[Ffmpeg-devel] make test fails reading mpeg1 sometime between r6349and r6364

[Víctor Paesa]

> Hi,
>
> make test fails reading mpeg1 files in SVN-r6364 and SVN-r6375:
>
> $ ../ffmpeg_g -y -flags +bitexact -dct fastint -idct simple -y -i
> ./data/a-mpeg1.mpg -f rawvideo ./data/out.yuv
> FFmpeg version SVN-r6364, Copyright (c) 2000-2004 Fabrice Bellard
>   configuration:  --disable-static --enable-shared --enable-avisynth
> --disable-vhook
>   libavutil version: 49.0.1
>   libavcodec version: 51.16.0
>   libavformat version: 50.5.0
>   built on Sep 29 2006 12:04:29, gcc: 3.4.4 (cygming special) (gdc 0.12,
> using dmd 0.125)
> [mpegvideo @ 0x515054]Could not find codec parameters (Video: mpeg1video)
> ./data/a-mpeg1.mpg: could not find codec parameters
>
>
> $ ~/src/FFmpeg-20060929-6375/ffmpeg/ffmpeg -y -flags +bitexact -dct
> fastint -idct simple -y -i ./data/a-mpeg1.mpg -f rawvideo ./data/out.yuv
> FFmpeg version SVN-r6375, Copyright (c) 2000-2004 Fabrice Bellard
>   configuration:  --disable-static --enable-shared --enable-avisynth
>   libavutil version: 49.0.1
>   libavcodec version: 51.16.0
>   libavformat version: 50.5.0
>   built on Sep 29 2006 10:19:49, gcc: 3.4.4 (cygming special) (gdc 0.12,
> using dmd 0.125)
> [mpegvideo @ 0x4f5054]Could not find codec parameters (Video: mpeg1video)
> ./data/a-mpeg1.mpg: could not find codec parameters
>
>
> It succeeded in SVN-r6349:
>
> $ ~/src/FFmpeg-20060927-6349/ffmpeg/ffmpeg -y -flags +bitexact -dct
> fastint -idct simple -y -i ./data/a-mpeg1.mpg -f rawvideo ./data/out.yuv
> FFmpeg version SVN-r6349, Copyright (c) 2000-2004 Fabrice Bellard
>   configuration:  --disable-static --enable-shared --enable-avisynth
>   libavutil version: 49.0.1
>   libavcodec version: 51.15.0
>   libavformat version: 50.5.0
>   built on Sep 29 2006 11:01:36, gcc: 3.4.4 (cygming special) (gdc 0.12,
> using dmd 0.125)
> Input #0, mpegvideo, from './data/a-mpeg1.mpg':
>   Duration: 00:00:00.0, start: 0.000000, bitrate: 146854 kb/s
>   Stream #0.0: Video: mpeg1video, yuv420p, 352x288, 104857 kb/s, 25.00
> fps(r)
> Output #0, rawvideo, to './data/out.yuv':
>   Stream #0.0: Video: rawvideo, yuv420p, 352x288, q=2-31, 200 kb/s, 25.00
> fps(c)
> Stream mapping:
>   Stream #0.0 -> #0.0
> Press [q] to stop encoding
> frame=   50 q=0.0 Lsize=    7425kB time=2.0 bitrate=30412.8kbits/s
> video:7425kB audio:0kB global headers:0kB muxing overhead 0.000000%
>
> I'm using the daily snapshots so I'm not able to point more precisely the
> SVN version were things started to fail.
>

Even after building with --enable-gpl the make test would fail for
SVN-6364, SVN-r6375.

The good news are that the issue seems solved from (at least) SVN-6400 on.

Regards,
V?ctor