[FFmpeg-trac] #3271(undetermined:new): Allow using additional pixel formats with libvpx-vp9

FFmpeg trac at avcodec.org
Sun Jan 5 11:48:46 CET 2014

#3271: Allow using additional pixel formats with libvpx-vp9
             Reporter:               |                     Type:
  GreatEmerald                       |  enhancement
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  2.1.1
  undetermined                       |               Blocked By:
             Keywords:               |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
 Currently ffmpeg assumes that libvpx is only capable of yuv420p pixel
 format. However, libvpx-vp9 with Profile 1 allows additional pixel formats
 - yuv422p and yuv444p, and possibly also yuva422p and yuva444p (the libvpx
 code states that they also support alpha in Profile 1). So these pixel
 formats should be made available.

 The code comments for that can be found here (line 1133):
 The announcement of yuv444p support can be found here:

Ticket URL: <https://trac.ffmpeg.org/ticket/3271>
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