Esempio n. 1
0
        protected override void OnGraphTimerTick()
        {
            if (m_graph != null)
            {
                IBaseFilter sourceFilter = null;
                try
                {
                    int result = m_graph.FindFilterByName(OnlineVideos.MPUrlSourceFilter.Downloader.FilterName, out sourceFilter);
                    if (result == 0)
                    {
                        long total = 0, current = 0;
                        ((IAMOpenProgress)sourceFilter).QueryProgress(out total, out current);
                        m_BufferedPercent = (float)current / (float)total * 100.0f;
                        InvokeBufferedPercentChanged();
                    }
                }
                catch (Exception ex)
                {
                    OnlineVideos.Log.Warn("Error Quering Progress: {0}", ex.Message);
                }
                finally
                {
                    if (sourceFilter != null)
                    {
                        Marshal.ReleaseComObject(sourceFilter);
                    }
                }
            }

            base.OnGraphTimerTick();
        }
Esempio n. 2
0
        public bool DisplayFilterPropPage(IntPtr hParent, string strFilter, bool bDisplay)
        {
            if (_graphBuilder == null)
            {
                return(false);
            }

            IBaseFilter pFilter;

            _graphBuilder.FindFilterByName(strFilter, out pFilter);
            if (pFilter == null)
            {
                return(false);
            }

            var bRet  = false;
            var pProp = pFilter as ISpecifyPropertyPages;

            if (pProp != null)
            {
                CAUUID caGuid;
                var    hr = pProp.GetPages(out caGuid);
                if (DsHlp.SUCCEEDED(hr) && caGuid.cElems > 0)
                {
                    bRet = true;

                    if (bDisplay)
                    {
                        // Show the page
                        object pFilterUnk = pFilter;
                        DsUtils.OleCreatePropertyFrame(
                            hParent,                // Parent window
                            0, 0,                   // Reserved
                            strFilter,              // Caption for the dialog box
                            1,                      // Number of objects (just the filter)
                            ref pFilterUnk,         // Array of object pointers.
                            caGuid.cElems,          // Number of property pages
                            caGuid.pElems,          // Array of property page CLSIDs
                            0,                      // Locale identifier
                            0, IntPtr.Zero          // Reserved
                            );
                    }
                }

                // Clean up
                if (caGuid.pElems != IntPtr.Zero)
                {
                    Marshal.FreeCoTaskMem(caGuid.pElems);
                }
            }

            Marshal.ReleaseComObject(pFilter);
            return(bRet);
        }
Esempio n. 3
0
        private void Configure()
        {
            int                   hr;
            IGraphBuilder         gb = null;
            AMDvdRenderStatus     drs;
            IDvdGraphBuilder      idgb = null;
            ICaptureGraphBuilder2 icgb = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
            object                o;
            IBaseFilter           pFilter;

            // Get the IDvdGraphBuilder interface
            idgb = (IDvdGraphBuilder) new DvdGraphBuilder();

            hr = idgb.RenderDvdVideoVolume(MyDisk, AMDvdGraphFlags.HWDecPrefer, out drs);
            DsError.ThrowExceptionForHR(hr);

            // If there is no dvd in the player, you get hr == S_FALSE (1)
            Debug.Assert(hr == 0, "Can't find dvd");

            // Get an IFilterGraph interface
            hr = idgb.GetFiltergraph(out gb);
            DsError.ThrowExceptionForHR(hr);

            hr = icgb.SetFiltergraph(gb);
            DsError.ThrowExceptionForHR(hr);

            hr = gb.FindFilterByName("DVD Navigator", out pFilter);
            DsError.ThrowExceptionForHR(hr);

            hr = icgb.FindInterface(null, null, pFilter, typeof(IAMDecoderCaps).GUID, out o);
            DsError.ThrowExceptionForHR(hr);

            m_idc = (IAMDecoderCaps)o;
        }
        private IBaseFilter GetSourceFilter()
        {
            IBaseFilter source;
            var         hr = graphBuilder.FindFilterByName(SourceFilterName, out source);

            DsError.ThrowExceptionForHR(hr);

            return(source);
        }
Esempio n. 5
0
        private void Config()
        {
            IBaseFilter   pFilter;
            IGraphBuilder gb = (IGraphBuilder) new FilterGraph();

            m_mc = (IMediaControl)gb;

            int hr = gb.RenderFile(@"foo.avi", null);

            hr = gb.FindFilterByName("Video Renderer", out pFilter);
            IPin iPin = DsFindPin.ByDirection(pFilter, PinDirection.Input, 0);

            m_pc = iPin as IPinConnection;
        }
        private void Config()
        {
            IGraphBuilder gb = (IGraphBuilder) new FilterGraph();
            IBaseFilter   pFilter;

            int hr = gb.RenderFile(@"nwn.mp1", null);

            DsError.ThrowExceptionForHR(hr);

            hr = gb.FindFilterByName("MPEG-I Stream Splitter", out pFilter);
            DsError.ThrowExceptionForHR(hr);

            m_ss = pFilter as IAMStreamSelect;
        }
Esempio n. 7
0
        private void PlayMovieInWindow()
        {
            int hr = 0;
            this.graphBuilder = (IGraphBuilder)new FilterGraph();

            //Добавляем в граф нужный рендерер (Auto - graphBuilder сам выберет рендерер)
            Settings.VRenderers renderer = Settings.VideoRenderer;
            if (renderer == Settings.VRenderers.Overlay)
            {
                IBaseFilter add_vr = (IBaseFilter)new VideoRenderer();
                hr = graphBuilder.AddFilter(add_vr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR7)
            {
                IBaseFilter add_vmr = (IBaseFilter)new VideoMixingRenderer();
                hr = graphBuilder.AddFilter(add_vmr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR9)
            {
                IBaseFilter add_vmr9 = (IBaseFilter)new VideoMixingRenderer9();
                hr = graphBuilder.AddFilter(add_vmr9, "Video Mixing Renderer 9");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.EVR)
            {
                //Создаём Win32-окно, т.к. использовать WPF-поверхность не получится
                VHost = new VideoHwndHost();
                VHost.RepaintRequired += new EventHandler(VHost_RepaintRequired);
                VHostElement.Visibility = Visibility.Visible;
                VHostElement.Child = VHost;
                VHandle = VHost.Handle;

                //Добавляем и настраиваем EVR
                IBaseFilter add_evr = (IBaseFilter)new EnhancedVideoRenderer();
                hr = graphBuilder.AddFilter(add_evr, "Enhanced Video Renderer");
                DsError.ThrowExceptionForHR(hr);

                object obj;
                IMFGetService pGetService = null;
                pGetService = (IMFGetService)add_evr;
                hr = pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out obj);
                MFError.ThrowExceptionForHR(hr);

                try
                {
                    EVRControl = (IMFVideoDisplayControl)obj;
                }
                catch
                {
                    Marshal.ReleaseComObject(obj);
                    throw;
                }

                //Указываем поверхность
                hr = EVRControl.SetVideoWindow(VHandle);
                MFError.ThrowExceptionForHR(hr);

                //Сохраняем аспект
                hr = EVRControl.SetAspectRatioMode(MFVideoAspectRatioMode.PreservePicture);
                MFError.ThrowExceptionForHR(hr);
            }

            // Have the graph builder construct its the appropriate graph automatically
            hr = this.graphBuilder.RenderFile(this.filepath, null);
            DsError.ThrowExceptionForHR(hr);

            if (EVRControl == null)
            {
                //Ищем рендерер и ВКЛЮЧАЕМ соблюдение аспекта (рендерер сам подгонит картинку под размер окна, с учетом аспекта)
                IsRendererARFixed = false;
                IBaseFilter filter = null;
                graphBuilder.FindFilterByName("Video Renderer", out filter);
                if (filter != null)
                {
                    IVMRAspectRatioControl vmr = filter as IVMRAspectRatioControl;
                    if (vmr != null)
                    {
                        DsError.ThrowExceptionForHR(vmr.SetAspectRatioMode(VMRAspectRatioMode.LetterBox));
                        IsRendererARFixed = true;
                    }
                }
                else
                {
                    graphBuilder.FindFilterByName("Video Mixing Renderer 9", out filter);
                    if (filter != null)
                    {
                        IVMRAspectRatioControl9 vmr9 = filter as IVMRAspectRatioControl9;
                        if (vmr9 != null)
                        {
                            DsError.ThrowExceptionForHR(vmr9.SetAspectRatioMode(VMRAspectRatioMode.LetterBox));
                            IsRendererARFixed = true;
                        }
                    }
                }
            }
            else
                IsRendererARFixed = true;

            this.mediaControl = (IMediaControl)this.graphBuilder;
            this.mediaEventEx = (IMediaEventEx)this.graphBuilder;
            this.mediaSeeking = (IMediaSeeking)this.graphBuilder;
            this.mediaPosition = (IMediaPosition)this.graphBuilder;
            this.videoWindow = (EVRControl == null) ? this.graphBuilder as IVideoWindow : null;
            this.basicVideo = (EVRControl == null) ? this.graphBuilder as IBasicVideo : null;
            this.basicAudio = this.graphBuilder as IBasicAudio;
            this.basicAudio.put_Volume(VolumeSet);
            this.CheckIsAudioOnly();
            if (!this.isAudioOnly)
            {
                if (videoWindow != null)
                {
                    hr = this.videoWindow.put_Owner(this.source.Handle);
                    DsError.ThrowExceptionForHR(hr);

                    hr = this.videoWindow.put_MessageDrain(this.source.Handle);
                    DsError.ThrowExceptionForHR(hr);

                    hr = this.videoWindow.put_WindowStyle(DirectShowLib.WindowStyle.Child | DirectShowLib.WindowStyle.ClipSiblings | DirectShowLib.WindowStyle.ClipChildren);
                    DsError.ThrowExceptionForHR(hr);
                }

                this.MoveVideoWindow();
            }
            else
            {
                if (VHost != null)
                {
                    VHost.Dispose();
                    VHost = null;
                    VHandle = IntPtr.Zero;
                    VHostElement.Child = null;
                    VHostElement.Visibility = Visibility.Collapsed;
                }
            }

            hr = this.mediaEventEx.SetNotifyWindow(this.source.Handle, WMGraphNotify, IntPtr.Zero);
            DsError.ThrowExceptionForHR(hr);

            //Восстанавливаем старую позицию
            if (mediaload == MediaLoad.Update && oldpos != TimeSpan.Zero)
            {
                if (NaturalDuration >= oldpos)
                {
                    hr = mediaPosition.put_CurrentPosition(oldpos.TotalSeconds);
                    DsError.ThrowExceptionForHR(hr);
                }
            }

            //Восстанавливаем старый PlayState
            if (mediaload == MediaLoad.Update && (oldplaystate == PlayState.Paused || oldplaystate == PlayState.Stopped))
            {
                hr = this.mediaControl.Pause();
                DsError.ThrowExceptionForHR(hr);
                this.currentState = PlayState.Paused;
                this.SetPlayIcon();
            }
            else
            {
                hr = this.mediaControl.Run();
                DsError.ThrowExceptionForHR(hr);
                this.currentState = PlayState.Running;
                this.SetPauseIcon();
            }

            AddFiltersToMenu();
        }
Esempio n. 8
0
    /// <summary> build the capture graph for grabber. </summary>
    private void SetupGraph(string FileName)
    {
      int hr;

      // Get the graphbuilder object
      this.graphBuilder = new FilterGraph() as IGraphBuilder;
      this.mediaControl = this.graphBuilder as IMediaControl;
      this.mediaSeeking = this.graphBuilder as IMediaSeeking;
      this.mediaEvent = this.graphBuilder as IMediaEvent;

      try
      {
        // Get the SampleGrabber interface
        this.sampleGrabber = new SampleGrabber() as ISampleGrabber;
        this.sampleGrabberFilter = sampleGrabber as IBaseFilter;

        ConfigureSampleGrabber(sampleGrabber);

        // Add the frame grabber to the graph
        hr = graphBuilder.AddFilter(sampleGrabberFilter, "Ds.NET Sample Grabber");
        DsError.ThrowExceptionForHR(hr);

        IBaseFilter aviSplitter = new AviSplitter() as IBaseFilter;

        // Add the aviSplitter to the graph
        hr = graphBuilder.AddFilter(aviSplitter, "Splitter");
        DsError.ThrowExceptionForHR(hr);

        // Have the graph builder construct its appropriate graph automatically
        hr = this.graphBuilder.RenderFile(FileName, null);
        DsError.ThrowExceptionForHR(hr);

#if DEBUG
        m_rot = new DsROTEntry(graphBuilder);
#endif

        // Remove the video renderer filter
        IBaseFilter defaultVideoRenderer = null;
        graphBuilder.FindFilterByName("Video Renderer", out defaultVideoRenderer);
        graphBuilder.RemoveFilter(defaultVideoRenderer);

        // Disconnect anything that is connected
        // to the output of the sample grabber
        IPin iPinSampleGrabberOut = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Output, 0);
        IPin iPinVideoIn;
        hr = iPinSampleGrabberOut.ConnectedTo(out iPinVideoIn);

        if (hr == 0)
        {
          // Disconnect the sample grabber output from the attached filters
          hr = iPinVideoIn.Disconnect();
          DsError.ThrowExceptionForHR(hr);

          hr = iPinSampleGrabberOut.Disconnect();
          DsError.ThrowExceptionForHR(hr);
        }
        else
        {
          // Try other way round because automatic renderer could not build
          // graph including the sample grabber
          IPin iPinAVISplitterOut = DsFindPin.ByDirection(aviSplitter, PinDirection.Output, 0);
          IPin iPinAVISplitterIn;
          hr = iPinAVISplitterOut.ConnectedTo(out iPinAVISplitterIn);
          DsError.ThrowExceptionForHR(hr);

          hr = iPinAVISplitterOut.Disconnect();
          DsError.ThrowExceptionForHR(hr);

          hr = iPinAVISplitterIn.Disconnect();
          DsError.ThrowExceptionForHR(hr);

          // Connect the avi splitter output to sample grabber
          IPin iPinSampleGrabberIn = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Input, 0);
          hr = graphBuilder.Connect(iPinAVISplitterOut, iPinSampleGrabberIn);
          DsError.ThrowExceptionForHR(hr);
        }

        // Add the null renderer to the graph
        nullrenderer = new NullRenderer() as IBaseFilter;
        hr = graphBuilder.AddFilter(nullrenderer, "Null renderer");
        DsError.ThrowExceptionForHR(hr);

        // Get the input pin of the null renderer
        IPin iPinNullRendererIn = DsFindPin.ByDirection(nullrenderer, PinDirection.Input, 0);

        // Connect the sample grabber to the null renderer
        hr = graphBuilder.Connect(iPinSampleGrabberOut, iPinNullRendererIn);
        DsError.ThrowExceptionForHR(hr);

        // Read and cache the image sizes
        SaveSizeInfo(sampleGrabber);

        this.GetFrameStepInterface();
      }
      finally
      {
      }
    }
        void SetupPlaybackGraph(string fname)
        {
            int hr;

            try
            {
                hr = graphBuilder.RenderFile(fname, null);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                AMMediaType media = new AMMediaType();
                media.majorType  = MediaType.Video;
                media.subType    = MediaSubType.RGB24;
                media.formatType = FormatType.VideoInfo;                                // ???
                hr = sampGrabber.SetMediaType(media);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = graphBuilder.AddFilter(baseGrabFlt, "Ds.NET Grabber");
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = graphBuilder.AddFilter(smartTee, "smartTee");
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                IBaseFilter renderer;
                hr = graphBuilder.FindFilterByName("Video Renderer", out renderer);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                IPin inPin;
                IPin srcPin;

                hr = DsUtils.GetPin(renderer, PinDirection.Input, out inPin, 0);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = inPin.ConnectedTo(out srcPin);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = srcPin.Disconnect();
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = graphBuilder.RemoveFilter(renderer);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                Marshal.ReleaseComObject(renderer);
                Marshal.ReleaseComObject(inPin);

                hr = DsUtils.GetPin(smartTee, PinDirection.Input, out inPin, 0);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                hr = graphBuilder.Connect(srcPin, inPin);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                Marshal.ReleaseComObject(srcPin);
                Marshal.ReleaseComObject(inPin);
                srcPin = inPin = null;

                hr = DsUtils.GetPin(smartTee, PinDirection.Output, out srcPin, 1);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                // grabber Input
                hr = DsUtils.GetPin(baseGrabFlt, PinDirection.Input, out inPin, 0);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                // smartTee -> grabber
                hr = graphBuilder.Connect(srcPin, inPin);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                Marshal.ReleaseComObject(srcPin);
                Marshal.ReleaseComObject(inPin);
                srcPin = inPin = null;


                if (preview)
                {
                    // grabber Input
                    hr = DsUtils.GetPin(smartTee, PinDirection.Output, out srcPin, 0);
                    if (hr < 0)
                    {
                        Marshal.ThrowExceptionForHR(hr);
                    }

                    hr = graphBuilder.Render(srcPin);
                    if (hr < 0)
                    {
                        Marshal.ThrowExceptionForHR(hr);
                    }
                    Marshal.ReleaseComObject(srcPin);
                    srcPin = null;
                }


                media = new AMMediaType();
                hr    = sampGrabber.GetConnectedMediaType(media);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                if ((media.formatType != FormatType.VideoInfo) || (media.formatPtr == IntPtr.Zero))
                {
                    throw new NotSupportedException("Unknown Grabber Media Format");
                }

                videoInfoHeader = (VideoInfoHeader)Marshal.PtrToStructure(media.formatPtr, typeof(VideoInfoHeader));
                Marshal.FreeCoTaskMem(media.formatPtr);
                media.formatPtr = IntPtr.Zero;

                //Modified according to the platform SDK, to capture the buffer
                hr = sampGrabber.SetBufferSamples(false);
                if (hr == 0)
                {
                    hr = sampGrabber.SetOneShot(false);
                }
                if (hr == 0)
                {
                    hr = sampGrabber.SetCallback(sampleGrabber, 1);
                }
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
            }
            catch (Exception ee)
            {
                throw new Exception("Could not setup graph\r\n" + ee.Message);
            }
        }
Esempio n. 10
0
        /// <summary> create the used COM components and get the interfaces. </summary>
        protected virtual bool GetDVDInterfaces(string path)
        {
            int hr;
            //Type	            comtype = null;
            object comobj = null;

            _freeNavigator = true;
            _dvdInfo       = null;
            _dvdCtrl       = null;
            bool   useAC3Filter    = false;
            string dvdNavigator    = "";
            string aspectRatioMode = "";
            string displayMode     = "";

            _videoPref = DvdPreferredDisplayMode.DisplayContentDefault;
            using (MediaPortal.Profile.Settings xmlreader = new MPSettings())
            {
                dvdNavigator    = xmlreader.GetValueAsString("dvdplayer", "navigator", "DVD Navigator");
                aspectRatioMode = xmlreader.GetValueAsString("dvdplayer", "armode", "").ToLower();

                dvdNavigator = "dslibdvdnav";

                if (aspectRatioMode == "crop")
                {
                    arMode = AspectRatioMode.Crop;
                }
                if (aspectRatioMode == "letterbox")
                {
                    arMode = AspectRatioMode.LetterBox;
                }
                if (aspectRatioMode == "stretch")
                {
                    arMode = AspectRatioMode.Stretched;
                }
                //if ( aspectRatioMode == "stretch" ) arMode = AspectRatioMode.zoom14to9;
                if (aspectRatioMode == "follow stream")
                {
                    arMode = AspectRatioMode.StretchedAsPrimary;
                }
                useAC3Filter = xmlreader.GetValueAsBool("dvdplayer", "ac3", false);
                displayMode  = xmlreader.GetValueAsString("dvdplayer", "displaymode", "").ToLower();
                if (displayMode == "default")
                {
                    _videoPref = DvdPreferredDisplayMode.DisplayContentDefault;
                }
                if (displayMode == "16:9")
                {
                    _videoPref = DvdPreferredDisplayMode.Display16x9;
                }
                if (displayMode == "4:3 pan scan")
                {
                    _videoPref = DvdPreferredDisplayMode.Display4x3PanScanPreferred;
                }
                if (displayMode == "4:3 letterbox")
                {
                    _videoPref = DvdPreferredDisplayMode.Display4x3LetterBoxPreferred;
                }
            }
            try
            {
                _dvdGraph = (IDvdGraphBuilder) new DvdGraphBuilder();

                hr = _dvdGraph.GetFiltergraph(out _graphBuilder);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                _rotEntry = new DsROTEntry((IFilterGraph)_graphBuilder);

                _vmr9Filter = (IBaseFilter) new VideoMixingRenderer9();
                IVMRFilterConfig9 config = _vmr9Filter as IVMRFilterConfig9;
                hr             = config.SetNumberOfStreams(1);
                hr             = config.SetRenderingMode(VMR9Mode.Windowless);
                windowlessCtrl = (IVMRWindowlessControl9)_vmr9Filter;
                windowlessCtrl.SetVideoClippingWindow(this.panVideoWin.Handle);


                //                config.SetRenderingPrefs(VMR9RenderPrefs.

                _graphBuilder.AddFilter(_vmr9Filter, "Video Mixing Renderer 9");

                //               _vmr7 = new VMR7Util();
                //               _vmr7.AddVMR7(_graphBuilder);

                try
                {
                    _dvdbasefilter = DirectShowUtil.AddFilterToGraph(_graphBuilder, dvdNavigator);
                    if (_dvdbasefilter != null)
                    {
                        IDvdControl2 cntl = (IDvdControl2)_dvdbasefilter;
                        if (cntl != null)
                        {
                            _dvdInfo = (IDvdInfo2)cntl;
                            _dvdCtrl = (IDvdControl2)cntl;
                            if (path != null)
                            {
                                if (path.Length != 0)
                                {
                                    cntl.SetDVDDirectory(path);
                                }
                            }
                            _dvdCtrl.SetOption(DvdOptionFlag.HMSFTimeCodeEvents, true); // use new HMSF timecode format
                            _dvdCtrl.SetOption(DvdOptionFlag.ResetOnStop, false);

                            AddPreferedCodecs(_graphBuilder);
                            DirectShowUtil.RenderOutputPins(_graphBuilder, _dvdbasefilter);


//                            _videoWin = _graphBuilder as IVideoWindow;
                            _freeNavigator = false;
                        }

                        //DirectShowUtil.ReleaseComObject( _dvdbasefilter); _dvdbasefilter = null;
                    }
                }
                catch (Exception ex)
                {
                    string strEx = ex.Message;
                }

                Guid riid;

                if (_dvdInfo == null)
                {
                    riid = typeof(IDvdInfo2).GUID;
                    hr   = _dvdGraph.GetDvdInterface(riid, out comobj);
                    if (hr < 0)
                    {
                        Marshal.ThrowExceptionForHR(hr);
                    }
                    _dvdInfo = (IDvdInfo2)comobj;
                    comobj   = null;
                }

                if (_dvdCtrl == null)
                {
                    riid = typeof(IDvdControl2).GUID;
                    hr   = _dvdGraph.GetDvdInterface(riid, out comobj);
                    if (hr < 0)
                    {
                        Marshal.ThrowExceptionForHR(hr);
                    }
                    _dvdCtrl = (IDvdControl2)comobj;
                    comobj   = null;
                }

                _mediaCtrl  = (IMediaControl)_graphBuilder;
                _mediaEvt   = (IMediaEventEx)_graphBuilder;
                _basicAudio = _graphBuilder as IBasicAudio;
                _mediaPos   = (IMediaPosition)_graphBuilder;
                _mediaSeek  = (IMediaSeeking)_graphBuilder;
                _mediaStep  = (IVideoFrameStep)_graphBuilder;
                _basicVideo = _graphBuilder as IBasicVideo2;
                _videoWin   = _graphBuilder as IVideoWindow;

                // disable Closed Captions!
                IBaseFilter baseFilter;
                _graphBuilder.FindFilterByName("Line 21 Decoder", out baseFilter);
                if (baseFilter == null)
                {
                    _graphBuilder.FindFilterByName("Line21 Decoder", out baseFilter);
                }
                if (baseFilter != null)
                {
                    _line21Decoder = (IAMLine21Decoder)baseFilter;
                    if (_line21Decoder != null)
                    {
                        AMLine21CCState state = AMLine21CCState.Off;
                        hr = _line21Decoder.SetServiceState(state);
                        if (hr == 0)
                        {
                            logger.Info("DVDPlayer:Closed Captions disabled");
                        }
                        else
                        {
                            logger.Info("DVDPlayer:failed 2 disable Closed Captions");
                        }
                    }
                }

                /*
                 *      // get video window
                 *      if (_videoWin==null)
                 *      {
                 *        riid = typeof( IVideoWindow ).GUID;
                 *        hr = _dvdGraph.GetDvdInterface( ref riid, out comobj );
                 *        if( hr < 0 )
                 *          Marshal.ThrowExceptionForHR( hr );
                 *        _videoWin = (IVideoWindow) comobj; comobj = null;
                 *      }
                 */
                // GetFrameStepInterface();

                DirectShowUtil.SetARMode(_graphBuilder, arMode);
                DirectShowUtil.EnableDeInterlace(_graphBuilder);
                //m_ovMgr = new OVTOOLLib.OvMgrClass();
                //m_ovMgr.SetGraph(_graphBuilder);

                return(true);
            }
            catch (Exception)
            {
                //MessageBox.Show( this, "Could not get interfaces\r\n" + ee.Message, "DVDPlayer.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop );
                CloseDVDInterfaces();
                return(false);
            }
            finally
            {
                if (comobj != null)
                {
                    DirectShowUtil.ReleaseComObject(comobj);
                }
                comobj = null;
            }
        }
    /// <summary>
    /// Find the overlay mixer and/or the VMR9 windowless filters
    /// and tell them we dont want a fixed Aspect Ratio
    /// Mediaportal handles AR itself
    /// </summary>
    /// <param name="graphBuilder"></param>
    public static void SetARMode(IGraphBuilder graphBuilder, AspectRatioMode ARRatioMode)
    {
      int hr;
      IBaseFilter overlay;
      graphBuilder.FindFilterByName("Overlay Mixer2", out overlay);

      if (overlay != null)
      {
        IPin iPin;
        overlay.FindPin("Input0", out iPin);
        if (iPin != null)
        {
          IMixerPinConfig pMC = iPin as IMixerPinConfig;
          if (pMC != null)
          {
            AspectRatioMode mode;
            hr = pMC.SetAspectRatioMode(ARRatioMode);
            hr = pMC.GetAspectRatioMode(out mode);
            //ReleaseComObject(pMC);
          }
          ReleaseComObject(iPin);
        }
        ReleaseComObject(overlay);
      }


      IEnumFilters enumFilters;
      hr = graphBuilder.EnumFilters(out enumFilters);
      if (hr >= 0 && enumFilters != null)
      {
        int iFetched;
        enumFilters.Reset();
        IBaseFilter[] pBasefilter = new IBaseFilter[2];
        do
        {
          pBasefilter = null;
          hr = enumFilters.Next(1, pBasefilter, out iFetched);
          if (hr == 0 && iFetched == 1 && pBasefilter[0] != null)
          {
            IVMRAspectRatioControl pARC = pBasefilter[0] as IVMRAspectRatioControl;
            if (pARC != null)
            {
              pARC.SetAspectRatioMode(VMRAspectRatioMode.None);
            }
            IVMRAspectRatioControl9 pARC9 = pBasefilter[0] as IVMRAspectRatioControl9;
            if (pARC9 != null)
            {
              pARC9.SetAspectRatioMode(VMRAspectRatioMode.None);
            }

            IEnumPins pinEnum;
            hr = pBasefilter[0].EnumPins(out pinEnum);
            if ((hr == 0) && (pinEnum != null))
            {
              pinEnum.Reset();
              IPin[] pins = new IPin[1];
              int f;
              do
              {
                // Get the next pin
                hr = pinEnum.Next(1, pins, out f);
                if (f == 1 && hr == 0 && pins[0] != null)
                {
                  IMixerPinConfig pMC = pins[0] as IMixerPinConfig;
                  if (null != pMC)
                  {
                    pMC.SetAspectRatioMode(ARRatioMode);
                  }
                  ReleaseComObject(pins[0]);
                }
              } while (f == 1);
              ReleaseComObject(pinEnum);
            }
            ReleaseComObject(pBasefilter[0]);
          }
        } while (iFetched == 1 && pBasefilter[0] != null);
        ReleaseComObject(enumFilters);
      }
    }
Esempio n. 12
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        private void SetupSampleGrabber()
        {
            if (_graph == null)
            {
                return;
            }

            int hr;

            //Get directsound filter
            IBaseFilter directSoundFilter;

            hr = _graph.FindFilterByName(DEFAULT_AUDIO_RENDERER_NAME, out directSoundFilter);
            DsError.ThrowExceptionForHR(hr);

            IPin rendererPinIn = DsFindPin.ByConnectionStatus(directSoundFilter, PinConnectedStatus.Connected, 0);

            if (rendererPinIn != null)
            {
                IPin audioPinOut;
                hr = rendererPinIn.ConnectedTo(out audioPinOut);
                DsError.ThrowExceptionForHR(hr);

                if (audioPinOut != null)
                {
                    //Disconect audio decoder to directsound renderer
                    hr = audioPinOut.Disconnect();
                    DsError.ThrowExceptionForHR(hr);

                    hr = _graph.RemoveFilter(directSoundFilter);
                    DsError.ThrowExceptionForHR(hr);

                    //Add Sample Grabber
                    ISampleGrabber sampleGrabber = new SampleGrabber() as ISampleGrabber;
                    hr = sampleGrabber.SetCallback(this, 1);
                    DsError.ThrowExceptionForHR(hr);

                    AMMediaType media;
                    media            = new AMMediaType();
                    media.majorType  = MediaType.Audio;
                    media.subType    = MediaSubType.PCM;
                    media.formatType = FormatType.WaveEx;
                    hr = sampleGrabber.SetMediaType(media);
                    DsError.ThrowExceptionForHR(hr);

                    IPin sampleGrabberPinIn  = DsFindPin.ByDirection((IBaseFilter)sampleGrabber, PinDirection.Input, 0);
                    IPin sampleGrabberPinOut = DsFindPin.ByDirection((IBaseFilter)sampleGrabber, PinDirection.Output, 0);
                    hr = _graph.AddFilter((IBaseFilter)sampleGrabber, "SampleGrabber");
                    DsError.ThrowExceptionForHR(hr);

                    PinInfo pinInfo;
                    hr = audioPinOut.QueryPinInfo(out pinInfo);
                    DsError.ThrowExceptionForHR(hr);

                    FilterInfo filterInfo;
                    hr = pinInfo.filter.QueryFilterInfo(out filterInfo);
                    DsError.ThrowExceptionForHR(hr);

                    hr = _graph.Connect(audioPinOut, sampleGrabberPinIn);
                    DsError.ThrowExceptionForHR(hr);

                    //Add null renderer
                    NullRenderer nullRenderer = new NullRenderer();
                    hr = _graph.AddFilter((IBaseFilter)nullRenderer, "NullRenderer");
                    DsError.ThrowExceptionForHR(hr);

                    IPin nullRendererPinIn = DsFindPin.ByDirection((IBaseFilter)nullRenderer, PinDirection.Input, 0);
                    hr = _graph.Connect(sampleGrabberPinOut, nullRendererPinIn);
                    DsError.ThrowExceptionForHR(hr);

                    _audioEngine.Setup(this.GetSampleGrabberFormat(sampleGrabber));
                }
            }
        }
Esempio n. 13
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        private void PlayMovieInWindow(string filename)
        {
            fps = 0;
            int hr = 0;
            this.graphBuilder = (IGraphBuilder)new FilterGraph();

            //Добавляем в граф нужный рендерер (Auto - graphBuilder сам выберет рендерер)
            Settings.VRenderers renderer = Settings.VideoRenderer;
            if (renderer == Settings.VRenderers.Overlay)
            {
                IBaseFilter add_vr = (IBaseFilter)new VideoRenderer();
                hr = graphBuilder.AddFilter(add_vr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR7)
            {
                IBaseFilter add_vmr = (IBaseFilter)new VideoMixingRenderer();
                hr = graphBuilder.AddFilter(add_vmr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR9)
            {
                IBaseFilter add_vmr9 = (IBaseFilter)new VideoMixingRenderer9();
                hr = graphBuilder.AddFilter(add_vmr9, "Video Mixing Renderer 9");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.EVR)
            {
                //Создаём Win32-окно, т.к. использовать WPF-поверхность не получится
                VHost = new VideoHwndHost();
                VHost.RepaintRequired += new EventHandler(VHost_RepaintRequired);
                VHostElement.Visibility = Visibility.Visible;
                VHostElement.Child = VHost;
                VHandle = VHost.Handle;

                //Добавляем и настраиваем EVR
                IBaseFilter add_evr = (IBaseFilter)new EnhancedVideoRenderer();
                hr = graphBuilder.AddFilter(add_evr, "Enhanced Video Renderer");
                DsError.ThrowExceptionForHR(hr);

                object obj;
                IMFGetService pGetService = null;
                pGetService = (IMFGetService)add_evr;
                hr = pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out obj);
                MFError.ThrowExceptionForHR(hr);

                try
                {
                    EVRControl = (IMFVideoDisplayControl)obj;
                }
                catch
                {
                    Marshal.ReleaseComObject(obj);
                    throw;
                }

                //Указываем поверхность
                hr = EVRControl.SetVideoWindow(VHandle);
                MFError.ThrowExceptionForHR(hr);

                //Отключаем сохранение аспекта
                hr = EVRControl.SetAspectRatioMode(MFVideoAspectRatioMode.None);
                MFError.ThrowExceptionForHR(hr);
            }

            // Have the graph builder construct its the appropriate graph automatically
            hr = this.graphBuilder.RenderFile(filename, null);
            DsError.ThrowExceptionForHR(hr);

            if (EVRControl == null)
            {
                //Ищем рендерер и отключаем соблюдение аспекта (аспект будет определяться размерами видео-окна)
                IBaseFilter filter = null;
                graphBuilder.FindFilterByName("Video Renderer", out filter);
                if (filter != null)
                {
                    IVMRAspectRatioControl vmr = filter as IVMRAspectRatioControl;
                    if (vmr != null) DsError.ThrowExceptionForHR(vmr.SetAspectRatioMode(VMRAspectRatioMode.None));
                }
                else
                {
                    graphBuilder.FindFilterByName("Video Mixing Renderer 9", out filter);
                    if (filter != null)
                    {
                        IVMRAspectRatioControl9 vmr9 = filter as IVMRAspectRatioControl9;
                        if (vmr9 != null) DsError.ThrowExceptionForHR(vmr9.SetAspectRatioMode(VMRAspectRatioMode.None));
                    }
                }
            }

            // QueryInterface for DirectShow interfaces
            this.mediaControl = (IMediaControl)this.graphBuilder;
            this.mediaEventEx = (IMediaEventEx)this.graphBuilder;
            this.mediaSeeking = (IMediaSeeking)this.graphBuilder;
            this.mediaPosition = (IMediaPosition)this.graphBuilder;

            // Query for video interfaces, which may not be relevant for audio files
            this.videoWindow = (EVRControl == null) ? this.graphBuilder as IVideoWindow : null;
            this.basicVideo = (EVRControl == null) ? this.graphBuilder as IBasicVideo : null;

            // Query for audio interfaces, which may not be relevant for video-only files
            this.basicAudio = this.graphBuilder as IBasicAudio;
            basicAudio.put_Volume(VolumeSet); //Ввод в ДиректШоу значения VolumeSet для установки громкости

            // Is this an audio-only file (no video component)?
            CheckIsAudioOnly();
            if (!this.IsAudioOnly)
            {
                if (videoWindow != null)
                {
                    // Setup the video window
                    hr = this.videoWindow.put_Owner(this.source.Handle);
                    DsError.ThrowExceptionForHR(hr);

                    hr = this.videoWindow.put_MessageDrain(this.source.Handle);
                    DsError.ThrowExceptionForHR(hr);

                    hr = this.videoWindow.put_WindowStyle(DirectShowLib.WindowStyle.Child | DirectShowLib.WindowStyle.ClipSiblings
                        | DirectShowLib.WindowStyle.ClipChildren);
                    DsError.ThrowExceptionForHR(hr);

                    //Определяем fps
                    double AvgTimePerFrame;
                    hr = basicVideo.get_AvgTimePerFrame(out AvgTimePerFrame);
                    DsError.ThrowExceptionForHR(hr);
                    fps = (1.0 / AvgTimePerFrame);
                }
                else if (EVRControl != null)
                {
                    //Определяем fps
                    DetermineEVRFPS();
                }

                //Ловим ошибку Ависинта
                IsAviSynthError = false;
                if (NaturalDuration.TotalMilliseconds == 10000.0)
                {
                    //Признаки ошибки: duration=10000.0 и fps=24 (округлённо)
                    if ((int)fps == 24 || fps == 0) IsAviSynthError = true;
                }

                MoveVideoWindow();
            }
            else
            {
                if (VHost != null)
                {
                    VHost.Dispose();
                    VHost = null;
                    VHandle = IntPtr.Zero;
                    VHostElement.Child = null;
                    VHostElement.Visibility = Visibility.Collapsed;
                    VHostElement.Width = VHostElement.Height = 0;
                    VHostElement.Margin = new Thickness(0);
                }

                //Ловим ошибку Ависинта 2 (когда нет видео окна)
                IsAviSynthError = (NaturalDuration.TotalMilliseconds == 10000.0);

                if (m.isvideo)
                {
                    //Видео должно было быть..
                    PreviewError("NO VIDEO", Brushes.Gainsboro);
                }
            }

            //Если выше не удалось определить fps - берём значение из массива
            if (fps == 0) fps = Calculate.ConvertStringToDouble(m.outframerate);

            // Have the graph signal event via window callbacks for performance
            hr = this.mediaEventEx.SetNotifyWindow(this.source.Handle, WMGraphNotify, IntPtr.Zero);
            DsError.ThrowExceptionForHR(hr);

            if (mediaload == MediaLoad.update) //Перенесено из HandleGraphEvent, теперь позиция устанавливается до начала воспроизведения, т.е. за один заход, а не за два
            {
                if (NaturalDuration >= oldpos) //Позиционируем только если нужная позиция укладывается в допустимый диапазон
                    mediaPosition.put_CurrentPosition(oldpos.TotalSeconds);
                //else
                //    mediaPosition.put_CurrentPosition(NaturalDuration.TotalSeconds); //Ограничиваем позицию длиной клипа
            }

            // Run the graph to play the media file
            if (currentState == PlayState.Running)
            {
                //Продолжение воспроизведения, если статус до обновления был Running
                DsError.ThrowExceptionForHR(this.mediaControl.Run());
                SetPauseIcon();
            }
            else
            {
                //Запуск с паузы, если была пауза или это новое открытие файла
                DsError.ThrowExceptionForHR(this.mediaControl.Pause());
                this.currentState = PlayState.Paused;
                SetPlayIcon();
            }
        }
Esempio n. 14
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        private void PlayMovieInWindow(string filename)
        {
            if (filename == string.Empty) return;

            int hr = 0;
            this.graphBuilder = (IGraphBuilder)new FilterGraph();

            //Добавляем в граф нужный рендерер (Auto - graphBuilder сам выберет рендерер)
            Settings.VRenderers renderer = Settings.VideoRenderer;
            if (renderer == Settings.VRenderers.Overlay)
            {
                IBaseFilter add_vr = (IBaseFilter)new VideoRenderer();
                hr = graphBuilder.AddFilter(add_vr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR7)
            {
                IBaseFilter add_vmr = (IBaseFilter)new VideoMixingRenderer();
                hr = graphBuilder.AddFilter(add_vmr, "Video Renderer");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.VMR9)
            {
                IBaseFilter add_vmr9 = (IBaseFilter)new VideoMixingRenderer9();
                hr = graphBuilder.AddFilter(add_vmr9, "Video Mixing Renderer 9");
                DsError.ThrowExceptionForHR(hr);
            }
            else if (renderer == Settings.VRenderers.EVR)
            {
                //Создаём Win32-окно, т.к. использовать WPF-поверхность не получится
                VHost = new VideoHwndHost();
                VHost.RepaintRequired += new EventHandler(VHost_RepaintRequired);
                VHostElement.Child = VHost;
                VHandle = VHost.Handle;

                //Добавляем и настраиваем EVR
                IBaseFilter add_evr = (IBaseFilter)new EnhancedVideoRenderer();
                hr = graphBuilder.AddFilter(add_evr, "Enhanced Video Renderer");
                DsError.ThrowExceptionForHR(hr);

                object obj;
                IMFGetService pGetService = null;
                pGetService = (IMFGetService)add_evr;
                hr = pGetService.GetService(MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out obj);
                MFError.ThrowExceptionForHR(hr);

                try
                {
                    EVRControl = (IMFVideoDisplayControl)obj;
                }
                catch
                {
                    Marshal.ReleaseComObject(obj);
                    throw;
                }

                //Указываем поверхность
                hr = EVRControl.SetVideoWindow(VHandle);
                MFError.ThrowExceptionForHR(hr);

                //Отключаем сохранение аспекта
                hr = EVRControl.SetAspectRatioMode(MFVideoAspectRatioMode.None);
                MFError.ThrowExceptionForHR(hr);
            }

            // Have the graph builder construct its the appropriate graph automatically
            hr = this.graphBuilder.RenderFile(filename, null);
            DsError.ThrowExceptionForHR(hr);

            if (EVRControl == null)
            {
                //Ищем рендерер и отключаем соблюдение аспекта (аспект будет определяться размерами видео-окна)
                IBaseFilter filter = null;
                graphBuilder.FindFilterByName("Video Renderer", out filter);
                if (filter != null)
                {
                    IVMRAspectRatioControl vmr = filter as IVMRAspectRatioControl;
                    if (vmr != null) DsError.ThrowExceptionForHR(vmr.SetAspectRatioMode(VMRAspectRatioMode.None));
                }
                else
                {
                    graphBuilder.FindFilterByName("Video Mixing Renderer 9", out filter);
                    if (filter != null)
                    {
                        IVMRAspectRatioControl9 vmr9 = filter as IVMRAspectRatioControl9;
                        if (vmr9 != null) DsError.ThrowExceptionForHR(vmr9.SetAspectRatioMode(VMRAspectRatioMode.None));
                    }
                }
            }

            // QueryInterface for DirectShow interfaces
            this.mediaControl = (IMediaControl)this.graphBuilder;
            this.mediaEventEx = (IMediaEventEx)this.graphBuilder;
            this.mediaSeeking = (IMediaSeeking)this.graphBuilder;
            this.mediaPosition = (IMediaPosition)this.graphBuilder;

            // Query for video interfaces, which may not be relevant for audio files
            this.videoWindow = (EVRControl == null) ? this.graphBuilder as IVideoWindow : null;
            this.basicVideo = (EVRControl == null) ? this.graphBuilder as IBasicVideo : null;

            // Query for audio interfaces, which may not be relevant for video-only files
            this.basicAudio = this.graphBuilder as IBasicAudio;
            basicAudio.put_Volume(-(int)(10000 - Math.Pow(Settings.VolumeLevel, 1.0 / 5) * 10000)); //Громкость для ДиректШоу

            // Is this an audio-only file (no video component)?
            CheckIsAudioOnly();
            if (!this.isAudioOnly)
            {
                //Определяем аспект, если он нам не известен
                if (in_ar == 0)
                {
                    MediaInfoWrapper media = new MediaInfoWrapper();
                    media.Open(filepath);
                    in_ar = media.Aspect;
                    media.Close();
                }

                if (videoWindow != null)
                {
                    // Setup the video window
                    hr = this.videoWindow.put_Owner(this.source.Handle);
                    DsError.ThrowExceptionForHR(hr);

                    hr = this.videoWindow.put_WindowStyle(DirectShowLib.WindowStyle.Child | DirectShowLib.WindowStyle.ClipSiblings |
                        DirectShowLib.WindowStyle.ClipChildren);
                    DsError.ThrowExceptionForHR(hr);
                }

                MoveVideoWindow();
            }
            else
            {
                if (VHost != null)
                {
                    VHost.Dispose();
                    VHost = null;
                    VHandle = IntPtr.Zero;
                    VHostElement.Child = null;
                }
            }

            // Have the graph signal event via window callbacks for performance
            hr = this.mediaEventEx.SetNotifyWindow(this.source.Handle, WMGraphNotify, IntPtr.Zero);
            DsError.ThrowExceptionForHR(hr);

            this.Focus();

            // Run the graph to play the media file
            hr = this.mediaControl.Run();
            DsError.ThrowExceptionForHR(hr);

            this.currentState = PlayState.Running;
            SetPauseIcon();

            double duration = 0.0;
            hr = mediaPosition.get_Duration(out duration);
            DsError.ThrowExceptionForHR(hr);
            slider_pos.Maximum = duration;

            //Запускаем таймер обновления позиции
            if (timer != null) timer.Start();
        }
        /*
         * protected void InitAudioSampleGrabber()
         * {
         *  // Get the graph builder
         *  IGraphBuilder graphBuilder = (mediaControl as IGraphBuilder);
         *  if (graphBuilder == null)
         *      return;
         *
         *  try
         *  {
         *      // Build the sample grabber
         *      sampleGrabber = Activator.CreateInstance(Type.GetTypeFromCLSID(Filters.SampleGrabber, true))
         *          as ISampleGrabber;
         *
         *      if (sampleGrabber == null)
         *          return;
         *
         *      // Add it to the filter graph
         *      int hr = graphBuilder.AddFilter(sampleGrabber as IBaseFilter, "ProTONE_SampleGrabber");
         *      DsError.ThrowExceptionForHR(hr);
         *
         *      AMMediaType mtAudio = new AMMediaType();
         *      mtAudio.majorType = MediaType.Audio;
         *      mtAudio.subType = MediaSubType.PCM;
         *      mtAudio.formatPtr = IntPtr.Zero;
         *
         *      _actualAudioFormat = null;
         *
         *      hr = sampleGrabber.SetMediaType(mtAudio);
         *      DsError.ThrowExceptionForHR(hr);
         *
         *      hr = sampleGrabber.SetBufferSamples(true);
         *      DsError.ThrowExceptionForHR(hr);
         *
         *      hr = sampleGrabber.SetOneShot(false);
         *      DsError.ThrowExceptionForHR(hr);
         *
         *      hr = sampleGrabber.SetCallback(this, 1);
         *      DsError.ThrowExceptionForHR(hr);
         *
         *      sampleAnalyzerMustStop.Reset();
         *      sampleAnalyzerThread = new Thread(new ThreadStart(SampleAnalyzerLoop));
         *      sampleAnalyzerThread.Priority = ThreadPriority.Highest;
         *      sampleAnalyzerThread.Start();
         *  }
         *  catch(Exception ex)
         *  {
         *      Logger.LogException(ex);
         *  }
         *
         *  rotEntry = new DsROTEntry(graphBuilder as IFilterGraph);
         * }*/

        protected void InitAudioSampleGrabber_v2()
        {
            // Get the graph builder
            IGraphBuilder graphBuilder = (mediaControl as IGraphBuilder);

            if (graphBuilder == null)
            {
                return;
            }

            try
            {
                // Build the sample grabber
                sampleGrabber = Activator.CreateInstance(Type.GetTypeFromCLSID(Filters.SampleGrabber, true))
                                as ISampleGrabber;

                if (sampleGrabber == null)
                {
                    return;
                }

                // Add it to the filter graph
                int hr = graphBuilder.AddFilter(sampleGrabber as IBaseFilter, "ProTONE_SampleGrabber_v2");
                DsError.ThrowExceptionForHR(hr);

                IBaseFilter ffdAudioDecoder = null;

                IPin   ffdAudioDecoderOutput = null;
                IPin   soundDeviceInput      = null;
                IPin   sampleGrabberInput    = null;
                IPin   sampleGrabberOutput   = null;
                IntPtr pSoundDeviceInput     = IntPtr.Zero;

                // When using FFDShow, typically we'll find
                // a ffdshow Audio Decoder connected to the sound device filter
                //
                // i.e. [ffdshow Audio Decoder] --> [DirectSound Device]
                //
                // Our audio sample grabber supports only PCM sample input and output.
                // Its entire processing is based on this assumption.
                //
                // Thus need to insert the audio sample grabber between the ffdshow Audio Decoder and the sound device
                // because this is the only place where we can find PCM samples. The sound device only accepts PCM.
                //
                // So we need to turn this graph:
                //
                // .. -->[ffdshow Audio Decoder]-->[DirectSound Device]
                //
                // into this:
                //
                // .. -->[ffdshow Audio Decoder]-->[Sample grabber]-->[DirectSound Device]
                //
                // Actions to do to achieve the graph change:
                //
                // 1. Locate the ffdshow Audio Decoder in the graph
                // 2. Find its output pin and the pin that it's connected to
                // 3. Locate the input and output pins of sample grabber
                // 4. Disconnect the ffdshow Audio Decoder and its correspondent (sound device input pin)
                // 5. Connect the ffdshow Audio Decoder to sample grabber input
                // 6. Connect the sample grabber output to sound device input
                // that's all.

                // --------------
                // 1. Locate the ffdshow Audio Decoder in the graph
                hr = graphBuilder.FindFilterByName("ffdshow Audio Decoder", out ffdAudioDecoder);
                DsError.ThrowExceptionForHR(hr);

                // 2. Find its output pin and the pin that it's connected to
                hr = ffdAudioDecoder.FindPin("Out", out ffdAudioDecoderOutput);
                DsError.ThrowExceptionForHR(hr);

                hr = ffdAudioDecoderOutput.ConnectedTo(out pSoundDeviceInput);
                DsError.ThrowExceptionForHR(hr);

                soundDeviceInput = new DSPin(pSoundDeviceInput).Value;

                // 3. Locate the input and output pins of sample grabber
                hr = (sampleGrabber as IBaseFilter).FindPin("In", out sampleGrabberInput);
                DsError.ThrowExceptionForHR(hr);

                hr = (sampleGrabber as IBaseFilter).FindPin("Out", out sampleGrabberOutput);
                DsError.ThrowExceptionForHR(hr);

                // 4. Disconnect the ffdshow Audio Decoder and its correspondent (sound device input pin)
                hr = ffdAudioDecoderOutput.Disconnect();
                DsError.ThrowExceptionForHR(hr);

                hr = soundDeviceInput.Disconnect();
                DsError.ThrowExceptionForHR(hr);

                // 5. Connect the ffdshow Audio Decoder to sample grabber input
                hr = graphBuilder.Connect(ffdAudioDecoderOutput, sampleGrabberInput);
                DsError.ThrowExceptionForHR(hr);

                // 6. Connect the sample grabber output to sound device input
                hr = graphBuilder.Connect(sampleGrabberOutput, soundDeviceInput);
                DsError.ThrowExceptionForHR(hr);


                AMMediaType mtAudio = new AMMediaType();
                mtAudio.majorType = MediaType.Audio;
                mtAudio.subType   = MediaSubType.PCM;
                mtAudio.formatPtr = IntPtr.Zero;

                _actualAudioFormat = null;

                sampleGrabber.SetMediaType(mtAudio);
                sampleGrabber.SetBufferSamples(true);
                sampleGrabber.SetOneShot(false);
                sampleGrabber.SetCallback(this, 1);

                sampleAnalyzerMustStop.Reset();
                sampleAnalyzerThread          = new Thread(new ThreadStart(SampleAnalyzerLoop));
                sampleAnalyzerThread.Priority = ThreadPriority.Highest;
                sampleAnalyzerThread.Start();
            }
            catch (Exception ex)
            {
                Logger.LogException(ex);
            }

            rotEntry = new DsROTEntry(graphBuilder as IFilterGraph);
        }
Esempio n. 16
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        /// <summary> build the capture graph for grabber. </summary>
        private void SetupGraph(string FileName)
        {
            int hr;

            // Get the graphbuilder object
            this.graphBuilder = new FilterGraph() as IGraphBuilder;
            this.mediaControl = this.graphBuilder as IMediaControl;
            this.mediaSeeking = this.graphBuilder as IMediaSeeking;
            this.mediaEvent   = this.graphBuilder as IMediaEvent;

            try
            {
                // Get the SampleGrabber interface
                this.sampleGrabber       = new SampleGrabber() as ISampleGrabber;
                this.sampleGrabberFilter = sampleGrabber as IBaseFilter;

                ConfigureSampleGrabber(sampleGrabber);

                // Add the frame grabber to the graph
                hr = graphBuilder.AddFilter(sampleGrabberFilter, "Ds.NET Sample Grabber");
                DsError.ThrowExceptionForHR(hr);

                IBaseFilter aviSplitter = new AviSplitter() as IBaseFilter;

                // Add the aviSplitter to the graph
                hr = graphBuilder.AddFilter(aviSplitter, "Splitter");
                DsError.ThrowExceptionForHR(hr);

                // Have the graph builder construct its appropriate graph automatically
                hr = this.graphBuilder.RenderFile(FileName, null);
                DsError.ThrowExceptionForHR(hr);

#if DEBUG
                m_rot = new DsROTEntry(graphBuilder);
#endif

                // Remove the video renderer filter
                IBaseFilter defaultVideoRenderer = null;
                graphBuilder.FindFilterByName("Video Renderer", out defaultVideoRenderer);
                graphBuilder.RemoveFilter(defaultVideoRenderer);

                // Disconnect anything that is connected
                // to the output of the sample grabber
                IPin iPinSampleGrabberOut = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Output, 0);
                IPin iPinVideoIn;
                hr = iPinSampleGrabberOut.ConnectedTo(out iPinVideoIn);

                if (hr == 0)
                {
                    // Disconnect the sample grabber output from the attached filters
                    hr = iPinVideoIn.Disconnect();
                    DsError.ThrowExceptionForHR(hr);

                    hr = iPinSampleGrabberOut.Disconnect();
                    DsError.ThrowExceptionForHR(hr);
                }
                else
                {
                    // Try other way round because automatic renderer could not build
                    // graph including the sample grabber
                    IPin iPinAVISplitterOut = DsFindPin.ByDirection(aviSplitter, PinDirection.Output, 0);
                    IPin iPinAVISplitterIn;
                    hr = iPinAVISplitterOut.ConnectedTo(out iPinAVISplitterIn);
                    DsError.ThrowExceptionForHR(hr);

                    hr = iPinAVISplitterOut.Disconnect();
                    DsError.ThrowExceptionForHR(hr);

                    hr = iPinAVISplitterIn.Disconnect();
                    DsError.ThrowExceptionForHR(hr);

                    // Connect the avi splitter output to sample grabber
                    IPin iPinSampleGrabberIn = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Input, 0);
                    hr = graphBuilder.Connect(iPinAVISplitterOut, iPinSampleGrabberIn);
                    DsError.ThrowExceptionForHR(hr);
                }

                // Add the null renderer to the graph
                nullrenderer = new NullRenderer() as IBaseFilter;
                hr           = graphBuilder.AddFilter(nullrenderer, "Null renderer");
                DsError.ThrowExceptionForHR(hr);

                // Get the input pin of the null renderer
                IPin iPinNullRendererIn = DsFindPin.ByDirection(nullrenderer, PinDirection.Input, 0);

                // Connect the sample grabber to the null renderer
                hr = graphBuilder.Connect(iPinSampleGrabberOut, iPinNullRendererIn);
                DsError.ThrowExceptionForHR(hr);

                // Read and cache the image sizes
                SaveSizeInfo(sampleGrabber);

                this.GetFrameStepInterface();
            }
            finally
            {
            }
        }