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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 9efed219aa..e217f4e906 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -512,14 +512,31 @@ input to the vflip filter. Pass the video source unchanged to the output. -@section ocv_smooth +@section ocv -Apply smooth transform using libopencv. +Apply video transform using libopencv. To enable this filter install libopencv library and headers and configure FFmpeg with --enable-libopencv. -The filter accepts the following parameters: +The filter takes the parameters: @var{filter_name}@{:=@}@var{filter_params}. + +@var{filter_name} is the name of the libopencv filter to apply. + +@var{filter_params} specifies the parameters to pass to the libopencv +filter. If not specified the default values are assumed. + +Refer to the official libopencv documentation for more precise +informations: +@url{http://opencv.willowgarage.com/documentation/c/image_filtering.html} + +Follows the list of supported libopencv filters. + +@subsection smooth + +Smooth the input video. + +The filter takes the following parameters: @var{type}:@var{param1}:@var{param2}:@var{param3}:@var{param4}. @var{type} is the type of smooth filter to apply, and can be one of @@ -535,9 +552,7 @@ The default value for @var{param1} is 3, the default value for the other parameters is 0. These parameters correspond to the parameters assigned to the -libopencv function @code{cvSmooth}. Refer to the official libopencv -documentation for the exact meaning of the parameters: -@url{http://opencv.willowgarage.com/documentation/c/image_filtering.html} +libopencv function @code{cvSmooth}. @section overlay |