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

FFmpeg trac at avcodec.org
Fri Jan 10 17:21:43 EET 2020

#8379: problem with h264_qsv, lookahead and scale_qsv
             Reporter:  phrancesco  |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  4.2         |               Resolution:
             Keywords:  qsv         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
Changes (by fulinjie):

 * cc: linjie.fu@… (added)


 The log seems to show the allocated memory is not enough, you may try to
 set bigger extra_hw_frames to get it work. And it's a bit strange that
 qsv_vpp is able to work with 80 extra_hw_frames, while scale_qsv isn't.

 Would you please help to compare the GEM object usage difference?
 watch cat /sys/kernel/debug/dri/0/i915_gem_objects

Ticket URL: <https://trac.ffmpeg.org/ticket/8379#comment:1>
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