[FFmpeg-trac] #4823(undetermined:open): Conversion from DTS/DTS-MA to AC3 results in 2 channels instead of 6

[FFmpeg]

#4823: Conversion from DTS/DTS-MA to AC3 results in 2 channels instead of 6
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             Reporter:  JohnGalt     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by JohnGalt):

 Ok, that's odd, but it works.  Now the only thing that isn't working
 properly (or maybe it is) is that the DTS Master track that's the first
 one that is copied shows in the original .mkv as 8 channels for the
 channels property and in the remixed output it's showing as 2 channels and
 original = 8 instead of showing as 8 channels. (But then shows channel
 positions for all 8 channels)

 If I use MKV instead of m4v, the resulting file shows all 8 channels
 though.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4823#comment:9>
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