ffmpeg | branch: master | Paul B Mahol <onemda@gmail.com> | Thu Oct 31 13:31:11 2013 +0000| [49287bbfd3227b0718fddb976d19bebae52b71ef] | committer: Paul B Mahol doc/filters: add few more examples for blend filter Signed-off-by: Paul B Mahol <onemda@gmail.com>

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=49287bbfd3227b0718...

doc/filters.texi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 14692a2..57679cc 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2412,6 +2412,24 @@ Apply 1x1 checkerboard effect: @example blend=all_expr='if(eq(mod(X,2),mod(Y,2)),A,B)' @end example + +@item +Apply uncover left effect: +@example +blend=all_expr='if(gte(N*SW+X,W),A,B)' +@end example + +@item +Apply uncover down effect: +@example +blend=all_expr='if(gte(Y-N*SH,0),A,B)' +@end example + +@item +Apply uncover up-left effect: +@example +blend=all_expr='if(gte(T*SH*40+Y,H)*gte((T*40*SW+X)*W/H,W),A,B)' +@end example @end itemize @section boxblur