private void GetInterface()
{
object o;
int hr;
m_pGraph = (IGraphBuilder)new FilterGraph();
IBaseFilter pSource;
hr = m_pGraph.AddSourceFilter(@"C:\SourceForge\mflib\Test\Media\AspectRatio4x3.wmv", null, out pSource);
DsError.ThrowExceptionForHR(hr);
IBaseFilter pEVR = (IBaseFilter)new EnhancedVideoRenderer();
hr = m_pGraph.AddFilter(pEVR, "EVR");
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 cgb;
cgb = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
hr = cgb.SetFiltergraph(m_pGraph);
DsError.ThrowExceptionForHR(hr);
hr = cgb.RenderStream(null, MediaType.Video, pSource, null, pEVR);
DsError.ThrowExceptionForHR(hr);
IMFGetService gs = pEVR as IMFGetService;
hr = gs.GetService(MFServices.MR_VIDEO_MIXER_SERVICE, typeof(IMFVideoMixerBitmap).GUID, out o);
MFError.ThrowExceptionForHR(hr);
m_vmb = o as IMFVideoMixerBitmap;
}
private void CloseInterfaces()
{
int hr = 0;
try
{
lock (this)
{
// Relinquish ownership (IMPORTANT!) after hiding video window
//if (!this.isAudioOnly)
//{
// hr = this.videoWindow.put_Visible(OABool.False);
// DsError.ThrowExceptionForHR(hr);
// hr = this.videoWindow.put_Owner(IntPtr.Zero);
// DsError.ThrowExceptionForHR(hr);
//}
//#if DEBUG
try
{
if (rot != null)
{
rot.Dispose();
rot = null;
}
} catch {}
//#endif
if (evrDisplay != null)
{
//evrDisplay.SetVideoWindow(IntPtr.Zero);
Marshal.ReleaseComObject(evrDisplay);
}
evrDisplay = null;
//if (rateSupport != null)
//{
// //evrDisplay.SetVideoWindow(IntPtr.Zero);
// Marshal.ReleaseComObject(rateSupport);
//}
//rateSupport = null;
//if (stateSink != null)
//{
// //evrDisplay.SetVideoWindow(IntPtr.Zero);
// Marshal.ReleaseComObject(stateSink);
//}
//stateSink = null;
if (mixBmp != null)
Marshal.ReleaseComObject(mixBmp);
mixBmp = null;
if (this.evrRenderer != null)
Marshal.ReleaseComObject(evrRenderer);
evrRenderer = null;
if (cpsett != null)
Marshal.ReleaseComObject(cpsett);
cpsett = null;
if (dvdSubtitle != null)
Marshal.ReleaseComObject(dvdSubtitle);
dvdSubtitle = null;
if (dvdCtrl != null)
{
hr = dvdCtrl.SetOption(DvdOptionFlag.ResetOnStop, true);
}
if (cmdOption != null)
{
Marshal.ReleaseComObject(cmdOption);
cmdOption = null;
}
pendingCmd = false;
dvdCtrl = null;
if (dvdInfo != null)
{
Marshal.ReleaseComObject(dvdInfo);
dvdInfo = null;
}
if (this.mediaEventEx != null)
{
if(dvdGraph != null)
hr = this.mediaEventEx.SetNotifyWindow(IntPtr.Zero, WM.DVD_EVENT, IntPtr.Zero);
else
hr = this.mediaEventEx.SetNotifyWindow(IntPtr.Zero, WM.NULL, IntPtr.Zero);
//DsError.ThrowExceptionForHR(hr);
}
if (audioRenderer != null)
Marshal.ReleaseComObject(audioRenderer);
audioRenderer = null;
// Release and zero DirectShow interfaces
if (this.mediaEventEx != null)
this.mediaEventEx = null;
if (this.mediaSeeking != null)
this.mediaSeeking = null;
if (this.mediaPosition != null)
this.mediaPosition = null;
if (this.mediaControl != null)
this.mediaControl = null;
if (this.basicAudio != null)
this.basicAudio = null;
if (this.basicVideo != null)
this.basicVideo = null;
//if (this.videoWindow != null)
// this.videoWindow = null;
if (this.frameStep != null)
this.frameStep = null;
if (this.graphBuilder != null)
Marshal.ReleaseComObject(this.graphBuilder); this.graphBuilder = null;
if (this.dvdGraph != null)
Marshal.ReleaseComObject(dvdGraph); dvdGraph = null;
GC.Collect();
}
}
catch
{
}
}
private void SetupEvrDisplay()
{
int hr=0;
//Guid presenterCLSID = new Guid(0xeb449d36, 0x4, 0x4ea8, 0x90, 0x74, 0x40, 0xc5, 0xf4, 0x94, 0xb5, 0xe4);
//Guid presenterCLSID = new Guid(0x9707fc9c, 0x807b, 0x41e3, 0x98, 0xa8, 0x75, 0x17, 0x6f, 0x95, 0xa0, 0x62);
//Guid presenterCLSID = new Guid("29FAB022-F7CC-4819-B2B8-D9B6BCFB6698");
IMFGetService mfgs = evrRenderer as IMFGetService;
if (mfgs != null)
{
IMFVideoPresenter pPresenter = null;
try
{
if (ps.CustomPresenterEnabled)
{
Guid presenterCLSID = new Guid(ps.CustomPresenter);
IMFVideoRenderer pRenderer = evrRenderer as IMFVideoRenderer;
Type type = Type.GetTypeFromCLSID(presenterCLSID);
pPresenter = (IMFVideoPresenter)Activator.CreateInstance(type);
if (pPresenter != null)
{
try
{
pRenderer.InitializeRenderer(null, pPresenter);
cpsett = pPresenter as IEVRCPConfig;
if (cpsett != null)
{
int range;
float alpha;
bool mftime;
hr = cpsett.GetInt(EVRCPSetting.NOMINAL_RANGE, out range);
hr = cpsett.SetInt(EVRCPSetting.NOMINAL_RANGE, range);
hr = cpsett.GetFloat(EVRCPSetting.SUBTITLE_ALPHA, out alpha);
hr = cpsett.SetFloat(EVRCPSetting.SUBTITLE_ALPHA, alpha);
hr = cpsett.GetBool(EVRCPSetting.USE_MF_TIME_CALC, out mftime);
hr = cpsett.SetBool(EVRCPSetting.USE_MF_TIME_CALC, mftime);
hr = cpsett.GetInt(EVRCPSetting.FRAME_DROP_THRESHOLD, out range);
hr = cpsett.SetInt(EVRCPSetting.FRAME_DROP_THRESHOLD, range+1);
hr = cpsett.GetBool(EVRCPSetting.EVRCP_SETTING_REQUEST_OVERLAY, out mftime);
hr = cpsett.SetBool(EVRCPSetting.EVRCP_SETTING_REQUEST_OVERLAY, false);
}
}
finally
{
if (pPresenter != null && cpsett == null)
Marshal.ReleaseComObject(pPresenter);
}
}
}
//object objStateSink = null;
//mfgs.GetService(MFServices.MR_VIDEO_RENDER_SERVICE,
// typeof(IMFClockStateSink).GUID,
// out objStateSink);
//stateSink = objStateSink as IMFClockStateSink;
//object objRateSupp= null;
//mfgs.GetService(MFServices.MR_VIDEO_RENDER_SERVICE,
// typeof(IMFRateSupport).GUID,
// out objRateSupp);
//rateSupport = objRateSupp as IMFRateSupport;
object objMixBmp = null;
mfgs.GetService(MFServices.MR_VIDEO_MIXER_SERVICE,
typeof(IMFVideoMixerBitmap).GUID,
out objMixBmp);
mixBmp = objMixBmp as IMFVideoMixerBitmap;
object objDisplay = null;
mfgs.GetService(MFServices.MR_VIDEO_RENDER_SERVICE,
typeof(IMFVideoDisplayControl).GUID,
out objDisplay
);
FileLogger.Log("PlayMovieInWindow: MR_VIDEO_RENDER_SERVICE");
evrDisplay = objDisplay as IMFVideoDisplayControl;
this.evrDisplay.SetVideoWindow(this.Handle);
MediaFoundation.Misc.MFSize videoSize = new MediaFoundation.Misc.MFSize();
MediaFoundation.Misc.MFSize ar = new MediaFoundation.Misc.MFSize();
//evrDisplay.GetNativeVideoSize(videoSize, ar);
if ((videoSize.cx == 0 && videoSize.cy == 0) || videoSize.cx <= 0)
{
IEVRFilterConfig evrConfig = evrRenderer as IEVRFilterConfig;
int pdwMaxStreams;
evrConfig.GetNumberOfStreams(out pdwMaxStreams);
FileLogger.Log("NumberOfStreams: {0}", pdwMaxStreams);
if (pdwMaxStreams < 1)
{
evrConfig.SetNumberOfStreams(1);
FileLogger.Log("Set NumberOfStreams: {0}", 1);
}
}
//object objMemConfig = null;
//mfgs.GetService(MFServices.MR_VIDEO_ACCELERATION_SERVICE, typeof(IDirectXVideoMemoryConfiguration).GUID, out objMemConfig);
}
catch (InvalidCastException)
{
//do nothing
}
}
}