[FFmpeg-trac] #9481(undetermined:new): VA-API + QSV H264 => MPEG2 transcode PSNR dropped by 25%

FFmpeg trac at avcodec.org
Thu Nov 11 15:10:29 EET 2021


#9481: VA-API + QSV H264 => MPEG2 transcode PSNR dropped by 25%
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             Reporter:  eero-t       |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by eero-t):

 Note: using "-vsync passthrough" is not a workaround for this regression,
 like it is for #9377.  Neither with QSV nor with VA-API.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9481#comment:5>
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