下面是我根据海康官方文档代码,放到VS 2022 版本中调试通过后的代码:
#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)
BOOL CALLBACK MessageCallback(LONG lCommand, NET_DVR_ALARMER* pAlarmer, char* pAlarmInfo, DWORD dwBufLen, void* pUser)
{
switch (lCommand)
{
case COMM_FIREDETECTION_ALARM: //火点检测报警
{
printf("fire192.168.1.31 \n");
NET_DVR_FIREDETECTION_ALARM struFireDetection = { 0 };
memcpy(&struFireDetection, pAlarmInfo, sizeof(NET_DVR_FIREDETECTION_ALARM));
printf("火点检测报警: RelativeTime:%d, AbsTime:%d, PTZ{PanPos:%d, TiltPos:%d, ZoomPos:%d}, \
PicDataLen:%d, DevInfo{DevIP:%s, Port:%d, Channel:%d, IvmsChannel:%d}, \
FireMaxTemperature:%d, TargetDistance:%d, fireRectInfo{fX:%f,fY:%f,fWidth%f,fHeight%f}, \
fireMaxTemperaturePoint{fX:%f,fY:%f}\n", struFireDetection.dwRelativeTime, \
struFireDetection.dwAbsTime, struFireDetection.wPanPos, struFireDetection.wTiltPos, \
struFireDetection.wZoomPos, struFireDetection.dwPicDataLen, \
struFireDetection.struDevInfo.struDevIP.sIpV4, struFireDetection.struDevInfo.wPort, \
struFireDetection.struDevInfo.byChannel, struFireDetection.struDevInfo.byIvmsChannel, \
struFireDetection.wFireMaxTemperature, struFireDetection.wTargetDistance, \
struFireDetection.struRect.fX, struFireDetection.struRect.fY, struFireDetection.struRect.fWidth, \
struFireDetection.struRect.fHeight, struFireDetection.struPoint.fX, struFireDetection.struPoint.fY);
NET_DVR_TIME struAbsTime = { 0 };
struAbsTime.dwYear = GET_YEAR(struFireDetection.dwAbsTime);
struAbsTime.dwMonth = GET_MONTH(struFireDetection.dwAbsTime);
struAbsTime.dwDay = GET_DAY(struFireDetection.dwAbsTime);
struAbsTime.dwHour = GET_HOUR(struFireDetection.dwAbsTime);
struAbsTime.dwMinute = GET_MINUTE(struFireDetection.dwAbsTime);
struAbsTime.dwSecond = GET_SECOND(struFireDetection.dwAbsTime);
//保存报警抓拍图片
if (struFireDetection.dwPicDataLen > 0 && struFireDetection.pBuffer != 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, "FireDetectionPic[%s][%s].jpg", struFireDetection.struDevInfo.struDevIP.sIpV4, chTime);
LPCWSTR tmp;
// begin added by zhangchao
tmp = L"FireDetectionPic31.jpg";
// end added by zhangchao
//printf("%s", tmp);
hFile = CreateFile(tmp, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
break;
}
WriteFile(hFile, struFireDetection.pBuffer, struFireDetection.dwPicDataLen, &dwReturn, NULL);
CloseHandle(hFile);
hFile = INVALID_HANDLE_VALUE;
}
}
break;
default:
printf("other192.168.1.31 \n");
printf("其他报警,报警信息类型: %d\n", lCommand);
break;
}
return TRUE;
}
void RunCam(const char* ip) {
//---------------------------------------
// 初始化
NET_DVR_Init();
//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);
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;
}
//设置报警回调函数
NET_DVR_SetDVRMessageCallBack_V31(MessageCallback, NULL);
//启用布防
LONG lHandle;
NET_DVR_SETUPALARM_PARAM struAlarmParam = { 0 };
struAlarmParam.dwSize = sizeof(struAlarmParam);
//火点检测不需要设置其他报警布防参数,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;
}
Sleep(50000); //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;
}
//注销用户
NET_DVR_Logout(lUserID);
//释放SDK资源
NET_DVR_Cleanup();
}
void main() {
RunCam("192.168.1.31");
return;
}
如何配置VS 2022 ?
第一步:打开窗口顶部 【项目】菜单,选中 【<某某项目>属性】。
第二步:在打开的对话框中,左侧菜单选择 【C/C++】=> 【常规】,选中右侧附加包含目录中,点击右侧出现的向下箭头,点击编辑,在打开的对话框中如下填写:
其中 D:\ws\vc\emptycam\hkheader 文件夹放着海康的头文件,分别是: DataType.h、DecodeCardSdk.h、HCNetSDK.h、plaympeg4.h。
第三步:左侧菜单选择 【链接器】=> 【常规】。右侧选中附加库目录,点击右侧小三角,点击编辑,打开对话框。
文件夹 D:\ws\vc\emptycam\hkdll 是放海康dll文件的地方。文件如下图所示:
第四步:左侧菜单选择 【链接器】=> 【输入】。右侧选中【附加依赖项】点击右侧小三角,点击编辑,打开对话框。内容按照图片里的文字进行填写。
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