[FFmpeg-trac] #7330(avcodec:new): ffmpeg 4.0 fails to transcoding one 4k clip

[FFmpeg]

#7330: ffmpeg 4.0 fails to transcoding one 4k clip
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             Reporter:  applemax82  |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  qsv         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by lizhong1008):

 As an option, can use vaapi decoder + qsv encoder: ffmpeg -hwaccel vaapi
 -hwaccel_output_format vaapi -i
 /root/lizhong/Videos/customer/ticket_7330/src_AVC_4K.mp4.mp4 -vf
 'hwmap=derive_device=qsv,format=qsv' -c:v h264_qsv -b:v 5M output.mp4

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Ticket URL: <https://trac.ffmpeg.org/ticket/7330#comment:4>
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