[FFmpeg-devel] patch for correctly tagging mp3 audio track in mpeg4 container
Fri Nov 28 23:23:05 CET 2008
Sergei Vavinov wrote:
> Flash player can play MPEG4 videos with H.264 video track and either MP3
> or AAC audio track.
> For that AAC audio track must be tagged as "mp4a", and MP3 audio track
> must be tagged as ".mp3"
> (see , ). However, ffmpeg always seems to tag MP3s within MPEG4
> as "mp4a".
Yes, as mentioned in specs, tag 'mp4a' must be used and correct
Your patch is rejected, until specs have been quoted that this tag is
authorized in MPEG4.
This tag is used in .mov, if you want this tag, use .mov.
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