avfilter: Document avfilter_graph_alloc return value

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Federico Tomassetti 2015-03-21 10:44:57 +00:00 committed by Luca Barbato
parent 27aa1ff35a
commit cfe6461392

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@ -1004,6 +1004,8 @@ typedef struct AVFilterGraph {
/**
* Allocate a filter graph.
*
* @return the allocated filter graph on success or NULL.
*/
AVFilterGraph *avfilter_graph_alloc(void);