[FFmpeg-trac] #10255(avcodec:new): prores_ks encoder on Mac with M2 creates flickering

[FFmpeg]

#10255: prores_ks encoder on Mac with M2 creates flickering
-------------------------------------+-------------------------------------
             Reporter:  jonnyburger  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:
                                     |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:

 On an M2 Mac, encoding an image sequence with -profile:v 4 (4444) and the
 pixel format yuva444p10le creates a flickering video.

 The issue was reproduced by two separated developers, but the bug does not
 happen on a M1 Mac. We suspect it has to do with the Apple Silicon Media
 Engine.

 FFmpeg version: N-110004-g1231003c3c (build from latest development
 commit)

 How to reproduce:

 Get the reproduction from https://streams.videolan.org/ffmpeg/incoming
 /prores-repro.zip

 Command

 {{{
 ffmpeg \
 -r 30 \
 -f image2 \
 -s 1280x720 \
 -start_number 0 \
 -i out/element-%03d.png \
 -vcodec prores_ks \
 -profile:v 4 \
 -pix_fmt yuva444p10le \
 -map_metadata -1 \
 -vendor apl0 \
 -metadata comment="Made with Remotion 3.3.75" \
 -y \
 out.mov
 }}}

 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10255>
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