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();
}
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);
}
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);
}
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;
}
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();
}
/// <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);
}
}
/// <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);
}
}
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));
}
}
}
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();
}
}
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);
}
/// <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
{
}
}
