[FFmpeg-trac] #57(avformat:new): Patch to read disc number in mov.c

FFmpeg trac at avcodec.org
Tue Apr 12 19:37:41 CEST 2011


#57: Patch to read disc number in mov.c
----------------------+--------------------------
 Reporter:  rrt       |        Type:  enhancement
   Status:  new       |    Priority:  normal
Component:  avformat  |     Version:  git
 Keywords:            |  Blocked By:
 Blocking:            |  Reproduced:  0
 Analyzed:  0         |
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 I attach a patch against current git head to read disc number in mov.c,
 for example from .m4a files. I used the information at:

 http://atomicparsley.sourceforge.net/mpeg-4files.html

 to get the correct atom code and decode the information ('disk' works like
 'trkn', so I was able to common up the decoding logic). Note that the tag
 I fill in is called 'disc', not 'disk', for consistency with the rest of
 ffmpeg.

 The motivation to add this was that multi-disc albums were not sorting
 correctly in MPD build against libavformat. With this fix it works fine.

 I'm very keen to see this fix get into ffmpeg, and this is the first patch
 I've sent, so if there's anything wrong with it, do say and I'll work to
 fix it.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/57>
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