diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 9530112e32..0da5702566 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1631,10 +1631,10 @@ Overlay one video on top of another. It takes two inputs and one output, the first input is the "main" video on which the second input is overlayed. -It accepts the parameters: @var{x}:@var{y}. +It accepts the parameters: @var{x}:@var{y}[:@var{options}]. @var{x} is the x coordinate of the overlayed video on the main video, -@var{y} is the y coordinate. The parameters are expressions containing +@var{y} is the y coordinate. @var{x} and @var{y} are expressions containing the following parameters: @table @option @@ -1651,6 +1651,17 @@ overlay input width and height same as @var{overlay_w} and @var{overlay_h} @end table +@var{options} is an optional list of @var{key}=@var{value} pairs, +separated by ":". + +The description of the accepted options follows. + +@table @option +@item rgb +If set to 1, force the filter to accept inputs in the RGB +colorspace. Default value is 0. +@end table + Be aware that frames are taken from each input video in timestamp order, hence, if their initial timestamps differ, it is a a good idea to pass the two inputs through a @var{setpts=PTS-STARTPTS} filter to |