@@ -125,6 +125,11 @@ int av_buffer_is_writable(const AVBufferRef *buf)

     return avpriv_atomic_int_get(&buf->buffer->refcount) == 1;

 }

+void *av_buffer_get_opaque(const AVBufferRef *buf)

+{

+    return buf->buffer->opaque;

+}

+

 int av_buffer_make_writable(AVBufferRef **pbuf)

 {

     AVBufferRef *newbuf, *buf = *pbuf;

@@ -122,7 +122,7 @@ AVBufferRef *av_buffer_allocz(int size);

  * @param data   data array

  * @param size   size of data in bytes

  * @param free   a callback for freeing data

- * @param opaque parameter to be passed to free

+ * @param opaque parameter to be got for processing or passed to free

  * @param flags  a combination of AV_BUFFER_FLAG_*

  *

  * @return an AVBufferRef referring to data on success, NULL on failure.

@@ -163,6 +163,11 @@ void av_buffer_unref(AVBufferRef **buf);

 int av_buffer_is_writable(const AVBufferRef *buf);

 /**

+ * @return the opaque parameter set by av_buffer_create.

+ */

+void *av_buffer_get_opaque(const AVBufferRef *buf);

+

+/**

  * Create a writable reference from a given buffer reference, avoiding data copy

  * if possible.

  *

@@ -75,8 +75,8 @@

  */

 #define LIBAVUTIL_VERSION_MAJOR  52

-#define LIBAVUTIL_VERSION_MINOR  22

-#define LIBAVUTIL_VERSION_MICRO 101

+#define LIBAVUTIL_VERSION_MINOR  23

+#define LIBAVUTIL_VERSION_MICRO 100

 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

                                                LIBAVUTIL_VERSION_MINOR, \