mp3locals.h

基于mips架构的ATI-XILLEON 226的mp3解码程序

#ifndef _MP3DEC_H_
#define _MP3DEC_H_

#include "mad.h"
#include "mp3decode.h"

#define MP3DEC_ERR_GENERAL	(-1)	/* 一般出错 */
#define MP3DEC_ERR_FATAL	(-2)	/* 致命出错 */
#define MP3DEC_OK		(0)	/* 正常解码 */
#define MP3DEC_ERR_DATAREQ	(1)	/* 输入缓冲区欠载 */
#define MP3DEC_ERR_OUTPUTBUF 	(2)	/* 输出缓冲区不够大 */
#define MP3DEC_ERR_CANRECOV 	(3)	/* 可恢复的错误 */

#undef  INPUT_BUFFER_SIZE
#define INPUT_BUFFER_SIZE	(1*8192) /* 解码内部缓冲区大小 */

typedef struct tagMp3DecodeCtrl
{
	struct mad_stream	Stream ;
	struct mad_frame	Frame ;
	struct mad_synth	Synth ;
	mad_timer_t		Timer ;
	
	int 		r_h ; /* ring-buffer OP handle, data is store in ring-buffer*/
	
	unsigned char 	*outbuf ;
	int 		outbuf_len ;
	int 		output_len ;
	
	unsigned char	InputBuffer[INPUT_BUFFER_SIZE+MAD_BUFFER_GUARD] ; /* Inteal buffer */
	unsigned long	FrameCount ;
	
	Mp3Option_t 	*pMp3Option ;
	Mp3Info_t 	*pMp3Info ;	/* store info for mp3 */
} Mp3DecodeCtrl_t, *pMp3DecodeCtrl_t ;

int Mp3DecodeStart(Mp3DecodeCtrl_t *pMp3DecCtrl) ;
int Mp3DecodeFrame(Mp3DecodeCtrl_t *pMp3DecCtrl) ;
int Mp3DecodeEnd(Mp3DecodeCtrl_t *pMp3DecCtrl) ;

#endif /* end #ifdef _MP3DEC_H_ */