/// <summary>
/// Add VMR7 filter to graph and configure it
/// </summary>
/// <param name="graphBuilder"></param>
public void AddVMR7(IGraphBuilder graphBuilder)
{
Log.Info("VMR7Helper:AddVMR7");
if (vmr7intialized)
{
return;
}
VMR7Filter = (IBaseFilter) new VideoMixingRenderer();
if (VMR7Filter == null)
{
Error.SetError("Unable to play movie", "VMR7 is not installed");
Log.Error("VMR7Helper:Failed to get instance of VMR7 ");
return;
}
int hr;
IVMRFilterConfig config = VMR7Filter as IVMRFilterConfig;
if (config != null)
{
hr = config.SetNumberOfStreams(1);
if (hr != 0)
{
Log.Error("VMR7Helper:Failed to set number of streams:0x{0:X}", hr);
DirectShowUtil.ReleaseComObject(VMR7Filter);
VMR7Filter = null;
return;
}
}
hr = graphBuilder.AddFilter(VMR7Filter, "Video Mixing Renderer");
if (hr != 0)
{
Error.SetError("Unable to play movie", "Unable to initialize VMR7");
Log.Error("VMR7Helper:Failed to add VMR7 to filtergraph");
DirectShowUtil.ReleaseComObject(VMR7Filter);
VMR7Filter = null;
return;
}
m_graphBuilder = graphBuilder;
m_mixerBitmap = VMR7Filter as IVMRMixerBitmap;
quality = VMR7Filter as IQualProp;
g_vmr7 = this;
vmr7intialized = true;
}
public void BuildGraph()
{
int hr = 0;
graphBuilder = (IFilterGraph2) new FilterGraph();
rot = new DsROTEntry(graphBuilder);
vmr = (IBaseFilter) new VideoMixingRenderer();
IVMRFilterConfig filterConfig = (IVMRFilterConfig)vmr;
hr = filterConfig.SetNumberOfStreams(2);
DsError.ThrowExceptionForHR(hr);
// Put the VMR7 in Renderless mode
hr = filterConfig.SetRenderingMode(VMRMode.Renderless);
DsError.ThrowExceptionForHR(hr);
surfaceAllocatorNotify = (IVMRSurfaceAllocatorNotify)vmr;
hr = surfaceAllocatorNotify.AdviseSurfaceAllocator(cookie, this);
DsError.ThrowExceptionForHR(hr);
defaultAllocatorPresenter = (IVMRSurfaceAllocator)Activator.CreateInstance(Type.GetTypeFromCLSID(VMRClsId.AllocPresenter));
form = new Form();
form.Show();
hr = (defaultAllocatorPresenter as IVMRWindowlessControl).SetVideoClippingWindow(form.Handle);
DsError.ThrowExceptionForHR(hr);
hr = this.AdviseNotify(surfaceAllocatorNotify);
DsError.ThrowExceptionForHR(hr);
hr = graphBuilder.AddFilter(vmr, "VMR");
hr = graphBuilder.RenderFile(@"..\..\..\Resources\foo.avi", null);
DsError.ThrowExceptionForHR(hr);
}
public void BuildGraph()
{
int hr = 0;
graphBuilder = (IFilterGraph2) new FilterGraph();
rot = new DsROTEntry(graphBuilder);
vmr = (IBaseFilter) new VideoMixingRenderer();
IVMRFilterConfig filterConfig = (IVMRFilterConfig)vmr;
hr = filterConfig.SetNumberOfStreams(2);
DsError.ThrowExceptionForHR(hr);
// Set the custom compositor
hr = filterConfig.SetImageCompositor(this);
DsError.ThrowExceptionForHR(hr);
IVMRMixerControl mixerControl = (IVMRMixerControl)vmr;
// In COLORREF, colors are coded in ABGR format
hr = mixerControl.SetBackgroundClr(backgroundColorABGR);
DsError.ThrowExceptionForHR(hr);
hr = graphBuilder.AddFilter(vmr, "VMR");
DsError.ThrowExceptionForHR(hr);
// The 2 VMR pins must be connected...
hr = graphBuilder.RenderFile(@"..\..\..\Resources\foo.avi", null);
DsError.ThrowExceptionForHR(hr);
hr = graphBuilder.RenderFile(@"..\..\..\Resources\foo.avi", null);
DsError.ThrowExceptionForHR(hr);
hr = (graphBuilder as IMediaControl).Run();
DsError.ThrowExceptionForHR(hr);
}
