[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:  ranutso      |                    Owner:
                 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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Changes (by Balling):

 * status:  new => open


Comment:

 So will 637c154a5048f60d0b59d35941d4d528edf56370 do something for this
 issue? Also after reading
 https://en.wikipedia.org/wiki/Talk:Matrix_decoder#Mathematical_definition_of_matrix
 on https://en.wikipedia.org/wiki/Hilbert_transform, IMHO this is quite
 insane stuff to implement.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4175#comment:12>
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