@@ -35,7 +35,7 @@

 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)

 #define LIBAVUTIL_VERSION_MAJOR 50

-#define LIBAVUTIL_VERSION_MINOR  2

+#define LIBAVUTIL_VERSION_MINOR  3

 #define LIBAVUTIL_VERSION_MICRO  0

 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

@@ -54,6 +54,11 @@ int av_fifo_size(AVFifoBuffer *f)

     return (uint32_t)(f->wndx - f->rndx);

 }

+int av_fifo_space(AVFifoBuffer *f)

+{

+    return f->end - f->buffer - av_fifo_size(f);

+}

+

 int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size) {

     unsigned int old_size= f->end - f->buffer;

@@ -62,6 +62,14 @@ void av_fifo_reset(AVFifoBuffer *f);

 int av_fifo_size(AVFifoBuffer *f);

 /**

+ * Returns the amount of space in bytes in the AVFifoBuffer, that is the

+ * amount of data you can write into it.

+ * @param *f AVFifoBuffer to write into

+ * @return size

+ */

+int av_fifo_space(AVFifoBuffer *f);

+

+/**

  * Feeds data from an AVFifoBuffer to a user-supplied callback.

  * @param *f AVFifoBuffer to read from

  * @param buf_size number of bytes to read