int *avfilter_make_format_list(int len, ...);
+typedef struct AVFilterGraph AVFilterGraph;
+
+/**
+ * Create a new filter graph
+ */
+AVFilterGraph *avfilter_create_graph(void);
+
+/**
+ * Destroy a filter graph, and any filters in it.
+ * @param graph The filter graph to destroy
+ */
+void avfilter_destroy_graph(AVFilterGraph *graph);
+
+/**
+ * Add an existing filter instance to a filter graph.
+ * @param graph The filter graph
+ * @param filter The filter to be added
+ */
+void avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter);
+
#endif /* FFMPEG_AVFILTER_H */