[FFmpeg-trac] #10715(ffmpeg:new): QSV decoder fails to get configured and issues Error initializing the MFX video decoder: unsupported (-3)

[FFmpeg]

#10715: QSV decoder fails to get configured and issues Error initializing the MFX
video decoder: unsupported (-3)
-------------------------------------+-------------------------------------
             Reporter:  tipoman      |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  4.4.4        |               Resolution:
             Keywords:  ffmpeg ,     |               Blocked By:
  qsv, intel, hevc , hardware        |
  decoding                           |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by wenbin,chen):

 After commit ae06111d7406e541ac232318bcf50f8510a36f38. bsf can be used
 after demuxing.


 Add dump_extra bsf and pull stream like this:

 {{{
  ffmpeg -v verbose -bsf:v dump_extra -hwaccel qsv -i
 rtsp://localhost:8554/mystream -f null -
 }}}

 solve the problem on my side.
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Ticket URL: <https://trac.ffmpeg.org/ticket/10715#comment:4>
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