Nicolas George <george <at> nsup.org> writes:
>
> Le tridi 3 nivôse, an CCXXIV, Carl Eugen Hoyos a écrit :
> > yuv4mpegpipe used to accept (only) rawvideo as codec.
> > Bug reports indicate that changing this (without any
> > explanation) breaks usage of the muxer.
>
> Seems to work fine here.
$ ffmpeg -f lavfi -i color -f yuv4mpegpipe -vcodec rawvideo /dev/null
ffmpeg version N-77434-gb18230e Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 11.100 / 55. 11.100
libavcodec 57. 19.100 / 57. 19.100
libavformat 57. 20.100 / 57. 20.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 21.100 / 6. 21.100
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 'color':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR
1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
File '/dev/null' already exists. Overwrite ? [y/N]
Not overwriting - exiting
cehoyos@lisbeth:~/test/cehoyos/FFmpeg> ./ffmpeg -f lavfi -i color -f
yuv4mpegpipe -vcodec rawvideo -y /dev/null
ffmpeg version N-77434-gb18230e Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 55. 11.100 / 55. 11.100
libavcodec 57. 19.100 / 57. 19.100
libavformat 57. 20.100 / 57. 20.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 21.100 / 6. 21.100
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 'color':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR
1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
[yuv4mpegpipe @ 0x1f79e80] ERROR: Codec not supported.
Output #0, yuv4mpegpipe, to '/dev/null':
Metadata:
encoder : Lavf57.20.100
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR
1:1 DAR 4:3], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
encoder : Lavc57.19.100 rawvideo
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> rawvideo (native))
Could not write header for output file #0 (incorrect codec parameters ?):
Invalid data found when processing input
Carl Eugen
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