Fix and extend documentation for avfilter_graph_get_filter().

Originally committed as revision 16354 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-26 22:25:47 +00:00 · 2008-12-26 22:25:47 +00:00 · 9864142b6d
parent e916c2ac6a
commit 9864142b6d
1 changed files with 4 additions and 1 deletions
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@ -30,7 +30,10 @@ typedef struct AVFilterGraph {
 } AVFilterGraph;

 /**
- * Get a pointer to a graph by instance name
+ * Get from \p graph a filter instance with name \p name.
+ *
+ * @return the pointer to the found filter instance or NULL if it
+ * cannot be found.
 */
 AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);