/// <summary> /// 开始录像 /// </summary> /// <param name="path">要保存录像的路径</param> public void StarKinescope(string path) { IntPtr hBmp = Marshal.StringToHGlobalAnsi(path); AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_FILE_SET_CAPTURE_FILE, 0, hBmp.ToInt32()); AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SEQUENCE, 0, 0); }
/// <summary> /// 弹出视频格式设置对话框 /// </summary> public void setCaptureFormat() { AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_DLG_VIDEOFORMAT, 0, 0); // 是否由新的图像尺寸? // 如果有,发送通知给父窗口,告诉它尺寸改变了 AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_GET_STATUS, AviCapture.SizeOf(CapStatus), ref CapStatus);//获得当前视频流的尺寸 存入CapStatus结构 }
/// <summary> /// 开启摄像头 /// </summary> public void StartWebCam() //开启摄像头 { this.lwndC = AviCapture.capCreateCaptureWindow("", AviCapture.WS_CHILD | AviCapture.WS_VISIBLE, 0, 0, mWidth, mHeight, mControlPtr, 0); //AVICap类的捕捉窗口 //AviCapture.FrameEventHandler FrameEventHandler = new AviCapture.FrameEventHandler(framecallback); //AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_CALLBACK_ERROR, 0, 0);//注册错误回调函数 //AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_CALLBACK_STATUS, 0, 0);//注册状态回调函数 //AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_CALLBACK_VIDEOSTREAM, 0, 0);//注册视频流回调函数 //AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_CALLBACK_FRAME, 0, FrameEventHandler);//注册帧回调函数 //if (!CapDriverCAPS.fCaptureInitialized)//判断当前设备是否被其他设备连接已经连接 //{ if (AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_DRIVER_CONNECT, 0, 0)) { //----------------------------------------------------------------------- AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_DRIVER_GET_CAPS, AviCapture.SizeOf(CapDriverCAPS), ref CapDriverCAPS); //获得当前视频 CAPDRIVERCAPS定义了捕获驱动器的能力,如有无视频叠加能力、有无控制视频源、视频格式的对话框等; AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_GET_STATUS, AviCapture.SizeOf(CapStatus), ref CapStatus); //获得当前视频流的尺寸 存入CapStatus结构 AviCapture.BITMAPINFO bitmapInfo = new AviCapture.BITMAPINFO(); //设置视频格式 (height and width in pixels, bits per frame). bitmapInfo.bmiHeader = new AviCapture.BITMAPINFOHEADER(); bitmapInfo.bmiHeader.biSize = AviCapture.SizeOf(bitmapInfo.bmiHeader); bitmapInfo.bmiHeader.biWidth = mWidth; bitmapInfo.bmiHeader.biHeight = mHeight; bitmapInfo.bmiHeader.biPlanes = 1; bitmapInfo.bmiHeader.biBitCount = 24; AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_PREVIEWRATE, 34, 0); //设置在PREVIEW模式下设定视频窗口的刷新率 设置每34毫秒显示一帧,即显示帧速为每秒29帧 AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_SCALE, 1, 0); //打开预览视频的缩放比例 AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_VIDEOFORMAT, AviCapture.SizeOf(bitmapInfo), ref bitmapInfo); AviCapture.CAPTUREPARMS captureparms = new AviCapture.CAPTUREPARMS(); AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_GET_SEQUENCE_SETUP, AviCapture.SizeOf(captureparms), ref captureparms); if (CapDriverCAPS.fHasOverlay) { AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_OVERLAY, 1, 0); //启用叠加 注:据说启用此项可以加快渲染速度 } AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_PREVIEW, 1, 0); //设置显示图像启动预览模式 PREVIEW AviCapture.SetWindowPos(this.lwndC, 0, 0, 0, mWidth, mHeight, AviCapture.SWP_NOZORDER | AviCapture.SWP_NOMOVE); //使捕获窗口与进来的视频流尺寸保持一致 } else { System.Windows.Forms.MessageBox.Show("未能连接设备,请检查设备连接及是否有其他程序占用!"); flag = false; } //} //else //{ // System.Windows.Forms.MessageBox.Show("未能连接设备,请检查设备连接及是否有其他程序占用!"); //} }
/// <summary> /// 关闭摄像头 /// </summary> public void CloseWebcam(int index) //关闭摄像头 { CapDriverCAPS.fCaptureInitialized = false; AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_DRIVER_DISCONNECT, index, 0); }
public void set() { AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_SET_SEQUENCE_SETUP, AviCapture.SizeOf(Capparms), ref Capparms); }
public void setVideoCompression() { AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_DLG_VIDEOCOMPRESSION, 0, 0); }
/// <summary> /// 停止录像 /// </summary> public void StopKinescope() { AviCapture.SendMessage(this.lwndC, AviCapture.WM_CAP_STOP, 0, 0); }
/// <summary> /// 抓图到制定的路径 /// </summary> /// <param name="path"></param> public void grabImage(string path) { IntPtr hBmp = Marshal.StringToHGlobalAnsi(path); AviCapture.SendMessage(lwndC, AviCapture.WM_CAP_FILE_SAVEDIB, 0, hBmp.ToInt32()); }