private IBaseFilter GetRendererFilter(EVideoRendererType videoRendererType)
{
switch (videoRendererType)
{
case EVideoRendererType.EnhancedVideoRenderer:
var evr = new EnhancedVideoRenderer();
var evrFilter = (IBaseFilter)evr;
// Initialize the EVR renderer with our custom video presenter
var evrPresenter = EVRPresenter.Create();
((IMFVideoRenderer)evr).InitializeRenderer(null, evrPresenter.VideoPresenter);
// Configure the presenter with our hWnd
var displayControl = (IMFVideoDisplayControl)evrPresenter.VideoPresenter;
displayControl.SetVideoWindow(_hwnd);
_customPresenter = evrPresenter;
_customPresenter.NewSurfaceEvent += _player.NewSurface;
_customPresenter.NewFrameEvent += _player.NewFrame;
return(evrFilter);
case EVideoRendererType.VideoMixingRenderer:
var vmr = new VideoMixingRenderer9();
var vmrFilter = (IBaseFilter)vmr;
var vmrPresenter = VMR9Presenter.Create();
// Initialize the VMR renderer with out custom video presenter
var filterConfig = (IVMRFilterConfig9)vmr;
filterConfig.SetRenderingMode(VMR9Mode.Renderless);
filterConfig.SetNumberOfStreams(1);
var surfaceAllocatorNotify = (IVMRSurfaceAllocatorNotify9)vmr;
surfaceAllocatorNotify.AdviseSurfaceAllocator(IntPtr.Zero, vmrPresenter.SurfaceAllocator);
vmrPresenter.SurfaceAllocator.AdviseNotify(surfaceAllocatorNotify);
_customPresenter = vmrPresenter;
_customPresenter.NewSurfaceEvent += _player.NewSurface;
_customPresenter.NewFrameEvent += _player.NewFrame;
return(vmrFilter);
}
return(null);
}
/// <summary>
/// Creates an instance of the EVR
/// </summary>
private IBaseFilter CreateEnhancedVideoRenderer(IGraphBuilder graph)
{
var evr = new EnhancedVideoRenderer();
var filter = evr as IBaseFilter;
int hr = graph.AddFilter(filter, string.Format("Renderer: {0}", VideoRendererType.EnhancedVideoRenderer));
DsError.ThrowExceptionForHR(hr);
/* QueryInterface for the IMFVideoRenderer */
var videoRenderer = filter as IMFVideoRenderer;
if (videoRenderer == null)
throw new Exception("Could not QueryInterface for the IMFVideoRenderer");
/* Create a new EVR presenter */
var presenter = EvrPresenter.CreateNew();
/* Initialize the EVR renderer with the custom video presenter */
hr = videoRenderer.InitializeRenderer(null, presenter.VideoPresenter);
DsError.ThrowExceptionForHR(hr);
var presenterSettings = presenter.VideoPresenter as IEVRPresenterSettings;
if (presenterSettings == null)
throw new Exception("Could not QueryInterface for the IEVRPresenterSettings");
presenterSettings.SetBufferCount(4);
/* Use our interop hWnd */
IntPtr handle = HwndHelper.Handle;
/* QueryInterface the IMFVideoDisplayControl */
var displayControl = presenter.VideoPresenter as IMFVideoDisplayControl;
if (displayControl == null)
throw new Exception("Could not QueryInterface the IMFVideoDisplayControl");
/* Configure the presenter with our hWnd */
hr = displayControl.SetVideoWindow(handle);
DsError.ThrowExceptionForHR(hr);
var filterConfig = filter as IEVRFilterConfig;
if(filterConfig != null)
filterConfig.SetNumberOfStreams(4);
RegisterCustomAllocator(presenter);
return filter;
}
/// <summary>
/// Creates an instance of the EVR
/// </summary>
private IBaseFilter CreateEnhancedVideoRenderer(IGraphBuilder graph, int streamCount)
{
EvrPresenter presenter;
IBaseFilter filter;
lock (m_videoRendererInitLock)
{
var evr = new EnhancedVideoRenderer();
filter = evr as IBaseFilter;
int hr = graph.AddFilter(filter, string.Format("Renderer: {0}", VideoRendererType.EnhancedVideoRenderer));
DsError.ThrowExceptionForHR(hr);
/* QueryInterface for the IMFVideoRenderer */
var videoRenderer = filter as IMFVideoRenderer;
if (videoRenderer == null)
{
throw new Exception("Could not QueryInterface for the IMFVideoRenderer");
}
/* Create a new EVR presenter */
presenter = EvrPresenter.CreateNew();
/* Initialize the EVR renderer with the custom video presenter */
hr = videoRenderer.InitializeRenderer(null, presenter.VideoPresenter);
DsError.ThrowExceptionForHR(hr);
var presenterSettings = presenter.VideoPresenter as IEVRPresenterSettings;
if (presenterSettings == null)
{
throw new Exception("Could not QueryInterface for the IEVRPresenterSettings");
}
presenterSettings.SetBufferCount(3);
/* Use our interop hWnd */
IntPtr handle = GetDesktopWindow();//HwndHelper.Handle;
/* QueryInterface the IMFVideoDisplayControl */
var displayControl = presenter.VideoPresenter as IMFVideoDisplayControl;
if (displayControl == null)
{
throw new Exception("Could not QueryInterface the IMFVideoDisplayControl");
}
/* Configure the presenter with our hWnd */
hr = displayControl.SetVideoWindow(handle);
DsError.ThrowExceptionForHR(hr);
var filterConfig = filter as IEVRFilterConfig;
if (filterConfig != null)
{
filterConfig.SetNumberOfStreams(streamCount);
}
}
RegisterCustomAllocator(presenter);
return(filter);
}
private IBaseFilter GetRendererFilter(EVideoRendererType videoRendererType)
{
switch (videoRendererType)
{
case EVideoRendererType.EnhancedVideoRenderer:
var evr = new EnhancedVideoRenderer();
var evrFilter = (IBaseFilter)evr;
// Initialize the EVR renderer with our custom video presenter
var evrPresenter = EVRPresenter.Create();
((IMFVideoRenderer)evr).InitializeRenderer(null, evrPresenter.VideoPresenter);
// Configure the presenter with our hWnd
var displayControl = (IMFVideoDisplayControl)evrPresenter.VideoPresenter;
displayControl.SetVideoWindow(_hwnd);
_customPresenter = evrPresenter;
_customPresenter.NewSurfaceEvent += _player.NewSurface;
_customPresenter.NewFrameEvent += _player.NewFrame;
return evrFilter;
case EVideoRendererType.VideoMixingRenderer:
var vmr = new VideoMixingRenderer9();
var vmrFilter = (IBaseFilter)vmr;
var vmrPresenter = VMR9Presenter.Create();
// Initialize the VMR renderer with out custom video presenter
var filterConfig = (IVMRFilterConfig9)vmr;
filterConfig.SetRenderingMode(VMR9Mode.Renderless);
filterConfig.SetNumberOfStreams(1);
var surfaceAllocatorNotify = (IVMRSurfaceAllocatorNotify9)vmr;
surfaceAllocatorNotify.AdviseSurfaceAllocator(IntPtr.Zero, vmrPresenter.SurfaceAllocator);
vmrPresenter.SurfaceAllocator.AdviseNotify(surfaceAllocatorNotify);
_customPresenter = vmrPresenter;
_customPresenter.NewSurfaceEvent += _player.NewSurface;
_customPresenter.NewFrameEvent += _player.NewFrame;
return vmrFilter;
}
return null;
}