[FFmpeg-cvslog] r26323 - in trunk/libavfilter: avfilter.h avfiltergraph.c avfiltergraph.h

[stefano]

Author: stefano
Date: Wed Jan 12 22:23:16 2011
New Revision: 26323

Log:
Make avfilter_graph_free() do nothing if graph is NULL.

Modified:
   trunk/libavfilter/avfilter.h
   trunk/libavfilter/avfiltergraph.c
   trunk/libavfilter/avfiltergraph.h

Modified: trunk/libavfilter/avfilter.h
==============================================================================
--- trunk/libavfilter/avfilter.h	Wed Jan 12 19:25:03 2011	(r26322)
+++ trunk/libavfilter/avfilter.h	Wed Jan 12 22:23:16 2011	(r26323)
@@ -28,7 +28,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR  1
 #define LIBAVFILTER_VERSION_MINOR 73
-#define LIBAVFILTER_VERSION_MICRO  0
+#define LIBAVFILTER_VERSION_MICRO  1
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \

Modified: trunk/libavfilter/avfiltergraph.c
==============================================================================
--- trunk/libavfilter/avfiltergraph.c	Wed Jan 12 19:25:03 2011	(r26322)
+++ trunk/libavfilter/avfiltergraph.c	Wed Jan 12 22:23:16 2011	(r26323)
@@ -34,6 +34,8 @@ AVFilterGraph *avfilter_graph_alloc(void
 
 void avfilter_graph_free(AVFilterGraph *graph)
 {
+    if (!graph)
+        return;
     for (; graph->filter_count > 0; graph->filter_count --)
         avfilter_free(graph->filters[graph->filter_count - 1]);
     av_freep(&graph->scale_sws_opts);

Modified: trunk/libavfilter/avfiltergraph.h
==============================================================================
--- trunk/libavfilter/avfiltergraph.h	Wed Jan 12 19:25:03 2011	(r26322)
+++ trunk/libavfilter/avfiltergraph.h	Wed Jan 12 22:23:16 2011	(r26323)
@@ -79,7 +79,7 @@ int avfilter_graph_create_filter(AVFilte
 int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
 
 /**
- * Free a graph and destroy its links.
+ * Free a graph and destroy its links, graph may be NULL.
  */
 void avfilter_graph_free(AVFilterGraph *graph);