#8902: VAAPI pixel format support regression between FFmpeg 3.x and 4.x
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Reporter: bmegli | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: vaapi | Blocked By:
regression |
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by wenbinCHEN):
Replying to [comment:5 bmegli]:
>
> 1. Do you know if libva conversions are hardware or software?
>
sorry, I don't know how it does the conversion in 3.x version, but libva
can do conversion in hardware.
I tried the "hwupload" and found that it only upload frames to hardware,
so you may append "vaapi_scale=format=nv12" filter to do the conversion.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8902#comment:6>
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