@@ -13,6 +13,9 @@ libavutil:   2011-04-18

 API changes, most recent first:

+2012-04-20 - xxxxxxx - lavfi 2.70.100

+  Add avfilter_unref_bufferp() to avfilter.h.

+

 2012-04-12 - xxxxxxx - lavfi 2.68.100

   Install libavfilter/asrc_abuffer.h public header.

@@ -160,6 +160,12 @@ void avfilter_unref_buffer(AVFilterBufferRef *ref)

     av_free(ref);

 }

+void avfilter_unref_bufferp(AVFilterBufferRef **ref)

+{

+    avfilter_unref_buffer(*ref);

+    *ref = NULL;

+}

+

 void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,

                          AVFilterPad **pads, AVFilterLink ***links,

                          AVFilterPad *newpad)

@@ -188,6 +188,15 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);

 void avfilter_unref_buffer(AVFilterBufferRef *ref);

 /**

+ * Remove a reference to a buffer and set the pointer to NULL.

+ * If this is the last reference to the buffer, the buffer itself

+ * is also automatically freed.

+ *

+ * @param ref pointer to the buffer reference

+ */

+void avfilter_unref_bufferp(AVFilterBufferRef **ref);

+

+/**

  * A list of supported formats for one end of a filter link. This is used

  * during the format negotiation process to try to pick the best format to

  * use to minimize the number of necessary conversions. Each filter gives a

@@ -29,7 +29,7 @@

 #include "libavutil/avutil.h"

 #define LIBAVFILTER_VERSION_MAJOR  2

-#define LIBAVFILTER_VERSION_MINOR 70

+#define LIBAVFILTER_VERSION_MINOR 71

 #define LIBAVFILTER_VERSION_MICRO 100

 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \