Files
FFmpeg/libavfilter
Victoria Zhislina d0aefc3706 avfilter/vf_zscale: add slice threading support
By ffmpeg threading support implementation via frame slicing and doing
zimg_filter_graph_build that used to take 30-60% of each frame processig
only if necessary (some parameters changed)
the performance increase vs original version
in video downscale and color conversion  >4x is seen
on 64 cores Intel Xeon, 3x on i7-6700K (4 cores with HT)

Signed-off-by: Victoria Zhislina <Victoria.Zhislina@intel.com>
2022-03-03 17:35:48 +01:00
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