[FFmpeg-trac] #4175(swresample:open): support phase shift for Dolby Pro Logic II / Dolby matrix downmix

[FFmpeg]

#4175: support phase shift for Dolby Pro Logic II / Dolby matrix downmix
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             Reporter:  AndreG       |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  open
             Priority:  normal       |                Component:
                                     |  swresample
              Version:  git-master   |               Resolution:
             Keywords:  dplii        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Balling):

 Some progress, whatever that does
 https://patchwork.ffmpeg.org/project/ffmpeg/patch/20241226181306.691-3-jamrial@gmail.com/
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Ticket URL: <https://trac.ffmpeg.org/ticket/4175#comment:13>
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