[FFmpeg-trac] #9394(avcodec:new): Support VP9 hardware acceleration for VideoToolBox

[FFmpeg]

#9394: Support VP9 hardware acceleration for VideoToolBox
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             Reporter:  WindowPain    |                    Owner:  (none)
                 Type:  enhancement   |                   Status:  new
             Priority:  wish          |                Component:  avcodec
              Version:  git-master    |               Resolution:
             Keywords:  videotoolbox  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by jeeb):

 I worked on this briefly during last winter
 ([https://github.com/jeeb/ffmpeg/commits/vt_vp9_support branch]) and I got
 the decoder to initialize on a friend's piece of hardware, I never got to:
 1. Properly sharing the VP9 VPcc extradata generation logic between lavf
 and lavc (we already have a function over at lavf for this).
 1. Unhacking the decoder bits which were clearly failing.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9394#comment:1>
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