[FFmpeg-trac] #8349(undetermined:open): Dolby AC-4 Support

FFmpeg trac at avcodec.org
Sat Oct 16 09:03:33 EEST 2021

#8349: Dolby AC-4 Support
             Reporter:  Nomis101     |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
Comment (by Nicholas S Jenkins):

 Replying to [comment:49 prldm]:
 > I compiled the ac4 branch of richardpl's fork and it looks like it can
 not decode AC4 which is inside an mp4 container.

 I also compiled that fork, and I downloaded various .ts and .mp4 samples
 from the web, and I noticed that it does just fine on some, and not
 Specifically, I noticed that:
 0x342D4341 is 5.1 Channel Audio and works fine
 0x342D6361 is 2 Channel Audio, and does not work well.  I haven't yet
 searched through the code to see if there are easy adjustments...I hope to
 get to that in the next 2 weeks
Ticket URL: <https://trac.ffmpeg.org/ticket/8349#comment:53>
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