public void OpenOverlay(Guid gPresenter)
{
object o;
if (m_ImageHandlers != null)
{
foreach (ImageHandler ih in m_ImageHandlers)
{
ih.Dispose();
}
m_ImageHandlers = null;
}
m_ImageHandlers = new ImageHandler[2];
m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("YUY2"), 320, 240, 16);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC(3), 320, 240, 32, 255);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("AYUV"), 320, 240, 32, 255);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("NV12"), 320, 240, 12, 255);
//m_ImageHandlers[1] = new ImageFromText(30, new FourCC(3), 320, 240, 32);
m_ImageHandlers[1] = new ImageFromText(30, new FourCC("AYUV"), 320, 240, 32);
InitializeGraph();
SetupGraph(gPresenter);
IMFGetService pGetService = (IMFGetService)m_pEVR;
pGetService.GetService(MFServices.MR_VIDEO_MIXER_SERVICE, typeof(IMFVideoMixerControl).GUID, out o);
m_pMixer = (IMFVideoMixerControl)o;
pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoPositionMapper).GUID, out o);
m_pMapper = (IMFVideoPositionMapper)o;
}
private void TearDownGraph()
{
#if DEBUG
if (m_rot != null)
{
m_rot.Dispose();
m_rot = null;
}
#endif
// Stop sending event messages
if (m_pEvent != null)
{
m_pEvent.SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
m_pEvent = null;
}
if (m_pControl != null)
{
m_pControl.Stop();
m_pControl = null;
}
if (m_pDisplay != null)
{
//Marshal.ReleaseComObject(m_pDisplay);
m_pDisplay = null;
}
if (m_pMapper != null)
{
Marshal.ReleaseComObject(m_pMapper);
m_pMapper = null;
}
if (m_pMixer != null)
{
Marshal.ReleaseComObject(m_pMixer);
m_pMixer = null;
}
if (m_pEVR != null)
{
Marshal.ReleaseComObject(m_pEVR);
m_pEVR = null;
}
if (m_pGraph != null)
{
Marshal.ReleaseComObject(m_pGraph);
m_pGraph = null;
}
m_state = PlaybackState.Closed;
m_seekCaps = 0;
m_pSeek = null;
}
private void TearDownGraph()
{
#if DEBUG
if (m_rot != null)
{
m_rot.Dispose();
m_rot = null;
}
#endif
// Stop sending event messages
if (m_pEvent != null)
{
m_pEvent.SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
m_pEvent = null;
}
if (m_pControl != null)
{
m_pControl.Stop();
m_pControl = null;
}
if (m_pDisplay != null)
{
//Marshal.ReleaseComObject(m_pDisplay);
m_pDisplay = null;
}
if (m_pMapper != null)
{
Marshal.ReleaseComObject(m_pMapper);
m_pMapper = null;
}
if (m_pMixer != null)
{
Marshal.ReleaseComObject(m_pMixer);
m_pMixer = null;
}
if (m_pEVR != null)
{
Marshal.ReleaseComObject(m_pEVR);
m_pEVR = null;
}
if (m_pGraph != null)
{
Marshal.ReleaseComObject(m_pGraph);
m_pGraph = null;
}
m_state = PlaybackState.Closed;
m_seekCaps = 0;
m_pSeek = null;
}
private void InitializeEVR(IBaseFilter pEVR, int dwStreams, out IMFVideoDisplayControl ppDisplay)
{
IMFVideoRenderer pRenderer;
IMFVideoDisplayControl pDisplay;
IEVRFilterConfig pConfig;
IMFVideoPresenter pPresenter;
// Before doing anything else, set any custom presenter or mixer.
// Presenter?
if (m_clsidPresenter != Guid.Empty)
{
Type type = Type.GetTypeFromCLSID(m_clsidPresenter);
// An error here means that the custom presenter sample from
// http://mfnet.sourceforge.net hasn't been installed or
// registered.
pPresenter = (IMFVideoPresenter)Activator.CreateInstance(type);
try
{
pRenderer = (IMFVideoRenderer)pEVR;
pRenderer.InitializeRenderer(null, pPresenter);
}
finally
{
//Marshal.ReleaseComObject(pPresenter);
}
}
// Continue with the rest of the set-up.
// Set the video window.
object o;
IMFGetService pGetService = null;
pGetService = (IMFGetService)pEVR;
pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out o);
try
{
pDisplay = (IMFVideoDisplayControl)o;
}
catch
{
Marshal.ReleaseComObject(o);
throw;
}
try
{
// Set the number of streams.
pDisplay.SetVideoWindow(m_hwndVideo.Handle);
if (dwStreams > 1)
{
pConfig = (IEVRFilterConfig)pEVR;
pConfig.SetNumberOfStreams(dwStreams);
}
// Set the display position to the entire window.
Rectangle r = m_hwndVideo.ClientRectangle;
MFRect rc = new MFRect(r.Left, r.Top, r.Right, r.Bottom);
pDisplay.SetVideoPosition(null, rc);
// Return the IMFVideoDisplayControl pointer to the caller.
ppDisplay = pDisplay;
}
finally
{
//Marshal.ReleaseComObject(pDisplay);
}
m_pMixer = null;
}
public void OpenOverlay(Guid gPresenter)
{
object o;
if (m_ImageHandlers != null)
{
foreach (ImageHandler ih in m_ImageHandlers)
{
ih.Dispose();
}
m_ImageHandlers = null;
}
m_ImageHandlers = new ImageHandler[2];
m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("YUY2"), 320, 240, 16);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC(3), 320, 240, 32, 255);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("AYUV"), 320, 240, 32, 255);
//m_ImageHandlers[0] = new ImageFromPixels(30, new FourCC("NV12"), 320, 240, 12, 255);
//m_ImageHandlers[1] = new ImageFromText(30, new FourCC(3), 320, 240, 32);
m_ImageHandlers[1] = new ImageFromText(30, new FourCC("AYUV"), 320, 240, 32);
InitializeGraph();
SetupGraph(gPresenter);
IMFGetService pGetService = (IMFGetService)m_pEVR;
pGetService.GetService(MFServices.MR_VIDEO_MIXER_SERVICE, typeof(IMFVideoMixerControl).GUID, out o);
m_pMixer = (IMFVideoMixerControl)o;
pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoPositionMapper).GUID, out o);
m_pMapper = (IMFVideoPositionMapper)o;
}
private void InitializeEVR(IBaseFilter pEVR, int dwStreams, out IMFVideoDisplayControl ppDisplay)
{
IMFVideoRenderer pRenderer;
IMFVideoDisplayControl pDisplay;
IEVRFilterConfig pConfig;
IMFVideoPresenter pPresenter;
// Before doing anything else, set any custom presenter or mixer.
// Presenter?
if (m_clsidPresenter != Guid.Empty)
{
Type type = Type.GetTypeFromCLSID(m_clsidPresenter);
// An error here means that the custom presenter sample from
// http://mfnet.sourceforge.net hasn't been installed or
// registered.
pPresenter = (IMFVideoPresenter)Activator.CreateInstance(type);
try
{
pRenderer = (IMFVideoRenderer)pEVR;
pRenderer.InitializeRenderer(null, pPresenter);
}
finally
{
//Marshal.ReleaseComObject(pPresenter);
}
}
// Continue with the rest of the set-up.
// Set the video window.
object o;
IMFGetService pGetService = null;
pGetService = (IMFGetService)pEVR;
pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out o);
try
{
pDisplay = (IMFVideoDisplayControl)o;
}
catch
{
Marshal.ReleaseComObject(o);
throw;
}
try
{
// Set the number of streams.
pDisplay.SetVideoWindow(m_hwndVideo.Handle);
if (dwStreams > 1)
{
pConfig = (IEVRFilterConfig)pEVR;
pConfig.SetNumberOfStreams(dwStreams);
}
// Set the display position to the entire window.
Rectangle r = m_hwndVideo.ClientRectangle;
MFRect rc = new MFRect(r.Left, r.Top, r.Right, r.Bottom);
pDisplay.SetVideoPosition(null, rc);
// Return the IMFVideoDisplayControl pointer to the caller.
ppDisplay = pDisplay;
}
finally
{
//Marshal.ReleaseComObject(pDisplay);
}
m_pMixer = null;
}
