#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):
I think the "[AVHWDeviceContext @ 0x55dcc90cf7e0] Format 0x32315659 ->"
means the pixel format supported by libva and the pixel format that can be
encoded by h264 is a subset of them, because libva can also do video
processing.
In 4.x version, you may need to do the pixel format transformation
manually. You can use sws_scale or "hwupload" filter to do this.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8902#comment:4>
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