initial commit

lib/amb1_sdk/common/audio/mp3/mp3_codec.h

@@ -0,0 +1,30 @@
+#ifndef __MINIMP3_DEC_H_INCLUDED__
+#define __MINIMP3_DEC_H_INCLUDED__
+
+#define MP3_MAX_SAMPLES_PER_FRAME (1152*2)
+
+#include <stdio.h>
+#include <stdint.h>
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#ifndef M_PI
+#define M_PI (3.14159265358979323846)
+#endif
+
+typedef struct _mp3_info {
+    int sample_rate;
+    int channels;
+    int audio_bytes;  // generated amount of audio per frame
+} mp3_info_t;
+
+typedef void* mp3_decoder_t;
+
+extern mp3_decoder_t mp3_create(void);
+extern int mp3_decode(mp3_decoder_t *dec, void *buf, int bytes, signed short *out, mp3_info_t *info);
+extern void mp3_done(mp3_decoder_t *dec);
+#define mp3_free(dec) do { mp3_done(dec); dec = NULL; } while(0)
+
+#endif//__MINIMP3_DEC_H_INCLUDED__