public void AddTeletextSubtitleDecoder(ITeletextSource teletextSource)
        {
            TeletextSubtitleDecoder ttxtDecoder = new TeletextSubtitleDecoder(this);

            _ttxtReceiver = new TeletextReceiver(teletextSource, ttxtDecoder);
        }
        /// <summary> create the used COM components and get the interfaces. </summary>
        protected override bool GetInterfaces(string filename)
        {
            Log.Info("TSReaderPlayer: GetInterfaces()");
            try
            {
                string strAudioRenderer = "";
                int    intFilters       = 0;  // FlipGer: count custom filters
                string strFilters       = ""; // FlipGer: collect custom filters

                LoadMyTvFilterSettings(ref intFilters, ref strFilters, ref strVideoCodec, ref strAudioCodec,
                                       ref strAACAudioCodec, ref strDDPLUSAudioCodec, ref strH264VideoCodec,
                                       ref strAudioRenderer,
                                       ref enableDVBBitmapSubtitles, ref enableDVBTtxtSubtitles, ref relaxTsReader);

                _graphBuilder = (IGraphBuilder) new FilterGraph();
                _rotEntry     = new DsROTEntry((IFilterGraph)_graphBuilder);

                if (strAudioRenderer.Length > 0) //audio renderer must be in graph before audio switcher
                {
                    _audioRendererFilter = DirectShowUtil.AddAudioRendererToGraph(_graphBuilder, strAudioRenderer, true);
                }

                #region add AudioSwitcher

                if (enableMPAudioSwitcher) //audio switcher must be in graph before tsreader audiochangecallback
                {
                    _audioSwitcherFilter = DirectShowUtil.AddFilterToGraph(_graphBuilder, "MediaPortal AudioSwitcher");
                    if (_audioSwitcherFilter == null)
                    {
                        Log.Error("TSReaderPlayer: Failed to add AudioSwitcher to graph");
                    }
                }

                #endregion

                #region add TsReader

                TsReader reader = new TsReader();
                _fileSource        = (IBaseFilter)reader;
                _ireader           = (ITSReader)reader;
                _interfaceTSReader = _fileSource;
                _ireader.SetRelaxedMode(relaxTsReader); // enable/disable continousity filtering
                _ireader.SetTsReaderCallback(this);
                _ireader.SetRequestAudioChangeCallback(this);
                Log.Info("TSReaderPlayer: Add TsReader to graph");
                int hr = _graphBuilder.AddFilter((IBaseFilter)_fileSource, "TsReader");
                DsError.ThrowExceptionForHR(hr);

                #endregion

                #region load file in TsReader

                IFileSourceFilter interfaceFile = (IFileSourceFilter)_fileSource;
                if (interfaceFile == null)
                {
                    Log.Error("TSReaderPlayer: Failed to get IFileSourceFilter");
                    Cleanup();
                    return(false);
                }
                Log.Info("TSReaderPlayer: Open file: {0}", filename);
                hr = interfaceFile.Load(filename, null);
                if (hr != 0)
                {
                    Log.Error("TSReaderPlayer: Failed to open file:{0} :0x{1:x}", filename, hr);
                    Cleanup();
                    return(false);
                }

                #endregion

                #region add codecs

                Log.Info("TSReaderPlayer: Add codecs");
                // add preferred video & audio codecs
                MatchFilters("Video");
                MatchFilters("Audio");

                // does .ts file contain video?
                // default is _isRadio=false which prevents recorded radio file playing
                if (!_videoFormat.IsValid)
                {
                    _isRadio = true;
                }

                if (!_isRadio)
                {
                    _vmr9 = new VMR9Util();
                    _vmr9.AddVMR9(_graphBuilder);
                    _vmr9.Enable(false);

                    DirectShowUtil.AddFilterToGraph(_graphBuilder, videoFilter);
                    if (enableDVBBitmapSubtitles)
                    {
                        try
                        {
                            SubtitleRenderer.GetInstance().AddSubtitleFilter(_graphBuilder);
                        }
                        catch (Exception e)
                        {
                            Log.Error(e);
                        }
                    }
                }

                DirectShowUtil.AddFilterToGraph(_graphBuilder, audioFilter);

                // FlipGer: add custom filters to graph
                string[] arrFilters = strFilters.Split(';');
                for (int i = 0; i < intFilters; i++)
                {
                    DirectShowUtil.AddFilterToGraph(_graphBuilder, arrFilters[i]);
                }

                #endregion

                #region PostProcessingEngine Detection

                IPostProcessingEngine postengine = PostProcessingEngine.GetInstance(true);
                if (!postengine.LoadPostProcessing(_graphBuilder))
                {
                    PostProcessingEngine.engine = new PostProcessingEngine.DummyEngine();
                }

                #endregion

                #region render TsReader output pins

                Log.Info("TSReaderPlayer: Render TsReader outputs");
                if (_isRadio)
                {
                    IEnumPins enumPins;
                    hr = _fileSource.EnumPins(out enumPins);
                    DsError.ThrowExceptionForHR(hr);
                    IPin[] pins    = new IPin[1];
                    int    fetched = 0;
                    while (enumPins.Next(1, pins, out fetched) == 0)
                    {
                        if (fetched != 1)
                        {
                            break;
                        }
                        PinDirection direction;
                        pins[0].QueryDirection(out direction);
                        if (direction == PinDirection.Output)
                        {
                            IEnumMediaTypes enumMediaTypes;
                            pins[0].EnumMediaTypes(out enumMediaTypes);
                            AMMediaType[] mediaTypes = new AMMediaType[20];
                            int           fetchedTypes;
                            enumMediaTypes.Next(20, mediaTypes, out fetchedTypes);
                            for (int i = 0; i < fetchedTypes; ++i)
                            {
                                if (mediaTypes[i].majorType == MediaType.Audio)
                                {
                                    hr = _graphBuilder.Render(pins[0]);
                                    DsError.ThrowExceptionForHR(hr);
                                    break;
                                }
                            }
                        }
                        DirectShowUtil.ReleaseComObject(pins[0]);
                    }
                    DirectShowUtil.ReleaseComObject(enumPins);
                }
                else
                {
                    DirectShowUtil.RenderGraphBuilderOutputPins(_graphBuilder, _fileSource);
                }
                DirectShowUtil.RemoveUnusedFiltersFromGraph(_graphBuilder);

                #endregion

                _mediaCtrl    = (IMediaControl)_graphBuilder;
                _mediaEvt     = (IMediaEventEx)_graphBuilder;
                _mediaSeeking = (IMediaSeeking)_graphBuilder;
                if (_mediaSeeking == null)
                {
                    Log.Error("TSReaderPlayer: Unable to get IMediaSeeking interface");
                }
                _audioStream = (IAudioStream)_fileSource;
                if (_audioStream == null)
                {
                    Log.Error("TSReaderPlayer: Unable to get IAudioStream interface");
                }
                _audioSelector = new AudioSelector(_audioStream);

                if (!_isRadio)
                {
                    if (enableDVBTtxtSubtitles || enableDVBBitmapSubtitles)
                    {
                        try
                        {
                            SubtitleRenderer.GetInstance().SetPlayer(this);
                            _dvbSubRenderer = SubtitleRenderer.GetInstance();
                        }
                        catch (Exception e)
                        {
                            Log.Error(e);
                        }
                    }
                    if (enableDVBBitmapSubtitles)
                    {
                        _subtitleStream = (ISubtitleStream)_fileSource;
                        if (_subtitleStream == null)
                        {
                            Log.Error("TSReaderPlayer: Unable to get ISubtitleStream interface");
                        }
                    }
                    if (enableDVBTtxtSubtitles)
                    {
                        //Log.Debug("TSReaderPlayer: Obtaining TeletextSource");
                        _teletextSource = (ITeletextSource)_fileSource;
                        if (_teletextSource == null)
                        {
                            Log.Error("TSReaderPlayer: Unable to get ITeletextSource interface");
                        }
                        Log.Debug("TSReaderPlayer: Creating Teletext Receiver");
                        TeletextSubtitleDecoder ttxtDecoder = new TeletextSubtitleDecoder(_dvbSubRenderer);
                        _ttxtReceiver = new TeletextReceiver(_teletextSource, ttxtDecoder);
                        // regardless of whether dvb subs are enabled, the following call is okay
                        // if _subtitleStream is null the subtitle will just not setup for bitmap subs
                        _subSelector = new SubtitleSelector(_subtitleStream, _dvbSubRenderer, ttxtDecoder);
                    }
                    else if (enableDVBBitmapSubtitles)
                    {
                        // if only dvb subs are enabled, pass null for ttxtDecoder
                        _subSelector = new SubtitleSelector(_subtitleStream, _dvbSubRenderer, null);
                    }
                }
                if (_audioRendererFilter != null)
                {
                    //Log.Info("TSReaderPlayer:set reference clock");
                    IMediaFilter    mp    = (IMediaFilter)_graphBuilder;
                    IReferenceClock clock = (IReferenceClock)_audioRendererFilter;
                    hr = mp.SetSyncSource(null);
                    hr = mp.SetSyncSource(clock);
                    //Log.Info("TSReaderPlayer:set reference clock:{0:X}", hr);
                    _basicAudio = (IBasicAudio)_graphBuilder;
                }
                if (!_isRadio)
                {
                    IBaseFilter basefilter;
                    _graphBuilder.FindFilterByName("Line 21 Decoder", out basefilter);
                    if (basefilter == null)
                    {
                        _graphBuilder.FindFilterByName("Line21 Decoder", out basefilter);
                    }
                    if (basefilter == null)
                    {
                        _graphBuilder.FindFilterByName("Line 21 Decoder 2", out basefilter);
                    }
                    if (basefilter != null)
                    {
                        Log.Info("TSreaderPlayer: Line21 Decoder (Closed Captions), in use"); //: {0}", showClosedCaptions);
                        _line21Decoder = (IAMLine21Decoder)basefilter;
                        if (_line21Decoder != null)
                        {
                            AMLine21CCState state = AMLine21CCState.Off;
                            hr = _line21Decoder.SetServiceState(state);
                            if (hr == 0)
                            {
                                Log.Info("TSReaderPlayer: Closed Captions state change successful");
                            }
                            else
                            {
                                Log.Info("TSReaderPlayer: Failed to change Closed Captions state");
                            }
                        }
                    }
                    if (!_vmr9.IsVMR9Connected)
                    {
                        Log.Error("TSReaderPlayer: Failed vmr9 not connected");
                        Cleanup();
                        return(false);
                    }
                    DirectShowUtil.EnableDeInterlace(_graphBuilder);
                    _vmr9.SetDeinterlaceMode();
                }

                using (MPSettings xmlreader = new MPSettings())
                {
                    int lastSubIndex = xmlreader.GetValueAsInt("tvservice", "lastsubtitleindex", 0);
                    Log.Debug("TSReaderPlayer: Last subtitle index: {0}", lastSubIndex);
                    CurrentSubtitleStream = lastSubIndex;
                }
                return(true);
            }
            catch (Exception ex)
            {
                Log.Error("TSReaderPlayer: Exception while creating DShow graph {0}", ex.Message);
                Cleanup();
                return(false);
            }
        }