[FFmpeg-trac] #7584(undetermined:new): Add chroma subsampling setting to libaom-av1

FFmpeg trac at avcodec.org
Mon Dec 3 01:57:05 EET 2018

#7584: Add chroma subsampling setting to libaom-av1
             Reporter:  Ewout        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  aom          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Currently there is no option to specify chroma subsampling when encoding
 using libaom-av1, and 4:2:0 is used by default. Settings for 4:0:0
 (monochrome), 4:2:2 and 4:4:4 should be added.

 The color config semantics for AV1 are here specified (large document):

Ticket URL: <https://trac.ffmpeg.org/ticket/7584>
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