+#ifndef __COMMON_MP3_H__
+#define __COMMON_MP3_H__
+
+#include <stdio.h>
+
+int mp3_find_sync_word(const unsigned char *buf, int size);
+
+/* decoder */
+int mp3dec_start(void);
+int mp3dec_decode(FILE *f, int *file_pos, int file_len);
+
+extern unsigned short mpeg1_l3_bitrates[16];