ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat Mar 7 23:22:34 2015 +0100| [8fabbd0dcf3ac91bfced555fdf4819f500b6a88e] | committer: Michael Niedermayer
doc/filters: Add some random examples for fftfilt Reviewed-by: Timothy Gu <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8fabbd0dcf3ac91bfced555fdf4819f500b6a88e --- doc/filters.texi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index b15087c..b0ea2ca 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 +High-pass: +@example +fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)' +@end example + +@item +Low-pass: +@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 _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
