///////////////////////////////////////////////////////////////////////////////
// Public methods //
///////////////////////////////////////////////////////////////////////////////
#region PUBLICMETHODS
#endregion //PUBLICMETHODS
///////////////////////////////////////////////////////////////////////////////
// Inherited methods //
///////////////////////////////////////////////////////////////////////////////
#region OVERRIDES
/// <summary>
/// Initialize custom elements
/// </summary>
protected override void InitializeCustomElements()
{
base.InitializeCustomElements();
this.slideshow = new Slideshow();
this.toolTip = new ToolTip();
this.toolTip.ShowAlways = true;
if (SecondaryScreen.SystemHasSecondaryScreen())
{
if (Settings.Default.PresentationScreenMonitor == "Primary")
{
this.btnPrimary.Checked = true;
this.btnSecondary.Checked = false;
}
else
{
this.btnPrimary.Checked = false;
this.btnSecondary.Checked = true;
}
}
else
{
this.btnPrimary.Visible = false;
this.btnSecondary.Visible = false;
}
// Hide PropertyGrid
this.spcPropertiesPreview.Panel1Collapsed = true;
this.btnHelp.Click += new EventHandler(this.btnHelp_Click);
this.pnlCanvas.Resize += new EventHandler(this.pnlCanvas_Resize);
}
///////////////////////////////////////////////////////////////////////////////
// Inherited methods //
///////////////////////////////////////////////////////////////////////////////
#region OVERRIDES
#endregion //OVERRIDES
///////////////////////////////////////////////////////////////////////////////
// Eventhandler //
///////////////////////////////////////////////////////////////////////////////
#region EVENTS
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for UI, Menu, Buttons, Toolbars etc. //
///////////////////////////////////////////////////////////////////////////////
#region WINDOWSEVENTHANDLER
#endregion //WINDOWSEVENTHANDLER
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for Custom Defined Events //
///////////////////////////////////////////////////////////////////////////////
#region CUSTOMEVENTHANDLER
#endregion //CUSTOMEVENTHANDLER
#endregion //EVENTS
///////////////////////////////////////////////////////////////////////////////
// Methods and Eventhandling for Background tasks //
///////////////////////////////////////////////////////////////////////////////
#region BACKGROUNDWORKER
#endregion //BACKGROUNDWORKER
///////////////////////////////////////////////////////////////////////////////
// Methods for doing main class job //
///////////////////////////////////////////////////////////////////////////////
#region PRIVATEMETHODS
/// <summary>
/// Create a new filter graph and add filters (devices, compressors,
/// misc), but leave the filters unconnected. Call renderGraph()
/// to connect the filters.
/// </summary>
/// <returns>True if successful created the graph.</returns>
protected bool createGraph()
{
int hr;
try
{
// Garbage collect, ensure that previous filters are released
GC.Collect();
// Get the graphbuilder object
this.graphBuilder = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
this.captureGraphBuilder = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
// Link the CaptureGraphBuilder to the filter graph
hr = this.captureGraphBuilder.SetFiltergraph(this.graphBuilder);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
this.rotCookie = new DsROTEntry(this.graphBuilder);
#endif
// this.screenCaptureFilter = (IBaseFilter)new OgamaScreenCaptureFilter();
// Get the ogama screen capture device and add it to the filter graph
this.screenCaptureFilter = DirectShowUtils.CreateFilter(FilterCategory.VideoInputDevice, "OgamaCapture");
hr = this.graphBuilder.AddFilter(this.screenCaptureFilter, "OgamaCapture");
DsError.ThrowExceptionForHR(hr);
// Query the interface for the screen capture Filter
var ogamaFilter = this.screenCaptureFilter as IOgamaScreenCapture;
hr = ogamaFilter.set_Monitor(this.monitorIndex);
DsError.ThrowExceptionForHR(hr);
hr = ogamaFilter.set_Framerate(this.frameRate);
DsError.ThrowExceptionForHR(hr);
//// Get the IAMStreamConfig from the filter so we can configure it
//var videoStreamConfig = this.screenCaptureFilter as IAMStreamConfig;
var resolution = PresentationScreen.GetPresentationResolution();
//hr = videoStreamConfig.SetFormat(this.CreateVideoMediaType(24, resolution.Width, resolution.Height));
//DsError.ThrowExceptionForHR(hr);
this.smartTeeFilter = new SmartTee() as IBaseFilter;
hr = this.graphBuilder.AddFilter(this.smartTeeFilter, "Smart Tee");
DsError.ThrowExceptionForHR(hr);
if (SecondaryScreen.SystemHasSecondaryScreen())
{
// Add a DMO Wrapper Filter
this.dmoFilter = (IBaseFilter) new DMOWrapperFilter();
this.dmoWrapperFilter = (IDMOWrapperFilter)this.dmoFilter;
// But it is more useful to show how to scan for the DMO
var g = this.FindGuid("DmoOverlay", DMOCategory.VideoEffect);
hr = this.dmoWrapperFilter.Init(g, DMOCategory.VideoEffect);
DMOError.ThrowExceptionForHR(hr);
this.SetDMOParams(this.dmoFilter);
// Add it to the Graph
hr = this.graphBuilder.AddFilter(this.dmoFilter, "DMO Filter");
DsError.ThrowExceptionForHR(hr);
var dmo = (IMediaObject)this.dmoFilter;
hr = dmo.SetInputType(0, this.CreateVideoMediaType(24, resolution.Width, resolution.Height), DMOSetType.None);
DsError.ThrowExceptionForHR(hr);
hr = dmo.SetOutputType(0, this.CreateVideoMediaType(24, resolution.Width, resolution.Height), DMOSetType.None);
DsError.ThrowExceptionForHR(hr);
}
// Get the video compressor and add it to the filter graph
// Create the filter for the selected video compressor
this.videoCompressorFilter = DirectShowUtils.CreateFilter(
FilterCategory.VideoCompressorCategory,
this.videoCompressorName);
hr = this.graphBuilder.AddFilter(this.videoCompressorFilter, "Video Compressor");
DsError.ThrowExceptionForHR(hr);
// Render the file writer portion of graph (mux -> file)
hr = this.captureGraphBuilder.SetOutputFileName(
MediaSubType.Avi,
this.tempFilename,
out this.muxFilter,
out this.fileWriterFilter);
DsError.ThrowExceptionForHR(hr);
//// Disable overwrite
//// hr = this.fileWriterFilter.SetMode(AMFileSinkFlags.None);
//// DsError.ThrowExceptionForHR(hr);
hr = this.captureGraphBuilder.AllocCapFile(this.tempFilename, 10000000);
DsError.ThrowExceptionForHR(hr);
if (SecondaryScreen.SystemHasSecondaryScreen())
{
hr = this.captureGraphBuilder.RenderStream(null, null, this.screenCaptureFilter, null, this.smartTeeFilter);
DsError.ThrowExceptionForHR(hr);
hr = this.captureGraphBuilder.RenderStream(
null,
null,
this.smartTeeFilter,
this.videoCompressorFilter,
this.muxFilter);
DsError.ThrowExceptionForHR(hr);
hr = this.captureGraphBuilder.RenderStream(null, null, this.smartTeeFilter, null, this.dmoFilter);
DsError.ThrowExceptionForHR(hr);
hr = this.captureGraphBuilder.RenderStream(null, null, this.dmoFilter, null, null);
DsError.ThrowExceptionForHR(hr);
}
else
{
hr = this.captureGraphBuilder.RenderStream(
null,
null,
this.screenCaptureFilter,
this.videoCompressorFilter,
this.muxFilter);
DsError.ThrowExceptionForHR(hr);
}
// IMediaFilter filter = this.graphBuilder as IMediaFilter;
// IReferenceClock clock;
// filter.GetSyncSource(out clock);
hr = this.graphBuilder.SetDefaultSyncSource();
DsError.ThrowExceptionForHR(hr);
// Retreive the media control interface (for starting/stopping graph)
this.mediaControl = (IMediaControl)this.graphBuilder;
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
return(false);
}
return(true);
}