Signed-off-by: Lou Logan <l...@lrcd.com> --- doc/filters.texi | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/doc/filters.texi b/doc/filters.texi index 35f5050..4e34b98 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -7485,6 +7485,13 @@ by the linear gradient: @example ffmpeg -i input.mp4 -filter_complex "geq=lum=255*(Y/H),format=gray[grad];[0:v]boxblur=4[blur];[blur][grad]alphamerge[alpha];[0:v][alpha]overlay" output.mp4 @end example + +@item +Diagonal split screen to compare filter effect: +@example +ffmpeg -i input -filter_complex "[0:v]geq=lum=if(gt(X\,Y*(W/H))\,255),format=gray[alpha];[0:v][alpha]alphamerge,curves=preset=color_negative[filtered];[0:v][filtered]overlay" output +@end example + @end itemize @section gradfun -- 2.7.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
