Aman Karmani 504c60660d avutil/hwcontext_videotoolbox: implement hwupload to convert AVFrame to CVPixelBuffer ...

Teach AV_HWDEVICE_TYPE_VIDEOTOOLBOX to be able to create AVFrames of type
AV_PIX_FMT_VIDEOTOOLBOX. This can be used to hwupload a regular AVFrame
into its CVPixelBuffer equivalent.

    ffmpeg -init_hw_device videotoolbox -f lavfi -i color=black:640x480 -vf hwupload -c:v h264_videotoolbox -f null -y /dev/null

Signed-off-by: Aman Karmani <aman@tmm1.net>

2021-07-18 12:01:16 -07:00

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