【General】Starting Two Way Audio

サンプルプログラム

//
// Device Network SDK (General)
// Sample Code of Starting Two-way Audio
//
#include <stdio.h>
#include <iostream>
#include “Windows.h”
#include “HCNetSDK.h”
using namespace std;

void CALLBACK fVoiceDataCallBack(LONG lVoiceComHandle, char *pRecvDataBuffer, DWORD dwBufSize, BYTE byAudioFlag, void* pUser)
{
printf(“receive voice data, %d\n”, dwBufSize);
}

void main() {
//—————————————
// Initialize
NET_DVR_Init();
//Set connection time and reconnection time
NET_DVR_SetConnectTime(2000, 1);
NET_DVR_SetReconnect(10000, true);

//—————————————
// Log in to device
LONG lUserID;

//Login parameters, including device IP address, user name, password, and so on.
NET_DVR_USER_LOGIN_INFO struLoginInfo = {0};
struLoginInfo.bUseAsynLogin = 0; //Synchronous login mode
strcpy(struLoginInfo.sDeviceAddress, “192.0.0.64”); //IP address
struLoginInfo.wPort = 8000; //Service port
strcpy(struLoginInfo.sUserName, “admin”); //User name
strcpy(struLoginInfo.sPassword, “abcd1234”); //Password

//Device information, output parameters
NET_DVR_DEVICEINFO_V40 struDeviceInfoV40 = {0};
lUserID = NET_DVR_Login_V40(&struLoginInfo, &struDeviceInfoV40);

if (lUserID < 0)
{
printf(“Login failed, error code: %d\n”, NET_DVR_GetLastError());
NET_DVR_Cleanup();
return;
}

//Start two-way audio
LONG lVoiceHanle;
lVoiceHanle = NET_DVR_StartVoiceCom_V30(lUserID, 1,0, fVoiceDataCallBack, NULL);
if (lVoiceHanle < 0)
{
printf(“NET_DVR_StartVoiceCom_V30 error, %d!\n”, NET_DVR_GetLastError());
NET_DVR_Logout(lUserID);
NET_DVR_Cleanup();
return;
}

Sleep(5000); //millisecond
//Stop two-way audio
if (!NET_DVR_StopVoiceCom(lVoiceHanle))
{
printf(“NET_DVR_StopVoiceCom error, %d!\n”, NET_DVR_GetLastError());
NET_DVR_Logout(lUserID);
NET_DVR_Cleanup();
return;
}

//Log out
NET_DVR_Logout(lUserID);
//Release SDK resource
NET_DVR_Cleanup();
return;
}