Commit bd283738 authored by Stefano Sabatini's avatar Stefano Sabatini

Document slice ordering assumption required by avfilter_draw_slice().

The assumption depends on the corresponding assumption done by
sws_scale() and by the scale filter.

Originally committed as revision 20655 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 87f68060
......@@ -558,6 +558,11 @@ void avfilter_end_frame(AVFilterLink *link);
/**
* Sends a slice to the next filter.
*
* Slices have to be provided in sequential order, either in
* top-bottom or bottom-top order. If slices are provided in
* non-sequential order the behavior of the function is undefined.
*
* @param link the output link over which the frame is being sent
* @param y offset in pixels from the top of the image for this slice
* @param h height of this slice in pixels
......
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