#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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