CMainFrame::CMainFrame() { // TODO: add member initialization code here //InitConsole() ; /* * 初始化所有成员变量,同时打开数字摄像机 */ HVSTATUS status = STATUS_OK; m_bStart = FALSE; m_pBmpInfo = NULL; m_pRawBuffer = NULL; m_pImageBuffer = NULL; DisplayBuffer = NULL; for(int i=0;i<256;i++) { m_pLutR[i] = i; m_pLutG[i] = i; m_pLutB[i] = i; } // 打开数字摄像机 1 status = BeginHVDevice(1, &m_hhv); // 检验函数执行状态,如果失败,则返回错误状态消息框 HV_VERIFY(status); }
void HV_Camera::InitCamera() { HVSTATUS status = BeginHVDevice(DeviceId, &m_hhv);// 打开数字摄像机 1 HV_VERIFY(status); // 检验函数执行状态,如果失败,则返回错误状态消息框 m_Layout = HVGetBayerType(); /************************************************************* 初始化数字摄像机硬件状态,用户也可以在其他位置初始化数字摄像机, 但应保证数字摄像机已经打开,建议用户在应用程序初始化时, 同时初始化数字摄像机硬件。 *************************************************************/ HVSetResolution(m_hhv, Resolution); //设置数字摄像机分辨率 HVSetSnapMode(m_hhv, SnapMode); //采集模式,包括 CONTINUATION(连续)、TRIGGER(外触发) for (int i = 0; i < 4; i++){ //设置各个分量的增益 HVAGCControl(m_hhv, RED_CHANNEL + i, Gain); } HVADCControl(m_hhv, ADC_BITS, ADCLevel); //设置ADC的级别 HVTYPE type = UNKNOWN_TYPE; //获取设备类型 int size = sizeof(HVTYPE); HVGetDeviceInfo(m_hhv,DESC_DEVICE_TYPE, &type, &size); // 设置图像窗口和消隐前,首先查看是否满足特殊相机的条件限制? /***************************************************************************/ if (IS_USB_GV400(type)) { int rate = 0; switch(Resolution) { case RES_MODE0: rate = 1; break; case RES_MODE1: rate = 2; break; default: break; } //GV400Ux相机要求图像宽度和水平消隐满足以下公式: //lHBlanking + Width*rate > 0x236 //如果不满足上述条件,需要用户做出调整,增大图像宽度或增大水平消隐 if (m_lHBlanking + Width*rate <= 0x236) { //取得消隐的边界值 DWORD pBlankSize[4]; int nBufSize = 0; int nHmin = 0; int nHmax = 0; HVGetDeviceInfo(m_hhv,DESC_DEVICE_BLANKSIZE,NULL,&nBufSize); HVGetDeviceInfo(m_hhv,DESC_DEVICE_BLANKSIZE,pBlankSize,&nBufSize); nHmin = (int)pBlankSize[0]; nHmax = (int)pBlankSize[2]; int tHor = 0x236-Width*rate+1; //获取此图像宽度下允许的水平消隐最小值 m_lHBlanking = max(nHmin,min(tHor, nHmax)); } //为防止消隐设置不成功先将图像窗口设为最大 int nBuffSize = 0; HVGetDeviceInfo(m_hhv, DESC_RESOLUTION, NULL,&nBuffSize); BYTE *pbContext = new BYTE[nBuffSize]; DWORD *pdContext = (DWORD *)(pbContext); HVGetDeviceInfo(m_hhv, DESC_RESOLUTION, pdContext,&nBuffSize); int nMaxWid = *(pdContext + 2*Resolution); int nMaxHei = *(pdContext + 2*Resolution +1); delete []pbContext; HVSetOutputWindow(m_hhv, 0, 0, nMaxWid, nMaxHei); //设置消隐。 HVSetBlanking(m_hhv, m_lHBlanking, m_lVBlanking); } else { //设置消隐。 HVSetBlanking(m_hhv, m_lHBlanking, m_lVBlanking); } /***************************************************************************/ /************************************************************************ 视频输出窗口,即视频输出范围,输出窗口取值范围必须在输入窗口范围以内, 视频窗口左上角X坐标和窗口宽度应为4的倍数,左上角Y坐标和窗口高度应为2的倍数 输出窗口的起始位置一般设置为(0, 0)即可。 *************************************************************************/ HVSetOutputWindow(m_hhv, XStart, YStart, Width, Height); HVSetSnapSpeed(m_hhv, SnapSpeed); //设置采集速度 SetExposureTime(Width, ExposureTint_Upper, ExposureTint_Lower, // 设置曝光时间 m_lHBlanking, SnapSpeed, Resolution); m_pBmpInfo = (BITMAPINFO *)m_chBmpBuf;// m_pBmpInfo即指向m_chBmpBuf缓冲区,用户可以自己分配BTIMAPINFO缓冲区 m_pBmpInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);// 初始化BITMAPINFO 结构,此结构在保存bmp文件、显示采集图像时使用 m_pBmpInfo->bmiHeader.biWidth = Width; // 图像宽度,一般为输出窗口宽度 m_pBmpInfo->bmiHeader.biHeight = Height; // 图像宽度,一般为输出窗口高度 /*********************************************** 以下设置一般相同, 对于低于8位的位图,还应设置相应的位图调色板 ************************************************/ m_pBmpInfo->bmiHeader.biPlanes = 1; m_pBmpInfo->bmiHeader.biBitCount = 24; m_pBmpInfo->bmiHeader.biCompression = BI_RGB; m_pBmpInfo->bmiHeader.biSizeImage = 0; m_pBmpInfo->bmiHeader.biXPelsPerMeter = 0; m_pBmpInfo->bmiHeader.biYPelsPerMeter = 0; m_pBmpInfo->bmiHeader.biClrUsed = 0; m_pBmpInfo->bmiHeader.biClrImportant = 0; /*********************************************** 分配原始图像缓冲区,一般用来存储采集图像原始数据 一般图像缓冲区大小由输出窗口大小和视频格式确定。 ************************************************/ m_pRawBuffer = new BYTE[Width * Height]; ASSERT(m_pRawBuffer); /*********************************************** 分配Bayer转换后图像数据缓冲 ************************************************/ m_pImageBuffer = new BYTE[Width * Height*3]; ASSERT(m_pImageBuffer); }
void DaHengCamera::initialDaHengCamera(int camerawidth, int cameraheight,bool extrigger) { cam_w = camerawidth; cam_h = cameraheight; ///----------打开相机------------/ if (!cameraOpened){ HVSTATUS status_1 = STATUS_OK; HVSTATUS status_2 = STATUS_OK; m_pRawBuffer_1 = NULL; m_pRawBuffer_2 = NULL; status_1 = BeginHVDevice(1, &m_hhv_1); status_2 = BeginHVDevice(2, &m_hhv_2); if(status_1 == STATUS_OK && status_2 == STATUS_OK) cameraOpened = true; else{ cameraOpened = false; QMessageBox::warning(NULL, tr("Cameras not found"), tr("Make sure two Daheng cameras have connected to the computer.")); return; } ///----------设置相机分辨率----------/ switch (camerawidth) { case 1280: Resolution = RES_MODE0; break; case 640: Resolution = RES_MODE1; break; case 320: Resolution = RES_MODE2; break; } HVSetResolution(m_hhv_1, Resolution);//Set the resolution of cameras HVSetResolution(m_hhv_2, Resolution); ///--------设置触发模式----------/ if (extrigger){ HVSetSnapMode(m_hhv_1, TRIGGER);//Snap mode include CONTINUATION、TRIGGER HVSetSnapMode(m_hhv_2, TRIGGER); } else{ HVSetSnapMode(m_hhv_1, CONTINUATION); HVSetSnapMode(m_hhv_2, CONTINUATION); } HVADCControl(m_hhv_1, ADC_BITS, ADCLevel);//设置ADC的级别 HVADCControl(m_hhv_2, ADC_BITS, ADCLevel); HVTYPE type = UNKNOWN_TYPE;//获取设备类型 int size = sizeof(HVTYPE); HVGetDeviceInfo(m_hhv_1,DESC_DEVICE_TYPE, &type, &size);//由于两相机型号相同,故只获取一个 HVSetOutputWindow(m_hhv_1, XStart, YStart, camerawidth, cameraheight); HVSetOutputWindow(m_hhv_2, XStart, YStart, camerawidth, cameraheight); ///---------设置采集速度---------/ HVSetSnapSpeed(m_hhv_1, HIGH_SPEED); HVSetSnapSpeed(m_hhv_2, HIGH_SPEED); ///--------设置速度级别---------/ // DWORD dwSpeed = 13; //单位ms? // int nLen = sizeof(DWORD); // HVCommand(m_hhv_1,CMD_SET_SNAPSPEED_COEFFICIENT, &dwSpeed, &nLen); // HVCommand(m_hhv_2,CMD_SET_SNAPSPEED_COEFFICIENT, &dwSpeed, &nLen); m_pRawBuffer_1 = new BYTE[camerawidth * cameraheight]; m_pRawBuffer_2 = new BYTE[camerawidth * cameraheight]; } }