#ifndef _CAUDIOTRANSMISSION_H_
#define _CAUDIOTRANSMISSION_H_

#include "stdafx.h"
#include <string.h>
#include <stdio.h>

#include "SpBase.h"
#include "iaudiotransinterface.h"
#include "..\\..\\Other\libaudiotransqueue\libaudiotransqueue.h"

#ifndef DEFAULT_VTMASR_SERVER_URL
#define DEFAULT_VTMASR_SERVER_URL "http://vtmasr.paas.cmbchina.cn/"
#endif // !DEFAULT_VTMASR_SERVER_URL


#ifndef DEFAULT_CONNECT_TIMEOUT 
#define DEFAULT_CONNECT_TIMEOUT 180
#endif // !DEFAULT_CONNECT_TIMEOUT 


#ifndef DEFAULT_MAX_AUDIO_SEND_SIZE
#define DEFAULT_MAX_AUDIO_SEND_SIZE 6400
#endif // !DEFAULT_MAX_AUDIO_SEND_SIZE

#ifndef MIN_URL_LEN
#define MIN_URL_LEN 5
#endif

#ifndef MAX_PATH
#define MAX_PATH          260
#endif

#ifndef SINGLE_AUDIO_FRAME_SIZE
#define SINGLE_AUDIO_FRAME_SIZE 640
#endif


#ifndef AUDIO_TRANS_INTERVAL_TIME 
#define AUDIO_TRANS_INTERVAL_TIME	10
#endif


#ifndef MAX_TRANSFAILED_COUNT
#define MAX_TRANSFAILED_COUNT	5
#endif // !MAX_TRANSFAILED_COUNT


#define LOG_EVT_AUDIOSTREAM_TRANSMISSION_FAILED			0x31600001				//音频流传输失败


enum eAudioFrameFlag
{
	eAudioFrameInit,
	eAudioFrameFirst,				//起始音频帧
	eAudioFrameCountinue,			//非起始结束音频帧
	eAudioFrameLast,				//结束音频帧
	eAudioFrameComplete	
};


typedef IAudioTrans* (*cpprestful_create)();
typedef void (*cpprestful_destory)(IAudioTrans* pIAudioTrans);

typedef struct asr_server_info_s{
	cpprestful_create fCreateObj;
	cpprestful_destory fDestoryObj;
	char strMainServerURL[MAX_PATH];
	char strBackupServerURL[MAX_PATH];
	int iTimeOut;
	int iMaxAudioSize;
}asr_server_info_t;


class  Caudiotransmission
{
public:
	Caudiotransmission(asr_server_info_t* pAsrServerInfo);
	~Caudiotransmission(void);

	int InitAudioTransmission();

	int StartAudioTransmission(const char* strAudioQueue, void* pBlob, size_t uLen);
	int StopAudioTransmission();

	int AudioTransmissionThreadFunc();
	void HandleAudioTransException();
	eAudioFrameFlag TansferAudioBlockFlag(eAudioFrameFlag eFlag);

private:
	char m_AudioQueueName[MAX_PATH];

	char m_strMainServerURL[MAX_PATH];
	char m_strBackupServerURL[MAX_PATH];
	IAudioTrans* m_pIAudioTransObj;		// restful transmission object
	int m_iTimeOut;						// 链接超时时间
	int m_iMaxAudioSize;				// 发送音频包最大大小
	cpprestful_create m_fCreateObj;
	cpprestful_destory m_fDestoryObj;

	Clibaudiotransqueue* m_salestransaudioqueue;

	HANDLE m_hEventStop;				// CreateEvent
	HANDLE m_hAudioTransThread;
	DWORD m_nAudioTransThreadId;
};


#endif