Skip to content

Instantly share code, notes, and snippets.

@Jaid

Jaid/README.md

Last active June 19, 2022 14:41
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save Jaid/c12f9eafa743f6662e876f6ecfcbcbec to your computer and use it in GitHub Desktop.
Save Jaid/c12f9eafa743f6662e876f6ecfcbcbec to your computer and use it in GitHub Desktop.
Download ZIP
FFMpeg help output
Raw
buildConf.txt
configuration:
--pkg-config=pkgconf
--cc='ccache gcc'
--cxx='ccache g++'
--ld='ccache g++'
--disable-autodetect
--enable-amf
--enable-bzlib
--enable-cuda
--enable-cuvid
--enable-d3d11va
--enable-dxva2
--enable-iconv
--enable-lzma
--enable-nvenc
--enable-zlib
--enable-sdl2
--enable-ffnvcodec
--enable-nvdec
--enable-cuda-llvm
--enable-libmp3lame
--enable-libopus
--enable-libvorbis
--enable-libvpx
--enable-libx264
--enable-libx265
--enable-libdav1d
--enable-libaom
--disable-debug
--enable-libfdk-aac
--enable-fontconfig
--enable-libass
--enable-libbluray
--enable-libfreetype
--enable-libmfx
--enable-libmysofa
--enable-libopencore-amrnb
--enable-libopencore-amrwb
--enable-libopenjpeg
--enable-libsnappy
--enable-libsoxr
--enable-libspeex
--enable-libtheora
--enable-libtwolame
--enable-libvidstab
--enable-libvo-amrwbenc
--enable-libwebp
--enable-libxml2
--enable-libzimg
--enable-libshine
--enable-gpl
--enable-avisynth
--enable-libxvid
--enable-libopenmpt
--enable-version3
--enable-librav1e
--enable-libsrt
--enable-libgsm
--enable-libvmaf
--enable-libsvtav1
--enable-chromaprint
--enable-frei0r
--enable-libbs2b
--enable-libcaca
--enable-libcdio
--enable-libflite
--enable-libfribidi
--enable-libgme
--enable-libilbc
--enable-libsvthevc
--enable-libsvtvp9
--enable-libkvazaar
--enable-libmodplug
--enable-librist
--enable-librtmp
--enable-librubberband
--enable-libtesseract
--enable-libxavs
--enable-libzmq
--enable-libzvbi
--enable-openal
--enable-libcodec2
--enable-ladspa
--enable-libglslang
--enable-vulkan
--enable-libdavs2
--enable-libxavs2
--enable-libuavs3d
--enable-libplacebo
--enable-libjxl
--enable-opencl
--enable-opengl
--enable-libopenh264
--enable-openssl
--extra-cflags=-DLIBTWOLAME_STATIC
--extra-libs=-lstdc++
--extra-cflags=-DCACA_STATIC
--extra-cflags=-DMODPLUG_STATIC
--extra-cflags=-DCHROMAPRINT_NODLL
--extra-libs=-lstdc++
--extra-cflags=-DZMQ_STATIC
--extra-libs=-lpsapi
--extra-cflags=-DLIBXML_STATIC
--extra-libs=-liconv
--disable-w32threads
--extra-cflags=-DKVZ_STATIC_LIB
--enable-nonfree
--extra-cflags=-DAL_LIBTYPE_STATIC
--extra-cflags='-IP:/Others/media-autobuild/local64/include'
--extra-cflags='-IP:/Others/media-autobuild/local64/include/AL'
Raw
codecs.txt
Codecs:
D..... = Decoding supported
.E.... = Encoding supported
..V... = Video codec
..A... = Audio codec
..S... = Subtitle codec
..D... = Data codec
..T... = Attachment codec
...I.. = Intra frame-only codec
....L. = Lossy compression
.....S = Lossless compression
-------
D.VI.S 012v Uncompressed 4:2:2 10-bit
D.V.L. 4xm 4X Movie
D.VI.S 8bps QuickTime 8BPS video
.EVIL. a64_multi Multicolor charset for Commodore 64 (encoders: a64multi )
.EVIL. a64_multi5 Multicolor charset for Commodore 64, extended with 5th color (colram) (encoders: a64multi5 )
D.V..S aasc Autodesk RLE
D.V.L. agm Amuse Graphics Movie
D.VIL. aic Apple Intermediate Codec
DEVI.S alias_pix Alias/Wavefront PIX image
DEVIL. amv AMV Video
D.V.L. anm Deluxe Paint Animation
D.V.L. ansi ASCII/ANSI art
DEV..S apng APNG (Animated Portable Network Graphics) image
D.V.L. arbc Gryphon's Anim Compressor
D.V.L. argo Argonaut Games Video
DEVIL. asv1 ASUS V1
DEVIL. asv2 ASUS V2
D.VIL. aura Auravision AURA
D.VIL. aura2 Auravision Aura 2
DEV.L. av1 Alliance for Open Media AV1 (decoders: libdav1d libaom-av1 av1 av1_cuvid av1_qsv ) (encoders: libaom-av1 librav1e libsvtav1 )
D.V... avrn Avid AVI Codec
DEVI.S avrp Avid 1:1 10-bit RGB Packer
D.V.L. avs AVS (Audio Video Standard) video
DEV.L. avs2 AVS2-P2/IEEE1857.4 (decoders: libdavs2 ) (encoders: libxavs2 )
D.V.L. avs3 AVS3-P2/IEEE1857.10 (decoders: libuavs3d )
DEVI.S avui Avid Meridien Uncompressed
DEVI.S ayuv Uncompressed packed MS 4:4:4:4
D.V.L. bethsoftvid Bethesda VID video
D.V.L. bfi Brute Force & Ignorance
D.V.L. binkvideo Bink video
D.VI.. bintext Binary text
DEVI.S bitpacked Bitpacked
DEVI.S bmp BMP (Windows and OS/2 bitmap)
D.V..S bmv_video Discworld II BMV video
D.VI.S brender_pix BRender PIX image
D.V.L. c93 Interplay C93
DEV.L. cavs Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile) (encoders: libxavs )
D.V.L. cdgraphics CD Graphics video
D.V..S cdtoons CDToons video
D.VIL. cdxl Commodore CDXL video
DEV.L. cfhd GoPro CineForm HD
DEV.L. cinepak Cinepak
D.V.L. clearvideo Iterated Systems ClearVideo
DEVIL. cljr Cirrus Logic AccuPak
D.VI.S cllc Canopus Lossless Codec
D.V.L. cmv Electronic Arts CMV video (decoders: eacmv )
D.V... cpia CPiA video format
D.VILS cri Cintel RAW
D.V..S cscd CamStudio (decoders: camstudio )
D.VIL. cyuv Creative YUV (CYUV)
..V.LS daala Daala
D.VILS dds DirectDraw Surface image decoder
D.V.L. dfa Chronomaster DFA
DEV.LS dirac Dirac (encoders: vc2 )
DEVIL. dnxhd VC3/DNxHD
DEVI.S dpx DPX (Digital Picture Exchange) image
D.V.L. dsicinvideo Delphine Software International CIN video
DEVIL. dvvideo DV (Digital Video)
D.V..S dxa Feeble Files/ScummVM DXA
D.VI.S dxtory Dxtory
D.VIL. dxv Resolume DXV
D.V.L. escape124 Escape 124
D.V.L. escape130 Escape 130
DEVILS exr OpenEXR image
DEV..S ffv1 FFmpeg video codec #1
DEVI.S ffvhuff Huffyuv FFmpeg variant
D.V.L. fic Mirillis FIC
DEVI.S fits FITS (Flexible Image Transport System)
DEV..S flashsv Flash Screen Video v1
DEV.L. flashsv2 Flash Screen Video v2
D.V..S flic Autodesk Animator Flic video
DEV.L. flv1 FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (decoders: flv ) (encoders: flv )
D.V..S fmvc FM Screen Capture Codec
D.VI.S fraps Fraps
D.VI.S frwu Forward Uncompressed
D.V.L. g2m Go2Meeting
D.V.L. gdv Gremlin Digital Video
D.V.L. gem GEM Raster image
DEV..S gif CompuServe GIF (Graphics Interchange Format)
DEV.L. h261 H.261
DEV.L. h263 H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2
D.V.L. h263i Intel H.263
DEV.L. h263p H.263+ / H.263-1998 / H.263 version 2
DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_qsv libopenh264 h264_cuvid ) (encoders: libx264 libx264rgb libopenh264 h264_amf h264_nvenc h264_qsv )
DEVIL. hap Vidvox Hap
DEV.L. hevc H.265 / HEVC (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc_cuvid ) (encoders: libx265 libsvt_hevc hevc_amf hevc_nvenc hevc_qsv libkvazaar )
D.V.L. hnm4video HNM 4 video
D.VIL. hq_hqa Canopus HQ/HQA
D.VIL. hqx Canopus HQX
DEVI.S huffyuv HuffYUV
D.VI.S hymt HuffYUV MT
D.V.L. idcin id Quake II CIN video (decoders: idcinvideo )
D.VI.. idf iCEDraw text
D.V.L. iff_ilbm IFF ACBM/ANIM/DEEP/ILBM/PBM/RGB8/RGBN (decoders: iff )
D.V.L. imm4 Infinity IMM4
D.V.L. imm5 Infinity IMM5
D.V.L. indeo2 Intel Indeo 2
D.V.L. indeo3 Intel Indeo 3
D.V.L. indeo4 Intel Indeo Video Interactive 4
D.V.L. indeo5 Intel Indeo Video Interactive 5
D.V.L. interplayvideo Interplay MVE video
D.VIL. ipu IPU Video
DEVILS jpeg2000 JPEG 2000 (decoders: jpeg2000 libopenjpeg ) (encoders: jpeg2000 libopenjpeg )
DEVILS jpegls JPEG-LS
DEVILS jpegxl JPEG XL (decoders: libjxl ) (encoders: libjxl )
D.VIL. jv Bitmap Brothers JV video
D.V.L. kgv1 Kega Game Video
D.V.L. kmvc Karl Morton's video codec
D.VI.S lagarith Lagarith lossless
.EVI.S ljpeg Lossless JPEG
D.VI.S loco LOCO
D.V.L. lscr LEAD Screen Capture
D.VI.S m101 Matrox Uncompressed SD
D.V.L. mad Electronic Arts Madcow Video (decoders: eamad )
DEVI.S magicyuv MagicYUV video
D.VIL. mdec Sony PlayStation MDEC (Motion DECoder)
D.V.L. mimic Mimic
DEVIL. mjpeg Motion JPEG (decoders: mjpeg mjpeg_cuvid mjpeg_qsv ) (encoders: mjpeg mjpeg_qsv )
D.VIL. mjpegb Apple MJPEG-B
D.V.L. mmvideo American Laser Games MM Video
D.V.L. mobiclip MobiClip Video
D.V.L. motionpixels Motion Pixels video
DEV.L. mpeg1video MPEG-1 video (decoders: mpeg1video mpeg1_cuvid )
DEV.L. mpeg2video MPEG-2 video (decoders: mpeg2video mpegvideo mpeg2_qsv mpeg2_cuvid ) (encoders: mpeg2video mpeg2_qsv )
DEV.L. mpeg4 MPEG-4 part 2 (decoders: mpeg4 mpeg4_cuvid ) (encoders: mpeg4 libxvid )
D.V.L. msa1 MS ATC Screen
D.VI.S mscc Mandsoft Screen Capture Codec
D.V.L. msmpeg4v1 MPEG-4 part 2 Microsoft variant version 1
DEV.L. msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2
DEV.L. msmpeg4v3 MPEG-4 part 2 Microsoft variant version 3 (decoders: msmpeg4 ) (encoders: msmpeg4 )
D.VI.S msp2 Microsoft Paint (MSP) version 2
D.V..S msrle Microsoft RLE
D.V.L. mss1 MS Screen 1
D.VIL. mss2 MS Windows Media Video V9 Screen
DEV.L. msvideo1 Microsoft Video 1
D.VI.S mszh LCL (LossLess Codec Library) MSZH
D.V.L. mts2 MS Expression Encoder Screen
D.V.L. mv30 MidiVid 3.0
D.VIL. mvc1 Silicon Graphics Motion Video Compressor 1
D.VIL. mvc2 Silicon Graphics Motion Video Compressor 2
D.V.L. mvdv MidiVid VQ
D.VIL. mvha MidiVid Archive Codec
D.V..S mwsc MatchWare Screen Capture Codec
D.V.L. mxpeg Mobotix MxPEG video
D.VIL. notchlc NotchLC
D.V.L. nuv NuppelVideo/RTJPEG
D.V.L. paf_video Amazing Studio Packed Animation File Video
DEVI.S pam PAM (Portable AnyMap) image
DEVI.S pbm PBM (Portable BitMap) image
DEVI.S pcx PC Paintbrush PCX image
DEVI.S pfm PFM (Portable FloatMap) image
DEVI.S pgm PGM (Portable GrayMap) image
DEVI.S pgmyuv PGMYUV (Portable GrayMap YUV) image
D.VI.S pgx PGX (JPEG2000 Test Format)
D.V.L. photocd Kodak Photo CD
D.VIL. pictor Pictor/PC Paint
D.VIL. pixlet Apple Pixlet
DEV..S png PNG (Portable Network Graphics) image
DEVI.S ppm PPM (Portable PixelMap) image
DEVIL. prores Apple ProRes (iCodec Pro) (encoders: prores prores_aw prores_ks )
D.VIL. prosumer Brooktree ProSumer Video
D.VI.S psd Photoshop PSD file
D.VIL. ptx V.Flash PTX image
D.VI.S qdraw Apple QuickDraw
DEVI.S qoi QOI (Quite OK Image)
D.V.L. qpeg Q-team QPEG
DEV..S qtrle QuickTime Animation (RLE) video
DEVI.S r10k AJA Kona 10-bit RGB Codec
DEVI.S r210 Uncompressed RGB 10-bit
D.V.L. rasc RemotelyAnywhere Screen Capture
DEVI.S rawvideo raw video
D.VIL. rl2 RL2 video
DEV.L. roq id RoQ video (decoders: roqvideo ) (encoders: roqvideo )
DEV.L. rpza QuickTime video (RPZA)
D.V..S rscc innoHeim/Rsupport Screen Capture Codec
DEV.L. rv10 RealVideo 1.0
DEV.L. rv20 RealVideo 2.0
D.V.L. rv30 RealVideo 3.0
D.V.L. rv40 RealVideo 4.0
D.V.L. sanm LucasArts SANM/SMUSH video
D.V.LS scpr ScreenPressor
D.V..S screenpresso Screenpresso
D.V.L. sga Digital Pictures SGA Video
DEVI.S sgi SGI image
D.VI.S sgirle SGI RLE 8-bit
D.VI.S sheervideo BitJazz SheerVideo
D.V.L. simbiosis_imx Simbiosis Interactive IMX Video
D.V.L. smackvideo Smacker video (decoders: smackvid )
DEV.L. smc QuickTime Graphics (SMC)
D.VIL. smvjpeg Sigmatel Motion Video
DEV.LS snow Snow
D.VIL. sp5x Sunplus JPEG (SP5X)
DEVIL. speedhq NewTek SpeedHQ
D.VI.S srgc Screen Recorder Gold Codec
DEVI.S sunrast Sun Rasterfile image
..V..S svg Scalable Vector Graphics
DEV.L. svq1 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
D.V.L. svq3 Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3
DEVI.S targa Truevision Targa image
D.VI.S targa_y216 Pinnacle TARGA CineWave YUV16
D.V.L. tdsc TDSC
D.V.L. tgq Electronic Arts TGQ video (decoders: eatgq )
D.V.L. tgv Electronic Arts TGV video (decoders: eatgv )
DEV.L. theora Theora (encoders: libtheora )
D.VIL. thp Nintendo Gamecube THP video
D.V.L. tiertexseqvideo Tiertex Limited SEQ video
DEVI.S tiff TIFF image
D.VIL. tmv 8088flex TMV
D.V.L. tqi Electronic Arts TQI video (decoders: eatqi )
D.V.L. truemotion1 Duck TrueMotion 1.0
D.V.L. truemotion2 Duck TrueMotion 2.0
D.VIL. truemotion2rt Duck TrueMotion 2.0 Real Time
D.V..S tscc TechSmith Screen Capture Codec (decoders: camtasia )
D.V.L. tscc2 TechSmith Screen Codec 2
D.VIL. txd Renderware TXD (TeXture Dictionary) image
D.V.L. ulti IBM UltiMotion (decoders: ultimotion )
DEVI.S utvideo Ut Video
DEVI.S v210 Uncompressed 4:2:2 10-bit
D.VI.S v210x Uncompressed 4:2:2 10-bit
DEVI.S v308 Uncompressed packed 4:4:4
DEVI.S v408 Uncompressed packed QT 4:4:4:4
DEVI.S v410 Uncompressed 4:4:4 10-bit
D.V.L. vb Beam Software VB
D.VI.S vble VBLE Lossless Codec
DEV.L. vbn Vizrt Binary Image
D.V.L. vc1 SMPTE VC-1 (decoders: vc1 vc1_qsv vc1_cuvid )
D.V.L. vc1image Windows Media Video 9 Image v2
D.VIL. vcr1 ATI VCR1
D.VIL. vixl Miro VideoXL (decoders: xl )
D.V.L. vmdvideo Sierra VMD video
D.V..S vmnc VMware Screen Codec / VMware Video
D.V.L. vp3 On2 VP3
D.V.L. vp4 On2 VP4
D.V.L. vp5 On2 VP5
D.V.L. vp6 On2 VP6
D.V.L. vp6a On2 VP6 (Flash version, with alpha channel)
D.V.L. vp6f On2 VP6 (Flash version)
D.V.L. vp7 On2 VP7
DEV.L. vp8 On2 VP8 (decoders: vp8 libvpx vp8_cuvid vp8_qsv ) (encoders: libvpx )
DEV.L. vp9 Google VP9 (decoders: vp9 libvpx-vp9 vp9_cuvid vp9_qsv ) (encoders: libvpx-vp9 libsvt_vp9 vp9_qsv )
..V.L. vvc H.266 / VVC (Versatile Video Coding)
D.V..S wcmv WinCAM Motion Video
DEVILS webp WebP (encoders: libwebp_anim libwebp )
DEV.L. wmv1 Windows Media Video 7
DEV.L. wmv2 Windows Media Video 8
D.V.L. wmv3 Windows Media Video 9
D.V.L. wmv3image Windows Media Video 9 Image
D.VIL. wnv1 Winnov WNV1
DEV..S wrapped_avframe AVFrame to AVPacket passthrough
D.V.L. ws_vqa Westwood Studios VQA (Vector Quantized Animation) video (decoders: vqavideo )
D.V.L. xan_wc3 Wing Commander III / Xan
D.V.L. xan_wc4 Wing Commander IV / Xxan
D.VI.. xbin eXtended BINary text
DEVI.S xbm XBM (X BitMap) image
DEVIL. xface X-face image
D.VI.S xpm XPM (X PixMap) image
DEVI.S xwd XWD (X Window Dump) image
DEVI.S y41p Uncompressed YUV 4:1:1 12-bit
D.VI.S ylc YUY2 Lossless Codec
D.V.L. yop Psygnosis YOP Video
DEVI.S yuv4 Uncompressed packed 4:2:0
D.V..S zerocodec ZeroCodec Lossless Video
DEVI.S zlib LCL (LossLess Codec Library) ZLIB
DEV..S zmbv Zip Motion Blocks Video
..AIL. 4gv 4GV (Fourth Generation Vocoder)
D.AIL. 8svx_exp 8SVX exponential
D.AIL. 8svx_fib 8SVX fibonacci
DEAIL. aac AAC (Advanced Audio Coding) (decoders: aac aac_fixed libfdk_aac ) (encoders: aac libfdk_aac )
D.AIL. aac_latm AAC LATM (Advanced Audio Coding LATM syntax)
DEAIL. ac3 ATSC A/52A (AC-3) (decoders: ac3 ac3_fixed ) (encoders: ac3 ac3_fixed )
D.AIL. acelp.kelvin Sipro ACELP.KELVIN
D.AIL. adpcm_4xm ADPCM 4X Movie
DEAIL. adpcm_adx SEGA CRI ADX ADPCM
D.AIL. adpcm_afc ADPCM Nintendo Gamecube AFC
D.AIL. adpcm_agm ADPCM AmuseGraphics Movie AGM
D.AIL. adpcm_aica ADPCM Yamaha AICA
DEAIL. adpcm_argo ADPCM Argonaut Games
D.AIL. adpcm_ct ADPCM Creative Technology
D.AIL. adpcm_dtk ADPCM Nintendo Gamecube DTK
D.AIL. adpcm_ea ADPCM Electronic Arts
D.AIL. adpcm_ea_maxis_xa ADPCM Electronic Arts Maxis CDROM XA
D.AIL. adpcm_ea_r1 ADPCM Electronic Arts R1
D.AIL. adpcm_ea_r2 ADPCM Electronic Arts R2
D.AIL. adpcm_ea_r3 ADPCM Electronic Arts R3
D.AIL. adpcm_ea_xas ADPCM Electronic Arts XAS
DEAIL. adpcm_g722 G.722 ADPCM (decoders: g722 ) (encoders: g722 )
DEAIL. adpcm_g726 G.726 ADPCM (decoders: g726 ) (encoders: g726 )
DEAIL. adpcm_g726le G.726 ADPCM little-endian (decoders: g726le ) (encoders: g726le )
D.AIL. adpcm_ima_acorn ADPCM IMA Acorn Replay
DEAIL. adpcm_ima_alp ADPCM IMA High Voltage Software ALP
DEAIL. adpcm_ima_amv ADPCM IMA AMV
D.AIL. adpcm_ima_apc ADPCM IMA CRYO APC
DEAIL. adpcm_ima_apm ADPCM IMA Ubisoft APM
D.AIL. adpcm_ima_cunning ADPCM IMA Cunning Developments
D.AIL. adpcm_ima_dat4 ADPCM IMA Eurocom DAT4
D.AIL. adpcm_ima_dk3 ADPCM IMA Duck DK3
D.AIL. adpcm_ima_dk4 ADPCM IMA Duck DK4
D.AIL. adpcm_ima_ea_eacs ADPCM IMA Electronic Arts EACS
D.AIL. adpcm_ima_ea_sead ADPCM IMA Electronic Arts SEAD
D.AIL. adpcm_ima_iss ADPCM IMA Funcom ISS
D.AIL. adpcm_ima_moflex ADPCM IMA MobiClip MOFLEX
D.AIL. adpcm_ima_mtf ADPCM IMA Capcom's MT Framework
D.AIL. adpcm_ima_oki ADPCM IMA Dialogic OKI
DEAIL. adpcm_ima_qt ADPCM IMA QuickTime
D.AIL. adpcm_ima_rad ADPCM IMA Radical
D.AIL. adpcm_ima_smjpeg ADPCM IMA Loki SDL MJPEG
DEAIL. adpcm_ima_ssi ADPCM IMA Simon & Schuster Interactive
DEAIL. adpcm_ima_wav ADPCM IMA WAV
DEAIL. adpcm_ima_ws ADPCM IMA Westwood
DEAIL. adpcm_ms ADPCM Microsoft
D.AIL. adpcm_mtaf ADPCM MTAF
D.AIL. adpcm_psx ADPCM Playstation
D.AIL. adpcm_sbpro_2 ADPCM Sound Blaster Pro 2-bit
D.AIL. adpcm_sbpro_3 ADPCM Sound Blaster Pro 2.6-bit
D.AIL. adpcm_sbpro_4 ADPCM Sound Blaster Pro 4-bit
DEAIL. adpcm_swf ADPCM Shockwave Flash
D.AIL. adpcm_thp ADPCM Nintendo THP
D.AIL. adpcm_thp_le ADPCM Nintendo THP (Little-Endian)
D.AIL. adpcm_vima LucasArts VIMA audio
D.AIL. adpcm_xa ADPCM CDROM XA
DEAIL. adpcm_yamaha ADPCM Yamaha
D.AIL. adpcm_zork ADPCM Zork
DEAI.S alac ALAC (Apple Lossless Audio Codec)
DEAIL. amr_nb AMR-NB (Adaptive Multi-Rate NarrowBand) (decoders: amrnb libopencore_amrnb ) (encoders: libopencore_amrnb )
DEAIL. amr_wb AMR-WB (Adaptive Multi-Rate WideBand) (decoders: amrwb libopencore_amrwb ) (encoders: libvo_amrwbenc )
D.AI.S ape Monkey's Audio
DEAIL. aptx aptX (Audio Processing Technology for Bluetooth)
DEAIL. aptx_hd aptX HD (Audio Processing Technology for Bluetooth)
D.AIL. atrac1 ATRAC1 (Adaptive TRansform Acoustic Coding)
D.AIL. atrac3 ATRAC3 (Adaptive TRansform Acoustic Coding 3)
D.AI.S atrac3al ATRAC3 AL (Adaptive TRansform Acoustic Coding 3 Advanced Lossless)
D.AIL. atrac3p ATRAC3+ (Adaptive TRansform Acoustic Coding 3+) (decoders: atrac3plus )
D.AI.S atrac3pal ATRAC3+ AL (Adaptive TRansform Acoustic Coding 3+ Advanced Lossless) (decoders: atrac3plusal )
D.AIL. atrac9 ATRAC9 (Adaptive TRansform Acoustic Coding 9)
D.AIL. avc On2 Audio for Video Codec (decoders: on2avc )
D.AIL. binkaudio_dct Bink Audio (DCT)
D.AIL. binkaudio_rdft Bink Audio (RDFT)
D.AIL. bmv_audio Discworld II BMV audio
..AIL. celt Constrained Energy Lapped Transform (CELT)
DEAIL. codec2 codec2 (very low bitrate speech codec) (decoders: libcodec2 ) (encoders: libcodec2 )
DEAIL. comfortnoise RFC 3389 Comfort Noise
D.AIL. cook Cook / Cooker / Gecko (RealAudio G2)
D.AIL. derf_dpcm DPCM Xilam DERF
DEA.L. dfpwm DFPWM (Dynamic Filter Pulse Width Modulation)
D.AIL. dolby_e Dolby E
D.AIL. dsd_lsbf DSD (Direct Stream Digital), least significant bit first
D.AIL. dsd_lsbf_planar DSD (Direct Stream Digital), least significant bit first, planar
D.AIL. dsd_msbf DSD (Direct Stream Digital), most significant bit first
D.AIL. dsd_msbf_planar DSD (Direct Stream Digital), most significant bit first, planar
D.AIL. dsicinaudio Delphine Software International CIN audio
D.AIL. dss_sp Digital Speech Standard - Standard Play mode (DSS SP)
D.AI.S dst DST (Direct Stream Transfer)
DEAILS dts DCA (DTS Coherent Acoustics) (decoders: dca ) (encoders: dca )
D.AIL. dvaudio DV audio
DEAIL. eac3 ATSC A/52B (AC-3, E-AC-3)
D.AIL. evrc EVRC (Enhanced Variable Rate Codec)
D.AIL. fastaudio MobiClip FastAudio
DEAI.S flac FLAC (Free Lossless Audio Codec)
DEAIL. g723_1 G.723.1
D.AIL. g729 G.729
D.AIL. gremlin_dpcm DPCM Gremlin
DEAIL. gsm GSM (decoders: gsm libgsm ) (encoders: libgsm )
DEAIL. gsm_ms GSM Microsoft variant (decoders: gsm_ms libgsm_ms ) (encoders: libgsm_ms )
D.AIL. hca CRI HCA
D.AIL. hcom HCOM Audio
D.AIL. iac IAC (Indeo Audio Coder)
DEAIL. ilbc iLBC (Internet Low Bitrate Codec) (decoders: ilbc libilbc ) (encoders: libilbc )
D.AIL. imc IMC (Intel Music Coder)
D.AIL. interplay_dpcm DPCM Interplay
D.AIL. interplayacm Interplay ACM
D.AIL. mace3 MACE (Macintosh Audio Compression/Expansion) 3:1
D.AIL. mace6 MACE (Macintosh Audio Compression/Expansion) 6:1
D.AIL. metasound Voxware MetaSound
DEA..S mlp MLP (Meridian Lossless Packing)
D.AIL. mp1 MP1 (MPEG audio layer 1) (decoders: mp1 mp1float )
DEAIL. mp2 MP2 (MPEG audio layer 2) (decoders: mp2 mp2float ) (encoders: mp2 mp2fixed libtwolame )
DEAIL. mp3 MP3 (MPEG audio layer 3) (decoders: mp3float mp3 ) (encoders: libmp3lame libshine )
D.AIL. mp3adu ADU (Application Data Unit) MP3 (MPEG audio layer 3) (decoders: mp3adufloat mp3adu )
D.AIL. mp3on4 MP3onMP4 (decoders: mp3on4float mp3on4 )
D.AI.S mp4als MPEG-4 Audio Lossless Coding (ALS) (decoders: als )
..A.L. mpegh_3d_audio MPEG-H 3D Audio
D.AIL. msnsiren MSN Siren
D.AIL. musepack7 Musepack SV7 (decoders: mpc7 )
D.AIL. musepack8 Musepack SV8 (decoders: mpc8 )
DEAIL. nellymoser Nellymoser Asao
DEAIL. opus Opus (Opus Interactive Audio Codec) (decoders: opus libopus ) (encoders: opus libopus )
D.AIL. paf_audio Amazing Studio Packed Animation File Audio
DEAIL. pcm_alaw PCM A-law / G.711 A-law
DEAI.S pcm_bluray PCM signed 16|20|24-bit big-endian for Blu-ray media
DEAI.S pcm_dvd PCM signed 20|24-bit big-endian
D.AI.S pcm_f16le PCM 16.8 floating point little-endian
D.AI.S pcm_f24le PCM 24.0 floating point little-endian
DEAI.S pcm_f32be PCM 32-bit floating point big-endian
DEAI.S pcm_f32le PCM 32-bit floating point little-endian
DEAI.S pcm_f64be PCM 64-bit floating point big-endian
DEAI.S pcm_f64le PCM 64-bit floating point little-endian
D.AI.S pcm_lxf PCM signed 20-bit little-endian planar
DEAIL. pcm_mulaw PCM mu-law / G.711 mu-law
DEAI.S pcm_s16be PCM signed 16-bit big-endian
DEAI.S pcm_s16be_planar PCM signed 16-bit big-endian planar
DEAI.S pcm_s16le PCM signed 16-bit little-endian
DEAI.S pcm_s16le_planar PCM signed 16-bit little-endian planar
DEAI.S pcm_s24be PCM signed 24-bit big-endian
DEAI.S pcm_s24daud PCM D-Cinema audio signed 24-bit
DEAI.S pcm_s24le PCM signed 24-bit little-endian
DEAI.S pcm_s24le_planar PCM signed 24-bit little-endian planar
DEAI.S pcm_s32be PCM signed 32-bit big-endian
DEAI.S pcm_s32le PCM signed 32-bit little-endian
DEAI.S pcm_s32le_planar PCM signed 32-bit little-endian planar
DEAI.S pcm_s64be PCM signed 64-bit big-endian
DEAI.S pcm_s64le PCM signed 64-bit little-endian
DEAI.S pcm_s8 PCM signed 8-bit
DEAI.S pcm_s8_planar PCM signed 8-bit planar
D.AI.S pcm_sga PCM SGA
DEAI.S pcm_u16be PCM unsigned 16-bit big-endian
DEAI.S pcm_u16le PCM unsigned 16-bit little-endian
DEAI.S pcm_u24be PCM unsigned 24-bit big-endian
DEAI.S pcm_u24le PCM unsigned 24-bit little-endian
DEAI.S pcm_u32be PCM unsigned 32-bit big-endian
DEAI.S pcm_u32le PCM unsigned 32-bit little-endian
DEAI.S pcm_u8 PCM unsigned 8-bit
DEAIL. pcm_vidc PCM Archimedes VIDC
D.AIL. qcelp QCELP / PureVoice
D.AIL. qdm2 QDesign Music Codec 2
D.AIL. qdmc QDesign Music
DEAIL. ra_144 RealAudio 1.0 (14.4K) (decoders: real_144 ) (encoders: real_144 )
D.AIL. ra_288 RealAudio 2.0 (28.8K) (decoders: real_288 )
D.AI.S ralf RealAudio Lossless
DEAIL. roq_dpcm DPCM id RoQ
DEAI.S s302m SMPTE 302M
DEAIL. sbc SBC (low-complexity subband codec)
D.AIL. sdx2_dpcm DPCM Squareroot-Delta-Exact
D.AI.S shorten Shorten
D.AIL. sipr RealAudio SIPR / ACELP.NET
D.AIL. siren Siren
D.AIL. smackaudio Smacker audio (decoders: smackaud )
..AIL. smv SMV (Selectable Mode Vocoder)
D.AIL. sol_dpcm DPCM Sol
DEAI.. sonic Sonic
.EAI.. sonicls Sonic lossless
DEAIL. speex Speex (decoders: speex libspeex ) (encoders: libspeex )
D.A..S tak TAK (Tom's lossless Audio Kompressor)
DEA..S truehd TrueHD
D.AIL. truespeech DSP Group TrueSpeech
DEAI.S tta TTA (True Audio)
D.AIL. twinvq VQF TwinVQ
D.AIL. vmdaudio Sierra VMD audio
DEAIL. vorbis Vorbis (decoders: vorbis libvorbis ) (encoders: vorbis libvorbis )
D.AI.. wavesynth Wave synthesis pseudo-codec
DEAILS wavpack WavPack
D.AIL. westwood_snd1 Westwood Audio (SND1) (decoders: ws_snd1 )
D.AI.S wmalossless Windows Media Audio Lossless
D.AIL. wmapro Windows Media Audio 9 Professional
DEAIL. wmav1 Windows Media Audio 1
DEAIL. wmav2 Windows Media Audio 2
D.AIL. wmavoice Windows Media Audio Voice
D.AIL. xan_dpcm DPCM Xan
D.AIL. xma1 Xbox Media Audio 1
D.AIL. xma2 Xbox Media Audio 2
..D... bin_data binary data
..D... dvd_nav_packet DVD Nav packet
..D... epg Electronic Program Guide
..D... klv SMPTE 336M Key-Length-Value (KLV) metadata
..D... mpegts raw MPEG-TS stream
..D... otf OpenType font
..D... scte_35 SCTE 35 Message Queue
..D... timed_id3 timed ID3 metadata
..D... ttf TrueType font
..S... arib_caption ARIB STD-B24 caption
DES... ass ASS (Advanced SSA) subtitle (decoders: ssa ass ) (encoders: ssa ass )
DES... dvb_subtitle DVB subtitles (decoders: dvbsub ) (encoders: dvbsub )
D.S... dvb_teletext DVB teletext (decoders: libzvbi_teletextdec )
DES... dvd_subtitle DVD subtitles (decoders: dvdsub ) (encoders: dvdsub )
D.S... eia_608 EIA-608 closed captions (decoders: cc_dec )
D.S... hdmv_pgs_subtitle HDMV Presentation Graphic Stream subtitles (decoders: pgssub )
..S... hdmv_text_subtitle HDMV Text subtitle
D.S... jacosub JACOsub subtitle
D.S... microdvd MicroDVD subtitle
DES... mov_text MOV text
D.S... mpl2 MPL2 subtitle
D.S... pjs PJS (Phoenix Japanimation Society) subtitle
D.S... realtext RealText subtitle
D.S... sami SAMI subtitle
..S... srt SubRip subtitle with embedded timing
..S... ssa SSA (SubStation Alpha) subtitle
D.S... stl Spruce subtitle format
DES... subrip SubRip subtitle (decoders: srt subrip ) (encoders: srt subrip )
D.S... subviewer SubViewer subtitle
D.S... subviewer1 SubViewer v1 subtitle
DES... text raw UTF-8 text
.ES... ttml Timed Text Markup Language
D.S... vplayer VPlayer subtitle
DES... webvtt WebVTT subtitle
DES... xsub XSUB
Raw
decoders.txt
Decoders:
V..... = Video
A..... = Audio
S..... = Subtitle
.F.... = Frame-level multithreading
..S... = Slice-level multithreading
...X.. = Codec is experimental
....B. = Supports draw_horiz_band
.....D = Supports direct rendering method 1
------
V....D 012v Uncompressed 4:2:2 10-bit
V....D 4xm 4X Movie
V....D 8bps QuickTime 8BPS video
V....D aasc Autodesk RLE
V....D agm Amuse Graphics Movie
VF...D aic Apple Intermediate Codec
V....D alias_pix Alias/Wavefront PIX image
V....D amv AMV Video
V....D anm Deluxe Paint Animation
V....D ansi ASCII/ANSI art
VF...D apng APNG (Animated Portable Network Graphics) image
V....D arbc Gryphon's Anim Compressor
V....D argo Argonaut Games Video
V....D asv1 ASUS V1
V....D asv2 ASUS V2
V....D aura Auravision AURA
V....D aura2 Auravision Aura 2
V..... libdav1d dav1d AV1 decoder by VideoLAN (codec av1)
V....D libaom-av1 libaom AV1 (codec av1)
V....D av1 Alliance for Open Media AV1
V..... av1_cuvid Nvidia CUVID AV1 decoder (codec av1)
V....D av1_qsv AV1 video (Intel Quick Sync Video acceleration) (codec av1)
V....D avrn Avid AVI Codec
V....D avrp Avid 1:1 10-bit RGB Packer
V....D avs AVS (Audio Video Standard) video
V..... libdavs2 libdavs2 AVS2-P2/IEEE1857.4 (codec avs2)
V....D libuavs3d libuavs3d AVS3-P2/IEEE1857.10 (codec avs3)
V....D avui Avid Meridien Uncompressed
V....D ayuv Uncompressed packed MS 4:4:4:4
V....D bethsoftvid Bethesda VID video
V....D bfi Brute Force & Ignorance
V....D binkvideo Bink video
V....D bintext Binary text
VF.... bitpacked Bitpacked
V....D bmp BMP (Windows and OS/2 bitmap)
V....D bmv_video Discworld II BMV video
V....D brender_pix BRender PIX image
V....D c93 Interplay C93
V....D cavs Chinese AVS (Audio Video Standard) (AVS1-P2, JiZhun profile)
V....D cdgraphics CD Graphics video
V....D cdtoons CDToons video
V....D cdxl Commodore CDXL video
VF...D cfhd GoPro CineForm HD
V....D cinepak Cinepak
V....D clearvideo Iterated Systems ClearVideo
V....D cljr Cirrus Logic AccuPak
VF...D cllc Canopus Lossless Codec
V....D eacmv Electronic Arts CMV video (codec cmv)
V....D cpia CPiA video format
VF...D cri Cintel RAW
V....D camstudio CamStudio (codec cscd)
V....D cyuv Creative YUV (CYUV)
V.S..D dds DirectDraw Surface image decoder
V....D dfa Chronomaster DFA
V.S..D dirac BBC Dirac VC-2
VFS..D dnxhd VC3/DNxHD
V....D dpx DPX (Digital Picture Exchange) image
V....D dsicinvideo Delphine Software International CIN video
VFS..D dvvideo DV (Digital Video)
V....D dxa Feeble Files/ScummVM DXA
VF...D dxtory Dxtory
VFS..D dxv Resolume DXV
V....D escape124 Escape 124
V....D escape130 Escape 130
VFS..D exr OpenEXR image
VFS..D ffv1 FFmpeg video codec #1
VF..BD ffvhuff Huffyuv FFmpeg variant
V.S..D fic Mirillis FIC
V....D fits Flexible Image Transport System
V....D flashsv Flash Screen Video v1
V....D flashsv2 Flash Screen Video v2
V....D flic Autodesk Animator Flic video
V...BD flv FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)
V....D fmvc FM Screen Capture Codec
VF...D fraps Fraps
V....D frwu Forward Uncompressed
V....D g2m Go2Meeting
V....D gdv Gremlin Digital Video
V....D gem GEM Raster image
V....D gif GIF (Graphics Interchange Format)
V....D h261 H.261
V...BD h263 H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2
V...BD h263i Intel H.263
V...BD h263p H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2
VFS..D h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
V....D h264_qsv H264 video (Intel Quick Sync Video acceleration) (codec h264)
V....D libopenh264 OpenH264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
V..... h264_cuvid Nvidia CUVID H264 decoder (codec h264)
VFS..D hap Vidvox Hap
VFS..D hevc HEVC (High Efficiency Video Coding)
V....D hevc_qsv HEVC video (Intel Quick Sync Video acceleration) (codec hevc)
V..... hevc_cuvid Nvidia CUVID HEVC decoder (codec hevc)
V....D hnm4video HNM 4 video
V....D hq_hqa Canopus HQ/HQA
VFS..D hqx Canopus HQX
VF..BD huffyuv Huffyuv / HuffYUV
VF..BD hymt HuffYUV MT
V....D idcinvideo id Quake II CIN video (codec idcin)
V....D idf iCEDraw text
V....D iff IFF ACBM/ANIM/DEEP/ILBM/PBM/RGB8/RGBN (codec iff_ilbm)
V....D imm4 Infinity IMM4
V..... imm5 Infinity IMM5
V....D indeo2 Intel Indeo 2
V....D indeo3 Intel Indeo 3
V....D indeo4 Intel Indeo Video Interactive 4
V....D indeo5 Intel Indeo Video Interactive 5
V....D interplayvideo Interplay MVE video
V....D ipu IPU Video
VFS..D jpeg2000 JPEG 2000
VF...D libopenjpeg OpenJPEG JPEG 2000 (codec jpeg2000)
V....D jpegls JPEG-LS
V....D libjxl libjxl JPEG XL (codec jpegxl)
V....D jv Bitmap Brothers JV video
V....D kgv1 Kega Game Video
V....D kmvc Karl Morton's video codec
VF...D lagarith Lagarith lossless
V....D loco LOCO
V....D lscr LEAD Screen Capture
V....D m101 Matrox Uncompressed SD
V....D eamad Electronic Arts Madcow Video (codec mad)
VFS..D magicyuv MagicYUV video
VF...D mdec Sony PlayStation MDEC (Motion DECoder)
VF...D mimic Mimic
V....D mjpeg MJPEG (Motion JPEG)
V..... mjpeg_cuvid Nvidia CUVID MJPEG decoder (codec mjpeg)
V....D mjpeg_qsv MJPEG video (Intel Quick Sync Video acceleration) (codec mjpeg)
V....D mjpegb Apple MJPEG-B
V....D mmvideo American Laser Games MM Video
V....D mobiclip MobiClip Video
V....D motionpixels Motion Pixels video
V.S.BD mpeg1video MPEG-1 video
V..... mpeg1_cuvid Nvidia CUVID MPEG1VIDEO decoder (codec mpeg1video)
V.S.BD mpeg2video MPEG-2 video
V.S.BD mpegvideo MPEG-1 video (codec mpeg2video)
V....D mpeg2_qsv MPEG2VIDEO video (Intel Quick Sync Video acceleration) (codec mpeg2video)
V..... mpeg2_cuvid Nvidia CUVID MPEG2VIDEO decoder (codec mpeg2video)
VF..BD mpeg4 MPEG-4 part 2
V..... mpeg4_cuvid Nvidia CUVID MPEG4 decoder (codec mpeg4)
V....D msa1 MS ATC Screen
V....D mscc Mandsoft Screen Capture Codec
V...BD msmpeg4v1 MPEG-4 part 2 Microsoft variant version 1
V...BD msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2
V...BD msmpeg4 MPEG-4 part 2 Microsoft variant version 3 (codec msmpeg4v3)
V....D msp2 Microsoft Paint (MSP) version 2
V....D msrle Microsoft RLE
V....D mss1 MS Screen 1
V....D mss2 MS Windows Media Video V9 Screen
V....D msvideo1 Microsoft Video 1
VF...D mszh LCL (LossLess Codec Library) MSZH
V....D mts2 MS Expression Encoder Screen
V....D mv30 MidiVid 3.0
V....D mvc1 Silicon Graphics Motion Video Compressor 1
V....D mvc2 Silicon Graphics Motion Video Compressor 2
V....D mvdv MidiVid VQ
V....D mvha MidiVid Archive Codec
V....D mwsc MatchWare Screen Capture Codec
V....D mxpeg Mobotix MxPEG video
VF...D notchlc NotchLC
V....D nuv NuppelVideo/RTJPEG
V....D paf_video Amazing Studio Packed Animation File Video
V....D pam PAM (Portable AnyMap) image
V....D pbm PBM (Portable BitMap) image
V....D pcx PC Paintbrush PCX image
V....D pfm PFM (Portable FloatMap) image
V....D pgm PGM (Portable GrayMap) image
V....D pgmyuv PGMYUV (Portable GrayMap YUV) image
V....D pgx PGX (JPEG2000 Test Format)
VF...D photocd Kodak Photo CD
V....D pictor Pictor/PC Paint
VF...D pixlet Apple Pixlet
VF...D png PNG (Portable Network Graphics) image
V....D ppm PPM (Portable PixelMap) image
VFS..D prores Apple ProRes (iCodec Pro)
V....D prosumer Brooktree ProSumer Video
VF...D psd Photoshop PSD file
V....D ptx V.Flash PTX image
V....D qdraw Apple QuickDraw
VF...D qoi QOI (Quite OK Image format) image
V....D qpeg Q-team QPEG
V....D qtrle QuickTime Animation (RLE) video
V....D r10k AJA Kona 10-bit RGB Codec
V....D r210 Uncompressed RGB 10-bit
V....D rasc RemotelyAnywhere Screen Capture
V..... rawvideo raw video
V....D rl2 RL2 video
V....D roqvideo id RoQ video (codec roq)
V....D rpza QuickTime video (RPZA)
V....D rscc innoHeim/Rsupport Screen Capture Codec
V....D rv10 RealVideo 1.0
V....D rv20 RealVideo 2.0
VF...D rv30 RealVideo 3.0
VF...D rv40 RealVideo 4.0
V....D sanm LucasArts SANM/Smush video
V....D scpr ScreenPressor
V....D screenpresso Screenpresso
V....D sga Digital Pictures SGA Video
V....D sgi SGI image
V....D sgirle Silicon Graphics RLE 8-bit video
VF...D sheervideo BitJazz SheerVideo
V....D simbiosis_imx Simbiosis Interactive IMX Video
V....D smackvid Smacker video (codec smackvideo)
V....D smc QuickTime Graphics (SMC)
V....D smvjpeg SMV JPEG
V....D snow Snow
V....D sp5x Sunplus JPEG (SP5X)
V....D speedhq NewTek SpeedHQ
V....D srgc Screen Recorder Gold Codec
V....D sunrast Sun Rasterfile image
V....D svq1 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
V...BD svq3 Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3
V....D targa Truevision Targa image
V....D targa_y216 Pinnacle TARGA CineWave YUV16
V....D tdsc TDSC
V....D eatgq Electronic Arts TGQ video (codec tgq)
V....D eatgv Electronic Arts TGV video (codec tgv)
VF..BD theora Theora
V....D thp Nintendo Gamecube THP video
V....D tiertexseqvideo Tiertex Limited SEQ video
VF...D tiff TIFF image
V....D tmv 8088flex TMV
V....D eatqi Electronic Arts TQI Video (codec tqi)
V....D truemotion1 Duck TrueMotion 1.0
V....D truemotion2 Duck TrueMotion 2.0
V....D truemotion2rt Duck TrueMotion 2.0 Real Time
V....D camtasia TechSmith Screen Capture Codec (codec tscc)
V....D tscc2 TechSmith Screen Codec 2
V....D txd Renderware TXD (TeXture Dictionary) image
V....D ultimotion IBM UltiMotion (codec ulti)
VF...D utvideo Ut Video
VFS..D v210 Uncompressed 4:2:2 10-bit
V....D v210x Uncompressed 4:2:2 10-bit
V....D v308 Uncompressed packed 4:4:4
V....D v408 Uncompressed packed QT 4:4:4:4
VFS..D v410 Uncompressed 4:4:4 10-bit
V....D vb Beam Software VB
VF...D vble VBLE Lossless Codec
V.S..D vbn Vizrt Binary Image
V....D vc1 SMPTE VC-1
V....D vc1_qsv VC1 video (Intel Quick Sync Video acceleration) (codec vc1)
V..... vc1_cuvid Nvidia CUVID VC1 decoder (codec vc1)
V....D vc1image Windows Media Video 9 Image v2
V....D vcr1 ATI VCR1
V....D xl Miro VideoXL (codec vixl)
V....D vmdvideo Sierra VMD video
V....D vmnc VMware Screen Codec / VMware Video
VF..BD vp3 On2 VP3
VF..BD vp4 On2 VP4
V....D vp5 On2 VP5
V....D vp6 On2 VP6
V.S..D vp6a On2 VP6 (Flash version, with alpha channel)
V....D vp6f On2 VP6 (Flash version)
V....D vp7 On2 VP7
VFS..D vp8 On2 VP8
V....D libvpx libvpx VP8 (codec vp8)
V..... vp8_cuvid Nvidia CUVID VP8 decoder (codec vp8)
V....D vp8_qsv VP8 video (Intel Quick Sync Video acceleration) (codec vp8)
VFS..D vp9 Google VP9
V..... libvpx-vp9 libvpx VP9 (codec vp9)
V..... vp9_cuvid Nvidia CUVID VP9 decoder (codec vp9)
V....D vp9_qsv VP9 video (Intel Quick Sync Video acceleration) (codec vp9)
V....D wcmv WinCAM Motion Video
VF...D webp WebP image
V...BD wmv1 Windows Media Video 7
V...BD wmv2 Windows Media Video 8
V....D wmv3 Windows Media Video 9
V....D wmv3image Windows Media Video 9 Image
V....D wnv1 Winnov WNV1
V..... wrapped_avframe AVPacket to AVFrame passthrough
V....D vqavideo Westwood Studios VQA (Vector Quantized Animation) video (codec ws_vqa)
V....D xan_wc3 Wing Commander III / Xan
V....D xan_wc4 Wing Commander IV / Xxan
V....D xbin eXtended BINary text
V....D xbm XBM (X BitMap) image
V....D xface X-face image
V....D xpm XPM (X PixMap) image
V....D xwd XWD (X Window Dump) image
V....D y41p Uncompressed YUV 4:1:1 12-bit
VF...D ylc YUY2 Lossless Codec
V..... yop Psygnosis YOP Video
V....D yuv4 Uncompressed packed 4:2:0
V....D zerocodec ZeroCodec Lossless Video
VF...D zlib LCL (LossLess Codec Library) ZLIB
V....D zmbv Zip Motion Blocks Video
A....D 8svx_exp 8SVX exponential
A....D 8svx_fib 8SVX fibonacci
A....D aac AAC (Advanced Audio Coding)
A....D aac_fixed AAC (Advanced Audio Coding) (codec aac)
A....D libfdk_aac Fraunhofer FDK AAC (codec aac)
A....D aac_latm AAC LATM (Advanced Audio Coding LATM syntax)
A....D ac3 ATSC A/52A (AC-3)
A....D ac3_fixed ATSC A/52A (AC-3) (codec ac3)
A....D acelp.kelvin Sipro ACELP.KELVIN
A....D adpcm_4xm ADPCM 4X Movie
A....D adpcm_adx SEGA CRI ADX ADPCM
A....D adpcm_afc ADPCM Nintendo Gamecube AFC
A....D adpcm_agm ADPCM AmuseGraphics Movie
A....D adpcm_aica ADPCM Yamaha AICA
A....D adpcm_argo ADPCM Argonaut Games
A....D adpcm_ct ADPCM Creative Technology
A....D adpcm_dtk ADPCM Nintendo Gamecube DTK
A....D adpcm_ea ADPCM Electronic Arts
A....D adpcm_ea_maxis_xa ADPCM Electronic Arts Maxis CDROM XA
A....D adpcm_ea_r1 ADPCM Electronic Arts R1
A....D adpcm_ea_r2 ADPCM Electronic Arts R2
A....D adpcm_ea_r3 ADPCM Electronic Arts R3
A....D adpcm_ea_xas ADPCM Electronic Arts XAS
A....D g722 G.722 ADPCM (codec adpcm_g722)
A....D g726 G.726 ADPCM (codec adpcm_g726)
A....D g726le G.726 ADPCM little-endian (codec adpcm_g726le)
A....D adpcm_ima_acorn ADPCM IMA Acorn Replay
A....D adpcm_ima_alp ADPCM IMA High Voltage Software ALP
A....D adpcm_ima_amv ADPCM IMA AMV
A....D adpcm_ima_apc ADPCM IMA CRYO APC
A....D adpcm_ima_apm ADPCM IMA Ubisoft APM
A....D adpcm_ima_cunning ADPCM IMA Cunning Developments
A....D adpcm_ima_dat4 ADPCM IMA Eurocom DAT4
A....D adpcm_ima_dk3 ADPCM IMA Duck DK3
A....D adpcm_ima_dk4 ADPCM IMA Duck DK4
A....D adpcm_ima_ea_eacs ADPCM IMA Electronic Arts EACS
A....D adpcm_ima_ea_sead ADPCM IMA Electronic Arts SEAD
A....D adpcm_ima_iss ADPCM IMA Funcom ISS
A....D adpcm_ima_moflex ADPCM IMA MobiClip MOFLEX
A....D adpcm_ima_mtf ADPCM IMA Capcom's MT Framework
A....D adpcm_ima_oki ADPCM IMA Dialogic OKI
A....D adpcm_ima_qt ADPCM IMA QuickTime
A....D adpcm_ima_rad ADPCM IMA Radical
A....D adpcm_ima_smjpeg ADPCM IMA Loki SDL MJPEG
A....D adpcm_ima_ssi ADPCM IMA Simon & Schuster Interactive
A....D adpcm_ima_wav ADPCM IMA WAV
A....D adpcm_ima_ws ADPCM IMA Westwood
A....D adpcm_ms ADPCM Microsoft
A....D adpcm_mtaf ADPCM MTAF
A....D adpcm_psx ADPCM Playstation
A....D adpcm_sbpro_2 ADPCM Sound Blaster Pro 2-bit
A....D adpcm_sbpro_3 ADPCM Sound Blaster Pro 2.6-bit
A....D adpcm_sbpro_4 ADPCM Sound Blaster Pro 4-bit
A....D adpcm_swf ADPCM Shockwave Flash
A....D adpcm_thp ADPCM Nintendo THP
A....D adpcm_thp_le ADPCM Nintendo THP (little-endian)
A....D adpcm_vima LucasArts VIMA audio
A....D adpcm_xa ADPCM CDROM XA
A....D adpcm_yamaha ADPCM Yamaha
A....D adpcm_zork ADPCM Zork
AF...D alac ALAC (Apple Lossless Audio Codec)
A....D amrnb AMR-NB (Adaptive Multi-Rate NarrowBand) (codec amr_nb)
A....D libopencore_amrnb OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)
A....D amrwb AMR-WB (Adaptive Multi-Rate WideBand) (codec amr_wb)
A....D libopencore_amrwb OpenCORE AMR-WB (Adaptive Multi-Rate Wide-Band) (codec amr_wb)
A....D ape Monkey's Audio
A....D aptx aptX (Audio Processing Technology for Bluetooth)
A....D aptx_hd aptX HD (Audio Processing Technology for Bluetooth)
A....D atrac1 ATRAC1 (Adaptive TRansform Acoustic Coding)
A....D atrac3 ATRAC3 (Adaptive TRansform Acoustic Coding 3)
A....D atrac3al ATRAC3 AL (Adaptive TRansform Acoustic Coding 3 Advanced Lossless)
A....D atrac3plus ATRAC3+ (Adaptive TRansform Acoustic Coding 3+) (codec atrac3p)
A....D atrac3plusal ATRAC3+ AL (Adaptive TRansform Acoustic Coding 3+ Advanced Lossless) (codec atrac3pal)
A....D atrac9 ATRAC9 (Adaptive TRansform Acoustic Coding 9)
A....D on2avc On2 Audio for Video Codec (codec avc)
A....D binkaudio_dct Bink Audio (DCT)
A....D binkaudio_rdft Bink Audio (RDFT)
A....D bmv_audio Discworld II BMV audio
A..... libcodec2 codec2 decoder using libcodec2 (codec codec2)
A....D comfortnoise RFC 3389 comfort noise generator
A....D cook Cook / Cooker / Gecko (RealAudio G2)
A....D derf_dpcm DPCM Xilam DERF
A....D dfpwm DFPWM1a audio
A....D dolby_e Dolby E
A.S..D dsd_lsbf DSD (Direct Stream Digital), least significant bit first
A.S..D dsd_lsbf_planar DSD (Direct Stream Digital), least significant bit first, planar
A.S..D dsd_msbf DSD (Direct Stream Digital), most significant bit first
A.S..D dsd_msbf_planar DSD (Direct Stream Digital), most significant bit first, planar
A....D dsicinaudio Delphine Software International CIN audio
A....D dss_sp Digital Speech Standard - Standard Play mode (DSS SP)
A....D dst DST (Digital Stream Transfer)
A....D dca DCA (DTS Coherent Acoustics) (codec dts)
A....D dvaudio Ulead DV Audio
A....D eac3 ATSC A/52B (AC-3, E-AC-3)
A....D evrc EVRC (Enhanced Variable Rate Codec)
A....D fastaudio MobiClip FastAudio
AF...D flac FLAC (Free Lossless Audio Codec)
A....D g723_1 G.723.1
A....D g729 G.729
A....D gremlin_dpcm DPCM Gremlin
A....D gsm GSM
A....D libgsm libgsm GSM (codec gsm)
A....D gsm_ms GSM Microsoft variant
A....D libgsm_ms libgsm GSM Microsoft variant (codec gsm_ms)
A....D hca CRI HCA
A....D hcom HCOM Audio
A....D iac IAC (Indeo Audio Coder)
A....D ilbc iLBC (Internet Low Bitrate Codec)
A....D libilbc iLBC (Internet Low Bitrate Codec) (codec ilbc)
A....D imc IMC (Intel Music Coder)
A....D interplay_dpcm DPCM Interplay
A....D interplayacm Interplay ACM
A....D mace3 MACE (Macintosh Audio Compression/Expansion) 3:1
A....D mace6 MACE (Macintosh Audio Compression/Expansion) 6:1
A....D metasound Voxware MetaSound
A....D mlp MLP (Meridian Lossless Packing)
A....D mp1 MP1 (MPEG audio layer 1)
A....D mp1float MP1 (MPEG audio layer 1) (codec mp1)
A....D mp2 MP2 (MPEG audio layer 2)
A....D mp2float MP2 (MPEG audio layer 2) (codec mp2)
A....D mp3float MP3 (MPEG audio layer 3) (codec mp3)
A....D mp3 MP3 (MPEG audio layer 3)
A....D mp3adufloat ADU (Application Data Unit) MP3 (MPEG audio layer 3) (codec mp3adu)
A....D mp3adu ADU (Application Data Unit) MP3 (MPEG audio layer 3)
A....D mp3on4float MP3onMP4 (codec mp3on4)
A....D mp3on4 MP3onMP4
A....D als MPEG-4 Audio Lossless Coding (ALS) (codec mp4als)
A....D msnsiren MSN Siren
A....D mpc7 Musepack SV7 (codec musepack7)
A....D mpc8 Musepack SV8 (codec musepack8)
A....D nellymoser Nellymoser Asao
A....D opus Opus
A....D libopus libopus Opus (codec opus)
A....D paf_audio Amazing Studio Packed Animation File Audio
A....D pcm_alaw PCM A-law / G.711 A-law
A....D pcm_bluray PCM signed 16|20|24-bit big-endian for Blu-ray media
A....D pcm_dvd PCM signed 16|20|24-bit big-endian for DVD media
A....D pcm_f16le PCM 16.8 floating point little-endian
A....D pcm_f24le PCM 24.0 floating point little-endian
A....D pcm_f32be PCM 32-bit floating point big-endian
A....D pcm_f32le PCM 32-bit floating point little-endian
A....D pcm_f64be PCM 64-bit floating point big-endian
A....D pcm_f64le PCM 64-bit floating point little-endian
A....D pcm_lxf PCM signed 20-bit little-endian planar
A....D pcm_mulaw PCM mu-law / G.711 mu-law
A....D pcm_s16be PCM signed 16-bit big-endian
A....D pcm_s16be_planar PCM signed 16-bit big-endian planar
A....D pcm_s16le PCM signed 16-bit little-endian
A....D pcm_s16le_planar PCM signed 16-bit little-endian planar
A....D pcm_s24be PCM signed 24-bit big-endian
A....D pcm_s24daud PCM D-Cinema audio signed 24-bit
A....D pcm_s24le PCM signed 24-bit little-endian
A....D pcm_s24le_planar PCM signed 24-bit little-endian planar
A....D pcm_s32be PCM signed 32-bit big-endian
A....D pcm_s32le PCM signed 32-bit little-endian
A....D pcm_s32le_planar PCM signed 32-bit little-endian planar
A....D pcm_s64be PCM signed 64-bit big-endian
A....D pcm_s64le PCM signed 64-bit little-endian
A....D pcm_s8 PCM signed 8-bit
A....D pcm_s8_planar PCM signed 8-bit planar
A....D pcm_sga PCM SGA
A....D pcm_u16be PCM unsigned 16-bit big-endian
A....D pcm_u16le PCM unsigned 16-bit little-endian
A....D pcm_u24be PCM unsigned 24-bit big-endian
A....D pcm_u24le PCM unsigned 24-bit little-endian
A....D pcm_u32be PCM unsigned 32-bit big-endian
A....D pcm_u32le PCM unsigned 32-bit little-endian
A....D pcm_u8 PCM unsigned 8-bit
A....D pcm_vidc PCM Archimedes VIDC
A....D qcelp QCELP / PureVoice
A....D qdm2 QDesign Music Codec 2
A....D qdmc QDesign Music Codec 1
A....D real_144 RealAudio 1.0 (14.4K) (codec ra_144)
A....D real_288 RealAudio 2.0 (28.8K) (codec ra_288)
A....D ralf RealAudio Lossless
A....D roq_dpcm DPCM id RoQ
A....D s302m SMPTE 302M
A....D sbc SBC (low-complexity subband codec)
A....D sdx2_dpcm DPCM Squareroot-Delta-Exact
A....D shorten Shorten
A....D sipr RealAudio SIPR / ACELP.NET
A....D siren Siren
A....D smackaud Smacker audio (codec smackaudio)
A....D sol_dpcm DPCM Sol
A..X.D sonic Sonic
A....D speex Speex
A....D libspeex libspeex Speex (codec speex)
AF...D tak TAK (Tom's lossless Audio Kompressor)
A....D truehd TrueHD
A....D truespeech DSP Group TrueSpeech
AF...D tta TTA (True Audio)
A....D twinvq VQF TwinVQ
A....D vmdaudio Sierra VMD audio
A....D vorbis Vorbis
A..... libvorbis libvorbis (codec vorbis)
A....D wavesynth Wave synthesis pseudo-codec
AFS..D wavpack WavPack
A....D ws_snd1 Westwood Audio (SND1) (codec westwood_snd1)
A....D wmalossless Windows Media Audio Lossless
A....D wmapro Windows Media Audio 9 Professional
A....D wmav1 Windows Media Audio 1
A....D wmav2 Windows Media Audio 2
A....D wmavoice Windows Media Audio Voice
A....D xan_dpcm DPCM Xan
A....D xma1 Xbox Media Audio 1
A....D xma2 Xbox Media Audio 2
S..... ssa ASS (Advanced SubStation Alpha) subtitle (codec ass)
S..... ass ASS (Advanced SubStation Alpha) subtitle
S..... dvbsub DVB subtitles (codec dvb_subtitle)
S..... libzvbi_teletextdec Libzvbi DVB teletext decoder (codec dvb_teletext)
S..... dvdsub DVD subtitles (codec dvd_subtitle)
S..... cc_dec Closed Caption (EIA-608 / CEA-708) (codec eia_608)
S..... pgssub HDMV Presentation Graphic Stream subtitles (codec hdmv_pgs_subtitle)
S..... jacosub JACOsub subtitle
S..... microdvd MicroDVD subtitle
S..... mov_text 3GPP Timed Text subtitle
S..... mpl2 MPL2 subtitle
S..... pjs PJS subtitle
S..... realtext RealText subtitle
S..... sami SAMI subtitle
S..... stl Spruce subtitle format
S..... srt SubRip subtitle (codec subrip)
S..... subrip SubRip subtitle
S..... subviewer SubViewer subtitle
S..... subviewer1 SubViewer1 subtitle
S..... text Raw text subtitle
S..... vplayer VPlayer subtitle
S..... webvtt WebVTT subtitle
S..... xsub XSUB
Raw
encoders.txt
Encoders:
V..... = Video
A..... = Audio
S..... = Subtitle
.F.... = Frame-level multithreading
..S... = Slice-level multithreading
...X.. = Codec is experimental
....B. = Supports draw_horiz_band
.....D = Supports direct rendering method 1
------
V....D a64multi Multicolor charset for Commodore 64 (codec a64_multi)
V....D a64multi5 Multicolor charset for Commodore 64, extended with 5th color (colram) (codec a64_multi5)
V..... alias_pix Alias/Wavefront PIX image
V..... amv AMV Video
V....D apng APNG (Animated Portable Network Graphics) image
V..... asv1 ASUS V1
V..... asv2 ASUS V2
V....D libaom-av1 libaom AV1 (codec av1)
V....D librav1e librav1e AV1 (codec av1)
V..... libsvtav1 SVT-AV1(Scalable Video Technology for AV1) encoder (codec av1)
V....D avrp Avid 1:1 10-bit RGB Packer
V....D libxavs2 libxavs2 AVS2-P2/IEEE1857.4 (codec avs2)
V..X.D avui Avid Meridien Uncompressed
V....D ayuv Uncompressed packed MS 4:4:4:4
VF...D bitpacked Bitpacked
V....D bmp BMP (Windows and OS/2 bitmap)
V....D libxavs libxavs Chinese AVS (Audio Video Standard) (codec cavs)
VF.... cfhd GoPro CineForm HD
V..... cinepak Cinepak
V....D cljr Cirrus Logic AccuPak
V.S..D vc2 SMPTE VC-2 (codec dirac)
VFS..D dnxhd VC3/DNxHD
V....D dpx DPX (Digital Picture Exchange) image
VFS..D dvvideo DV (Digital Video)
VF...D exr OpenEXR image
V.S... ffv1 FFmpeg video codec #1
VF.... ffvhuff Huffyuv FFmpeg variant
V....D fits Flexible Image Transport System
V..... flashsv Flash Screen Video
V..... flashsv2 Flash Screen Video Version 2
V..... flv FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)
V..... gif GIF (Graphics Interchange Format)
V..... h261 H.261
V..... h263 H.263 / H.263-1996
V.S... h263p H.263+ / H.263-1998 / H.263 version 2
V....D libx264 libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
V....D libx264rgb libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB (codec h264)
V....D libopenh264 OpenH264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
V....D h264_amf AMD AMF H.264 Encoder (codec h264)
V....D h264_nvenc NVIDIA NVENC H.264 encoder (codec h264)
V..... h264_qsv H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264)
V.S... hap Vidvox Hap
V....D libx265 libx265 H.265 / HEVC (codec hevc)
V..... libsvt_hevc SVT-HEVC(Scalable Video Technology for HEVC) encoder (codec hevc)
V....D hevc_amf AMD AMF HEVC encoder (codec hevc)
V....D hevc_nvenc NVIDIA NVENC hevc encoder (codec hevc)
V..... hevc_qsv HEVC (Intel Quick Sync Video acceleration) (codec hevc)
V....D libkvazaar libkvazaar H.265 / HEVC (codec hevc)
VF.... huffyuv Huffyuv / HuffYUV
V..... jpeg2000 JPEG 2000
VF.... libopenjpeg OpenJPEG JPEG 2000 (codec jpeg2000)
VF...D jpegls JPEG-LS
V..... libjxl libjxl JPEG XL (codec jpegxl)
VF.... ljpeg Lossless JPEG
VF.... magicyuv MagicYUV video
VFS... mjpeg MJPEG (Motion JPEG)
V..... mjpeg_qsv MJPEG (Intel Quick Sync Video acceleration) (codec mjpeg)
V.S... mpeg1video MPEG-1 video
V.S... mpeg2video MPEG-2 video
V..... mpeg2_qsv MPEG-2 video (Intel Quick Sync Video acceleration) (codec mpeg2video)
V.S... mpeg4 MPEG-4 part 2
V..... libxvid libxvidcore MPEG-4 part 2 (codec mpeg4)
V..... msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2
V..... msmpeg4 MPEG-4 part 2 Microsoft variant version 3 (codec msmpeg4v3)
V..... msvideo1 Microsoft Video-1
V....D pam PAM (Portable AnyMap) image
V....D pbm PBM (Portable BitMap) image
V..... pcx PC Paintbrush PCX image
V....D pfm PFM (Portable FloatMap) image
V....D pgm PGM (Portable GrayMap) image
V....D pgmyuv PGMYUV (Portable GrayMap YUV) image
VF.... png PNG (Portable Network Graphics) image
V....D ppm PPM (Portable PixelMap) image
VF.... prores Apple ProRes
VF.... prores_aw Apple ProRes (codec prores)
VFS... prores_ks Apple ProRes (iCodec Pro) (codec prores)
VF.... qoi QOI (Quite OK Image format) image
V..... qtrle QuickTime Animation (RLE) video
V....D r10k AJA Kona 10-bit RGB Codec
V....D r210 Uncompressed RGB 10-bit
VF...D rawvideo raw video
V..... roqvideo id RoQ video (codec roq)
V..... rpza QuickTime video (RPZA)
V..... rv10 RealVideo 1.0
V..... rv20 RealVideo 2.0
V..... sgi SGI image
V..... smc QuickTime Graphics (SMC)
V..... snow Snow
V..... speedhq NewTek SpeedHQ
V..... sunrast Sun Rasterfile image
V..... svq1 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
V..... targa Truevision Targa image
V....D libtheora libtheora Theora (codec theora)
VF.... tiff TIFF image
VF.... utvideo Ut Video
VF...D v210 Uncompressed 4:2:2 10-bit
V....D v308 Uncompressed packed 4:4:4
V....D v408 Uncompressed packed QT 4:4:4:4
V....D v410 Uncompressed 4:4:4 10-bit
V.S..D vbn Vizrt Binary Image
V....D libvpx libvpx VP8 (codec vp8)
V....D libvpx-vp9 libvpx VP9 (codec vp9)
V..... libsvt_vp9 SVT-VP9(Scalable Video Technology for VP9) encoder (codec vp9)
V..... vp9_qsv VP9 video (Intel Quick Sync Video acceleration) (codec vp9)
V....D libwebp_anim libwebp WebP image (codec webp)
V....D libwebp libwebp WebP image (codec webp)
V..... wmv1 Windows Media Video 7
V..... wmv2 Windows Media Video 8
V..... wrapped_avframe AVFrame to AVPacket passthrough
V..... xbm XBM (X BitMap) image
V....D xface X-face image
V....D xwd XWD (X Window Dump) image
V....D y41p Uncompressed YUV 4:1:1 12-bit
V....D yuv4 Uncompressed packed 4:2:0
VF.... zlib LCL (LossLess Codec Library) ZLIB
V....D zmbv Zip Motion Blocks Video
A..... aac AAC (Advanced Audio Coding)
A..... libfdk_aac Fraunhofer FDK AAC (codec aac)
A....D ac3 ATSC A/52A (AC-3)
A....D ac3_fixed ATSC A/52A (AC-3) (codec ac3)
A....D adpcm_adx SEGA CRI ADX ADPCM
A....D adpcm_argo ADPCM Argonaut Games
A....D g722 G.722 ADPCM (codec adpcm_g722)
A....D g726 G.726 ADPCM (codec adpcm_g726)
A....D g726le G.726 little endian ADPCM ("right-justified") (codec adpcm_g726le)
A....D adpcm_ima_alp ADPCM IMA High Voltage Software ALP
A....D adpcm_ima_amv ADPCM IMA AMV
A....D adpcm_ima_apm ADPCM IMA Ubisoft APM
A....D adpcm_ima_qt ADPCM IMA QuickTime
A....D adpcm_ima_ssi ADPCM IMA Simon & Schuster Interactive
A....D adpcm_ima_wav ADPCM IMA WAV
A....D adpcm_ima_ws ADPCM IMA Westwood
A....D adpcm_ms ADPCM Microsoft
A....D adpcm_swf ADPCM Shockwave Flash
A....D adpcm_yamaha ADPCM Yamaha
A..... alac ALAC (Apple Lossless Audio Codec)
A..... libopencore_amrnb OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)
A..... libvo_amrwbenc Android VisualOn AMR-WB (Adaptive Multi-Rate Wide-Band) (codec amr_wb)
A....D aptx aptX (Audio Processing Technology for Bluetooth)
A....D aptx_hd aptX HD (Audio Processing Technology for Bluetooth)
A....D libcodec2 codec2 encoder using libcodec2 (codec codec2)
A....D comfortnoise RFC 3389 comfort noise generator
A....D dfpwm DFPWM1a audio
A..X.D dca DCA (DTS Coherent Acoustics) (codec dts)
A....D eac3 ATSC A/52 E-AC-3
A....D flac FLAC (Free Lossless Audio Codec)
A....D g723_1 G.723.1
A....D libgsm libgsm GSM (codec gsm)
A....D libgsm_ms libgsm GSM Microsoft variant (codec gsm_ms)
A..... libilbc iLBC (Internet Low Bitrate Codec) (codec ilbc)
A..X.. mlp MLP (Meridian Lossless Packing)
A..... mp2 MP2 (MPEG audio layer 2)
A..... mp2fixed MP2 fixed point (MPEG audio layer 2) (codec mp2)
A..... libtwolame libtwolame MP2 (MPEG audio layer 2) (codec mp2)
A....D libmp3lame libmp3lame MP3 (MPEG audio layer 3) (codec mp3)
A....D libshine libshine MP3 (MPEG audio layer 3) (codec mp3)
A....D nellymoser Nellymoser Asao
A..X.. opus Opus
A..... libopus libopus Opus (codec opus)
A....D pcm_alaw PCM A-law / G.711 A-law
A....D pcm_bluray PCM signed 16|20|24-bit big-endian for Blu-ray media
A....D pcm_dvd PCM signed 16|20|24-bit big-endian for DVD media
A....D pcm_f32be PCM 32-bit floating point big-endian
A....D pcm_f32le PCM 32-bit floating point little-endian
A....D pcm_f64be PCM 64-bit floating point big-endian
A....D pcm_f64le PCM 64-bit floating point little-endian
A....D pcm_mulaw PCM mu-law / G.711 mu-law
A....D pcm_s16be PCM signed 16-bit big-endian
A....D pcm_s16be_planar PCM signed 16-bit big-endian planar
A....D pcm_s16le PCM signed 16-bit little-endian
A....D pcm_s16le_planar PCM signed 16-bit little-endian planar
A....D pcm_s24be PCM signed 24-bit big-endian
A....D pcm_s24daud PCM D-Cinema audio signed 24-bit
A....D pcm_s24le PCM signed 24-bit little-endian
A....D pcm_s24le_planar PCM signed 24-bit little-endian planar
A....D pcm_s32be PCM signed 32-bit big-endian
A....D pcm_s32le PCM signed 32-bit little-endian
A....D pcm_s32le_planar PCM signed 32-bit little-endian planar
A....D pcm_s64be PCM signed 64-bit big-endian
A....D pcm_s64le PCM signed 64-bit little-endian
A....D pcm_s8 PCM signed 8-bit
A....D pcm_s8_planar PCM signed 8-bit planar
A....D pcm_u16be PCM unsigned 16-bit big-endian
A....D pcm_u16le PCM unsigned 16-bit little-endian
A....D pcm_u24be PCM unsigned 24-bit big-endian
A....D pcm_u24le PCM unsigned 24-bit little-endian
A....D pcm_u32be PCM unsigned 32-bit big-endian
A....D pcm_u32le PCM unsigned 32-bit little-endian
A....D pcm_u8 PCM unsigned 8-bit
A....D pcm_vidc PCM Archimedes VIDC
A....D real_144 RealAudio 1.0 (14.4K) (codec ra_144)
A....D roq_dpcm id RoQ DPCM
A..X.D s302m SMPTE 302M
A....D sbc SBC (low-complexity subband codec)
A..X.. sonic Sonic
A..X.. sonicls Sonic lossless
A..... libspeex libspeex Speex (codec speex)
A..X.. truehd TrueHD
A..... tta TTA (True Audio)
A..X.. vorbis Vorbis
A....D libvorbis libvorbis (codec vorbis)
A..... wavpack WavPack
A..... wmav1 Windows Media Audio 1
A..... wmav2 Windows Media Audio 2
S..... ssa ASS (Advanced SubStation Alpha) subtitle (codec ass)
S..... ass ASS (Advanced SubStation Alpha) subtitle
S..... dvbsub DVB subtitles (codec dvb_subtitle)
S..... dvdsub DVD subtitles (codec dvd_subtitle)
S..... mov_text 3GPP Timed Text subtitle
S..... srt SubRip subtitle (codec subrip)
S..... subrip SubRip subtitle
S..... text Raw text subtitle
S..... ttml TTML subtitle
S..... webvtt WebVTT subtitle
S..... xsub DivX subtitles (XSUB)
Raw
filters.txt
Filters:
T.. = Timeline support
.S. = Slice threading
..C = Command support
A = Audio input/output
V = Video input/output
N = Dynamic number and/or type of input/output
| = Source or sink filter
... abench A->A Benchmark part of a filtergraph.
..C acompressor A->A Audio compressor.
... acontrast A->A Simple audio dynamic range compression/expansion filter.
... acopy A->A Copy the input audio unchanged to the output.
... acue A->A Delay filtering to match a cue.
... acrossfade AA->A Cross fade two input audio streams.
.S. acrossover A->N Split audio into per-bands streams.
T.C acrusher A->A Reduce audio bit resolution.
TS. adeclick A->A Remove impulsive noise from input audio.
TS. adeclip A->A Remove clipping from input audio.
TS. adecorrelate A->A Apply decorrelation to input audio.
T.C adelay A->A Delay one or more audio channels.
TSC adenorm A->A Remedy denormals by adding extremely low-level noise.
T.. aderivative A->A Compute derivative of input audio.
TSC adynamicequalizer A->A Apply Dynamic Equalization of input audio.
T.C adynamicsmooth A->A Apply Dynamic Smoothing of input audio.
... aecho A->A Add echoing to the audio.
TSC aemphasis A->A Audio emphasis.
T.. aeval A->A Filter audio signal according to a specified expression.
T.C aexciter A->A Enhance high frequency part of audio.
T.C afade A->A Fade in/out input audio.
TSC afftdn A->A Denoise audio samples using FFT.
TS. afftfilt A->A Apply arbitrary expressions to samples in frequency domain.
.SC afir N->N Apply Finite Impulse Response filter with supplied coefficients in additional stream(s).
... aformat A->A Convert the input audio to one of the specified formats.
TSC afreqshift A->A Apply frequency shifting to input audio.
TSC afwtdn A->A Denoise audio stream using Wavelets.
T.C agate A->A Audio gate.
.S. aiir A->N Apply Infinite Impulse Response filter with supplied coefficients.
T.. aintegral A->A Compute integral of input audio.
... ainterleave N->A Temporally interleave audio inputs.
T.. alatency A->A Report audio filtering latency.
T.C alimiter A->A Audio lookahead limiter.
TSC allpass A->A Apply a two-pole all-pass filter.
... aloop A->A Loop audio samples.
... amerge N->A Merge two or more audio streams into a single multi-channel stream.
T.. ametadata A->A Manipulate audio frame metadata.
..C amix N->A Audio mixing.
... amultiply AA->A Multiply two audio streams.
TSC anequalizer A->N Apply high-order audio parametric multi band equalizer.
TSC anlmdn A->A Reduce broadband noise from stream using Non-Local Means.
TSC anlmf AA->A Apply Normalized Least-Mean-Fourth algorithm to first audio stream.
TSC anlms AA->A Apply Normalized Least-Mean-Squares algorithm to first audio stream.
... anull A->A Pass the source unchanged to the output.
T.. apad A->A Pad audio with silence.
T.C aperms A->A Set permissions for the output audio frame.
... aphaser A->A Add a phasing effect to the audio.
TSC aphaseshift A->A Apply phase shifting to input audio.
TSC apsyclip A->A Audio Psychoacoustic Clipper.
... apulsator A->A Audio pulsator.
..C arealtime A->A Slow down filtering to match realtime.
... aresample A->A Resample audio data.
... areverse A->A Reverse an audio clip.
TSC arnndn A->A Reduce noise from speech using Recurrent Neural Networks.
... asdr AA->A Measure Audio Signal-to-Distortion Ratio.
... asegment A->N Segment audio stream.
... aselect A->N Select audio frames to pass in output.
... asendcmd A->A Send commands to filters.
... asetnsamples A->A Set the number of samples for each output audio frames.
... asetpts A->A Set PTS for the output audio frame.
... asetrate A->A Change the sample rate without altering the data.
... asettb A->A Set timebase for the audio output link.
... ashowinfo A->A Show textual information for each audio frame.
T.. asidedata A->A Manipulate audio frame side data.
TSC asoftclip A->A Audio Soft Clipper.
.S. aspectralstats A->A Show frequency domain statistics about audio frames.
... asplit A->N Pass on the audio input to N audio outputs.
.S. astats A->A Show time domain statistics about audio frames.
..C astreamselect N->N Select audio streams
TSC asubboost A->A Boost subwoofer frequencies.
TSC asubcut A->A Cut subwoofer frequencies.
TSC asupercut A->A Cut super frequencies.
TSC asuperpass A->A Apply high order Butterworth band-pass filter.
TSC asuperstop A->A Apply high order Butterworth band-stop filter.
..C atempo A->A Adjust audio tempo.
TSC atilt A->A Apply spectral tilt to audio.
... atrim A->A Pick one continuous section from the input, drop the rest.
... axcorrelate AA->A Cross-correlate two audio streams.
... azmq A->A Receive commands through ZMQ and broker them to filters.
TSC bandpass A->A Apply a two-pole Butterworth band-pass filter.
TSC bandreject A->A Apply a two-pole Butterworth band-reject filter.
TSC bass A->A Boost or cut lower frequencies.
TSC biquad A->A Apply a biquad IIR filter with the given coefficients.
... bs2b A->A Bauer stereo-to-binaural filter.
... channelmap A->A Remap audio channels.
... channelsplit A->N Split audio into per-channel streams.
... chorus A->A Add a chorus effect to the audio.
... compand A->A Compress or expand audio dynamic range.
T.C compensationdelay A->A Audio Compensation Delay Line.
T.C crossfeed A->A Apply headphone crossfeed filter.
TSC crystalizer A->A Simple audio noise sharpening filter.
T.. dcshift A->A Apply a DC shift to the audio.
T.. deesser A->A Apply de-essing to the audio.
T.C dialoguenhance A->A Audio Dialogue Enhancement.
... drmeter A->A Measure audio dynamic range.
T.C dynaudnorm A->A Dynamic Audio Normalizer.
... earwax A->A Widen the stereo image.
... ebur128 A->N EBU R128 scanner.
TSC equalizer A->A Apply two-pole peaking equalization (EQ) filter.
T.C extrastereo A->A Increase difference between stereo audio channels.
..C firequalizer A->A Finite Impulse Response Equalizer.
... flanger A->A Apply a flanging effect to the audio.
... haas A->A Apply Haas Stereo Enhancer.
... hdcd A->A Apply High Definition Compatible Digital (HDCD) decoding.
.S. headphone N->A Apply headphone binaural spatialization with HRTFs in additional streams.
TSC highpass A->A Apply a high-pass filter with 3dB point frequency.
TSC highshelf A->A Apply a high shelf filter.
... join N->A Join multiple audio streams into multi-channel output.
..C ladspa N->A Apply LADSPA effect.
... loudnorm A->A EBU R128 loudness normalization
TSC lowpass A->A Apply a low-pass filter with 3dB point frequency.
TSC lowshelf A->A Apply a low shelf filter.
... mcompand A->A Multiband Compress or expand audio dynamic range.
... pan A->A Remix channels with coefficients (panning).
... replaygain A->A ReplayGain scanner.
..C rubberband A->A Apply time-stretching and pitch-shifting.
..C sidechaincompress AA->A Sidechain compressor.
T.C sidechaingate AA->A Audio sidechain gate.
... silencedetect A->A Detect silence.
... silenceremove A->A Remove silence.
.S. sofalizer A->A SOFAlizer (Spatially Oriented Format for Acoustics).
T.C speechnorm A->A Speech Normalizer.
T.C stereotools A->A Apply various stereo tools.
T.C stereowiden A->A Apply stereo widening effect.
... superequalizer A->A Apply 18 band equalization filter.
.S. surround A->A Apply audio surround upmix filter.
TSC tiltshelf A->A Apply a tilt shelf filter.
TSC treble A->A Boost or cut upper frequencies.
T.. tremolo A->A Apply tremolo effect.
T.. vibrato A->A Apply vibrato effect.
T.C virtualbass A->A Audio Virtual Bass.
T.C volume A->A Change input volume.
... volumedetect A->A Detect audio volume.
... aevalsrc |->A Generate an audio signal generated by an expression.
... afirsrc |->A Generate a FIR coefficients audio stream.
... anoisesrc |->A Generate a noise audio signal.
... anullsrc |->A Null audio source, return empty audio frames.
... flite |->A Synthesize voice from text using libflite.
... hilbert |->A Generate a Hilbert transform FIR coefficients.
... sinc |->A Generate a sinc kaiser-windowed low-pass, high-pass, band-pass, or band-reject FIR coefficients.
... sine |->A Generate sine wave audio signal.
... anullsink A->| Do absolutely nothing with the input audio.
... addroi V->V Add region of interest to frame.
... alphaextract V->V Extract an alpha channel as a grayscale image component.
T.. alphamerge VV->V Copy the luma value of the second input into the alpha channel of the first input.
TSC amplify V->V Amplify changes between successive video frames.
... ass V->V Render ASS subtitles onto input video using the libass library.
TSC atadenoise V->V Apply an Adaptive Temporal Averaging Denoiser.
T.C avgblur V->V Apply Average Blur filter.
... avgblur_opencl V->V Apply average blur filter
... avgblur_vulkan V->V Apply avgblur mask to input video
T.C bbox V->V Compute bounding box for each frame.
... bench V->V Benchmark part of a filtergraph.
TSC bilateral V->V Apply Bilateral filter.
T.. bitplanenoise V->V Measure bit plane noise.
.S. blackdetect V->V Detect video intervals that are (almost) black.
... blackframe V->V Detect frames that are (almost) black.
TSC blend VV->V Blend two video frames into each other.
..C blend_vulkan VV->V Blend two video frames in Vulkan
... blockdetect V->V Blockdetect filter.
... blurdetect V->V Blurdetect filter.
TS. bm3d N->V Block-Matching 3D denoiser.
T.. boxblur V->V Blur the input.
... boxblur_opencl V->V Apply boxblur filter to input video
TS. bwdif V->V Deinterlace the input image.
TSC cas V->V Contrast Adaptive Sharpen.
... chromaber_vulkan V->V Offset chroma of input video (chromatic aberration)
TSC chromahold V->V Turns a certain color range into gray.
TSC chromakey V->V Turns a certain color into transparency. Operates on YUV colors.
TSC chromanr V->V Reduce chrominance noise.
TSC chromashift V->V Shift chroma.
... ciescope V->V Video CIE scope.
T.. codecview V->V Visualize information about some codecs.
TSC colorbalance V->V Adjust the color balance.
TSC colorchannelmixer V->V Adjust colors by mixing color channels.
TSC colorcontrast V->V Adjust color contrast between RGB components.
TSC colorcorrect V->V Adjust color white balance selectively for blacks and whites.
TSC colorize V->V Overlay a solid color on the video stream.
TSC colorkey V->V Turns a certain color into transparency. Operates on RGB colors.
... colorkey_opencl V->V Turns a certain color into transparency. Operates on RGB colors.
TSC colorhold V->V Turns a certain color range into gray. Operates on RGB colors.
TSC colorlevels V->V Adjust the color levels.
TSC colormap VVV->V Apply custom Color Maps to video stream.
TS. colormatrix V->V Convert color matrix.
TS. colorspace V->V Convert between colorspaces.
TSC colortemperature V->V Adjust color temperature of video.
TSC convolution V->V Apply convolution filter.
... convolution_opencl V->V Apply convolution mask to input video
TS. convolve VV->V Convolve first video stream with second video stream.
... copy V->V Copy the input video unchanged to the output.
... cover_rect V->V Find and cover a user specified object.
..C crop V->V Crop the input video.
T.. cropdetect V->V Auto-detect crop size.
... cue V->V Delay filtering to match a cue.
TSC curves V->V Adjust components curves.
.SC datascope V->V Video data analysis.
T.C dblur V->V Apply Directional Blur filter.
TS. dctdnoiz V->V Denoise frames using 2D DCT.
TSC deband V->V Debands video.
T.C deblock V->V Deblock video.
... decimate N->V Decimate frames (post field matching filter).
TS. deconvolve VV->V Deconvolve first video stream with second video stream.
TS. dedot V->V Reduce cross-luminance and cross-color.
TSC deflate V->V Apply deflate effect.
... deflicker V->V Remove temporal frame luminance variations.
... deinterlace_qsv V->V QuickSync video deinterlacing
... dejudder V->V Remove judder produced by pullup.
T.. delogo V->V Remove logo from input video.
T.. derain V->V Apply derain filter to the input.
... deshake V->V Stabilize shaky video.
... deshake_opencl V->V Feature-point based video stabilization filter
TSC despill V->V Despill video.
... detelecine V->V Apply an inverse telecine pattern.
TSC dilation V->V Apply dilation effect.
... dilation_opencl V->V Apply dilation effect
T.. displace VVV->V Displace pixels.
... dnn_classify V->V Apply DNN classify filter to the input.
... dnn_detect V->V Apply DNN detect filter to the input.
... dnn_processing V->V Apply DNN processing filter to the input.
.S. doubleweave V->V Weave input video fields into double number of frames.
T.C drawbox V->V Draw a colored box on the input video.
... drawgraph V->V Draw a graph using input video metadata.
T.C drawgrid V->V Draw a colored grid on the input video.
T.C drawtext V->V Draw text on top of video frames using libfreetype library.
T.. edgedetect V->V Detect and draw edge.
... elbg V->V Apply posterize effect, using the ELBG algorithm.
T.. entropy V->V Measure video frames entropy.
.S. epx V->V Scale the input using EPX algorithm.
T.C eq V->V Adjust brightness, contrast, gamma, and saturation.
TSC erosion V->V Apply erosion effect.
... erosion_opencl V->V Apply erosion effect
TSC estdif V->V Apply Edge Slope Tracing deinterlace.
TSC exposure V->V Adjust exposure of the video stream.
... extractplanes V->N Extract planes as grayscale frames.
TS. fade V->V Fade in/out input video.
..C feedback VV->VV Apply feedback video filter.
TSC fftdnoiz V->V Denoise frames using 3D FFT.
TS. fftfilt V->V Apply arbitrary expressions to pixels in frequency domain.
... field V->V Extract a field from the input video.
... fieldhint V->V Field matching using hints.
... fieldmatch N->V Field matching for inverse telecine.
T.. fieldorder V->V Set the field order.
T.C fillborders V->V Fill borders of the input video.
... find_rect V->V Find a user specified object.
... flip_vulkan V->V Flip both horizontally and vertically
T.. floodfill V->V Fill area with same color with another color.
... format V->V Convert the input video to one of the specified pixel formats.
... fps V->V Force constant framerate.
... framepack VV->V Generate a frame packed stereoscopic video.
.S. framerate V->V Upsamples or downsamples progressive source between specified frame rates.
T.. framestep V->V Select one frame every N frames.
... freezedetect V->V Detects frozen video input.
... freezeframes VV->V Freeze video frames.
T.C frei0r V->V Apply a frei0r effect.
T.. fspp V->V Apply Fast Simple Post-processing filter.
TSC gblur V->V Apply Gaussian Blur filter.
... gblur_vulkan V->V Gaussian Blur in Vulkan
TS. geq V->V Apply generic equation to each pixel.
T.. gradfun V->V Debands video quickly using gradients.
... graphmonitor V->V Show various filtergraph stats.
TS. grayworld V->V Adjust white balance using LAB gray world algorithm
TS. greyedge V->V Estimates scene illumination by grey edge assumption.
TSC guided N->V Apply Guided filter.
TSC haldclut VV->V Adjust colors using a Hald CLUT.
TS. hflip V->V Horizontally flip the input video.
... hflip_vulkan V->V Horizontally flip the input video in Vulkan
T.. histeq V->V Apply global color histogram equalization.
... histogram V->V Compute and draw a histogram.
TSC hqdn3d V->V Apply a High Quality 3D Denoiser.
.S. hqx V->V Scale the input by 2, 3 or 4 using the hq*x magnification algorithm.
.S. hstack N->V Stack video inputs horizontally.
TSC hsvhold V->V Turns a certain HSV range into gray.
TSC hsvkey V->V Turns a certain HSV range into transparency. Operates on YUV colors.
T.C hue V->V Adjust the hue and saturation of the input video.
TSC huesaturation V->V Apply hue-saturation-intensity adjustments.
... hwdownload V->V Download a hardware frame to a normal frame
... hwmap V->V Map hardware frames
... hwupload V->V Upload a normal frame to a hardware frame
... hwupload_cuda V->V Upload a system memory frame to a CUDA device.
T.. hysteresis VV->V Grow first stream into second stream by connecting components.
TS. identity VV->V Calculate the Identity between two video streams.
... idet V->V Interlace detect Filter.
T.C il V->V Deinterleave or interleave fields.
TSC inflate V->V Apply inflate effect.
... interlace V->V Convert progressive video into interlaced.
... interleave N->V Temporally interleave video inputs.
... kerndeint V->V Apply kernel deinterlacing to the input.
TSC kirsch V->V Apply kirsch operator.
TSC lagfun V->V Slowly update darker pixels.
T.. latency V->V Report video filtering latency.
TSC lenscorrection V->V Rectify the image by correcting for lens distortion.
..C libplacebo V->V Apply various GPU filters from libplacebo
... libvmaf VV->V Calculate the VMAF between two video streams.
TSC limitdiff N->V Apply filtering with limiting difference.
TSC limiter V->V Limit pixels components to the specified range.
... loop V->V Loop video frames.
TSC lumakey V->V Turns a certain luma into transparency.
TSC lut V->V Compute and apply a lookup table to the RGB/YUV input video.
TSC lut1d V->V Adjust colors using a 1D LUT.
TSC lut2 VV->V Compute and apply a lookup table from two video inputs.
TSC lut3d V->V Adjust colors using a 3D LUT.
TSC lutrgb V->V Compute and apply a lookup table to the RGB input video.
TSC lutyuv V->V Compute and apply a lookup table to the YUV input video.
TSC maskedclamp VVV->V Clamp first stream with second stream and third stream.
TSC maskedmax VVV->V Apply filtering with maximum difference of two streams.
TSC maskedmerge VVV->V Merge first stream with second stream using third stream as mask.
TSC maskedmin VVV->V Apply filtering with minimum difference of two streams.
TSC maskedthreshold VV->V Pick pixels comparing absolute difference of two streams with threshold.
TSC maskfun V->V Create Mask.
TSC median V->V Apply Median filter.
... mergeplanes N->V Merge planes.
... mestimate V->V Generate motion vectors.
T.. metadata V->V Manipulate video frame metadata.
T.. midequalizer VV->V Apply Midway Equalization.
... minterpolate V->V Frame rate conversion using Motion Interpolation.
TSC mix N->V Mix video inputs.
TSC monochrome V->V Convert video to gray using custom color filter.
T.C morpho VV->V Apply Morphological filter.
... mpdecimate V->V Remove near-duplicate frames.
TS. msad VV->V Calculate the MSAD between two video streams.
TSC multiply VV->V Multiply first video stream with second video stream.
TSC negate V->V Negate input video.
TS. nlmeans V->V Non-local means denoiser.
... nlmeans_opencl V->V Non-local means denoiser through OpenCL
TSC nnedi V->V Apply neural network edge directed interpolation intra-only deinterlacer.
... noformat V->V Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
TS. noise V->V Add noise.
T.C normalize V->V Normalize RGB video.
... null V->V Pass the source unchanged to the output.
... ocr V->V Optical Character Recognition.
T.C oscilloscope V->V 2D Video Oscilloscope.
TSC overlay VV->V Overlay a video source on top of the input.
... overlay_opencl VV->V Overlay one video on top of another
... overlay_qsv VV->V Quick Sync Video overlay.
... overlay_vulkan VV->V Overlay a source on top of another
... overlay_cuda VV->V Overlay one video on top of another using CUDA
T.. owdenoise V->V Denoise using wavelets.
... pad V->V Pad the input video.
... pad_opencl V->V Pad the input video.
... palettegen V->V Find the optimal palette for a given stream.
... paletteuse VV->V Use a palette to downsample an input video stream.
T.C perms V->V Set permissions for the output video frame.
TS. perspective V->V Correct the perspective of video.
T.C phase V->V Phase shift fields.
... photosensitivity V->V Filter out photosensitive epilepsy seizure-inducing flashes.
... pixdesctest V->V Test pixel format definitions.
TSC pixelize V->V Pixelize video.
T.C pixscope V->V Pixel data analysis.
T.C pp V->V Filter video using libpostproc.
T.. pp7 V->V Apply Postprocessing 7 filter.
TS. premultiply N->V PreMultiply first stream with first plane of second stream.
TSC prewitt V->V Apply prewitt operator.
... prewitt_opencl V->V Apply prewitt operator
... program_opencl N->V Filter video using an OpenCL program
TSC pseudocolor V->V Make pseudocolored video frames.
TS. psnr VV->V Calculate the PSNR between two video streams.
... pullup V->V Pullup from field sequence to frames.
T.. qp V->V Change video quantization parameters.
... random V->V Return random frames.
TSC readeia608 V->V Read EIA-608 Closed Caption codes from input video and write them to frame metadata.
... readvitc V->V Read vertical interval timecode and write it to frame metadata.
..C realtime V->V Slow down filtering to match realtime.
.S. remap VVV->V Remap pixels.
TS. removegrain V->V Remove grain.
T.. removelogo V->V Remove a TV logo based on a mask image.
... repeatfields V->V Hard repeat fields based on MPEG repeat field flag.
... reverse V->V Reverse a clip.
TSC rgbashift V->V Shift RGBA.
TSC roberts V->V Apply roberts cross operator.
... roberts_opencl V->V Apply roberts operator
TSC rotate V->V Rotate the input image.
T.. sab V->V Apply shape adaptive blur.
..C scale V->V Scale the input video size and/or convert the image format.
... scale_cuda V->V GPU accelerated video resizer
... scale_qsv V->V QuickSync video scaling and format conversion
... scale_vulkan V->V Scale Vulkan frames
..C scale2ref VV->VV Scale the input video size and/or convert the image format to the given reference.
... scdet V->V Detect video scene change
TSC scharr V->V Apply scharr operator.
TSC scroll V->V Scroll input video.
... segment V->N Segment video stream.
... select V->N Select video frames to pass in output.
TS. selectivecolor V->V Apply CMYK adjustments to specific color ranges.
... sendcmd V->V Send commands to filters.
... separatefields V->V Split input video frames into fields.
... setdar V->V Set the frame display aspect ratio.
... setfield V->V Force field for the output video frame.
... setparams V->V Force field, or color property for the output video frame.
... setpts V->V Set PTS for the output video frame.
... setrange V->V Force color range for the output video frame.
... setsar V->V Set the pixel sample aspect ratio.
... settb V->V Set timebase for the video output link.
TSC shear V->V Shear transform the input image.
... showinfo V->V Show textual information for each video frame.
... showpalette V->V Display frame palette.
T.. shuffleframes V->V Shuffle video frames.
TS. shufflepixels V->V Shuffle video pixels.
T.. shuffleplanes V->V Shuffle video planes.
T.. sidedata V->V Manipulate video frame side data.
.S. signalstats V->V Generate statistics from video analysis.
... signature N->V Calculate the MPEG-7 video signature
... siti V->V Calculate spatial information (SI) and temporal information (TI).
T.. smartblur V->V Blur the input video without impacting the outlines.
TSC sobel V->V Apply sobel operator.
... sobel_opencl V->V Apply sobel operator
... split V->N Pass on the input to N video outputs.
T.C spp V->V Apply a simple post processing filter.
... sr V->V Apply DNN-based image super resolution to the input.
TS. ssim VV->V Calculate the SSIM between two video streams.
.S. stereo3d V->V Convert video stereoscopic 3D view.
..C streamselect N->N Select video streams
... subtitles V->V Render text subtitles onto input video using the libass library.
.S. super2xsai V->V Scale the input by 2x using the Super2xSaI pixel art algorithm.
T.C swaprect V->V Swap 2 rectangular objects in video.
T.. swapuv V->V Swap U and V components.
TSC tblend V->V Blend successive frames.
... telecine V->V Apply a telecine pattern.
... thistogram V->V Compute and draw a temporal histogram.
TSC threshold VVVV->V Threshold first video stream using other video streams.
T.. thumbnail V->V Select the most representative frame in a given sequence of consecutive frames.
... thumbnail_cuda V->V Select the most representative frame in a given sequence of consecutive frames.
... tile V->V Tile several successive frames together.
... tinterlace V->V Perform temporal field interlacing.
TSC tlut2 V->V Compute and apply a lookup table from two successive frames.
TSC tmedian V->V Pick median pixels from successive frames.
T.. tmidequalizer V->V Apply Temporal Midway Equalization.
TSC tmix V->V Mix successive video frames.
.S. tonemap V->V Conversion to/from different dynamic ranges.
... tonemap_opencl V->V Perform HDR to SDR conversion with tonemapping.
... tpad V->V Temporarily pad video frames.
.S. transpose V->V Transpose input video.
... transpose_opencl V->V Transpose input video
... transpose_vulkan V->V Transpose Vulkan Filter
... trim V->V Pick one continuous section from the input, drop the rest.
TS. unpremultiply N->V UnPreMultiply first stream with first plane of second stream.
TS. unsharp V->V Sharpen or blur the input video.
... unsharp_opencl V->V Apply unsharp mask to input video
... untile V->V Untile a frame into a sequence of frames.
.SC v360 V->V Convert 360 projection of video.
T.. vaguedenoiser V->V Apply a Wavelet based Denoiser.
TSC varblur VV->V Apply Variable Blur filter.
..C vectorscope V->V Video vectorscope.
T.. vflip V->V Flip the input video vertically.
... vflip_vulkan V->V Vertically flip the input video in Vulkan
... vfrdet V->V Variable frame rate detect filter.
TSC vibrance V->V Boost or alter saturation.
... vidstabdetect V->V Extract relative transformations, pass 1 of 2 for stabilization (see vidstabtransform for pass 2).
... vidstabtransform V->V Transform the frames, pass 2 of 2 for stabilization (see vidstabdetect for pass 1).
TS. vif VV->V Calculate the VIF between two video streams.
T.. vignette V->V Make or reverse a vignette effect.
... vmafmotion V->V Calculate the VMAF Motion score.
... vpp_qsv V->V Quick Sync Video VPP.
.S. vstack N->V Stack video inputs vertically.
TSC w3fdif V->V Apply Martin Weston three field deinterlace.
.SC waveform V->V Video waveform monitor.
.S. weave V->V Weave input video fields into frames.
.S. xbr V->V Scale the input using xBR algorithm.
TS. xcorrelate VV->V Cross-correlate first video stream with second video stream.
.S. xfade VV->V Cross fade one video with another video.
... xfade_opencl VV->V Cross fade one video with another video.
TSC xmedian N->V Pick median pixels from several video inputs.
.S. xstack N->V Stack video inputs into custom layout.
TS. yadif V->V Deinterlace the input image.
T.. yadif_cuda V->V Deinterlace CUDA frames
TSC yaepblur V->V Yet another edge preserving blur filter.
... zmq V->V Receive commands through ZMQ and broker them to filters.
... zoompan V->V Apply Zoom & Pan effect.
.SC zscale V->V Apply resizing, colorspace and bit depth conversion.
... allrgb |->V Generate all RGB colors.
... allyuv |->V Generate all yuv colors.
... cellauto |->V Create pattern generated by an elementary cellular automaton.
..C color |->V Provide an uniformly colored input.
... colorchart |->V Generate color checker chart.
... colorspectrum |->V Generate colors spectrum.
... frei0r_src |->V Generate a frei0r source.
.S. gradients |->V Draw a gradients.
... haldclutsrc |->V Provide an identity Hald CLUT.
... life |->V Create life.
... mandelbrot |->V Render a Mandelbrot fractal.
... mptestsrc |->V Generate various test pattern.
... nullsrc |->V Null video source, return unprocessed video frames.
... openclsrc |->V Generate video using an OpenCL program
... pal75bars |->V Generate PAL 75% color bars.
... pal100bars |->V Generate PAL 100% color bars.
... rgbtestsrc |->V Generate RGB test pattern.
.S. sierpinski |->V Render a Sierpinski fractal.
... smptebars |->V Generate SMPTE color bars.
... smptehdbars |->V Generate SMPTE HD color bars.
... testsrc |->V Generate test pattern.
... testsrc2 |->V Generate another test pattern.
... yuvtestsrc |->V Generate YUV test pattern.
... nullsink V->| Do absolutely nothing with the input video.
... abitscope A->V Convert input audio to audio bit scope video output.
... adrawgraph A->V Draw a graph using input audio metadata.
... agraphmonitor A->V Show various filtergraph stats.
... ahistogram A->V Convert input audio to histogram video output.
... aphasemeter A->N Convert input audio to phase meter video output.
.SC avectorscope A->V Convert input audio to vectorscope video output.
..C concat N->N Concatenate audio and video streams.
... showcqt A->V Convert input audio to a CQT (Constant/Clamped Q Transform) spectrum video output.
... showfreqs A->V Convert input audio to a frequencies video output.
.S. showspatial A->V Convert input audio to a spatial video output.
.S. showspectrum A->V Convert input audio to a spectrum video output.
.S. showspectrumpic A->V Convert input audio to a spectrum video output single picture.
... showvolume A->V Convert input audio volume to video output.
... showwaves A->V Convert input audio to a video output.
... showwavespic A->V Convert input audio to a video output single picture.
... spectrumsynth VV->A Convert input spectrum videos to audio output.
... avsynctest |->AV Generate an Audio Video Sync Test.
..C amovie |->N Read audio from a movie source.
..C movie |->N Read from a movie source.
... afifo A->A Buffer input frames and send them when they are requested.
... fifo V->V Buffer input images and send them when they are requested.
... abuffer |->A Buffer audio frames, and make them accessible to the filterchain.
... buffer |->V Buffer video frames, and make them accessible to the filterchain.
... abuffersink A->| Buffer audio frames, and make them available to the end of the filter graph.
... buffersink V->| Buffer video frames, and make them available to the end of the filter graph.
Raw
formats.txt
File formats:
D. = Demuxing supported
.E = Muxing supported
--
D 3dostr 3DO STR
E 3g2 3GP2 (3GPP2 file format)
E 3gp 3GP (3GPP file format)
D 4xm 4X Technologies
E a64 a64 - video for Commodore 64
D aa Audible AA format files
D aac raw ADTS AAC (Advanced Audio Coding)
D aax CRI AAX
DE ac3 raw AC-3
D ace tri-Ace Audio Container
D acm Interplay ACM
D act ACT Voice file format
D adf Artworx Data Format
D adp ADP
D ads Sony PS2 ADS
E adts ADTS AAC (Advanced Audio Coding)
DE adx CRI ADX
D aea MD STUDIO audio
D afc AFC
DE aiff Audio IFF
D aix CRI AIX
DE alaw PCM A-law
D alias_pix Alias/Wavefront PIX image
DE alp LEGO Racers ALP
DE amr 3GPP AMR
D amrnb raw AMR-NB
D amrwb raw AMR-WB
E amv AMV
D anm Deluxe Paint Animation
D apc CRYO APC
D ape Monkey's Audio
DE apm Ubisoft Rayman 2 APM
DE apng Animated Portable Network Graphics
DE aptx raw aptX (Audio Processing Technology for Bluetooth)
DE aptx_hd raw aptX HD (Audio Processing Technology for Bluetooth)
D aqtitle AQTitle subtitles
DE argo_asf Argonaut Games ASF
D argo_brp Argonaut Games BRP
DE argo_cvg Argonaut Games CVG
DE asf ASF (Advanced / Active Streaming Format)
D asf_o ASF (Advanced / Active Streaming Format)
E asf_stream ASF (Advanced / Active Streaming Format)
DE ass SSA (SubStation Alpha) subtitle
DE ast AST (Audio Stream)
DE au Sun AU
D av1 AV1 Annex B
DE avi AVI (Audio Video Interleaved)
E avif AVIF
D avisynth AviSynth script
E avm2 SWF (ShockWave Flash) (AVM2)
D avr AVR (Audio Visual Research)
D avs Argonaut Games Creature Shock
DE avs2 raw AVS2-P2/IEEE1857.4 video
DE avs3 AVS3-P2/IEEE1857.10
D bethsoftvid Bethesda Softworks VID
D bfi Brute Force & Ignorance
D bfstm BFSTM (Binary Cafe Stream)
D bin Binary text
D bink Bink
D binka Bink Audio
DE bit G.729 BIT file format
D bitpacked Bitpacked
D bmp_pipe piped bmp sequence
D bmv Discworld II BMV
D boa Black Ops Audio
D brender_pix BRender PIX image
D brstm BRSTM (Binary Revolution Stream)
D c93 Interplay C93
E caca caca (color ASCII art) output device
DE caf Apple CAF (Core Audio Format)
DE cavsvideo raw Chinese AVS (Audio Video Standard) video
D cdg CD Graphics
D cdxl Commodore CDXL video
E chromaprint Chromaprint
D cine Phantom Cine
DE codec2 codec2 .c2 muxer
DE codec2raw raw codec2 muxer
D concat Virtual concatenation script
E crc CRC testing
D cri_pipe piped cri sequence
DE dash DASH Muxer
DE data raw data
DE daud D-Cinema audio
D dcstr Sega DC STR
D dds_pipe piped dds sequence
D derf Xilam DERF
D dfa Chronomaster DFA
DE dfpwm raw DFPWM1a
D dhav Video DAV
DE dirac raw Dirac
DE dnxhd raw DNxHD (SMPTE VC-3)
D dpx_pipe piped dpx sequence
D dsf DSD Stream File (DSF)
D dshow DirectShow capture
D dsicin Delphine Software International CIN
D dss Digital Speech Standard (DSS)
DE dts raw DTS
D dtshd raw DTS-HD
DE dv DV (Digital Video)
D dvbsub raw dvbsub
D dvbtxt dvbtxt
E dvd MPEG-2 PS (DVD VOB)
D dxa DXA
D ea Electronic Arts Multimedia
D ea_cdata Electronic Arts cdata
DE eac3 raw E-AC-3
D epaf Ensoniq Paris Audio File
D exr_pipe piped exr sequence
DE f32be PCM 32-bit floating-point big-endian
DE f32le PCM 32-bit floating-point little-endian
E f4v F4V Adobe Flash Video
DE f64be PCM 64-bit floating-point big-endian
DE f64le PCM 64-bit floating-point little-endian
DE ffmetadata FFmpeg metadata in text
E fifo FIFO queue pseudo-muxer
E fifo_test Fifo test muxer
DE film_cpk Sega FILM / CPK
DE filmstrip Adobe Filmstrip
DE fits Flexible Image Transport System
DE flac raw FLAC
D flic FLI/FLC/FLX animation
DE flv FLV (Flash Video)
E framecrc framecrc testing
E framehash Per-frame hash testing
E framemd5 Per-frame MD5 testing
D frm Megalux Frame
D fsb FMOD Sample Bank
D fwse Capcom's MT Framework sound
DE g722 raw G.722
DE g723_1 raw G.723.1
DE g726 raw big-endian G.726 ("left-justified")
DE g726le raw little-endian G.726 ("right-justified")
D g729 G.729 raw format demuxer
D gdigrab GDI API Windows frame grabber
D gdv Gremlin Digital Video
D gem_pipe piped gem sequence
D genh GENeric Header
DE gif CompuServe Graphics Interchange Format (GIF)
D gif_pipe piped gif sequence
DE gsm raw GSM
DE gxf GXF (General eXchange Format)
DE h261 raw H.261
DE h263 raw H.263
DE h264 raw H.264 video
E hash Hash testing
D hca CRI HCA
D hcom Macintosh HCOM
E hds HDS Muxer
DE hevc raw HEVC video
DE hls Apple HTTP Live Streaming
D hnm Cryo HNM v4
DE ico Microsoft Windows ICO
D idcin id Cinematic
D idf iCE Draw File
D iff IFF (Interchange File Format)
D ifv IFV CCTV DVR
DE ilbc iLBC storage
DE image2 image2 sequence
DE image2pipe piped image2 sequence
D imf IMF (Interoperable Master Format)
D ingenient raw Ingenient MJPEG
D ipmovie Interplay MVE
E ipod iPod H.264 MP4 (MPEG-4 Part 14)
D ipu raw IPU Video
DE ircam Berkeley/IRCAM/CARL Sound Format
E ismv ISMV/ISMA (Smooth Streaming)
D iss Funcom ISS
D iv8 IndigoVision 8000 video
DE ivf On2 IVF
D ivr IVR (Internet Video Recording)
D j2k_pipe piped j2k sequence
DE jacosub JACOsub subtitle format
D jpeg_pipe piped jpeg sequence
D jpegls_pipe piped jpegls sequence
D jpegxl_pipe piped jpegxl sequence
D jv Bitmap Brothers JV
D kux KUX (YouKu)
DE kvag Simon & Schuster Interactive VAG
E latm LOAS/LATM
D lavfi Libavfilter virtual input device
D libcdio
D libgme Game Music Emu demuxer
D libmodplug ModPlug demuxer
D libopenmpt Tracker formats (libopenmpt)
D live_flv live RTMP FLV (Flash Video)
D lmlm4 raw lmlm4
D loas LOAS AudioSyncStream
DE lrc LRC lyrics
D luodat Video CCTV DAT
D lvf LVF
D lxf VR native stream (LXF)
DE m4v raw MPEG-4 video
E matroska Matroska
D matroska,webm Matroska / WebM
D mca MCA Audio Format
D mcc MacCaption
E md5 MD5 testing
D mgsts Metal Gear Solid: The Twin Snakes
DE microdvd MicroDVD subtitle format
DE mjpeg raw MJPEG video
D mjpeg_2000 raw MJPEG 2000 video
E mkvtimestamp_v2 extract pts as timecode v2 format, as defined by mkvtoolnix
DE mlp raw MLP
D mlv Magic Lantern Video (MLV)
D mm American Laser Games MM
DE mmf Yamaha SMAF
D mods MobiClip MODS
D moflex MobiClip MOFLEX
E mov QuickTime / MOV
D mov,mp4,m4a,3gp,3g2,mj2 QuickTime / MOV
E mp2 MP2 (MPEG audio layer 2)
DE mp3 MP3 (MPEG audio layer 3)
E mp4 MP4 (MPEG-4 Part 14)
D mpc Musepack
D mpc8 Musepack SV8
DE mpeg MPEG-1 Systems / MPEG program stream
E mpeg1video raw MPEG-1 video
E mpeg2video raw MPEG-2 video
DE mpegts MPEG-TS (MPEG-2 Transport Stream)
D mpegtsraw raw MPEG-TS (MPEG-2 Transport Stream)
D mpegvideo raw MPEG video
DE mpjpeg MIME multipart JPEG
D mpl2 MPL2 subtitles
D mpsub MPlayer subtitles
D msf Sony PS3 MSF
D msnwctcp MSN TCP Webcam stream
D msp Microsoft Paint (MSP))
D mtaf Konami PS2 MTAF
D mtv MTV
DE mulaw PCM mu-law
D musx Eurocom MUSX
D mv Silicon Graphics Movie
D mvi Motion Pixels MVI
DE mxf MXF (Material eXchange Format)
E mxf_d10 MXF (Material eXchange Format) D-10 Mapping
E mxf_opatom MXF (Material eXchange Format) Operational Pattern Atom
D mxg MxPEG clip
D nc NC camera feed
D nistsphere NIST SPeech HEader REsources
D nsp Computerized Speech Lab NSP
D nsv Nullsoft Streaming Video
E null raw null video
DE nut NUT
D nuv NuppelVideo
DE obu AV1 low overhead OBU
E oga Ogg Audio
DE ogg Ogg
E ogv Ogg Video
DE oma Sony OpenMG audio
D openal OpenAL audio capture device
E opengl OpenGL output
E opus Ogg Opus
D paf Amazing Studio Packed Animation File
D pam_pipe piped pam sequence
D pbm_pipe piped pbm sequence
D pcx_pipe piped pcx sequence
D pgm_pipe piped pgm sequence
D pgmyuv_pipe piped pgmyuv sequence
D pgx_pipe piped pgx sequence
D photocd_pipe piped photocd sequence
D pictor_pipe piped pictor sequence
D pjs PJS (Phoenix Japanimation Society) subtitles
D pmp Playstation Portable PMP
D png_pipe piped png sequence
D pp_bnk Pro Pinball Series Soundbank
D ppm_pipe piped ppm sequence
D psd_pipe piped psd sequence
E psp PSP MP4 (MPEG-4 Part 14)
D psxstr Sony Playstation STR
D pva TechnoTrend PVA
D pvf PVF (Portable Voice Format)
D qcp QCP
D qdraw_pipe piped qdraw sequence
D qoi_pipe piped qoi sequence
D r3d REDCODE R3D
DE rawvideo raw video
D realtext RealText subtitle format
D redspark RedSpark
D rl2 RL2
DE rm RealMedia
DE roq raw id RoQ
D rpl RPL / ARMovie
D rsd GameCube RSD
DE rso Lego Mindstorms RSO
DE rtp RTP output
E rtp_mpegts RTP/mpegts output format
DE rtsp RTSP output
DE s16be PCM signed 16-bit big-endian
DE s16le PCM signed 16-bit little-endian
DE s24be PCM signed 24-bit big-endian
DE s24le PCM signed 24-bit little-endian
DE s32be PCM signed 32-bit big-endian
DE s32le PCM signed 32-bit little-endian
D s337m SMPTE 337M
DE s8 PCM signed 8-bit
D sami SAMI subtitle format
DE sap SAP output
DE sbc raw SBC
D sbg SBaGen binaural beats script
DE scc Scenarist Closed Captions
D scd Square Enix SCD
E sdl,sdl2 SDL2 output device
D sdp SDP
D sdr2 SDR2
D sds MIDI Sample Dump Standard
D sdx Sample Dump eXchange
E segment segment
D ser SER (Simple uncompressed video format for astronomical capturing)
D sga Digital Pictures SGA
D sgi_pipe piped sgi sequence
D shn raw Shorten
D siff Beam Software SIFF
D simbiosis_imx Simbiosis Interactive IMX
D sln Asterisk raw pcm
DE smjpeg Loki SDL MJPEG
D smk Smacker
E smoothstreaming Smooth Streaming Muxer
D smush LucasArts Smush
D sol Sierra SOL
DE sox SoX native
DE spdif IEC 61937 (used on S/PDIF - IEC958)
E spx Ogg Speex
DE srt SubRip subtitle
D stl Spruce subtitle format
E stream_segment,ssegment streaming segment muxer
E streamhash Per-stream hash testing
D subviewer SubViewer subtitle format
D subviewer1 SubViewer v1 subtitle format
D sunrast_pipe piped sunrast sequence
DE sup raw HDMV Presentation Graphic Stream subtitles
D svag Konami PS2 SVAG
E svcd MPEG-2 PS (SVCD)
D svg_pipe piped svg sequence
D svs Square SVS
DE swf SWF (ShockWave Flash)
D tak raw TAK
D tedcaptions TED Talks captions
E tee Multiple muxer tee
D thp THP
D tiertexseq Tiertex Limited SEQ
D tiff_pipe piped tiff sequence
D tmv 8088flex TMV
DE truehd raw TrueHD
DE tta TTA (True Audio)
E ttml TTML subtitle
D tty Tele-typewriter
D txd Renderware TeXture Dictionary
D ty TiVo TY Stream
DE u16be PCM unsigned 16-bit big-endian
DE u16le PCM unsigned 16-bit little-endian
DE u24be PCM unsigned 24-bit big-endian
DE u24le PCM unsigned 24-bit little-endian
DE u32be PCM unsigned 32-bit big-endian
DE u32le PCM unsigned 32-bit little-endian
DE u8 PCM unsigned 8-bit
E uncodedframecrc uncoded framecrc testing
D v210 Uncompressed 4:2:2 10-bit
D v210x Uncompressed 4:2:2 10-bit
D vag Sony PS2 VAG
D vbn_pipe piped vbn sequence
DE vc1 raw VC-1 video
DE vc1test VC-1 test bitstream
E vcd MPEG-1 Systems / MPEG program stream (VCD)
D vfwcap VfW video capture
DE vidc PCM Archimedes VIDC
D vividas Vividas VIV
D vivo Vivo
D vmd Sierra VMD
E vob MPEG-2 PS (VOB)
D vobsub VobSub subtitle format
DE voc Creative Voice
D vpk Sony PS2 VPK
D vplayer VPlayer subtitles
D vqf Nippon Telegraph and Telephone Corporation (NTT) TwinVQ
DE w64 Sony Wave64
DE wav WAV / WAVE (Waveform Audio)
D wc3movie Wing Commander III movie
E webm WebM
E webm_chunk WebM Chunk Muxer
DE webm_dash_manifest WebM DASH Manifest
E webp WebP
D webp_pipe piped webp sequence
DE webvtt WebVTT subtitle
DE wsaud Westwood Studios audio
D wsd Wideband Single-bit Data (WSD)
D wsvqa Westwood Studios VQA
DE wtv Windows Television (WTV)
DE wv raw WavPack
D wve Psion 3 audio
D xa Maxis XA
D xbin eXtended BINary text (XBIN)
D xbm_pipe piped xbm sequence
D xmv Microsoft XMV
D xpm_pipe piped xpm sequence
D xvag Sony PS3 XVAG
D xwd_pipe piped xwd sequence
D xwma Microsoft xWMA
D yop Psygnosis YOP
DE yuv4mpegpipe YUV4MPEG pipe
Raw
header.txt
ffmpeg version N-107140-gf5fd5a3eb4-gfee765c207+3 Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
configuration: --pkg-config=pkgconf --cc='ccache gcc' --cxx='ccache g++' --ld='ccache g++' --disable-autodetect --enable-amf --enable-bzlib --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-iconv --enable-lzma --enable-nvenc --enable-zlib --enable-sdl2 --enable-ffnvcodec --enable-nvdec --enable-cuda-llvm --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-libaom --disable-debug --enable-libfdk-aac --enable-fontconfig --enable-libass --enable-libbluray --enable-libfreetype --enable-libmfx --enable-libmysofa --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libwebp --enable-libxml2 --enable-libzimg --enable-libshine --enable-gpl --enable-avisynth --enable-libxvid --enable-libopenmpt --enable-version3 --enable-librav1e --enable-libsrt --enable-libgsm --enable-libvmaf --enable-libsvtav1 --enable-chromaprint --enable-frei0r --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfribidi --enable-libgme --enable-libilbc --enable-libsvthevc --enable-libsvtvp9 --enable-libkvazaar --enable-libmodplug --enable-librist --enable-librtmp --enable-librubberband --enable-libtesseract --enable-libxavs --enable-libzmq --enable-libzvbi --enable-openal --enable-libcodec2 --enable-ladspa --enable-libglslang --enable-vulkan --enable-libdavs2 --enable-libxavs2 --enable-libuavs3d --enable-libplacebo --enable-libjxl --enable-opencl --enable-opengl --enable-libopenh264 --enable-openssl --extra-cflags=-DLIBTWOLAME_STATIC --extra-libs=-lstdc++ --extra-cflags=-DCACA_STATIC --extra-cflags=-DMODPLUG_STATIC --extra-cflags=-DCHROMAPRINT_NODLL --extra-libs=-lstdc++ --extra-cflags=-DZMQ_STATIC --extra-libs=-lpsapi --extra-cflags=-DLIBXML_STATIC --extra-libs=-liconv --disable-w32threads --extra-cflags=-DKVZ_STATIC_LIB --enable-nonfree --extra-cflags=-DAL_LIBTYPE_STATIC --extra-cflags='-IP:/Others/media-autobuild/local64/include' --extra-cflags='-IP:/Others/media-autobuild/local64/include/AL'
libavutil 57. 27.100 / 57. 27.100
libavcodec 59. 33.100 / 59. 33.100
libavformat 59. 25.100 / 59. 25.100
libavdevice 59. 6.100 / 59. 6.100
libavfilter 8. 41.100 / 8. 41.100
libswscale 6. 6.100 / 6. 6.100
libswresample 4. 6.100 / 4. 6.100
libpostproc 56. 5.100 / 56. 5.100
Raw
help.txt
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
-h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol
See man ffmpeg for detailed description of the options.
Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-muxers show available muxers
-demuxers show available demuxers
-devices show available devices
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-dispositions show available stream dispositions
-colors show available color names
-sources device list sources of the input device
-sinks device list sinks of the output device
-hwaccels show available HW acceleration methods
Global options (affect whole program instead of just one file):
-loglevel loglevel set logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n never overwrite output files
-ignore_unknown Ignore unknown stream types
-filter_threads number of non-complex filter threads
-filter_complex_threads number of threads for -filter_complex
-stats print progress report during encoding
-max_error_rate maximum error rate ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.
-vol volume change audio volume (256=normal)
Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-sseof time_off set the start time offset relative to EOF
-seek_timestamp enable/disable seeking by timestamp with -ss
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-program title=string:st=number... add program with specified streams
-target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
-apad audio pad
-frames number set the number of frames to output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition
Video options:
-vframes number set the number of video frames to output
-r rate set frame rate (Hz value, fraction or abbreviation)
-fpsmax rate set max frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-ab bitrate audio bitrate (please use -b:a)
-b bitrate video bitrate (please use -b:v)
-dn disable data
Audio options:
-aframes number set the number of audio frames to output
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-vol volume change audio volume (256=normal)
-af filter_graph set audio filters
Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset
Raw
helpFull.txt
This file has been truncated, but you can view the full file.
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
-h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol
See man ffmpeg for detailed description of the options.
Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-muxers show available muxers
-demuxers show available demuxers
-devices show available devices
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-dispositions show available stream dispositions
-colors show available color names
-sources device list sources of the input device
-sinks device list sinks of the output device
-hwaccels show available HW acceleration methods
Global options (affect whole program instead of just one file):
-loglevel loglevel set logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n never overwrite output files
-ignore_unknown Ignore unknown stream types
-filter_threads number of non-complex filter threads
-filter_complex_threads number of threads for -filter_complex
-stats print progress report during encoding
-max_error_rate maximum error rate ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.
-vol volume change audio volume (256=normal)
Advanced global options:
-cpuflags flags force specific cpu flags
-cpucount count force specific cpu count
-hide_banner hide_banner do not show program banner
-copy_unknown Copy unknown stream types
-recast_media allow recasting stream type in order to force a decoder of different media type
-benchmark add timings for benchmarking
-benchmark_all add timings for each task
-progress url write program-readable progress information
-stdin enable or disable interaction on standard input
-timelimit limit set max runtime in seconds in CPU user time
-dump dump each input packet
-hex when dumping packets, also dump the payload
-vsync set video sync method globally; deprecated, use -fps_mode
-frame_drop_threshold frame drop threshold
-async audio sync method
-adrift_threshold threshold audio drift threshold
-copyts copy timestamps
-start_at_zero shift input timestamps to start at 0 when using copyts
-copytb mode copy input stream time base when stream copying
-dts_delta_threshold threshold timestamp discontinuity delta threshold
-dts_error_threshold threshold timestamp error delta threshold
-xerror error exit on error
-abort_on flags abort on the specified condition flags
-filter_complex graph_description create a complex filtergraph
-lavfi graph_description create a complex filtergraph
-filter_complex_script filename read complex filtergraph description from a file
-auto_conversion_filters enable automatic conversion filters globally
-stats_period time set the period at which ffmpeg updates stats and -progress output
-debug_ts print timestamp debugging info
-psnr calculate PSNR of compressed frames
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-vstats_version Version of the vstats format to use.
-qphist show QP histogram
-sdp_file file specify a file in which to print sdp information
-qsv_device device set QSV hardware device (DirectX adapter index, DRM path or X11 display name)
-init_hw_device args initialise hardware device
-filter_hw_device device set hardware device used when filtering
Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-sseof time_off set the start time offset relative to EOF
-seek_timestamp enable/disable seeking by timestamp with -ss
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-program title=string:st=number... add program with specified streams
-target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
-apad audio pad
-frames number set the number of frames to output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition
Advanced per-file options:
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]] set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another
-map_chapters input_file_index set chapters mapping
-accurate_seek enable/disable accurate seeking with -ss
-itsoffset time_off set the input ts offset
-itsscale scale set the input ts scale
-dframes number set the number of data frames to output
-re read input at native frame rate; equivalent to -readrate 1
-readrate speed read input at specified rate
-shortest finish encoding within shortest input
-bitexact bitexact mode
-copyinkf copy initial non-keyframes
-copypriorss copy or discard frames before start time
-tag fourcc/tag force codec tag/fourcc
-q q use fixed quality scale (VBR)
-qscale q use fixed quality scale (VBR)
-profile profile set profile
-attach filename add an attachment to the output file
-dump_attachment filename extract an attachment into a file
-stream_loop loop count set number of times input stream shall be looped
-thread_queue_size set the maximum number of queued packets from the demuxer
-find_stream_info read and decode the streams to fill missing information with heuristics
-bits_per_raw_sample number set the number of bits per raw sample
-autorotate automatically insert correct rotate filters
-autoscale automatically insert a scale filter at the end of the filter graph
-muxdelay seconds set the maximum demux-decode delay
-muxpreload seconds set the initial demux-decode delay
-time_base ratio set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)
-enc_time_base ratio set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). two special values are defined - 0 = use frame rate (video) or sample rate (audio),-1 = match source time base
-bsf bitstream_filters A comma-separated list of bitstream filters
-fpre filename set options from indicated preset file
-max_muxing_queue_size packets maximum number of packets that can be buffered while waiting for all streams to initialize
-muxing_queue_data_threshold bytes set the threshold after which max_muxing_queue_size is taken into account
-dcodec codec force data codec ('copy' to copy stream)
Video options:
-vframes number set the number of video frames to output
-r rate set frame rate (Hz value, fraction or abbreviation)
-fpsmax rate set max frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-ab bitrate audio bitrate (please use -b:a)
-b bitrate video bitrate (please use -b:v)
-dn disable data
Advanced Video options:
-pix_fmt format set pixel format
-rc_override override rate control override for specific intervals
-passlogfile prefix select two pass log file name prefix
-psnr calculate PSNR of compressed frames
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-vstats_version Version of the vstats format to use.
-intra_matrix matrix specify intra matrix coeffs
-inter_matrix matrix specify inter matrix coeffs
-chroma_intra_matrix matrix specify intra matrix coeffs
-top top=1/bottom=0/auto=-1 field first
-vtag fourcc/tag force video tag/fourcc
-qphist show QP histogram
-fps_mode set framerate mode for matching video streams; overrides vsync
-force_fps force the selected framerate, disable the best supported framerate selection
-streamid streamIndex:value set the value of an outfile streamid
-force_key_frames timestamps force key frames at specified timestamps
-hwaccel hwaccel name use HW accelerated decoding
-hwaccel_device devicename select a device for HW acceleration
-hwaccel_output_format format select output format used with HW accelerated decoding
-vbsf video bitstream_filters deprecated
-vpre preset set the video options to the indicated preset
Audio options:
-aframes number set the number of audio frames to output
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-vol volume change audio volume (256=normal)
-af filter_graph set audio filters
Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format
-channel_layout layout set channel layout
-ch_layout layout set channel layout
-guess_layout_max set the maximum number of channels to try to guess the channel layout
-absf audio bitstream_filters deprecated
-apre preset set the audio options to the indicated preset
Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset
AVCodecContext AVOptions:
-b <int64> E..VA...... set bitrate (in bits/s) (from 0 to I64_MAX) (default 200000)
-ab <int64> E...A...... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000)
-bt <int> E..V....... Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 1 to INT_MAX) (default 4000000)
-flags <flags> ED.VAS..... (default 0)
unaligned .D.V....... allow decoders to produce unaligned output
mv4 E..V....... use four motion vectors per macroblock (MPEG-4)
qpel E..V....... use 1/4-pel motion compensation
loop E..V....... use loop filter
gray ED.V....... only decode/encode grayscale
psnr E..V....... error[?] variables will be set during encoding
truncated .D.V......P (Deprecated, use parsers instead.) Input bitstream might be randomly truncated
ildct E..V....... use interlaced DCT
low_delay ED.V....... force low delay
global_header E..VA...... place global headers in extradata instead of every keyframe
bitexact ED.VAS..... use only bitexact functions (except (I)DCT)
aic E..V....... H.263 advanced intra coding / MPEG-4 AC prediction
ilme E..V....... interlaced motion estimation
cgop E..V....... closed GOP
output_corrupt .D.V....... Output even potentially corrupted frames
drop_changed .D.VA...... Drop frames whose parameters differ from first decoded frame
-flags2 <flags> ED.VAS..... (default 0)
fast E..V....... allow non-spec-compliant speedup tricks
noout E..V....... skip bitstream encoding
ignorecrop .D.V....... ignore cropping information from sps
local_header E..V....... place global headers at every keyframe instead of in extradata
chunks .D.V....... Frame data might be split into multiple chunks
showall .D.V....... Show all frames before the first keyframe
export_mvs .D.V....... export motion vectors through frame side data
skip_manual .D..A...... do not skip samples and export skip information as frame side data
ass_ro_flush_noop .D...S..... do not reset ASS ReadOrder field on flush
-export_side_data <flags> ED.VAS..... Export metadata as side data (default 0)
mvs .D.V....... export motion vectors through frame side data
prft E..VAS..... export Producer Reference Time through packet side data
venc_params .D.V....... export video encoding parameters through frame side data
film_grain .D.V....... export film grain parameters through frame side data
-g <int> E..V....... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12)
-ar <int> ED..A...... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0)
-ac <int> ED..A...... set number of audio channels (from 0 to INT_MAX) (default 0)
-cutoff <int> E...A...... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0)
-frame_size <int> E...A...... (from 0 to INT_MAX) (default 0)
-qcomp <float> E..V....... video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5)
-qblur <float> E..V....... video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5)
-qmin <int> E..V....... minimum video quantizer scale (VBR) (from -1 to 69) (default 2)
-qmax <int> E..V....... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31)
-qdiff <int> E..V....... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3)
-bf <int> E..V....... set maximum number of B-frames between non-B-frames (from -1 to INT_MAX) (default 0)
-b_qfactor <float> E..V....... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-bug <flags> .D.V....... work around not autodetected encoder bugs (default autodetect)
autodetect .D.V.......
xvid_ilace .D.V....... Xvid interlacing bug (autodetected if FOURCC == XVIX)
ump4 .D.V....... (autodetected if FOURCC == UMP4)
no_padding .D.V....... padding bug (autodetected)
amv .D.V.......
qpel_chroma .D.V.......
std_qpel .D.V....... old standard qpel (autodetected per FOURCC/version)
qpel_chroma2 .D.V.......
direct_blocksize .D.V....... direct-qpel-blocksize bug (autodetected per FOURCC/version)
edge .D.V....... edge padding bug (autodetected per FOURCC/version)
hpel_chroma .D.V.......
dc_clip .D.V.......
ms .D.V....... work around various bugs in Microsoft's broken decoders
trunc .D.V....... truncated frames
iedge .D.V.......
-strict <int> ED.VA...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED.VA...... strictly conform to a older more strict version of the spec or reference software
strict 1 ED.VA...... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.VA......
unofficial -1 ED.VA...... allow unofficial extensions
experimental -2 ED.VA...... allow non-standardized experimental things
-b_qoffset <float> E..V....... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
-err_detect <flags> ED.VAS..... set error detection flags (default 0)
crccheck ED.VAS..... verify embedded CRCs
bitstream ED.VAS..... detect bitstream specification deviations
buffer ED.VAS..... detect improper bitstream length
explode ED.VAS..... abort decoding on minor error detection
ignore_err ED.VAS..... ignore errors
careful ED.VAS..... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant ED.VAS..... consider all spec non compliancies as errors
aggressive ED.VAS..... consider things that a sane encoder should not do as an error
-maxrate <int64> E..VA...... maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0)
-minrate <int64> E..VA...... minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0)
-bufsize <int> E..VA...... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0)
-i_qfactor <float> E..V....... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8)
-i_qoffset <float> E..V....... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0)
-dct <int> E..V....... DCT algorithm (from 0 to INT_MAX) (default auto)
auto 0 E..V....... autoselect a good one
fastint 1 E..V....... fast integer
int 2 E..V....... accurate integer
mmx 3 E..V.......
altivec 5 E..V.......
faan 6 E..V....... floating point AAN DCT
-lumi_mask <float> E..V....... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
-tcplx_mask <float> E..V....... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-scplx_mask <float> E..V....... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
-p_mask <float> E..V....... inter masking (from -FLT_MAX to FLT_MAX) (default 0)
-dark_mask <float> E..V....... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
-idct <int> ED.V....... select IDCT implementation (from 0 to INT_MAX) (default auto)
auto 0 ED.V.......
int 1 ED.V.......
simple 2 ED.V.......
simplemmx 3 ED.V.......
arm 7 ED.V.......
altivec 8 ED.V.......
simplearm 10 ED.V.......
simplearmv5te 16 ED.V.......
simplearmv6 17 ED.V.......
simpleneon 22 ED.V.......
xvid 14 ED.V.......
xvidmmx 14 ED.V....... deprecated, for compatibility only
faani 20 ED.V....... floating point AAN IDCT
simpleauto 128 ED.V.......
-ec <flags> .D.V....... set error concealment strategy (default guess_mvs+deblock)
guess_mvs .D.V....... iterative motion vector (MV) search (slow)
deblock .D.V....... use strong deblock filter for damaged MBs
favor_inter .D.V....... favor predicting from the previous frame
-aspect <rational> E..V....... sample aspect ratio (from 0 to 10) (default 0/1)
-sar <rational> E..V....... sample aspect ratio (from 0 to 10) (default 0/1)
-debug <flags> ED.VAS..... print specific debug info (default 0)
pict .D.V....... picture info
rc E..V....... rate control
bitstream .D.V.......
mb_type .D.V....... macroblock (MB) type
qp .D.V....... per-block quantization parameter (QP)
dct_coeff .D.V.......
green_metadata .D.V.......
skip .D.V.......
startcode .D.V.......
er .D.V....... error recognition
mmco .D.V....... memory management control operations (H.264)
bugs .D.V.......
buffers .D.V....... picture buffer allocations
thread_ops .D.VA...... threading operations
nomc .D.VA...... skip motion compensation
-dia_size <int> E..V....... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0)
-last_pred <int> E..V....... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0)
-pre_dia_size <int> E..V....... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0)
-subq <int> E..V....... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8)
-me_range <int> E..V....... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0)
-global_quality <int> E..VA...... (from INT_MIN to INT_MAX) (default 0)
-mbd <int> E..V....... macroblock decision algorithm (high quality mode) (from 0 to 2) (default simple)
simple 0 E..V....... use mbcmp
bits 1 E..V....... use fewest bits
rd 2 E..V....... use best rate distortion
-rc_init_occupancy <int> E..V....... number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default 0)
-threads <int> ED.VA...... set the number of threads (from 0 to INT_MAX) (default 1)
auto 0 ED.V....... autodetect a suitable number of threads to use
-dc <int> E..V....... intra_dc_precision (from -8 to 16) (default 0)
-nssew <int> E..V....... nsse weight (from INT_MIN to INT_MAX) (default 8)
-skip_top <int> .D.V....... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0)
-skip_bottom <int> .D.V....... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0)
-profile <int> E..VA...... (from INT_MIN to INT_MAX) (default unknown)
unknown -99 E..VA......
main10 2 E..V.......
-level <int> E..VA...... (from INT_MIN to INT_MAX) (default unknown)
unknown -99 E..VA......
-lowres <int> .D.VA...... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0)
-cmp <int> E..V....... full-pel ME compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-subcmp <int> E..V....... sub-pel ME compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-mbcmp <int> E..V....... macroblock compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-ildctcmp <int> E..V....... interlaced DCT compare function (from INT_MIN to INT_MAX) (default vsad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-precmp <int> E..V....... pre motion estimation compare function (from INT_MIN to INT_MAX) (default sad)
sad 0 E..V....... sum of absolute differences, fast
sse 1 E..V....... sum of squared errors
satd 2 E..V....... sum of absolute Hadamard transformed differences
dct 3 E..V....... sum of absolute DCT transformed differences
psnr 4 E..V....... sum of squared quantization errors (avoid, low quality)
bit 5 E..V....... number of bits needed for the block
rd 6 E..V....... rate distortion optimal, slow
zero 7 E..V....... 0
vsad 8 E..V....... sum of absolute vertical differences
vsse 9 E..V....... sum of squared vertical differences
nsse 10 E..V....... noise preserving sum of squared differences
w53 11 E..V....... 5/3 wavelet, only used in snow
w97 12 E..V....... 9/7 wavelet, only used in snow
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... sum of absolute differences, median predicted
-mblmin <int> E..V....... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236)
-mblmax <int> E..V....... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658)
-skip_loop_filter <int> .D.V....... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nokey 32 .D.V....... discard all frames except keyframes
nointra 24 .D.V....... discard all frames except I frames
all 48 .D.V....... discard all frames
-skip_idct <int> .D.V....... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nokey 32 .D.V....... discard all frames except keyframes
nointra 24 .D.V....... discard all frames except I frames
all 48 .D.V....... discard all frames
-skip_frame <int> .D.V....... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nokey 32 .D.V....... discard all frames except keyframes
nointra 24 .D.V....... discard all frames except I frames
all 48 .D.V....... discard all frames
-bidir_refine <int> E..V....... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1)
-keyint_min <int> E..V....... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25)
-refs <int> E..V....... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1)
-trellis <int> E..VA...... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0)
-mv0_threshold <int> E..V....... (from 0 to INT_MAX) (default 256)
-compression_level <int> E..VA...... (from INT_MIN to INT_MAX) (default -1)
-ch_layout <channel_layout> ED..A......
-channel_layout <channel_layout> ED..A...... (default 0x0)
-request_channel_layout <channel_layout> .D..A...... (default 0x0)
-rc_max_vbv_use <float> E..V....... (from 0 to FLT_MAX) (default 0)
-rc_min_vbv_use <float> E..V....... (from 0 to FLT_MAX) (default 3)
-ticks_per_frame <int> ED.VA...... (from 1 to INT_MAX) (default 1)
-color_primaries <int> ED.V....... color primaries (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
bt470m 4 ED.V....... BT.470 M
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
film 8 ED.V....... Film
bt2020 9 ED.V....... BT.2020
smpte428 10 ED.V....... SMPTE 428-1
smpte428_1 10 ED.V....... SMPTE 428-1
smpte431 11 ED.V....... SMPTE 431-2
smpte432 12 ED.V....... SMPTE 422-1
jedec-p22 22 ED.V....... JEDEC P22
ebu3213 22 ED.V....... EBU 3213-E
unspecified 2 ED.V....... Unspecified
-color_trc <int> ED.V....... color transfer characteristics (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
gamma22 4 ED.V....... BT.470 M
gamma28 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
linear 8 ED.V....... Linear
log100 9 ED.V....... Log
log316 10 ED.V....... Log square root
iec61966-2-4 11 ED.V....... IEC 61966-2-4
bt1361e 12 ED.V....... BT.1361
iec61966-2-1 13 ED.V....... IEC 61966-2-1
bt2020-10 14 ED.V....... BT.2020 - 10 bit
bt2020-12 15 ED.V....... BT.2020 - 12 bit
smpte2084 16 ED.V....... SMPTE 2084
smpte428 17 ED.V....... SMPTE 428-1
arib-std-b67 18 ED.V....... ARIB STD-B67
unspecified 2 ED.V....... Unspecified
log 9 ED.V....... Log
log_sqrt 10 ED.V....... Log square root
iec61966_2_4 11 ED.V....... IEC 61966-2-4
bt1361 12 ED.V....... BT.1361
iec61966_2_1 13 ED.V....... IEC 61966-2-1
bt2020_10bit 14 ED.V....... BT.2020 - 10 bit
bt2020_12bit 15 ED.V....... BT.2020 - 12 bit
smpte428_1 17 ED.V....... SMPTE 428-1
-colorspace <int> ED.V....... color space (from 0 to INT_MAX) (default unknown)
rgb 0 ED.V....... RGB
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
fcc 4 ED.V....... FCC
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
ycgco 8 ED.V....... YCGCO
bt2020nc 9 ED.V....... BT.2020 NCL
bt2020c 10 ED.V....... BT.2020 CL
smpte2085 11 ED.V....... SMPTE 2085
chroma-derived-nc 12 ED.V....... Chroma-derived NCL
chroma-derived-c 13 ED.V....... Chroma-derived CL
ictcp 14 ED.V....... ICtCp
unspecified 2 ED.V....... Unspecified
ycocg 8 ED.V....... YCGCO
bt2020_ncl 9 ED.V....... BT.2020 NCL
bt2020_cl 10 ED.V....... BT.2020 CL
-color_range <int> ED.V....... color range (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
tv 1 ED.V....... MPEG (219*2^(n-8))
pc 2 ED.V....... JPEG (2^n-1)
unspecified 0 ED.V....... Unspecified
mpeg 1 ED.V....... MPEG (219*2^(n-8))
jpeg 2 ED.V....... JPEG (2^n-1)
-chroma_sample_location <int> ED.V....... chroma sample location (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
left 1 ED.V....... Left
center 2 ED.V....... Center
topleft 3 ED.V....... Top-left
top 4 ED.V....... Top
bottomleft 5 ED.V....... Bottom-left
bottom 6 ED.V....... Bottom
unspecified 0 ED.V....... Unspecified
-slices <int> E..V....... set the number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0)
-thread_type <flags> ED.VA...... select multithreading type (default slice+frame)
slice ED.V.......
frame ED.V.......
-audio_service_type <int> E...A...... audio service type (from 0 to 8) (default ma)
ma 0 E...A...... Main Audio Service
ef 1 E...A...... Effects
vi 2 E...A...... Visually Impaired
hi 3 E...A...... Hearing Impaired
di 4 E...A...... Dialogue
co 5 E...A...... Commentary
em 6 E...A...... Emergency
vo 7 E...A...... Voice Over
ka 8 E...A...... Karaoke
-request_sample_fmt <sample_fmt> .D..A...... sample format audio decoders should prefer (default none)
-sub_charenc <string> .D...S..... set input text subtitles character encoding
-sub_charenc_mode <flags> .D...S..... set input text subtitles character encoding mode (default 0)
do_nothing .D...S.....
auto .D...S.....
pre_decoder .D...S.....
ignore .D...S.....
-sub_text_format <int> .D...S....P Deprecated, does nothing (from 0 to 1) (default ass)
ass 0 .D...S.....
-apply_cropping <boolean> .D.V....... (default true)
-skip_alpha <boolean> .D.V....... Skip processing alpha (default false)
-field_order <int> ED.V....... Field order (from 0 to 5) (default 0)
progressive 1 ED.V.......
tt 2 ED.V.......
bb 3 ED.V.......
tb 4 ED.V.......
bt 5 ED.V.......
-dump_separator <string> ED.VAS..... set information dump field separator
-codec_whitelist <string> .D.VAS..... List of decoders that are allowed to be used
-max_pixels <int64> ED.VAS..... Maximum number of pixels (from 0 to INT_MAX) (default INT_MAX)
-max_samples <int64> ED..A...... Maximum number of samples (from 0 to INT_MAX) (default INT_MAX)
-hwaccel_flags <flags> .D.V....... (default ignore_level)
ignore_level .D.V....... ignore level even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver
allow_high_depth .D.V....... allow to output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component
allow_profile_mismatch .D.V....... attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream
-extra_hw_frames <int> .D.V....... Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1)
-discard_damaged_percentage <int> .D.V....... Percentage of damaged samples to discard a frame (from 0 to 100) (default 95)
amv encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-huffman <int> E..V....... Huffman table strategy (from 0 to 1) (default optimal)
default 0 E..V.......
optimal 1 E..V.......
-force_duplicated_matrix <boolean> E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
(A)PNG encoder AVOptions:
-dpi <int> E..V....... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
-dpm <int> E..V....... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
-pred <int> E..V....... Prediction method (from 0 to 5) (default none)
none 0 E..V.......
sub 1 E..V.......
up 2 E..V.......
avg 3 E..V.......
paeth 4 E..V.......
mixed 5 E..V.......
cfhd AVOptions:
-quality <int> E..V....... set quality (from 0 to 12) (default film3+)
film3+ 0 E..V.......
film3 1 E..V.......
film2+ 2 E..V.......
film2 3 E..V.......
film1.5 4 E..V.......
film1+ 5 E..V.......
film1 6 E..V.......
high+ 7 E..V.......
high 8 E..V.......
medium+ 9 E..V.......
medium 10 E..V.......
low+ 11 E..V.......
low 12 E..V.......
cinepak AVOptions:
-max_extra_cb_iterations <int> E..V....... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2)
-skip_empty_cb <boolean> E..V....... Avoid wasting bytes, ignore vintage MacOS decoder (default false)
-max_strips <int> E..V....... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3)
-min_strips <int> E..V....... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1)
-strip_number_adaptivity <int> E..V....... How fast the strip number adapts, more is slightly better, much slower (from 0 to 31) (default 0)
cljr encoder AVOptions:
-dither_type <int> E..V....... Dither type (from 0 to 2) (default 1)
dnxhd AVOptions:
-nitris_compat <boolean> E..V....... encode with Avid Nitris compatibility (default false)
-ibias <int> E..V....... intra quant bias (from INT_MIN to INT_MAX) (default 0)
-profile <int> E..V....... (from 0 to 5) (default dnxhd)
dnxhd 0 E..V.......
dnxhr_444 5 E..V.......
dnxhr_hqx 4 E..V.......
dnxhr_hq 3 E..V.......
dnxhr_sq 2 E..V.......
dnxhr_lb 1 E..V.......
dvvideo encoder AVOptions:
-quant_deadzone <int> E..V....... Quantizer dead zone (from 0 to 1024) (default 7)
exr AVOptions:
-compression <int> E..V....... set compression type (from 0 to 3) (default none)
none 0 E..V....... none
rle 1 E..V....... RLE
zip1 2 E..V....... ZIP1
zip16 3 E..V....... ZIP16
-format <int> E..V....... set pixel type (from 1 to 2) (default float)
half 1 E..V.......
float 2 E..V.......
-gamma <float> E..V....... set gamma (from 0.001 to FLT_MAX) (default 1)
ffv1 encoder AVOptions:
-slicecrc <boolean> E..V....... Protect slices with CRCs (default auto)
-coder <int> E..V....... Coder type (from -2 to 2) (default rice)
rice 0 E..V....... Golomb rice
range_def -2 E..V....... Range with default table
range_tab 2 E..V....... Range with custom table
ac 1 E..V....... Range with custom table (the ac option exists for compatibility and is deprecated)
-context <int> E..V....... Context model (from 0 to 1) (default 0)
ffvhuff AVOptions:
-non_deterministic <boolean> E..V....... Allow multithreading for e.g. context=1 at the expense of determinism (default false)
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......
-context <int> E..V....... Set per-frame huffman tables (from 0 to 1) (default 0)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
GIF encoder AVOptions:
-gifflags <flags> E..V....... set GIF flags (default offsetting+transdiff)
offsetting E..V....... enable picture offsetting
transdiff E..V....... enable transparency detection between frames
-gifimage <boolean> E..V....... enable encoding only images per frame (default false)
-global_palette <boolean> E..V....... write a palette to the global gif header where feasible (default true)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
H.263 encoder AVOptions:
-obmc <boolean> E..V....... use overlapped block motion compensation. (default false)
-mb_info <int> E..V....... emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size (from 0 to INT_MAX) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
H.263p encoder AVOptions:
-umv <boolean> E..V....... Use unlimited motion vectors. (default false)
-aiv <boolean> E..V....... Use alternative inter VLC. (default false)
-obmc <boolean> E..V....... use overlapped block motion compensation. (default false)
-structured_slices <boolean> E..V....... Write slice start position at every GOB header instead of just GOB number. (default false)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
Hap encoder AVOptions:
-format <int> E..V....... (from 11 to 15) (default hap)
hap 11 E..V....... Hap 1 (DXT1 textures)
hap_alpha 14 E..V....... Hap Alpha (DXT5 textures)
hap_q 15 E..V....... Hap Q (DXT5-YCoCg textures)
-chunks <int> E..V....... chunk count (from 1 to 64) (default 1)
-compressor <int> E..V....... second-stage compressor (from 160 to 176) (default snappy)
none 160 E..V....... None
snappy 176 E..V....... Snappy
huffyuv AVOptions:
-non_deterministic <boolean> E..V....... Allow multithreading for e.g. context=1 at the expense of determinism (default false)
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......
jpeg 2000 encoder AVOptions:
-format <int> E..V....... Codec Format (from 0 to 1) (default jp2)
j2k 0 E..V.......
jp2 1 E..V.......
-tile_width <int> E..V....... Tile Width (from 1 to 1.07374e+09) (default 256)
-tile_height <int> E..V....... Tile Height (from 1 to 1.07374e+09) (default 256)
-pred <int> E..V....... DWT Type (from 0 to 1) (default dwt97int)
dwt97int 0 E..V.......
dwt53 0 E..V.......
-sop <int> E..V....... SOP marker (from 0 to 1) (default 0)
-eph <int> E..V....... EPH marker (from 0 to 1) (default 0)
-prog <int> E..V....... Progression Order (from 0 to 4) (default lrcp)
lrcp 0 E..V.......
rlcp 1 E..V.......
rpcl 2 E..V.......
pcrl 3 E..V.......
cprl 4 E..V.......
-layer_rates <string> E..V....... Layer Rates
jpegls AVOptions:
-pred <int> E..V....... Prediction method (from 0 to 2) (default left)
left 0 E..V.......
plane 1 E..V.......
median 2 E..V.......
ljpeg AVOptions:
-pred <int> E..V....... Prediction method (from 1 to 3) (default left)
left 1 E..V.......
plane 2 E..V.......
median 3 E..V.......
magicyuv AVOptions:
-pred <int> E..V....... Prediction method (from 1 to 3) (default left)
left 1 E..V.......
gradient 2 E..V.......
median 3 E..V.......
mjpeg encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-huffman <int> E..V....... Huffman table strategy (from 0 to 1) (default optimal)
default 0 E..V.......
optimal 1 E..V.......
-force_duplicated_matrix <boolean> E..V....... Always write luma and chroma matrix for mjpeg, useful for rtp streaming. (default false)
mpeg1video encoder AVOptions:
-gop_timecode <string> E..V....... MPEG GOP Timecode in hh:mm:ss[:;.]ff format. Overrides timecode_frame_start.
-drop_frame_timecode <boolean> E..V....... Timecode is in drop frame format. (default false)
-scan_offset <boolean> E..V....... Reserve space for SVCD scan offset user data. (default false)
-timecode_frame_start <int64> E..V....... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
mpeg2video encoder AVOptions:
-gop_timecode <string> E..V....... MPEG GOP Timecode in hh:mm:ss[:;.]ff format. Overrides timecode_frame_start.
-drop_frame_timecode <boolean> E..V....... Timecode is in drop frame format. (default false)
-scan_offset <boolean> E..V....... Reserve space for SVCD scan offset user data. (default false)
-timecode_frame_start <int64> E..V....... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-intra_vlc <boolean> E..V....... Use MPEG-2 intra VLC table. (default false)
-non_linear_quant <boolean> E..V....... Use nonlinear quantizer. (default false)
-alternate_scan <boolean> E..V....... Enable alternate scantable. (default false)
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-seq_disp_ext <int> E..V....... Write sequence_display_extension blocks. (from -1 to 1) (default auto)
auto -1 E..V.......
never 0 E..V.......
always 1 E..V.......
-video_format <int> E..V....... Video_format in the sequence_display_extension indicating the source of the video. (from 0 to 7) (default unspecified)
component 0 E..V.......
pal 1 E..V.......
ntsc 2 E..V.......
secam 3 E..V.......
mac 4 E..V.......
unspecified 5 E..V.......
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
MPEG4 encoder AVOptions:
-data_partitioning <boolean> E..V....... Use data partitioning. (default false)
-alternate_scan <boolean> E..V....... Enable alternate scantable. (default false)
-mpeg_quant <int> E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-b_sensitivity <int> E..V....... Adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
-brd_scale <int> E..V....... Downscale frames for dynamic B-frame decision (from 0 to 3) (default 0)
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
(A)PNG encoder AVOptions:
-dpi <int> E..V....... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
-dpm <int> E..V....... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
-pred <int> E..V....... Prediction method (from 0 to 5) (default none)
none 0 E..V.......
sub 1 E..V.......
up 2 E..V.......
avg 3 E..V.......
paeth 4 E..V.......
mixed 5 E..V.......
ProRes encoder AVOptions:
-vendor <string> E..V....... vendor ID (default "fmpg")
ProRes encoder AVOptions:
-vendor <string> E..V....... vendor ID (default "fmpg")
ProRes encoder AVOptions:
-mbs_per_slice <int> E..V....... macroblocks per slice (from 1 to 8) (default 8)
-profile <int> E..V....... (from -1 to 5) (default auto)
auto -1 E..V.......
proxy 0 E..V.......
lt 1 E..V.......
standard 2 E..V.......
hq 3 E..V.......
4444 4 E..V.......
4444xq 5 E..V.......
-vendor <string> E..V....... vendor ID (default "Lavc")
-bits_per_mb <int> E..V....... desired bits per macroblock (from 0 to 8192) (default 0)
-quant_mat <int> E..V....... quantiser matrix (from -1 to 6) (default auto)
auto -1 E..V.......
proxy 0 E..V.......
lt 2 E..V.......
standard 3 E..V.......
hq 4 E..V.......
default 6 E..V.......
-alpha_bits <int> E..V....... bits for alpha plane (from 0 to 16) (default 16)
RoQ AVOptions:
-quake3_compat <boolean> E..V....... Whether to respect known limitations in Quake 3 decoder (default true)
rpza AVOptions:
-skip_frame_thresh <int> E..V....... (from 0 to 24) (default 1)
-start_one_color_thresh <int> E..V....... (from 0 to 24) (default 1)
-continue_one_color_thresh <int> E..V....... (from 0 to 24) (default 0)
-sixteen_color_thresh <int> E..V....... (from 0 to 24) (default 1)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
sgi AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)
snow encoder AVOptions:
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 3) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
iter 3 E..V.......
-memc_only <boolean> E..V....... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (default false)
-no_bitstream <boolean> E..V....... Skip final bitstream writeout. (default false)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decission (from 0 to INT_MAX) (default 0)
-iterative_dia_size <int> E..V....... Dia size for the iterative ME (from 0 to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-pred <int> E..V....... Spatial decomposition type (from 0 to 1) (default dwt97)
dwt97 0 E..V.......
dwt53 1 E..V.......
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
sunrast AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)
svq1enc AVOptions:
-motion-est <int> E..V....... Motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
targa AVOptions:
-rle <int> E..V....... Use run-length compression (from 0 to 1) (default 1)
TIFF encoder AVOptions:
-dpi <int> E..V....... set the image resolution (in dpi) (from 1 to 65536) (default 72)
-compression_algo <int> E..V....... (from 1 to 32946) (default packbits)
packbits 32773 E..V.......
raw 1 E..V.......
lzw 5 E..V.......
deflate 32946 E..V.......
utvideo AVOptions:
-pred <int> E..V....... Prediction method (from 0 to 3) (default left)
none 0 E..V.......
left 1 E..V.......
gradient 2 E..V.......
median 3 E..V.......
VBN encoder AVOptions:
-format <int> E..V....... Texture format (from 0 to 3) (default dxt5)
raw 0 E..V....... RAW texture
dxt1 2 E..V....... DXT1 texture
dxt5 3 E..V....... DXT5 texture
SMPTE VC-2 encoder AVOptions:
-tolerance <double> E..V....... Max undershoot in percent (from 0 to 45) (default 5)
-slice_width <int> E..V....... Slice width (from 32 to 1024) (default 32)
-slice_height <int> E..V....... Slice height (from 8 to 1024) (default 16)
-wavelet_depth <int> E..V....... Transform depth (from 1 to 5) (default 4)
-wavelet_type <int> E..V....... Transform type (from 0 to 7) (default 9_7)
9_7 0 E..V....... Deslauriers-Dubuc (9,7)
5_3 1 E..V....... LeGall (5,3)
haar 4 E..V....... Haar (with shift)
haar_noshift 3 E..V....... Haar (without shift)
-qm <int> E..V....... Custom quantization matrix (from 0 to 3) (default default)
default 0 E..V....... Default from the specifications
color 1 E..V....... Prevents low bitrate discoloration
flat 2 E..V....... Optimize for PSNR
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
generic mpegvideo encoder AVOptions:
-mpv_flags <flags> E..V....... Flags common for all mpegvideo-based encoders. (default 0)
skip_rd E..V....... RD optimal MB level residual skipping
strict_gop E..V....... Strictly enforce gop size
qp_rd E..V....... Use rate distortion optimization for qp selection
cbp_rd E..V....... use rate distortion optimization for CBP
naq E..V....... normalize adaptive quantization
mv0 E..V....... always try a mb with mv=<0,0>
-luma_elim_threshold <int> E..V....... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-chroma_elim_threshold <int> E..V....... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
-quantizer_noise_shaping <int> E..V....... (from 0 to INT_MAX) (default 0)
-error_rate <int> E..V....... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
-qsquish <float> E..V....... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
-rc_qmod_amp <float> E..V....... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
-rc_qmod_freq <int> E..V....... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
-rc_eq <string> E..V....... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
-rc_init_cplx <float> E..V....... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
-rc_buf_aggressivity <float> E..V....... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
-border_mask <float> E..V....... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
-lmin <int> E..V....... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
-lmax <int> E..V....... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
-skip_threshold <int> E..V....... Frame skip threshold (from INT_MIN to INT_MAX) (default 0)
-skip_factor <int> E..V....... Frame skip factor (from INT_MIN to INT_MAX) (default 0)
-skip_exp <int> E..V....... Frame skip exponent (from INT_MIN to INT_MAX) (default 0)
-skip_cmp <int> E..V....... Frame skip compare function (from INT_MIN to INT_MAX) (default dctmax)
sad 0 E..V....... Sum of absolute differences, fast
sse 1 E..V....... Sum of squared errors
satd 2 E..V....... Sum of absolute Hadamard transformed differences
dct 3 E..V....... Sum of absolute DCT transformed differences
psnr 4 E..V....... Sum of squared quantization errors, low quality
bit 5 E..V....... Number of bits needed for the block
rd 6 E..V....... Rate distortion optimal, slow
zero 7 E..V....... Zero
vsad 8 E..V....... Sum of absolute vertical differences
vsse 9 E..V....... Sum of squared vertical differences
nsse 10 E..V....... Noise preserving sum of squared differences
dct264 14 E..V.......
dctmax 13 E..V.......
chroma 256 E..V.......
msad 15 E..V....... Sum of absolute differences, median predicted
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default 0)
-ps <int> E..V....... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
-motion_est <int> E..V....... motion estimation algorithm (from 0 to 2) (default epzs)
zero 0 E..V.......
epzs 1 E..V.......
xone 2 E..V.......
-mepc <int> E..V....... Motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
-mepre <int> E..V....... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
-intra_penalty <int> E..V....... Penalty for intra blocks in block decision (from 0 to 1.07374e+09) (default 0)
AAC encoder AVOptions:
-aac_coder <int> E...A...... Coding algorithm (from 0 to 2) (default twoloop)
anmr 0 E...A...... ANMR method
twoloop 1 E...A...... Two loop searching method
fast 2 E...A...... Default fast search
-aac_ms <boolean> E...A...... Force M/S stereo coding (default auto)
-aac_is <boolean> E...A...... Intensity stereo coding (default true)
-aac_pns <boolean> E...A...... Perceptual noise substitution (default true)
-aac_tns <boolean> E...A...... Temporal noise shaping (default true)
-aac_ltp <boolean> E...A...... Long term prediction (default false)
-aac_pred <boolean> E...A...... AAC-Main prediction (default false)
-aac_pce <boolean> E...A...... Forces the use of PCEs (default false)
AC-3 Encoder AVOptions:
-center_mixlev <float> E...A...... Center Mix Level (from 0 to 1) (default 0.594604)
-surround_mixlev <float> E...A...... Surround Mix Level (from 0 to 1) (default 0.5)
-mixing_level <int> E...A...... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A...... Room Type (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
large 1 E...A...... Large Room
small 2 E...A...... Small Room
-per_frame_metadata <boolean> E...A...... Allow Changing Metadata Per-Frame (default false)
-copyright <int> E...A...... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A...... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A...... Dolby Surround Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround Encoded
off 1 E...A...... Not Dolby Surround Encoded
-original <int> E...A...... Original Bit Stream (from -1 to 1) (default -1)
-dmix_mode <int> E...A...... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
ltrt 1 E...A...... Lt/Rt Downmix Preferred
loro 2 E...A...... Lo/Ro Downmix Preferred
dplii 3 E...A...... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A...... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A...... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A...... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A...... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A...... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround EX Encoded
off 1 E...A...... Not Dolby Surround EX Encoded
dpliiz 3 E...A...... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A...... Dolby Headphone Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Headphone Encoded
off 1 E...A...... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A...... A/D Converter Type (from -1 to 1) (default -1)
standard 0 E...A...... Standard (default)
hdcd 1 E...A...... HDCD
-stereo_rematrixing <boolean> E...A...... Stereo Rematrixing (default true)
-channel_coupling <int> E...A...... Channel Coupling (from -1 to 1) (default auto)
auto -1 E...A...... Selected by the Encoder
-cpl_start_band <int> E...A...... Coupling Start Band (from -1 to 15) (default auto)
auto -1 E...A...... Selected by the Encoder
AC-3 Encoder AVOptions:
-center_mixlev <float> E...A...... Center Mix Level (from 0 to 1) (default 0.594604)
-surround_mixlev <float> E...A...... Surround Mix Level (from 0 to 1) (default 0.5)
-mixing_level <int> E...A...... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A...... Room Type (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
large 1 E...A...... Large Room
small 2 E...A...... Small Room
-per_frame_metadata <boolean> E...A...... Allow Changing Metadata Per-Frame (default false)
-copyright <int> E...A...... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A...... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A...... Dolby Surround Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround Encoded
off 1 E...A...... Not Dolby Surround Encoded
-original <int> E...A...... Original Bit Stream (from -1 to 1) (default -1)
-dmix_mode <int> E...A...... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
ltrt 1 E...A...... Lt/Rt Downmix Preferred
loro 2 E...A...... Lo/Ro Downmix Preferred
dplii 3 E...A...... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A...... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A...... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A...... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A...... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A...... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround EX Encoded
off 1 E...A...... Not Dolby Surround EX Encoded
dpliiz 3 E...A...... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A...... Dolby Headphone Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Headphone Encoded
off 1 E...A...... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A...... A/D Converter Type (from -1 to 1) (default -1)
standard 0 E...A...... Standard (default)
hdcd 1 E...A...... HDCD
-stereo_rematrixing <boolean> E...A...... Stereo Rematrixing (default true)
-channel_coupling <int> E...A...... Channel Coupling (from -1 to 1) (default auto)
auto -1 E...A...... Selected by the Encoder
-cpl_start_band <int> E...A...... Coupling Start Band (from -1 to 15) (default auto)
auto -1 E...A...... Selected by the Encoder
alacenc AVOptions:
-min_prediction_order <int> E...A...... (from 1 to 30) (default 4)
-max_prediction_order <int> E...A...... (from 1 to 30) (default 6)
DCA (DTS Coherent Acoustics) AVOptions:
-dca_adpcm <boolean> E...A...... Use ADPCM encoding (default false)
E-AC-3 Encoder AVOptions:
-mixing_level <int> E...A...... Mixing Level (from -1 to 111) (default -1)
-room_type <int> E...A...... Room Type (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
large 1 E...A...... Large Room
small 2 E...A...... Small Room
-per_frame_metadata <boolean> E...A...... Allow Changing Metadata Per-Frame (default false)
-copyright <int> E...A...... Copyright Bit (from -1 to 1) (default -1)
-dialnorm <int> E...A...... Dialogue Level (dB) (from -31 to -1) (default -31)
-dsur_mode <int> E...A...... Dolby Surround Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround Encoded
off 1 E...A...... Not Dolby Surround Encoded
-original <int> E...A...... Original Bit Stream (from -1 to 1) (default -1)
-dmix_mode <int> E...A...... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
ltrt 1 E...A...... Lt/Rt Downmix Preferred
loro 2 E...A...... Lo/Ro Downmix Preferred
dplii 3 E...A...... Dolby Pro Logic II Downmix Preferred
-ltrt_cmixlev <float> E...A...... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
-ltrt_surmixlev <float> E...A...... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
-loro_cmixlev <float> E...A...... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
-loro_surmixlev <float> E...A...... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
-dsurex_mode <int> E...A...... Dolby Surround EX Mode (from -1 to 3) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Surround EX Encoded
off 1 E...A...... Not Dolby Surround EX Encoded
dpliiz 3 E...A...... Dolby Pro Logic IIz-encoded
-dheadphone_mode <int> E...A...... Dolby Headphone Mode (from -1 to 2) (default -1)
notindicated 0 E...A...... Not Indicated (default)
on 2 E...A...... Dolby Headphone Encoded
off 1 E...A...... Not Dolby Headphone Encoded
-ad_conv_type <int> E...A...... A/D Converter Type (from -1 to 1) (default -1)
standard 0 E...A...... Standard (default)
hdcd 1 E...A...... HDCD
-stereo_rematrixing <boolean> E...A...... Stereo Rematrixing (default true)
-channel_coupling <int> E...A...... Channel Coupling (from -1 to 1) (default auto)
auto -1 E...A...... Selected by the Encoder
-cpl_start_band <int> E...A...... Coupling Start Band (from -1 to 15) (default auto)
auto -1 E...A...... Selected by the Encoder
FLAC encoder AVOptions:
-lpc_coeff_precision <int> E...A...... LPC coefficient precision (from 0 to 15) (default 15)
-lpc_type <int> E...A...... LPC algorithm (from -1 to 3) (default -1)
none 0 E...A......
fixed 1 E...A......
levinson 2 E...A......
cholesky 3 E...A......
-lpc_passes <int> E...A...... Number of passes to use for Cholesky factorization during LPC analysis (from 1 to INT_MAX) (default 2)
-min_partition_order <int> E...A...... (from -1 to 8) (default -1)
-max_partition_order <int> E...A...... (from -1 to 8) (default -1)
-prediction_order_method <int> E...A...... Search method for selecting prediction order (from -1 to 5) (default -1)
estimation 0 E...A......
2level 1 E...A......
4level 2 E...A......
8level 3 E...A......
search 4 E...A......
log 5 E...A......
-ch_mode <int> E...A...... Stereo decorrelation mode (from -1 to 3) (default auto)
auto -1 E...A......
indep 0 E...A......
left_side 1 E...A......
right_side 2 E...A......
mid_side 3 E...A......
-exact_rice_parameters <boolean> E...A...... Calculate rice parameters exactly (default false)
-multi_dim_quant <boolean> E...A...... Multi-dimensional quantization (default false)
-min_prediction_order <int> E...A...... (from -1 to 32) (default -1)
-max_prediction_order <int> E...A...... (from -1 to 32) (default -1)
Opus encoder AVOptions:
-opus_delay <float> E...A...... Maximum delay in milliseconds (from 2.5 to 360) (default 360)
-apply_phase_inv <boolean> E...A...... Apply intensity stereo phase inversion (default true)
sbc encoder AVOptions:
-sbc_delay <duration> E...A...... set maximum algorithmic latency (default 0.013)
-msbc <boolean> E...A...... use mSBC mode (wideband speech mono SBC) (default false)
WavPack encoder AVOptions:
-joint_stereo <boolean> E...A...... (default auto)
-optimize_mono <boolean> E...A...... (default false)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
g726 AVOptions:
-code_size <int> E...A...... Bits per code (from 2 to 5) (default 4)
g726 AVOptions:
-code_size <int> E...A...... Bits per code (from 2 to 5) (default 4)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
ADPCM encoder AVOptions:
-block_size <int> E...A...... set the block size (from 32 to 8192) (default 1024)
VOBSUB subtitle encoder AVOptions:
-palette <string> E....S..... set the global palette
-even_rows_fix <boolean> E....S..... Make number of rows even (workaround for some players) (default false)
MOV text enoder AVOptions:
-height <int> E....S..... Frame height, usually video height (from 0 to INT_MAX) (default 0)
libaom-av1 encoder AVOptions:
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from 0 to 8) (default 1)
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1)
-lag-in-frames <int> E..V....... Number of frames to look ahead at for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-max-frames <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to 6) (default -1)
-aq-mode <int> E..V....... adaptive quantization mode (from -1 to 4) (default -1)
none 0 E..V....... Aq not used
variance 1 E..V....... Variance based Aq
complexity 2 E..V....... Complexity based Aq
cyclic 3 E..V....... Cyclic Refresh Aq
-error-resilience <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-denoise-noise-level <int> E..V....... Amount of noise to be removed (from -1 to INT_MAX) (default -1)
-denoise-block-size <int> E..V....... Denoise block size (from -1 to INT_MAX) (default -1)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-minsection-pct <int> E..V....... GOP min bitrate (% of target) (from -1 to 100) (default -1)
-maxsection-pct <int> E..V....... GOP max bitrate (% of target) (from -1 to 5000) (default -1)
-frame-parallel <boolean> E..V....... Enable frame parallel decodability features (default auto)
-tiles <image_size> E..V....... Tile columns x rows
-tile-columns <int> E..V....... Log2 of number of tile columns to use (from -1 to 6) (default -1)
-tile-rows <int> E..V....... Log2 of number of tile rows to use (from -1 to 6) (default -1)
-row-mt <boolean> E..V....... Enable row based multi-threading (default auto)
-enable-cdef <boolean> E..V....... Enable CDEF filtering (default auto)
-enable-global-motion <boolean> E..V....... Enable global motion (default auto)
-enable-intrabc <boolean> E..V....... Enable intra block copy prediction mode (default auto)
-enable-restoration <boolean> E..V....... Enable Loop Restoration filtering (default auto)
-usage <int> E..V....... Quality and compression efficiency vs speed trade-off (from 0 to INT_MAX) (default good)
good 0 E..V....... Good quality
realtime 1 E..V....... Realtime encoding
allintra 2 E..V....... All Intra encoding
-tune <int> E..V....... The metric that the encoder tunes for. Automatically chosen by the encoder by default (from -1 to 1) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-still-picture <boolean> E..V....... Encode in single frame mode (typically used for still AVIF images). (default false)
-enable-rect-partitions <boolean> E..V....... Enable rectangular partitions (default auto)
-enable-1to4-partitions <boolean> E..V....... Enable 1:4/4:1 partitions (default auto)
-enable-ab-partitions <boolean> E..V....... Enable ab shape partitions (default auto)
-enable-angle-delta <boolean> E..V....... Enable angle delta intra prediction (default auto)
-enable-cfl-intra <boolean> E..V....... Enable chroma predicted from luma intra prediction (default auto)
-enable-filter-intra <boolean> E..V....... Enable filter intra predictor (default auto)
-enable-intra-edge-filter <boolean> E..V....... Enable intra edge filter (default auto)
-enable-smooth-intra <boolean> E..V....... Enable smooth intra prediction mode (default auto)
-enable-paeth-intra <boolean> E..V....... Enable paeth predictor in intra prediction (default auto)
-enable-palette <boolean> E..V....... Enable palette prediction mode (default auto)
-enable-flip-idtx <boolean> E..V....... Enable extended transform type (default auto)
-enable-tx64 <boolean> E..V....... Enable 64-pt transform (default auto)
-reduced-tx-type-set <boolean> E..V....... Use reduced set of transform types (default auto)
-use-intra-dct-only <boolean> E..V....... Use DCT only for INTRA modes (default auto)
-use-inter-dct-only <boolean> E..V....... Use DCT only for INTER modes (default auto)
-use-intra-default-tx-only <boolean> E..V....... Use default-transform only for INTRA modes (default auto)
-enable-ref-frame-mvs <boolean> E..V....... Enable temporal mv prediction (default auto)
-enable-reduced-reference-set <boolean> E..V....... Use reduced set of single and compound references (default auto)
-enable-obmc <boolean> E..V....... Enable obmc (default auto)
-enable-dual-filter <boolean> E..V....... Enable dual filter (default auto)
-enable-diff-wtd-comp <boolean> E..V....... Enable difference-weighted compound (default auto)
-enable-dist-wtd-comp <boolean> E..V....... Enable distance-weighted compound (default auto)
-enable-onesided-comp <boolean> E..V....... Enable one sided compound (default auto)
-enable-interinter-wedge <boolean> E..V....... Enable interinter wedge compound (default auto)
-enable-interintra-wedge <boolean> E..V....... Enable interintra wedge compound (default auto)
-enable-masked-comp <boolean> E..V....... Enable masked compound (default auto)
-enable-interintra-comp <boolean> E..V....... Enable interintra compound (default auto)
-enable-smooth-interintra <boolean> E..V....... Enable smooth interintra mode (default auto)
-aom-params <dictionary> E..V....... Set libaom options using a :-separated list of key=value pairs
libcodec2 encoder AVOptions:
-mode <int> E...A...... codec2 mode (from 0 to 8) (default 1300)
3200 0 E...A...... 3200
2400 1 E...A...... 2400
1600 2 E...A...... 1600
1400 3 E...A...... 1400
1300 4 E...A...... 1300
1200 5 E...A...... 1200
700 6 E...A...... 700
700B 7 E...A...... 700B
700C 8 E...A...... 700C
libfdk_aac AVOptions:
-afterburner <int> E...A...... Afterburner (improved quality) (from 0 to 1) (default 1)
-eld_sbr <int> E...A...... Enable SBR for ELD (for SBR in other configurations, use the -profile parameter) (from 0 to 1) (default 0)
-eld_v2 <int> E...A...... Enable ELDv2 (LD-MPS extension for ELD stereo signals) (from 0 to 1) (default 0)
-signaling <int> E...A...... SBR/PS signaling style (from -1 to 2) (default default)
default -1 E...A...... Choose signaling implicitly (explicit hierarchical by default, implicit if global header is disabled)
implicit 0 E...A...... Implicit backwards compatible signaling
explicit_sbr 1 E...A...... Explicit SBR, implicit PS signaling
explicit_hierarchical 2 E...A...... Explicit hierarchical signaling
-latm <int> E...A...... Output LATM/LOAS encapsulated data (from 0 to 1) (default 0)
-header_period <int> E...A...... StreamMuxConfig and PCE repetition period (in frames) (from 0 to 65535) (default 0)
-vbr <int> E...A...... VBR mode (1-5) (from 0 to 5) (default 0)
libilbc AVOptions:
-mode <int> E...A...... iLBC mode (20 or 30 ms frames) (from 20 to 30) (default 20)
libjxl AVOptions:
-effort <int> E..V....... Encoding effort (from 1 to 9) (default 7)
-distance <float> E..V....... Maximum Butteraugli distance (quality setting, lower = better, zero = lossless, default 1.0) (from -1 to 15) (default -1)
-modular <int> E..V....... Force modular mode (from 0 to 1) (default 0)
libmp3lame encoder AVOptions:
-reservoir <boolean> E...A...... use bit reservoir (default true)
-joint_stereo <boolean> E...A...... use joint stereo (default true)
-abr <boolean> E...A...... use ABR (default false)
libopencore_amrnb AVOptions:
-dtx <int> E...A...... Allow DTX (generate comfort noise) (from 0 to 1) (default 0)
libopenjpeg AVOptions:
-format <int> E..V....... Codec Format (from 0 to 2) (default jp2)
j2k 0 E..V.......
jp2 2 E..V.......
-profile <int> E..V....... (from 0 to 4) (default jpeg2000)
jpeg2000 0 E..V.......
cinema2k 3 E..V.......
cinema4k 4 E..V.......
-cinema_mode <int> E..V....... Digital Cinema (from 0 to 3) (default off)
off 0 E..V.......
2k_24 1 E..V.......
2k_48 2 E..V.......
4k_24 3 E..V.......
-prog_order <int> E..V....... Progression Order (from 0 to 4) (default lrcp)
lrcp 0 E..V.......
rlcp 1 E..V.......
rpcl 2 E..V.......
pcrl 3 E..V.......
cprl 4 E..V.......
-numresolution <int> E..V....... (from 0 to 33) (default 6)
-irreversible <int> E..V....... (from 0 to 1) (default 0)
-disto_alloc <int> E..V....... (from 0 to 1) (default 1)
-fixed_quality <int> E..V....... (from 0 to 1) (default 0)
libopus AVOptions:
-application <int> E...A...... Intended application type (from 2048 to 2051) (default audio)
voip 2048 E...A...... Favor improved speech intelligibility
audio 2049 E...A...... Favor faithfulness to the input
lowdelay 2051 E...A...... Restrict to only the lowest delay modes
-frame_duration <float> E...A...... Duration of a frame in milliseconds (from 2.5 to 120) (default 20)
-packet_loss <int> E...A...... Expected packet loss percentage (from 0 to 100) (default 0)
-fec <boolean> E...A...... Enable inband FEC. Expected packet loss must be non-zero (default false)
-vbr <int> E...A...... Variable bit rate mode (from 0 to 2) (default on)
off 0 E...A...... Use constant bit rate
on 1 E...A...... Use variable bit rate
constrained 2 E...A...... Use constrained VBR
-mapping_family <int> E...A...... Channel Mapping Family (from -1 to 255) (default -1)
-apply_phase_inv <boolean> E...A...... Apply intensity stereo phase inversion (default true)
librav1e AVOptions:
-qp <int> E..V....... use constant quantizer mode (from -1 to 255) (default -1)
-speed <int> E..V....... what speed preset to use (from -1 to 10) (default -1)
-tiles <int> E..V....... number of tiles encode with (from -1 to I64_MAX) (default 0)
-tile-rows <int> E..V....... number of tiles rows to encode with (from -1 to I64_MAX) (default 0)
-tile-columns <int> E..V....... number of tiles columns to encode with (from -1 to I64_MAX) (default 0)
-rav1e-params <dictionary> E..V....... set the rav1e configuration using a :-separated list of key=value parameters
libspeex AVOptions:
-abr <int> E...A...... Use average bit rate (from 0 to 1) (default 0)
-cbr_quality <int> E...A...... Set quality value (0 to 10) for CBR (from 0 to 10) (default 8)
-frames_per_packet <int> E...A...... Number of frames to encode in each packet (from 1 to 8) (default 1)
-vad <int> E...A...... Voice Activity Detection (from 0 to 1) (default 0)
-dtx <int> E...A...... Discontinuous Transmission (from 0 to 1) (default 0)
libsvtav1 AVOptions:
-hielevel <int> E..V......P Hierarchical prediction levels setting (Deprecated, use svtav1-params) (from 3 to 4) (default 4level)
3level 3 E..V.......
4level 4 E..V.......
-la_depth <int> E..V......P Look ahead distance [0, 120] (Deprecated, use svtav1-params) (from -1 to 120) (default -1)
-tier <int> E..V......P Set operating point tier (Deprecated, use svtav1-params) (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-preset <int> E..V....... Encoding preset (from -1 to 13) (default -1)
-crf <int> E..V....... Constant Rate Factor value (from 0 to 63) (default 0)
-qp <int> E..V....... Initial Quantizer level value (from 0 to 63) (default 0)
-sc_detection <boolean> E..V......P Scene change detection (Deprecated, use svtav1-params) (default false)
-tile_columns <int> E..V......P Log2 of number of tile columns to use (Deprecated, use svtav1-params) (from 0 to 4) (default 0)
-tile_rows <int> E..V......P Log2 of number of tile rows to use (Deprecated, use svtav1-params) (from 0 to 6) (default 0)
-svtav1-params <dictionary> E..V....... Set the SVT-AV1 configuration using a :-separated list of key=value parameters
libtwolame encoder AVOptions:
-mode <int> E...A...... Mpeg Mode (from -1 to 3) (default auto)
auto -1 E...A......
stereo 0 E...A......
joint_stereo 1 E...A......
dual_channel 2 E...A......
mono 3 E...A......
-psymodel <int> E...A...... Psychoacoustic Model (from -1 to 4) (default 3)
-energy_levels <int> E...A...... enable energy levels (from 0 to 1) (default 0)
-error_protection <int> E...A...... enable CRC error protection (from 0 to 1) (default 0)
-copyright <int> E...A...... set MPEG Audio Copyright flag (from 0 to 1) (default 0)
-original <int> E...A...... set MPEG Audio Original flag (from 0 to 1) (default 0)
-verbosity <int> E...A...... set library optput level (0-10) (from 0 to 10) (default 0)
libvo_amrwbenc AVOptions:
-dtx <int> E...A...... Allow DTX (generate comfort noise) (from 0 to 1) (default 0)
libvorbis AVOptions:
-iblock <double> E...A...... Sets the impulse block bias (from -15 to 0) (default 0)
libvpx-vp8 encoder AVOptions:
-lag-in-frames <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-maxframes <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to INT_MAX) (default -1)
-arnr-type <int> E..V....... altref noise reduction filter type (from -1 to INT_MAX) (default -1)
backward 1 E..V.......
forward 2 E..V.......
centered 3 E..V.......
-tune <int> E..V....... Tune the encoding to a specific scenario (from -1 to INT_MAX) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-deadline <int> E..V....... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-error-resilient <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
partitions E..V....... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra prediction is still done over the partition boundary.
-max-intra-rate <int> E..V....... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1)
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-noise-sensitivity <int> E..V....... Noise sensitivity (from 0 to 4) (default 0)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-ts-parameters <dictionary> E..V....... Temporal scaling configuration using a :-separated list of key=value parameters
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1)
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from -16 to 16) (default 1)
-speed <int> E..V....... (from -16 to 16) (default 1)
-quality <int> E..V....... (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-vp8flags <flags> E..V....... (default 0)
error_resilient E..V....... enable error resilience
altref E..V....... enable use of alternate reference frames (VP8/2-pass only)
-arnr_max_frames <int> E..V....... altref noise reduction max frame count (from 0 to 15) (default 0)
-arnr_strength <int> E..V....... altref noise reduction filter strength (from 0 to 6) (default 3)
-arnr_type <int> E..V....... altref noise reduction filter type (from 1 to 3) (default 3)
-rc_lookahead <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25)
-sharpness <int> E..V....... Increase sharpness at the expense of lower PSNR (from -1 to 7) (default -1)
libvpx-vp9 encoder AVOptions:
-lag-in-frames <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from -1 to INT_MAX) (default -1)
-arnr-maxframes <int> E..V....... altref noise reduction max frame count (from -1 to INT_MAX) (default -1)
-arnr-strength <int> E..V....... altref noise reduction filter strength (from -1 to INT_MAX) (default -1)
-arnr-type <int> E..V....... altref noise reduction filter type (from -1 to INT_MAX) (default -1)
backward 1 E..V.......
forward 2 E..V.......
centered 3 E..V.......
-tune <int> E..V....... Tune the encoding to a specific scenario (from -1 to INT_MAX) (default -1)
psnr 0 E..V.......
ssim 1 E..V.......
-deadline <int> E..V....... Time to spend encoding, in microseconds. (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-error-resilient <flags> E..V....... Error resilience configuration (default 0)
default E..V....... Improve resiliency against losses of whole frames
partitions E..V....... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra prediction is still done over the partition boundary.
-max-intra-rate <int> E..V....... Maximum I-frame bitrate (pct) 0=unlimited (from -1 to INT_MAX) (default -1)
-crf <int> E..V....... Select the quality for constant quality mode (from -1 to 63) (default -1)
-static-thresh <int> E..V....... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
-drop-threshold <int> E..V....... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
-noise-sensitivity <int> E..V....... Noise sensitivity (from 0 to 4) (default 0)
-undershoot-pct <int> E..V....... Datarate undershoot (min) target (%) (from -1 to 100) (default -1)
-overshoot-pct <int> E..V....... Datarate overshoot (max) target (%) (from -1 to 1000) (default -1)
-ts-parameters <dictionary> E..V....... Temporal scaling configuration using a :-separated list of key=value parameters
-auto-alt-ref <int> E..V....... Enable use of alternate reference frames (2-pass only) (from -1 to 6) (default -1)
-cpu-used <int> E..V....... Quality/Speed ratio modifier (from -8 to 8) (default 1)
-lossless <int> E..V....... Lossless mode (from -1 to 1) (default -1)
-tile-columns <int> E..V....... Number of tile columns to use, log2 (from -1 to 6) (default -1)
-tile-rows <int> E..V....... Number of tile rows to use, log2 (from -1 to 2) (default -1)
-frame-parallel <boolean> E..V....... Enable frame parallel decodability features (default auto)
-aq-mode <int> E..V....... adaptive quantization mode (from -1 to 4) (default -1)
none 0 E..V....... Aq not used
variance 1 E..V....... Variance based Aq
complexity 2 E..V....... Complexity based Aq
cyclic 3 E..V....... Cyclic Refresh Aq
equator360 4 E..V....... 360 video Aq
-level <float> E..V....... Specify level (from -1 to 6.2) (default -1)
-row-mt <boolean> E..V....... Row based multi-threading (default auto)
-tune-content <int> E..V....... Tune content type (from -1 to 2) (default -1)
default 0 E..V....... Regular video content
screen 1 E..V....... Screen capture content
film 2 E..V....... Film content; improves grain retention
-corpus-complexity <int> E..V....... corpus vbr complexity midpoint (from -1 to 10000) (default -1)
-enable-tpl <boolean> E..V....... Enable temporal dependency model (default auto)
-speed <int> E..V....... (from -16 to 16) (default 1)
-quality <int> E..V....... (from INT_MIN to INT_MAX) (default good)
best 0 E..V.......
good 1000000 E..V.......
realtime 1 E..V.......
-vp8flags <flags> E..V....... (default 0)
error_resilient E..V....... enable error resilience
altref E..V....... enable use of alternate reference frames (VP8/2-pass only)
-arnr_max_frames <int> E..V....... altref noise reduction max frame count (from 0 to 15) (default 0)
-arnr_strength <int> E..V....... altref noise reduction filter strength (from 0 to 6) (default 3)
-arnr_type <int> E..V....... altref noise reduction filter type (from 1 to 3) (default 3)
-rc_lookahead <int> E..V....... Number of frames to look ahead for alternate reference frame selection (from 0 to 25) (default 25)
-sharpness <int> E..V....... Increase sharpness at the expense of lower PSNR (from -1 to 7) (default -1)
libsvt_vp9 AVOptions:
-preset <int> E..V....... Encoding preset [1, 1] (from 0 to 9) (default 9)
-level <int> E..V....... Set level (level_idc) (from 0 to 255) (default 0)
1 10 E..V.......
2 20 E..V.......
2.1 21 E..V.......
3 30 E..V.......
3.1 31 E..V.......
4 40 E..V.......
4.1 41 E..V.......
5 50 E..V.......
5.1 51 E..V.......
5.2 52 E..V.......
6 60 E..V.......
6.1 61 E..V.......
6.2 62 E..V.......
-tune <int> E..V....... Tune mode (from 0 to 2) (default vq)
vq 0 E..V.......
ssim 1 E..V.......
vmaf 2 E..V.......
-rc <int> E..V....... Bit rate control mode (from 0 to 2) (default cqp)
cqp 0 E..V.......
vbr 1 E..V.......
cbr 2 E..V.......
-qp <int> E..V....... QP value for intra frames (from 0 to 51) (default 32)
-socket <int> E..V....... Target CPU socket to use. -1 use all available (from -1 to 1) (default -1)
-bl_mode <boolean> E..V....... Random Access Prediction Structure type setting (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
libwebp encoder AVOptions:
-lossless <int> E..V....... Use lossless mode (from 0 to 1) (default 0)
-preset <int> E..V....... Configuration preset (from -1 to 5) (default none)
none -1 E..V....... do not use a preset
default 0 E..V....... default preset
picture 1 E..V....... digital picture, like portrait, inner shot
photo 2 E..V....... outdoor photograph, with natural lighting
drawing 3 E..V....... hand or line drawing, with high-contrast details
icon 4 E..V....... small-sized colorful images
text 5 E..V....... text-like
-cr_threshold <int> E..V....... Conditional replenishment threshold (from 0 to INT_MAX) (default 0)
-cr_size <int> E..V....... Conditional replenishment block size (from 0 to 256) (default 16)
-quality <float> E..V....... Quality (from 0 to 100) (default 75)
libwebp encoder AVOptions:
-lossless <int> E..V....... Use lossless mode (from 0 to 1) (default 0)
-preset <int> E..V....... Configuration preset (from -1 to 5) (default none)
none -1 E..V....... do not use a preset
default 0 E..V....... default preset
picture 1 E..V....... digital picture, like portrait, inner shot
photo 2 E..V....... outdoor photograph, with natural lighting
drawing 3 E..V....... hand or line drawing, with high-contrast details
icon 4 E..V....... small-sized colorful images
text 5 E..V....... text-like
-cr_threshold <int> E..V....... Conditional replenishment threshold (from 0 to INT_MAX) (default 0)
-cr_size <int> E..V....... Conditional replenishment block size (from 0 to 256) (default 16)
-quality <float> E..V....... Quality (from 0 to 100) (default 75)
libx264 AVOptions:
-preset <string> E..V....... Set the encoding preset (cf. x264 --fullhelp) (default "medium")
-tune <string> E..V....... Tune the encoding params (cf. x264 --fullhelp)
-profile <string> E..V....... Set profile restrictions (cf. x264 --fullhelp)
-fastfirstpass <boolean> E..V....... Use fast settings when encoding first pass (default true)
-level <string> E..V....... Specify level (as defined by Annex A)
-passlogfile <string> E..V....... Filename for 2 pass stats
-wpredp <string> E..V....... Weighted prediction for P-frames
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-x264opts <string> E..V....... x264 options
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-crf_max <float> E..V....... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-aq-mode <int> E..V....... AQ method (from -1 to INT_MAX) (default -1)
none 0 E..V.......
variance 1 E..V....... Variance AQ (complexity mask)
autovariance 2 E..V....... Auto-variance AQ
autovariance-biased 3 E..V....... Auto-variance AQ with bias to dark scenes
-aq-strength <float> E..V....... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1)
-psy <boolean> E..V....... Use psychovisual optimizations. (default auto)
-psy-rd <string> E..V....... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead <int> E..V....... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1)
-weightb <boolean> E..V....... Weighted prediction for B-frames. (default auto)
-weightp <int> E..V....... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
simple 1 E..V.......
smart 2 E..V.......
-ssim <boolean> E..V....... Calculate and print SSIM stats. (default auto)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames. (default auto)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds. (default auto)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-b-pyramid <int> E..V....... Keep some B-frames as references. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
strict 1 E..V....... Strictly hierarchical pyramid
normal 2 E..V....... Non-strict (not Blu-ray compatible)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-8x8dct <boolean> E..V....... High profile 8x8 transform. (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-deblock <string> E..V....... Loop filter parameters, in <alpha:beta> form.
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-partitions <string> E..V....... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-slice-max-size <int> E..V....... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1)
-stats <string> E..V....... Filename for 2 pass stats
-nal-hrd <int> E..V....... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1)
none 0 E..V.......
vbr 1 E..V.......
cbr 2 E..V.......
-avcintra-class <int> E..V....... AVC-Intra class 50/100/200/300/480 (from -1 to 480) (default -1)
-me_method <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-coder <int> E..V....... Coder type (from -1 to 1) (default default)
default -1 E..V.......
cavlc 0 E..V.......
cabac 1 E..V.......
vlc 0 E..V.......
ac 1 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 2) (default -1)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default -1)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default -1)
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-x264-params <dictionary> E..V....... Override the x264 configuration using a :-separated list of key=value parameters
libx264rgb AVOptions:
-preset <string> E..V....... Set the encoding preset (cf. x264 --fullhelp) (default "medium")
-tune <string> E..V....... Tune the encoding params (cf. x264 --fullhelp)
-profile <string> E..V....... Set profile restrictions (cf. x264 --fullhelp)
-fastfirstpass <boolean> E..V....... Use fast settings when encoding first pass (default true)
-level <string> E..V....... Specify level (as defined by Annex A)
-passlogfile <string> E..V....... Filename for 2 pass stats
-wpredp <string> E..V....... Weighted prediction for P-frames
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-x264opts <string> E..V....... x264 options
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-crf_max <float> E..V....... In CRF mode, prevents VBV from lowering quality beyond this point. (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-aq-mode <int> E..V....... AQ method (from -1 to INT_MAX) (default -1)
none 0 E..V.......
variance 1 E..V....... Variance AQ (complexity mask)
autovariance 2 E..V....... Auto-variance AQ
autovariance-biased 3 E..V....... Auto-variance AQ with bias to dark scenes
-aq-strength <float> E..V....... AQ strength. Reduces blocking and blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1)
-psy <boolean> E..V....... Use psychovisual optimizations. (default auto)
-psy-rd <string> E..V....... Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead <int> E..V....... Number of frames to look ahead for frametype and ratecontrol (from -1 to INT_MAX) (default -1)
-weightb <boolean> E..V....... Weighted prediction for B-frames. (default auto)
-weightp <int> E..V....... Weighted prediction analysis method. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
simple 1 E..V.......
smart 2 E..V.......
-ssim <boolean> E..V....... Calculate and print SSIM stats. (default auto)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames. (default auto)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds. (default auto)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-b-pyramid <int> E..V....... Keep some B-frames as references. (from -1 to INT_MAX) (default -1)
none 0 E..V.......
strict 1 E..V....... Strictly hierarchical pyramid
normal 2 E..V....... Non-strict (not Blu-ray compatible)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-8x8dct <boolean> E..V....... High profile 8x8 transform. (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-deblock <string> E..V....... Loop filter parameters, in <alpha:beta> form.
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-partitions <string> E..V....... A comma-separated list of partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-slice-max-size <int> E..V....... Limit the size of each slice in bytes (from -1 to INT_MAX) (default -1)
-stats <string> E..V....... Filename for 2 pass stats
-nal-hrd <int> E..V....... Signal HRD information (requires vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1)
none 0 E..V.......
vbr 1 E..V.......
cbr 2 E..V.......
-avcintra-class <int> E..V....... AVC-Intra class 50/100/200/300/480 (from -1 to 480) (default -1)
-me_method <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default -1)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-coder <int> E..V....... Coder type (from -1 to 1) (default default)
default -1 E..V.......
cavlc 0 E..V.......
cabac 1 E..V.......
vlc 0 E..V.......
ac 1 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 2) (default -1)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from INT_MIN to INT_MAX) (default -1)
-noise_reduction <int> E..V....... Noise reduction (from INT_MIN to INT_MAX) (default -1)
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-x264-params <dictionary> E..V....... Override the x264 configuration using a :-separated list of key=value parameters
libx265 AVOptions:
-crf <float> E..V....... set the x265 crf (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... set the x265 qp (from -1 to INT_MAX) (default -1)
-forced-idr <boolean> E..V....... if forcing keyframes, force them as IDR frames (default false)
-preset <string> E..V....... set the x265 preset
-tune <string> E..V....... set the x265 tune parameter
-profile <string> E..V....... set the x265 profile
-udu_sei <boolean> E..V....... Use user data unregistered SEI if available (default false)
-x265-params <dictionary> E..V....... set the x265 configuration using a :-separated list of key=value parameters
libsvt_hevc AVOptions:
-asm_type <boolean> E..V....... Assembly instruction set type [0: C Only, 1: Auto] (default true)
-aud <boolean> E..V....... Include Access Unit Delimiter (default false)
-bl_mode <boolean> E..V....... Random Access Prediction Structure type setting (default false)
-forced-idr <int> E..V....... If forcing keyframes, force them as IDR frames. (from -1 to INT_MAX) (default -1)
-hielevel <int> E..V....... Hierarchical prediction levels setting (from 0 to 3) (default 3 level)
flat 0 E..V.......
1 level 1 E..V.......
2 level 2 E..V.......
3 level 3 E..V.......
-la_depth <int> E..V....... Look ahead distance [0, 256] (from -1 to 256) (default -1)
-level <int> E..V....... Set level (level_idc) (from 0 to 255) (default 0)
-preset <int> E..V....... Encoding preset [0, 12] (from 0 to 12) (default 7)
-profile <int> E..V....... Profile setting, Main Still Picture Profile not supported (from 1 to 4) (default 1)
-qp <int> E..V....... QP value for intra frames (from 0 to 51) (default 32)
-rc <int> E..V....... Bit rate control mode (from 0 to 1) (default cqp)
cqp 0 E..V.......
vbr 1 E..V.......
-sc_detection <boolean> E..V....... Scene change detection (default true)
-socket <int> E..V....... Target CPU socket to use. -1 use all available (from -1 to 1) (default -1)
-thread_count <int> E..V....... Number of threads [0: Auto, 96: Min] (from 0 to INT_MAX) (default 0)
-tier <int> E..V....... Set tier (general_tier_flag) (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-tune <int> E..V....... Quality tuning mode (from 0 to 2) (default oq)
sq 0 E..V....... Visually optimized mode
oq 1 E..V....... PSNR / SSIM optimized mode
vmaf 2 E..V....... VMAF optimized mode
-hdr <int> E..V....... High dynamic range input (HDR10) (from 0 to 1) (default 0)
-umv <boolean> E..V....... Enables or disables unrestricted motion vectors (default true)
-tile_row_cnt <int> E..V....... tile count in the row (from 1 to 16) (default 1)
-tile_col_cnt <int> E..V....... tile count in the column (from 1 to 16) (default 1)
-tile_slice_mode <boolean> E..V....... per slice per tile, only valid for multi-tile (default false)
-pred_struct <int> E..V....... The prediction structure (from 0 to 2) (default 2)
-vid_info <boolean> E..V....... Enables or disables sending a vui structure in the HEVC Elementary bitstream. (default false)
libxavs AVOptions:
-crf <float> E..V....... Select the quality for constant quality mode (from -1 to FLT_MAX) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to INT_MAX) (default -1)
-b-bias <int> E..V....... Influences how often B-frames are used (from INT_MIN to INT_MAX) (default INT_MIN)
-cplxblur <float> E..V....... Reduce fluctuations in QP (before curve compression) (from -1 to FLT_MAX) (default -1)
-direct-pred <int> E..V....... Direct MV prediction mode (from -1 to INT_MAX) (default -1)
none 0 E..V.......
spatial 1 E..V.......
temporal 2 E..V.......
auto 3 E..V.......
-aud <boolean> E..V....... Use access unit delimiters. (default auto)
-mbtree <boolean> E..V....... Use macroblock tree ratecontrol. (default auto)
-mixed-refs <boolean> E..V....... One reference per partition, as opposed to one reference per macroblock (default auto)
-fast-pskip <boolean> E..V....... (default auto)
-motion-est <int> E..V....... Set motion estimation method (from -1 to 4) (default dia)
dia 0 E..V.......
hex 1 E..V.......
umh 2 E..V.......
esa 3 E..V.......
tesa 4 E..V.......
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from 0 to 2) (default 0)
-chromaoffset <int> E..V....... QP difference between chroma and luma (from INT_MIN to INT_MAX) (default 0)
-sc_threshold <int> E..V....... Scene change threshold (from 0 to INT_MAX) (default 0)
-noise_reduction <int> E..V....... Noise reduction (from 0 to INT_MAX) (default 0)
XAVS2EContext AVOptions:
-lcu_row_threads <int> E..V....... number of parallel threads for rows (from 0 to INT_MAX) (default 0)
-initial_qp <int> E..V....... Quantization initial parameter (from 1 to 63) (default 34)
-qp <int> E..V....... Quantization parameter (from 1 to 63) (default 34)
-max_qp <int> E..V....... max qp for rate control (from 0 to 63) (default 55)
-min_qp <int> E..V....... min qp for rate control (from 0 to 63) (default 20)
-speed_level <int> E..V....... Speed level, higher is better but slower (from 0 to 9) (default 0)
-log_level <int> E..V....... log level: -1: none, 0: error, 1: warning, 2: info, 3: debug (from -1 to 3) (default 0)
-xavs2-params <dictionary> E..V....... set the xavs2 configuration using a :-separated list of key=value parameters
libxvid AVOptions:
-lumi_aq <int> E..V....... Luminance masking AQ (from 0 to 1) (default 0)
-variance_aq <int> E..V....... Variance AQ (from 0 to 1) (default 0)
-ssim <int> E..V....... Show SSIM information to stdout (from 0 to 2) (default off)
off 0 E..V.......
avg 1 E..V.......
frame 2 E..V.......
-ssim_acc <int> E..V....... SSIM accuracy (from 0 to 4) (default 2)
-gmc <int> E..V....... use GMC (from 0 to 1) (default 0)
-me_quality <int> E..V....... Motion estimation quality (from 0 to 6) (default 4)
-mpeg_quant <int> E..V....... Use MPEG quantizers instead of H.263 (from 0 to 1) (default 0)
libopenh264enc AVOptions:
-slice_mode <int> E..V......P set slice mode, use slices/max_nal_size (from 0 to 4) (default fixed)
fixed 1 E..V....... a fixed number of slices
dyn 3 E..V....... Size limited (compatibility name)
sizelimited 3 E..V....... Size limited
-loopfilter <int> E..V....... enable loop filter (from 0 to 1) (default 1)
-profile <int> E..V....... set profile restrictions (from -99 to 65535) (default -99)
constrained_baseline 578 E..V.......
main 77 E..V.......
high 100 E..V.......
-max_nal_size <int> E..V....... set maximum NAL size in bytes (from 0 to INT_MAX) (default 0)
-allow_skip_frames <boolean> E..V....... allow skipping frames to hit the target bitrate (default false)
-cabac <int> E..V......P Enable cabac(deprecated, use coder) (from 0 to 1) (default 0)
-coder <int> E..V....... Coder type (from -1 to 1) (default default)
default -1 E..V.......
cavlc 0 E..V.......
cabac 1 E..V.......
vlc 0 E..V.......
ac 1 E..V.......
-rc_mode <int> E..V....... Select rate control mode (from -1 to 3) (default quality)
off -1 E..V....... bit rate control off
quality 0 E..V....... quality mode
bitrate 1 E..V....... bitrate mode
buffer 2 E..V....... using buffer status to adjust the video quality (no bitrate control)
timestamp 3 E..V....... bit rate control based on timestamp
h264_amf AVOptions:
-usage <int> E..V....... Encoder Usage (from 0 to 3) (default transcoding)
transcoding 0 E..V....... Generic Transcoding
ultralowlatency 1 E..V.......
lowlatency 2 E..V.......
webcam 3 E..V....... Webcam
-profile <int> E..V....... Profile (from 66 to 257) (default main)
main 77 E..V.......
high 100 E..V.......
constrained_baseline 256 E..V.......
constrained_high 257 E..V.......
-level <int> E..V....... Profile Level (from 0 to 62) (default auto)
auto 0 E..V.......
1.0 10 E..V.......
1.1 11 E..V.......
1.2 12 E..V.......
1.3 13 E..V.......
2.0 20 E..V.......
2.1 21 E..V.......
2.2 22 E..V.......
3.0 30 E..V.......
3.1 31 E..V.......
3.2 32 E..V.......
4.0 40 E..V.......
4.1 41 E..V.......
4.2 42 E..V.......
5.0 50 E..V.......
5.1 51 E..V.......
5.2 52 E..V.......
6.0 60 E..V.......
6.1 61 E..V.......
6.2 62 E..V.......
-quality <int> E..V....... Quality Preference (from 0 to 2) (default speed)
speed 1 E..V....... Prefer Speed
balanced 0 E..V....... Balanced
quality 2 E..V....... Prefer Quality
-rc <int> E..V....... Rate Control Method (from -1 to 3) (default -1)
cqp 0 E..V....... Constant Quantization Parameter
cbr 1 E..V....... Constant Bitrate
vbr_peak 2 E..V....... Peak Contrained Variable Bitrate
vbr_latency 3 E..V....... Latency Constrained Variable Bitrate
-enforce_hrd <boolean> E..V....... Enforce HRD (default false)
-filler_data <boolean> E..V....... Filler Data Enable (default false)
-vbaq <boolean> E..V....... Enable VBAQ (default false)
-frame_skipping <boolean> E..V....... Rate Control Based Frame Skip (default false)
-qp_i <int> E..V....... Quantization Parameter for I-Frame (from -1 to 51) (default -1)
-qp_p <int> E..V....... Quantization Parameter for P-Frame (from -1 to 51) (default -1)
-qp_b <int> E..V....... Quantization Parameter for B-Frame (from -1 to 51) (default -1)
-preanalysis <boolean> E..V....... Pre-Analysis Mode (default false)
-max_au_size <int> E..V....... Maximum Access Unit Size for rate control (in bits) (from 0 to INT_MAX) (default 0)
-header_spacing <int> E..V....... Header Insertion Spacing (from -1 to 1000) (default -1)
-bf_delta_qp <int> E..V....... B-Picture Delta QP (from -10 to 10) (default 4)
-bf_ref <boolean> E..V....... Enable Reference to B-Frames (default true)
-bf_ref_delta_qp <int> E..V....... Reference B-Picture Delta QP (from -10 to 10) (default 4)
-intra_refresh_mb <int> E..V....... Intra Refresh MBs Number Per Slot in Macroblocks (from 0 to INT_MAX) (default 0)
-coder <int> E..V....... Coding Type (from 0 to 2) (default auto)
auto 0 E..V....... Automatic
cavlc 2 E..V....... Context Adaptive Variable-Length Coding
cabac 1 E..V....... Context Adaptive Binary Arithmetic Coding
-me_half_pel <boolean> E..V....... Enable ME Half Pixel (default true)
-me_quarter_pel <boolean> E..V....... Enable ME Quarter Pixel (default true)
-aud <boolean> E..V....... Inserts AU Delimiter NAL unit (default false)
-log_to_dbg <boolean> E..V....... Enable AMF logging to debug output (default false)
h264_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
fast 3 E..V....... hp 1 pass
hp 4 E..V.......
hq 5 E..V.......
bd 6 E..V.......
ll 7 E..V....... low latency
llhq 8 E..V....... low latency hq
llhp 9 E..V....... low latency hp
lossless 10 E..V.......
losslesshp 11 E..V.......
p1 12 E..V....... fastest (lowest quality)
p2 13 E..V....... faster (lower quality)
p3 14 E..V....... fast (low quality)
p4 15 E..V....... medium (default)
p5 16 E..V....... slow (good quality)
p6 17 E..V....... slower (better quality)
p7 18 E..V....... slowest (best quality)
-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
hq 1 E..V....... High quality
ll 2 E..V....... Low latency
ull 3 E..V....... Ultra low latency
lossless 4 E..V....... Lossless
-profile <int> E..V....... Set the encoding profile (from 0 to 3) (default main)
baseline 0 E..V.......
main 1 E..V.......
high 2 E..V.......
high444p 3 E..V.......
-level <int> E..V....... Set the encoding level restriction (from 0 to 62) (default auto)
auto 0 E..V.......
1 10 E..V.......
1.0 10 E..V.......
1b 9 E..V.......
1.0b 9 E..V.......
1.1 11 E..V.......
1.2 12 E..V.......
1.3 13 E..V.......
2 20 E..V.......
2.0 20 E..V.......
2.1 21 E..V.......
2.2 22 E..V.......
3 30 E..V.......
3.0 30 E..V.......
3.1 31 E..V.......
3.2 32 E..V.......
4 40 E..V.......
4.0 40 E..V.......
4.1 41 E..V.......
4.2 42 E..V.......
5 50 E..V.......
5.0 50 E..V.......
5.1 51 E..V.......
5.2 52 E..V.......
6.0 60 E..V.......
6.1 61 E..V.......
6.2 62 E..V.......
-rc <int> E..V....... Override the preset rate-control (from -1 to INT_MAX) (default -1)
constqp 0 E..V....... Constant QP mode
vbr 1 E..V....... Variable bitrate mode
cbr 2 E..V....... Constant bitrate mode
vbr_minqp 8388612 E..V....... Variable bitrate mode with MinQP (deprecated)
ll_2pass_quality 8388616 E..V....... Multi-pass optimized for image quality (deprecated)
ll_2pass_size 8388624 E..V....... Multi-pass optimized for constant frame size (deprecated)
vbr_2pass 8388640 E..V....... Multi-pass variable bitrate mode (deprecated)
cbr_ld_hq 8388616 E..V....... Constant bitrate low delay high quality mode
cbr_hq 8388624 E..V....... Constant bitrate high quality mode
vbr_hq 8388640 E..V....... Variable bitrate high quality mode
-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
-surfaces <int> E..V....... Number of concurrent surfaces (from 0 to 64) (default 0)
-cbr <boolean> E..V....... Use cbr encoding mode (default false)
-2pass <boolean> E..V....... Use 2pass encoding mode (default auto)
-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
any -1 E..V....... Pick the first device available
list -2 E..V....... List the available devices
-delay <int> E..V....... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
-no-scenecut <boolean> E..V....... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-b_adapt <boolean> E..V....... When lookahead is enabled, set this to 0 to disable adaptive B-frame decision (default true)
-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (no reordering delay) (default false)
-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
-aq-strength <int> E..V....... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
-aud <boolean> E..V....... Use access unit delimiters (default false)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds (default false)
-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 51) (default -1)
-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 51) (default -1)
-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 51) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to 51) (default -1)
-qp_cb_offset <int> E..V....... Quantization parameter offset for cb channel (from -12 to 12) (default 0)
-qp_cr_offset <int> E..V....... Quantization parameter offset for cr channel (from -12 to 12) (default 0)
-weighted_pred <int> E..V....... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
-coder <int> E..V....... Coder type (from -1 to 2) (default default)
default -1 E..V.......
auto 0 E..V.......
cabac 1 E..V.......
cavlc 2 E..V.......
ac 1 E..V.......
vlc 2 E..V.......
-b_ref_mode <int> E..V....... Use B frames as references (from 0 to 2) (default disabled)
disabled 0 E..V....... B frames will not be used for reference
each 1 E..V....... Each B frame will be used for reference
middle 2 E..V....... Only (number of B frames)/2 will be used for reference
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-dpb_size <int> E..V....... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0)
-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
disabled 0 E..V....... Single Pass
qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
-ldkfs <int> E..V....... Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream (default true)
-udu_sei <boolean> E..V....... Pass on user data unregistered SEI if available (default false)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames (default false)
-single-slice-intra-refresh <boolean> E..V....... Use single slice intra refresh (default false)
-constrained-encoding <boolean> E..V....... Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices (default false)
h264_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 1 to 65535) (default 1)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 1 to 65535) (default 1)
-preset <int> E..V....... (from 1 to 7) (default medium)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-max_frame_size <int> E..V....... Maximum encoded frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_i <int> E..V....... Maximum encoded I frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_p <int> E..V....... Maximum encoded P frame size in bytes (from -1 to INT_MAX) (default -1)
-max_slice_size <int> E..V....... Maximum encoded slice size in bytes (from -1 to INT_MAX) (default -1)
-bitrate_limit <int> E..V....... Toggle bitrate limitations (from -1 to 1) (default -1)
-mbbrc <int> E..V....... MB level bitrate control (from -1 to 1) (default -1)
-extbrc <int> E..V....... Extended bitrate control (from -1 to 1) (default -1)
-adaptive_i <int> E..V....... Adaptive I-frame placement (from -1 to 1) (default -1)
-adaptive_b <int> E..V....... Adaptive B-frame placement (from -1 to 1) (default -1)
-p_strategy <int> E..V....... Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). (from 0 to 2) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
-dblk_idc <int> E..V....... This option disable deblocking. It has value in range 0~2. (from 0 to 2) (default 0)
-low_delay_brc <boolean> E..V....... Allow to strictly obey avg frame size (default auto)
-max_qp_i <int> E..V....... Maximum video quantizer scale for I frame (from -1 to 51) (default -1)
-min_qp_i <int> E..V....... Minimum video quantizer scale for I frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... Maximum video quantizer scale for P frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... Minimum video quantizer scale for P frame (from -1 to 51) (default -1)
-max_qp_b <int> E..V....... Maximum video quantizer scale for B frame (from -1 to 51) (default -1)
-min_qp_b <int> E..V....... Minimum video quantizer scale for B frame (from -1 to 51) (default -1)
-cavlc <boolean> E..V....... Enable CAVLC (default false)
-vcm <boolean> E..V....... Use the video conferencing mode ratecontrol (default false)
-idr_interval <int> E..V....... Distance (in I-frames) between IDR frames (from 0 to INT_MAX) (default 0)
-pic_timing_sei <boolean> E..V....... Insert picture timing SEI with pic_struct_syntax element (default true)
-single_sei_nal_unit <int> E..V....... Put all the SEI messages into one NALU (from -1 to 1) (default -1)
-max_dec_frame_buffering <int> E..V....... Maximum number of frames buffered in the DPB (from 0 to 65535) (default 0)
-look_ahead <boolean> E..V....... Use VBR algorithm with look ahead (default false)
-look_ahead_depth <int> E..V....... Depth of look ahead in number frames (from 0 to 100) (default 0)
-look_ahead_downsampling <int> E..V....... Downscaling factor for the frames saved for the lookahead analysis (from 0 to 3) (default unknown)
unknown 0 E..V.......
auto 0 E..V.......
off 1 E..V.......
2x 2 E..V.......
4x 3 E..V.......
-int_ref_type <int> E..V....... Intra refresh type. B frames should be set to 0. (from -1 to 65535) (default -1)
none 0 E..V.......
vertical 1 E..V.......
horizontal 2 E..V.......
-int_ref_cycle_size <int> E..V....... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1)
-int_ref_qp_delta <int> E..V....... QP difference for the refresh MBs (from -32768 to 32767) (default -32768)
-recovery_point_sei <int> E..V....... Insert recovery point SEI messages (from -1 to 1) (default -1)
-int_ref_cycle_dist <int> E..V....... Distance between the beginnings of the intra-refresh cycles in frames (from -1 to 32767) (default -1)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
baseline 66 E..V.......
main 77 E..V.......
high 100 E..V.......
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-aud <boolean> E..V....... Insert the Access Unit Delimiter NAL (default false)
-repeat_pps <boolean> E..V....... repeat pps for every frame (default false)
hevc_amf AVOptions:
-usage <int> E..V....... Set the encoding usage (from 0 to 3) (default transcoding)
transcoding 0 E..V.......
ultralowlatency 1 E..V.......
lowlatency 2 E..V.......
webcam 3 E..V.......
-profile <int> E..V....... Set the profile (default main) (from 1 to 1) (default main)
main 1 E..V.......
-profile_tier <int> E..V....... Set the profile tier (default main) (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-level <int> E..V....... Set the encoding level (default auto) (from 0 to 186) (default auto)
auto 0 E..V.......
1.0 30 E..V.......
2.0 60 E..V.......
2.1 63 E..V.......
3.0 90 E..V.......
3.1 93 E..V.......
4.0 120 E..V.......
4.1 123 E..V.......
5.0 150 E..V.......
5.1 153 E..V.......
5.2 156 E..V.......
6.0 180 E..V.......
6.1 183 E..V.......
6.2 186 E..V.......
-quality <int> E..V....... Set the encoding quality (from 0 to 10) (default speed)
balanced 5 E..V.......
speed 10 E..V.......
quality 0 E..V.......
-rc <int> E..V....... Set the rate control mode (from -1 to 3) (default -1)
cqp 0 E..V....... Constant Quantization Parameter
cbr 3 E..V....... Constant Bitrate
vbr_peak 2 E..V....... Peak Contrained Variable Bitrate
vbr_latency 1 E..V....... Latency Constrained Variable Bitrate
-header_insertion_mode <int> E..V....... Set header insertion mode (from 0 to 2) (default none)
none 0 E..V.......
gop 1 E..V.......
idr 2 E..V.......
-gops_per_idr <int> E..V....... GOPs per IDR 0-no IDR will be inserted (from 0 to INT_MAX) (default 1)
-preanalysis <boolean> E..V....... Enable preanalysis (default false)
-vbaq <boolean> E..V....... Enable VBAQ (default false)
-enforce_hrd <boolean> E..V....... Enforce HRD (default false)
-filler_data <boolean> E..V....... Filler Data Enable (default false)
-max_au_size <int> E..V....... Maximum Access Unit Size for rate control (in bits) (from 0 to INT_MAX) (default 0)
-min_qp_i <int> E..V....... min quantization parameter for I-frame (from -1 to 51) (default -1)
-max_qp_i <int> E..V....... max quantization parameter for I-frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... min quantization parameter for P-frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... max quantization parameter for P-frame (from -1 to 51) (default -1)
-qp_p <int> E..V....... quantization parameter for P-frame (from -1 to 51) (default -1)
-qp_i <int> E..V....... quantization parameter for I-frame (from -1 to 51) (default -1)
-skip_frame <boolean> E..V....... Rate Control Based Frame Skip (default false)
-me_half_pel <boolean> E..V....... Enable ME Half Pixel (default true)
-me_quarter_pel <boolean> E..V....... Enable ME Quarter Pixel (default true)
-aud <boolean> E..V....... Inserts AU Delimiter NAL unit (default false)
-log_to_dbg <boolean> E..V....... Enable AMF logging to debug output (default false)
hevc_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
fast 3 E..V....... hp 1 pass
hp 4 E..V.......
hq 5 E..V.......
bd 6 E..V.......
ll 7 E..V....... low latency
llhq 8 E..V....... low latency hq
llhp 9 E..V....... low latency hp
lossless 10 E..V....... lossless
losslesshp 11 E..V....... lossless hp
p1 12 E..V....... fastest (lowest quality)
p2 13 E..V....... faster (lower quality)
p3 14 E..V....... fast (low quality)
p4 15 E..V....... medium (default)
p5 16 E..V....... slow (good quality)
p6 17 E..V....... slower (better quality)
p7 18 E..V....... slowest (best quality)
-tune <int> E..V....... Set the encoding tuning info (from 1 to 4) (default hq)
hq 1 E..V....... High quality
ll 2 E..V....... Low latency
ull 3 E..V....... Ultra low latency
lossless 4 E..V....... Lossless
-profile <int> E..V....... Set the encoding profile (from 0 to 4) (default main)
main 0 E..V.......
main10 1 E..V.......
rext 2 E..V.......
-level <int> E..V....... Set the encoding level restriction (from 0 to 186) (default auto)
auto 0 E..V.......
1 30 E..V.......
1.0 30 E..V.......
2 60 E..V.......
2.0 60 E..V.......
2.1 63 E..V.......
3 90 E..V.......
3.0 90 E..V.......
3.1 93 E..V.......
4 120 E..V.......
4.0 120 E..V.......
4.1 123 E..V.......
5 150 E..V.......
5.0 150 E..V.......
5.1 153 E..V.......
5.2 156 E..V.......
6 180 E..V.......
6.0 180 E..V.......
6.1 183 E..V.......
6.2 186 E..V.......
-tier <int> E..V....... Set the encoding tier (from 0 to 1) (default main)
main 0 E..V.......
high 1 E..V.......
-rc <int> E..V....... Override the preset rate-control (from -1 to INT_MAX) (default -1)
constqp 0 E..V....... Constant QP mode
vbr 1 E..V....... Variable bitrate mode
cbr 2 E..V....... Constant bitrate mode
vbr_minqp 8388612 E..V....... Variable bitrate mode with MinQP (deprecated)
ll_2pass_quality 8388616 E..V....... Multi-pass optimized for image quality (deprecated)
ll_2pass_size 8388624 E..V....... Multi-pass optimized for constant frame size (deprecated)
vbr_2pass 8388640 E..V....... Multi-pass variable bitrate mode (deprecated)
cbr_ld_hq 8388616 E..V....... Constant bitrate low delay high quality mode
cbr_hq 8388624 E..V....... Constant bitrate high quality mode
vbr_hq 8388640 E..V....... Variable bitrate high quality mode
-rc-lookahead <int> E..V....... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0)
-surfaces <int> E..V....... Number of concurrent surfaces (from 0 to 64) (default 0)
-cbr <boolean> E..V....... Use cbr encoding mode (default false)
-2pass <boolean> E..V....... Use 2pass encoding mode (default auto)
-gpu <int> E..V....... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any)
any -1 E..V....... Pick the first device available
list -2 E..V....... List the available devices
-delay <int> E..V....... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX)
-no-scenecut <boolean> E..V....... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false)
-forced-idr <boolean> E..V....... If forcing keyframes, force them as IDR frames. (default false)
-spatial_aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-spatial-aq <boolean> E..V....... set to 1 to enable Spatial AQ (default false)
-temporal_aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-temporal-aq <boolean> E..V....... set to 1 to enable Temporal AQ (default false)
-zerolatency <boolean> E..V....... Set 1 to indicate zero latency operation (no reordering delay) (default false)
-nonref_p <boolean> E..V....... Set this to 1 to enable automatic insertion of non-reference P-frames (default false)
-strict_gop <boolean> E..V....... Set 1 to minimize GOP-to-GOP rate fluctuations (default false)
-aq-strength <int> E..V....... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8)
-cq <float> E..V....... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0)
-aud <boolean> E..V....... Use access unit delimiters (default false)
-bluray-compat <boolean> E..V....... Bluray compatibility workarounds (default false)
-init_qpP <int> E..V....... Initial QP value for P frame (from -1 to 51) (default -1)
-init_qpB <int> E..V....... Initial QP value for B frame (from -1 to 51) (default -1)
-init_qpI <int> E..V....... Initial QP value for I frame (from -1 to 51) (default -1)
-qp <int> E..V....... Constant quantization parameter rate control method (from -1 to 51) (default -1)
-qp_cb_offset <int> E..V....... Quantization parameter offset for cb channel (from -12 to 12) (default 0)
-qp_cr_offset <int> E..V....... Quantization parameter offset for cr channel (from -12 to 12) (default 0)
-weighted_pred <int> E..V....... Set 1 to enable weighted prediction (from 0 to 1) (default 0)
-b_ref_mode <int> E..V....... Use B frames as references (from 0 to 2) (default disabled)
disabled 0 E..V....... B frames will not be used for reference
each 1 E..V....... Each B frame will be used for reference
middle 2 E..V....... Only (number of B frames)/2 will be used for reference
-a53cc <boolean> E..V....... Use A53 Closed Captions (if available) (default true)
-s12m_tc <boolean> E..V....... Use timecode (if available) (default true)
-dpb_size <int> E..V....... Specifies the DPB size used for encoding (0 means automatic) (from 0 to INT_MAX) (default 0)
-multipass <int> E..V....... Set the multipass encoding (from 0 to 2) (default disabled)
disabled 0 E..V....... Single Pass
qres 1 E..V....... Two Pass encoding is enabled where first Pass is quarter resolution
fullres 2 E..V....... Two Pass encoding is enabled where first Pass is full resolution
-ldkfs <int> E..V....... Low delay key frame scale; Specifies the Scene Change frame size increase allowed in case of single frame VBV and CBR (from 0 to 255) (default 0)
-extra_sei <boolean> E..V....... Pass on extra SEI data (e.g. a53 cc) to be included in the bitstream (default true)
-udu_sei <boolean> E..V....... Pass on user data unregistered SEI if available (default false)
-intra-refresh <boolean> E..V....... Use Periodic Intra Refresh instead of IDR frames (default false)
-single-slice-intra-refresh <boolean> E..V....... Use single slice intra refresh (default false)
-constrained-encoding <boolean> E..V....... Enable constrainedFrame encoding where each slice in the constrained picture is independent of other slices (default false)
hevc_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 1 to 65535) (default 1)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 1 to 65535) (default 1)
-preset <int> E..V....... (from 1 to 7) (default medium)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-max_frame_size <int> E..V....... Maximum encoded frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_i <int> E..V....... Maximum encoded I frame size in bytes (from -1 to INT_MAX) (default -1)
-max_frame_size_p <int> E..V....... Maximum encoded P frame size in bytes (from -1 to INT_MAX) (default -1)
-max_slice_size <int> E..V....... Maximum encoded slice size in bytes (from -1 to INT_MAX) (default -1)
-mbbrc <int> E..V....... MB level bitrate control (from -1 to 1) (default -1)
-extbrc <int> E..V....... Extended bitrate control (from -1 to 1) (default -1)
-p_strategy <int> E..V....... Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0). (from 0 to 2) (default 0)
-b_strategy <int> E..V....... Strategy to choose between I/P/B-frames (from -1 to 1) (default -1)
-dblk_idc <int> E..V....... This option disable deblocking. It has value in range 0~2. (from 0 to 2) (default 0)
-low_delay_brc <boolean> E..V....... Allow to strictly obey avg frame size (default auto)
-max_qp_i <int> E..V....... Maximum video quantizer scale for I frame (from -1 to 51) (default -1)
-min_qp_i <int> E..V....... Minimum video quantizer scale for I frame (from -1 to 51) (default -1)
-max_qp_p <int> E..V....... Maximum video quantizer scale for P frame (from -1 to 51) (default -1)
-min_qp_p <int> E..V....... Minimum video quantizer scale for P frame (from -1 to 51) (default -1)
-max_qp_b <int> E..V....... Maximum video quantizer scale for B frame (from -1 to 51) (default -1)
-min_qp_b <int> E..V....... Minimum video quantizer scale for B frame (from -1 to 51) (default -1)
-idr_interval <int> E..V....... Distance (in I-frames) between IDR frames (from -1 to INT_MAX) (default 0)
begin_only -1 E..V....... Output an IDR-frame only at the beginning of the stream
-load_plugin <int> E..V....... A user plugin to load in an internal session (from 0 to 2) (default hevc_hw)
none 0 E..V.......
hevc_sw 1 E..V.......
hevc_hw 2 E..V.......
-load_plugins <string> E..V....... A :-separate list of hexadecimal plugin UIDs to load in an internal session (default "")
-look_ahead_depth <int> E..V....... Depth of look ahead in number frames, available when extbrc option is enabled (from 0 to 100) (default 0)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
main 1 E..V.......
main10 2 E..V.......
mainsp 3 E..V.......
rext 4 E..V.......
scc 9 E..V.......
-gpb <boolean> E..V....... 1: GPB (generalized P/B frame); 0: regular P frame (default true)
-tile_cols <int> E..V....... Number of columns for tiled encoding (from 0 to 65535) (default 0)
-tile_rows <int> E..V....... Number of rows for tiled encoding (from 0 to 65535) (default 0)
-recovery_point_sei <int> E..V....... Insert recovery point SEI messages (from -1 to 1) (default -1)
-aud <boolean> E..V....... Insert the Access Unit Delimiter NAL (default false)
-pic_timing_sei <boolean> E..V....... Insert picture timing SEI with pic_struct_syntax element (default true)
-transform_skip <int> E..V....... Turn this option ON to enable transformskip (from -1 to 1) (default -1)
-int_ref_type <int> E..V....... Intra refresh type. B frames should be set to 0 (from -1 to 65535) (default -1)
none 0 E..V.......
vertical 1 E..V.......
horizontal 2 E..V.......
-int_ref_cycle_size <int> E..V....... Number of frames in the intra refresh cycle (from -1 to 65535) (default -1)
-int_ref_qp_delta <int> E..V....... QP difference for the refresh MBs (from -32768 to 32767) (default -32768)
-int_ref_cycle_dist <int> E..V....... Distance between the beginnings of the intra-refresh cycles in frames (from -1 to 32767) (default -1)
libkvazaar AVOptions:
-kvazaar-params <string> E..V....... Set kvazaar parameters as a comma-separated list of key=value pairs.
mjpeg_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
mpeg2_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 1 to 65535) (default 1)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 1 to 65535) (default 1)
-preset <int> E..V....... (from 1 to 7) (default medium)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-rdo <int> E..V....... Enable rate distortion optimization (from -1 to 1) (default -1)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
simple 80 E..V.......
main 64 E..V.......
high 16 E..V.......
vp9_qsv encoder AVOptions:
-async_depth <int> E..V....... Maximum processing parallelism (from 1 to INT_MAX) (default 4)
-avbr_accuracy <int> E..V....... Accuracy of the AVBR ratecontrol (unit of tenth of percent) (from 1 to 65535) (default 1)
-avbr_convergence <int> E..V....... Convergence of the AVBR ratecontrol (unit of 100 frames) (from 1 to 65535) (default 1)
-preset <int> E..V....... (from 1 to 7) (default medium)
veryfast 7 E..V.......
faster 6 E..V.......
fast 5 E..V.......
medium 4 E..V.......
slow 3 E..V.......
slower 2 E..V.......
veryslow 1 E..V.......
-forced_idr <boolean> E..V....... Forcing I frames as IDR frames (default false)
-low_power <boolean> E..V....... enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.) (default auto)
-profile <int> E..V....... (from 0 to INT_MAX) (default unknown)
unknown 0 E..V.......
profile0 1 E..V.......
profile1 2 E..V.......
profile2 3 E..V.......
profile3 4 E..V.......
-tile_cols <int> E..V....... Number of columns for tiled encoding (from 0 to 32) (default 0)
-tile_rows <int> E..V....... Number of rows for tiled encoding (from 0 to 4) (default 0)
EXR AVOptions:
-layer <string> .D.V....... Set the decoding layer (default "")
-part <int> .D.V....... Set the decoding part (from 0 to INT_MAX) (default 0)
-gamma <float> .D.V....... Set the float gamma value when decoding (from 0.001 to FLT_MAX) (default 1)
-apply_trc <int> .D.V....... color transfer characteristics to apply to EXR linear input (from 1 to 18) (default gamma)
bt709 1 .D.V....... BT.709
gamma 2 .D.V....... gamma
gamma22 4 .D.V....... BT.470 M
gamma28 5 .D.V....... BT.470 BG
smpte170m 6 .D.V....... SMPTE 170 M
smpte240m 7 .D.V....... SMPTE 240 M
linear 8 .D.V....... Linear
log 9 .D.V....... Log
log_sqrt 10 .D.V....... Log square root
iec61966_2_4 11 .D.V....... IEC 61966-2-4
bt1361 12 .D.V....... BT.1361
iec61966_2_1 13 .D.V....... IEC 61966-2-1
bt2020_10bit 14 .D.V....... BT.2020 - 10 bit
bt2020_12bit 15 .D.V....... BT.2020 - 12 bit
smpte2084 16 .D.V....... SMPTE ST 2084
smpte428_1 17 .D.V....... SMPTE ST 428-1
FIC decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)
FITS decoder AVOptions:
-blank_value <int> .D.V....... value that is used to replace BLANK pixels in data array (from 0 to 65535) (default 0)
frwu Decoder AVOptions:
-change_field_order <boolean> .D.V....... Change field order (default false)
gif decoder AVOptions:
-trans_color <int> .D.V....... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 16777215)
H264 Decoder AVOptions:
-is_avc <boolean> .D.V..X.... is avc (default false)
-nal_length_size <int> .D.V..X.... nal_length_size (from 0 to 4) (default 0)
-enable_er <boolean> .D.V....... Enable error resilience on damaged frames (unsafe) (default auto)
-x264_build <int> .D.V....... Assume this x264 version if no x264 version found in any SEI (from -1 to INT_MAX) (default -1)
h264_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
HEVC decoder AVOptions:
-apply_defdispwin <boolean> .D.V....... Apply default display window from VUI (default false)
-strict-displaywin <boolean> .D.V....... stricly apply default display window size (default false)
hevc_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-load_plugin <int> .D.V....... A user plugin to load in an internal session (from 0 to 2) (default hevc_hw)
none 0 .D.V.......
hevc_sw 1 .D.V.......
hevc_hw 2 .D.V.......
-load_plugins <string> .D.V....... A :-separate list of hexadecimal plugin UIDs to load in an internal session (default "")
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
jpeg2000 AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 33) (default 0)
MJPEG decoder AVOptions:
-extern_huff <boolean> .D.V....... Use external huffman table. (default false)
MPEG4 Video Decoder AVOptions:
mpeg2_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
photocd AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 4) (default 0)
rasc decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)
rawdec AVOptions:
-top <boolean> .D.V....... top field first (default auto)
SMPTE 302M Decoder AVOptions:
-non_pcm_mode <int> .D..A...... Chooses what to do with NON-PCM (from 0 to 3) (default decode_drop)
copy 0 .D..A...... Pass NON-PCM through unchanged
drop 1 .D..A...... Drop NON-PCM
decode_copy 2 .D..A...... Decode if possible else passthrough
decode_drop 3 .D..A...... Decode if possible else drop
TIFF decoder AVOptions:
-subimage <boolean> .D.V....... decode subimage instead if available (default false)
-thumbnail <boolean> .D.V....... decode embedded thumbnail subimage instead if available (default false)
-page <int> .D.V....... page number of multi-page image to decode (starting from 1) (from 0 to 65535) (default 0)
V210 Decoder AVOptions:
-custom_stride <int> .D.V....... Custom V210 stride (from INT_MIN to INT_MAX) (default 0)
vc1_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
AAC decoder AVOptions:
-dual_mono_mode <int> .D..A...... Select the channel to decode for dual mono (from -1 to 2) (default auto)
auto -1 .D..A...... autoselection
main 1 .D..A...... Select Main/Left channel
sub 2 .D..A...... Select Sub/Right channel
both 0 .D..A...... Select both channels
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
(E-)AC3 decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-target_level <int> .D..A...... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Fixed-Point AC-3 Decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
alac AVOptions:
-extra_bits_bug <boolean> .D..A...... Force non-standard decoding process (default false)
APE decoder AVOptions:
-max_samples <int> .D..A...... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608)
all 2147483647 .D..A...... no maximum. decode all samples for each packet at once
DCA decoder AVOptions:
-core_only <boolean> .D..A...... Decode core only without extensions (default false)
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Dolby E decoder AVOptions:
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
(E-)AC3 decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-target_level <int> .D..A...... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
evrc AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)
FLAC decoder AVOptions:
-use_buggy_lpc <boolean> .D..A...... emulate old buggy lavc behavior (default false)
G.723.1 decoder AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)
MLP decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Opus Decoder AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)
TrueHD decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
TTA Decoder AVOptions:
-password <string> .D..A...... Set decoding password
g722 decoder AVOptions:
-bits_per_codeword <int> .D..A...... Bits per G722 codeword (from 6 to 8) (default 8)
Closed caption Decoder AVOptions:
-real_time <boolean> .D...S..... emit subtitle events as they are decoded for real-time display (default false)
-real_time_latency_msec <int> .D...S..... minimum elapsed time between emitting real-time subtitle events (from 0 to 500) (default 200)
-data_field <int> .D...S..... select data field (from -1 to 1) (default auto)
auto -1 .D...S..... pick first one that appears
first 0 .D...S.....
second 1 .D...S.....
DVB Sub Decoder AVOptions:
-compute_edt <boolean> .D...S..... compute end of time using pts or timeout (default false)
-compute_clut <boolean> .D...S..... compute clut when not available(-1) or only once (-2) or always(1) or never(0) (default auto)
-dvb_substream <int> .D...S..... (from -1 to 63) (default -1)
dvdsubdec AVOptions:
-palette <string> .D...S..... set the global palette
-ifo_palette <string> .D...S..... obtain the global palette from .IFO file
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)
MOV text decoder AVOptions:
-width <int> .D...S..... Frame width, usually video width (from 0 to INT_MAX) (default 0)
-height <int> .D...S..... Frame height, usually video height (from 0 to INT_MAX) (default 0)
PGS subtitle decoder AVOptions:
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
libdav1d decoder AVOptions:
-tilethreads <int> .D.V......P Tile threads (from 0 to 256) (default 0)
-framethreads <int> .D.V......P Frame threads (from 0 to 256) (default 0)
-filmgrain <boolean> .D.V......P Apply Film Grain (default auto)
-oppoint <int> .D.V....... Select an operating point of the scalable bitstream (from -1 to 31) (default -1)
-alllayers <boolean> .D.V....... Output all spatial layers (default false)
libfdk-aac decoder AVOptions:
-conceal <int> .D..A...... Error concealment method (from 0 to 2) (default noise)
spectral 0 .D..A...... Spectral muting
noise 1 .D..A...... Noise Substitution
energy 2 .D..A...... Energy Interpolation
-drc_boost <int> .D..A...... Dynamic Range Control: boost, where [0] is none and [127] is max boost (from -1 to 127) (default -1)
-drc_cut <int> .D..A...... Dynamic Range Control: attenuation factor, where [0] is none and [127] is max compression (from -1 to 127) (default -1)
-drc_level <int> .D..A...... Dynamic Range Control: reference level, quantized to 0.25dB steps where [0] is 0dB and [127] is -31.75dB, -1 for auto, and -2 for disabled (from -2 to 127) (default -1)
-drc_heavy <int> .D..A...... Dynamic Range Control: heavy compression, where [1] is on (RF mode) and [0] is off (from -1 to 1) (default -1)
-level_limit <boolean> .D..A...... Signal level limiting (default auto)
-drc_effect <int> .D..A...... Dynamic Range Control: effect type, where e.g. [0] is none and [6] is general (from -1 to 8) (default -1)
-album_mode <int> .D..A...... Dynamic Range Control: album mode, where [0] is off and [1] is on (from -1 to 1) (default -1)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
libilbc AVOptions:
-enhance <int> .D..A...... Enhance the decoded audio (adds delay) (from 0 to 1) (default 0)
libopenjpeg AVOptions:
-lowqual <int> .D.V....... Limit the number of layers used for decoding (from 0 to INT_MAX) (default 0)
libopusdec AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)
libzvbi_teletextdec AVOptions:
-txt_page <string> .D...S..... page numbers to decode, subtitle for subtitles, * for all (default "*")
-txt_default_region <int> .D...S..... default G0 character set used for decoding (from -1 to 87) (default -1)
-txt_chop_top <int> .D...S..... discards the top teletext line (from 0 to 1) (default 1)
-txt_format <int> .D...S..... format of the subtitles (bitmap or text or ass) (from 0 to 2) (default bitmap)
bitmap 0 .D...S.....
text 1 .D...S.....
ass 2 .D...S.....
-txt_left <int> .D...S..... x offset of generated bitmaps (from 0 to 65535) (default 0)
-txt_top <int> .D...S..... y offset of generated bitmaps (from 0 to 65535) (default 0)
-txt_chop_spaces <int> .D...S..... chops leading and trailing spaces from text (from 0 to 1) (default 1)
-txt_duration <int> .D...S..... display duration of teletext pages in msecs (from -1 to 8.64e+07) (default -1)
-txt_transparent <int> .D...S..... force transparent background of the teletext (from 0 to 1) (default 0)
-txt_opacity <int> .D...S..... set opacity of the transparent background (from -1 to 255) (default -1)
AV1 decoder AVOptions:
-operating_point <int> .D.V....... Select an operating point of the scalable bitstream (from 0 to 31) (default 0)
av1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
av1_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
h264_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
hevc_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
mjpeg_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
mjpeg_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
mpeg1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
mpeg2_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
mpeg4_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
vc1_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
vp8_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
vp8_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
vp9_cuvid AVOptions:
-deint <int> .D.V....... Set deinterlacing mode (from 0 to 2) (default weave)
weave 0 .D.V....... Weave deinterlacing (do nothing)
bob 1 .D.V....... Bob deinterlacing
adaptive 2 .D.V....... Adaptive deinterlacing
-gpu <string> .D.V....... GPU to be used for decoding
-surfaces <int> .D.V....... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25)
-drop_second_field <boolean> .D.V....... Drop second field when deinterlacing (default false)
-crop <string> .D.V....... Crop (top)x(bottom)x(left)x(right)
-resize <string> .D.V....... Resize (width)x(height)
vp9_qsv AVOptions:
-async_depth <int> .D.V....... Internal parallelization depth, the higher the value the higher the latency. (from 1 to INT_MAX) (default 4)
-gpu_copy <int> .D.V....... A GPU-accelerated copy between video and system memory (from 0 to 2) (default default)
default 0 .D.V.......
on 1 .D.V.......
off 2 .D.V.......
AVFormatContext AVOptions:
-avioflags <flags> ED......... (default 0)
direct ED......... reduce buffering
-probesize <int64> .D......... set probing size (from 32 to I64_MAX) (default 5000000)
-formatprobesize <int> .D......... number of bytes to probe file format (from 0 to 2.14748e+09) (default 1048576)
-packetsize <int> E.......... set packet size (from 0 to INT_MAX) (default 0)
-fflags <flags> ED......... (default autobsf)
flush_packets E.......... reduce the latency by flushing out packets immediately
ignidx .D......... ignore index
genpts .D......... generate pts
nofillin .D......... do not fill in missing values that can be exactly calculated
noparse .D......... disable AVParsers, this needs nofillin too
igndts .D......... ignore dts
discardcorrupt .D......... discard corrupted frames
sortdts .D......... try to interleave outputted packets by dts
fastseek .D......... fast but inaccurate seeks
nobuffer .D......... reduce the latency introduced by optional buffering
bitexact E.......... do not write random/volatile data
shortest E.......... stop muxing with the shortest stream
autobsf E.......... add needed bsfs automatically
-seek2any <boolean> .D......... allow seeking to non-keyframes on demuxer level when supported (default false)
-analyzeduration <int64> .D......... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0)
-cryptokey <binary> .D......... decryption key
-indexmem <int> .D......... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1048576)
-rtbufsize <int> .D......... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3041280)
-fdebug <flags> ED......... print specific debug info (default 0)
ts ED.........
-max_delay <int> ED......... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1)
-start_time_realtime <int64> E.......... wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN)
-fpsprobesize <int> .D......... number of frames used to probe fps (from -1 to 2.14748e+09) (default -1)
-audio_preload <int> E.......... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09) (default 0)
-chunk_duration <int> E.......... microseconds for each chunk (from 0 to 2.14748e+09) (default 0)
-chunk_size <int> E.......... size in bytes for each chunk (from 0 to 2.14748e+09) (default 0)
-f_err_detect <flags> .D......... set error detection flags (deprecated; use err_detect, save via avconv) (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-err_detect <flags> .D......... set error detection flags (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-use_wallclock_as_timestamps <boolean> .D......... use wallclock as timestamps (default false)
-skip_initial_bytes <int64> .D......... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0)
-correct_ts_overflow <boolean> .D......... correct single timestamp overflows (default true)
-flush_packets <int> E.......... enable flushing of the I/O context after each packet (from -1 to 1) (default -1)
-metadata_header_padding <int> E.......... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1)
-output_ts_offset <duration> E.......... set output timestamp offset (default 0)
-max_interleave_delta <int64> E.......... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 10000000)
-f_strict <int> ED......... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-strict <int> ED......... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-max_ts_probe <int> .D......... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50)
-avoid_negative_ts <int> E.......... shift timestamps so they start at 0 (from -1 to 2) (default auto)
auto -1 E.......... enabled when required by target format
disabled 0 E.......... do not change timestamps
make_non_negative 1 E.......... shift timestamps so they are non negative
make_zero 2 E.......... shift timestamps so they start at 0
-dump_separator <string> ED......... set information dump field separator (default ", ")
-codec_whitelist <string> .D......... List of decoders that are allowed to be used
-format_whitelist <string> .D......... List of demuxers that are allowed to be used
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-max_streams <int> .D......... maximum number of streams (from 0 to INT_MAX) (default 1000)
-skip_estimate_duration_from_pts <boolean> .D......... skip duration calculation in estimate_timings_from_pts (default false)
-max_probe_packets <int> .D......... Maximum number of packets to probe a codec (from 0 to INT_MAX) (default 2500)
AVIOContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
URLContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-rw_timeout <int64> ED......... Timeout for IO operations (in microseconds) (from 0 to I64_MAX) (default 0)
Async AVOptions:
bluray AVOptions:
-playlist <int> .D......... (from -1 to 99999) (default -1)
-angle <int> .D......... (from 0 to 254) (default 0)
-chapter <int> .D......... (from 1 to 65534) (default 1)
cache AVOptions:
-read_ahead_limit <int> .D......... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)
crypto AVOptions:
-key <binary> ED......... AES encryption/decryption key
-iv <binary> ED......... AES encryption/decryption initialization vector
-decryption_key <binary> .D......... AES decryption key
-decryption_iv <binary> .D......... AES decryption initialization vector
-encryption_key <binary> E.......... AES encryption key
-encryption_iv <binary> E.......... AES encryption initialization vector
file AVOptions:
-truncate <boolean> E.......... truncate existing files on write (default true)
-blocksize <int> E.......... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
-follow <int> .D......... Follow a file as it is being written (from 0 to 1) (default 0)
-seekable <int> ED......... Sets if the file is seekable (from -1 to 0) (default -1)
ftp AVOptions:
-timeout <int> ED......... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
-ftp-write-seekable <boolean> E.......... control seekability of connection during encoding (default false)
-ftp-anonymous-password <string> ED......... password for anonymous login. E-mail address should be used.
-ftp-user <string> ED......... user for FTP login. Overridden by whatever is in the URL.
-ftp-password <string> ED......... password for FTP login. Overridden by whatever is in the URL.
http AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-chunked_post <boolean> E.......... use chunked transfer-encoding for posts (default true)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/LIBAVFORMAT_VERSION")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-send_expect_100 <boolean> E.......... Force sending an Expect: 100-continue header for POST (default auto)
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-resource <string> E.......... The resource requested by a client
-reply_code <int> E.......... The http status code to return to a client (from INT_MIN to 599) (default 200)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)
https AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-chunked_post <boolean> E.......... use chunked transfer-encoding for posts (default true)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/LIBAVFORMAT_VERSION")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-send_expect_100 <boolean> E.......... Force sending an Expect: 100-continue header for POST (default auto)
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-resource <string> E.......... The resource requested by a client
-reply_code <int> E.......... The http status code to return to a client (from INT_MIN to 599) (default 200)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)
icecast AVOptions:
-ice_genre <string> E.......... set stream genre
-ice_name <string> E.......... set stream description
-ice_description <string> E.......... set stream description
-ice_url <string> E.......... set stream website
-ice_public <boolean> E.......... set if stream is public (default false)
-user_agent <string> E.......... override User-Agent header
-password <string> E.......... set password
-content_type <string> E.......... set content-type, MUST be set if not audio/mpeg
-legacy_icecast <boolean> E.......... use legacy SOURCE method, for Icecast < v2.4 (default false)
-tls <boolean> E.......... use a TLS connection (default false)
pipe AVOptions:
-blocksize <int> E.......... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
prompeg AVOptions:
-ttl <int> E.......... Time to live (in milliseconds, multicast only) (from -1 to INT_MAX) (default -1)
-l <int> E.......... FEC L (from 4 to 20) (default 5)
-d <int> E.......... FEC D (from 4 to 20) (default 5)
rtp AVOptions:
-ttl <int> ED......... Time to live (multicast only) (from -1 to 255) (default -1)
-buffer_size <int> ED......... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rtcp_port <int> ED......... Custom rtcp port (from -1 to INT_MAX) (default -1)
-local_rtpport <int> ED......... Local rtp port (from -1 to INT_MAX) (default -1)
-local_rtcpport <int> ED......... Local rtcp port (from -1 to INT_MAX) (default -1)
-connect <boolean> ED......... Connect socket (default false)
-write_to_source <boolean> ED......... Send packets to the source address of the latest received packet (default false)
-pkt_size <int> ED......... Maximum packet size (from -1 to INT_MAX) (default -1)
-dscp <int> ED......... DSCP class (from -1 to INT_MAX) (default -1)
-timeout <int64> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to I64_MAX) (default -1)
-sources <string> ED......... Source list
-block <string> ED......... Block list
-fec <string> E.......... FEC
-localaddr <string> ED......... Local address
srtp AVOptions:
-srtp_out_suite <string> E..........
-srtp_out_params <string> E..........
-srtp_in_suite <string> .D.........
-srtp_in_params <string> .D.........
subfile AVOptions:
-start <int64> .D......... start offset (from 0 to I64_MAX) (default 0)
-end <int64> .D......... end offset (from 0 to I64_MAX) (default 0)
tee AVOptions:
tcp AVOptions:
-listen <int> ED......... Listen for incoming connections (from 0 to 2) (default 0)
-timeout <int> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1)
-listen_timeout <int> ED......... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1)
-send_buffer_size <int> ED......... Socket send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-recv_buffer_size <int> ED......... Socket receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-tcp_nodelay <boolean> ED......... Use TCP_NODELAY to disable nagle's algorithm (default false)
tls AVOptions:
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-listen <int> ED......... Listen for incoming connections (from 0 to 1) (default 0)
-verifyhost <string> ED......... Verify against a specific hostname
-http_proxy <string> ED......... Set proxy to tunnel through
udp AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-bitrate <int64> E.......... Bits to send per second (from 0 to I64_MAX) (default 0)
-burst_bits <int64> E.......... Max length of bursts in bits (when using bitrate) (from 0 to I64_MAX) (default 0)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-broadcast <boolean> E.......... explicitly allow or disallow broadcast destination (default false)
-ttl <int> E.......... Time to live (multicast only) (from 0 to 255) (default 16)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list
udplite AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-bitrate <int64> E.......... Bits to send per second (from 0 to I64_MAX) (default 0)
-burst_bits <int64> E.......... Max length of bursts in bits (when using bitrate) (from 0 to I64_MAX) (default 0)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-broadcast <boolean> E.......... explicitly allow or disallow broadcast destination (default false)
-ttl <int> E.......... Time to live (multicast only) (from 0 to 255) (default 16)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list
librist AVOptions:
-rist_profile <int> ED......... set profile (from 0 to 2) (default main)
simple 0 ED.........
main 1 ED.........
advanced 2 ED.........
-buffer_size <int> ED......... set buffer_size in ms (from 0 to 30000) (default 0)
-fifo_size <int> ED......... set fifo buffer size, must be a power of 2 (from 32 to 262144) (default 8192)
-overrun_nonfatal <boolean> .D......... survive in case of receiving fifo buffer overrun (default false)
-pkt_size <int> ED......... set packet size (from 1 to 9972) (default 1316)
-log_level <int> ED......... set loglevel (from -1 to INT_MAX) (default 6)
-secret <string> ED......... set encryption secret
-encryption <int> ED......... set encryption type (from 0 to INT_MAX) (default 0)
librtmp protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)
librtmpe protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)
librtmps protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)
librtmpt protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)
librtmpte protocol AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <string> ED......... Set buffer time in milliseconds. The default is 3000. (default "3000")
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default recorded)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically. (unimplemented)
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_buffer_size <int> ED......... set buffer size in bytes (from -1 to INT_MAX) (default -1)
libsrt AVOptions:
-timeout <int64> ED......... Timeout of socket I/O operations (in microseconds) (from -1 to I64_MAX) (default -1)
-listen_timeout <int64> ED......... Connection awaiting timeout (in microseconds) (from -1 to I64_MAX) (default -1)
-send_buffer_size <int> ED......... Socket send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-recv_buffer_size <int> ED......... Socket receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-pkt_size <int> ED......... Maximum SRT packet size (from -1 to 1456) (default -1)
ts_size 1316 ED.........
max_size 1456 ED.........
-payload_size <int> ED......... Maximum SRT packet size (from -1 to 1456) (default -1)
ts_size 1316 ED.........
max_size 1456 ED.........
-maxbw <int64> ED......... Maximum bandwidth (bytes per second) that the connection can use (from -1 to I64_MAX) (default -1)
-pbkeylen <int> ED......... Crypto key len in bytes {16,24,32} Default: 16 (128-bit) (from -1 to 32) (default -1)
-passphrase <string> ED......... Crypto PBKDF2 Passphrase size[0,10..64] 0:disable crypto
-enforced_encryption <boolean> ED......... Enforces that both connection parties have the same passphrase set (default auto)
-kmrefreshrate <int> ED......... The number of packets to be transmitted after which the encryption key is switched to a new key (from -1 to INT_MAX) (default -1)
-kmpreannounce <int> ED......... The interval between when a new encryption key is sent and when switchover occurs (from -1 to INT_MAX) (default -1)
-snddropdelay <int64> ED......... The sender's extra delay(in microseconds) before dropping packets (from -2 to I64_MAX) (default -2)
-mss <int> ED......... The Maximum Segment Size (from -1 to 1500) (default -1)
-ffs <int> ED......... Flight flag size (window size) (in bytes) (from -1 to INT_MAX) (default -1)
-ipttl <int> ED......... IP Time To Live (from -1 to 255) (default -1)
-iptos <int> ED......... IP Type of Service (from -1 to 255) (default -1)
-inputbw <int64> ED......... Estimated input stream rate (from -1 to I64_MAX) (default -1)
-oheadbw <int> ED......... MaxBW ceiling based on % over input stream rate (from -1 to 100) (default -1)
-latency <int64> ED......... receiver delay (in microseconds) to absorb bursts of missed packet retransmissions (from -1 to I64_MAX) (default -1)
-tsbpddelay <int64> ED......... deprecated, same effect as latency option (from -1 to I64_MAX) (default -1)
-rcvlatency <int64> ED......... receive latency (in microseconds) (from -1 to I64_MAX) (default -1)
-peerlatency <int64> ED......... peer latency (in microseconds) (from -1 to I64_MAX) (default -1)
-tlpktdrop <boolean> ED......... Enable too-late pkt drop (default auto)
-nakreport <boolean> ED......... Enable receiver to send periodic NAK reports (default auto)
-connect_timeout <int64> ED......... Connect timeout(in milliseconds). Caller default: 3000, rendezvous (x 10) (from -1 to I64_MAX) (default -1)
-mode <int> ED......... Connection mode (caller, listener, rendezvous) (from 0 to 2) (default caller)
caller 0 ED.........
listener 1 ED.........
rendezvous 2 ED.........
-sndbuf <int> ED......... Send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rcvbuf <int> ED......... Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-lossmaxttl <int> ED......... Maximum possible packet reorder tolerance (from -1 to INT_MAX) (default -1)
-minversion <int> ED......... The minimum SRT version that is required from the peer (from -1 to INT_MAX) (default -1)
-streamid <string> ED......... A string of up to 512 characters that an Initiator can pass to a Responder
-srt_streamid <string> ED......... A string of up to 512 characters that an Initiator can pass to a Responder
-smoother <string> ED......... The type of Smoother used for the transmission for that socket
-messageapi <boolean> ED......... Enable message API (default auto)
-transtype <int> ED......... The transmission type for the socket (from 0 to 2) (default 2)
live 0 ED.........
file 1 ED.........
-linger <int> ED......... Number of seconds that the socket waits for unsent data when closing (from -1 to INT_MAX) (default -1)
-tsbpd <boolean> ED......... Timestamp-based packet delivery (default auto)
zmq AVOptions:
-pkt_size <int> ED......... Maximum send/read packet size (from -1 to INT_MAX) (default 131072)
IPFS AVOptions:
-gateway <string> .D......... The gateway to ask for IPFS data.
IPFS AVOptions:
-gateway <string> .D......... The gateway to ask for IPFS data.
ADTS muxer AVOptions:
-write_id3v2 <boolean> E.......... Enable ID3v2 tag writing (default false)
-write_apetag <boolean> E.......... Enable APE tag writing (default false)
-write_mpeg2 <boolean> E.......... Set MPEG version to MPEG-2 (default false)
AIFF muxer AVOptions:
-write_id3v2 <boolean> E.......... Enable ID3 tags writing. (default false)
-id3v2_version <int> E.......... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4)
alp AVOptions:
-type <int> E...A...... set file type (from 0 to 2) (default auto)
auto 0 E...A...... autodetect based on file extension
tun 1 E...A...... force .tun, used for music
pcm 2 E...A...... force .pcm, used for sfx
APNG muxer AVOptions:
-plays <int> E.......... Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to 65535) (default 1)
-final_delay <rational> E.......... Force delay after the last frame (from 0 to 65535) (default 0/1)
argo_asf_muxer AVOptions:
-version_major <int> E.......... override file major version (from 0 to 65535) (default 2)
-version_minor <int> E.......... override file minor version (from 0 to 65535) (default 1)
-name <string> E.......... embedded file name (max 8 characters)
argo_cvg_muxer AVOptions:
-skip_rate_check <boolean> E.......... skip sample rate check (default false)
ASF (stream) muxer AVOptions:
-packet_size <int> E.......... Packet size (from 100 to 65536) (default 3200)
ass muxer AVOptions:
-ignore_readorder <boolean> E.......... write events immediately, even if they're out-of-order (default false)
AST muxer AVOptions:
-loopstart <int64> E.......... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1)
-loopend <int64> E.......... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0)
ASF (stream) muxer AVOptions:
-packet_size <int> E.......... Packet size (from 100 to 65536) (default 3200)
AVI muxer AVOptions:
-reserve_index_space <int> E.......... reserve space (in bytes) at the beginning of the file for each stream index (from 0 to INT_MAX) (default 0)
-write_channel_mask <boolean> E.......... write channel mask into wave format header (default true)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps are stored bottom-up (default false)
dash muxer AVOptions:
-adaptation_sets <string> E.......... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
-window_size <int> E.......... number of segments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of segments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-seg_duration <duration> E.......... segment duration (in seconds, fractional value can be set) (default 5)
-frag_duration <duration> E.......... fragment duration (in seconds, fractional value can be set) (default 0)
-frag_type <int> E.......... set type of interval for fragments (from 0 to 3) (default none)
none 0 E.......... one fragment per segment
every_frame 1 E.......... fragment at every frame
duration 2 E.......... fragment at specific time intervals
pframes 3 E.......... fragment at keyframes and following P-Frame reordering (Video only, experimental)
-remove_at_exit <boolean> E.......... remove all segments when finished (default false)
-use_template <boolean> E.......... Use SegmentTemplate instead of SegmentList (default true)
-use_timeline <boolean> E.......... Use SegmentTimeline in SegmentTemplate (default true)
-single_file <boolean> E.......... Store all segments in one file, accessed using byte ranges (default false)
-single_file_name <string> E.......... DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges
-init_seg_name <string> E.......... DASH-templated name to used for the initialization segment (default "init-stream$RepresentationID$.$ext$")
-media_seg_name <string> E.......... DASH-templated name to used for the media segments (default "chunk-stream$RepresentationID$-$Number%05d$.$ext$")
-utc_timing_url <string> E.......... URL of the page that will return the UTC timestamp in ISO format
-method <string> E.......... set the HTTP method
-http_user_agent <string> E.......... override User-Agent field in HTTP header
-http_persistent <boolean> E.......... Use persistent HTTP connections (default false)
-hls_playlist <boolean> E.......... Generate HLS playlist files(master.m3u8, media_%d.m3u8) (default false)
-hls_master_name <string> E.......... HLS master playlist name (default "master.m3u8")
-streaming <boolean> E.......... Enable/Disable streaming mode of output. Each frame will be moof fragment (default false)
-timeout <duration> E.......... set timeout for socket I/O operations (default -0.000001)
-index_correction <boolean> E.......... Enable/Disable segment index correction logic (default false)
-format_options <dictionary> E.......... set list of options for the container format (mp4/webm) used for dash
-global_sidx <boolean> E.......... Write global SIDX atom. Applicable only for single file, mp4 output, non-streaming mode (default false)
-dash_segment_type <int> E.......... set dash segment files type (from 0 to 2) (default auto)
auto 0 E.......... select segment file format based on codec
mp4 1 E.......... make segment file in ISOBMFF format
webm 2 E.......... make segment file in WebM format
-ignore_io_errors <boolean> E.......... Ignore IO errors during open and write. Useful for long-duration runs with network output (default false)
-lhls <boolean> E.......... Enable Low-latency HLS(Experimental). Adds #EXT-X-PREFETCH tag with current segment's URI (default false)
-ldash <boolean> E.......... Enable Low-latency dash. Constrains the value of a few elements (default false)
-master_m3u8_publish_rate <int> E.......... Publish master playlist every after this many segment intervals (from 0 to UINT32_MAX) (default 0)
-write_prft <boolean> E.......... Write producer reference time element (default auto)
-mpd_profile <flags> E.......... Set profiles. Elements and values used in the manifest may be constrained by them (default dash)
dash E.......... MPEG-DASH ISO Base media file format live profile
dvb_dash E.......... DVB-DASH profile
-http_opts <dictionary> E.......... HTTP protocol options
-target_latency <duration> E.......... Set desired target latency for Low-latency dash (default 0)
-min_playback_rate <rational> E.......... Set desired minimum playback rate (from 0.5 to 1.5) (default 1/1)
-max_playback_rate <rational> E.......... Set desired maximum playback rate (from 0.5 to 1.5) (default 1/1)
-update_period <int64> E.......... Set the mpd update interval (from 0 to I64_MAX) (default 0)
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
Fifo muxer AVOptions:
-fifo_format <string> E.......... Target muxer
-queue_size <int> E.......... Size of fifo queue (from 1 to INT_MAX) (default 60)
-format_opts <dictionary> E.......... Options to be passed to underlying muxer
-drop_pkts_on_overflow <boolean> E.......... Drop packets on fifo queue overflow not to block encoder (default false)
-restart_with_keyframe <boolean> E.......... Wait for keyframe when restarting output (default false)
-attempt_recovery <boolean> E.......... Attempt recovery in case of failure (default false)
-max_recovery_attempts <int> E.......... Maximal number of recovery attempts (from 0 to INT_MAX) (default 0)
-recovery_wait_time <duration> E.......... Waiting time between recovery attempts (default 5)
-recovery_wait_streamtime <boolean> E.......... Use stream time instead of real time while waiting for recovery (default false)
-recover_any_error <boolean> E.......... Attempt recovery regardless of type of the error (default false)
-timeshift <duration> E.......... Delay fifo output (default 0)
Fifo test muxer AVOptions:
-write_header_ret <int> E.......... write_header() return value (from INT_MIN to INT_MAX) (default 0)
-write_trailer_ret <int> E.......... write_trailer() return value (from INT_MIN to INT_MAX) (default 0)
-print_deinit_summary <boolean> E.......... print summary when deinitializing muxer (default true)
flac muxer AVOptions:
-write_header <boolean> E.......... Write the file header (default true)
flv muxer AVOptions:
-flvflags <flags> E.......... FLV muxer flags (default 0)
aac_seq_header_detect E.......... Put AAC sequence header based on stream data
no_sequence_end E.......... disable sequence end for FLV
no_metadata E.......... disable metadata for FLV
no_duration_filesize E.......... disable duration and filesize zero value metadata for FLV
add_keyframe_index E.......... Add keyframe index metadata
frame hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")
-format_version <int> E.......... file format version (from 1 to 2) (default 2)
frame MD5 muxer AVOptions:
-hash <string> E.......... set hash to use (default "md5")
-format_version <int> E.......... file format version (from 1 to 2) (default 2)
GIF muxer AVOptions:
-loop <int> E.......... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0)
-final_delay <int> E.......... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1)
(stream) hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")
HDS muxer AVOptions:
-window_size <int> E.......... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-min_frag_duration <int64> E.......... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 10000000)
-remove_at_exit <boolean> E.......... remove all fragments when finished (default false)
hls muxer AVOptions:
-start_number <int64> E.......... set first number in the sequence (from 0 to I64_MAX) (default 0)
-hls_time <duration> E.......... set segment length (default 2)
-hls_init_time <duration> E.......... set segment length at init list (default 0)
-hls_list_size <int> E.......... set maximum number of playlist entries (from 0 to INT_MAX) (default 5)
-hls_delete_threshold <int> E.......... set number of unreferenced segments to keep before deleting (from 1 to INT_MAX) (default 1)
-hls_ts_options <dictionary> E.........P set hls mpegts list of options for the container format used for hls (deprecated, use hls_segment_options instead of it.)
-hls_vtt_options <string> E.......... set hls vtt list of options for the container format used for hls
-hls_allow_cache <int> E.......... explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments (from INT_MIN to INT_MAX) (default -1)
-hls_base_url <string> E.......... url to prepend to each playlist entry
-hls_segment_filename <string> E.......... filename template for segment files
-hls_segment_options <dictionary> E.......... set segments files format options of hls
-hls_segment_size <int> E.......... maximum size per segment file, (in bytes) (from 0 to INT_MAX) (default 0)
-hls_key_info_file <string> E.......... file with key URI and key file path
-hls_enc <boolean> E.......... enable AES128 encryption support (default false)
-hls_enc_key <string> E.......... hex-coded 16 byte key to encrypt the segments
-hls_enc_key_url <string> E.......... url to access the key to decrypt the segments
-hls_enc_iv <string> E.......... hex-coded 16 byte initialization vector
-hls_subtitle_path <string> E.......... set path of hls subtitles
-hls_segment_type <int> E.......... set hls segment files type (from 0 to 1) (default mpegts)
mpegts 0 E.......... make segment file to mpegts files in m3u8
fmp4 1 E.......... make segment file to fragment mp4 files in m3u8
-hls_fmp4_init_filename <string> E.......... set fragment mp4 file init filename (default "init.mp4")
-hls_fmp4_init_resend <boolean> E.......... resend fragment mp4 init file after refresh m3u8 every time (default false)
-hls_flags <flags> E.......... set flags affecting HLS playlist and media file generation (default 0)
single_file E.......... generate a single media file indexed with byte ranges
temp_file E.......... write segment and playlist to temporary file and rename when complete
delete_segments E.......... delete segment files that are no longer part of the playlist
round_durations E.......... round durations in m3u8 to whole numbers
discont_start E.......... start the playlist with a discontinuity tag
omit_endlist E.......... Do not append an endlist when ending stream
split_by_time E.......... split the hls segment by time which user set by hls_time
append_list E.......... append the new segments into old hls segment list
program_date_time E.......... add EXT-X-PROGRAM-DATE-TIME
second_level_segment_index E.......... include segment index in segment filenames when use_localtime
second_level_segment_duration E.......... include segment duration in segment filenames when use_localtime
second_level_segment_size E.......... include segment size in segment filenames when use_localtime
periodic_rekey E.......... reload keyinfo file periodically for re-keying
independent_segments E.......... add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable
iframes_only E.......... add EXT-X-I-FRAMES-ONLY, whenever applicable
-strftime <boolean> E.......... set filename expansion with strftime at segment creation (default false)
-strftime_mkdir <boolean> E.......... create last directory component in strftime-generated filename (default false)
-hls_playlist_type <int> E.......... set the HLS playlist type (from 0 to 2) (default 0)
event 1 E.......... EVENT playlist
vod 2 E.......... VOD playlist
-method <string> E.......... set the HTTP method(default: PUT)
-hls_start_number_source <int> E.......... set source of first number in sequence (from 0 to 3) (default generic)
generic 0 E.......... start_number value (default)
epoch 1 E.......... seconds since epoch
epoch_us 3 E.......... microseconds since epoch
datetime 2 E.......... current datetime as YYYYMMDDhhmmss
-http_user_agent <string> E.......... override User-Agent field in HTTP header
-var_stream_map <string> E.......... Variant stream map string
-cc_stream_map <string> E.......... Closed captions stream map string
-master_pl_name <string> E.......... Create HLS master playlist with this name
-master_pl_publish_rate <int> E.......... Publish master play list every after this many segment intervals (from 0 to UINT32_MAX) (default 0)
-http_persistent <boolean> E.......... Use persistent HTTP connections (default false)
-timeout <duration> E.......... set timeout for socket I/O operations (default -0.000001)
-ignore_io_errors <boolean> E.......... Ignore IO errors for stable long-duration runs with network output (default false)
-headers <string> E.......... set custom HTTP headers, can override built in default headers
image2 muxer AVOptions:
-update <boolean> E.......... continuously overwrite one file (default false)
-start_number <int> E.......... set first number in the sequence (from 0 to INT_MAX) (default 1)
-strftime <boolean> E.......... use strftime for filename (default false)
-frame_pts <boolean> E.......... use current frame pts for filename (default false)
-atomic_writing <boolean> E.......... write files atomically (using temporary files and renames) (default false)
-protocol_opts <dictionary> E.......... specify protocol options for the opened files
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
LATM/LOAS muxer AVOptions:
-smc-interval <int> E.......... StreamMuxConfig interval. (from 1 to 65535) (default 20)
MD5 muxer AVOptions:
-hash <string> E.......... set hash to use (default "md5")
matroska/webm muxer AVOptions:
-reserve_index_space <int> E.......... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
-cues_to_front <boolean> E.......... Move Cues (the index) to the front by shifting data if necessary (default false)
-cluster_size_limit <int> E.......... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E.......... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <boolean> E.......... Create a WebM file conforming to WebM DASH specification (default false)
-dash_track_number <int> E.......... Track number for the DASH stream (from 1 to INT_MAX) (default 1)
-live <boolean> E.......... Write files assuming it is a live stream. (default false)
-allow_raw_vfw <boolean> E.......... allow RAW VFW mode (default false)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps in VFW mode are stored bottom-up (default false)
-write_crc32 <boolean> E.......... write a CRC32 element inside every Level 1 element (default true)
-default_mode <int> E.......... Controls how a track's FlagDefault is inferred (from 0 to 2) (default passthrough)
infer 0 E.......... For each track type, mark each track of disposition default as default; if none exists, mark the first track as default.
infer_no_subs 1 E.......... For each track type, mark each track of disposition default as default; for audio and video: if none exists, mark the first track as default.
passthrough 2 E.......... Use the disposition flag as-is
matroska/webm muxer AVOptions:
-reserve_index_space <int> E.......... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
-cues_to_front <boolean> E.......... Move Cues (the index) to the front by shifting data if necessary (default false)
-cluster_size_limit <int> E.......... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E.......... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <boolean> E.......... Create a WebM file conforming to WebM DASH specification (default false)
-dash_track_number <int> E.......... Track number for the DASH stream (from 1 to INT_MAX) (default 1)
-live <boolean> E.......... Write files assuming it is a live stream. (default false)
-allow_raw_vfw <boolean> E.......... allow RAW VFW mode (default false)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps in VFW mode are stored bottom-up (default false)
-write_crc32 <boolean> E.......... write a CRC32 element inside every Level 1 element (default true)
-default_mode <int> E.......... Controls how a track's FlagDefault is inferred (from 0 to 2) (default passthrough)
infer 0 E.......... For each track type, mark each track of disposition default as default; if none exists, mark the first track as default.
infer_no_subs 1 E.......... For each track type, mark each track of disposition default as default; for audio and video: if none exists, mark the first track as default.
passthrough 2 E.......... Use the disposition flag as-is
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
MP3 muxer AVOptions:
-id3v2_version <int> E.......... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4)
-write_id3v1 <boolean> E.......... Enable ID3v1 writing. ID3v1 tags are written in UTF-8 which may not be supported by most software. (default false)
-write_xing <boolean> E.......... Write the Xing header containing file duration. (default true)
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+09) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+09) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+09) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+09) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
mpeg/(s)vcd/vob/dvd muxer AVOptions:
-muxrate <int> E.......... (from 0 to 1.67772e+09) (default 0)
-preload <int> E.......... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
MPEGTS muxer AVOptions:
-mpegts_transport_stream_id <int> E.......... Set transport_stream_id field. (from 1 to 65535) (default 1)
-mpegts_original_network_id <int> E.......... Set original_network_id field. (from 1 to 65535) (default 65281)
-mpegts_service_id <int> E.......... Set service_id field. (from 1 to 65535) (default 1)
-mpegts_service_type <int> E.......... Set service_type field. (from 1 to 255) (default digital_tv)
digital_tv 1 E.......... Digital Television.
digital_radio 2 E.......... Digital Radio.
teletext 3 E.......... Teletext.
advanced_codec_digital_radio 10 E.......... Advanced Codec Digital Radio.
mpeg2_digital_hdtv 17 E.......... MPEG2 Digital HDTV.
advanced_codec_digital_sdtv 22 E.......... Advanced Codec Digital SDTV.
advanced_codec_digital_hdtv 25 E.......... Advanced Codec Digital HDTV.
hevc_digital_hdtv 31 E.......... HEVC Digital Television Service.
-mpegts_pmt_start_pid <int> E.......... Set the first pid of the PMT. (from 32 to 8186) (default 4096)
-mpegts_start_pid <int> E.......... Set the first pid. (from 32 to 8186) (default 256)
-mpegts_m2ts_mode <boolean> E.......... Enable m2ts mode. (default auto)
-muxrate <int> E.......... (from 0 to INT_MAX) (default 1)
-pes_payload_size <int> E.......... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930)
-mpegts_flags <flags> E.......... MPEG-TS muxing flags (default 0)
resend_headers E.......... Reemit PAT/PMT before writing the next packet
latm E.......... Use LATM packetization for AAC
pat_pmt_at_frames E.......... Reemit PAT and PMT at each video frame
system_b E.......... Conform to System B (DVB) instead of System A (ATSC)
initial_discontinuity E.......... Mark initial packets as discontinuous
nit E.......... Enable NIT transmission
-mpegts_copyts <boolean> E.......... don't offset dts/pts (default auto)
-tables_version <int> E.......... set PAT, PMT, SDT and NIT version (from 0 to 31) (default 0)
-omit_video_pes_length <boolean> E.......... Omit the PES packet length for video packets (default true)
-pcr_period <int> E.......... PCR retransmission time in milliseconds (from -1 to INT_MAX) (default -1)
-pat_period <duration> E.......... PAT/PMT retransmission time limit in seconds (default 0.1)
-sdt_period <duration> E.......... SDT retransmission time limit in seconds (default 0.5)
-nit_period <duration> E.......... NIT retransmission time limit in seconds (default 0.5)
mpjpeg_muxer AVOptions:
-boundary_tag <string> E.......... Boundary tag (default "ffmpeg")
MXF muxer AVOptions:
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default true)
MXF-D10 muxer AVOptions:
-d10_channelcount <int> E.......... Force/set channelcount in generic sound essence descriptor (from -1 to 8) (default -1)
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default false)
MXF-OPAtom muxer AVOptions:
-mxf_audio_edit_rate <rational> E.......... Audio edit rate for timecode (from 0 to INT_MAX) (default 25/1)
-signal_standard <int> E.......... Force/set Signal Standard (from -1 to 7) (default -1)
bt601 1 E.......... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
bt1358 2 E.......... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
smpte347m 3 E.......... SMPTE 347M (540 Mbps mappings)
smpte274m 4 E.......... SMPTE 274M (1125 line)
smpte296m 5 E.......... SMPTE 296M (750 line progressive)
smpte349m 6 E.......... SMPTE 349M (1485 Mbps mappings)
smpte428 7 E.......... SMPTE 428-1 DCDM
-store_user_comments <boolean> E.......... (default true)
nutenc AVOptions:
-syncpoints <flags> E.......... NUT syncpoint behaviour (default 0)
default E..........
none E.......... Disable syncpoints, low overhead and unseekable
timestamped E.......... Extend syncpoints with a wallclock timestamp
-write_index <boolean> E.......... Write index (default true)
Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)
Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)
Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)
Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
RTP muxer AVOptions:
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-payload_type <int> E.......... Specify RTP payload type (from -1 to 127) (default -1)
-ssrc <int> E.......... Stream identifier (from INT_MIN to INT_MAX) (default 0)
-cname <string> E.......... CNAME to include in RTCP SR packets
-seq <int> E.......... Starting sequence number (from -1 to 65535) (default -1)
rtp_mpegts muxer AVOptions:
-mpegts_muxer_options <dictionary> E.......... set list of options for the MPEG-TS muxer
-rtp_muxer_options <dictionary> E.......... set list of options for the RTP muxer
RTSP muxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
-user_agent <string> .D......... override User-Agent header (default "Lavf59.25.100")
(stream) segment muxer AVOptions:
-reference_stream <string> E.......... set reference stream (default "auto")
-segment_format <string> E.......... set container format used for the segments
-segment_format_options <dictionary> E.......... set list of options for the container format used for the segments
-segment_list <string> E.......... set the segment list filename
-segment_header_filename <string> E.......... write a single file containing the header
-segment_list_flags <flags> E.......... set flags affecting segment list generation (default cache)
cache E.......... allow list caching
live E.......... enable live-friendly list generation (useful for HLS)
-segment_list_size <int> E.......... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0)
-segment_list_type <int> E.......... set the segment list type (from -1 to 4) (default -1)
flat 0 E.......... flat format
csv 1 E.......... csv format
ext 3 E.......... extended format
ffconcat 4 E.......... ffconcat format
m3u8 2 E.......... M3U8 format
hls 2 E.......... Apple HTTP Live Streaming compatible
-segment_atclocktime <boolean> E.......... set segment to be cut at clocktime (default false)
-segment_clocktime_offset <duration> E.......... set segment clocktime offset (default 0)
-segment_clocktime_wrap_duration <duration> E.......... set segment clocktime wrapping duration (default INT64_MAX)
-segment_time <duration> E.......... set segment duration (default 2)
-segment_time_delta <duration> E.......... set approximation value used for the segment times (default 0)
-segment_times <string> E.......... set segment split time points
-segment_frames <string> E.......... set segment split frame numbers
-segment_wrap <int> E.......... set number after which the index wraps (from 0 to INT_MAX) (default 0)
-segment_list_entry_prefix <string> E.......... set base url prefix for segments
-segment_start_number <int> E.......... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
-segment_wrap_number <int> E.......... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
-strftime <boolean> E.......... set filename expansion with strftime at segment creation (default false)
-increment_tc <boolean> E.......... increment timecode between each segment (default false)
-break_non_keyframes <boolean> E.......... allow breaking segments on non-keyframes (default false)
-individual_header_trailer <boolean> E.......... write header/trailer to each segment (default true)
-write_header_trailer <boolean> E.......... write a header to the first segment and a trailer to the last one (default true)
-reset_timestamps <boolean> E.......... reset timestamps at the beginning of each segment (default false)
-initial_offset <duration> E.......... set initial timestamp offset (default 0)
-write_empty_segments <boolean> E.......... allow writing empty 'filler' segments (default false)
(stream) segment muxer AVOptions:
-reference_stream <string> E.......... set reference stream (default "auto")
-segment_format <string> E.......... set container format used for the segments
-segment_format_options <dictionary> E.......... set list of options for the container format used for the segments
-segment_list <string> E.......... set the segment list filename
-segment_header_filename <string> E.......... write a single file containing the header
-segment_list_flags <flags> E.......... set flags affecting segment list generation (default cache)
cache E.......... allow list caching
live E.......... enable live-friendly list generation (useful for HLS)
-segment_list_size <int> E.......... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0)
-segment_list_type <int> E.......... set the segment list type (from -1 to 4) (default -1)
flat 0 E.......... flat format
csv 1 E.......... csv format
ext 3 E.......... extended format
ffconcat 4 E.......... ffconcat format
m3u8 2 E.......... M3U8 format
hls 2 E.......... Apple HTTP Live Streaming compatible
-segment_atclocktime <boolean> E.......... set segment to be cut at clocktime (default false)
-segment_clocktime_offset <duration> E.......... set segment clocktime offset (default 0)
-segment_clocktime_wrap_duration <duration> E.......... set segment clocktime wrapping duration (default INT64_MAX)
-segment_time <duration> E.......... set segment duration (default 2)
-segment_time_delta <duration> E.......... set approximation value used for the segment times (default 0)
-segment_times <string> E.......... set segment split time points
-segment_frames <string> E.......... set segment split frame numbers
-segment_wrap <int> E.......... set number after which the index wraps (from 0 to INT_MAX) (default 0)
-segment_list_entry_prefix <string> E.......... set base url prefix for segments
-segment_start_number <int> E.......... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
-segment_wrap_number <int> E.......... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
-strftime <boolean> E.......... set filename expansion with strftime at segment creation (default false)
-increment_tc <boolean> E.......... increment timecode between each segment (default false)
-break_non_keyframes <boolean> E.......... allow breaking segments on non-keyframes (default false)
-individual_header_trailer <boolean> E.......... write header/trailer to each segment (default true)
-write_header_trailer <boolean> E.......... write a header to the first segment and a trailer to the last one (default true)
-reset_timestamps <boolean> E.......... reset timestamps at the beginning of each segment (default false)
-initial_offset <duration> E.......... set initial timestamp offset (default 0)
-write_empty_segments <boolean> E.......... allow writing empty 'filler' segments (default false)
smooth streaming muxer AVOptions:
-window_size <int> E.......... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
-extra_window_size <int> E.......... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
-lookahead_count <int> E.......... number of lookahead fragments (from 0 to INT_MAX) (default 2)
-min_frag_duration <int64> E.......... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5000000)
-remove_at_exit <boolean> E.......... remove all fragments when finished (default false)
Ogg (audio/video/Speex/Opus) muxer AVOptions:
-serial_offset <int> E.......... serial number offset (from 0 to INT_MAX) (default 0)
-oggpagesize <int> E.......... Set preferred Ogg page size. (from 0 to 65025) (default 0)
-pagesize <int> E.......... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
-page_duration <int64> E.......... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1000000)
spdif AVOptions:
-spdif_flags <flags> E.......... IEC 61937 encapsulation flags (default 0)
be E.......... output in big-endian format (for use as s16be)
-dtshd_rate <int> E.......... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default 0=disabled) (from 0 to 768000) (default 0)
-dtshd_fallback_time <int> E.......... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60)
(stream) hash muxer AVOptions:
-hash <string> E.......... set hash to use (default "sha256")
Tee muxer AVOptions:
-use_fifo <boolean> E.......... Use fifo pseudo-muxer to separate actual muxers from encoder (default false)
-fifo_options <dictionary> E.......... fifo pseudo-muxer options
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
-movflags <flags> E.......... MOV muxer flags (default 0)
rtphint E.......... Add RTP hint tracks
empty_moov E.......... Make the initial moov atom empty
frag_keyframe E.......... Fragment at video keyframes
frag_every_frame E.......... Fragment at every frame
separate_moof E.......... Write separate moof/mdat atoms for each track
frag_custom E.......... Flush fragments on caller requests
isml E.......... Create a live smooth streaming feed (for pushing to a publishing point)
faststart E.......... Run a second pass to put the index (moov atom) at the beginning of the file
omit_tfhd_offset E.......... Omit the base data offset in tfhd atoms
disable_chpl E.......... Disable Nero chapter atom
default_base_moof E.......... Set the default-base-is-moof flag in tfhd atoms
dash E.......... Write DASH compatible fragmented MP4
cmaf E.......... Write CMAF compatible fragmented MP4
frag_discont E.......... Signal that the next fragment is discontinuous from earlier ones
delay_moov E.......... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
global_sidx E.......... Write a global sidx index at the start of the file
skip_sidx E.......... Skip writing of sidx atom
write_colr E.......... Write colr atom even if the color info is unspecified (Experimental, may be renamed or changed, do not use from scripts)
prefer_icc E.......... If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data
write_gama E.......... Write deprecated gama atom
use_metadata_tags E.......... Use mdta atom for metadata.
skip_trailer E.......... Skip writing the mfra/tfra/mfro trailer for fragmented files
negative_cts_offsets E.......... Use negative CTS offsets (reducing the need for edit lists)
-moov_size <int> E.......... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-skip_iods <boolean> E.......... Skip writing iods atom. (default true)
-iods_audio_profile <int> E.......... iods audio profile atom. (from -1 to 255) (default -1)
-iods_video_profile <int> E.......... iods video profile atom. (from -1 to 255) (default -1)
-frag_duration <int> E.......... Maximum fragment duration (from 0 to INT_MAX) (default 0)
-min_frag_duration <int> E.......... Minimum fragment duration (from 0 to INT_MAX) (default 0)
-frag_size <int> E.......... Maximum fragment size (from 0 to INT_MAX) (default 0)
-ism_lookahead <int> E.......... Number of lookahead entries for ISM files (from 0 to 255) (default 0)
-video_track_timescale <int> E.......... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
-brand <string> E.......... Override major brand
-use_editlist <boolean> E.......... use edit list (default auto)
-fragment_index <int> E.......... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
-mov_gamma <float> E.......... gamma value for gama atom (from 0 to 10) (default 0)
-frag_interleave <int> E.......... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
-encryption_scheme <string> E.......... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key <binary> E.......... The media encryption key (hex)
-encryption_kid <binary> E.......... The media encryption key identifier (hex)
-use_stream_ids_as_track_ids <boolean> E.......... use stream ids as track ids (default false)
-write_btrt <boolean> E.......... force or disable writing btrt (default auto)
-write_tmcd <boolean> E.......... force or disable writing tmcd (default auto)
-write_prft <int> E.......... Write producer reference time box with specified time source (from 0 to 2) (default 0)
wallclock 1 E..........
pts 2 E..........
-empty_hdlr_name <boolean> E.......... write zero-length name string in hdlr atoms within mdia and minf atoms (default false)
-movie_timescale <int> E.......... set movie timescale (from 1 to INT_MAX) (default 1000)
WAV muxer AVOptions:
-write_bext <boolean> E.......... Write BEXT chunk. (default false)
-write_peak <int> E.......... Write Peak Envelope chunk. (from 0 to 2) (default off)
off 0 E.......... Do not write peak chunk.
on 1 E.......... Append peak chunk after wav data.
only 2 E.......... Write only peak chunk, omit wav data.
-rf64 <int> E.......... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default never)
auto -1 E.......... Write RF64 header if file grows large enough.
always 1 E.......... Always write RF64 header regardless of file size.
never 0 E.......... Never write RF64 header regardless of file size.
-peak_block_size <int> E.......... Number of audio samples used to generate each peak frame. (from 0 to 65536) (default 256)
-peak_format <int> E.......... The format of the peak envelope data (1: uint8, 2: uint16). (from 1 to 2) (default 2)
-peak_ppv <int> E.......... Number of peak points per peak value (1 or 2). (from 1 to 2) (default 2)
matroska/webm muxer AVOptions:
-reserve_index_space <int> E.......... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
-cues_to_front <boolean> E.......... Move Cues (the index) to the front by shifting data if necessary (default false)
-cluster_size_limit <int> E.......... Store at most the provided amount of bytes in a cluster. (from -1 to INT_MAX) (default -1)
-cluster_time_limit <int64> E.......... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
-dash <boolean> E.......... Create a WebM file conforming to WebM DASH specification (default false)
-dash_track_number <int> E.......... Track number for the DASH stream (from 1 to INT_MAX) (default 1)
-live <boolean> E.......... Write files assuming it is a live stream. (default false)
-allow_raw_vfw <boolean> E.......... allow RAW VFW mode (default false)
-flipped_raw_rgb <boolean> E.......... Raw RGB bitmaps in VFW mode are stored bottom-up (default false)
-write_crc32 <boolean> E.......... write a CRC32 element inside every Level 1 element (default true)
-default_mode <int> E.......... Controls how a track's FlagDefault is inferred (from 0 to 2) (default passthrough)
infer 0 E.......... For each track type, mark each track of disposition default as default; if none exists, mark the first track as default.
infer_no_subs 1 E.......... For each track type, mark each track of disposition default as default; for audio and video: if none exists, mark the first track as default.
passthrough 2 E.......... Use the disposition flag as-is
WebM DASH Manifest muxer AVOptions:
-adaptation_sets <string> E.......... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
-live <boolean> E.......... create a live stream manifest (default false)
-chunk_start_index <int> E.......... start index of the chunk (from 0 to INT_MAX) (default 0)
-chunk_duration_ms <int> E.......... duration of each chunk (in milliseconds) (from 0 to INT_MAX) (default 1000)
-utc_timing_url <string> E.......... URL of the page that will return the UTC timestamp in ISO format
-time_shift_buffer_depth <double> E.......... Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available. (from 1 to DBL_MAX) (default 60)
-minimum_update_period <int> E.......... Minimum Update Period (in seconds) of the manifest. (from 0 to INT_MAX) (default 0)
WebM Chunk Muxer AVOptions:
-chunk_start_index <int> E.......... start index of the chunk (from 0 to INT_MAX) (default 0)
-header <string> E.......... filename of the header where the initialization data will be written
-audio_chunk_duration <int> E.......... duration of each chunk in milliseconds (from 0 to INT_MAX) (default 5000)
-method <string> E.......... set the HTTP method
WebP muxer AVOptions:
-loop <int> E.......... Number of times to loop the output: 0 - infinite loop (from 0 to 65535) (default 1)
chromaprint muxer AVOptions:
-silence_threshold <int> E.......... threshold for detecting silence (from -1 to 32767) (default -1)
-algorithm <int> E.......... version of the fingerprint algorithm (from 0 to INT_MAX) (default 1)
-fp_format <int> E.......... fingerprint format to write (from 0 to 2) (default base64)
raw 0 E.......... binary raw fingerprint
compressed 1 E.......... binary compressed fingerprint
base64 2 E.......... Base64 compressed fingerprint
caca outdev AVOptions:
-window_size <image_size> E.......... set window forced size
-window_title <string> E.......... set window title
-driver <string> E.......... set display driver
-algorithm <string> E.......... set dithering algorithm (default "default")
-antialias <string> E.......... set antialias method (default "default")
-charset <string> E.......... set charset used to render output (default "default")
-color <string> E.......... set color used to render output (default "default")
-list_drivers <boolean> E.......... list available drivers (default false)
-list_dither <string> E.......... list available dither options
algorithms E..........
antialiases E..........
charsets E..........
colors E..........
opengl outdev AVOptions:
-background <color> E.......... set background color (default "black")
-no_window <int> E.......... disable default window (from INT_MIN to INT_MAX) (default 0)
-window_title <string> E.......... set window title
-window_size <image_size> E.......... set window size
sdl2 outdev AVOptions:
-window_title <string> E.......... set SDL window title
-window_size <image_size> E.......... set SDL window forced size
-window_x <int> E.......... set SDL window x position (from INT_MIN to INT_MAX) (default 805240832)
-window_y <int> E.......... set SDL window y position (from INT_MIN to INT_MAX) (default 805240832)
-window_fullscreen <boolean> E.......... set SDL window fullscreen (default false)
-window_borderless <boolean> E.......... set SDL window border off (default false)
-window_enable_quit <int> E.......... set if quit action is available (from 0 to 1) (default 1)
aa AVOptions:
-aa_fixed_key <binary> .D......... Fixed key used for handling Audible AA files
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
Artworx Data Format demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
APNG demuxer AVOptions:
-ignore_loop <boolean> .D......... ignore loop setting (default true)
-max_fps <int> .D......... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 0)
-default_fps <int> .D......... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15)
aptx (hd) demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
aptx (hd) demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
aqtdec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate (from 0 to INT_MAX) (default 25/1)
asf demuxer AVOptions:
-no_resync_search <boolean> .D......... Don't try to resynchronize by looking for a certain optional start code (default false)
-export_xmp <boolean> .D......... Export full XMP metadata (default false)
AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
avi AVOptions:
-use_odml <boolean> .D......... use odml index (default true)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
Binary text demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
bitpacked demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
CDXL demuxer AVOptions:
-sample_rate <int> .D......... (from 8000 to INT_MAX) (default 11025)
-frame_rate <video_rate> .D......... (default "15")
codec2 demuxer AVOptions:
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)
codec2raw demuxer AVOptions:
-mode <int> .D......... codec2 mode [mandatory] (from -1 to 8) (default -1)
3200 0 .D......... 3200
2400 1 .D......... 2400
1600 2 .D......... 1600
1400 3 .D......... 1400
1300 4 .D......... 1300
1200 5 .D......... 1200
700 6 .D......... 700
700B 7 .D......... 700B
700C 8 .D......... 700C
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)
concat demuxer AVOptions:
-safe <boolean> .D......... enable safe mode (default true)
-auto_convert <boolean> .D......... automatically convert bitstream format (default true)
-segment_time_metadata <boolean> .D......... output file segment start time and duration as packet metadata (default false)
dash AVOptions:
-allowed_extensions <string> .D......... List of file extensions that dash is allowed to access (default "aac,m4a,m4s,m4v,mov,mp4,webm,ts")
-cenc_decryption_key <string> .D......... Media decryption key (hex)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
dfpwm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
FITS demuxer AVOptions:
-framerate <video_rate> .D......... set the framerate (default "1")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
-missing_streams <int> .D.V..XR... (from 0 to 255) (default 0)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
-missing_streams <int> .D.V..XR... (from 0 to 255) (default 0)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
G.726 demuxer AVOptions:
-code_size <int> .D......... Bits per G.726 code (from 2 to 5) (default 4)
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
G.726 demuxer AVOptions:
-code_size <int> .D......... Bits per G.726 code (from 2 to 5) (default 4)
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
g729 demuxer AVOptions:
-bit_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
GIF demuxer AVOptions:
-min_delay <int> .D......... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2)
-max_gif_delay <int> .D......... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535)
-default_delay <int> .D......... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10)
-ignore_loop <boolean> .D......... ignore loop setting (netscape extension) (default true)
gsm demuxer AVOptions:
-sample_rate <int> .D......... (from 1 to 6.50753e+07) (default 8000)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
hls demuxer AVOptions:
-live_start_index <int> .D......... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3)
-allowed_extensions <string> .D......... List of file extensions that hls is allowed to access (default "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav")
-max_reload <int> .D......... Maximum number of times a insufficient list is attempted to be reloaded (from 0 to INT_MAX) (default 1000)
-m3u8_hold_counters <int> .D......... The maximum number of times to load m3u8 when it refreshes without new segments (from 0 to INT_MAX) (default 1000)
-http_persistent <boolean> .D......... Use persistent HTTP connections (default true)
-http_multiple <boolean> .D......... Use multiple HTTP connections for fetching segments (default auto)
-http_seekable <boolean> .D......... Use HTTP partial requests, 0 = disable, 1 = enable, -1 = auto (default auto)
-seg_format_options <dictionary> .D......... Set options for segment demuxer
iCE Draw File demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
image2 demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
alias_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
brender_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imf AVOptions:
-assetmaps <string> .D......... Comma-separated paths to ASSETMAP files.If not specified, the `ASSETMAP.xml` file in the same directory as the CPL is used.
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
-missing_streams <int> .D.V..XR... (from 0 to 255) (default 0)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
microdvddec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
-use_absolute_path <boolean> .D.V....... allow using absolute path when opening alias, this is a possible security issue (default false)
-seek_streams_individually <boolean> .D.V....... Seek each stream individually to the closest point (default true)
-ignore_editlist <boolean> .D.V....... Ignore the edit list atom. (default false)
-advanced_editlist <boolean> .D.V....... Modify the AVIndex according to the editlists. Use this option to decode in the order specified by the edits. (default true)
-ignore_chapters <boolean> .D.V....... (default false)
-use_mfra_for <int> .D.V....... use mfra for fragment timestamps (from -1 to 2) (default auto)
auto -1 .D.V....... auto
dts 1 .D.V....... dts
pts 2 .D.V....... pts
-use_tfdt <boolean> .D.V....... use tfdt for fragment timestamps (default true)
-export_all <boolean> .D.V....... Export unrecognized metadata entries (default false)
-export_xmp <boolean> .D.V....... Export full XMP metadata (default false)
-activation_bytes <binary> .D......... Secret bytes for Audible AAX files
-audible_key <binary> .D......... AES-128 Key for Audible AAXC files
-audible_iv <binary> .D......... AES-128 IV for Audible AAXC files
-audible_fixed_key <binary> .D......... Fixed key used for handling Audible AAX files
-decryption_key <binary> .D......... The media decryption key (hex)
-enable_drefs <boolean> .D.V....... Enable external track support. (default false)
-max_stts_delta <int> .D......... treat offsets above this value as invalid (from 0 to UINT32_MAX) (default 4294487295)
mp3 AVOptions:
-usetoc <boolean> .D......... use table of contents (default false)
mpegts demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-fix_teletext_pts <boolean> .D......... try to fix pts values of dvb teletext streams (default true)
-ts_packetsize <int> .D....XR... output option carrying the raw packet size (from 0 to 0) (default 0)
-scan_all_pmts <boolean> .D......... scan and combine all PMTs (default auto)
-skip_unknown_pmt <boolean> .D......... skip PMTs for programs not advertised in the PAT (default false)
-merge_pmt_versions <boolean> .D......... re-use streams when PMT's version/pids change (default false)
-max_packet_size <int> .D......... maximum size of emitted packet (from 1 to 1.07374e+09) (default 204800)
mpegtsraw demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-compute_pcr <boolean> .D......... compute exact PCR for each transport stream packet (default false)
-ts_packetsize <int> .D....XR... output option carrying the raw packet size (from 0 to 0) (default 0)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
MPJPEG demuxer AVOptions:
-strict_mime_boundary <boolean> .D......... require MIME boundaries match (default false)
mxf AVOptions:
-eia608_extract <boolean> .D......... extract eia 608 captions from s436m track (default false)
AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
rawvideo demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
RTP demuxer AVOptions:
-rtp_flags <flags> .D......... set RTP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
RTSP demuxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtpflags <flags> E.......... RTP muxer flags (default 0)
latm E.......... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
rfc2190 E.......... Use RFC 2190 packetization instead of RFC 4629 for H.263
skip_rtcp E.......... Don't send RTCP sender reports
h264_mode0 E.......... Use mode 0 for H.264 in RTP
send_bye E.......... Send RTCP BYE packets when finishing
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
-user_agent <string> .D......... override User-Agent header (default "Lavf59.25.100")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
sbg_demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 0)
-frame_size <int> .D......... (from 0 to INT_MAX) (default 0)
-max_file_size <int> .D......... (from 0 to INT_MAX) (default 5000000)
SDP demuxer AVOptions:
-sdp_flags <flags> .D......... SDP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
custom_io .D......... use custom I/O
rtcp_to_source .D......... send RTCP packets to the source address of received packets
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-pkt_size <int> E.......... Underlying protocol send packet size (from -1 to INT_MAX) (default 1472)
ser demuxer AVOptions:
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
sln demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
-channels <int> .D........P (from 0 to INT_MAX) (default 1)
-ch_layout <channel_layout> .D.........
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
tedcaptions_demuxer AVOptions:
-start_time <int64> .D...S..... set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default 15000)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
TTY demuxer AVOptions:
-chars_per_frame <int> .D......... (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... A string describing frame size, such as 640x480 or hd720.
-framerate <video_rate> .D......... (default "25")
v210(x) demuxer AVOptions:
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
v210(x) demuxer AVOptions:
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
vobsub AVOptions:
-sub_name <string> .D......... URI for .sub file
W64 demuxer AVOptions:
-max_size <int> .D......... max size of single packet (from 1024 to 4.1943e+06) (default 4096)
WAV demuxer AVOptions:
-ignore_length <boolean> .D......... Ignore length (default false)
-max_size <int> .D......... max size of single packet (from 1024 to 4.1943e+06) (default 4096)
WebM DASH Manifest demuxer AVOptions:
-live <boolean> .D......... flag indicating that the input is a live file that only has the headers. (default false)
-bandwidth <int> .D......... bandwidth of this stream to be specified in the DASH manifest. (from 0 to INT_MAX) (default 0)
WebVTT demuxer AVOptions:
-kind <int> .D...S..... Set kind of WebVTT track (from 0 to INT_MAX) (default subtitles)
subtitles 0 .D...S..... WebVTT subtitles kind
captions 65536 .D...S..... WebVTT captions kind
descriptions 131072 .D...S..... WebVTT descriptions kind
metadata 262144 .D...S..... WebVTT metadata kind
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
eXtended BINary text (XBIN) demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
Game Music Emu demuxer AVOptions:
-track_index <int> .D..A...... set track that should be played (from 0 to INT_MAX) (default 0)
-sample_rate <int> .D..A...... set sample rate (from 1000 to 999999) (default 44100)
-max_size <int64> .D..A...... set max file size supported (in bytes) (from 0 to 1.84467e+19) (default 52428800)
ModPlug demuxer AVOptions:
-noise_reduction <int> .D......... Enable noise reduction 0(off)-1(on) (from 0 to 1) (default 0)
-reverb_depth <int> .D......... Reverb level 0(quiet)-100(loud) (from 0 to 100) (default 0)
-reverb_delay <int> .D......... Reverb delay in ms, usually 40-200ms (from 0 to INT_MAX) (default 0)
-bass_amount <int> .D......... XBass level 0(quiet)-100(loud) (from 0 to 100) (default 0)
-bass_range <int> .D......... XBass cutoff in Hz 10-100 (from 0 to 100) (default 0)
-surround_depth <int> .D......... Surround level 0(quiet)-100(heavy) (from 0 to 100) (default 0)
-surround_delay <int> .D......... Surround delay in ms, usually 5-40ms (from 0 to INT_MAX) (default 0)
-max_size <int> .D......... Max file size supported (in bytes). Default is 5MB. Set to 0 for no limit (not recommended) (from 0 to 1.04858e+08) (default 5242880)
-video_stream_expr <string> .D......... Color formula
-video_stream <int> .D......... Make demuxer output a video stream (from 0 to 1) (default 0)
-video_stream_w <int> .D......... Video stream width in char (one char = 8x8px) (from 20 to 512) (default 30)
-video_stream_h <int> .D......... Video stream height in char (one char = 8x8px) (from 20 to 512) (default 30)
-video_stream_ptxt <int> .D......... Print speed, tempo, order, ... in video stream (from 0 to 1) (default 1)
libopenmpt AVOptions:
-sample_rate <int> .D..A...... set sample rate (from 1000 to INT_MAX) (default 48000)
-layout <channel_layout> .D..A...... set channel layout (default "stereo")
-subsong <int> .D..A...... set subsong (from -2 to INT_MAX) (default auto)
all -1 .D..A...... all
auto -2 .D..A...... auto
dshow indev AVOptions:
-video_size <image_size> .D......... set video size given a string such as 640x480 or hd720.
-pixel_format <pix_fmt> .D......... set video pixel format (default none)
-framerate <string> .D......... set video frame rate
-sample_rate <int> .D......... set audio sample rate (from 0 to INT_MAX) (default 0)
-sample_size <int> .D......... set audio sample size (from 0 to 16) (default 0)
-channels <int> .D......... set number of audio channels, such as 1 or 2 (from 0 to INT_MAX) (default 0)
-audio_buffer_size <int> .D......... set audio device buffer latency size in milliseconds (default is the device's default) (from 0 to INT_MAX) (default 0)
-list_devices <boolean> .D......... list available devices (default false)
-list_options <boolean> .D......... list available options for specified device (default false)
-video_device_number <int> .D......... set video device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0)
-audio_device_number <int> .D......... set audio device number for devices with same name (starts at 0) (from 0 to INT_MAX) (default 0)
-video_pin_name <string> E.......... select video capture pin by name
-audio_pin_name <string> E.......... select audio capture pin by name
-crossbar_video_input_pin_number <int> .D......... set video input pin number for crossbar device (from -1 to INT_MAX) (default -1)
-crossbar_audio_input_pin_number <int> .D......... set audio input pin number for crossbar device (from -1 to INT_MAX) (default -1)
-show_video_device_dialog <boolean> .D......... display property dialog for video capture device (default false)
-show_audio_device_dialog <boolean> .D......... display property dialog for audio capture device (default false)
-show_video_crossbar_connection_dialog <boolean> .D......... display property dialog for crossbar connecting pins filter on video device (default false)
-show_audio_crossbar_connection_dialog <boolean> .D......... display property dialog for crossbar connecting pins filter on audio device (default false)
-show_analog_tv_tuner_dialog <boolean> .D......... display property dialog for analog tuner filter (default false)
-show_analog_tv_tuner_audio_dialog <boolean> .D......... display property dialog for analog tuner audio filter (default false)
-audio_device_load <string> .D......... load audio capture filter device (and properties) from file
-audio_device_save <string> .D......... save audio capture filter device (and properties) to file
-video_device_load <string> .D......... load video capture filter device (and properties) from file
-video_device_save <string> .D......... save video capture filter device (and properties) to file
-use_video_device_timestamps <boolean> .D......... use device instead of wallclock timestamps for video frames (default true)
GDIgrab indev AVOptions:
-draw_mouse <int> .D......... draw the mouse pointer (from 0 to 1) (default 1)
-show_region <int> .D......... draw border around capture area (from 0 to 1) (default 0)
-framerate <video_rate> .D......... set video frame rate (default "ntsc")
-video_size <image_size> .D......... set video frame size
-offset_x <int> .D......... capture area x offset (from INT_MIN to INT_MAX) (default 0)
-offset_y <int> .D......... capture area y offset (from INT_MIN to INT_MAX) (default 0)
lavfi indev AVOptions:
-graph <string> .D......... set libavfilter graph
-graph_file <string> .D......... set libavfilter graph filename
-dumpgraph <string> .D......... dump graph to stderr
openal indev AVOptions:
-channels <int> .D......... set number of channels (from 1 to 2) (default 2)
-sample_rate <int> .D......... set sample rate (from 1 to 192000) (default 44100)
-sample_size <int> .D......... set sample size (from 8 to 16) (default 16)
-list_devices <int> .D......... list available devices (from 0 to 1) (default false)
true 1 .D.........
false 0 .D.........
VFW indev AVOptions:
-video_size <string> .D......... A string describing frame size, such as 640x480 or hd720.
-framerate <string> .D......... (default "ntsc")
libcdio indev AVOptions:
-speed <int> .D......... set drive reading speed (from 0 to INT_MAX) (default 0)
-paranoia_mode <flags> .D......... set error recovery mode (default 0)
disable .D......... apply no fixups
verify .D......... verify data integrity in overlap area
overlap .D......... perform overlapped reads
neverskip .D......... do not skip failed reads
full .D......... apply all recovery modes
SWScaler AVOptions:
-sws_flags <flags> E..V....... scaler flags (default bicubic)
fast_bilinear E..V....... fast bilinear
bilinear E..V....... bilinear
bicubic E..V....... bicubic
experimental E..V....... experimental
neighbor E..V....... nearest neighbor
area E..V....... averaging area
bicublin E..V....... luma bicubic, chroma bilinear
gauss E..V....... Gaussian
sinc E..V....... sinc
lanczos E..V....... Lanczos
spline E..V....... natural bicubic spline
print_info E..V....... print info
accurate_rnd E..V....... accurate rounding
full_chroma_int E..V....... full chroma interpolation
full_chroma_inp E..V....... full chroma input
bitexact E..V.......
error_diffusion E..V....... error diffusion dither
-srcw <int> E..V....... source width (from 1 to INT_MAX) (default 16)
-srch <int> E..V....... source height (from 1 to INT_MAX) (default 16)
-dstw <int> E..V....... destination width (from 1 to INT_MAX) (default 16)
-dsth <int> E..V....... destination height (from 1 to INT_MAX) (default 16)
-src_format <pix_fmt> E..V....... source format (default yuv420p)
-dst_format <pix_fmt> E..V....... destination format (default yuv420p)
-src_range <boolean> E..V....... source is full range (default false)
-dst_range <boolean> E..V....... destination is full range (default false)
-param0 <double> E..V....... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
-param1 <double> E..V....... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
-src_v_chr_pos <int> E..V....... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-src_h_chr_pos <int> E..V....... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_v_chr_pos <int> E..V....... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
-dst_h_chr_pos <int> E..V....... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
-sws_dither <int> E..V....... set dithering algorithm (from 0 to 6) (default auto)
auto 1 E..V....... leave choice to sws
bayer 2 E..V....... bayer dither
ed 3 E..V....... error diffusion
a_dither 4 E..V....... arithmetic addition dither
x_dither 5 E..V....... arithmetic xor dither
-gamma <boolean> E..V....... gamma correct scaling (default false)
-alphablend <int> E..V....... mode for alpha -> non alpha (from 0 to 2) (default none)
none 0 E..V....... ignore alpha
uniform_color 1 E..V....... blend onto a uniform color
checkerboard 2 E..V....... blend onto a checkerboard
-threads <int> E..V....... number of threads (from 0 to INT_MAX) (default 1)
auto 0 E..V.......
SWResampler AVOptions:
-ich <int> ....A.....P set input channel count (Deprecated, use ichl) (from 0 to 64) (default 0)
-in_channel_count <int> ....A.....P set input channel count (Deprecated, use in_chlayout) (from 0 to 64) (default 0)
-och <int> ....A.....P set output channel count (Deprecated, use ochl) (from 0 to 64) (default 0)
-out_channel_count <int> ....A.....P set output channel count (Deprecated, use out_chlayout) (from 0 to 64) (default 0)
-uch <int> ....A...... set used channel count (from 0 to 64) (default 0)
-used_channel_count <int> ....A...... set used channel count (from 0 to 64) (default 0)
-isr <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-in_sample_rate <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-osr <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-out_sample_rate <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-isf <sample_fmt> ....A...... set input sample format (default none)
-in_sample_fmt <sample_fmt> ....A...... set input sample format (default none)
-osf <sample_fmt> ....A...... set output sample format (default none)
-out_sample_fmt <sample_fmt> ....A...... set output sample format (default none)
-tsf <sample_fmt> ....A...... set internal sample format (default none)
-internal_sample_fmt <sample_fmt> ....A...... set internal sample format (default none)
-icl <channel_layout> ....A.....P set input channel layout (Deprecated, use ichl) (default 0x0)
-in_channel_layout <channel_layout> ....A.....P set input channel layout (Deprecated, use in_chlayout) (default 0x0)
-ocl <channel_layout> ....A.....P set output channel layout (Deprecated, use ochl) (default 0x0)
-out_channel_layout <channel_layout> ....A.....P set output channel layout (Deprecated, use out_chlayout) (default 0x0)
-ichl <channel_layout> ....A...... set input channel layout
-in_chlayout <channel_layout> ....A...... set input channel layout
-ochl <channel_layout> ....A...... set output channel layout
-out_chlayout <channel_layout> ....A...... set output channel layout
-clev <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-center_mix_level <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-slev <float> ....A...... set surround mix level (from -32 to 32) (default 0.707107)
-surround_mix_level <float> ....A...... set surround mix Level (from -32 to 32) (default 0.707107)
-lfe_mix_level <float> ....A...... set LFE mix level (from -32 to 32) (default 0)
-rmvol <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_volume <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_maxval <float> ....A...... set rematrix maxval (from 0 to 1000) (default 0)
-flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-swr_flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-dither_scale <float> ....A...... set dither scale (from 0 to INT_MAX) (default 1)
-dither_method <int> ....A...... set dither method (from 0 to 71) (default 0)
rectangular 1 ....A...... select rectangular dither
triangular 2 ....A...... select triangular dither
triangular_hp 3 ....A...... select triangular dither with high pass
lipshitz 65 ....A...... select Lipshitz noise shaping dither
shibata 69 ....A...... select Shibata noise shaping dither
low_shibata 70 ....A...... select low Shibata noise shaping dither
high_shibata 71 ....A...... select high Shibata noise shaping dither
f_weighted 66 ....A...... select f-weighted noise shaping dither
modified_e_weighted 67 ....A...... select modified-e-weighted noise shaping dither
improved_e_weighted 68 ....A...... select improved-e-weighted noise shaping dither
-filter_size <int> ....A...... set swr resampling filter size (from 0 to INT_MAX) (default 32)
-phase_shift <int> ....A...... set swr resampling phase shift (from 0 to 24) (default 10)
-linear_interp <boolean> ....A...... enable linear interpolation (default true)
-exact_rational <boolean> ....A...... enable exact rational (default true)
-cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resample_cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resampler <int> ....A...... set resampling Engine (from 0 to 1) (default swr)
swr 0 ....A...... select SW Resampler
soxr 1 ....A...... select SoX Resampler
-precision <double> ....A...... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
-cheby <boolean> ....A...... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (default false)
-min_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX)
-min_hard_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1)
-comp_duration <float> ....A...... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1)
-max_soft_comp <float> ....A...... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0)
-async <float> ....A...... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
-first_pts <int64> ....A...... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
-matrix_encoding <int> ....A...... set matrixed stereo encoding (from 0 to 6) (default none)
none 0 ....A...... select none
dolby 1 ....A...... select Dolby
dplii 2 ....A...... select Dolby Pro Logic II
-filter_type <int> ....A...... select swr filter type (from 0 to 2) (default kaiser)
cubic 0 ....A...... select cubic
blackman_nuttall 1 ....A...... select Blackman Nuttall windowed sinc
kaiser 2 ....A...... select Kaiser windowed sinc
-kaiser_beta <double> ....A...... set swr Kaiser window beta (from 2 to 16) (default 9)
-output_sample_bits <int> ....A...... set swr number of output sample bits (from 0 to 64) (default 0)
AVFilter AVOptions:
thread_type <flags> ..F........ Allowed thread types (default slice)
slice ..F........
enable <string> ..F......T. set enable expression
threads <int> ..F........ Allowed number of threads (from 0 to INT_MAX) (default 0)
extra_hw_frames <int> ..F........ Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1)
abench AVOptions:
action <int> ..F.A...... set action (from 0 to 1) (default start)
start 0 ..F.A...... start timer
stop 1 ..F.A...... stop timer
acompressor/sidechaincompress AVOptions:
level_in <double> ..F.A....T. set input gain (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
threshold <double> ..F.A....T. set threshold (from 0.000976563 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 20) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 2000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set make up gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
link <int> ..F.A....T. set link type (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
acontrast AVOptions:
contrast <float> ..F.A...... set contrast (from 0 to 100) (default 33)
(a)cue AVOptions:
cue <int64> ..FVA...... cue unix timestamp in microseconds (from 0 to I64_MAX) (default 0)
preroll <duration> ..FVA...... preroll duration in seconds (default 0)
buffer <duration> ..FVA...... buffer duration in seconds (default 0)
acrossfade AVOptions:
nb_samples <int> ..F.A...... set number of samples for cross fade duration (from 1 to 2.14748e+08) (default 44100)
ns <int> ..F.A...... set number of samples for cross fade duration (from 1 to 2.14748e+08) (default 44100)
duration <duration> ..F.A...... set cross fade duration (default 0)
d <duration> ..F.A...... set cross fade duration (default 0)
overlap <boolean> ..F.A...... overlap 1st stream end with 2nd stream start (default true)
o <boolean> ..F.A...... overlap 1st stream end with 2nd stream start (default true)
curve1 <int> ..F.A...... set fade curve type for 1st stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
c1 <int> ..F.A...... set fade curve type for 1st stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
curve2 <int> ..F.A...... set fade curve type for 2nd stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
c2 <int> ..F.A...... set fade curve type for 2nd stream (from -1 to 18) (default tri)
nofade -1 ..F.A...... no fade; keep audio as-is
tri 0 ..F.A...... linear slope
qsin 1 ..F.A...... quarter of sine wave
esin 2 ..F.A...... exponential sine wave
hsin 3 ..F.A...... half of sine wave
log 4 ..F.A...... logarithmic
ipar 5 ..F.A...... inverted parabola
qua 6 ..F.A...... quadratic
cub 7 ..F.A...... cubic
squ 8 ..F.A...... square root
cbr 9 ..F.A...... cubic root
par 10 ..F.A...... parabola
exp 11 ..F.A...... exponential
iqsin 12 ..F.A...... inverted quarter of sine wave
ihsin 13 ..F.A...... inverted half of sine wave
dese 14 ..F.A...... double-exponential seat
desi 15 ..F.A...... double-exponential sigmoid
losi 16 ..F.A...... logistic sigmoid
sinc 17 ..F.A...... sine cardinal function
isinc 18 ..F.A...... inverted sine cardinal function
acrossover AVOptions:
split <string> ..F.A...... set split frequencies (default "500")
order <int> ..F.A...... set filter order (from 0 to 9) (default 4th)
2nd 0 ..F.A...... 2nd order (12 dB/8ve)
4th 1 ..F.A...... 4th order (24 dB/8ve)
6th 2 ..F.A...... 6th order (36 dB/8ve)
8th 3 ..F.A...... 8th order (48 dB/8ve)
10th 4 ..F.A...... 10th order (60 dB/8ve)
12th 5 ..F.A...... 12th order (72 dB/8ve)
14th 6 ..F.A...... 14th order (84 dB/8ve)
16th 7 ..F.A...... 16th order (96 dB/8ve)
18th 8 ..F.A...... 18th order (108 dB/8ve)
20th 9 ..F.A...... 20th order (120 dB/8ve)
level <float> ..F.A...... set input gain (from 0 to 1) (default 1)
gain <string> ..F.A...... set output bands gain (default "1.f")
precision <int> ..F.A...... set processing precision (from 0 to 2) (default auto)
auto 0 ..F.A...... set auto processing precision
float 1 ..F.A...... set single-floating point processing precision
double 2 ..F.A...... set double-floating point processing precision
acrusher AVOptions:
level_in <double> ..F.A....T. set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0.015625 to 64) (default 1)
bits <double> ..F.A....T. set bit reduction (from 1 to 64) (default 8)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 0.5)
mode <int> ..F.A....T. set mode (from 0 to 1) (default lin)
lin 0 ..F.A....T. linear
log 1 ..F.A....T. logarithmic
dc <double> ..F.A....T. set DC (from 0.25 to 4) (default 1)
aa <double> ..F.A....T. set anti-aliasing (from 0 to 1) (default 0.5)
samples <double> ..F.A....T. set sample reduction (from 1 to 250) (default 1)
lfo <boolean> ..F.A....T. enable LFO (default false)
lforange <double> ..F.A....T. set LFO depth (from 1 to 250) (default 20)
lforate <double> ..F.A....T. set LFO rate (from 0.01 to 200) (default 0.3)
adeclick AVOptions:
window <double> ..F.A...... set window size (from 10 to 100) (default 55)
w <double> ..F.A...... set window size (from 10 to 100) (default 55)
overlap <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
o <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
arorder <double> ..F.A...... set autoregression order (from 0 to 25) (default 2)
a <double> ..F.A...... set autoregression order (from 0 to 25) (default 2)
threshold <double> ..F.A...... set threshold (from 1 to 100) (default 2)
t <double> ..F.A...... set threshold (from 1 to 100) (default 2)
burst <double> ..F.A...... set burst fusion (from 0 to 10) (default 2)
b <double> ..F.A...... set burst fusion (from 0 to 10) (default 2)
method <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
m <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
adeclip AVOptions:
window <double> ..F.A...... set window size (from 10 to 100) (default 55)
w <double> ..F.A...... set window size (from 10 to 100) (default 55)
overlap <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
o <double> ..F.A...... set window overlap (from 50 to 95) (default 75)
arorder <double> ..F.A...... set autoregression order (from 0 to 25) (default 8)
a <double> ..F.A...... set autoregression order (from 0 to 25) (default 8)
threshold <double> ..F.A...... set threshold (from 1 to 100) (default 10)
t <double> ..F.A...... set threshold (from 1 to 100) (default 10)
hsize <int> ..F.A...... set histogram size (from 100 to 9999) (default 1000)
n <int> ..F.A...... set histogram size (from 100 to 9999) (default 1000)
method <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
m <int> ..F.A...... set overlap method (from 0 to 1) (default add)
add 0 ..F.A...... overlap-add
a 0 ..F.A...... overlap-add
save 1 ..F.A...... overlap-save
s 1 ..F.A...... overlap-save
adecorrelate AVOptions:
stages <int> ..F.A...... set filtering stages (from 1 to 16) (default 6)
seed <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)
adelay AVOptions:
delays <string> ..F.A....T. set list of delays for each channel
all <boolean> ..F.A...... use last available delay for remained channels (default false)
adenorm AVOptions:
level <double> ..F.A....T. set level (from -451 to -90) (default -351)
type <int> ..F.A....T. set type (from 0 to 3) (default dc)
dc 0 ..F.A....T.
ac 1 ..F.A....T.
square 2 ..F.A....T.
pulse 3 ..F.A....T.
aderivative/aintegral AVOptions:
adynamicequalizer AVOptions:
threshold <double> ..F.A....T. set detection threshold (from 0 to 100) (default 0)
dfrequency <double> ..F.A....T. set detection frequency (from 2 to 1e+06) (default 1000)
dqfactor <double> ..F.A....T. set detection Q factor (from 0.001 to 1000) (default 1)
tfrequency <double> ..F.A....T. set target frequency (from 2 to 1e+06) (default 1000)
tqfactor <double> ..F.A....T. set target Q factor (from 0.001 to 1000) (default 1)
attack <double> ..F.A....T. set attack duration (from 1 to 2000) (default 20)
release <double> ..F.A....T. set release duration (from 1 to 2000) (default 200)
knee <double> ..F.A....T. set knee factor (from 0 to 8) (default 1)
ratio <double> ..F.A....T. set ratio factor (from 1 to 20) (default 1)
makeup <double> ..F.A....T. set makeup gain (from 0 to 30) (default 0)
range <double> ..F.A....T. set max gain (from 0 to 200) (default 0)
slew <double> ..F.A....T. set slew factor (from 1 to 200) (default 1)
mode <int> ..F.A....T. set mode (from -1 to 1) (default cut)
listen -1 ..F.A....T.
cut 0 ..F.A....T.
boost 1 ..F.A....T.
tftype <int> ..F.A....T. set target filter type (from 0 to 2) (default bell)
bell 0 ..F.A....T.
lowshelf 1 ..F.A....T.
highshelf 2 ..F.A....T.
adynamicsmooth AVOptions:
sensitivity <double> ..F.A....T. set smooth sensitivity (from 0 to 1e+06) (default 2)
basefreq <double> ..F.A....T. set base frequency (from 2 to 1e+06) (default 22050)
aecho AVOptions:
in_gain <float> ..F.A...... set signal input gain (from 0 to 1) (default 0.6)
out_gain <float> ..F.A...... set signal output gain (from 0 to 1) (default 0.3)
delays <string> ..F.A...... set list of signal delays (default "1000")
decays <string> ..F.A...... set list of signal decays (default "0.5")
aemphasis AVOptions:
level_in <double> ..F.A....T. set input gain (from 0 to 64) (default 1)
level_out <double> ..F.A....T. set output gain (from 0 to 64) (default 1)
mode <int> ..F.A....T. set filter mode (from 0 to 1) (default reproduction)
reproduction 0 ..F.A....T.
production 1 ..F.A....T.
type <int> ..F.A....T. set filter type (from 0 to 8) (default cd)
col 0 ..F.A....T. Columbia
emi 1 ..F.A....T. EMI
bsi 2 ..F.A....T. BSI (78RPM)
riaa 3 ..F.A....T. RIAA
cd 4 ..F.A....T. Compact Disc (CD)
50fm 5 ..F.A....T. 50µs (FM)
75fm 6 ..F.A....T. 75µs (FM)
50kf 7 ..F.A....T. 50µs (FM-KF)
75kf 8 ..F.A....T. 75µs (FM-KF)
aeval AVOptions:
exprs <string> ..F.A...... set the '|'-separated list of channels expressions
channel_layout <string> ..F.A...... set channel layout
c <string> ..F.A...... set channel layout
aexciter AVOptions:
level_in <double> ..F.A....T. set level in (from 0 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0 to 64) (default 1)
amount <double> ..F.A....T. set amount (from 0 to 64) (default 1)
drive <double> ..F.A....T. set harmonics (from 0.1 to 10) (default 8.5)
blend <double> ..F.A....T. set blend harmonics (from -10 to 10) (default 0)
freq <double> ..F.A....T. set scope (from 2000 to 12000) (default 7500)
ceil <double> ..F.A....T. set ceiling (from 9999 to 20000) (default 9999)
listen <boolean> ..F.A....T. enable listen mode (default false)
afade AVOptions:
type <int> ..F.A....T. set the fade direction (from 0 to 1) (default in)
in 0 ..F.A....T. fade-in
out 1 ..F.A....T. fade-out
t <int> ..F.A....T. set the fade direction (from 0 to 1) (default in)
in 0 ..F.A....T. fade-in
out 1 ..F.A....T. fade-out
start_sample <int64> ..F.A....T. set number of first sample to start fading (from 0 to I64_MAX) (default 0)
ss <int64> ..F.A....T. set number of first sample to start fading (from 0 to I64_MAX) (default 0)
nb_samples <int64> ..F.A....T. set number of samples for fade duration (from 1 to I64_MAX) (default 44100)
ns <int64> ..F.A....T. set number of samples for fade duration (from 1 to I64_MAX) (default 44100)
start_time <duration> ..F.A....T. set time to start fading (default 0)
st <duration> ..F.A....T. set time to start fading (default 0)
duration <duration> ..F.A....T. set fade duration (default 0)
d <duration> ..F.A....T. set fade duration (default 0)
curve <int> ..F.A....T. set fade curve type (from -1 to 18) (default tri)
nofade -1 ..F.A....T. no fade; keep audio as-is
tri 0 ..F.A....T. linear slope
qsin 1 ..F.A....T. quarter of sine wave
esin 2 ..F.A....T. exponential sine wave
hsin 3 ..F.A....T. half of sine wave
log 4 ..F.A....T. logarithmic
ipar 5 ..F.A....T. inverted parabola
qua 6 ..F.A....T. quadratic
cub 7 ..F.A....T. cubic
squ 8 ..F.A....T. square root
cbr 9 ..F.A....T. cubic root
par 10 ..F.A....T. parabola
exp 11 ..F.A....T. exponential
iqsin 12 ..F.A....T. inverted quarter of sine wave
ihsin 13 ..F.A....T. inverted half of sine wave
dese 14 ..F.A....T. double-exponential seat
desi 15 ..F.A....T. double-exponential sigmoid
losi 16 ..F.A....T. logistic sigmoid
sinc 17 ..F.A....T. sine cardinal function
isinc 18 ..F.A....T. inverted sine cardinal function
c <int> ..F.A....T. set fade curve type (from -1 to 18) (default tri)
nofade -1 ..F.A....T. no fade; keep audio as-is
tri 0 ..F.A....T. linear slope
qsin 1 ..F.A....T. quarter of sine wave
esin 2 ..F.A....T. exponential sine wave
hsin 3 ..F.A....T. half of sine wave
log 4 ..F.A....T. logarithmic
ipar 5 ..F.A....T. inverted parabola
qua 6 ..F.A....T. quadratic
cub 7 ..F.A....T. cubic
squ 8 ..F.A....T. square root
cbr 9 ..F.A....T. cubic root
par 10 ..F.A....T. parabola
exp 11 ..F.A....T. exponential
iqsin 12 ..F.A....T. inverted quarter of sine wave
ihsin 13 ..F.A....T. inverted half of sine wave
dese 14 ..F.A....T. double-exponential seat
desi 15 ..F.A....T. double-exponential sigmoid
losi 16 ..F.A....T. logistic sigmoid
sinc 17 ..F.A....T. sine cardinal function
isinc 18 ..F.A....T. inverted sine cardinal function
afftdn AVOptions:
noise_reduction <float> ..F.A....T. set the noise reduction (from 0.01 to 97) (default 12)
nr <float> ..F.A....T. set the noise reduction (from 0.01 to 97) (default 12)
noise_floor <float> ..F.A....T. set the noise floor (from -80 to -20) (default -50)
nf <float> ..F.A....T. set the noise floor (from -80 to -20) (default -50)
noise_type <int> ..F.A...... set the noise type (from 0 to 3) (default white)
white 0 ..F.A...... white noise
w 0 ..F.A...... white noise
vinyl 1 ..F.A...... vinyl noise
v 1 ..F.A...... vinyl noise
shellac 2 ..F.A...... shellac noise
s 2 ..F.A...... shellac noise
custom 3 ..F.A...... custom noise
c 3 ..F.A...... custom noise
nt <int> ..F.A...... set the noise type (from 0 to 3) (default white)
white 0 ..F.A...... white noise
w 0 ..F.A...... white noise
vinyl 1 ..F.A...... vinyl noise
v 1 ..F.A...... vinyl noise
shellac 2 ..F.A...... shellac noise
s 2 ..F.A...... shellac noise
custom 3 ..F.A...... custom noise
c 3 ..F.A...... custom noise
band_noise <string> ..F.A...... set the custom bands noise
bn <string> ..F.A...... set the custom bands noise
residual_floor <float> ..F.A....T. set the residual floor (from -80 to -20) (default -38)
rf <float> ..F.A....T. set the residual floor (from -80 to -20) (default -38)
track_noise <boolean> ..F.A....T. track noise (default false)
tn <boolean> ..F.A....T. track noise (default false)
track_residual <boolean> ..F.A....T. track residual (default false)
tr <boolean> ..F.A....T. track residual (default false)
output_mode <int> ..F.A....T. set output mode (from 0 to 2) (default output)
input 0 ..F.A....T. input
i 0 ..F.A....T. input
output 1 ..F.A....T. output
o 1 ..F.A....T. output
noise 2 ..F.A....T. noise
n 2 ..F.A....T. noise
om <int> ..F.A....T. set output mode (from 0 to 2) (default output)
input 0 ..F.A....T. input
i 0 ..F.A....T. input
output 1 ..F.A....T. output
o 1 ..F.A....T. output
noise 2 ..F.A....T. noise
n 2 ..F.A....T. noise
adaptivity <float> ..F.A....T. set adaptivity factor (from 0 to 1) (default 0.5)
ad <float> ..F.A....T. set adaptivity factor (from 0 to 1) (default 0.5)
floor_offset <float> ..F.A....T. set noise floor offset factor (from -2 to 2) (default 1)
fo <float> ..F.A....T. set noise floor offset factor (from -2 to 2) (default 1)
noise_link <int> ..F.A....T. set the noise floor link (from 0 to 3) (default min)
none 0 ..F.A....T. none
min 1 ..F.A....T. min
max 2 ..F.A....T. max
average 3 ..F.A....T. average
nl <int> ..F.A....T. set the noise floor link (from 0 to 3) (default min)
none 0 ..F.A....T. none
min 1 ..F.A....T. min
max 2 ..F.A....T. max
average 3 ..F.A....T. average
band_multiplier <float> ..F.A...... set band multiplier (from 0.2 to 5) (default 1.25)
bm <float> ..F.A...... set band multiplier (from 0.2 to 5) (default 1.25)
sample_noise <int> ..F.A....T. set sample noise mode (from 0 to 2) (default none)
none 0 ..F.A....T. none
start 1 ..F.A....T. start
begin 1 ..F.A....T. start
stop 2 ..F.A....T. stop
end 2 ..F.A....T. stop
sn <int> ..F.A....T. set sample noise mode (from 0 to 2) (default none)
none 0 ..F.A....T. none
start 1 ..F.A....T. start
begin 1 ..F.A....T. start
stop 2 ..F.A....T. stop
end 2 ..F.A....T. stop
gain_smooth <int> ..F.A....T. set gain smooth radius (from 0 to 50) (default 0)
gs <int> ..F.A....T. set gain smooth radius (from 0 to 50) (default 0)
afftfilt AVOptions:
real <string> ..F.A...... set channels real expressions (default "re")
imag <string> ..F.A...... set channels imaginary expressions (default "im")
win_size <int> ..F.A...... set window size (from 16 to 131072) (default 4096)
win_func <int> ..F.A...... set window function (from 0 to 19) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 0.75)
afir AVOptions:
dry <float> ..F.A...... set dry gain (from 0 to 10) (default 1)
wet <float> ..F.A...... set wet gain (from 0 to 10) (default 1)
length <float> ..F.A...... set IR length (from 0 to 1) (default 1)
gtype <int> ..F.A...... set IR auto gain type (from -1 to 2) (default peak)
none -1 ..F.A...... without auto gain
peak 0 ..F.A...... peak gain
dc 1 ..F.A...... DC gain
gn 2 ..F.A...... gain to noise
irgain <float> ..F.A...... set IR gain (from 0 to 1) (default 1)
irfmt <int> ..F.A...... set IR format (from 0 to 1) (default input)
mono 0 ..F.A...... single channel
input 1 ..F.A...... same as input
maxir <float> ..F.A...... set max IR length (from 0.1 to 60) (default 30)
response <boolean> ..FV....... show IR frequency response (default false)
channel <int> ..FV....... set IR channel to display frequency response (from 0 to 1024) (default 0)
size <image_size> ..FV....... set video size (default "hd720")
rate <video_rate> ..FV....... set video rate (default "25")
minp <int> ..F.A...... set min partition size (from 1 to 32768) (default 8192)
maxp <int> ..F.A...... set max partition size (from 8 to 32768) (default 8192)
nbirs <int> ..F.A...... set number of input IRs (from 1 to 32) (default 1)
ir <int> ..F.A....T. select IR (from 0 to 31) (default 0)
precision <int> ..F.A...... set processing precision (from 0 to 2) (default auto)
auto 0 ..F.A...... set auto processing precision
float 1 ..F.A...... set single-floating point processing precision
double 2 ..F.A...... set double-floating point processing precision
aformat AVOptions:
sample_fmts <string> ..F.A...... A '|'-separated list of sample formats.
f <string> ..F.A...... A '|'-separated list of sample formats.
sample_rates <string> ..F.A...... A '|'-separated list of sample rates.
r <string> ..F.A...... A '|'-separated list of sample rates.
channel_layouts <string> ..F.A...... A '|'-separated list of channel layouts.
cl <string> ..F.A...... A '|'-separated list of channel layouts.
afreqshift AVOptions:
shift <double> ..F.A....T. set frequency shift (from -2.14748e+09 to INT_MAX) (default 0)
level <double> ..F.A....T. set output level (from 0 to 1) (default 1)
order <int> ..F.A....T. set filter order (from 1 to 16) (default 8)
afwtdn AVOptions:
sigma <double> ..F.A....T. set noise sigma (from 0 to 1) (default 0)
levels <int> ..F.A...... set number of wavelet levels (from 1 to 12) (default 10)
wavet <int> ..F.A...... set wavelet type (from 0 to 6) (default sym10)
sym2 0 ..F.A...... sym2
sym4 1 ..F.A...... sym4
rbior68 2 ..F.A...... rbior68
deb10 3 ..F.A...... deb10
sym10 4 ..F.A...... sym10
coif5 5 ..F.A...... coif5
bl3 6 ..F.A...... bl3
percent <double> ..F.A....T. set percent of full denoising (from 0 to 100) (default 85)
profile <boolean> ..F.A....T. profile noise (default false)
adaptive <boolean> ..F.A....T. adaptive profiling of noise (default false)
samples <int> ..F.A...... set frame size in number of samples (from 512 to 65536) (default 8192)
softness <double> ..F.A....T. set thresholding softness (from 0 to 10) (default 1)
agate/sidechaingate AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
range <double> ..F.A....T. set max gain reduction (from 0 to 1) (default 0.06125)
threshold <double> ..F.A....T. set threshold (from 0 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 9000) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 9000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set makeup gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
link <int> ..F.A....T. set link (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)
aiir AVOptions:
zeros <string> ..F.A...... set B/numerator/zeros/reflection coefficients (default "1+0i 1-0i")
z <string> ..F.A...... set B/numerator/zeros/reflection coefficients (default "1+0i 1-0i")
poles <string> ..F.A...... set A/denominator/poles/ladder coefficients (default "1+0i 1-0i")
p <string> ..F.A...... set A/denominator/poles/ladder coefficients (default "1+0i 1-0i")
gains <string> ..F.A...... set channels gains (default "1|1")
k <string> ..F.A...... set channels gains (default "1|1")
dry <double> ..F.A...... set dry gain (from 0 to 1) (default 1)
wet <double> ..F.A...... set wet gain (from 0 to 1) (default 1)
format <int> ..F.A...... set coefficients format (from -2 to 4) (default zp)
ll -2 ..F.A...... lattice-ladder function
sf -1 ..F.A...... analog transfer function
tf 0 ..F.A...... digital transfer function
zp 1 ..F.A...... Z-plane zeros/poles
pr 2 ..F.A...... Z-plane zeros/poles (polar radians)
pd 3 ..F.A...... Z-plane zeros/poles (polar degrees)
sp 4 ..F.A...... S-plane zeros/poles
f <int> ..F.A...... set coefficients format (from -2 to 4) (default zp)
ll -2 ..F.A...... lattice-ladder function
sf -1 ..F.A...... analog transfer function
tf 0 ..F.A...... digital transfer function
zp 1 ..F.A...... Z-plane zeros/poles
pr 2 ..F.A...... Z-plane zeros/poles (polar radians)
pd 3 ..F.A...... Z-plane zeros/poles (polar degrees)
sp 4 ..F.A...... S-plane zeros/poles
process <int> ..F.A...... set kind of processing (from 0 to 2) (default s)
d 0 ..F.A...... direct
s 1 ..F.A...... serial
p 2 ..F.A...... parallel
r <int> ..F.A...... set kind of processing (from 0 to 2) (default s)
d 0 ..F.A...... direct
s 1 ..F.A...... serial
p 2 ..F.A...... parallel
precision <int> ..F.A...... set filtering precision (from 0 to 3) (default dbl)
dbl 0 ..F.A...... double-precision floating-point
flt 1 ..F.A...... single-precision floating-point
i32 2 ..F.A...... 32-bit integers
i16 3 ..F.A...... 16-bit integers
e <int> ..F.A...... set precision (from 0 to 3) (default dbl)
dbl 0 ..F.A...... double-precision floating-point
flt 1 ..F.A...... single-precision floating-point
i32 2 ..F.A...... 32-bit integers
i16 3 ..F.A...... 16-bit integers
normalize <boolean> ..F.A...... normalize coefficients (default true)
n <boolean> ..F.A...... normalize coefficients (default true)
mix <double> ..F.A...... set mix (from 0 to 1) (default 1)
response <boolean> ..FV....... show IR frequency response (default false)
channel <int> ..FV....... set IR channel to display frequency response (from 0 to 1024) (default 0)
size <image_size> ..FV....... set video size (default "hd720")
rate <video_rate> ..FV....... set video rate (default "25")
aderivative/aintegral AVOptions:
ainterleave AVOptions:
nb_inputs <int> ..F.A...... set number of inputs (from 1 to INT_MAX) (default 2)
n <int> ..F.A...... set number of inputs (from 1 to INT_MAX) (default 2)
duration <int> ..F.A...... how to determine the end-of-stream (from 0 to 2) (default longest)
longest 0 ..F.A...... Duration of longest input
shortest 1 ..F.A...... Duration of shortest input
first 2 ..F.A...... Duration of first input
alimiter AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set output level (from 0.015625 to 64) (default 1)
limit <double> ..F.A....T. set limit (from 0.0625 to 1) (default 1)
attack <double> ..F.A....T. set attack (from 0.1 to 80) (default 5)
release <double> ..F.A....T. set release (from 1 to 8000) (default 50)
asc <boolean> ..F.A....T. enable asc (default false)
asc_level <double> ..F.A....T. set asc level (from 0 to 1) (default 0.5)
level <boolean> ..F.A....T. auto level (default true)
latency <boolean> ..F.A....T. compensate delay (default false)
allpass AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
order <int> ..F.A....T. set filter order (from 1 to 2) (default 2)
o <int> ..F.A....T. set filter order (from 1 to 2) (default 2)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
aloop AVOptions:
loop <int> ..F.A...... number of loops (from -1 to INT_MAX) (default 0)
size <int64> ..F.A...... max number of samples to loop (from 0 to INT_MAX) (default 0)
start <int64> ..F.A...... set the loop start sample (from 0 to I64_MAX) (default 0)
amerge AVOptions:
inputs <int> ..F.A...... specify the number of inputs (from 1 to 64) (default 2)
ametadata AVOptions:
mode <int> ..F.A...... set a mode of operation (from 0 to 4) (default select)
select 0 ..F.A...... select frame
add 1 ..F.A...... add new metadata
modify 2 ..F.A...... modify metadata
delete 3 ..F.A...... delete metadata
print 4 ..F.A...... print metadata
key <string> ..F.A...... set metadata key
value <string> ..F.A...... set metadata value
function <int> ..F.A...... function for comparing values (from 0 to 6) (default same_str)
same_str 0 ..F.A......
starts_with 1 ..F.A......
less 2 ..F.A......
equal 3 ..F.A......
greater 4 ..F.A......
expr 5 ..F.A......
ends_with 6 ..F.A......
expr <string> ..F.A...... set expression for expr function
file <string> ..F.A...... set file where to print metadata information
direct <boolean> ..F.A...... reduce buffering when printing to user-set file or pipe (default false)
amix AVOptions:
inputs <int> ..F.A...... Number of inputs. (from 1 to 32767) (default 2)
duration <int> ..F.A...... How to determine the end-of-stream. (from 0 to 2) (default longest)
longest 0 ..F.A...... Duration of longest input.
shortest 1 ..F.A...... Duration of shortest input.
first 2 ..F.A...... Duration of first input.
dropout_transition <float> ..F.A...... Transition time, in seconds, for volume renormalization when an input stream ends. (from 0 to INT_MAX) (default 2)
weights <string> ..F.A....T. Set weight for each input. (default "1 1")
normalize <boolean> ..F.A....T. Scale inputs (default true)
anequalizer AVOptions:
params <string> ..F.A...... (default "")
curves <boolean> ..FV....... draw frequency response curves (default false)
size <image_size> ..FV....... set video size (default "hd720")
mgain <double> ..FV....... set max gain (from -900 to 900) (default 60)
fscale <int> ..FV....... set frequency scale (from 0 to 1) (default log)
lin 0 ..FV....... linear
log 1 ..FV....... logarithmic
colors <string> ..FV....... set channels curves colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
anlmdn AVOptions:
strength <float> ..F.A....T. set denoising strength (from 1e-05 to 10000) (default 1e-05)
s <float> ..F.A....T. set denoising strength (from 1e-05 to 10000) (default 1e-05)
patch <duration> ..F.A....T. set patch duration (default 0.002)
p <duration> ..F.A....T. set patch duration (default 0.002)
research <duration> ..F.A....T. set research duration (default 0.006)
r <duration> ..F.A....T. set research duration (default 0.006)
output <int> ..F.A....T. set output mode (from 0 to 2) (default o)
i 0 ..F.A....T. input
o 1 ..F.A....T. output
n 2 ..F.A....T. noise
o <int> ..F.A....T. set output mode (from 0 to 2) (default o)
i 0 ..F.A....T. input
o 1 ..F.A....T. output
n 2 ..F.A....T. noise
smooth <float> ..F.A....T. set smooth factor (from 1 to 1000) (default 11)
m <float> ..F.A....T. set smooth factor (from 1 to 1000) (default 11)
anlm(f|s) AVOptions:
order <int> ..F.A...... set the filter order (from 1 to 32767) (default 256)
mu <float> ..F.A....T. set the filter mu (from 0 to 2) (default 0.75)
eps <float> ..F.A....T. set the filter eps (from 0 to 1) (default 1)
leakage <float> ..F.A....T. set the filter leakage (from 0 to 1) (default 0)
out_mode <int> ..F.A....T. set output mode (from 0 to 3) (default o)
i 0 ..F.A....T. input
d 1 ..F.A....T. desired
o 2 ..F.A....T. output
n 3 ..F.A....T. noise
anlm(f|s) AVOptions:
order <int> ..F.A...... set the filter order (from 1 to 32767) (default 256)
mu <float> ..F.A....T. set the filter mu (from 0 to 2) (default 0.75)
eps <float> ..F.A....T. set the filter eps (from 0 to 1) (default 1)
leakage <float> ..F.A....T. set the filter leakage (from 0 to 1) (default 0)
out_mode <int> ..F.A....T. set output mode (from 0 to 3) (default o)
i 0 ..F.A....T. input
d 1 ..F.A....T. desired
o 2 ..F.A....T. output
n 3 ..F.A....T. noise
apad AVOptions:
packet_size <int> ..F.A...... set silence packet size (from 0 to INT_MAX) (default 4096)
pad_len <int64> ..F.A...... set number of samples of silence to add (from -1 to I64_MAX) (default -1)
whole_len <int64> ..F.A...... set minimum target number of samples in the audio stream (from -1 to I64_MAX) (default -1)
pad_dur <duration> ..F.A...... set duration of silence to add (default -0.000001)
whole_dur <duration> ..F.A...... set minimum target duration in the audio stream (default -0.000001)
(a)perms AVOptions:
mode <int> ..FVA....T. select permissions mode (from 0 to 4) (default none)
none 0 ..FVA....T. do nothing
ro 1 ..FVA....T. set all output frames read-only
rw 2 ..FVA....T. set all output frames writable
toggle 3 ..FVA....T. switch permissions
random 4 ..FVA....T. set permissions randomly
seed <int64> ..FVA...... set the seed for the random mode (from -1 to UINT32_MAX) (default -1)
aphaser AVOptions:
in_gain <double> ..F.A...... set input gain (from 0 to 1) (default 0.4)
out_gain <double> ..F.A...... set output gain (from 0 to 1e+09) (default 0.74)
delay <double> ..F.A...... set delay in milliseconds (from 0 to 5) (default 3)
decay <double> ..F.A...... set decay (from 0 to 0.99) (default 0.4)
speed <double> ..F.A...... set modulation speed (from 0.1 to 2) (default 0.5)
type <int> ..F.A...... set modulation type (from 0 to 1) (default triangular)
triangular 1 ..F.A......
t 1 ..F.A......
sinusoidal 0 ..F.A......
s 0 ..F.A......
aphaseshift AVOptions:
shift <double> ..F.A....T. set phase shift (from -1 to 1) (default 0)
level <double> ..F.A....T. set output level (from 0 to 1) (default 1)
order <int> ..F.A....T. set filter order (from 1 to 16) (default 8)
apsyclip AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set output level (from 0.015625 to 64) (default 1)
clip <double> ..F.A....T. set clip level (from 0.015625 to 1) (default 1)
diff <boolean> ..F.A....T. enable difference (default false)
adaptive <double> ..F.A....T. set adaptive distortion (from 0 to 1) (default 0.5)
iterations <int> ..F.A....T. set iterations (from 1 to 20) (default 10)
level <boolean> ..F.A....T. set auto level (default false)
apulsator AVOptions:
level_in <double> ..F.A...... set input gain (from 0.015625 to 64) (default 1)
level_out <double> ..F.A...... set output gain (from 0.015625 to 64) (default 1)
mode <int> ..F.A...... set mode (from 0 to 4) (default sine)
sine 0 ..F.A......
triangle 1 ..F.A......
square 2 ..F.A......
sawup 3 ..F.A......
sawdown 4 ..F.A......
amount <double> ..F.A...... set modulation (from 0 to 1) (default 1)
offset_l <double> ..F.A...... set offset L (from 0 to 1) (default 0)
offset_r <double> ..F.A...... set offset R (from 0 to 1) (default 0.5)
width <double> ..F.A...... set pulse width (from 0 to 2) (default 1)
timing <int> ..F.A...... set timing (from 0 to 2) (default hz)
bpm 0 ..F.A......
ms 1 ..F.A......
hz 2 ..F.A......
bpm <double> ..F.A...... set BPM (from 30 to 300) (default 120)
ms <int> ..F.A...... set ms (from 10 to 2000) (default 500)
hz <double> ..F.A...... set frequency (from 0.01 to 100) (default 2)
(a)realtime AVOptions:
limit <duration> ..FVA....T. sleep time limit (default 2)
speed <double> ..FVA....T. speed factor (from DBL_MIN to DBL_MAX) (default 1)
aresample AVOptions:
sample_rate <int> ..F.A...... (from 0 to INT_MAX) (default 0)
SWResampler AVOptions:
-ich <int> ....A.....P set input channel count (Deprecated, use ichl) (from 0 to 64) (default 0)
-in_channel_count <int> ....A.....P set input channel count (Deprecated, use in_chlayout) (from 0 to 64) (default 0)
-och <int> ....A.....P set output channel count (Deprecated, use ochl) (from 0 to 64) (default 0)
-out_channel_count <int> ....A.....P set output channel count (Deprecated, use out_chlayout) (from 0 to 64) (default 0)
-uch <int> ....A...... set used channel count (from 0 to 64) (default 0)
-used_channel_count <int> ....A...... set used channel count (from 0 to 64) (default 0)
-isr <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-in_sample_rate <int> ....A...... set input sample rate (from 0 to INT_MAX) (default 0)
-osr <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-out_sample_rate <int> ....A...... set output sample rate (from 0 to INT_MAX) (default 0)
-isf <sample_fmt> ....A...... set input sample format (default none)
-in_sample_fmt <sample_fmt> ....A...... set input sample format (default none)
-osf <sample_fmt> ....A...... set output sample format (default none)
-out_sample_fmt <sample_fmt> ....A...... set output sample format (default none)
-tsf <sample_fmt> ....A...... set internal sample format (default none)
-internal_sample_fmt <sample_fmt> ....A...... set internal sample format (default none)
-icl <channel_layout> ....A.....P set input channel layout (Deprecated, use ichl) (default 0x0)
-in_channel_layout <channel_layout> ....A.....P set input channel layout (Deprecated, use in_chlayout) (default 0x0)
-ocl <channel_layout> ....A.....P set output channel layout (Deprecated, use ochl) (default 0x0)
-out_channel_layout <channel_layout> ....A.....P set output channel layout (Deprecated, use out_chlayout) (default 0x0)
-ichl <channel_layout> ....A...... set input channel layout
-in_chlayout <channel_layout> ....A...... set input channel layout
-ochl <channel_layout> ....A...... set output channel layout
-out_chlayout <channel_layout> ....A...... set output channel layout
-clev <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-center_mix_level <float> ....A...... set center mix level (from -32 to 32) (default 0.707107)
-slev <float> ....A...... set surround mix level (from -32 to 32) (default 0.707107)
-surround_mix_level <float> ....A...... set surround mix Level (from -32 to 32) (default 0.707107)
-lfe_mix_level <float> ....A...... set LFE mix level (from -32 to 32) (default 0)
-rmvol <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_volume <float> ....A...... set rematrix volume (from -1000 to 1000) (default 1)
-rematrix_maxval <float> ....A...... set rematrix maxval (from 0 to 1000) (default 0)
-flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-swr_flags <flags> ....A...... set flags (default 0)
res ....A...... force resampling
-dither_scale <float> ....A...... set dither scale (from 0 to INT_MAX) (default 1)
-dither_method <int> ....A...... set dither method (from 0 to 71) (default 0)
rectangular 1 ....A...... select rectangular dither
triangular 2 ....A...... select triangular dither
triangular_hp 3 ....A...... select triangular dither with high pass
lipshitz 65 ....A...... select Lipshitz noise shaping dither
shibata 69 ....A...... select Shibata noise shaping dither
low_shibata 70 ....A...... select low Shibata noise shaping dither
high_shibata 71 ....A...... select high Shibata noise shaping dither
f_weighted 66 ....A...... select f-weighted noise shaping dither
modified_e_weighted 67 ....A...... select modified-e-weighted noise shaping dither
improved_e_weighted 68 ....A...... select improved-e-weighted noise shaping dither
-filter_size <int> ....A...... set swr resampling filter size (from 0 to INT_MAX) (default 32)
-phase_shift <int> ....A...... set swr resampling phase shift (from 0 to 24) (default 10)
-linear_interp <boolean> ....A...... enable linear interpolation (default true)
-exact_rational <boolean> ....A...... enable exact rational (default true)
-cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resample_cutoff <double> ....A...... set cutoff frequency ratio (from 0 to 1) (default 0)
-resampler <int> ....A...... set resampling Engine (from 0 to 1) (default swr)
swr 0 ....A...... select SW Resampler
soxr 1 ....A...... select SoX Resampler
-precision <double> ....A...... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
-cheby <boolean> ....A...... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (default false)
-min_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX)
-min_hard_comp <float> ....A...... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1)
-comp_duration <float> ....A...... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1)
-max_soft_comp <float> ....A...... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0)
-async <float> ....A...... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
-first_pts <int64> ....A...... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
-matrix_encoding <int> ....A...... set matrixed stereo encoding (from 0 to 6) (default none)
none 0 ....A...... select none
dolby 1 ....A...... select Dolby
dplii 2 ....A...... select Dolby Pro Logic II
-filter_type <int> ....A...... select swr filter type (from 0 to 2) (default kaiser)
cubic 0 ....A...... select cubic
blackman_nuttall 1 ....A...... select Blackman Nuttall windowed sinc
kaiser 2 ....A...... select Kaiser windowed sinc
-kaiser_beta <double> ....A...... set swr Kaiser window beta (from 2 to 16) (default 9)
-output_sample_bits <int> ....A...... set swr number of output sample bits (from 0 to 64) (default 0)
arnndn AVOptions:
model <string> ..F.A....T. set model name
m <string> ..F.A....T. set model name
mix <float> ..F.A....T. set output vs input mix (from -1 to 1) (default 1)
asegment AVOptions:
timestamps <string> ..F.A...... timestamps of input at which to split input
samples <string> ..F.A...... samples at which to split input
aselect AVOptions:
expr <string> ..F.A...... set an expression to use for selecting frames (default "1")
e <string> ..F.A...... set an expression to use for selecting frames (default "1")
outputs <int> ..F.A...... set the number of outputs (from 1 to INT_MAX) (default 1)
n <int> ..F.A...... set the number of outputs (from 1 to INT_MAX) (default 1)
(a)sendcmd AVOptions:
commands <string> ..FVA...... set commands
c <string> ..FVA...... set commands
filename <string> ..FVA...... set commands file
f <string> ..FVA...... set commands file
asetnsamples AVOptions:
nb_out_samples <int> ..F.A...... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
pad <boolean> ..F.A...... pad last frame with zeros (default true)
p <boolean> ..F.A...... pad last frame with zeros (default true)
asetpts AVOptions:
expr <string> ..F.A...... Expression determining the frame timestamp (default "PTS")
asetrate AVOptions:
sample_rate <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
asettb AVOptions:
expr <string> ..F.A...... set expression determining the output timebase (default "intb")
tb <string> ..F.A...... set expression determining the output timebase (default "intb")
asidedata AVOptions:
mode <int> ..F.A...... set a mode of operation (from 0 to 1) (default select)
select 0 ..F.A...... select frame
delete 1 ..F.A...... delete side data
type <int> ..F.A...... set side data type (from -1 to INT_MAX) (default -1)
PANSCAN 0 ..F.A......
A53_CC 1 ..F.A......
STEREO3D 2 ..F.A......
MATRIXENCODING 3 ..F.A......
DOWNMIX_INFO 4 ..F.A......
REPLAYGAIN 5 ..F.A......
DISPLAYMATRIX 6 ..F.A......
AFD 7 ..F.A......
MOTION_VECTORS 8 ..F.A......
SKIP_SAMPLES 9 ..F.A......
AUDIO_SERVICE_TYPE 10 ..F.A......
MASTERING_DISPLAY_METADATA 11 ..F.A......
GOP_TIMECODE 12 ..F.A......
SPHERICAL 13 ..F.A......
CONTENT_LIGHT_LEVEL 14 ..F.A......
ICC_PROFILE 15 ..F.A......
S12M_TIMECOD 16 ..F.A......
DYNAMIC_HDR_PLUS 17 ..F.A......
REGIONS_OF_INTEREST 18 ..F.A......
DETECTION_BOUNDING_BOXES 22 ..F.A......
SEI_UNREGISTERED 20 ..F.A......
asoftclip AVOptions:
type <int> ..F.A....T. set softclip type (from -1 to 7) (default tanh)
hard -1 ..F.A....T.
tanh 0 ..F.A....T.
atan 1 ..F.A....T.
cubic 2 ..F.A....T.
exp 3 ..F.A....T.
alg 4 ..F.A....T.
quintic 5 ..F.A....T.
sin 6 ..F.A....T.
erf 7 ..F.A....T.
threshold <double> ..F.A....T. set softclip threshold (from 1e-06 to 1) (default 1)
output <double> ..F.A....T. set softclip output gain (from 1e-06 to 16) (default 1)
param <double> ..F.A....T. set softclip parameter (from 0.01 to 3) (default 1)
oversample <int> ..F.A....T. set oversample factor (from 1 to 64) (default 1)
aspectralstats AVOptions:
win_size <int> ..F.A...... set the window size (from 32 to 65536) (default 2048)
win_func <int> ..F.A...... set window function (from 0 to 19) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 0.5)
(a)split AVOptions:
outputs <int> ..FVA...... set number of outputs (from 1 to INT_MAX) (default 2)
astats AVOptions:
length <double> ..F.A...... set the window length (from 0 to 10) (default 0.05)
metadata <boolean> ..F.A...... inject metadata in the filtergraph (default false)
reset <int> ..F.A...... Set the number of frames over which cumulative stats are calculated before being reset (from 0 to INT_MAX) (default 0)
measure_perchannel <flags> ..F.A...... Select the parameters which are measured per channel (default all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Noise_floor+Noise_floor_count+Entropy+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)
none ..F.A......
all ..F.A......
DC_offset ..F.A......
Min_level ..F.A......
Max_level ..F.A......
Min_difference ..F.A......
Max_difference ..F.A......
Mean_difference ..F.A......
RMS_difference ..F.A......
Peak_level ..F.A......
RMS_level ..F.A......
RMS_peak ..F.A......
RMS_trough ..F.A......
Crest_factor ..F.A......
Flat_factor ..F.A......
Peak_count ..F.A......
Bit_depth ..F.A......
Dynamic_range ..F.A......
Zero_crossings ..F.A......
Zero_crossings_rate ..F.A......
Noise_floor ..F.A......
Noise_floor_count ..F.A......
Entropy ..F.A......
Number_of_samples ..F.A......
Number_of_NaNs ..F.A......
Number_of_Infs ..F.A......
Number_of_denormals ..F.A......
measure_overall <flags> ..F.A...... Select the parameters which are measured overall (default all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Noise_floor+Noise_floor_count+Entropy+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)
none ..F.A......
all ..F.A......
DC_offset ..F.A......
Min_level ..F.A......
Max_level ..F.A......
Min_difference ..F.A......
Max_difference ..F.A......
Mean_difference ..F.A......
RMS_difference ..F.A......
Peak_level ..F.A......
RMS_level ..F.A......
RMS_peak ..F.A......
RMS_trough ..F.A......
Crest_factor ..F.A......
Flat_factor ..F.A......
Peak_count ..F.A......
Bit_depth ..F.A......
Dynamic_range ..F.A......
Zero_crossings ..F.A......
Zero_crossings_rate ..F.A......
Noise_floor ..F.A......
Noise_floor_count ..F.A......
Entropy ..F.A......
Number_of_samples ..F.A......
Number_of_NaNs ..F.A......
Number_of_Infs ..F.A......
Number_of_denormals ..F.A......
(a)streamselect AVOptions:
inputs <int> ..FVA...... number of input streams (from 2 to INT_MAX) (default 2)
map <string> ..FVA....T. input indexes to remap to outputs
asubboost AVOptions:
dry <double> ..F.A....T. set dry gain (from 0 to 1) (default 1)
wet <double> ..F.A....T. set wet gain (from 0 to 1) (default 1)
boost <double> ..F.A....T. set max boost (from 1 to 12) (default 2)
decay <double> ..F.A....T. set decay (from 0 to 1) (default 0)
feedback <double> ..F.A....T. set feedback (from 0 to 1) (default 0.9)
cutoff <double> ..F.A....T. set cutoff (from 50 to 900) (default 100)
slope <double> ..F.A....T. set slope (from 0.0001 to 1) (default 0.5)
delay <double> ..F.A....T. set delay (from 1 to 100) (default 20)
channels <string> ..F.A....T. set channels to filter (default "all")
asubcut AVOptions:
cutoff <double> ..F.A....T. set cutoff frequency (from 2 to 200) (default 20)
order <int> ..F.A....T. set filter order (from 3 to 20) (default 10)
level <double> ..F.A....T. set input level (from 0 to 1) (default 1)
asupercut AVOptions:
cutoff <double> ..F.A....T. set cutoff frequency (from 20000 to 192000) (default 20000)
order <int> ..F.A....T. set filter order (from 3 to 20) (default 10)
level <double> ..F.A....T. set input level (from 0 to 1) (default 1)
asuperpass/asuperstop AVOptions:
centerf <double> ..F.A....T. set center frequency (from 2 to 999999) (default 1000)
order <int> ..F.A....T. set filter order (from 4 to 20) (default 4)
qfactor <double> ..F.A....T. set Q-factor (from 0.01 to 100) (default 1)
level <double> ..F.A....T. set input level (from 0 to 2) (default 1)
asuperpass/asuperstop AVOptions:
centerf <double> ..F.A....T. set center frequency (from 2 to 999999) (default 1000)
order <int> ..F.A....T. set filter order (from 4 to 20) (default 4)
qfactor <double> ..F.A....T. set Q-factor (from 0.01 to 100) (default 1)
level <double> ..F.A....T. set input level (from 0 to 2) (default 1)
atempo AVOptions:
tempo <double> ..F.A....T. set tempo scale factor (from 0.5 to 100) (default 1)
atilt AVOptions:
freq <double> ..F.A....T. set central frequency (from 20 to 192000) (default 10000)
slope <double> ..F.A....T. set filter slope (from -1 to 1) (default 0)
width <double> ..F.A....T. set filter width (from 100 to 10000) (default 1000)
order <int> ..F.A....T. set filter order (from 2 to 30) (default 5)
level <double> ..F.A....T. set input level (from 0 to 4) (default 1)
atrim AVOptions:
start <duration> ..F.A...... Timestamp of the first frame that should be passed (default INT64_MAX)
starti <duration> ..F.A...... Timestamp of the first frame that should be passed (default INT64_MAX)
end <duration> ..F.A...... Timestamp of the first frame that should be dropped again (default INT64_MAX)
endi <duration> ..F.A...... Timestamp of the first frame that should be dropped again (default INT64_MAX)
start_pts <int64> ..F.A...... Timestamp of the first frame that should be passed (from I64_MIN to I64_MAX) (default I64_MIN)
end_pts <int64> ..F.A...... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
duration <duration> ..F.A...... Maximum duration of the output (default 0)
durationi <duration> ..F.A...... Maximum duration of the output (default 0)
start_sample <int64> ..F.A...... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1)
end_sample <int64> ..F.A...... Number of the first audio sample that should be dropped again (from 0 to I64_MAX) (default I64_MAX)
axcorrelate AVOptions:
size <int> ..F.A...... set segment size (from 2 to 131072) (default 256)
algo <int> ..F.A...... set algorithm (from 0 to 1) (default slow)
slow 0 ..F.A...... slow algorithm
fast 1 ..F.A...... fast algorithm
(a)zmq AVOptions:
bind_address <string> ..FVA...... set bind address (default "tcp://*:5555")
b <string> ..FVA...... set bind address (default "tcp://*:5555")
bandpass AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
csg <boolean> ..F.A....T. use constant skirt gain (default false)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
bandreject AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
bass/lowshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
biquad AVOptions:
a0 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 1)
a1 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
a2 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b0 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b1 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
b2 <double> ..F.A....T. (from INT_MIN to INT_MAX) (default 0)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
bs2b AVOptions:
profile <int> ..F.A...... Apply a pre-defined crossfeed level (from 0 to INT_MAX) (default default)
default 2949820 ..F.A...... default profile
cmoy 3932860 ..F.A...... Chu Moy circuit
jmeier 6226570 ..F.A...... Jan Meier circuit
fcut <int> ..F.A...... Set cut frequency (in Hz) (from 0 to 2000) (default 0)
feed <int> ..F.A...... Set feed level (in Hz) (from 0 to 150) (default 0)
channelmap AVOptions:
map <string> ..F.A...... A comma-separated list of input channel numbers in output order.
channel_layout <string> ..F.A...... Output channel layout.
channelsplit AVOptions:
channel_layout <string> ..F.A...... Input channel layout. (default "stereo")
channels <string> ..F.A...... Channels to extract. (default "all")
chorus AVOptions:
in_gain <float> ..F.A...... set input gain (from 0 to 1) (default 0.4)
out_gain <float> ..F.A...... set output gain (from 0 to 1) (default 0.4)
delays <string> ..F.A...... set delays
decays <string> ..F.A...... set decays
speeds <string> ..F.A...... set speeds
depths <string> ..F.A...... set depths
compand AVOptions:
attacks <string> ..F.A...... set time over which increase of volume is determined (default "0")
decays <string> ..F.A...... set time over which decrease of volume is determined (default "0.8")
points <string> ..F.A...... set points of transfer function (default "-70/-70|-60/-20|1/0")
soft-knee <double> ..F.A...... set soft-knee (from 0.01 to 900) (default 0.01)
gain <double> ..F.A...... set output gain (from -900 to 900) (default 0)
volume <double> ..F.A...... set initial volume (from -900 to 0) (default 0)
delay <double> ..F.A...... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0)
compensationdelay AVOptions:
mm <int> ..F.A....T. set mm distance (from 0 to 10) (default 0)
cm <int> ..F.A....T. set cm distance (from 0 to 100) (default 0)
m <int> ..F.A....T. set meter distance (from 0 to 100) (default 0)
dry <double> ..F.A....T. set dry amount (from 0 to 1) (default 0)
wet <double> ..F.A....T. set wet amount (from 0 to 1) (default 1)
temp <int> ..F.A....T. set temperature °C (from -50 to 50) (default 20)
crossfeed AVOptions:
strength <double> ..F.A....T. set crossfeed strength (from 0 to 1) (default 0.2)
range <double> ..F.A....T. set soundstage wideness (from 0 to 1) (default 0.5)
slope <double> ..F.A....T. set curve slope (from 0.01 to 1) (default 0.5)
level_in <double> ..F.A....T. set level in (from 0 to 1) (default 0.9)
level_out <double> ..F.A....T. set level out (from 0 to 1) (default 1)
block_size <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
crystalizer AVOptions:
i <float> ..F.A....T. set intensity (from -10 to 10) (default 2)
c <boolean> ..F.A....T. enable clipping (default true)
dcshift AVOptions:
shift <double> ..F.A...... set DC shift (from -1 to 1) (default 0)
limitergain <double> ..F.A...... set limiter gain (from 0 to 1) (default 0)
deesser AVOptions:
i <double> ..F.A...... set intensity (from 0 to 1) (default 0)
m <double> ..F.A...... set max deessing (from 0 to 1) (default 0.5)
f <double> ..F.A...... set frequency (from 0 to 1) (default 0.5)
s <int> ..F.A...... set output mode (from 0 to 2) (default o)
i 0 ..F.A...... input
o 1 ..F.A...... output
e 2 ..F.A...... ess
dialoguenhance AVOptions:
original <double> ..F.A....T. set original center factor (from 0 to 1) (default 1)
enhance <double> ..F.A....T. set dialogue enhance factor (from 0 to 3) (default 1)
voice <double> ..F.A....T. set voice detection factor (from 2 to 32) (default 2)
drmeter AVOptions:
length <double> ..F.A...... set the window length (from 0.01 to 10) (default 3)
dynaudnorm AVOptions:
framelen <int> ..F.A....T. set the frame length in msec (from 10 to 8000) (default 500)
f <int> ..F.A....T. set the frame length in msec (from 10 to 8000) (default 500)
gausssize <int> ..F.A....T. set the filter size (from 3 to 301) (default 31)
g <int> ..F.A....T. set the filter size (from 3 to 301) (default 31)
peak <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
p <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
maxgain <double> ..F.A....T. set the max amplification (from 1 to 100) (default 10)
m <double> ..F.A....T. set the max amplification (from 1 to 100) (default 10)
targetrms <double> ..F.A....T. set the target RMS (from 0 to 1) (default 0)
r <double> ..F.A....T. set the target RMS (from 0 to 1) (default 0)
coupling <boolean> ..F.A....T. set channel coupling (default true)
n <boolean> ..F.A....T. set channel coupling (default true)
correctdc <boolean> ..F.A....T. set DC correction (default false)
c <boolean> ..F.A....T. set DC correction (default false)
altboundary <boolean> ..F.A....T. set alternative boundary mode (default false)
b <boolean> ..F.A....T. set alternative boundary mode (default false)
compress <double> ..F.A....T. set the compress factor (from 0 to 30) (default 0)
s <double> ..F.A....T. set the compress factor (from 0 to 30) (default 0)
threshold <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
t <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
channels <string> ..F.A....T. set channels to filter (default "all")
h <string> ..F.A....T. set channels to filter (default "all")
overlap <double> ..F.A....T. set the frame overlap (from 0 to 1) (default 0)
o <double> ..F.A....T. set the frame overlap (from 0 to 1) (default 0)
ebur128 AVOptions:
video <boolean> ..FV....... set video output (default false)
size <image_size> ..FV....... set video size (default "640x480")
meter <int> ..FV....... set scale meter (+9 to +18) (from 9 to 18) (default 9)
framelog <int> ..FVA...... force frame logging level (from INT_MIN to INT_MAX) (default -1)
info 32 ..FVA...... information logging level
verbose 40 ..FVA...... verbose logging level
metadata <boolean> ..FVA...... inject metadata in the filtergraph (default false)
peak <flags> ..F.A...... set peak mode (default 0)
none ..F.A...... disable any peak mode
sample ..F.A...... enable peak-sample mode
true ..F.A...... enable true-peak mode
dualmono <boolean> ..F.A...... treat mono input files as dual-mono (default false)
panlaw <double> ..F.A...... set a specific pan law for dual-mono files (from -10 to 0) (default -3.0103)
target <int> ..FV....... set a specific target level in LUFS (-23 to 0) (from -23 to 0) (default -23)
gauge <int> ..FV....... set gauge display type (from 0 to 1) (default momentary)
momentary 0 ..FV....... display momentary value
m 0 ..FV....... display momentary value
shortterm 1 ..FV....... display short-term value
s 1 ..FV....... display short-term value
scale <int> ..FV....... sets display method for the stats (from 0 to 1) (default absolute)
absolute 0 ..FV....... display absolute values (LUFS)
LUFS 0 ..FV....... display absolute values (LUFS)
relative 1 ..FV....... display values relative to target (LU)
LU 1 ..FV....... display values relative to target (LU)
equalizer AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 0)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 0)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 1)
w <double> ..F.A....T. set width (from 0 to 99999) (default 1)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
extrastereo AVOptions:
m <float> ..F.A....T. set the difference coefficient (from -10 to 10) (default 2.5)
c <boolean> ..F.A....T. enable clipping (default true)
firequalizer AVOptions:
gain <string> ..F.A....T. set gain curve (default "gain_interpolate(f)")
gain_entry <string> ..F.A....T. set gain entry
delay <double> ..F.A...... set delay (from 0 to 1e+10) (default 0.01)
accuracy <double> ..F.A...... set accuracy (from 0 to 1e+10) (default 5)
wfunc <int> ..F.A...... set window function (from 0 to 9) (default hann)
rectangular 0 ..F.A...... rectangular window
hann 1 ..F.A...... hann window
hamming 2 ..F.A...... hamming window
blackman 3 ..F.A...... blackman window
nuttall3 4 ..F.A...... 3-term nuttall window
mnuttall3 5 ..F.A...... minimum 3-term nuttall window
nuttall 6 ..F.A...... nuttall window
bnuttall 7 ..F.A...... blackman-nuttall window
bharris 8 ..F.A...... blackman-harris window
tukey 9 ..F.A...... tukey window
fixed <boolean> ..F.A...... set fixed frame samples (default false)
multi <boolean> ..F.A...... set multi channels mode (default false)
zero_phase <boolean> ..F.A...... set zero phase mode (default false)
scale <int> ..F.A...... set gain scale (from 0 to 3) (default linlog)
linlin 0 ..F.A...... linear-freq linear-gain
linlog 1 ..F.A...... linear-freq logarithmic-gain
loglin 2 ..F.A...... logarithmic-freq linear-gain
loglog 3 ..F.A...... logarithmic-freq logarithmic-gain
dumpfile <string> ..F.A...... set dump file
dumpscale <int> ..F.A...... set dump scale (from 0 to 3) (default linlog)
linlin 0 ..F.A...... linear-freq linear-gain
linlog 1 ..F.A...... linear-freq logarithmic-gain
loglin 2 ..F.A...... logarithmic-freq linear-gain
loglog 3 ..F.A...... logarithmic-freq logarithmic-gain
fft2 <boolean> ..F.A...... set 2-channels fft (default false)
min_phase <boolean> ..F.A...... set minimum phase mode (default false)
flanger AVOptions:
delay <double> ..F.A...... base delay in milliseconds (from 0 to 30) (default 0)
depth <double> ..F.A...... added swept delay in milliseconds (from 0 to 10) (default 2)
regen <double> ..F.A...... percentage regeneration (delayed signal feedback) (from -95 to 95) (default 0)
width <double> ..F.A...... percentage of delayed signal mixed with original (from 0 to 100) (default 71)
speed <double> ..F.A...... sweeps per second (Hz) (from 0.1 to 10) (default 0.5)
shape <int> ..F.A...... swept wave shape (from 0 to 1) (default sinusoidal)
triangular 1 ..F.A......
t 1 ..F.A......
sinusoidal 0 ..F.A......
s 0 ..F.A......
phase <double> ..F.A...... swept wave percentage phase-shift for multi-channel (from 0 to 100) (default 25)
interp <int> ..F.A...... delay-line interpolation (from 0 to 1) (default linear)
linear 0 ..F.A......
quadratic 1 ..F.A......
haas AVOptions:
level_in <double> ..F.A...... set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A...... set level out (from 0.015625 to 64) (default 1)
side_gain <double> ..F.A...... set side gain (from 0.015625 to 64) (default 1)
middle_source <int> ..F.A...... set middle source (from 0 to 3) (default mid)
left 0 ..F.A......
right 1 ..F.A......
mid 2 ..F.A...... L+R
side 3 ..F.A...... L-R
middle_phase <boolean> ..F.A...... set middle phase (default false)
left_delay <double> ..F.A...... set left delay (from 0 to 40) (default 2.05)
left_balance <double> ..F.A...... set left balance (from -1 to 1) (default -1)
left_gain <double> ..F.A...... set left gain (from 0.015625 to 64) (default 1)
left_phase <boolean> ..F.A...... set left phase (default false)
right_delay <double> ..F.A...... set right delay (from 0 to 40) (default 2.12)
right_balance <double> ..F.A...... set right balance (from -1 to 1) (default 1)
right_gain <double> ..F.A...... set right gain (from 0.015625 to 64) (default 1)
right_phase <boolean> ..F.A...... set right phase (default true)
hdcd AVOptions:
disable_autoconvert <boolean> ..F.A...... Disable any format conversion or resampling in the filter graph. (default true)
process_stereo <boolean> ..F.A...... Process stereo channels together. Only apply target_gain when both channels match. (default true)
cdt_ms <int> ..F.A...... Code detect timer period in ms. (from 100 to 60000) (default 2000)
force_pe <boolean> ..F.A...... Always extend peaks above -3dBFS even when PE is not signaled. (default false)
analyze_mode <int> ..F.A...... Replace audio with solid tone and signal some processing aspect in the amplitude. (from 0 to 4) (default off)
off 0 ..F.A...... disabled
lle 1 ..F.A...... gain adjustment level at each sample
pe 2 ..F.A...... samples where peak extend occurs
cdt 3 ..F.A...... samples where the code detect timer is active
tgm 4 ..F.A...... samples where the target gain does not match between channels
bits_per_sample <int> ..F.A...... Valid bits per sample (location of the true LSB). (from 16 to 24) (default 16)
16 16 ..F.A...... 16-bit (in s32 or s16)
20 20 ..F.A...... 20-bit (in s32)
24 24 ..F.A...... 24-bit (in s32)
headphone AVOptions:
map <string> ..F.A...... set channels convolution mappings
gain <float> ..F.A...... set gain in dB (from -20 to 40) (default 0)
lfe <float> ..F.A...... set lfe gain in dB (from -20 to 40) (default 0)
type <int> ..F.A...... set processing (from 0 to 1) (default freq)
time 0 ..F.A...... time domain
freq 1 ..F.A...... frequency domain
size <int> ..F.A...... set frame size (from 1024 to 96000) (default 1024)
hrir <int> ..F.A...... set hrir format (from 0 to 1) (default stereo)
stereo 0 ..F.A...... hrir files have exactly 2 channels
multich 1 ..F.A...... single multichannel hrir file
highpass AVOptions:
frequency <double> ..F.A....T. set frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
treble/high/tiltshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
join AVOptions:
inputs <int> ..F.A...... Number of input streams. (from 1 to INT_MAX) (default 2)
channel_layout <string> ..F.A...... Channel layout of the output stream. (default "stereo")
map <string> ..F.A...... A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel.
ladspa AVOptions:
file <string> ..F.A...... set library name or full path
f <string> ..F.A...... set library name or full path
plugin <string> ..F.A...... set plugin name
p <string> ..F.A...... set plugin name
controls <string> ..F.A...... set plugin options
c <string> ..F.A...... set plugin options
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
s <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
duration <duration> ..F.A...... set audio duration (default -0.000001)
d <duration> ..F.A...... set audio duration (default -0.000001)
latency <boolean> ..F.A...... enable latency compensation (default false)
l <boolean> ..F.A...... enable latency compensation (default false)
loudnorm AVOptions:
I <double> ..F.A...... set integrated loudness target (from -70 to -5) (default -24)
i <double> ..F.A...... set integrated loudness target (from -70 to -5) (default -24)
LRA <double> ..F.A...... set loudness range target (from 1 to 50) (default 7)
lra <double> ..F.A...... set loudness range target (from 1 to 50) (default 7)
TP <double> ..F.A...... set maximum true peak (from -9 to 0) (default -2)
tp <double> ..F.A...... set maximum true peak (from -9 to 0) (default -2)
measured_I <double> ..F.A...... measured IL of input file (from -99 to 0) (default 0)
measured_i <double> ..F.A...... measured IL of input file (from -99 to 0) (default 0)
measured_LRA <double> ..F.A...... measured LRA of input file (from 0 to 99) (default 0)
measured_lra <double> ..F.A...... measured LRA of input file (from 0 to 99) (default 0)
measured_TP <double> ..F.A...... measured true peak of input file (from -99 to 99) (default 99)
measured_tp <double> ..F.A...... measured true peak of input file (from -99 to 99) (default 99)
measured_thresh <double> ..F.A...... measured threshold of input file (from -99 to 0) (default -70)
offset <double> ..F.A...... set offset gain (from -99 to 99) (default 0)
linear <boolean> ..F.A...... normalize linearly if possible (default true)
dual_mono <boolean> ..F.A...... treat mono input as dual-mono (default false)
print_format <int> ..F.A...... set print format for stats (from 0 to 2) (default none)
none 0 ..F.A......
json 1 ..F.A......
summary 2 ..F.A......
lowpass AVOptions:
frequency <double> ..F.A....T. set frequency (from 0 to 999999) (default 500)
f <double> ..F.A....T. set frequency (from 0 to 999999) (default 500)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.707)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
bass/lowshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 100)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
mcompand AVOptions:
args <string> ..F.A...... set parameters for each band (default "0.005,0.1 6 -47/-40,-34/-34,-17/-33 100 | 0.003,0.05 6 -47/-40,-34/-34,-17/-33 400 | 0.000625,0.0125 6 -47/-40,-34/-34,-15/-33 1600 | 0.0001,0.025 6 -47/-40,-34/-34,-31/-31,-0/-30 6400 | 0,0.025 6 -38/-31,-28/-28,-0/-25 22000")
pan AVOptions:
args <string> ..F.A......
rubberband AVOptions:
tempo <double> ..F.A....T. set tempo scale factor (from 0.01 to 100) (default 1)
pitch <double> ..F.A....T. set pitch scale factor (from 0.01 to 100) (default 1)
transients <int> ..F.A...... set transients (from 0 to INT_MAX) (default crisp)
crisp 0 ..F.A......
mixed 256 ..F.A......
smooth 512 ..F.A......
detector <int> ..F.A...... set detector (from 0 to INT_MAX) (default compound)
compound 0 ..F.A......
percussive 1024 ..F.A......
soft 2048 ..F.A......
phase <int> ..F.A...... set phase (from 0 to INT_MAX) (default laminar)
laminar 0 ..F.A......
independent 8192 ..F.A......
window <int> ..F.A...... set window (from 0 to INT_MAX) (default standard)
standard 0 ..F.A......
short 1048576 ..F.A......
long 2097152 ..F.A......
smoothing <int> ..F.A...... set smoothing (from 0 to INT_MAX) (default off)
off 0 ..F.A......
on 8388608 ..F.A......
formant <int> ..F.A...... set formant (from 0 to INT_MAX) (default shifted)
shifted 0 ..F.A......
preserved 16777216 ..F.A......
pitchq <int> ..F.A...... set pitch quality (from 0 to INT_MAX) (default quality)
quality 0 ..F.A......
speed 33554432 ..F.A......
consistency 67108864 ..F.A......
channels <int> ..F.A...... set channels (from 0 to INT_MAX) (default apart)
apart 0 ..F.A......
together 268435456 ..F.A......
acompressor/sidechaincompress AVOptions:
level_in <double> ..F.A....T. set input gain (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
threshold <double> ..F.A....T. set threshold (from 0.000976563 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 20) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 2000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set make up gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
link <int> ..F.A....T. set link type (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
agate/sidechaingate AVOptions:
level_in <double> ..F.A....T. set input level (from 0.015625 to 64) (default 1)
mode <int> ..F.A....T. set mode (from 0 to 1) (default downward)
downward 0 ..F.A....T.
upward 1 ..F.A....T.
range <double> ..F.A....T. set max gain reduction (from 0 to 1) (default 0.06125)
threshold <double> ..F.A....T. set threshold (from 0 to 1) (default 0.125)
ratio <double> ..F.A....T. set ratio (from 1 to 9000) (default 2)
attack <double> ..F.A....T. set attack (from 0.01 to 9000) (default 20)
release <double> ..F.A....T. set release (from 0.01 to 9000) (default 250)
makeup <double> ..F.A....T. set makeup gain (from 1 to 64) (default 1)
knee <double> ..F.A....T. set knee (from 1 to 8) (default 2.82843)
detection <int> ..F.A....T. set detection (from 0 to 1) (default rms)
peak 0 ..F.A....T.
rms 1 ..F.A....T.
link <int> ..F.A....T. set link (from 0 to 1) (default average)
average 0 ..F.A....T.
maximum 1 ..F.A....T.
level_sc <double> ..F.A....T. set sidechain gain (from 0.015625 to 64) (default 1)
silencedetect AVOptions:
n <double> ..F.A...... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
noise <double> ..F.A...... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
d <duration> ..F.A...... set minimum duration in seconds (default 2)
duration <duration> ..F.A...... set minimum duration in seconds (default 2)
mono <boolean> ..F.A...... check each channel separately (default false)
m <boolean> ..F.A...... check each channel separately (default false)
silenceremove AVOptions:
start_periods <int> ..F.A...... set periods of silence parts to skip from start (from 0 to 9000) (default 0)
start_duration <duration> ..F.A...... set start duration of non-silence part (default 0)
start_threshold <double> ..F.A...... set threshold for start silence detection (from 0 to DBL_MAX) (default 0)
start_silence <duration> ..F.A...... set start duration of silence part to keep (default 0)
start_mode <int> ..F.A...... set which channel will trigger trimming from start (from 0 to 1) (default any)
any 0 ..F.A......
all 1 ..F.A......
stop_periods <int> ..F.A...... set periods of silence parts to skip from end (from -9000 to 9000) (default 0)
stop_duration <duration> ..F.A...... set stop duration of non-silence part (default 0)
stop_threshold <double> ..F.A...... set threshold for stop silence detection (from 0 to DBL_MAX) (default 0)
stop_silence <duration> ..F.A...... set stop duration of silence part to keep (default 0)
stop_mode <int> ..F.A...... set which channel will trigger trimming from end (from 0 to 1) (default any)
any 0 ..F.A......
all 1 ..F.A......
detection <int> ..F.A...... set how silence is detected (from 0 to 1) (default rms)
peak 0 ..F.A...... use absolute values of samples
rms 1 ..F.A...... use squared values of samples
window <duration> ..F.A...... set duration of window for silence detection (default 0.02)
sofalizer AVOptions:
sofa <string> ..F.A...... sofa filename
gain <float> ..F.A...... set gain in dB (from -20 to 40) (default 0)
rotation <float> ..F.A...... set rotation (from -360 to 360) (default 0)
elevation <float> ..F.A...... set elevation (from -90 to 90) (default 0)
radius <float> ..F.A...... set radius (from 0 to 5) (default 1)
type <int> ..F.A...... set processing (from 0 to 1) (default freq)
time 0 ..F.A...... time domain
freq 1 ..F.A...... frequency domain
speakers <string> ..F.A...... set speaker custom positions
lfegain <float> ..F.A...... set lfe gain (from -20 to 40) (default 0)
framesize <int> ..F.A...... set frame size (from 1024 to 96000) (default 1024)
normalize <boolean> ..F.A...... normalize IRs (default true)
interpolate <boolean> ..F.A...... interpolate IRs from neighbors (default false)
minphase <boolean> ..F.A...... minphase IRs (default false)
anglestep <float> ..F.A...... set neighbor search angle step (from 0.01 to 10) (default 0.5)
radstep <float> ..F.A...... set neighbor search radius step (from 0.01 to 1) (default 0.01)
speechnorm AVOptions:
peak <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
p <double> ..F.A....T. set the peak value (from 0 to 1) (default 0.95)
expansion <double> ..F.A....T. set the max expansion factor (from 1 to 50) (default 2)
e <double> ..F.A....T. set the max expansion factor (from 1 to 50) (default 2)
compression <double> ..F.A....T. set the max compression factor (from 1 to 50) (default 2)
c <double> ..F.A....T. set the max compression factor (from 1 to 50) (default 2)
threshold <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
t <double> ..F.A....T. set the threshold value (from 0 to 1) (default 0)
raise <double> ..F.A....T. set the expansion raising amount (from 0 to 1) (default 0.001)
r <double> ..F.A....T. set the expansion raising amount (from 0 to 1) (default 0.001)
fall <double> ..F.A....T. set the compression raising amount (from 0 to 1) (default 0.001)
f <double> ..F.A....T. set the compression raising amount (from 0 to 1) (default 0.001)
channels <string> ..F.A....T. set channels to filter (default "all")
h <string> ..F.A....T. set channels to filter (default "all")
invert <boolean> ..F.A....T. set inverted filtering (default false)
i <boolean> ..F.A....T. set inverted filtering (default false)
link <boolean> ..F.A....T. set linked channels filtering (default false)
l <boolean> ..F.A....T. set linked channels filtering (default false)
stereotools AVOptions:
level_in <double> ..F.A....T. set level in (from 0.015625 to 64) (default 1)
level_out <double> ..F.A....T. set level out (from 0.015625 to 64) (default 1)
balance_in <double> ..F.A....T. set balance in (from -1 to 1) (default 0)
balance_out <double> ..F.A....T. set balance out (from -1 to 1) (default 0)
softclip <boolean> ..F.A....T. enable softclip (default false)
mutel <boolean> ..F.A....T. mute L (default false)
muter <boolean> ..F.A....T. mute R (default false)
phasel <boolean> ..F.A....T. phase L (default false)
phaser <boolean> ..F.A....T. phase R (default false)
mode <int> ..F.A....T. set stereo mode (from 0 to 10) (default lr>lr)
lr>lr 0 ..F.A....T.
lr>ms 1 ..F.A....T.
ms>lr 2 ..F.A....T.
lr>ll 3 ..F.A....T.
lr>rr 4 ..F.A....T.
lr>l+r 5 ..F.A....T.
lr>rl 6 ..F.A....T.
ms>ll 7 ..F.A....T.
ms>rr 8 ..F.A....T.
ms>rl 9 ..F.A....T.
lr>l-r 10 ..F.A....T.
slev <double> ..F.A....T. set side level (from 0.015625 to 64) (default 1)
sbal <double> ..F.A....T. set side balance (from -1 to 1) (default 0)
mlev <double> ..F.A....T. set middle level (from 0.015625 to 64) (default 1)
mpan <double> ..F.A....T. set middle pan (from -1 to 1) (default 0)
base <double> ..F.A....T. set stereo base (from -1 to 1) (default 0)
delay <double> ..F.A....T. set delay (from -20 to 20) (default 0)
sclevel <double> ..F.A....T. set S/C level (from 1 to 100) (default 1)
phase <double> ..F.A....T. set stereo phase (from 0 to 360) (default 0)
bmode_in <int> ..F.A....T. set balance in mode (from 0 to 2) (default balance)
balance 0 ..F.A....T.
amplitude 1 ..F.A....T.
power 2 ..F.A....T.
bmode_out <int> ..F.A....T. set balance out mode (from 0 to 2) (default balance)
balance 0 ..F.A....T.
amplitude 1 ..F.A....T.
power 2 ..F.A....T.
stereowiden AVOptions:
delay <float> ..F.A...... set delay time (from 1 to 100) (default 20)
feedback <float> ..F.A....T. set feedback gain (from 0 to 0.9) (default 0.3)
crossfeed <float> ..F.A....T. set cross feed (from 0 to 0.8) (default 0.3)
drymix <float> ..F.A....T. set dry-mix (from 0 to 1) (default 0.8)
superequalizer AVOptions:
1b <float> ..F.A...... set 65Hz band gain (from 0 to 20) (default 1)
2b <float> ..F.A...... set 92Hz band gain (from 0 to 20) (default 1)
3b <float> ..F.A...... set 131Hz band gain (from 0 to 20) (default 1)
4b <float> ..F.A...... set 185Hz band gain (from 0 to 20) (default 1)
5b <float> ..F.A...... set 262Hz band gain (from 0 to 20) (default 1)
6b <float> ..F.A...... set 370Hz band gain (from 0 to 20) (default 1)
7b <float> ..F.A...... set 523Hz band gain (from 0 to 20) (default 1)
8b <float> ..F.A...... set 740Hz band gain (from 0 to 20) (default 1)
9b <float> ..F.A...... set 1047Hz band gain (from 0 to 20) (default 1)
10b <float> ..F.A...... set 1480Hz band gain (from 0 to 20) (default 1)
11b <float> ..F.A...... set 2093Hz band gain (from 0 to 20) (default 1)
12b <float> ..F.A...... set 2960Hz band gain (from 0 to 20) (default 1)
13b <float> ..F.A...... set 4186Hz band gain (from 0 to 20) (default 1)
14b <float> ..F.A...... set 5920Hz band gain (from 0 to 20) (default 1)
15b <float> ..F.A...... set 8372Hz band gain (from 0 to 20) (default 1)
16b <float> ..F.A...... set 11840Hz band gain (from 0 to 20) (default 1)
17b <float> ..F.A...... set 16744Hz band gain (from 0 to 20) (default 1)
18b <float> ..F.A...... set 20000Hz band gain (from 0 to 20) (default 1)
surround AVOptions:
chl_out <string> ..F.A...... set output channel layout (default "5.1")
chl_in <string> ..F.A...... set input channel layout (default "stereo")
level_in <float> ..F.A...... set input level (from 0 to 10) (default 1)
level_out <float> ..F.A...... set output level (from 0 to 10) (default 1)
lfe <boolean> ..F.A...... output LFE (default true)
lfe_low <int> ..F.A...... LFE low cut off (from 0 to 256) (default 128)
lfe_high <int> ..F.A...... LFE high cut off (from 0 to 512) (default 256)
lfe_mode <int> ..F.A...... set LFE channel mode (from 0 to 1) (default add)
add 0 ..F.A...... just add LFE channel
sub 1 ..F.A...... substract LFE channel with others
angle <float> ..F.A...... set soundfield transform angle (from 0 to 360) (default 90)
fc_in <float> ..F.A...... set front center channel input level (from 0 to 10) (default 1)
fc_out <float> ..F.A...... set front center channel output level (from 0 to 10) (default 1)
fl_in <float> ..F.A...... set front left channel input level (from 0 to 10) (default 1)
fl_out <float> ..F.A...... set front left channel output level (from 0 to 10) (default 1)
fr_in <float> ..F.A...... set front right channel input level (from 0 to 10) (default 1)
fr_out <float> ..F.A...... set front right channel output level (from 0 to 10) (default 1)
sl_in <float> ..F.A...... set side left channel input level (from 0 to 10) (default 1)
sl_out <float> ..F.A...... set side left channel output level (from 0 to 10) (default 1)
sr_in <float> ..F.A...... set side right channel input level (from 0 to 10) (default 1)
sr_out <float> ..F.A...... set side right channel output level (from 0 to 10) (default 1)
bl_in <float> ..F.A...... set back left channel input level (from 0 to 10) (default 1)
bl_out <float> ..F.A...... set back left channel output level (from 0 to 10) (default 1)
br_in <float> ..F.A...... set back right channel input level (from 0 to 10) (default 1)
br_out <float> ..F.A...... set back right channel output level (from 0 to 10) (default 1)
bc_in <float> ..F.A...... set back center channel input level (from 0 to 10) (default 1)
bc_out <float> ..F.A...... set back center channel output level (from 0 to 10) (default 1)
lfe_in <float> ..F.A...... set lfe channel input level (from 0 to 10) (default 1)
lfe_out <float> ..F.A...... set lfe channel output level (from 0 to 10) (default 1)
allx <float> ..F.A...... set all channel's x spread (from -1 to 15) (default -1)
ally <float> ..F.A...... set all channel's y spread (from -1 to 15) (default -1)
fcx <float> ..F.A...... set front center channel x spread (from 0.06 to 15) (default 0.5)
flx <float> ..F.A...... set front left channel x spread (from 0.06 to 15) (default 0.5)
frx <float> ..F.A...... set front right channel x spread (from 0.06 to 15) (default 0.5)
blx <float> ..F.A...... set back left channel x spread (from 0.06 to 15) (default 0.5)
brx <float> ..F.A...... set back right channel x spread (from 0.06 to 15) (default 0.5)
slx <float> ..F.A...... set side left channel x spread (from 0.06 to 15) (default 0.5)
srx <float> ..F.A...... set side right channel x spread (from 0.06 to 15) (default 0.5)
bcx <float> ..F.A...... set back center channel x spread (from 0.06 to 15) (default 0.5)
fcy <float> ..F.A...... set front center channel y spread (from 0.06 to 15) (default 0.5)
fly <float> ..F.A...... set front left channel y spread (from 0.06 to 15) (default 0.5)
fry <float> ..F.A...... set front right channel y spread (from 0.06 to 15) (default 0.5)
bly <float> ..F.A...... set back left channel y spread (from 0.06 to 15) (default 0.5)
bry <float> ..F.A...... set back right channel y spread (from 0.06 to 15) (default 0.5)
sly <float> ..F.A...... set side left channel y spread (from 0.06 to 15) (default 0.5)
sry <float> ..F.A...... set side right channel y spread (from 0.06 to 15) (default 0.5)
bcy <float> ..F.A...... set back center channel y spread (from 0.06 to 15) (default 0.5)
win_size <int> ..F.A...... set window size (from 1024 to 65536) (default 4096)
win_func <int> ..F.A...... set window function (from 0 to 19) (default hann)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
overlap <float> ..F.A...... set window overlap (from 0 to 1) (default 0.5)
treble/high/tiltshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
treble/high/tiltshelf AVOptions:
frequency <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
f <double> ..F.A....T. set central frequency (from 0 to 999999) (default 3000)
width_type <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
t <int> ..F.A....T. set filter-width type (from 1 to 5) (default q)
h 1 ..F.A....T. Hz
q 3 ..F.A....T. Q-Factor
o 2 ..F.A....T. octave
s 4 ..F.A....T. slope
k 5 ..F.A....T. kHz
width <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
w <double> ..F.A....T. set width (from 0 to 99999) (default 0.5)
gain <double> ..F.A....T. set gain (from -900 to 900) (default 0)
g <double> ..F.A....T. set gain (from -900 to 900) (default 0)
poles <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
p <int> ..F.A...... set number of poles (from 1 to 2) (default 2)
mix <double> ..F.A....T. set mix (from 0 to 1) (default 1)
m <double> ..F.A....T. set mix (from 0 to 1) (default 1)
channels <string> ..F.A....T. set channels to filter (default "all")
c <string> ..F.A....T. set channels to filter (default "all")
normalize <boolean> ..F.A....T. normalize coefficients (default false)
n <boolean> ..F.A....T. normalize coefficients (default false)
transform <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
a <int> ..F.A...... set transform type (from 0 to 6) (default di)
di 0 ..F.A...... direct form I
dii 1 ..F.A...... direct form II
tdi 2 ..F.A...... transposed direct form I
tdii 3 ..F.A...... transposed direct form II
latt 4 ..F.A...... lattice-ladder form
svf 5 ..F.A...... state variable filter form
zdf 6 ..F.A...... zero-delay filter form
precision <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
r <int> ..F.A...... set filtering precision (from -1 to 3) (default auto)
auto -1 ..F.A...... automatic
s16 0 ..F.A...... signed 16-bit
s32 1 ..F.A...... signed 32-bit
f32 2 ..F.A...... floating-point single
f64 3 ..F.A...... floating-point double
blocksize <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
b <int> ..F.A...... set the block size (from 0 to 32768) (default 0)
tremolo AVOptions:
f <double> ..F.A...... set frequency in hertz (from 0.1 to 20000) (default 5)
d <double> ..F.A...... set depth as percentage (from 0 to 1) (default 0.5)
vibrato AVOptions:
f <double> ..F.A...... set frequency in hertz (from 0.1 to 20000) (default 5)
d <double> ..F.A...... set depth as percentage (from 0 to 1) (default 0.5)
virtualbass AVOptions:
cutoff <double> ..F.A...... set virtual bass cutoff (from 100 to 500) (default 250)
strength <double> ..F.A....T. set virtual bass strength (from 0.5 to 3) (default 3)
volume AVOptions:
volume <string> ..F.A....T. set volume adjustment expression (default "1.0")
precision <int> ..F.A...... select mathematical precision (from 0 to 2) (default float)
fixed 0 ..F.A...... select 8-bit fixed-point
float 1 ..F.A...... select 32-bit floating-point
double 2 ..F.A...... select 64-bit floating-point
eval <int> ..F.A...... specify when to evaluate expressions (from 0 to 1) (default once)
once 0 ..F.A...... eval volume expression once
frame 1 ..F.A...... eval volume expression per-frame
replaygain <int> ..F.A...... Apply replaygain side data when present (from 0 to 3) (default drop)
drop 0 ..F.A...... replaygain side data is dropped
ignore 1 ..F.A...... replaygain side data is ignored
track 2 ..F.A...... track gain is preferred
album 3 ..F.A...... album gain is preferred
replaygain_preamp <double> ..F.A...... Apply replaygain pre-amplification (from -15 to 15) (default 0)
replaygain_noclip <boolean> ..F.A...... Apply replaygain clipping prevention (default true)
aevalsrc AVOptions:
exprs <string> ..F.A...... set the '|'-separated list of channels expressions
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
sample_rate <string> ..F.A...... set the sample rate (default "44100")
s <string> ..F.A...... set the sample rate (default "44100")
duration <duration> ..F.A...... set audio duration (default -0.000001)
d <duration> ..F.A...... set audio duration (default -0.000001)
channel_layout <string> ..F.A...... set channel layout
c <string> ..F.A...... set channel layout
afirsrc AVOptions:
taps <int> ..F.A...... set number of taps (from 9 to 65535) (default 1025)
t <int> ..F.A...... set number of taps (from 9 to 65535) (default 1025)
frequency <string> ..F.A...... set frequency points (default "0 1")
f <string> ..F.A...... set frequency points (default "0 1")
magnitude <string> ..F.A...... set magnitude values (default "1 1")
m <string> ..F.A...... set magnitude values (default "1 1")
phase <string> ..F.A...... set phase values (default "0 0")
p <string> ..F.A...... set phase values (default "0 0")
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
win_func <int> ..F.A...... set window function (from 0 to 19) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
w <int> ..F.A...... set window function (from 0 to 19) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
anoisesrc AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 15 to INT_MAX) (default 48000)
r <int> ..F.A...... set sample rate (from 15 to INT_MAX) (default 48000)
amplitude <double> ..F.A...... set amplitude (from 0 to 1) (default 1)
a <double> ..F.A...... set amplitude (from 0 to 1) (default 1)
duration <duration> ..F.A...... set duration (default 0)
d <duration> ..F.A...... set duration (default 0)
color <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
colour <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
c <int> ..F.A...... set noise color (from 0 to 5) (default white)
white 0 ..F.A......
pink 1 ..F.A......
brown 2 ..F.A......
blue 3 ..F.A......
violet 4 ..F.A......
velvet 5 ..F.A......
seed <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)
s <int64> ..F.A...... set random seed (from -1 to UINT32_MAX) (default -1)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
anullsrc AVOptions:
channel_layout <string> ..F.A...... set channel_layout (default "stereo")
cl <string> ..F.A...... set channel_layout (default "stereo")
sample_rate <string> ..F.A...... set sample rate (default "44100")
r <string> ..F.A...... set sample rate (default "44100")
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to 65535) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to 65535) (default 1024)
duration <duration> ..F.A...... set the audio duration (default -0.000001)
d <duration> ..F.A...... set the audio duration (default -0.000001)
flite AVOptions:
list_voices <boolean> ..F.A...... list voices and exit (default false)
nb_samples <int> ..F.A...... set number of samples per frame (from 0 to INT_MAX) (default 512)
n <int> ..F.A...... set number of samples per frame (from 0 to INT_MAX) (default 512)
text <string> ..F.A...... set text to speak
textfile <string> ..F.A...... set filename of the text to speak
v <string> ..F.A...... set voice (default "kal")
voice <string> ..F.A...... set voice (default "kal")
hilbert AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
taps <int> ..F.A...... set number of taps (from 11 to 65535) (default 22051)
t <int> ..F.A...... set number of taps (from 11 to 65535) (default 22051)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
win_func <int> ..F.A...... set window function (from 0 to 19) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
w <int> ..F.A...... set window function (from 0 to 19) (default blackman)
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
rect 0 ..F.A...... Rectangular
bartlett 4 ..F.A...... Bartlett
hann 1 ..F.A...... Hann
hanning 1 ..F.A...... Hanning
hamming 2 ..F.A...... Hamming
blackman 3 ..F.A...... Blackman
welch 5 ..F.A...... Welch
flattop 6 ..F.A...... Flat-top
bharris 7 ..F.A...... Blackman-Harris
bnuttall 8 ..F.A...... Blackman-Nuttall
bhann 11 ..F.A...... Bartlett-Hann
sine 9 ..F.A...... Sine
nuttall 10 ..F.A...... Nuttall
lanczos 12 ..F.A...... Lanczos
gauss 13 ..F.A...... Gauss
tukey 14 ..F.A...... Tukey
dolph 15 ..F.A...... Dolph-Chebyshev
cauchy 16 ..F.A...... Cauchy
parzen 17 ..F.A...... Parzen
poisson 18 ..F.A...... Poisson
bohman 19 ..F.A...... Bohman
sinc AVOptions:
sample_rate <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set sample rate (from 1 to INT_MAX) (default 44100)
nb_samples <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
n <int> ..F.A...... set the number of samples per requested frame (from 1 to INT_MAX) (default 1024)
hp <float> ..F.A...... set high-pass filter frequency (from 0 to INT_MAX) (default 0)
lp <float> ..F.A...... set low-pass filter frequency (from 0 to INT_MAX) (default 0)
phase <float> ..F.A...... set filter phase response (from 0 to 100) (default 50)
beta <float> ..F.A...... set kaiser window beta (from -1 to 256) (default -1)
att <float> ..F.A...... set stop-band attenuation (from 40 to 180) (default 120)
round <boolean> ..F.A...... enable rounding (default false)
hptaps <int> ..F.A...... set number of taps for high-pass filter (from 0 to 32768) (default 0)
lptaps <int> ..F.A...... set number of taps for low-pass filter (from 0 to 32768) (default 0)
sine AVOptions:
frequency <double> ..F.A...... set the sine frequency (from 0 to DBL_MAX) (default 440)
f <double> ..F.A...... set the sine frequency (from 0 to DBL_MAX) (default 440)
beep_factor <double> ..F.A...... set the beep frequency factor (from 0 to DBL_MAX) (default 0)
b <double> ..F.A...... set the beep frequency factor (from 0 to DBL_MAX) (default 0)
sample_rate <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
r <int> ..F.A...... set the sample rate (from 1 to INT_MAX) (default 44100)
duration <duration> ..F.A...... set the audio duration (default 0)
d <duration> ..F.A...... set the audio duration (default 0)
samples_per_frame <string> ..F.A...... set the number of samples per frame (default "1024")
addroi AVOptions:
x <string> ..FV....... Region distance from left edge of frame. (default "0")
y <string> ..FV....... Region distance from top edge of frame. (default "0")
w <string> ..FV....... Region width. (default "0")
h <string> ..FV....... Region height. (default "0")
qoffset <rational> ..FV....... Quantisation offset to apply in the region. (from -1 to 1) (default -1/10)
clear <boolean> ..FV....... Remove any existing regions of interest before adding the new one. (default false)
alphamerge AVOptions:
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
amplify AVOptions:
radius <int> ..FV....... set radius (from 1 to 63) (default 2)
factor <float> ..FV.....T. set factor (from 0 to 65535) (default 2)
threshold <float> ..FV.....T. set threshold (from 0 to 65535) (default 10)
tolerance <float> ..FV.....T. set tolerance (from 0 to 65535) (default 0)
low <float> ..FV.....T. set low limit for amplification (from 0 to 65535) (default 65535)
high <float> ..FV.....T. set high limit for amplification (from 0 to 65535) (default 65535)
planes <flags> ..FV.....T. set what planes to filter (default 7)
ass AVOptions:
filename <string> ..FV....... set the filename of file to read
f <string> ..FV....... set the filename of file to read
original_size <image_size> ..FV....... set the size of the original video (used to scale fonts)
fontsdir <string> ..FV....... set the directory containing the fonts to read
alpha <boolean> ..FV....... enable processing of alpha channel (default false)
shaping <int> ..FV....... set shaping engine (from -1 to 1) (default auto)
auto -1 ..FV.......
simple 0 ..FV....... simple shaping
complex 1 ..FV....... complex shaping
atadenoise AVOptions:
0a <float> ..FV.....T. set threshold A for 1st plane (from 0 to 0.3) (default 0.02)
0b <float> ..FV.....T. set threshold B for 1st plane (from 0 to 5) (default 0.04)
1a <float> ..FV.....T. set threshold A for 2nd plane (from 0 to 0.3) (default 0.02)
1b <float> ..FV.....T. set threshold B for 2nd plane (from 0 to 5) (default 0.04)
2a <float> ..FV.....T. set threshold A for 3rd plane (from 0 to 0.3) (default 0.02)
2b <float> ..FV.....T. set threshold B for 3rd plane (from 0 to 5) (default 0.04)
s <int> ..FV....... set how many frames to use (from 5 to 129) (default 9)
p <flags> ..FV.....T. set what planes to filter (default 7)
a <int> ..FV.....T. set variant of algorithm (from 0 to 1) (default p)
p 0 ..FV.....T. parallel
s 1 ..FV.....T. serial
0s <float> ..FV.....T. set sigma for 1st plane (from 0 to 32767) (default 32767)
1s <float> ..FV.....T. set sigma for 2nd plane (from 0 to 32767) (default 32767)
2s <float> ..FV.....T. set sigma for 3rd plane (from 0 to 32767) (default 32767)
avgblur AVOptions:
sizeX <int> ..FV.....T. set horizontal size (from 1 to 1024) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
sizeY <int> ..FV.....T. set vertical size (from 0 to 1024) (default 0)
avgblur_opencl AVOptions:
sizeX <int> ..FV....... set horizontal size (from 1 to 1024) (default 1)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 15)
sizeY <int> ..FV....... set vertical size (from 0 to 1024) (default 0)
avgblur_vulkan AVOptions:
sizeX <int> ..FV....... Set horizontal radius (from 1 to 32) (default 3)
planes <int> ..FV....... Set planes to filter (bitmask) (from 0 to 15) (default 15)
sizeY <int> ..FV....... Set vertical radius (from 1 to 32) (default 3)
bbox AVOptions:
min_val <int> ..FV.....T. set minimum luminance value for bounding box (from 0 to 65535) (default 16)
bench AVOptions:
action <int> ..FV....... set action (from 0 to 1) (default start)
start 0 ..FV....... start timer
stop 1 ..FV....... stop timer
bilateral AVOptions:
sigmaS <float> ..FV.....T. set spatial sigma (from 0 to 512) (default 0.1)
sigmaR <float> ..FV.....T. set range sigma (from 0 to 1) (default 0.1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)
bitplanenoise AVOptions:
bitplane <int> ..FV....... set bit plane to use for measuring noise (from 1 to 16) (default 1)
filter <boolean> ..FV....... show noisy pixels (default false)
blackdetect AVOptions:
d <double> ..FV....... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
black_min_duration <double> ..FV....... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
picture_black_ratio_th <double> ..FV....... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pic_th <double> ..FV....... set the picture black ratio threshold (from 0 to 1) (default 0.98)
pixel_black_th <double> ..FV....... set the pixel black threshold (from 0 to 1) (default 0.1)
pix_th <double> ..FV....... set the pixel black threshold (from 0 to 1) (default 0.1)
blackframe AVOptions:
amount <int> ..FV....... percentage of the pixels that have to be below the threshold for the frame to be considered black (from 0 to 100) (default 98)
threshold <int> ..FV....... threshold below which a pixel value is considered black (from 0 to 255) (default 32)
thresh <int> ..FV....... threshold below which a pixel value is considered black (from 0 to 255) (default 32)
blend AVOptions:
c0_mode <int> ..FV.....T. set component #0 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c1_mode <int> ..FV.....T. set component #1 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c2_mode <int> ..FV.....T. set component #2 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c3_mode <int> ..FV.....T. set component #3 blend mode (from 0 to 39) (default normal)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
all_mode <int> ..FV.....T. set blend mode for all components (from -1 to 39) (default -1)
addition 1 ..FV.....T.
addition128 28 ..FV.....T.
grainmerge 28 ..FV.....T.
and 2 ..FV.....T.
average 3 ..FV.....T.
burn 4 ..FV.....T.
darken 5 ..FV.....T.
difference 6 ..FV.....T.
difference128 7 ..FV.....T.
grainextract 7 ..FV.....T.
divide 8 ..FV.....T.
dodge 9 ..FV.....T.
exclusion 10 ..FV.....T.
extremity 32 ..FV.....T.
freeze 31 ..FV.....T.
glow 27 ..FV.....T.
hardlight 11 ..FV.....T.
hardmix 25 ..FV.....T.
heat 30 ..FV.....T.
lighten 12 ..FV.....T.
linearlight 26 ..FV.....T.
multiply 13 ..FV.....T.
multiply128 29 ..FV.....T.
negation 14 ..FV.....T.
normal 0 ..FV.....T.
or 15 ..FV.....T.
overlay 16 ..FV.....T.
phoenix 17 ..FV.....T.
pinlight 18 ..FV.....T.
reflect 19 ..FV.....T.
screen 20 ..FV.....T.
softlight 21 ..FV.....T.
subtract 22 ..FV.....T.
vividlight 23 ..FV.....T.
xor 24 ..FV.....T.
softdifference 33 ..FV.....T.
geometric 34 ..FV.....T.
harmonic 35 ..FV.....T.
bleach 36 ..FV.....T.
stain 37 ..FV.....T.
interpolate 38 ..FV.....T.
hardoverlay 39 ..FV.....T.
c0_expr <string> ..FV.....T. set color component #0 expression
c1_expr <string> ..FV.....T. set color component #1 expression
c2_expr <string> ..FV.....T. set color component #2 expression
c3_expr <string> ..FV.....T. set color component #3 expression
all_expr <string> ..FV.....T. set expression for all color components
c0_opacity <double> ..FV.....T. set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV.....T. set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV.....T. set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV.....T. set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV.....T. set opacity for all color components (from 0 to 1) (default 1)
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
blend_vulkan AVOptions:
c0_mode <int> ..FV....... set component #0 blend mode (from 0 to 39) (default normal)
normal 0 ..FV.......
multiply 13 ..FV.......
c1_mode <int> ..FV....... set component #1 blend mode (from 0 to 39) (default normal)
normal 0 ..FV.......
multiply 13 ..FV.......
c2_mode <int> ..FV....... set component #2 blend mode (from 0 to 39) (default normal)
normal 0 ..FV.......
multiply 13 ..FV.......
c3_mode <int> ..FV....... set component #3 blend mode (from 0 to 39) (default normal)
normal 0 ..FV.......
multiply 13 ..FV.......
all_mode <int> ..FV....... set blend mode for all components (from -1 to 39) (default -1)
normal 0 ..FV.......
multiply 13 ..FV.......
c0_opacity <double> ..FV....... set color component #0 opacity (from 0 to 1) (default 1)
c1_opacity <double> ..FV....... set color component #1 opacity (from 0 to 1) (default 1)
c2_opacity <double> ..FV....... set color component #2 opacity (from 0 to 1) (default 1)
c3_opacity <double> ..FV....... set color component #3 opacity (from 0 to 1) (default 1)
all_opacity <double> ..FV....... set opacity for all color components (from 0 to 1) (default 1)
blockdetect AVOptions:
period_min <int> ..FV....... Minimum period to search for (from 2 to 32) (default 3)
period_max <int> ..FV....... Maximum period to search for (from 2 to 64) (default 24)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 1)
blurdetect AVOptions:
high <float> ..FV....... set high threshold (from 0 to 1) (default 0.117647)
low <float> ..FV....... set low threshold (from 0 to 1) (default 0.0588235)
radius <int> ..FV....... search radius for maxima detection (from 1 to 100) (default 50)
block_pct <int> ..FV....... block pooling threshold when calculating blurriness (from 1 to 100) (default 80)
block_width <int> ..FV....... block size for block-based abbreviation of blurriness (from -1 to INT_MAX) (default -1)
block_height <int> ..FV....... block size for block-based abbreviation of blurriness (from -1 to INT_MAX) (default -1)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 1)
bm3d AVOptions:
sigma <float> ..FV....... set denoising strength (from 0 to 99999.9) (default 1)
block <int> ..FV....... set log2(size) of local patch (from 4 to 6) (default 4)
bstep <int> ..FV....... set sliding step for processing blocks (from 1 to 64) (default 4)
group <int> ..FV....... set maximal number of similar blocks (from 1 to 256) (default 1)
range <int> ..FV....... set block matching range (from 1 to INT_MAX) (default 9)
mstep <int> ..FV....... set step for block matching (from 1 to 64) (default 1)
thmse <float> ..FV....... set threshold of mean square error for block matching (from 0 to INT_MAX) (default 0)
hdthr <float> ..FV....... set hard threshold for 3D transfer domain (from 0 to INT_MAX) (default 2.7)
estim <int> ..FV....... set filtering estimation mode (from 0 to 1) (default basic)
basic 0 ..FV....... basic estimate
final 1 ..FV....... final estimate
ref <boolean> ..FV....... have reference stream (default false)
planes <int> ..FV....... set planes to filter (from 0 to 15) (default 7)
boxblur AVOptions:
luma_radius <string> ..FV....... Radius of the luma blurring box (default "2")
lr <string> ..FV....... Radius of the luma blurring box (default "2")
luma_power <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
lp <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
chroma_radius <string> ..FV....... Radius of the chroma blurring box
cr <string> ..FV....... Radius of the chroma blurring box
chroma_power <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
cp <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
alpha_radius <string> ..FV....... Radius of the alpha blurring box
ar <string> ..FV....... Radius of the alpha blurring box
alpha_power <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
ap <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
boxblur_opencl AVOptions:
luma_radius <string> ..FV....... Radius of the luma blurring box (default "2")
lr <string> ..FV....... Radius of the luma blurring box (default "2")
luma_power <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
lp <int> ..FV....... How many times should the boxblur be applied to luma (from 0 to INT_MAX) (default 2)
chroma_radius <string> ..FV....... Radius of the chroma blurring box
cr <string> ..FV....... Radius of the chroma blurring box
chroma_power <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
cp <int> ..FV....... How many times should the boxblur be applied to chroma (from -1 to INT_MAX) (default -1)
alpha_radius <string> ..FV....... Radius of the alpha blurring box
ar <string> ..FV....... Radius of the alpha blurring box
alpha_power <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
ap <int> ..FV....... How many times should the boxblur be applied to alpha (from -1 to INT_MAX) (default -1)
bwdif AVOptions:
mode <int> ..FV....... specify the interlacing mode (from 0 to 1) (default send_field)
send_frame 0 ..FV....... send one frame for each frame
send_field 1 ..FV....... send one frame for each field
parity <int> ..FV....... specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV....... assume top field first
bff 1 ..FV....... assume bottom field first
auto -1 ..FV....... auto detect parity
deint <int> ..FV....... specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV....... deinterlace all frames
interlaced 1 ..FV....... only deinterlace frames marked as interlaced
cas AVOptions:
strength <float> ..FV.....T. set the sharpening strength (from 0 to 1) (default 0)
planes <flags> ..FV.....T. set what planes to filter (default 7)
chromaber_vulkan AVOptions:
dist_x <float> ..FV....... Set horizontal distortion amount (from -10 to 10) (default 0)
dist_y <float> ..FV....... Set vertical distortion amount (from -10 to 10) (default 0)
chromahold AVOptions:
color <color> ..FV.....T. set the chromahold key color (default "black")
similarity <float> ..FV.....T. set the chromahold similarity value (from 0.01 to 1) (default 0.01)
blend <float> ..FV.....T. set the chromahold blend value (from 0 to 1) (default 0)
yuv <boolean> ..FV.....T. color parameter is in yuv instead of rgb (default false)
chromakey AVOptions:
color <color> ..FV.....T. set the chromakey key color (default "black")
similarity <float> ..FV.....T. set the chromakey similarity value (from 0.01 to 1) (default 0.01)
blend <float> ..FV.....T. set the chromakey key blend value (from 0 to 1) (default 0)
yuv <boolean> ..FV.....T. color parameter is in yuv instead of rgb (default false)
chromanr AVOptions:
thres <float> ..FV.....T. set y+u+v threshold (from 1 to 200) (default 30)
sizew <int> ..FV.....T. set horizontal size (from 1 to 100) (default 5)
sizeh <int> ..FV.....T. set vertical size (from 1 to 100) (default 5)
stepw <int> ..FV.....T. set horizontal step (from 1 to 50) (default 1)
steph <int> ..FV.....T. set vertical step (from 1 to 50) (default 1)
threy <float> ..FV.....T. set y threshold (from 1 to 200) (default 200)
threu <float> ..FV.....T. set u threshold (from 1 to 200) (default 200)
threv <float> ..FV.....T. set v threshold (from 1 to 200) (default 200)
distance <int> ..FV.....T. set distance type (from 0 to 1) (default manhattan)
manhattan 0 ..FV.....T.
euclidean 1 ..FV.....T.
chromashift AVOptions:
cbh <int> ..FV.....T. shift chroma-blue horizontally (from -255 to 255) (default 0)
cbv <int> ..FV.....T. shift chroma-blue vertically (from -255 to 255) (default 0)
crh <int> ..FV.....T. shift chroma-red horizontally (from -255 to 255) (default 0)
crv <int> ..FV.....T. shift chroma-red vertically (from -255 to 255) (default 0)
edge <int> ..FV.....T. set edge operation (from 0 to 1) (default smear)
smear 0 ..FV.....T.
wrap 1 ..FV.....T.
ciescope AVOptions:
system <int> ..FV....... set color system (from 0 to 9) (default hdtv)
ntsc 0 ..FV....... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)
470m 0 ..FV....... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)
ebu 1 ..FV....... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)
470bg 1 ..FV....... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)
smpte 2 ..FV....... SMPTE-C RGB
240m 3 ..FV....... SMPTE-240M Y'PbPr
apple 4 ..FV....... Apple RGB
widergb 5 ..FV....... Adobe Wide Gamut RGB
cie1931 6 ..FV....... CIE 1931 RGB
hdtv 7 ..FV....... ITU.BT-709 Y'CbCr
rec709 7 ..FV....... ITU.BT-709 Y'CbCr
uhdtv 8 ..FV....... ITU-R.BT-2020
rec2020 8 ..FV....... ITU-R.BT-2020
dcip3 9 ..FV....... DCI-P3
cie <int> ..FV....... set cie system (from 0 to 2) (default xyy)
xyy 0 ..FV....... CIE 1931 xyY
ucs 1 ..FV....... CIE 1960 UCS
luv 2 ..FV....... CIE 1976 Luv
gamuts <flags> ..FV....... set what gamuts to draw (default 0)
ntsc ..FV.......
470m ..FV.......
ebu ..FV.......
470bg ..FV.......
smpte ..FV.......
240m ..FV.......
apple ..FV.......
widergb ..FV.......
cie1931 ..FV.......
hdtv ..FV.......
rec709 ..FV.......
uhdtv ..FV.......
rec2020 ..FV.......
dcip3 ..FV.......
size <int> ..FV....... set ciescope size (from 256 to 8192) (default 512)
s <int> ..FV....... set ciescope size (from 256 to 8192) (default 512)
intensity <float> ..FV....... set ciescope intensity (from 0 to 1) (default 0.001)
i <float> ..FV....... set ciescope intensity (from 0 to 1) (default 0.001)
contrast <float> ..FV....... (from 0 to 1) (default 0.75)
corrgamma <boolean> ..FV....... (default true)
showwhite <boolean> ..FV....... (default false)
gamma <double> ..FV....... (from 0.1 to 6) (default 2.6)
fill <boolean> ..FV....... fill with CIE colors (default true)
codecview AVOptions:
mv <flags> ..FV....... set motion vectors to visualize (default 0)
pf ..FV....... forward predicted MVs of P-frames
bf ..FV....... forward predicted MVs of B-frames
bb ..FV....... backward predicted MVs of B-frames
qp <boolean> ..FV....... (default false)
mv_type <flags> ..FV....... set motion vectors type (default 0)
fp ..FV....... forward predicted MVs
bp ..FV....... backward predicted MVs
mvt <flags> ..FV....... set motion vectors type (default 0)
fp ..FV....... forward predicted MVs
bp ..FV....... backward predicted MVs
frame_type <flags> ..FV....... set frame types to visualize motion vectors of (default 0)
if ..FV....... I-frames
pf ..FV....... P-frames
bf ..FV....... B-frames
ft <flags> ..FV....... set frame types to visualize motion vectors of (default 0)
if ..FV....... I-frames
pf ..FV....... P-frames
bf ..FV....... B-frames
block <boolean> ..FV....... set block partitioning structure to visualize (default false)
colorbalance AVOptions:
rs <float> ..FV.....T. set red shadows (from -1 to 1) (default 0)
gs <float> ..FV.....T. set green shadows (from -1 to 1) (default 0)
bs <float> ..FV.....T. set blue shadows (from -1 to 1) (default 0)
rm <float> ..FV.....T. set red midtones (from -1 to 1) (default 0)
gm <float> ..FV.....T. set green midtones (from -1 to 1) (default 0)
bm <float> ..FV.....T. set blue midtones (from -1 to 1) (default 0)
rh <float> ..FV.....T. set red highlights (from -1 to 1) (default 0)
gh <float> ..FV.....T. set green highlights (from -1 to 1) (default 0)
bh <float> ..FV.....T. set blue highlights (from -1 to 1) (default 0)
pl <boolean> ..FV.....T. preserve lightness (default false)
colorchannelmixer AVOptions:
rr <double> ..FV.....T. set the red gain for the red channel (from -2 to 2) (default 1)
rg <double> ..FV.....T. set the green gain for the red channel (from -2 to 2) (default 0)
rb <double> ..FV.....T. set the blue gain for the red channel (from -2 to 2) (default 0)
ra <double> ..FV.....T. set the alpha gain for the red channel (from -2 to 2) (default 0)
gr <double> ..FV.....T. set the red gain for the green channel (from -2 to 2) (default 0)
gg <double> ..FV.....T. set the green gain for the green channel (from -2 to 2) (default 1)
gb <double> ..FV.....T. set the blue gain for the green channel (from -2 to 2) (default 0)
ga <double> ..FV.....T. set the alpha gain for the green channel (from -2 to 2) (default 0)
br <double> ..FV.....T. set the red gain for the blue channel (from -2 to 2) (default 0)
bg <double> ..FV.....T. set the green gain for the blue channel (from -2 to 2) (default 0)
bb <double> ..FV.....T. set the blue gain for the blue channel (from -2 to 2) (default 1)
ba <double> ..FV.....T. set the alpha gain for the blue channel (from -2 to 2) (default 0)
ar <double> ..FV.....T. set the red gain for the alpha channel (from -2 to 2) (default 0)
ag <double> ..FV.....T. set the green gain for the alpha channel (from -2 to 2) (default 0)
ab <double> ..FV.....T. set the blue gain for the alpha channel (from -2 to 2) (default 0)
aa <double> ..FV.....T. set the alpha gain for the alpha channel (from -2 to 2) (default 1)
pc <int> ..FV.....T. set the preserve color mode (from 0 to 6) (default none)
none 0 ..FV.....T. disabled
lum 1 ..FV.....T. luminance
max 2 ..FV.....T. max
avg 3 ..FV.....T. average
sum 4 ..FV.....T. sum
nrm 5 ..FV.....T. norm
pwr 6 ..FV.....T. power
pa <double> ..FV.....T. set the preserve color amount (from 0 to 1) (default 0)
colorcontrast AVOptions:
rc <float> ..FV.....T. set the red-cyan contrast (from -1 to 1) (default 0)
gm <float> ..FV.....T. set the green-magenta contrast (from -1 to 1) (default 0)
by <float> ..FV.....T. set the blue-yellow contrast (from -1 to 1) (default 0)
rcw <float> ..FV.....T. set the red-cyan weight (from 0 to 1) (default 0)
gmw <float> ..FV.....T. set the green-magenta weight (from 0 to 1) (default 0)
byw <float> ..FV.....T. set the blue-yellow weight (from 0 to 1) (default 0)
pl <float> ..FV.....T. set the amount of preserving lightness (from 0 to 1) (default 0)
colorcorrect AVOptions:
rl <float> ..FV.....T. set the red shadow spot (from -1 to 1) (default 0)
bl <float> ..FV.....T. set the blue shadow spot (from -1 to 1) (default 0)
rh <float> ..FV.....T. set the red highlight spot (from -1 to 1) (default 0)
bh <float> ..FV.....T. set the blue highlight spot (from -1 to 1) (default 0)
saturation <float> ..FV.....T. set the amount of saturation (from -3 to 3) (default 1)
analyze <int> ..FV.....T. set the analyze mode (from 0 to 3) (default manual)
manual 0 ..FV.....T. manually set options
average 1 ..FV.....T. use average pixels
minmax 2 ..FV.....T. use minmax pixels
median 3 ..FV.....T. use median pixels
colorize AVOptions:
hue <float> ..FV.....T. set the hue (from 0 to 360) (default 0)
saturation <float> ..FV.....T. set the saturation (from 0 to 1) (default 0.5)
lightness <float> ..FV.....T. set the lightness (from 0 to 1) (default 0.5)
mix <float> ..FV.....T. set the mix of source lightness (from 0 to 1) (default 1)
colorkey AVOptions:
color <color> ..FV.....T. set the colorkey key color (default "black")
similarity <float> ..FV.....T. set the colorkey similarity value (from 0.01 to 1) (default 0.01)
blend <float> ..FV.....T. set the colorkey key blend value (from 0 to 1) (default 0)
colorkey_opencl AVOptions:
color <color> ..FV....... set the colorkey key color (default "black")
similarity <float> ..FV....... set the colorkey similarity value (from 0.01 to 1) (default 0.01)
blend <float> ..FV....... set the colorkey key blend value (from 0 to 1) (default 0)
colorhold AVOptions:
color <color> ..FV.....T. set the colorhold key color (default "black")
similarity <float> ..FV.....T. set the colorhold similarity value (from 0.01 to 1) (default 0.01)
blend <float> ..FV.....T. set the colorhold blend value (from 0 to 1) (default 0)
colorlevels AVOptions:
rimin <double> ..FV.....T. set input red black point (from -1 to 1) (default 0)
gimin <double> ..FV.....T. set input green black point (from -1 to 1) (default 0)
bimin <double> ..FV.....T. set input blue black point (from -1 to 1) (default 0)
aimin <double> ..FV.....T. set input alpha black point (from -1 to 1) (default 0)
rimax <double> ..FV.....T. set input red white point (from -1 to 1) (default 1)
gimax <double> ..FV.....T. set input green white point (from -1 to 1) (default 1)
bimax <double> ..FV.....T. set input blue white point (from -1 to 1) (default 1)
aimax <double> ..FV.....T. set input alpha white point (from -1 to 1) (default 1)
romin <double> ..FV.....T. set output red black point (from 0 to 1) (default 0)
gomin <double> ..FV.....T. set output green black point (from 0 to 1) (default 0)
bomin <double> ..FV.....T. set output blue black point (from 0 to 1) (default 0)
aomin <double> ..FV.....T. set output alpha black point (from 0 to 1) (default 0)
romax <double> ..FV.....T. set output red white point (from 0 to 1) (default 1)
gomax <double> ..FV.....T. set output green white point (from 0 to 1) (default 1)
bomax <double> ..FV.....T. set output blue white point (from 0 to 1) (default 1)
aomax <double> ..FV.....T. set output alpha white point (from 0 to 1) (default 1)
preserve <int> ..FV.....T. set preserve color mode (from 0 to 6) (default none)
none 0 ..FV.....T. disabled
lum 1 ..FV.....T. luminance
max 2 ..FV.....T. max
avg 3 ..FV.....T. average
sum 4 ..FV.....T. sum
nrm 5 ..FV.....T. norm
pwr 6 ..FV.....T. power
colormap AVOptions:
patch_size <image_size> ..FV.....T. set patch size (default "64x64")
nb_patches <int> ..FV.....T. set number of patches (from 0 to 64) (default 0)
type <int> ..FV.....T. set the target type used (from 0 to 1) (default absolute)
relative 0 ..FV.....T. the target colors are relative
absolute 1 ..FV.....T. the target colors are absolute
kernel <int> ..FV.....T. set the kernel used for measuring color difference (from 0 to 1) (default euclidean)
euclidean 0 ..FV.....T. square root of sum of squared differences
weuclidean 1 ..FV.....T. weighted square root of sum of squared differences
colormatrix AVOptions:
src <int> ..FV....... set source color matrix (from -1 to 4) (default -1)
bt709 0 ..FV....... set BT.709 colorspace
fcc 1 ..FV....... set FCC colorspace
bt601 2 ..FV....... set BT.601 colorspace
bt470 2 ..FV....... set BT.470 colorspace
bt470bg 2 ..FV....... set BT.470 colorspace
smpte170m 2 ..FV....... set SMTPE-170M colorspace
smpte240m 3 ..FV....... set SMPTE-240M colorspace
bt2020 4 ..FV....... set BT.2020 colorspace
dst <int> ..FV....... set destination color matrix (from -1 to 4) (default -1)
bt709 0 ..FV....... set BT.709 colorspace
fcc 1 ..FV....... set FCC colorspace
bt601 2 ..FV....... set BT.601 colorspace
bt470 2 ..FV....... set BT.470 colorspace
bt470bg 2 ..FV....... set BT.470 colorspace
smpte170m 2 ..FV....... set SMTPE-170M colorspace
smpte240m 3 ..FV....... set SMPTE-240M colorspace
bt2020 4 ..FV....... set BT.2020 colorspace
colorspace AVOptions:
all <int> ..FV....... Set all color properties together (from 0 to 8) (default 0)
bt470m 1 ..FV.......
bt470bg 2 ..FV.......
bt601-6-525 3 ..FV.......
bt601-6-625 4 ..FV.......
bt709 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt2020 8 ..FV.......
space <int> ..FV....... Output colorspace (from 0 to 14) (default 2)
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
gbr 0 ..FV.......
bt2020nc 9 ..FV.......
bt2020ncl 9 ..FV.......
range <int> ..FV....... Output color range (from 0 to 2) (default 0)
tv 1 ..FV.......
mpeg 1 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......
primaries <int> ..FV....... Output color primaries (from 0 to 22) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
smpte428 10 ..FV.......
film 8 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
bt2020 9 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
trc <int> ..FV....... Output transfer characteristics (from 0 to 18) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
gamma22 4 ..FV.......
bt470bg 5 ..FV.......
gamma28 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
linear 8 ..FV.......
srgb 13 ..FV.......
iec61966-2-1 13 ..FV.......
xvycc 11 ..FV.......
iec61966-2-4 11 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
format <int> ..FV....... Output pixel format (from -1 to 162) (default -1)
yuv420p 0 ..FV.......
yuv420p10 62 ..FV.......
yuv420p12 123 ..FV.......
yuv422p 4 ..FV.......
yuv422p10 64 ..FV.......
yuv422p12 127 ..FV.......
yuv444p 5 ..FV.......
yuv444p10 68 ..FV.......
yuv444p12 131 ..FV.......
fast <boolean> ..FV....... Ignore primary chromaticity and gamma correction (default false)
dither <int> ..FV....... Dithering mode (from 0 to 1) (default none)
none 0 ..FV.......
fsb 1 ..FV.......
wpadapt <int> ..FV....... Whitepoint adaptation method (from 0 to 2) (default bradford)
bradford 0 ..FV.......
vonkries 1 ..FV.......
identity 2 ..FV.......
iall <int> ..FV....... Set all input color properties together (from 0 to 8) (default 0)
bt470m 1 ..FV.......
bt470bg 2 ..FV.......
bt601-6-525 3 ..FV.......
bt601-6-625 4 ..FV.......
bt709 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
bt2020 8 ..FV.......
ispace <int> ..FV....... Input colorspace (from 0 to 22) (default 2)
bt709 1 ..FV.......
fcc 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
ycgco 8 ..FV.......
gbr 0 ..FV.......
bt2020nc 9 ..FV.......
bt2020ncl 9 ..FV.......
irange <int> ..FV....... Input color range (from 0 to 2) (default 0)
tv 1 ..FV.......
mpeg 1 ..FV.......
pc 2 ..FV.......
jpeg 2 ..FV.......
iprimaries <int> ..FV....... Input color primaries (from 0 to 22) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
bt470bg 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
smpte428 10 ..FV.......
film 8 ..FV.......
smpte431 11 ..FV.......
smpte432 12 ..FV.......
bt2020 9 ..FV.......
jedec-p22 22 ..FV.......
ebu3213 22 ..FV.......
itrc <int> ..FV....... Input transfer characteristics (from 0 to 18) (default 2)
bt709 1 ..FV.......
bt470m 4 ..FV.......
gamma22 4 ..FV.......
bt470bg 5 ..FV.......
gamma28 5 ..FV.......
smpte170m 6 ..FV.......
smpte240m 7 ..FV.......
linear 8 ..FV.......
srgb 13 ..FV.......
iec61966-2-1 13 ..FV.......
xvycc 11 ..FV.......
iec61966-2-4 11 ..FV.......
bt2020-10 14 ..FV.......
bt2020-12 15 ..FV.......
colortemperature AVOptions:
temperature <float> ..FV.....T. set the temperature in Kelvin (from 1000 to 40000) (default 6500)
mix <float> ..FV.....T. set the mix with filtered output (from 0 to 1) (default 1)
pl <float> ..FV.....T. set the amount of preserving lightness (from 0 to 1) (default 0)
convolution AVOptions:
0m <string> ..FV.....T. set matrix for 1st plane (default "0 0 0 0 1 0 0 0 0")
1m <string> ..FV.....T. set matrix for 2nd plane (default "0 0 0 0 1 0 0 0 0")
2m <string> ..FV.....T. set matrix for 3rd plane (default "0 0 0 0 1 0 0 0 0")
3m <string> ..FV.....T. set matrix for 4th plane (default "0 0 0 0 1 0 0 0 0")
0rdiv <float> ..FV.....T. set rdiv for 1st plane (from 0 to INT_MAX) (default 0)
1rdiv <float> ..FV.....T. set rdiv for 2nd plane (from 0 to INT_MAX) (default 0)
2rdiv <float> ..FV.....T. set rdiv for 3rd plane (from 0 to INT_MAX) (default 0)
3rdiv <float> ..FV.....T. set rdiv for 4th plane (from 0 to INT_MAX) (default 0)
0bias <float> ..FV.....T. set bias for 1st plane (from 0 to INT_MAX) (default 0)
1bias <float> ..FV.....T. set bias for 2nd plane (from 0 to INT_MAX) (default 0)
2bias <float> ..FV.....T. set bias for 3rd plane (from 0 to INT_MAX) (default 0)
3bias <float> ..FV.....T. set bias for 4th plane (from 0 to INT_MAX) (default 0)
0mode <int> ..FV.....T. set matrix mode for 1st plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
1mode <int> ..FV.....T. set matrix mode for 2nd plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
2mode <int> ..FV.....T. set matrix mode for 3rd plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
3mode <int> ..FV.....T. set matrix mode for 4th plane (from 0 to 2) (default square)
square 0 ..FV.....T. square matrix
row 1 ..FV.....T. single row matrix
column 2 ..FV.....T. single column matrix
convolution_opencl AVOptions:
0m <string> ..FV....... set matrix for 2nd plane (default "0 0 0 0 1 0 0 0 0")
1m <string> ..FV....... set matrix for 2nd plane (default "0 0 0 0 1 0 0 0 0")
2m <string> ..FV....... set matrix for 3rd plane (default "0 0 0 0 1 0 0 0 0")
3m <string> ..FV....... set matrix for 4th plane (default "0 0 0 0 1 0 0 0 0")
0rdiv <float> ..FV....... set rdiv for 1nd plane (from 0 to INT_MAX) (default 1)
1rdiv <float> ..FV....... set rdiv for 2nd plane (from 0 to INT_MAX) (default 1)
2rdiv <float> ..FV....... set rdiv for 3rd plane (from 0 to INT_MAX) (default 1)
3rdiv <float> ..FV....... set rdiv for 4th plane (from 0 to INT_MAX) (default 1)
0bias <float> ..FV....... set bias for 1st plane (from 0 to INT_MAX) (default 0)
1bias <float> ..FV....... set bias for 2nd plane (from 0 to INT_MAX) (default 0)
2bias <float> ..FV....... set bias for 3rd plane (from 0 to INT_MAX) (default 0)
3bias <float> ..FV....... set bias for 4th plane (from 0 to INT_MAX) (default 0)
convolve AVOptions:
planes <int> ..FV....... set planes to convolve (from 0 to 15) (default 7)
impulse <int> ..FV....... when to process impulses (from 0 to 1) (default all)
first 0 ..FV....... process only first impulse, ignore rest
all 1 ..FV....... process all impulses
noise <float> ..FV....... set noise (from 0 to 1) (default 1e-07)
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
cover_rect AVOptions:
cover <string> ..FV....... cover bitmap filename
mode <int> ..FV....... set removal mode (from 0 to 1) (default blur)
cover 0 ..FV....... cover area with bitmap
blur 1 ..FV....... blur area
crop AVOptions:
out_w <string> ..FV.....T. set the width crop area expression (default "iw")
w <string> ..FV.....T. set the width crop area expression (default "iw")
out_h <string> ..FV.....T. set the height crop area expression (default "ih")
h <string> ..FV.....T. set the height crop area expression (default "ih")
x <string> ..FV.....T. set the x crop area expression (default "(in_w-out_w)/2")
y <string> ..FV.....T. set the y crop area expression (default "(in_h-out_h)/2")
keep_aspect <boolean> ..FV....... keep aspect ratio (default false)
exact <boolean> ..FV....... do exact cropping (default false)
cropdetect AVOptions:
limit <float> ..FV....... Threshold below which the pixel is considered black (from 0 to 65535) (default 0.0941176)
round <int> ..FV....... Value by which the width/height should be divisible (from 0 to INT_MAX) (default 16)
reset <int> ..FV....... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
skip <int> ..FV....... Number of initial frames to skip (from 0 to INT_MAX) (default 2)
reset_count <int> ..FV....... Recalculate the crop area after this many frames (from 0 to INT_MAX) (default 0)
max_outliers <int> ..FV....... Threshold count of outliers (from 0 to INT_MAX) (default 0)
(a)cue AVOptions:
cue <int64> ..FVA...... cue unix timestamp in microseconds (from 0 to I64_MAX) (default 0)
preroll <duration> ..FVA...... preroll duration in seconds (default 0)
buffer <duration> ..FVA...... buffer duration in seconds (default 0)
curves AVOptions:
preset <int> ..FV.....T. select a color curves preset (from 0 to 10) (default none)
none 0 ..FV.....T.
color_negative 1 ..FV.....T.
cross_process 2 ..FV.....T.
darker 3 ..FV.....T.
increase_contrast 4 ..FV.....T.
lighter 5 ..FV.....T.
linear_contrast 6 ..FV.....T.
medium_contrast 7 ..FV.....T.
negative 8 ..FV.....T.
strong_contrast 9 ..FV.....T.
vintage 10 ..FV.....T.
master <string> ..FV.....T. set master points coordinates
m <string> ..FV.....T. set master points coordinates
red <string> ..FV.....T. set red points coordinates
r <string> ..FV.....T. set red points coordinates
green <string> ..FV.....T. set green points coordinates
g <string> ..FV.....T. set green points coordinates
blue <string> ..FV.....T. set blue points coordinates
b <string> ..FV.....T. set blue points coordinates
all <string> ..FV.....T. set points coordinates for all components
psfile <string> ..FV.....T. set Photoshop curves file name
plot <string> ..FV.....T. save Gnuplot script of the curves in specified file
datascope AVOptions:
size <image_size> ..FV....... set output size (default "hd720")
s <image_size> ..FV....... set output size (default "hd720")
x <int> ..FV.....T. set x offset (from 0 to INT_MAX) (default 0)
y <int> ..FV.....T. set y offset (from 0 to INT_MAX) (default 0)
mode <int> ..FV.....T. set scope mode (from 0 to 2) (default mono)
mono 0 ..FV.....T.
color 1 ..FV.....T.
color2 2 ..FV.....T.
axis <boolean> ..FV.....T. draw column/row numbers (default false)
opacity <float> ..FV.....T. set background opacity (from 0 to 1) (default 0.75)
format <int> ..FV.....T. set display number format (from 0 to 1) (default hex)
hex 0 ..FV.....T.
dec 1 ..FV.....T.
components <int> ..FV.....T. set components to display (from 1 to 15) (default 15)
dblur AVOptions:
angle <float> ..FV.....T. set angle (from 0 to 360) (default 45)
radius <float> ..FV.....T. set radius (from 1 to 8192) (default 5)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
dctdnoiz AVOptions:
sigma <float> ..FV....... set noise sigma constant (from 0 to 999) (default 0)
s <float> ..FV....... set noise sigma constant (from 0 to 999) (default 0)
overlap <int> ..FV....... set number of block overlapping pixels (from -1 to 15) (default -1)
expr <string> ..FV....... set coefficient factor expression
e <string> ..FV....... set coefficient factor expression
n <int> ..FV....... set the block size, expressed in bits (from 3 to 4) (default 3)
deband AVOptions:
1thr <float> ..FV.....T. set 1st plane threshold (from 3e-05 to 0.5) (default 0.02)
2thr <float> ..FV.....T. set 2nd plane threshold (from 3e-05 to 0.5) (default 0.02)
3thr <float> ..FV.....T. set 3rd plane threshold (from 3e-05 to 0.5) (default 0.02)
4thr <float> ..FV.....T. set 4th plane threshold (from 3e-05 to 0.5) (default 0.02)
range <int> ..FV.....T. set range (from INT_MIN to INT_MAX) (default 16)
r <int> ..FV.....T. set range (from INT_MIN to INT_MAX) (default 16)
direction <float> ..FV.....T. set direction (from -6.28319 to 6.28319) (default 6.28319)
d <float> ..FV.....T. set direction (from -6.28319 to 6.28319) (default 6.28319)
blur <boolean> ..FV.....T. set blur (default true)
b <boolean> ..FV.....T. set blur (default true)
coupling <boolean> ..FV.....T. set plane coupling (default false)
c <boolean> ..FV.....T. set plane coupling (default false)
deblock AVOptions:
filter <int> ..FV.....T. set type of filter (from 0 to 1) (default strong)
weak 0 ..FV.....T.
strong 1 ..FV.....T.
block <int> ..FV.....T. set size of block (from 4 to 512) (default 8)
alpha <float> ..FV.....T. set 1st detection threshold (from 0 to 1) (default 0.098)
beta <float> ..FV.....T. set 2nd detection threshold (from 0 to 1) (default 0.05)
gamma <float> ..FV.....T. set 3rd detection threshold (from 0 to 1) (default 0.05)
delta <float> ..FV.....T. set 4th detection threshold (from 0 to 1) (default 0.05)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
decimate AVOptions:
cycle <int> ..FV....... set the number of frame from which one will be dropped (from 2 to 25) (default 5)
dupthresh <double> ..FV....... set duplicate threshold (from 0 to 100) (default 1.1)
scthresh <double> ..FV....... set scene change threshold (from 0 to 100) (default 15)
blockx <int> ..FV....... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32)
blocky <int> ..FV....... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32)
ppsrc <boolean> ..FV....... mark main input as a pre-processed input and activate clean source input stream (default false)
chroma <boolean> ..FV....... set whether or not chroma is considered in the metric calculations (default true)
deconvolve AVOptions:
planes <int> ..FV....... set planes to deconvolve (from 0 to 15) (default 7)
impulse <int> ..FV....... when to process impulses (from 0 to 1) (default all)
first 0 ..FV....... process only first impulse, ignore rest
all 1 ..FV....... process all impulses
noise <float> ..FV....... set noise (from 0 to 1) (default 1e-07)
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
dedot AVOptions:
m <flags> ..FV....... set filtering mode (default dotcrawl+rainbows)
dotcrawl ..FV.......
rainbows ..FV.......
lt <float> ..FV....... set spatial luma threshold (from 0 to 1) (default 0.079)
tl <float> ..FV....... set tolerance for temporal luma (from 0 to 1) (default 0.079)
tc <float> ..FV....... set tolerance for chroma temporal variation (from 0 to 1) (default 0.058)
ct <float> ..FV....... set temporal chroma threshold (from 0 to 1) (default 0.019)
deflate/inflate AVOptions:
threshold0 <int> ..FV.....T. set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <int> ..FV.....T. set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <int> ..FV.....T. set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <int> ..FV.....T. set threshold for 4th plane (from 0 to 65535) (default 65535)
deflicker AVOptions:
size <int> ..FV....... set how many frames to use (from 2 to 129) (default 5)
s <int> ..FV....... set how many frames to use (from 2 to 129) (default 5)
mode <int> ..FV....... set how to smooth luminance (from 0 to 6) (default am)
am 0 ..FV....... arithmetic mean
gm 1 ..FV....... geometric mean
hm 2 ..FV....... harmonic mean
qm 3 ..FV....... quadratic mean
cm 4 ..FV....... cubic mean
pm 5 ..FV....... power mean
median 6 ..FV....... median
m <int> ..FV....... set how to smooth luminance (from 0 to 6) (default am)
am 0 ..FV....... arithmetic mean
gm 1 ..FV....... geometric mean
hm 2 ..FV....... harmonic mean
qm 3 ..FV....... quadratic mean
cm 4 ..FV....... cubic mean
pm 5 ..FV....... power mean
median 6 ..FV....... median
bypass <boolean> ..FV....... leave frames unchanged (default false)
deinterlace_qsv AVOptions:
mode <int> ..FV....... set deinterlace mode (from 1 to 2) (default advanced)
bob 1 ..FV....... bob algorithm
advanced 2 ..FV....... Motion adaptive algorithm
dejudder AVOptions:
cycle <int> ..FV....... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4)
delogo AVOptions:
x <string> ..FV....... set logo x position (default "-1")
y <string> ..FV....... set logo y position (default "-1")
w <string> ..FV....... set logo width (default "-1")
h <string> ..FV....... set logo height (default "-1")
show <boolean> ..FV....... show delogo area (default false)
derain AVOptions:
filter_type <int> ..FV....... filter type(derain/dehaze) (from 0 to 1) (default derain)
derain 0 ..FV....... derain filter flag
dehaze 1 ..FV....... dehaze filter flag
dnn_backend <int> ..FV....... DNN backend (from 0 to 1) (default native)
native 0 ..FV....... native backend flag
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model (default "x")
output <string> ..FV....... output name of the model (default "y")
deshake AVOptions:
x <int> ..FV....... set x for the rectangular search area (from -1 to INT_MAX) (default -1)
y <int> ..FV....... set y for the rectangular search area (from -1 to INT_MAX) (default -1)
w <int> ..FV....... set width for the rectangular search area (from -1 to INT_MAX) (default -1)
h <int> ..FV....... set height for the rectangular search area (from -1 to INT_MAX) (default -1)
rx <int> ..FV....... set x for the rectangular search area (from 0 to 64) (default 16)
ry <int> ..FV....... set y for the rectangular search area (from 0 to 64) (default 16)
edge <int> ..FV....... set edge mode (from 0 to 3) (default mirror)
blank 0 ..FV....... fill zeroes at blank locations
original 1 ..FV....... original image at blank locations
clamp 2 ..FV....... extruded edge value at blank locations
mirror 3 ..FV....... mirrored edge at blank locations
blocksize <int> ..FV....... set motion search blocksize (from 4 to 128) (default 8)
contrast <int> ..FV....... set contrast threshold for blocks (from 1 to 255) (default 125)
search <int> ..FV....... set search strategy (from 0 to 1) (default exhaustive)
exhaustive 0 ..FV....... exhaustive search
less 1 ..FV....... less exhaustive search
filename <string> ..FV....... set motion search detailed log file name
opencl <boolean> ..FV....... ignored (default false)
deshake_opencl AVOptions:
tripod <boolean> ..FV....... simulates a tripod by preventing any camera movement whatsoever from the original frame (default false)
debug <boolean> ..FV....... turn on additional debugging information (default false)
adaptive_crop <boolean> ..FV....... attempt to subtly crop borders to reduce mirrored content (default true)
refine_features <boolean> ..FV....... refine feature point locations at a sub-pixel level (default true)
smooth_strength <float> ..FV....... smoothing strength (0 attempts to adaptively determine optimal strength) (from 0 to 1) (default 0)
smooth_window_multiplier <float> ..FV....... multiplier for number of frames to buffer for motion data (from 0.1 to 10) (default 2)
despill AVOptions:
type <int> ..FV.....T. set the screen type (from 0 to 1) (default green)
green 0 ..FV.....T. greenscreen
blue 1 ..FV.....T. bluescreen
mix <float> ..FV.....T. set the spillmap mix (from 0 to 1) (default 0.5)
expand <float> ..FV.....T. set the spillmap expand (from 0 to 1) (default 0)
red <float> ..FV.....T. set red scale (from -100 to 100) (default 0)
green <float> ..FV.....T. set green scale (from -100 to 100) (default -1)
blue <float> ..FV.....T. set blue scale (from -100 to 100) (default 0)
brightness <float> ..FV.....T. set brightness (from -10 to 10) (default 0)
alpha <boolean> ..FV.....T. change alpha component (default false)
detelecine AVOptions:
first_field <int> ..FV....... select first field (from 0 to 1) (default top)
top 0 ..FV....... select top field first
t 0 ..FV....... select top field first
bottom 1 ..FV....... select bottom field first
b 1 ..FV....... select bottom field first
pattern <string> ..FV....... pattern that describe for how many fields a frame is to be displayed (default "23")
start_frame <int> ..FV....... position of first frame with respect to the pattern if stream is cut (from 0 to 13) (default 0)
erosion/dilation AVOptions:
coordinates <int> ..FV.....T. set coordinates (from 0 to 255) (default 255)
threshold0 <int> ..FV.....T. set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <int> ..FV.....T. set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <int> ..FV.....T. set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <int> ..FV.....T. set threshold for 4th plane (from 0 to 65535) (default 65535)
dilation_opencl AVOptions:
threshold0 <float> ..FV....... set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <float> ..FV....... set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <float> ..FV....... set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <float> ..FV....... set threshold for 4th plane (from 0 to 65535) (default 65535)
coordinates <int> ..FV....... set coordinates (from 0 to 255) (default 255)
displace AVOptions:
edge <int> ..FV....... set edge mode (from 0 to 3) (default smear)
blank 0 ..FV.......
smear 1 ..FV.......
wrap 2 ..FV.......
mirror 3 ..FV.......
dnn_classify AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default 2)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)
confidence <float> ..FV....... threshold of confidence (from 0 to 1) (default 0.5)
labels <string> ..FV....... path to labels file
target <string> ..FV....... which one to be classified
dnn_detect AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default 2)
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)
confidence <float> ..FV....... threshold of confidence (from 0 to 1) (default 0.5)
labels <string> ..FV....... path to labels file
dnn_processing AVOptions:
dnn_backend <int> ..FV....... DNN backend (from INT_MIN to INT_MAX) (default native)
native 0 ..FV....... native backend flag
model <string> ..FV....... path to model file
input <string> ..FV....... input name of the model
output <string> ..FV....... output name of the model
backend_configs <string> ..FV....... backend configs
options <string> ..FV......P backend configs (deprecated, use backend_configs)
async <boolean> ..FV....... use DNN async inference (ignored, use backend_configs='async=1') (default true)
(double)weave AVOptions:
first_field <int> ..FV....... set first field (from 0 to 1) (default top)
top 0 ..FV....... set top field first
t 0 ..FV....... set top field first
bottom 1 ..FV....... set bottom field first
b 1 ..FV....... set bottom field first
drawbox AVOptions:
x <string> ..FV.....T. set horizontal position of the left box edge (default "0")
y <string> ..FV.....T. set vertical position of the top box edge (default "0")
width <string> ..FV.....T. set width of the box (default "0")
w <string> ..FV.....T. set width of the box (default "0")
height <string> ..FV.....T. set height of the box (default "0")
h <string> ..FV.....T. set height of the box (default "0")
color <string> ..FV.....T. set color of the box (default "black")
c <string> ..FV.....T. set color of the box (default "black")
thickness <string> ..FV.....T. set the box thickness (default "3")
t <string> ..FV.....T. set the box thickness (default "3")
replace <boolean> ..FV.....T. replace color & alpha (default false)
box_source <string> ..FV.....T. use datas from bounding box in side data
(a)drawgraph AVOptions:
m1 <string> ..FV....... set 1st metadata key (default "")
fg1 <string> ..FV....... set 1st foreground color expression (default "0xffff0000")
m2 <string> ..FV....... set 2nd metadata key (default "")
fg2 <string> ..FV....... set 2nd foreground color expression (default "0xff00ff00")
m3 <string> ..FV....... set 3rd metadata key (default "")
fg3 <string> ..FV....... set 3rd foreground color expression (default "0xffff00ff")
m4 <string> ..FV....... set 4th metadata key (default "")
fg4 <string> ..FV....... set 4th foreground color expression (default "0xffffff00")
bg <color> ..FV....... set background color (default "white")
min <float> ..FV....... set minimal value (from INT_MIN to INT_MAX) (default -1)
max <float> ..FV....... set maximal value (from INT_MIN to INT_MAX) (default 1)
mode <int> ..FV....... set graph mode (from 0 to 2) (default line)
bar 0 ..FV....... draw bars
dot 1 ..FV....... draw dots
line 2 ..FV....... draw lines
slide <int> ..FV....... set slide mode (from 0 to 4) (default frame)
frame 0 ..FV....... draw new frames
replace 1 ..FV....... replace old columns with new
scroll 2 ..FV....... scroll from right to left
rscroll 3 ..FV....... scroll from left to right
picture 4 ..FV....... display graph in single frame
size <image_size> ..FV....... set graph size (default "900x256")
s <image_size> ..FV....... set graph size (default "900x256")
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
drawgrid AVOptions:
x <string> ..FV.....T. set horizontal offset (default "0")
y <string> ..FV.....T. set vertical offset (default "0")
width <string> ..FV.....T. set width of grid cell (default "0")
w <string> ..FV.....T. set width of grid cell (default "0")
height <string> ..FV.....T. set height of grid cell (default "0")
h <string> ..FV.....T. set height of grid cell (default "0")
color <string> ..FV.....T. set color of the grid (default "black")
c <string> ..FV.....T. set color of the grid (default "black")
thickness <string> ..FV.....T. set grid line thickness (default "1")
t <string> ..FV.....T. set grid line thickness (default "1")
replace <boolean> ..FV.....T. replace color & alpha (default false)
drawtext AVOptions:
fontfile <string> ..FV....... set font file
text <string> ..FV....... set text
textfile <string> ..FV....... set text file
fontcolor <color> ..FV....... set foreground color (default "black")
fontcolor_expr <string> ..FV....... set foreground color expression (default "")
boxcolor <color> ..FV....... set box color (default "white")
bordercolor <color> ..FV....... set border color (default "black")
shadowcolor <color> ..FV....... set shadow color (default "black")
box <boolean> ..FV....... set box (default false)
boxborderw <int> ..FV....... set box border width (from INT_MIN to INT_MAX) (default 0)
line_spacing <int> ..FV....... set line spacing in pixels (from INT_MIN to INT_MAX) (default 0)
fontsize <string> ..FV....... set font size
x <string> ..FV....... set x expression (default "0")
y <string> ..FV....... set y expression (default "0")
shadowx <int> ..FV....... set shadow x offset (from INT_MIN to INT_MAX) (default 0)
shadowy <int> ..FV....... set shadow y offset (from INT_MIN to INT_MAX) (default 0)
borderw <int> ..FV....... set border width (from INT_MIN to INT_MAX) (default 0)
tabsize <int> ..FV....... set tab size (from 0 to INT_MAX) (default 4)
basetime <int64> ..FV....... set base time (from I64_MIN to I64_MAX) (default I64_MIN)
font <string> ..FV....... Font name (default "Sans")
expansion <int> ..FV....... set the expansion mode (from 0 to 2) (default normal)
none 0 ..FV....... set no expansion
normal 1 ..FV....... set normal expansion
strftime 2 ..FV....... set strftime expansion (deprecated)
timecode <string> ..FV....... set initial timecode
tc24hmax <boolean> ..FV....... set 24 hours max (timecode only) (default false)
timecode_rate <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
r <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
rate <rational> ..FV....... set rate (timecode only) (from 0 to INT_MAX) (default 0/1)
reload <int> ..FV....... reload text file at specified frame interval (from 0 to INT_MAX) (default 0)
alpha <string> ..FV....... apply alpha while rendering (default "1")
fix_bounds <boolean> ..FV....... check and fix text coords to avoid clipping (default false)
start_number <int> ..FV....... start frame number for n/frame_num variable (from 0 to INT_MAX) (default 0)
text_source <string> ..FV....... the source of text
text_shaping <boolean> ..FV....... attempt to shape text before drawing (default true)
ft_load_flags <flags> ..FV....... set font loading flags for libfreetype (default 0)
default ..FV.......
no_scale ..FV.......
no_hinting ..FV.......
render ..FV.......
no_bitmap ..FV.......
vertical_layout ..FV.......
force_autohint ..FV.......
crop_bitmap ..FV.......
pedantic ..FV.......
ignore_global_advance_width ..FV.......
no_recurse ..FV.......
ignore_transform ..FV.......
monochrome ..FV.......
linear_design ..FV.......
no_autohint ..FV.......
edgedetect AVOptions:
high <double> ..FV....... set high threshold (from 0 to 1) (default 0.196078)
low <double> ..FV....... set low threshold (from 0 to 1) (default 0.0784314)
mode <int> ..FV....... set mode (from 0 to 2) (default wires)
wires 0 ..FV....... white/gray wires on black
colormix 1 ..FV....... mix colors
canny 2 ..FV....... detect edges on planes
planes <flags> ..FV....... set planes to filter (default y+u+v+r+g+b)
y ..FV....... filter luma plane
u ..FV....... filter u plane
v ..FV....... filter v plane
r ..FV....... filter red plane
g ..FV....... filter green plane
b ..FV....... filter blue plane
elbg AVOptions:
codebook_length <int> ..FV....... set codebook length (from 1 to INT_MAX) (default 256)
l <int> ..FV....... set codebook length (from 1 to INT_MAX) (default 256)
nb_steps <int> ..FV....... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
n <int> ..FV....... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
seed <int64> ..FV....... set the random seed (from -1 to UINT32_MAX) (default -1)
s <int64> ..FV....... set the random seed (from -1 to UINT32_MAX) (default -1)
pal8 <boolean> ..FV....... set the pal8 output (default false)
use_alpha <boolean> ..FV....... use alpha channel for mapping (default false)
entropy AVOptions:
mode <int> ..FV....... set kind of histogram entropy measurement (from 0 to 1) (default normal)
normal 0 ..FV.......
diff 1 ..FV.......
epx AVOptions:
n <int> ..FV....... set scale factor (from 2 to 3) (default 3)
eq AVOptions:
contrast <string> ..FV.....T. set the contrast adjustment, negative values give a negative image (default "1.0")
brightness <string> ..FV.....T. set the brightness adjustment (default "0.0")
saturation <string> ..FV.....T. set the saturation adjustment (default "1.0")
gamma <string> ..FV.....T. set the initial gamma value (default "1.0")
gamma_r <string> ..FV.....T. gamma value for red (default "1.0")
gamma_g <string> ..FV.....T. gamma value for green (default "1.0")
gamma_b <string> ..FV.....T. gamma value for blue (default "1.0")
gamma_weight <string> ..FV.....T. set the gamma weight which reduces the effect of gamma on bright areas (default "1.0")
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame
erosion/dilation AVOptions:
coordinates <int> ..FV.....T. set coordinates (from 0 to 255) (default 255)
threshold0 <int> ..FV.....T. set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <int> ..FV.....T. set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <int> ..FV.....T. set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <int> ..FV.....T. set threshold for 4th plane (from 0 to 65535) (default 65535)
erosion_opencl AVOptions:
threshold0 <float> ..FV....... set threshold for 1st plane (from 0 to 65535) (default 65535)
threshold1 <float> ..FV....... set threshold for 2nd plane (from 0 to 65535) (default 65535)
threshold2 <float> ..FV....... set threshold for 3rd plane (from 0 to 65535) (default 65535)
threshold3 <float> ..FV....... set threshold for 4th plane (from 0 to 65535) (default 65535)
coordinates <int> ..FV....... set coordinates (from 0 to 255) (default 255)
estdif AVOptions:
mode <int> ..FV.....T. specify the mode (from 0 to 1) (default field)
frame 0 ..FV.....T. send one frame for each frame
field 1 ..FV.....T. send one frame for each field
parity <int> ..FV.....T. specify the assumed picture field parity (from -1 to 1) (default auto)
tff 0 ..FV.....T. assume top field first
bff 1 ..FV.....T. assume bottom field first
auto -1 ..FV.....T. auto detect parity
deint <int> ..FV.....T. specify which frames to deinterlace (from 0 to 1) (default all)
all 0 ..FV.....T. deinterlace all frames
interlaced 1 ..FV.....T. only deinterlace frames marked as interlaced
rslope <int> ..FV.....T. specify the search radius for edge slope tracing (from 1 to 15) (default 1)
redge <int> ..FV.....T. specify the search radius for best edge matching (from 0 to 15) (default 2)
ecost <float> ..FV.....T. specify the edge cost for edge matching (from 0 to 1) (default 0.03125)
mcost <float> ..FV.....T. specify the middle cost for edge matching (from 0 to 1) (default 0.5)
dcost <float> ..FV.....T. specify the distance cost for edge matching (from 0 to 1) (default 0.5)
interp <int> ..FV.....T. specify the type of interpolation (from 0 to 2) (default 4p)
2p 0 ..FV.....T. two-point interpolation
4p 1 ..FV.....T. four-point interpolation
6p 2 ..FV.....T. six-point interpolation
exposure AVOptions:
exposure <float> ..FV.....T. set the exposure correction (from -3 to 3) (default 0)
black <float> ..FV.....T. set the black level correction (from -1 to 1) (default 0)
extractplanes AVOptions:
planes <flags> ..FV....... set planes (default r)
y ..FV....... set luma plane
u ..FV....... set u plane
v ..FV....... set v plane
r ..FV....... set red plane
g ..FV....... set green plane
b ..FV....... set blue plane
a ..FV....... set alpha plane
fade AVOptions:
type <int> ..FV....... set the fade direction (from 0 to 1) (default in)
in 0 ..FV....... fade-in
out 1 ..FV....... fade-out
t <int> ..FV....... set the fade direction (from 0 to 1) (default in)
in 0 ..FV....... fade-in
out 1 ..FV....... fade-out
start_frame <int> ..FV....... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
s <int> ..FV....... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
nb_frames <int> ..FV....... Number of frames to which the effect should be applied. (from 1 to INT_MAX) (default 25)
n <int> ..FV....... Number of frames to which the effect should be applied. (from 1 to INT_MAX) (default 25)
alpha <boolean> ..FV....... fade alpha if it is available on the input (default false)
start_time <duration> ..FV....... Number of seconds of the beginning of the effect. (default 0)
st <duration> ..FV....... Number of seconds of the beginning of the effect. (default 0)
duration <duration> ..FV....... Duration of the effect in seconds. (default 0)
d <duration> ..FV....... Duration of the effect in seconds. (default 0)
color <color> ..FV....... set color (default "black")
c <color> ..FV....... set color (default "black")
feedback AVOptions:
x <int> ..FV.....T. set top left crop position (from 0 to INT_MAX) (default 0)
y <int> ..FV.....T. set top left crop position (from 0 to INT_MAX) (default 0)
w <int> ..FV....... set crop size (from 0 to INT_MAX) (default 0)
h <int> ..FV....... set crop size (from 0 to INT_MAX) (default 0)
fftdnoiz AVOptions:
sigma <float> ..FV.....T. set denoise strength (from 0 to 100) (default 1)
amount <float> ..FV.....T. set amount of denoising (from 0.01 to 1) (default 1)
block <int> ..FV....... set block size (from 8 to 256) (default 32)
overlap <float> ..FV....... set block overlap (from 0.2 to 0.8) (default 0.5)
method <int> ..FV.....T. set method of denoising (from 0 to 1) (default wiener)
wiener 0 ..FV.....T. wiener method
hard 1 ..FV.....T. hard thresholding
prev <int> ..FV....... set number of previous frames for temporal denoising (from 0 to 1) (default 0)
next <int> ..FV....... set number of next frames for temporal denoising (from 0 to 1) (default 0)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 7)
window <int> ..FV....... set window function (from 0 to 19) (default hann)
rect 0 ..FV....... Rectangular
bartlett 4 ..FV....... Bartlett
hann 1 ..FV....... Hann
hanning 1 ..FV....... Hanning
hamming 2 ..FV....... Hamming
blackman 3 ..FV....... Blackman
welch 5 ..FV....... Welch
flattop 6 ..FV....... Flat-top
bharris 7 ..FV....... Blackman-Harris
bnuttall 8 ..FV....... Blackman-Nuttall
bhann 11 ..FV....... Bartlett-Hann
sine 9 ..FV....... Sine
nuttall 10 ..FV....... Nuttall
lanczos 12 ..FV....... Lanczos
gauss 13 ..FV....... Gauss
tukey 14 ..FV....... Tukey
dolph 15 ..FV....... Dolph-Chebyshev
cauchy 16 ..FV....... Cauchy
parzen 17 ..FV....... Parzen
poisson 18 ..FV....... Poisson
bohman 19 ..FV....... Bohman
fftfilt AVOptions:
dc_Y <int> ..FV....... adjust gain in Y plane (from 0 to 1000) (default 0)
dc_U <int> ..FV....... adjust gain in U plane (from 0 to 1000) (default 0)
dc_V <int> ..FV....... adjust gain in V plane (from 0 to 1000) (default 0)
weight_Y <string> ..FV....... set luminance expression in Y plane (default "1")
weight_U <string> ..FV....... set chrominance expression in U plane
weight_V <string> ..FV....... set chrominance expression in V plane
eval <int> ..FV....... specify when to evaluate expressions (from 0 to 1) (default init)
init 0 ..FV....... eval expressions once during initialization
frame 1 ..FV....... eval expressions per-frame
field AVOptions:
type <int> ..FV....... set field type (top or bottom) (from 0 to 1) (default top)
top 0 ..FV....... select top field
bottom 1 ..FV....... select bottom field
fieldhint AVOptions:
hint <string> ..FV....... set hint file
mode <int> ..FV....... set hint mode (from 0 to 2) (default absolute)
absolute 0 ..FV.......
relative 1 ..FV.......
pattern 2 ..FV.......
fieldmatch AVOptions:
order <int> ..FV....... specify the assumed field order (from -1 to 1) (default auto)
auto -1 ..FV....... auto detect parity
bff 0 ..FV....... assume bottom field first
tff 1 ..FV....... assume top field first
mode <int> ..FV....... set the matching mode or strategy to use (from 0 to 5) (default pc_n)
pc 0 ..FV....... 2-way match (p/c)
pc_n 1 ..FV....... 2-way match + 3rd match on combed (p/c + u)
pc_u 2 ..FV....... 2-way match + 3rd match (same order) on combed (p/c + u)
pc_n_ub 3 ..FV....... 2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)
pcn 4 ..FV....... 3-way match (p/c/n)
pcn_ub 5 ..FV....... 3-way match + 4th/5th matches on combed (p/c/n + u/b)
ppsrc <boolean> ..FV....... mark main input as a pre-processed input and activate clean source input stream (default false)
field <int> ..FV....... set the field to match from (from -1 to 1) (default auto)
auto -1 ..FV....... automatic (same value as 'order')
bottom 0 ..FV....... bottom field
top 1 ..FV....... top field
mchroma <boolean> ..FV....... set whether or not chroma is included during the match comparisons (default true)
y0 <int> ..FV....... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
y1 <int> ..FV....... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
scthresh <double> ..FV....... set scene change detection threshold (from 0 to 100) (default 12)
combmatch <int> ..FV....... set combmatching mode (from 0 to 2) (default sc)
none 0 ..FV....... disable combmatching
sc 1 ..FV....... enable combmatching only on scene change
full 2 ..FV....... enable combmatching all the time
combdbg <int> ..FV....... enable comb debug (from 0 to 2) (default none)
none 0 ..FV....... no forced calculation
pcn 1 ..FV....... calculate p/c/n
pcnub 2 ..FV....... calculate p/c/n/u/b
cthresh <int> ..FV....... set the area combing threshold used for combed frame detection (from -1 to 255) (default 9)
chroma <boolean> ..FV....... set whether or not chroma is considered in the combed frame decision (default false)
blockx <int> ..FV....... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
blocky <int> ..FV....... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
combpel <int> ..FV....... set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from 0 to INT_MAX) (default 80)
fieldorder AVOptions:
order <int> ..FV....... output field order (from 0 to 1) (default tff)
bff 0 ..FV....... bottom field first
tff 1 ..FV....... top field first
fillborders AVOptions:
left <int> ..FV.....T. set the left fill border (from 0 to INT_MAX) (default 0)
right <int> ..FV.....T. set the right fill border (from 0 to INT_MAX) (default 0)
top <int> ..FV.....T. set the top fill border (from 0 to INT_MAX) (default 0)
bottom <int> ..FV.....T. set the bottom fill border (from 0 to INT_MAX) (default 0)
mode <int> ..FV.....T. set the fill borders mode (from 0 to 6) (default smear)
smear 0 ..FV.....T.
mirror 1 ..FV.....T.
fixed 2 ..FV.....T.
reflect 3 ..FV.....T.
wrap 4 ..FV.....T.
fade 5 ..FV.....T.
margins 6 ..FV.....T.
color <color> ..FV.....T. set the color for the fixed/fade mode (default "black")
find_rect AVOptions:
object <string> ..FV....... object bitmap filename
threshold <float> ..FV....... set threshold (from 0 to 1) (default 0.5)
mipmaps <int> ..FV....... set mipmaps (from 1 to 5) (default 3)
xmin <int> ..FV....... (from 0 to INT_MAX) (default 0)
ymin <int> ..FV....... (from 0 to INT_MAX) (default 0)
xmax <int> ..FV....... (from 0 to INT_MAX) (default 0)
ymax <int> ..FV....... (from 0 to INT_MAX) (default 0)
discard <boolean> ..FV....... (default false)
flip_vulkan AVOptions:
floodfill AVOptions:
x <int> ..FV....... set pixel x coordinate (from 0 to 65535) (default 0)
y <int> ..FV....... set pixel y coordinate (from 0 to 65535) (default 0)
s0 <int> ..FV....... set source #0 component value (from -1 to 65535) (default 0)
s1 <int> ..FV....... set source #1 component value (from -1 to 65535) (default 0)
s2 <int> ..FV....... set source #2 component value (from -1 to 65535) (default 0)
s3 <int> ..FV....... set source #3 component value (from -1 to 65535) (default 0)
d0 <int> ..FV....... set destination #0 component value (from 0 to 65535) (default 0)
d1 <int> ..FV....... set destination #1 component value (from 0 to 65535) (default 0)
d2 <int> ..FV....... set destination #2 component value (from 0 to 65535) (default 0)
d3 <int> ..FV....... set destination #3 component value (from 0 to 65535) (default 0)
(no)format AVOptions:
pix_fmts <string> ..FV....... A '|'-separated list of pixel formats
fps AVOptions:
fps <string> ..FV....... A string describing desired output framerate (default "25")
start_time <double> ..FV....... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
round <int> ..FV....... set rounding method for timestamps (from 0 to 5) (default near)
zero 0 ..FV....... round towards 0
inf 1 ..FV....... round away from 0
down 2 ..FV....... round towards -infty
up 3 ..FV....... round towards +infty
near 5 ..FV....... round to nearest
eof_action <int> ..FV....... action performed for last frame (from 0 to 1) (default round)
round 0 ..FV....... round similar to other frames
pass 1 ..FV....... pass through last frame
framepack AVOptions:
format <int> ..FV....... Frame pack output format (from 0 to INT_MAX) (default sbs)
sbs 1 ..FV....... Views are packed next to each other
tab 2 ..FV....... Views are packed on top of each other
frameseq 3 ..FV....... Views are one after the other
lines 6 ..FV....... Views are interleaved by lines
columns 7 ..FV....... Views are interleaved by columns
framerate AVOptions:
fps <video_rate> ..FV....... required output frames per second rate (default "50")
interp_start <int> ..FV....... point to start linear interpolation (from 0 to 255) (default 15)
interp_end <int> ..FV....... point to end linear interpolation (from 0 to 255) (default 240)
scene <double> ..FV....... scene change level (from 0 to 100) (default 8.2)
flags <flags> ..FV....... set flags (default scene_change_detect+scd)
scene_change_detect ..FV....... enable scene change detection
scd ..FV....... enable scene change detection
framestep AVOptions:
step <int> ..FV....... set frame step (from 1 to INT_MAX) (default 1)
freezedetect AVOptions:
n <double> ..FV....... set noise tolerance (from 0 to 1) (default 0.001)
noise <double> ..FV....... set noise tolerance (from 0 to 1) (default 0.001)
d <duration> ..FV....... set minimum duration in seconds (default 2)
duration <duration> ..FV....... set minimum duration in seconds (default 2)
freezeframes AVOptions:
first <int64> ..FV....... set first frame to freeze (from 0 to I64_MAX) (default 0)
last <int64> ..FV....... set last frame to freeze (from 0 to I64_MAX) (default 0)
replace <int64> ..FV....... set frame to replace (from 0 to I64_MAX) (default 0)
frei0r AVOptions:
filter_name <string> ..FV.......
filter_params <string> ..FV.....T.
fspp AVOptions:
quality <int> ..FV....... set quality (from 4 to 5) (default 4)
qp <int> ..FV....... force a constant quantizer parameter (from 0 to 64) (default 0)
strength <int> ..FV....... set filter strength (from -15 to 32) (default 0)
use_bframe_qp <boolean> ..FV....... use B-frames' QP (default false)
gblur AVOptions:
sigma <float> ..FV.....T. set sigma (from 0 to 1024) (default 0.5)
steps <int> ..FV.....T. set number of steps (from 1 to 6) (default 1)
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 15)
sigmaV <float> ..FV.....T. set vertical sigma (from -1 to 1024) (default -1)
gblur_vulkan AVOptions:
sigma <float> ..FV....... Set sigma (from 0.01 to 1024) (default 0.5)
sigmaV <float> ..FV....... Set vertical sigma (from 0 to 1024) (default 0)
planes <int> ..FV....... Set planes to filter (from 0 to 15) (default 15)
size <int> ..FV....... Set kernel size (from 1 to 127) (default 19)
sizeV <int> ..FV....... Set vertical kernel size (from 0 to 127) (default 0)
geq AVOptions:
lum_expr <string> ..FV....... set luminance expression
lum <string> ..FV....... set luminance expression
cb_expr <string> ..FV....... set chroma blue expression
cb <string> ..FV....... set chroma blue expression
cr_expr <string> ..FV....... set chroma red expression
cr <string> ..FV....... set chroma red expression
alpha_expr <string> ..FV....... set alpha expression
a <string> ..FV....... set alpha expression
red_expr <string> ..FV....... set red expression
r <string> ..FV....... set red expression
green_expr <string> ..FV....... set green expression
g <string> ..FV....... set green expression
blue_expr <string> ..FV....... set blue expression
b <string> ..FV....... set blue expression
interpolation <int> ..FV....... set interpolation method (from 0 to 1) (default bilinear)
nearest 0 ..FV....... nearest interpolation
n 0 ..FV....... nearest interpolation
bilinear 1 ..FV....... bilinear interpolation
b 1 ..FV....... bilinear interpolation
i <int> ..FV....... set interpolation method (from 0 to 1) (default bilinear)
nearest 0 ..FV....... nearest interpolation
n 0 ..FV....... nearest interpolation
bilinear 1 ..FV....... bilinear interpolation
b 1 ..FV....... bilinear interpolation
gradfun AVOptions:
strength <float> ..FV....... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2)
radius <int> ..FV....... The neighborhood to fit the gradient to. (from 4 to 32) (default 16)
(a)graphmonitor AVOptions:
size <image_size> ..FV....... set monitor size (default "hd720")
s <image_size> ..FV....... set monitor size (default "hd720")
opacity <float> ..FV....... set video opacity (from 0 to 1) (default 0.9)
o <float> ..FV....... set video opacity (from 0 to 1) (default 0.9)
mode <int> ..FV....... set mode (from 0 to 1) (default full)
full 0 ..FV.......
compact 1 ..FV.......
m <int> ..FV....... set mode (from 0 to 1) (default full)
full 0 ..FV.......
compact 1 ..FV.......
flags <flags> ..FV....... set flags (default queue)
queue ..FV.......
frame_count_in ..FV.......
frame_count_out ..FV.......
frame_count_delta ..FV.......
pts ..FV.......
pts_delta ..FV.......
time ..FV.......
time_delta ..FV.......
timebase ..FV.......
format ..FV.......
size ..FV.......
rate ..FV.......
eof ..FV.......
sample_count_in ..FV.......
sample_count_out ..FV.......
sample_count_delta ..FV.......
f <flags> ..FV....... set flags (default queue)
queue ..FV.......
frame_count_in ..FV.......
frame_count_out ..FV.......
frame_count_delta ..FV.......
pts ..FV.......
pts_delta ..FV.......
time ..FV.......
time_delta ..FV.......
timebase ..FV.......
format ..FV.......
size ..FV.......
rate ..FV.......
eof ..FV.......
sample_count_in ..FV.......
sample_count_out ..FV.......
sample_count_delta ..FV.......
rate <video_rate> ..FV....... set video rate (default "25")
r <video_rate> ..FV....... set video rate (default "25")
grayworld AVOptions:
greyedge AVOptions:
difford <int> ..FV....... set differentiation order (from 0 to 2) (default 1)
minknorm <int> ..FV....... set Minkowski norm (from 0 to 20) (default 1)
sigma <double> ..FV....... set sigma (from 0 to 1024) (default 1)
guided AVOptions:
radius <int> ..FV.....T. set the box radius (from 1 to 20) (default 3)
eps <float> ..FV.....T. set the regularization parameter (with square) (from 0 to 1) (default 0.01)
mode <int> ..FV.....T. set filtering mode (0: basic mode; 1: fast mode) (from 0 to 1) (default basic)
basic 0 ..FV.....T. basic guided filter
fast 1 ..FV.....T. fast guided filter
sub <int> ..FV.....T. subsampling ratio for fast mode (from 2 to 64) (default 4)
guidance <int> ..FV....... set guidance mode (0: off mode; 1: on mode) (from 0 to 1) (default off)
off 0 ..FV....... only one input is enabled
on 1 ..FV....... two inputs are required
planes <int> ..FV.....T. set planes to filter (from 0 to 15) (default 1)
haldclut AVOptions:
clut <int> ..FV.....T. when to process CLUT (from 0 to 1) (default all)
first 0 ..FV.....T. process only first CLUT, ignore rest
all 1 ..FV.....T. process all CLUTs
interp <int> ..FV.....T. select interpolation mode (from 0 to 4) (default tetrahedral)
nearest 0 ..FV.....T. use values from the nearest defined points
trilinear 1 ..FV.....T. interpolate values using the 8 points defining a cube
tetrahedral 2 ..FV.....T. interpolate values using a tetrahedron
pyramid 3 ..FV.....T. interpolate values using a pyramid
prism 4 ..FV.....T. interpolate values using a prism
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
hflip AVOptions:
hflip_vulkan AVOptions:
histeq AVOptions:
strength <float> ..FV....... set the strength (from 0 to 1) (default 0.2)
intensity <float> ..FV....... set the intensity (from 0 to 1) (default 0.21)
antibanding <int> ..FV....... set the antibanding level (from 0 to 2) (default none)
none 0 ..FV....... apply no antibanding
weak 1 ..FV....... apply weak antibanding
strong 2 ..FV....... apply strong antibanding
histogram AVOptions:
level_height <int> ..FV....... set level height (from 50 to 2048) (default 200)
scale_height <int> ..FV....... set scale height (from 0 to 40) (default 12)
display_mode <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
d <int> ..FV....... set display mode (from 0 to 2) (default stack)
overlay 0 ..FV.......
parade 1 ..FV.......
stack 2 ..FV.......
levels_mode <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
m <int> ..FV....... set levels mode (from 0 to 1) (default linear)
linear 0 ..FV.......
logarithmic 1 ..FV.......
components <int> ..FV....... set color components to display (from 1 to 15) (default 7)
c <int> ..FV....... set color components to display (from 1 to 15) (default 7)
fgopacity <float> ..FV....... set foreground opacity (from 0 to 1) (default 0.7)
f <float> ..FV....... set foreground opacity (from 0 to 1) (default 0.7)
bgopacity <float> ..FV....... set background opacity (from 0 to 1) (default 0.5)
b <float> ..FV....... set background opacity (from 0 to 1) (default 0.5)
colors_mode <int> ..FV....... set colors mode (from 0 to 9) (default whiteonblack)
whiteonblack 0 ..FV.......
blackonwhite 1 ..FV.......
whiteongray 2 ..FV.......
blackongray 3 ..FV.......
coloronblack 4 ..FV.......
coloronwhite 5 ..FV.......
colorongray 6 ..FV.......
blackoncolor 7 ..FV.......
whiteoncolor 8 ..FV.......
grayoncolor 9 ..FV.......
l <int> ..FV....... set colors mode (from 0 to 9) (default whiteonblack)
whiteonblack 0 ..FV.......
blackonwhite 1 ..FV.......
whiteongray 2 ..FV.......
blackongray 3 ..FV.......
coloronblack 4 ..FV.......
coloronwhite 5 ..FV.......
colorongray 6 ..FV.......
blackoncolor 7 ..FV.......
whiteoncolor 8 ..FV.......
grayoncolor 9 ..FV.......
hqdn3d AVOptions:
luma_spatial <double> ..FV.....T. spatial luma strength (from 0 to DBL_MAX) (default 0)
chroma_spatial <double> ..FV.....T. spatial chroma strength (from 0 to DBL_MAX) (default 0)
luma_tmp <double> ..FV.....T. temporal luma strength (from 0 to DBL_MAX) (default 0)
chroma_tmp <double> ..FV.....T. temporal chroma strength (from 0 to DBL_MAX) (default 0)
hqx AVOptions:
n <int> ..FV....... set scale factor (from 2 to 4) (default 3)
(h|v)stack AVOptions:
inputs <int> ..FV....... set number of inputs (from 2 to INT_MAX) (default 2)
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
hsvhold AVOptions:
hue <float> ..FV.....T. set the hue value (from -360 to 360) (default 0)
sat <float> ..FV.....T. set the saturation value (from -1 to 1) (default 0)
val <float> ..FV.....T. set the value value (from -1 to 1) (default 0)
similarity <float> ..FV.....T. set the hsvhold similarity value (from 1e-05 to 1) (default 0.01)
blend <float> ..FV.....T. set the hsvhold blend value (from 0 to 1) (default 0)
hsvkey AVOptions:
hue <float> ..FV.....T. set the hue value (from -360 to 360) (default 0)
sat <float> ..FV.....T. set the saturation value (from -1 to 1) (default 0)
val <float> ..FV.....T. set the value value (from -1 to 1) (default 0)
similarity <float> ..FV.....T. set the hsvkey similarity value (from 1e-05 to 1) (default 0.01)
blend <float> ..FV.....T. set the hsvkey blend value (from 0 to 1) (default 0)
hue AVOptions:
h <string> ..FV.....T. set the hue angle degrees expression
s <string> ..FV.....T. set the saturation expression (default "1")
H <string> ..FV.....T. set the hue angle radians expression
b <string> ..FV.....T. set the brightness expression (default "0")
huesaturation AVOptions:
hue <float> ..FV.....T. set the hue shift (from -180 to 180) (default 0)
saturation <float> ..FV.....T. set the saturation shift (from -1 to 1) (default 0)
intensity <float> ..FV.....T. set the intensity shift (from -1 to 1) (default 0)
colors <flags> ..FV.....T. set colors range (default r+y+g+c+b+m+a)
r ..FV.....T. set reds
y ..FV.....T. set yellows
g ..FV.....T. set greens
c ..FV.....T. set cyans
b ..FV.....T. set blues
m ..FV.....T. set magentas
a ..FV.....T. set all colors
strength <float> ..FV.....T. set the filtering strength (from 0 to 100) (default 1)
rw <float> ..FV.....T. set the red weight (from 0 to 1) (default 0.333)
gw <float> ..FV.....T. set the green weight (from 0 to 1) (default 0.334)
bw <float> ..FV.....T. set the blue weight (from 0 to 1) (default 0.333)
lightness <boolean> ..FV.....T. set the preserve lightness (default false)
hwmap AVOptions:
mode <flags> ..FV....... Frame mapping mode (default read+write)
read ..FV....... Mapping should be readable
write ..FV....... Mapping should be writeable
overwrite ..FV....... Mapping will always overwrite the entire frame
direct ..FV....... Mapping should not involve any copying
derive_device <string> ..FV....... Derive a new device of this type
reverse <int> ..FV....... Map in reverse (create and allocate in the sink) (from 0 to 1) (default 0)
hwupload AVOptions:
derive_device <string> ..FV....... Derive a new device of this type
cudaupload AVOptions:
device <int> ..FV....... Number of the device to use (from 0 to INT_MAX) (default 0)
hysteresis AVOptions:
planes <int> ..FV....... set planes (from 0 to 15) (default 15)
threshold <int> ..FV....... set threshold (from 0 to 65535) (default 0)
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
identity AVOptions:
framesync AVOptions:
eof_action <int> ..FV....... Action to take when encountering EOF from secondary input (from 0 to 2) (default repeat)
repeat 0 ..FV....... Repeat the previous frame.
endall 1 ..FV....... End both streams.
pass 2 ..FV....... Pass through the main input.
shortest <boolean> ..FV....... force termination when the shortest input terminates (default false)
repeatlast <boolean> ..FV....... extend last frame of secondary streams beyond EOF (default true)
idet AVOptions:
intl_thres <float> ..FV....... set interlacing threshold (from -1 to FLT_MAX) (default 1.04)
prog_thres <float> ..FV....... set progressive threshold (from -1 to FLT_MAX) (default 1.5)
rep_thres <float> ..FV....... set repeat threshold (from -1 to FLT_MAX) (default 3)
half_life <float> ..FV....... half life of cumulative statistics (from -1 to INT_MAX) (default 0)
analyze_interlaced_flag <int> ..FV....... set number of frames to use to determine if the interlace flag is accurate (from 0 to INT_MAX) (default 0)
il AVOptions:
luma_mode <int> ..FV.....T. select luma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1 ..FV.....T.
i 1 ..FV.....T.
deinterleave 2 ..FV.....T.
d 2 ..FV.....T.
l <int> ..FV.....T. select luma mode (from 0 to 2) (default none)
none 0 ..FV.....T.
interleave 1
Raw
muxers.txt
View raw

(Sorry about that, but we can’t show files that are this big right now.)

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment