海康威视连续采图与单步采图

首先引用海康威视的MVS中的MvCameraControl.Net

然后 using MvCamCtrl.NET;

查找设备程序：

其中的ComboBox cbDeviceList是显示设备序列号的下拉列表

public void DeviceListAcq(ComboBox cbDeviceList){int nRet;// ch:创建设备列表 en:Create Device ListSystem.GC.Collect();cbDeviceList.Items.Clear();nRet = MyCamera.MV_CC_EnumDevices_NET(MyCamera.MV_GIGE_DEVICE | MyCamera.MV_USB_DEVICE, ref m_pDeviceList);if (0 != nRet){ShowErrorMsg("Enumerate devices fail!", 0);return;}// ch:在窗体列表中显示设备名 | en:Display device name in the form listfor (int i = 0; i < m_pDeviceList.nDeviceNum; i++){MyCamera.MV_CC_DEVICE_INFO device = (MyCamera.MV_CC_DEVICE_INFO)Marshal.PtrToStructure(m_pDeviceList.pDeviceInfo[i], typeof(MyCamera.MV_CC_DEVICE_INFO));if (device.nTLayerType == MyCamera.MV_GIGE_DEVICE){IntPtr buffer = Marshal.UnsafeAddrOfPinnedArrayElement(device.SpecialInfo.stGigEInfo, 0);MyCamera.MV_GIGE_DEVICE_INFO gigeInfo = (MyCamera.MV_GIGE_DEVICE_INFO)Marshal.PtrToStructure(buffer, typeof(MyCamera.MV_GIGE_DEVICE_INFO));if (gigeInfo.chUserDefinedName != ""){cbDeviceList.Items.Add("GigE: " + gigeInfo.chUserDefinedName + " (" + gigeInfo.chSerialNumber + ")");}else{cbDeviceList.Items.Add("GigE: " + gigeInfo.chManufacturerName + " " + gigeInfo.chModelName + " (" + gigeInfo.chSerialNumber + ")");}}else if (device.nTLayerType == MyCamera.MV_USB_DEVICE){IntPtr buffer = Marshal.UnsafeAddrOfPinnedArrayElement(device.SpecialInfo.stUsb3VInfo, 0);MyCamera.MV_USB3_DEVICE_INFO usbInfo = (MyCamera.MV_USB3_DEVICE_INFO)Marshal.PtrToStructure(buffer, typeof(MyCamera.MV_USB3_DEVICE_INFO));if (usbInfo.chUserDefinedName != ""){cbDeviceList.Items.Add("USB: " + usbInfo.chUserDefinedName + " (" + usbInfo.chSerialNumber + ")");}else{cbDeviceList.Items.Add("USB: " + usbInfo.chManufacturerName + " " + usbInfo.chModelName + " (" + usbInfo.chSerialNumber + ")");}}}// ch:选择第一项 | en:Select the first itemif (m_pDeviceList.nDeviceNum != 0){cbDeviceList.SelectedIndex = 0;}}

打开设备程序：

 //打开设备public bool b_NoDevice;public void OpenDevice(ComboBox cbDeviceList){if (m_pDeviceList.nDeviceNum == 0 || cbDeviceList.SelectedIndex == -1){ShowErrorMsg("No device, please select", 0);b_NoDevice = true;return;}int nRet = -1;// ch:获取选择的设备信息 | en:Get selected device informationMyCamera.MV_CC_DEVICE_INFO device =(MyCamera.MV_CC_DEVICE_INFO)Marshal.PtrToStructure(m_pDeviceList.pDeviceInfo[cbDeviceList.SelectedIndex],typeof(MyCamera.MV_CC_DEVICE_INFO));// ch:打开设备 | en:Open deviceif (null == m_pMyCamera){m_pMyCamera = new MyCamera();if (null == m_pMyCamera){return;}}nRet = m_pMyCamera.MV_CC_CreateDevice_NET(ref device);if (MyCamera.MV_OK != nRet){return;}nRet = m_pMyCamera.MV_CC_OpenDevice_NET();if (MyCamera.MV_OK != nRet){m_pMyCamera.MV_CC_DestroyDevice_NET();ShowErrorMsg("Device open fail!", nRet);return;}// ch:探测网络最佳包大小(只对GigE相机有效) | en:Detection network optimal package size(It only works for the GigE camera)if (device.nTLayerType == MyCamera.MV_GIGE_DEVICE){int nPacketSize = m_pMyCamera.MV_CC_GetOptimalPacketSize_NET();if (nPacketSize > 0){nRet = m_pMyCamera.MV_CC_SetIntValue_NET("GevSCPSPacketSize", (uint)nPacketSize);if (nRet != MyCamera.MV_OK){Console.WriteLine("Warning: Set Packet Size failed {0:x8}", nRet);}}else{Console.WriteLine("Warning: Get Packet Size failed {0:x8}", nPacketSize);}}// ch:设置采集连续模式 | en:Set Continues Aquisition Modem_pMyCamera.MV_CC_SetEnumValue_NET("AcquisitionMode", 2);// ch:工作在连续模式 | en:Acquisition On Continuous Modem_pMyCamera.MV_CC_SetEnumValue_NET("TriggerMode", 0);    // ch:连续模式 | en:Continuousb_NoDevice = false;}

连续采图程序：

//连续采集public void ContinuesGrab(ComboBox cbDeviceList){int nRet;// ch:开始采集 | en:Start GrabbingnRet = m_pMyCamera.MV_CC_StartGrabbing_NET();if (MyCamera.MV_OK != nRet){ShowErrorMsg("Trigger Fail!", nRet);return;}//实时采集m_pMyCamera.MV_CC_SetEnumValue_NET("TriggerMode", 0);m_bGrabbing = true;// ch:显示 | en:DisplaynRet = m_pMyCamera.MV_CC_Display_NET(pictureBox1.Handle);if (MyCamera.MV_OK != nRet){ShowErrorMsg("Display Fail！", nRet);}}//停止采集public void StopGrab(){int nRet = -1;// ch:停止采集 | en:Stop GrabbingnRet = m_pMyCamera.MV_CC_StopGrabbing_NET();if (nRet != MyCamera.MV_OK){ShowErrorMsg("Stop Grabbing Fail!", nRet);}m_bGrabbing = false;}

单步采图程序：

public Bitmap ReadImage(){int nRet;UInt32 nPayloadSize = 0;MyCamera.MVCC_INTVALUE stParam = new MyCamera.MVCC_INTVALUE();nRet = m_pMyCamera.MV_CC_GetIntValue_NET("PayloadSize", ref stParam);if (MyCamera.MV_OK != nRet){ShowErrorMsg("Get PayloadSize failed", nRet);return null;}nPayloadSize = stParam.nCurValue;if (nPayloadSize > m_nBufSizeForDriver){m_nBufSizeForDriver = nPayloadSize;m_pBufForDriver = new byte[m_nBufSizeForDriver];// ch:同时对保存图像的缓存做大小判断处理 | en:Determine the buffer size to save image// ch:BMP图片大小：width * height * 3 + 2048(预留BMP头大小) | en:BMP image size: width * height * 3 + 2048 (Reserved for BMP header)m_nBufSizeForSaveImage = m_nBufSizeForDriver * 3 + 2048;m_pBufForSaveImage = new byte[m_nBufSizeForSaveImage];}IntPtr pData = Marshal.UnsafeAddrOfPinnedArrayElement(m_pBufForDriver, 0);MyCamera.MV_FRAME_OUT_INFO_EX stFrameInfo = new MyCamera.MV_FRAME_OUT_INFO_EX();// ch:超时获取一帧，超时时间为1秒 | en:Get one frame timeout, timeout is 1 secnRet = m_pMyCamera.MV_CC_GetOneFrameTimeout_NET(pData, m_nBufSizeForDriver, ref stFrameInfo, 1000);if (MyCamera.MV_OK != nRet){ShowErrorMsg("No Data!", nRet);return null;}MyCamera.MvGvspPixelType enDstPixelType;if (IsMonoData(stFrameInfo.enPixelType)){enDstPixelType = MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono8;}else if (IsColorData(stFrameInfo.enPixelType)){enDstPixelType = MyCamera.MvGvspPixelType.PixelType_Gvsp_RGB8_Packed;}else{ShowErrorMsg("No such pixel type!", 0);return null;}IntPtr pImage = Marshal.UnsafeAddrOfPinnedArrayElement(m_pBufForSaveImage, 0);MyCamera.MV_SAVE_IMAGE_PARAM_EX stSaveParam = new MyCamera.MV_SAVE_IMAGE_PARAM_EX();MyCamera.MV_PIXEL_CONVERT_PARAM stConverPixelParam = new MyCamera.MV_PIXEL_CONVERT_PARAM();stConverPixelParam.nWidth = stFrameInfo.nWidth;stConverPixelParam.nHeight = stFrameInfo.nHeight;stConverPixelParam.pSrcData = pData;stConverPixelParam.nSrcDataLen = stFrameInfo.nFrameLen;stConverPixelParam.enSrcPixelType = stFrameInfo.enPixelType;stConverPixelParam.enDstPixelType = enDstPixelType;stConverPixelParam.pDstBuffer = pImage;stConverPixelParam.nDstBufferSize = m_nBufSizeForSaveImage;nRet = m_pMyCamera.MV_CC_ConvertPixelType_NET(ref stConverPixelParam);if (MyCamera.MV_OK != nRet){return null;}if (enDstPixelType == MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono8){//************************Mono8 转 Bitmap*******************************Bitmap bmp = new Bitmap(stFrameInfo.nWidth, stFrameInfo.nHeight, stFrameInfo.nWidth * 1, PixelFormat.Format8bppIndexed, pImage);ColorPalette cp = bmp.Palette;// init palettefor (int i = 0; i < 256; i++){cp.Entries[i] = Color.FromArgb(i, i, i);}// set palette backbmp.Palette = cp;return bmp;}else{//*********************RGB8 转 Bitmap**************************for (int i = 0; i < stFrameInfo.nHeight; i++){for (int j = 0; j < stFrameInfo.nWidth; j++){byte chRed = m_pBufForSaveImage[i * stFrameInfo.nWidth * 3 + j * 3];m_pBufForSaveImage[i * stFrameInfo.nWidth * 3 + j * 3] = m_pBufForSaveImage[i * stFrameInfo.nWidth * 3 + j * 3 + 2];m_pBufForSaveImage[i * stFrameInfo.nWidth * 3 + j * 3 + 2] = chRed;}}try{Bitmap bmp = new Bitmap(stFrameInfo.nWidth, stFrameInfo.nHeight, stFrameInfo.nWidth * 3, PixelFormat.Format24bppRgb, pImage);return bmp;}catch{}}return null;}private Boolean IsMonoData(MyCamera.MvGvspPixelType enGvspPixelType){switch (enGvspPixelType){case MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono8:case MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono10:case MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono10_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono12:case MyCamera.MvGvspPixelType.PixelType_Gvsp_Mono12_Packed:return true;default:return false;}}/*************************************************************************  @fn     IsColorData()*  @brief  判断是否是彩色数据*  @param  enGvspPixelType         [IN]           像素格式*  @return 成功，返回0；错误，返回-1 ************************************************************************/private Boolean IsColorData(MyCamera.MvGvspPixelType enGvspPixelType){switch (enGvspPixelType){case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGR8:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerRG8:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGB8:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerBG8:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGR10:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerRG10:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGB10:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerBG10:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGR12:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerRG12:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGB12:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerBG12:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGR10_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerRG10_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGB10_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerBG10_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGR12_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerRG12_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerGB12_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_BayerBG12_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_RGB8_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_YUV422_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_YUV422_YUYV_Packed:case MyCamera.MvGvspPixelType.PixelType_Gvsp_YCBCR411_8_CBYYCRYY:return true;default:return false;}}

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海康威视连续采图与单步采图_c#

查找设备程序：

打开设备程序：

连续采图程序：

单步采图程序：

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