[FFmpeg-devel] R10953 broke MPEG decoding

Aurelien Jacobs aurel
Thu Nov 8 14:09:47 CET 2007


Luca Abeni wrote:

> Hi all,
> 
> mpeg decoding is currently broken: just try
> make output_example
> ./output_example test.mpg
> ./ffmpeg -i test.mpg
> 
> luca at nowhere:/tmp/ffmpeg$ ./ffmpeg -i test.mpg
> FFmpeg version SVN-r10953, Copyright (c) 2000-2007 Fabrice Bellard, et al.
>    configuration:
>    libavutil version: 49.5.0
>    libavcodec version: 51.48.0
>    libavformat version: 51.18.0
>    built on Nov  8 2007 08:33:35, gcc: 4.1.2 (Ubuntu 4.1.2-0ubuntu4)
> test.mpg: could not find codec parameters

Can't reproduce here:

$ ./output_example test.mpg
Output #0, mpeg, to 'test.mpg':
    Stream #0.0: Video: mpeg1video (hq), yuv420p, 352x288 [PAR 0:1 DAR 0:1], q=2-31, 400 kb/s, 25.00 fps(c)
    Stream #0.1: Audio: mp2, 44100 Hz, stereo, 64 kb/s
[mpeg @ 0x784240]buffer underflow i=0 bufi=2002 size=6731
[mpeg @ 0x784240]buffer underflow i=1 bufi=0 size=208
[...]

$ ./ffmpeg -i test.mpg
FFmpeg version SVN-r10958, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration:
  libavutil version: 49.5.0
  libavcodec version: 51.48.0
  libavformat version: 51.18.0
  built on Nov  8 2007 13:55:24, gcc: 4.2.3 20071014 (prerelease) (Debian 4.2.2-3)
Input #0, mpeg, from 'test.mpg':
  Duration: 00:00:05.0, start: 0.000000, bitrate: 645 kb/s
    Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288 [PAR 1:1 DAR 11:9], 104857 kb/s, 25.00 fps(r)
    Stream #0.1[0x1c0]: Audio: mp2, 44100 Hz, stereo, 64 kb/s
Must supply at least one output file

> The regression tests also fail

Not here:

$ make test
[...]
Regression test succeeded.

Aurel




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