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"); }
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 DoTests() { int hr = 0; IVMRFilterConfig vmrConfig = null; DsROTEntry ROT = null; this.Show(); try { // Just build the graph with unconnected source filter and VMR7 BuildGraph(testFile, out this.graphBuilder, out this.sourceFilter, out this.vmr7Filter); // VMR7 need to be placed in Windowless mode before connecting it to the rest of the graph vmrConfig = this.vmr7Filter as IVMRFilterConfig; hr = vmrConfig.SetRenderingMode(VMRMode.Windowless); Marshal.ThrowExceptionForHR(hr); this.vmrWndConfig = this.vmr7Filter as IVMRWindowlessControl; TestSetVideoClippingWindow(); TestAspectRatioMode(); TestBorderColor(); TestColorKey(); TestGetMaxIdealVideoSize(); TestGetMinIdealVideoSize(); // Connect source filter with the VMR7 ConnectGraph(ref this.graphBuilder, ref this.sourceFilter, ref this.vmr7Filter); ROT = new DsROTEntry(this.graphBuilder); // Run the graph to test other methods this.mediaControl = this.graphBuilder as IMediaControl; hr = this.mediaControl.Run(); Marshal.ThrowExceptionForHR(hr); this.timer = new System.Windows.Forms.Timer(); this.timer.Interval = 2000; this.timer.Enabled = true; this.timer.Tick += new EventHandler(DoTestsPart2); this.timer.Start(); this.isPlaying = true; TestVideoPosition(); Application.Run(this); } finally { if (ROT != null) { ROT.Dispose(); } if (this.mediaControl != null) { this.mediaControl.Stop(); } Marshal.ReleaseComObject(this.vmr7Filter); Marshal.ReleaseComObject(this.sourceFilter); Marshal.ReleaseComObject(this.graphBuilder); } }