Use a filter graph description for creating simple chain graphs so we

can reuse the same graph creation code.

Commited in SoC by Bobby Bingham on 2007-12-22 19:13:04

Originally committed as revision 12715 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 8 insertions, 0 deletions

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index a96dfb8037..385fdb788d 100644
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -86,6 +86,14 @@ typedef struct
     AVFilterGraphDescExport **outputp;  ///< last parsed exported output
 } AVFilterGraphDescParser;
 
+/**
+ * Parse a graph composed of a simple chain of filters which is described by
+ * a single string.
+ * @param filters String listing filters and their arguments.
+ * @return        The parsed graph description.
+ */
+AVFilterGraphDesc *avfilter_graph_parse_chain(const char *filters);
+
 /** Parse a line of a filter graph description.
  * @param desc   Pointer to an AVFilterGraphDesc pointer. If *desc is NULL,
  *               a new AVFilterGraphDesc structure will be created for you.