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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 34 |
1 files changed, 34 insertions, 0 deletions
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 |