libvpx: support vp9

[ffmpeg] / libavfilter / avfiltergraph.h

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index 0d250df614f4aa9856f05ccba04ab688e7bad91d..7c4672dbc91a7371d6f1ae2446bf0d5b0910d8c9 100644 (file)
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -26,9 +26,7 @@
 #include "libavutil/log.h"
 
 typedef struct AVFilterGraph {
-#if FF_API_GRAPH_AVCLASS
     const AVClass *av_class;
-#endif
     unsigned filter_count;
     AVFilterContext **filters;
 
@@ -111,6 +109,19 @@ typedef struct AVFilterInOut {
     struct AVFilterInOut *next;
 } AVFilterInOut;
 
+/**
+ * Allocate a single AVFilterInOut entry.
+ * Must be freed with avfilter_inout_free().
+ * @return allocated AVFilterInOut on success, NULL on failure.
+ */
+AVFilterInOut *avfilter_inout_alloc(void);
+
+/**
+ * Free the supplied list of AVFilterInOut and set *inout to NULL.
+ * If *inout is NULL, do nothing.
+ */
+void avfilter_inout_free(AVFilterInOut **inout);
+
 /**
  * Add a graph described by a string to a graph.
  *