[FFmpeg-trac] #9925(undetermined:new): libplacebo

[FFmpeg]

#9925: libplacebo
-------------------------------------+-------------------------------------
             Reporter:  acedogblast  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  libplacbo    |               Blocked By:
  hdr                                |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 When tonemaping a HDR video to SDR using libplacebo filter, ffmpeg will
 fail the conversion. This is the error that ffmpeg outputs:

 [AVHWFramesContext @ 0x5596b2d8b740] There are no supported modifiers for
 the given sw_format
 [Parsed_hwupload_0 @ 0x5596b2cc75c0] Failed to configure output pad on
 Parsed_hwupload_0
 Error reinitializing filters!
 Failed to inject frame into filter network: Invalid argument


 How to reproduce:
 ./ffmpeg -i "$INPUT" -map 0:v:0 -init_hw_device vulkan=gpu:0.0 -vf
 "hwupload,libplacebo=tonemapping=bt.2446a:colorspace=bt709:color_primaries=bt709:color_trc=bt709:range=limited:format=yuv420p10le,hwdownload"
 -c:v libx265 -crf 20 -preset:v slow -pix_fmt yuv420p10le "test.mkv"
 ffmpeg version N-108133-gf976ed7fcf # This is git master as of 9/14/2022
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Ticket URL: <https://trac.ffmpeg.org/ticket/9925>
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