private void AddVideoRenderer()
{
int hr;
_videoRender = (IBaseFilter) new VideoMixingRenderer();
Debug.Assert(_videoRender != null);
hr = _graphBuilder.AddFilter(_videoRender, "VMR7");
DsError.ThrowExceptionForHR(hr);
// Configure the video renderer
if (_hostControl != null)
{
IVMRFilterConfig vmrFilterConfig = (IVMRFilterConfig)_videoRender;
hr = vmrFilterConfig.SetRenderingMode(VMRMode.Windowless);
DsError.ThrowExceptionForHR(hr);
_vmrWindowlessControl = (IVMRWindowlessControl)_videoRender;
hr = _vmrWindowlessControl.SetAspectRatioMode(VMRAspectRatioMode.LetterBox);
DsError.ThrowExceptionForHR(hr);
hr = _vmrWindowlessControl.SetVideoClippingWindow(_hostControl.Handle);
DsError.ThrowExceptionForHR(hr);
ResizeMoveHandler(null, null);
_hostControl.Paint += new PaintEventHandler(PaintHandler);
_hostControl.Resize += new EventHandler(ResizeMoveHandler);
_hostControl.Move += new EventHandler(ResizeMoveHandler);
}
else
{
throw new Exception("Host control not specified");
}
}
protected override void Initialize(IGraphBuilder pGraphBuilder, IntPtr hMediaWindow)
{
// QUERY the VMR interfaces
try
{
_pVMRFilterConfig = (IVMRFilterConfig)BaseFilter;
_pVMRFilterConfig.SetRenderingMode(VMRMode.VMRMode_Windowless);
_pVMRWindowlessControl = (IVMRWindowlessControl)BaseFilter;
_pVMRWindowlessControl.SetVideoClippingWindow(hMediaWindow);
_pVMRWindowlessControl.SetAspectRatioMode(VMR_ASPECT_RATIO_MODE.VMR_ARMODE_NONE);
}
catch (Exception e)
{
throw new FilterGraphBuilderException(GraphBuilderError.ConfigureVMR, e);
}
}
protected void AddVideoRender()
{
int hr;
_videoRender = (IBaseFilter) new VideoMixingRenderer();
hr = _graphBuilder.AddFilter(_videoRender, "VMR");
DsError.ThrowExceptionForHR(hr);
// Configure the video renderer
IVMRFilterConfig vmrFilterConfig = (IVMRFilterConfig)_videoRender;
hr = vmrFilterConfig.SetRenderingMode(VMRMode.Windowless);
DsError.ThrowExceptionForHR(hr);
_windowlessControl = (IVMRWindowlessControl)_videoRender;
hr = _windowlessControl.SetAspectRatioMode(VMRAspectRatioMode.LetterBox);
DsError.ThrowExceptionForHR(hr);
NotifyPropertyChanged("VideoRender");
}
private void ConfigureVMR()
{
baseFilter = (IBaseFilter)new VideoMixingRenderer();
IVMRFilterConfig filterConfig = (IVMRFilterConfig)baseFilter;
filterConfig.SetNumberOfStreams(1);
filterConfig.SetRenderingMode(VMRMode.Windowless);
VMRCtrl = (IVMRWindowlessControl)baseFilter;
VMRCtrl.SetVideoClippingWindow(winHandle);
VMRCtrl.SetAspectRatioMode(VMRAspectRatioMode.LetterBox);
Form1_ResizeMove(null, null);
graphBuilder.AddFilter(baseFilter, "Video Mixing Renderer");
}
