/// <summary>
/// Erzuegt den Anzeigegraphen.
/// </summary>
/// <param name="mpeg4">Gesetzt für H.264 Bildinformationen - ansonsten wird MPEG-2 erwartet.</param>
/// <param name="ac3">Gesetzt für AC3 Toninformationen - ansonsten wird MP2 erwartet.</param>
public void Show( bool mpeg4, bool ac3 )
{
// Startup
bool firstCall = PrepareShow();
// Leave fullscreen before stopping graph
bool fullscreen = FullScreen;
if (fullscreen)
FullScreen = false;
// Stop the graph
Stop();
// Forget the clock
DisposeClock();
// Remove all filters not created by us
var noRemove = new HashSet<IntPtr>( m_Filters.Values.Select( f => f.Interface ) );
((IFilterGraph) m_Graph).InspectFilters( filter =>
{
// Create report structure
var info = new FilterInfo();
// Load it
filter.QueryFilterInfo( ref info );
// Forget about graph
BDAEnvironment.Release( ref info.Graph );
// Process using raw interfaces
using (var id = ComIdentity.Create( filter ))
if (!noRemove.Contains( id.Interface ))
try
{
// Repoert
if (DirectShowTraceSwitch.Enabled)
Trace.WriteLine( string.Format( Properties.Resources.Trace_RemoveFilter, info.Name ), DirectShowTraceSwitch.DisplayName );
// Process
DirectShowObject.RemoveFilter( id.Interface );
}
catch (Exception e)
{
// Report
Trace.WriteLine( string.Format( Properties.Resources.Trace_Exception_RemoveFilter, info.Name, e.Message ), DirectShowTraceSwitch.DisplayName );
}
} );
// Create media types
var videoType = CreateVideoType( mpeg4, UseCyberlink );
var audioType = CreateAudioType( ac3 );
// Configure injection pins
InjectorFilter.SetAudioType( audioType );
InjectorFilter.SetVideoType( videoType );
// Helper
var audioConnected = false;
var videoConnected = false;
// Pre-loaded decoders
LoadDecoder( mpeg4 ? H264Decoder : MPEG2Decoder, mpeg4 ? "HDTV-Video" : "SDTV-Video", decoder => videoConnected = TryDirectConnect( decoder, InjectorFilter.VideoPin, videoType ) );
LoadDecoder( ac3 ? AC3Decoder : MP2Decoder, ac3 ? "AC3-Audio" : "MP2-Audio", decoder => audioConnected = TryDirectConnect( decoder, InjectorFilter.AudioPin, audioType ) );
// Create display
if (!audioConnected)
DirectShowObject.Render( InjectorFilter.AudioPin.Interface );
if (!videoConnected)
DirectShowObject.Render( InjectorFilter.VideoPin.Interface );
// Show for the first time
var vmr = VMR;
if (firstCall)
if (vmr != null)
if (m_VideoWindow != null)
{
// Respect window settings
vmr.ClippingWindow = m_VideoWindow;
vmr.AdjustSize( m_VideoWindow );
}
// Use it
m_Clock = new NoMarshalComObjects.ReferenceClock( Activator.CreateInstance( Type.GetTypeFromCLSID( Constants.CLSID_SystemClock ) ), true );
// Attach to graph
GraphAsFilter.SetSyncSource( m_Clock.ComInterface );
// Time to restart the graph
Run();
// Reinstall volume
if (m_LastVolume.HasValue)
Volume = m_LastVolume.Value;
// Reinstall picture parameters
if (m_PictureParameters != null)
if (vmr != null)
m_PictureParameters.Update( vmr );
// Back to full screen mode
if (fullscreen)
FullScreen = true;
}
/// <summary>
/// Gibt den Zähler der Zeitbasis frei.
/// </summary>
private void DisposeClock()
{
// Process
using (m_Clock)
m_Clock = null;
}
