Infrared_test/hkcamera/hkcamera.cpp

#include "hkcamera.h"
#include<iostream>
using namespace std;

hkcamera::hkcamera(QObject *parent) : QObject(parent)
{

}

BOOL hkcamera::connect(QString ip, int port, QString name, QString password)
{
    char* ch_ip;
    char* ch_name;
    char* ch_password;
    QByteArray ba_ip = ip.toLatin1();
    QByteArray ba_name = name.toLatin1();
    QByteArray ba_password = password.toLatin1();
    ch_ip = ba_ip.data();
    ch_name = ba_name.data();
    ch_password = ba_password.data();

    //初始化SDK
    bool isok = NET_DVR_Init();
    if (isok == false)
    {
        std::cout << "NET_DVR_Init error;error number is " << NET_DVR_GetLastError();
        return false;
    }
    //设置连接时间与重连时间
    NET_DVR_SetConnectTime(2000, 1);
    NET_DVR_SetReconnect(10000, true);

    NET_DVR_DEVICEINFO DeviceInfoTmp;   //设备信息
    LONG userID = NET_DVR_Login(ch_ip, port, ch_name, ch_password, &DeviceInfoTmp);
    //long userID = NET_DVR_Login("192.168.1.64", 8000, "admin", "a12345678", &DeviceInfoTmp);
    if (userID < 0)
    {
       std::cout << "NET_DVR_Login error;" << "error number is " << NET_DVR_GetLastError();
        return false;
    }
    std::cout << "Login userID:" << userID;

    m_userid = userID;

    return true;

}
BOOL hkcamera::displaypic(HWND hWnd)
{
    NET_DVR_PREVIEWINFO struPlayInfo = { 0 };   //初始化

    struPlayInfo.hPlayWnd = hWnd;//需要 SDK 解码时句柄设为有效值，仅取流不解码时可设为空
    struPlayInfo.lChannel = 1;//预览通道号
    struPlayInfo.dwStreamType = 0;//码流类型：0-主码流，1-子码流，2-三码流，3-虚拟码流，以此类推
    struPlayInfo.dwLinkMode = 0;//0- TCP 方式，1- UDP 方式，2- 多播方式，3- RTP 方式，4-RTP/RTSP，5-RSTP/HTTP
    struPlayInfo.bBlocked = 1;//0- 非阻塞取流，1- 阻塞取流

    LONG IRealPlayHandle = NET_DVR_RealPlay_V40(m_userid, &struPlayInfo, NULL, NULL);

    if (IRealPlayHandle < 0)
    {
        std::cout  << "NET_DVR_RealPlay_V40 error;error number " << NET_DVR_GetLastError();       
        NET_DVR_Logout(m_userid);
        m_userid = 0;
        return false;
    }
    else
    {
        m_playhandle = IRealPlayHandle;
        return true;
    }

}

void hkcamera::stopdisplaypic()
{
    NET_DVR_StopRealPlay(m_playhandle);

    return;

}

BOOL hkcamera::savepic(QString filename)
{
    if(-1 == m_playhandle)
    {
        return false;
    }

    QString capImagePath = filename;
    QDir m_capImagePath(capImagePath);
    if (m_capImagePath.exists())
    {
        QFile::remove(capImagePath);
    }

    char* savefilename;
    QByteArray bytefilename = filename.toLatin1();
    savefilename = bytefilename.data();

    //保存为jpg格式
//    NET_DVR_SetCapturePictureMode(JPEG_MODE);//BMP_MODE
    NET_DVR_SetCapturePictureMode(BMP_MODE);

    bool pic_status = NET_DVR_CapturePicture(m_playhandle, savefilename);
    if (pic_status)
    {
        std::cout << "camera_SavePicture save pic :" << savefilename << "success";
    }
    else
    {
        std::cout << "camera_SavePicture save pic :" << savefilename << "false";
    }

    return pic_status;


}

void hkcamera::logout()
{
    if(0 != m_userid)
    {
        NET_DVR_Logout(m_userid);
        m_userid = 0;
        m_playhandle = -1;
    }
}