/// <summary>
/// 开始视频捕获
/// </summary>
private void StartVideoCapture()
{
loops:
///先将本地视频初始化为CapturerSize的高与宽
this.vCapturer = new CSS.IM.Library.AV.VideoCapturer(this.panel, 0);
this.vCapturer.ConnectDevice();
if (this.vCapturer == null)
{
this.vCapturer = new CSS.IM.Library.AV.VideoCapturer(this.panel, 0);
this.vCapturer.ConnectDevice();
goto loops;
}
CSS.IM.Library.AV.CaptureParms cp = this.vCapturer.CaptureParms;
cp.fAbortLeftMouse = cp.fAbortRightMouse = false;
cp.fYield = true;
this.vCapturer.CaptureParms = cp;
CSS.IM.Library.AV.BITMAPINFO h = this.vCapturer.BITMAPINFO;
//如果当前摄像头不为CapturerSize,先将本地视频初始化为CapturerSize
if (!(h.bmiHeader.biWidth == this.CapturerSize.Width && h.bmiHeader.biHeight == this.CapturerSize.Height))
{
h.bmiHeader.biWidth = this.CapturerSize.Width;
h.bmiHeader.biHeight = this.CapturerSize.Height;
this.vCapturer.BITMAPINFO = h;
this.vCapturer.Stop();
this.vCapturer.Close();
this.vCapturer.Disconnect();
this.vCapturer = null;
goto loops;
}
////本地视频初始化为VideoSizer
this.vCapturer.VideoCaptured += new VideoCaptureEventHandler(vc_VideoCaptured);
this.vCapturer.SetPreviewRate(25);
this.vCapturer.Preview = true;
this.vCapturer.CaptureWithOutFile();
this.bitmapInfo = vCapturer.BITMAPINFO;
if (this.VideoCapturerBefore != null)
this.VideoCapturerBefore(this, new VideoCapturedEventArgs(this.bitmapInfo));//触发视频捕获前事件
//CSS.IM.Library.Class.Calculate.WirteLog("biSize:" + bitmapInfo.bmiHeader.biSize.ToString() + " biSizeImage:" + bitmapInfo.bmiHeader.biSizeImage.ToString()
// + " biBitCount:" + bitmapInfo.bmiHeader.biBitCount.ToString() + " biWidth:" + bitmapInfo.bmiHeader.biWidth.ToString()
// + " biHeight:" + bitmapInfo.bmiHeader.biHeight.ToString()
// + " biClrUsed:" + bitmapInfo.bmiHeader.biClrUsed.ToString() + " biClrImportant:" + bitmapInfo.bmiHeader.biClrImportant.ToString()
// + " biXPelsPerMeter:" + bitmapInfo.bmiHeader.biXPelsPerMeter.ToString() + " biYPelsPerMeter:" + bitmapInfo.bmiHeader.biYPelsPerMeter.ToString()
// + " biPlanes:" + bitmapInfo.bmiHeader.biPlanes.ToString() + " biCompression:" + bitmapInfo.bmiHeader.biCompression.ToString());
IniVideoRender();
}
/// <summary>
/// 关闭视频捕捉
/// </summary>
public void Close()
{
if (this.vCapturer != null)
{
this.vCapturer.Stop();
this.vCapturer.Close();
this.vCapturer.Disconnect();
this.vCapturer = null;
this.drawDib = null;
this.panel = null;
this.controlVideo = null;
}
}
