Yamaha SMAF file format support patch by (Vidar Madsen: vidarino, gmail com)

Originally committed as revision 4444 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/avformat.h

@@ -462,6 +462,9 @@ int amr_init(void);
 /* wav.c */
 int ff_wav_init(void);
 
+/* mmf.c */
+int ff_mmf_init(void);
+
 /* raw.c */
 int pcm_read_seek(AVFormatContext *s, 
                   int stream_index, int64_t timestamp, int flags);