/// <summary>
/// 开始预览视频（同时只能打开一个相机）
/// </summary>
/// <param name="cameraName"></param>
public bool StartPreview(string cameraName)
{
try
{
bool retVal = false;
XCamera cam = XCamera.GetInstance();
if (cam.IsActive())
{
if (cam.RunMode != emDSRunMode.RUNMODE_STOP)
{
cam.Stop();
}
cam.UnInit();
}
_cameraCallbackProc = new XCamera.DelegateProc(SnapThreadCallback);
//test
if (cam.Init(_cameraCallbackProc, cameraName, _imageBox.Handle))
//if (cam.Init(_cameraCallbackProc, cameraName, _imageBack.Handle))
{
if (cam.Play())
{
retVal = true;
//this.RealSize();
this.FitScreen();
PublishCameraOpenedEvent(new EventArgs());
}
}
else
{
retVal = false;
}
return(retVal);
}
catch (System.Exception ex)
{
_logger.Error(ex.Message);
return(false);
}
}