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Here we suppose the HD camera's index is index.
#ifndef _WAPA_SDK_H
#define _WAPA_SDK_H

#define DLL_EXPORT extern "C" __declspec(dllexport)

#define WAPA_IPC_NOERROR 				0  //No error
#define WAPA_IPC_INVALID_INDEX	 		1  //Invalid index for camera
#define WAPA_IPC_NOT_LOGIN	 			2  //The index is not created
#define WAPA_IPC_NOINIT 				3  //
#define WAPA_IPC_NETINIT_FAILED			4  //Internet initialization failed
#define WAPA_IPC_PARAMETER_ERROR 		5  //Parameter error
#define WAPA_IPC_NETWORK_NOT_CONNECT	6  //Cameras not connected
#define WAPA_IPC_NETWORK_FAIL_CONNECT	7  //Cameras connection failed
#define WAPA_IPC_NETWORK_SEND_ERROR		8  //Send to camera failed
#define WAPA_IPC_NETWORK_RECV_ERROR		9  //Receiving data from cameras failed
#define WAPA_IPC_NETWORK_RECV_TIMEOUT	10 //Time out for receiving data from cameras
#define WAPA_IPC_NETWORK_ERRORDATA		11 //Data transmission error
#define WAPA_IPC_BUSY					12	//Camera busy
#define WAPA_IPC_OPENHOSTSOUND_FAIL 	13  //Open PC sound failed
#define	WAPA_IPC_FILEOPENFAIL			14  //Open file failed
#define WAPA_IPC_FILECHECKFAIL			15	//File checking error
#define WAPA_IPC_FILEFORMAT_ERROR		16  //File fromat error
#define WAPA_IPC_CREATESOCKET_ERROR		17	//Creat socket error
#define WAPA_IPC_SETSOCKET_ERROR		18	//Set up socket error
#define WAPA_IPC_IPMISMATCH				19	//IP address not matching
#define WAPA_IPC_MACMISMATCH			20	//Mac address not matching
#define WAPA_IPC_ALREADY_RECORDING		21	//Already recording and cannot reopen
#define WAPA_IPC_FILE_ALREADY_EXIST		22	//Creat file failed. Name already existed. 
#define	WAPA_IPC_FILE_CREATE_FAILED		23	//Creat new files failed
#define WAPA_IPC_FILE_WRITE_FAILED		24	//File writting failed

//DataCallBack type Parameter
#define DATA_TYPE_HD		0		//HD video data
#define DATA_TYPE_CIF		1		//CIF video data
#define DATA_TYPE_AUDIO		2		//Audio data

//Video callback function, index is camera index, type is frame rate type, pData is frame data's pointer which point lenth is len, bMove is ture which means that the video of this frame rate has motion,param1¡¢param2 is video image's width and height 
typedef BOOL (CALLBACK *DataCallBack)(int index, int type, BYTE* pData, int len, BOOL bMove, int param1 = 0, int param2 = 0);

// Video format Enumerate
typedef enum {
	PAL  = 0,
	NTSC 
}TVFORMAT;

//Motion detection zone
typedef struct _DETECTRECT{
	int		width;			//Correspond to the width of camera's HD bit rate
	int		height;			// Correspond to the height of camera's HD bit rate
	BYTE	block[20][15];	//It is to divide video into 64X48 blocks. Blocks are the two-dimensional arrays which are chosen or not chosen. For example: The third and tenth blocks at the second line are chosen. Then, block[1][2] = 1£¬block[1][9] = 1£¬the ones not chosen are 0.
}DETECTRECT;

DLL_EXPORT	int	WAPA_IPC_Init(TVFORMAT tvf);						// SDK initialization. Tvf Variable designates video format. 0 stands for PAL, 1 stands for NTSC.
DLL_EXPORT	int	WAPA_IPC_Cleanup();									//Release SDK. It will close all the cameras connection when using at the time of program Exit.
DLL_EXPORT	int	WAPA_IPC_SetDataCallBack(DataCallBack fData);		// Set up video call-back function

DLL_EXPORT	int	WAPA_IPC_Login(char* sCameraIP);					// Connect to the network camera which the character string the sCameraIP points to. If failed, it returns to -1; If successeed,it will return to camera index. And this index can be used afterwards. 
DLL_EXPORT	int	WAPA_IPC_Logout(int index);							// Disconnect the index network camera

DLL_EXPORT	int	WAPA_IPC_RealPlay(int index, HWND hWnd, BOOL bCif);	//Preview, index is camera's index, hWnd is the preview's window handle, bCif control is small bit rate if displaying true and high bit rate if dispalying false.
DLL_EXPORT	int	WAPA_IPC_StopRealPlay(int index, BOOL bCif);		//Stop the index camera's preview. bCif is to stop the preview's bit rate. It is the same as WAPA_IPC_RealPlay.

DLL_EXPORT	int	WAPA_IPC_StartDecodeHD(int index);					//Open index camera's HD bit rate decode
DLL_EXPORT	int	WAPA_IPC_StopDecodeHD(int index);					//Close index camera's HD bit rate decode
DLL_EXPORT	int	WAPA_IPC_StartDecodeCif(int index);					//Open index camera's CIF bit rate decode
DLL_EXPORT	int	WAPA_IPC_StopDecodeCif(int index);					//Close index camera's CIF bit rate decode

DLL_EXPORT	int	WAPA_IPC_StartRecordHD(int index, char* pFileName);	//Open index'camera's HD bit rate recording, pFileName is the pointer which points to the file name string
DLL_EXPORT	int	WAPA_IPC_StopRecordHD(int index);					//Close the index camera's HD bit rate recording
DLL_EXPORT	int	WAPA_IPC_StartRecordCif(int index, char* pFileName);/ Open the index camera's CIF bit rate recording, pFileName is the pointer which points to the file name string
DLL_EXPORT	int	WAPA_IPC_StopRecordCif(int index);					//Close index camera's CIF bit rate recording

DLL_EXPORT	int	WAPA_IPC_StartListen(int index);					//Open the index camera's audio monitoring, only supports one camera at the same time, If multi-channel monitoring, then the audio will be from the last channel.
DLL_EXPORT	int	WAPA_IPC_StopListen();								//Close audio monitoring

DLL_EXPORT	int	WAPA_IPC_GetVersion(int index, DWORD& dwVersion);	// Obtain the index camera's software version no., The four bytes of DWORD save the version number with 4-byte in sequence.

DLL_EXPORT	int	WAPA_IPC_UpdateCamera(int index, char* pFileName);	//Upgrade the index camera's programme. The updated file is the character string which pFileName points to 

DLL_EXPORT	int	WAPA_IPC_SET_IP(int index, long longIP);			//Setup the index camera's IP address. longIP is a 4-byte IPv4 address and it can be obtained by the conversion from inet_addr to IP character string.
DLL_EXPORT	int	WAPA_IPC_SET_Resolution(int index, int resolution);	//Setup the index camera's resolution. When the value of resolution is 2,the image ratio is : 4:3 and the resolution of HD bit rate is 960*720;When the value of resolution is 4,the image ratio is : 16:9 and the resolution of HD bit rate is 1280*720.
DLL_EXPORT	int	WAPA_IPC_SET_ManualReduce(int index, int reduce);	// Setup the index camera's frame rate to be reduced manually. Reduce values is 1-4. 2 is 1/2, 3 is 1/4, 4 is 1/4. 
DLL_EXPORT	int	WAPA_IPC_SET_AutoReduce(int index, int reduce);		//setup the index camera's frame rate to be reduced automatically,  0 stands for off and 1 stands for on.
DLL_EXPORT	int	WAPA_IPC_SET_EdgeGain(int index, int gain);			//setup the index camera's image enhancement, 0 stands for off and 1 stands for on
DLL_EXPORT	int	WAPA_IPC_SET_RGB(int index, int r, int g, int b);	//Setup the index camera's color. r,g,b represent the red,green and blue respectively
DLL_EXPORT	int	WAPA_IPC_SET_IRCard(int index, int oper);			//Setup the index camera's IR cut parameters, the value of oper:0-100
DLL_EXPORT	int	WAPA_IPC_SET_LightType(int index, int oper);		//Setup the index camera's light type.The value of oper is 0 or 1, 0 stands for natural light, 1 stands for lamp light.
DLL_EXPORT	int	WAPA_IPC_SET_Exposure(int index, int oper);			//Setup the index camera's exposure mode. 0 stands for Brightest part priority,1 stands for Darker part priority,2 stands for Brighter part priority,3 stands for Darkest part priority.
DLL_EXPORT	int	WAPA_IPC_SET_DetectSens(int index, int sensitive);	//Setup the index camera's motion detection sensitivity. The value of sensitivity:0-4, 0 stands for the lowest, 4 stands for the highest.

DLL_EXPORT	int	WAPA_IPC_SET_DetectRect(int index, DETECTRECT rect);//Setup the index  camera's motion detection area,pls refer to detailed DETECTRECT instruct description 

#endif