avfilter: add xcorrelate video filter

Multimedia / FFmpeg - Paul B Mahol [gmail.com] - 13 October 2021 17:09 UTC

933765aa0e avfilter: add xcorrelate video filter
Changelog | 1 +
doc/filters.texi | 18 +++
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/version.h | 2 +-
libavfilter/vf_convolve.c | 370 ++++++++++++++++++++++++++++++++++++++++------
6 files changed, 348 insertions(+), 45 deletions(-)

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