libavfilter: add transpose_vaapi filter
Swap width and height when do clock/cclock rotation Add reversal/hflip/vflip options ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i input.264 -vf "transpose_vaapi=clock_flip" -c:v h264_vaapi output.h264 Signed-off-by: NZachary Zhou <zachary.zhou@intel.com> Signed-off-by: NMark Thompson <sw@jkqxz.net>
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libavfilter/vf_transpose_vaapi.c
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