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November 29, 2020 16:09
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ffmpeg: NVidia hardware encoder `h264_nvenc` and hardware decoder `h264_cuvid` - Documentation (Nov 2020)
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| ffmpeg version 2020-11-29-git-f194cedfe6-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers | |
| built with gcc 10.2.0 (Rev5, Built by MSYS2 project) | |
| configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint | |
| libavutil 56. 61.100 / 56. 61.100 | |
| libavcodec 58.114.100 / 58.114.100 | |
| libavformat 58. 64.100 / 58. 64.100 | |
| libavdevice 58. 11.103 / 58. 11.103 | |
| libavfilter 7. 91.100 / 7. 91.100 | |
| libswscale 5. 8.100 / 5. 8.100 | |
| libswresample 3. 8.100 / 3. 8.100 | |
| libpostproc 55. 8.100 / 55. 8.100 | |
| Decoder h264_cuvid [Nvidia CUVID H264 decoder]: | |
| General capabilities: delay avoidprobe hardware | |
| Threading capabilities: none | |
| Supported hardware devices: cuda | |
| Supported pixel formats: cuda nv12 p010le p016le | |
| 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) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| ffmpeg version 2020-11-29-git-f194cedfe6-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers | |
| built with gcc 10.2.0 (Rev5, Built by MSYS2 project) | |
| configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint | |
| libavutil 56. 61.100 / 56. 61.100 | |
| libavcodec 58.114.100 / 58.114.100 | |
| libavformat 58. 64.100 / 58. 64.100 | |
| libavdevice 58. 11.103 / 58. 11.103 | |
| libavfilter 7. 91.100 / 7. 91.100 | |
| libswscale 5. 8.100 / 5. 8.100 | |
| libswresample 3. 8.100 / 3. 8.100 | |
| libpostproc 55. 8.100 / 55. 8.100 | |
| Encoder h264_nvenc [NVIDIA NVENC H.264 encoder]: | |
| General capabilities: delay hardware | |
| Threading capabilities: none | |
| Supported hardware devices: cuda cuda d3d11va d3d11va | |
| Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 cuda d3d11 | |
| 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) | |
| -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) |
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