[FFmpeg-trac] #7598(undetermined:new): Add row-mt option to libaom-av1

[FFmpeg]

#7598: Add row-mt option to libaom-av1
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             Reporter:  Ewout        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  libaom       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by Ewout):

 * priority:  wish => normal
 * type:  enhancement => defect
 * version:  git-master => unspecified
 * component:  avcodec => undetermined


Comment:

 I agree that encoding with tiles is still preferred for decoding
 performance
 ([data](https://docs.google.com/spreadsheets/d/1AO3lDZnpC8pNJffOknY1rIxXwLog_ISwHhO_sv3Xlhg/edit#gid=1957344704)).
 But with `-tile-columns 1` the CPU spiked at 32% usage, while with `-tile-
 columns 2` and `-tiles 2x2` the max CPU usage was 53%. More than 4 tiles
 is not necessary to reach great decode performance, so `row-mt` could
 still provide a big speedup in encoding performance.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7598#comment:5>
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