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| author | Stefano Sabatini <stefasab@gmail.com> | 2013-05-19 22:54:49 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2013-05-20 11:12:09 +0200 |
| commit | 6e7c534955d9bae3a6964a7ff8c35d7bf3f3bddc (patch) | |
| tree | 09016729c94c1e898919c895b6483c3fc84ec2c7 /doc | |
| parent | 281fc4e95845872b4e347099993563b8fbeacd7d (diff) | |
| download | ffmpeg-6e7c534955d9bae3a6964a7ff8c35d7bf3f3bddc.tar.gz | |
doc/filters: add RGB geq example
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index cc71a2f6f2..301887d696 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4111,6 +4111,12 @@ Generate a quick emboss effect: @example format=gray,geq=lum_expr='(p(X,Y)+(256-p(X-4,Y-4)))/2' @end example + +@item +Modify RGB components depending on pixel position: +@example +geq=r='X/W*r(X,Y)':g='(1-X/W)*g(X,Y)':b='(H-Y)/H*b(X,Y)' +@end example @end itemize @section gradfun |