avfilter: add vif filter

Multimedia / FFmpeg - Ashish Singh [gmail.com] - 16 February 2021 14:00 UTC

This is Visual Information Fidelity (VIF) filter and one of the component filters of VMAF. It outputs the average VIF score over all frames.

38aea9b041 avfilter: add vif filter
Changelog | 1 +
doc/filters.texi | 21 ++
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/version.h | 2 +-
libavfilter/vf_vif.c | 654 +++++++++++++++++++++++++++++++++++++++++++++++
libavfilter/vif.h | 30 +++
7 files changed, 709 insertions(+), 1 deletion(-)

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