Skip to content

Instantly share code, notes, and snippets.

@andrey-utkin

andrey-utkin/gist:c72034b68f7950101dbc

Created February 1, 2016 00:33
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 andrey-utkin/c72034b68f7950101dbc to your computer and use it in GitHub Desktop.
Save andrey-utkin/c72034b68f7950101dbc to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.txt
$ for x in /tmp/ffmpeg.{static,shared}
> do
> pushd $x
> export LD_LIBRARY_PATH="$x/lib"
> ./bin/ffmpeg -f lavfi -i testsrc -t 1 -c:v libx264 -y test.mkv
> ./transcoding test.mkv out.mkv || true # this fails
> popd
> done
/tmp/ffmpeg.static /tmp
ffmpeg version N-78232-g9962718 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
configuration: --enable-libx264 --enable-gpl --prefix=/tmp/ffmpeg.static
libavutil 55. 16.101 / 55. 16.101
libavcodec 57. 24.101 / 57. 24.101
libavformat 57. 23.101 / 57. 23.101
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 27.100 / 6. 27.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, lavfi, from 'testsrc':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x35024e0] using SAR=1/1
[libx264 @ 0x35024e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x35024e0] profile High 4:4:4 Predictive, level 1.3, 4:4:4 8-bit
[libx264 @ 0x35024e0] 264 - core 148 r2665M a01e339 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, matroska, to 'test.mkv':
Metadata:
encoder : Lavf57.23.101
Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv444p, 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 1k tbn, 25 tbc
Metadata:
encoder : Lavc57.24.101 libx264
Side data:
unknown side data type 10 (24 bytes)
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 25 fps=0.0 q=-1.0 Lsize= 8kB time=00:00:00.92 bitrate= 74.0kbits/s speed=13.6x
video:7kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 11.975260%
[libx264 @ 0x35024e0] frame I:1 Avg QP:19.50 size: 2846
[libx264 @ 0x35024e0] frame P:9 Avg QP:17.62 size: 346
[libx264 @ 0x35024e0] frame B:15 Avg QP:14.18 size: 64
[libx264 @ 0x35024e0] consecutive B-frames: 20.0% 0.0% 0.0% 80.0%
[libx264 @ 0x35024e0] mb I I16..4: 31.3% 41.7% 27.0%
[libx264 @ 0x35024e0] mb P I16..4: 1.2% 2.0% 0.6% P16..4: 8.6% 3.3% 2.0% 0.0% 0.0% skip:82.2%
[libx264 @ 0x35024e0] mb B I16..4: 0.2% 0.1% 0.0% B16..8: 4.8% 0.1% 0.0% direct: 0.2% skip:94.5% L0:39.7% L1:54.9% BI: 5.4%
[libx264 @ 0x35024e0] 8x8 transform intra:44.1% inter:48.9%
[libx264 @ 0x35024e0] coded y,u,v intra: 12.2% 11.2% 11.0% inter: 0.7% 0.9% 0.8%
[libx264 @ 0x35024e0] i16 v,h,dc,p: 71% 19% 3% 7%
[libx264 @ 0x35024e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 71% 6% 23% 0% 0% 0% 0% 0% 0%
[libx264 @ 0x35024e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 47% 31% 15% 2% 1% 1% 0% 2% 0%
[libx264 @ 0x35024e0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x35024e0] ref P L0: 63.4% 5.0% 23.5% 8.1%
[libx264 @ 0x35024e0] ref B L0: 73.3% 23.3% 3.5%
[libx264 @ 0x35024e0] ref B L1: 97.8% 2.2%
[libx264 @ 0x35024e0] kb/s:55.28
Input #0, matroska,webm, from 'test.mkv':
Metadata:
ENCODER : Lavf57.23.101
Duration: 00:00:01.00, start: 0.000000, bitrate: 68 kb/s
Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuv444p, 320x240 [SAR 1:1 DAR 4:3], 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
Metadata:
ENCODER : Lavc57.24.101 libx264
DURATION : 00:00:01.000000000
[libx264 @ 0x20b8b40] broken ffmpeg default settings detected
[libx264 @ 0x20b8b40] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x20b8b40] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x20b8b40] speed presets are listed in x264 --help
[libx264 @ 0x20b8b40] profile is optional; x264 defaults to high
Cannot open video encoder for stream #0
Error occurred: Generic error in an external library
/tmp
/tmp/ffmpeg.shared /tmp
ffmpeg version N-78232-g9962718 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
configuration: --enable-libx264 --enable-gpl --prefix=/tmp/ffmpeg.shared --enable-shared
libavutil 55. 16.101 / 55. 16.101
libavcodec 57. 24.101 / 57. 24.101
libavformat 57. 23.101 / 57. 23.101
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 27.100 / 6. 27.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, lavfi, from 'testsrc':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x10394e0] using SAR=1/1
[libx264 @ 0x10394e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x10394e0] profile High 4:4:4 Predictive, level 1.3, 4:4:4 8-bit
[libx264 @ 0x10394e0] 264 - core 148 r2665M a01e339 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, matroska, to 'test.mkv':
Metadata:
encoder : Lavf57.23.101
Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv444p, 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 1k tbn, 25 tbc
Metadata:
encoder : Lavc57.24.101 libx264
Side data:
unknown side data type 10 (24 bytes)
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 25 fps=0.0 q=-1.0 Lsize= 8kB time=00:00:00.92 bitrate= 74.0kbits/s speed=17.1x
video:7kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 11.975260%
[libx264 @ 0x10394e0] frame I:1 Avg QP:19.50 size: 2846
[libx264 @ 0x10394e0] frame P:9 Avg QP:17.62 size: 346
[libx264 @ 0x10394e0] frame B:15 Avg QP:14.18 size: 64
[libx264 @ 0x10394e0] consecutive B-frames: 20.0% 0.0% 0.0% 80.0%
[libx264 @ 0x10394e0] mb I I16..4: 31.3% 41.7% 27.0%
[libx264 @ 0x10394e0] mb P I16..4: 1.2% 2.0% 0.6% P16..4: 8.6% 3.3% 2.0% 0.0% 0.0% skip:82.2%
[libx264 @ 0x10394e0] mb B I16..4: 0.2% 0.1% 0.0% B16..8: 4.8% 0.1% 0.0% direct: 0.2% skip:94.5% L0:39.7% L1:54.9% BI: 5.4%
[libx264 @ 0x10394e0] 8x8 transform intra:44.1% inter:48.9%
[libx264 @ 0x10394e0] coded y,u,v intra: 12.2% 11.2% 11.0% inter: 0.7% 0.9% 0.8%
[libx264 @ 0x10394e0] i16 v,h,dc,p: 71% 19% 3% 7%
[libx264 @ 0x10394e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 71% 6% 23% 0% 0% 0% 0% 0% 0%
[libx264 @ 0x10394e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 47% 31% 15% 2% 1% 1% 0% 2% 0%
[libx264 @ 0x10394e0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x10394e0] ref P L0: 63.4% 5.0% 23.5% 8.1%
[libx264 @ 0x10394e0] ref B L0: 73.3% 23.3% 3.5%
[libx264 @ 0x10394e0] ref B L1: 97.8% 2.2%
[libx264 @ 0x10394e0] kb/s:55.28
Input #0, matroska,webm, from 'test.mkv':
Metadata:
ENCODER : Lavf57.23.101
Duration: 00:00:01.00, start: 0.000000, bitrate: 68 kb/s
Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuv444p, 320x240 [SAR 1:1 DAR 4:3], 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
Metadata:
ENCODER : Lavc57.24.101 libx264
DURATION : 00:00:01.000000000
[libx264 @ 0x2701b40] broken ffmpeg default settings detected
[libx264 @ 0x2701b40] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x2701b40] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x2701b40] speed presets are listed in x264 --help
[libx264 @ 0x2701b40] profile is optional; x264 defaults to high
Cannot open video encoder for stream #0
Error occurred: Generic error in an external library
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment