T555/app/learn/learnAudio.h

#ifndef _LEARN_AUDIO_H_
#define _LEARN_AUDIO_H_

#ifdef ENABLE_ENABLE_AMRNB
#include "wamr.h"
#endif
#ifdef ENABLE_ENABLE_SPEEX
#include "speex.h"
#endif

#define MAX_FRAMES_TOTAL (1*60*50)  //1分钟最多存的帧数

#ifdef ENABLE_ENABLE_AMRNB
#define FRAME_PER_SIZE 32 //压缩后每帧大小
#define FRAME_ENCODE_TYPE 0x3c
#endif
#ifdef ENABLE_ENABLE_SPEEX
/*
编码等级    :  0  |  1  |   2  | 3/4| 5/6 | 7/8  |  9   | 10
编码后字节数:  6  |  10 |  15  | 20 | 28  |  38  |  46  | 62
压缩率%     :1.875|3.125|4.6875|6.25|8.75 |11.875|14.375|19.375
比特率bps   :2400 |4000 | 6000 |8000|11200|15200 |18400 |24800
*/
#define FRAME_QULITY   5
#define FRAME_PER_SIZE 28
#endif

typedef enum{
	LEARN_PLY_IDLE,
	LEARN_PLY_BUSY,
	LEARN_PLY_PRE_ERR,
	LEARN_PLY_FAILED,
	LEARN_PLY_DONE
}LEARN_PLY_ENUM;

typedef struct{
	unsigned char *pcm;
	unsigned int frameNum;
	unsigned short frameSize;
	unsigned int plyNum;
#ifdef ENABLE_ENABLE_SPEEX
	void *speexCt;
	SpeexBits bits;
#endif
	unsigned char playType;//播放类型:0 播放临时录音 1 播放本地录音
	bool stopPlay;//用于停止正在播放的操作
	int fd;//用于播放本地录音文件使用
}LEARN_REC_DEF;

bool learnStartRecord(unsigned char charaNum);
void learnStopRecord(void);
void learnRecordFree(void);
void learnRecordBufRelease(void);
void learnPlayAudio(unsigned char type, const char *fname);
LEARN_PLY_ENUM learnPlyGetResult(void);
unsigned char learnGetAudioType(void);
void learnStopPlaying(void);
void recordSaveTmpToLocal(char *fileName);
unsigned char *learnGetTmpAudioBuf(void);
unsigned int learnGetTmpAudioLength(void);
unsigned short learnGetRecordMaxVolume(void);
float learnGetRecordRecSpeed(void);

//#define SAVE_PCM_SD

#ifdef SAVE_PCM_SD
void pcmFileOpen(void);
void pcmFileClose(void);
#endif
#endif