unrolling encoding loops

[ffmpeg] / libavfilter / avfiltergraph.h

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index 58afa04cea929c0be145a0aa341643d3347e314c..716d9199f1c5e85d01dc738db6953ac10a5fe42b 100644 (file)
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -19,8 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_AVFILTERGRAPH_H
-#define FFMPEG_AVFILTERGRAPH_H
+#ifndef AVFILTER_AVFILTERGRAPH_H
+#define AVFILTER_AVFILTERGRAPH_H
 
 #include "avfilter.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);
 
@@ -39,21 +42,26 @@ AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
  * @param graph  The filter graph
  * @param filter The filter to be added
  */
-void avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
+int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
 
 /**
- * Configure the formats of all the links in the graph.
+ * Check for the validity of \p graph.
+ *
+ * A graph is considered valid if all its input and output pads are
+ * connected.
+ *
+ * @return 0 in case of success, a negative value otherwise
  */
-int avfilter_graph_config_formats(AVFilterGraph *graphctx);
+int avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
 
 /**
- * Configure the parameters (resolution, etc) of all links in the graph.
+ * Configure the formats of all the links in the graph.
  */
-int avfilter_graph_config_links(AVFilterGraph *graphctx);
+int avfilter_graph_config_formats(AVFilterGraph *graphctx);
 
 /**
  * Free a graph and destroy its links.
  */
 void avfilter_destroy_graph(AVFilterGraph *graph);
 
-#endif  /* FFMPEG_AVFILTERGRAPH_H */
+#endif  /* AVFILTER_AVFILTERGRAPH_H */