From afeffd891f58f198dde50ff49e3f8a26b0ede6a8 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sat, 10 Sep 2016 23:34:30 +0200 Subject: avfilter: add sobel and prewitt filter Signed-off-by: Paul B Mahol --- doc/filters.texi | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'doc') diff --git a/doc/filters.texi b/doc/filters.texi index 2acf770f48..ff0ac50997 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -10860,6 +10860,23 @@ Set medium thresholding (good results, default). @end table @end table +@section prewitt +Apply prewitt operator to input video stream. + +The filter accepts the following option: + +@table @option +@item planes +Set which planes will be processed, unprocessed planes will be copied. +By default value 0xf, all planes will be processed. + +@item scale +Set value which will be multiplied with filtered result. + +@item delta +Set value which will be added to filtered result. +@end table + @section psnr Obtain the average, maximum and minimum PSNR (Peak Signal to Noise @@ -12714,6 +12731,23 @@ asendcmd='5.0 astreamselect map 1',astreamselect=inputs=2:map=0 @end example @end itemize +@section sobel +Apply sobel operator to input video stream. + +The filter accepts the following option: + +@table @option +@item planes +Set which planes will be processed, unprocessed planes will be copied. +By default value 0xf, all planes will be processed. + +@item scale +Set value which will be multiplied with filtered result. + +@item delta +Set value which will be added to filtered result. +@end table + @anchor{spp} @section spp -- cgit v1.2.3