Make avfilter_unref_buffer() accept a NULL parameter.
authorStefano Sabatini <stefano.sabatini-lala@poste.it>
Sat, 15 Jan 2011 17:21:15 +0000 (17:21 +0000)
committerStefano Sabatini <stefano.sabatini-lala@poste.it>
Sat, 15 Jan 2011 17:21:15 +0000 (17:21 +0000)
Originally committed as revision 26373 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfilter.c
libavfilter/avfilter.h

index 6ecd4ce..4fbb6bf 100644 (file)
@@ -70,6 +70,8 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
 
 void avfilter_unref_buffer(AVFilterBufferRef *ref)
 {
+    if (!ref)
+        return;
     if (!(--ref->buf->refcount))
         ref->buf->free(ref->buf);
     av_free(ref->video);
index a3c51e0..5b08941 100644 (file)
@@ -28,7 +28,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR  1
 #define LIBAVFILTER_VERSION_MINOR 73
-#define LIBAVFILTER_VERSION_MICRO  1
+#define LIBAVFILTER_VERSION_MICRO  2
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \
@@ -177,7 +177,7 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);
  * Remove a reference to a buffer. If this is the last reference to the
  * buffer, the buffer itself is also automatically freed.
  *
- * @param ref reference to the buffer
+ * @param ref reference to the buffer, may be NULL
  */
 void avfilter_unref_buffer(AVFilterBufferRef *ref);