Signed-off-by: Michael Niedermayer <michae...@gmx.at> --- doc/filters.texi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/doc/filters.texi b/doc/filters.texi index b15087c..9149ae5 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4629,6 +4629,29 @@ The coordinates of the current sample. The width and height of the image. @end table +@subsection Examples + +@itemize +@item +Highpass: +@example +fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)' + +@end example + +Lowpass +@example +fftfilt=dc_Y=0:weight_Y='squish((Y+X)/100-1)' +@end example + +@item +Sharpen: +@example +fftfilt=dc_Y=0:weight_Y='1+squish(1-(Y+X)/100)' +@end example + +@end itemize + @section field Extract a single field from an interlaced image using stride -- 1.7.9.5 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel