[FFmpeg-trac] #8379(avfilter:new): problem with h264_qsv, lookahead and scale_qsv

FFmpeg trac at avcodec.org
Tue Jan 21 11:01:05 EET 2020

#8379: problem with h264_qsv, lookahead and scale_qsv
             Reporter:  phrancesco   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avfilter
              Version:  unspecified  |               Resolution:
             Keywords:  qsv          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by fulinjie):

 Thanks Carl, confirmed that it could be reproduced with git head.

 The root cause seems to be missing support for extra_hw_frames in
 scale_qsv.(which vpp_qsv  supports)

 Hi phrancesco, would you please help to try following patch?

 send-email-linjie.fu at intel.com/

 (Please provided detailed information with the latest FFmpeg git head next
 time, thx)

Ticket URL: <https://trac.ffmpeg.org/ticket/8379#comment:7>
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