166VS2022调试通过海康人脸抓拍SDK的C++代码

Posted 2022-12-03 zhangchao19890805

具体的开发环境配置方法可以参考 【160】VS2022调试通过海康摄像头烟火识别SDK

下面是人脸抓拍的C++代码，把原来示例中的CreateFile函数改成了CreateFileA函数，避免出现无法创建文件的BUG。具体原因可以参考 【164】VS2022下VC++调用CreateFile文件名不能接受char*，包括强制转换成LPCWSTR的char*也会出错

#include <stdio.h>
#include <iostream>
#include "Windows.h"
#include "HCNetSDK.h"
using namespace std;

//时间解析宏定义
#define GET_YEAR(_time_)      (((_time_)>>26) + 2000) 
#define GET_MONTH(_time_)     (((_time_)>>22) & 15)
#define GET_DAY(_time_)       (((_time_)>>17) & 31)
#define GET_HOUR(_time_)      (((_time_)>>12) & 31) 
#define GET_MINUTE(_time_)    (((_time_)>>6)  & 63)
#define GET_SECOND(_time_)    (((_time_)>>0)  & 63)

void CALLBACK cbMessageCallback(LONG lCommand, NET_DVR_ALARMER* pAlarmer, char* pAlarmInfo, DWORD dwBufLen, void* pUser)

	NET_DVR_ALARMINFO_V30* netDvrAlarminfoV30 = NULL;


	size_t length = strlen(pAlarmInfo);
	switch (lCommand)
	
	case COMM_UPLOAD_FACESNAP_RESULT: //人脸抓拍报警信息
	
		NET_VCA_FACESNAP_RESULT struFaceSnap =  0 ;
		memcpy(&struFaceSnap, pAlarmInfo, sizeof(NET_VCA_FACESNAP_RESULT));

		NET_DVR_TIME struAbsTime =  0 ;
		struAbsTime.dwYear = GET_YEAR(struFaceSnap.dwAbsTime);
		struAbsTime.dwMonth = GET_MONTH(struFaceSnap.dwAbsTime);
		struAbsTime.dwDay = GET_DAY(struFaceSnap.dwAbsTime);
		struAbsTime.dwHour = GET_HOUR(struFaceSnap.dwAbsTime);
		struAbsTime.dwMinute = GET_MINUTE(struFaceSnap.dwAbsTime);
		struAbsTime.dwSecond = GET_SECOND(struFaceSnap.dwAbsTime);

		//保存抓拍场景图片
		if (struFaceSnap.dwBackgroundPicLen > 0 && struFaceSnap.pBuffer2 != NULL)
		
			char cFilename[256] =  0 ;
			HANDLE hFile;
			DWORD dwReturn;

			char chTime[128];
			sprintf_s(chTime, "%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d", struAbsTime.dwYear, struAbsTime.dwMonth, struAbsTime.dwDay, struAbsTime.dwHour, struAbsTime.dwMinute, struAbsTime.dwSecond);

//			sprintf_s(cFilename, "FaceSnapBackPic[%s][%s].jpg", struFaceSnap.struDevInfo.struDevIP.sIpV4, chTime);
			sprintf_s(cFilename, "D:\\\\yourfolder\\\\FaceSnapBackPic[%s][%s].jpg", struFaceSnap.struDevInfo.struDevIP.sIpV4, chTime);

			hFile = CreateFileA(cFilename, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
			if (hFile == INVALID_HANDLE_VALUE)
			
				cout << "hFile INVALID_HANDLE_VALUE" << endl;
				break;
			
			WriteFile(hFile, struFaceSnap.pBuffer2, struFaceSnap.dwBackgroundPicLen, &dwReturn, NULL);
			CloseHandle(hFile);
			hFile = INVALID_HANDLE_VALUE;
		

		cout << "FaceCaptureAlarm" << endl;

//		printf("人脸抓拍报警[0x%x]: Abs[%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d] Dev[ip:%s,port:%d,ivmsChan:%d] \\n", \\
//			lCommand, struAbsTime.dwYear, struAbsTime.dwMonth, struAbsTime.dwDay, struAbsTime.dwHour, \\
//			struAbsTime.dwMinute, struAbsTime.dwSecond, struFaceSnap.struDevInfo.struDevIP.sIpV4, \\
//			struFaceSnap.struDevInfo.wPort, struFaceSnap.struDevInfo.byIvmsChannel);
	
	break;
	case COMM_VCA_ALARM: // 0x4993 智能检测通用报警(Json或者XML数据结构)
		cout << endl;
		cout << "BEGIN COMM_VCA_ALARM" << endl;
		cout << pAlarmInfo << endl;
		cout << "END   COMM_VCA_ALARM" << endl;
		cout << endl;
	break;
	case COMM_ALARM_V30:
//		dwAlarmType
//		报警类型：0 - 信号量报警，1 - 硬盘满，2 - 信号丢失，3 - 移动侦测，4 - 硬盘未格式化，5 - 读写硬盘出错，
//		6 - 遮挡报警，7 - 制式不匹配，8 - 非法访问，9 - 视频信号异常，10 - 录像 / 抓图异常，11 - 智能场景变化，12 - 阵列异常，
//		13 - 前端 / 录像分辨率不匹配，15 - 智能侦测，16 - POE供电异常，17 - 闪光灯异常，18 - 磁盘满负荷异常报警，19 - 音频丢失，
//		23 - 脉冲报警，24 - 人脸库硬盘异常，25 - 人脸库变更，26 - 人脸库图片变更
		netDvrAlarminfoV30 = (NET_DVR_ALARMINFO_V30*)pAlarmInfo;
		cout << "COMM_ALARM_V30  " << "pAlarmInfo.dwAlarmType=" << netDvrAlarminfoV30->dwAlarmType << endl;
	break;
	default:
		printf("其他报警，报警信息类型: 0x%x\\n", lCommand);
		break;
	

	return;


//int main() 
//	RyUtils::charTo01('啊');
//


int main(int argc, char* argv[]) 
	cout << "The program starts." << endl;
	if (argc < 2) 
		cout << "NoIP" << endl;
		return 0;
	
	char* ip = argv[1];
	cout << ip << endl;
	
	//---------------------------------------
	// 初始化
	NET_DVR_Init();
	// 初始化后开始记录日志
	char arr[] = "D:\\\\your_log_dir\\\\face_capture\\\\";
	char* logFileDir = arr;
	NET_DVR_SetLogToFile(3, logFileDir, FALSE);

	//设置连接时间与重连时间
	NET_DVR_SetConnectTime(2000, 1);
	NET_DVR_SetReconnect(10000, true);

	//---------------------------------------
	// 注册设备
	LONG lUserID;

	//登录参数，包括设备地址、登录用户、密码等
	NET_DVR_USER_LOGIN_INFO struLoginInfo =  0 ;
	struLoginInfo.bUseAsynLogin = 0; //同步登录方式
	strcpy_s(struLoginInfo.sDeviceAddress, ip); //设备IP地址
	struLoginInfo.wPort = 8000; //设备服务端口
	strcpy_s(struLoginInfo.sUserName, "your_username"); //设备登录用户名
	strcpy_s(struLoginInfo.sPassword, "your_password"); //设备登录密码

	//设备信息, 输出参数
	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 0;
	

	//设置报警回调函数
	// 注：多台设备对接时也只需要调用一次设置一个回调函数，不支持不同设备的事件在不同的回调函数里面返回
	NET_DVR_SetDVRMessageCallBack_V50(0, cbMessageCallback, NULL);

	//启用布防
	LONG lHandle;
	NET_DVR_SETUPALARM_PARAM  struAlarmParam =  0 ;
	struAlarmParam.dwSize = sizeof(struAlarmParam);
	struAlarmParam.byFaceAlarmDetection = 0; //人脸抓拍报警，上传COMM_UPLOAD_FACESNAP_RESULT类型报警信息
	//其他报警布防参数不需要设置，不支持

	lHandle = NET_DVR_SetupAlarmChan_V41(lUserID, &struAlarmParam);
	if (lHandle < 0)
	
		printf("NET_DVR_SetupAlarmChan_V41 error, %d\\n", NET_DVR_GetLastError());
		NET_DVR_Logout(lUserID);
		NET_DVR_Cleanup();
		return 0;
	

	Sleep(120000); //等待过程中，如果设备上传报警信息，在报警回调函数里面接收和处理报警信息

	//撤销布防上传通道
	if (!NET_DVR_CloseAlarmChan_V30(lHandle))
	
		printf("NET_DVR_CloseAlarmChan_V30 error, %d\\n", NET_DVR_GetLastError());
		NET_DVR_Logout(lUserID);
		NET_DVR_Cleanup();
		return 0;
	

	//注销用户
	NET_DVR_Logout(lUserID);
	//释放SDK资源
	NET_DVR_Cleanup();

	
	cout << "The program ends" << endl;
	return 0;