From: Federico Tomassetti <[email protected]>
---
libavfilter/avfilter.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 1b42086..5c41630 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -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);
--
2.1.0
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