[Ffmpeg-devel] [PATCH] Fix for the lol-ffplay.ogm testcase

[Panagiotis Issaris]

Hi M?ns,

On Wed, 2007-01-17 at 10:09 +0000, M?ns Rullg?rd wrote:
> Panagiotis Issaris said:
> > Hi,
> >
> > On Wed, 2007-01-17 at 10:40 +0100, Panagiotis Issaris wrote:
> >> Hi,
> >>
> >> Attached are two trivial patches with different approaches to prevent
> >> the segfault as demonstrated by lol-ffplay.ogm.
> >
> > And I just noted they also prevent the segfault triggered by:
> >
> > takis at issaris:/usr/local/src/ffmpeg$ ./ffmpeg -i
> > lol-ffplay.ogg /tmp/test.mpg
> > FFmpeg version SVN-r7559, Copyright (c) 2000-2006 Fabrice Bellard, et al.
> >   configuration:  --enable-gpl --enable-mp3lame --enable-faac --enable-x11grab
> >   libavutil version: 49.1.0
> >   libavcodec version: 51.28.0
> >   libavformat version: 51.7.0
> >   built on Jan 17 2007 10:41:27, gcc: 4.1.2 20060928 (prerelease) (Ubuntu
> 4.1.1-13ubuntu5)
> > [ogg @ 0x8444654]10 bytes of comment header remain
> > [ogg @ 0x8444654]truncated comment header, 1 comments not found
> > [ogg @ 0x8444654]Could not find codec parameters (Video: 0x0000)
> > [ogg @ 0x8444654]Could not find codec parameters (Video: 0x0000)
> >
> > Seems stream 2 codec frame rate differs from container frame rate: inf (1/0) ->
> 1000000.00 (1000000/1)
> > Input #0, ogg, from 'lol-ffplay.ogg':
> >   Duration: 00:00:00.2, start: 0.000000, bitrate: 548 kb/s
> >   Stream #0.0: Audio: vorbis, 22050 Hz, mono, 548 kb/s
> >   Stream #0.1: Video: 0x0000, 1000000.00 fps(r)
> >   Stream #0.2: Video: 0x0000, 1000000.00 fps(r)
> > picture size invalid (0x0)
> > Segmentation fault (core dumped)
> 
> What platform are you on?  I don't get any crashes from that file, or the ogm
> file on x86_64 (after fixing ogg2.c).
x86, 32-bit, using Ubuntu Edgy.

With friendly regards,
Takis

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