[FFmpeg-trac] #8349(avcodec:new): Dolby AC-4 Support

[FFmpeg]

#8349: Dolby AC-4 Support
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             Reporter:  Nomis101  |                     Type:  enhancement
               Status:  new       |                 Priority:  normal
            Component:  avcodec   |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 It would be nice to support the detection, muxing and demuxing of Dolby
 AC-4 audio streams (in MP4 and MKV).

 Information: https://dolbyac4.com/
 Specs: https://www.dolby.com/us/en/technologies/ac-4/Next-Generation-
 Entertainment-Services.pdf
 Sample files:
 http://testassets.dashif.org/#testcase/details/586fb3879ae9045678eab64f

 MediaInfo 19.09 added support for AC-4, so it would be nice to have
 support in FFmpeg as well.
 https://mediaarea.net/MediaInfo/ChangeLog

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Ticket URL: <https://trac.ffmpeg.org/ticket/8349>
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