From 4d41db7a31db0c426294ee692fb816faba39eba3 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Thu, 31 Aug 2017 12:07:58 +0200 Subject: avfilter: add generic FFT video convolve filter Signed-off-by: Paul B Mahol --- doc/filters.texi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'doc/filters.texi') diff --git a/doc/filters.texi b/doc/filters.texi index c3c54fdda5..4111532512 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -6005,6 +6005,24 @@ convolution="-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 - @end example @end itemize +@section convolve + +Apply 2D convolution of video stream in frequency domain using second stream +as impulse. + +The filter accepts the following options: + +@table @option +@item planes +Set which planes to process. + +@item impulse +Set which impulse video frames will be processed, can be @var{first} +or @var{all}. Default is @var{all}. +@end table + +The @code{convolve} filter also supports the @ref{framesync} options. + @section copy Copy the input video source unchanged to the output. This is mainly useful for -- cgit v1.2.3