/// <summary> start all the interfaces, graphs and preview window. </summary>
bool StartupVideo(UCOMIMoniker mon)
{
int hr;
try
{
if (!CreateCaptureDevice(mon))
{
return(false);
}
if (!GetInterfaces())
{
return(false);
}
if (!SetupGraph())
{
return(false);
}
if (!SetupVideoWindow())
{
return(false);
}
#if DEBUG
DsROT.AddGraphToRot(graphBuilder, out rotCookie); // graphBuilder capGraph
#endif
hr = mediaCtrl.Run();
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
bool hasTuner = DsUtils.ShowTunerPinDialog(capGraph, capFilter, this.Handle);
// toolBarBtnTune.Enabled = hasTuner;
return(true);
}
catch (Exception ee)
{
MessageBox.Show(this, "Could not start video stream\r\n" + ee.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return(false);
}
}
/// <summary> start all the interfaces, graphs and preview window. </summary>
bool StartupVideo(UCOMIMoniker mon)
{
int hr;
try
{
if (!CreateCaptureDevice(mon))
{
return(false);
}
if (!GetInterfaces())
{
return(false);
}
if (!SetupGraph())
{
return(false);
}
if (!SetupVideoWindow())
{
return(false);
}
#if DEBUG
//DsROT.AddGraphToRot( graphBuilder, out rotCookie ); // graphBuilder capGraph
rot = new DsROTEntry(graphBuilder);
#endif
hr = mediaCtrl.Run();
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
bool hasTuner = DsUtils.ShowTunerPinDialog(capGraph, capFilter, this.Handle);
//tuneBtn.Enabled = hasTuner;
return(true);
}
catch
{
return(false);
}
}
/// <summary> handler for toolbar button clicks. </summary>
private void toolBar_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
try
{
Trace.WriteLine("!!BTN: toolBar_ButtonClick");
int hr;
if (sampGrabber == null)
{
return;
}
Trace.WriteLine("!!BTN: toolBarBtnGrab");
if (savedArray == null)
{
int size = videoInfoHeader.BmiHeader.ImageSize;
if ((size < 1000) || (size > 16000000))
{
return;
}
savedArray = new byte[size + 64000];
}
toolBarBtnSave.Enabled = false;
Image old = pictureBox.Image;
//pictureBox.Image = null;
if (old != null)
{
old.Dispose();
}
toolBarBtnGrab.Enabled = false;
captured = false;
hr = sampGrabber.SetCallback(this, 1);
Trace.WriteLine("!!BTN: toolBarBtnSave");
if (capGraph != null)
{
DsUtils.ShowTunerPinDialog(capGraph, capFilter, this.Handle);
}
}
catch (Exception) {}
}
/// <summary> handler for toolbar button clicks. </summary>
private void toolBar_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
Trace.WriteLine("!!BTN: toolBar_ButtonClick");
int hr;
if (sampGrabber == null)
{
return;
}
if (e.Button == toolBarBtnGrab)
{
Trace.WriteLine("!!BTN: toolBarBtnGrab");
if (savedArray == null)
{
int size = videoInfoHeader.BmiHeader.ImageSize;
if ((size < 1000) || (size > 16000000))
{
return;
}
savedArray = new byte[size + 64000];
}
toolBarBtnSave.Enabled = false;
Image old = pictureBox.Image;
pictureBox.Image = null;
if (old != null)
{
old.Dispose();
}
toolBarBtnGrab.Enabled = false;
captured = false;
hr = sampGrabber.SetCallback(this, 1);
}
else if (e.Button == toolBarBtnSave)
{
Trace.WriteLine("!!BTN: toolBarBtnSave");
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = @"DsNET.bmp";
sd.Title = "Save Image as...";
sd.Filter = "Bitmap file (*.bmp)|*.bmp";
sd.FilterIndex = 1;
if (sd.ShowDialog() != DialogResult.OK)
{
return;
}
pictureBox.Image.Save(sd.FileName, ImageFormat.Bmp); // save to new bmp file
}
else if (e.Button == toolBarBtnTune)
{
if (capGraph != null)
{
DsUtils.ShowTunerPinDialog(capGraph, capFilter, this.Handle);
}
}
}
