[BUG] was: [Ffmpeg-devel] H264/AVC decoding of non mod8 video

Benjamin Larsson banan
Sat Sep 3 14:44:14 CEST 2005


Mathieu Monnier wrote:

> Hi,
> Several apple trailers show purple/pink blocks on the right border of
> the picture. When it happens, the width of the picture is not
> dividable by 8.
> An example of such a trailer is "The brothers grimm" (
> http://images.apple.com/movies/us/hd_gallery/gl1800/480p/the_brothers_grimm_m480pa.mov
> ), 852x480. It begins by following a girl into the woods, then she
> makes her way back to the village, two lightning strikes, then purple
> can be spotted, to the right / bottom corner of the video, for a few
> frames ( ~22th second of the movie ).

with mplayer cvs and ffmpeg cvs on x86_64 the video play fine but the
audio doesn't. This is what ffmpeg outputs:

./ffmpeg -i ../mov/the_brothers_grimm_m480pa.mov test.avi
ffmpeg version CVS, build 3211266, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --enable-gpl
  built on Sep  3 2005 14:31:19, gcc: 3.4.3 20041125 (Gentoo Linux
3.4.3-r1, ssp-3.4.3-0, pie-8.7.7)
Input #0, mov,mp4,m4a,3gp,3g2, from '../mov/the_brothers_grimm_m480pa.mov':
  Duration: 00:01:20.2, start: 0.000000, bitrate: 6101 kb/s
  Stream #0.0: Audio: 0x6134706d, 1 Hz, 3 channels
Resampling with input channels greater than 2 unsupported.Can't
resample.  Aborting.
Abort at ffmpeg.c:1738

To me this sounds like a problem with the mov demuxer. ffplay also fails.

> [...]
> Best regards,
> Mathieu Monnier
Benjamin Larsson

More information about the ffmpeg-devel mailing list