public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
DsUtils.FreePinInfo(info);
Marshal.ReleaseComObject(other);
}
else
{
}
return(allDisconnected);
}
public int Disconnect()
{
try
{
OnDisconnect();
if (_ConnectedPin != null)
{
_ConnectedPin.BeginFlush();
//_ConnectedPin.EndOfStream(); // deadlock - dont do this.
_ConnectedPin.Disconnect();
_ConnectedPin.EndFlush();
}
if (_ConnectedPin != null &&
Marshal.IsComObject(_ConnectedPin))
{
GC.ReRegisterForFinalize(_ConnectedPin);
Marshal.FinalReleaseComObject(_ConnectedPin);
}
_ConnectedPin = null;
}
catch (Exception x)
{
Debug.WriteLine("Failed to disconnect pin " + x);
}
return((int)HRESULT.S_OK); // Disconnect must not fail
}
public static void DisconnectAll(this IPin pin)
{
foreach (var c in pin.Connections)
{
pin.Disconnect(c);
}
}
public static void tビデオレンダラをグラフから除去する(IGraphBuilder graphBuilder)
{
int hr = 0;
IBaseFilter videoRenderer = null;
IPin renderInputPin = null;
IPin connectedOutputPin = null;
try
{
// videoRenderer を探す。
CDirectShow.tビデオレンダラとその入力ピンを探して返す(graphBuilder, out videoRenderer, out renderInputPin);
if (videoRenderer == null || renderInputPin == null)
{
return; // なかった
}
#region [ renderInputPin へ接続している前段の出力ピン connectedOutputPin を探す。 ]
//-----------------
renderInputPin.ConnectedTo(out connectedOutputPin);
//-----------------
#endregion
if (connectedOutputPin == null)
{
return; // なかった
}
// 前段の出力ピンとビデオレンダラの入力ピンを切断する。双方向から切断しないとグラフから切り離されないので注意。
renderInputPin.Disconnect();
connectedOutputPin.Disconnect();
// ビデオレンダラをグラフから除去。
graphBuilder.RemoveFilter(videoRenderer);
}
finally
{
CCommon.tReleaseComObject(ref connectedOutputPin);
CCommon.tReleaseComObject(ref renderInputPin);
CCommon.tReleaseComObject(ref videoRenderer);
}
}
/// <summary>
/// Disconnects a single Pin.
/// </summary>
/// <param name="graphBuilder">IGraphBuilder</param>
/// <param name="pin">Pin to disconnect</param>
/// <returns>True if successful</returns>
bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IntPtr other_ptr;
int hr = pin.ConnectedTo(out other_ptr);
bool allDisconnected = true;
if (hr == 0 && other_ptr != IntPtr.Zero)
{
IPin other = Marshal.GetObjectForIUnknown(other_ptr) as IPin;
PinInfo info;
pin.QueryPinInfo(out info);
ServiceRegistration.Get <ILogger>().Info("Disconnecting pin {0}", info.name);
FilterGraphTools.FreePinInfo(info);
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
FilterGraphTools.FreePinInfo(info);
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get <ILogger>().Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get <ILogger>().Error("Error disconnecting other: {0:x}", hr);
}
Marshal.ReleaseComObject(other);
}
else
{
ServiceRegistration.Get <ILogger>().Info(" Not connected");
}
return(allDisconnected);
}
public static IBaseFilter AddToGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
using (Settings xmlreader = new MPSettings())
{
string engineType = xmlreader.GetValueAsString("subtitles", "engine", "DirectVobSub");
XySubFilter = engineType.Equals("XySubFilter");
}
if (!XySubFilter)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
}
}
else
{
//Try the XySubFilter "autoload" filter.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterAutoload, out vob);
if (vob != null)
{
return(vob);
}
//Try the XySubFilter "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterNormal, out vob);
if (vob != null)
{
return(vob);
}
vob = DirectShowUtil.AddFilterToGraph(graphBuilder, "XySubFilter");
if (vob == null)
{
Log.Warn("VideoPlayerVMR9: DirectVobSub or XySubFilter filter not found! You need to install XySubFilter");
return(null);
}
Log.Debug("VideoPlayerVMR9: VobSub filter added to graph");
return(vob);
}
//if the directvobsub filter has not been added to the graph. (i.e. with evr)
//we add a bit more intelligence to determine if subtitles are enabled.
//and if subtitles are present for the video / movie then we add it if necessary to the graph.
if (vob == null)
{
Log.Info("VideoPlayerVMR9: No VobSub filter in the current graph");
//the filter has not been added lets check if it should be added or not.
//add the filter to the graph
vob = DirectShowUtil.AddFilterToGraph(graphBuilder, "DirectVobSub");
if (vob == null)
{
Log.Warn("VideoPlayerVMR9: DirectVobSub or XySubFilter filter not found! You need to install VSFilter");
return(null);
}
Log.Debug("VideoPlayerVMR9: VobSub filter added to graph");
}
else // VobSub already loaded
{
return(vob);
}
// Check if Haali Media Splitter is in the graph.
IBaseFilter hms = null;
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.HaaliGuid, out hms);
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.MPCMatroska, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.MPCMatroskaSource, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.LAVFilter, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.LAVFilterSource, out hms);
}
if (hms != null)
{
IPin pinSubTo = null;
// It is. Connect it' subtitle output pin (if any) to Vobsub's subtitle input.
pinSubTo = DirectShowUtil.FindPin(hms, PinDirection.Output, "Subtitle");
if (pinSubTo == null)
{
while (true)
{
IPin freeSubtitle = DirectShowUtil.FindFirstFreePinSub(hms, PinDirection.Output, "");
IPin freeVobSub = DirectShowUtil.FindFirstFreePin(vob, PinDirection.Input, "Input");
if (freeSubtitle != null && freeVobSub != null)
{
Log.Debug("VideoPlayerVMR9: Connecting Matroska's subtitle output to VobSub's input.");
graphBuilder.Connect(freeSubtitle, freeVobSub);
DirectShowUtil.ReleaseComObject(freeSubtitle);
freeSubtitle = null;
DirectShowUtil.ReleaseComObject(freeVobSub);
freeVobSub = null;
}
else
{
break;
}
}
}
DirectShowUtil.ReleaseComObject(hms);
hms = null;
if (pinSubTo != null)
{
Log.Debug("VideoPlayerVMR9: Connecting Haali's subtitle output to VobSub's input.");
// Try to render pins
IPin pinVobSubSub = DirectShowUtil.FindPin(vob, PinDirection.Input, "Input");
// If pinSubTo is already connected (disconnect it)
graphBuilder.Disconnect(pinSubTo);
graphBuilder.Connect(pinSubTo, pinVobSubSub);
DirectShowUtil.ReleaseComObject(pinSubTo);
pinSubTo = null;
DirectShowUtil.ReleaseComObject(pinVobSubSub);
pinVobSubSub = null;
}
}
// Now check if vobsub's video input is not connected.
// Check only if vmr9 is connected (render was successful).
VMR9Util Vmr9 = VMR9Util.g_vmr9;
if (Vmr9.IsVMR9Connected)
{
Log.Debug("VideoPlayerVMR9: Connect VobSub's video pins");
IPin pinVobSubVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVobSubVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
// This is the pin that we will connect to vobsub's input.
IPin pinVideoTo = Vmr9.PinConnectedTo;
IPin pinVideoFrom = null;
pinVideoTo.ConnectedTo(out pinVideoFrom);
pinVideoTo.Disconnect();
pinVideoFrom.Disconnect();
//Now make connection to VobSub
int hr = graphBuilder.Connect(pinVideoTo, pinVobSubVideoIn);
//hr = graphBuilder.Render(pinVideoFrom);
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: could not connect Vobsub's input video pin");
return(null);
}
hr = graphBuilder.Connect(pinVobSubVideoOut, pinVideoFrom);
//hr = graphBuilder.Render(pinVobSubVideoOut);
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: could not connect Vobsub's output video pin");
return(null);
}
Log.Debug("VideoPlayerVMR9: Vobsub's video pins connected");
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
DirectShowUtil.ReleaseComObject(pinVobSubVideoIn);
pinVobSubVideoIn = null;
DirectShowUtil.ReleaseComObject(pinVobSubVideoOut);
pinVobSubVideoOut = null;
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
}
Vmr9 = null;
return(vob);
}
public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
DsUtils.FreePinInfo(info);
Marshal.ReleaseComObject(other);
}
else
{
}
return allDisconnected;
}
private static bool TryConnect(IGraphBuilder graphBuilder, string filtername, IPin outputPin, IBaseFilter to)
{
bool ret = false;
int hr;
FilterInfo info;
PinInfo outputInfo;
to.QueryFilterInfo(out info);
ReleaseComObject(info.pGraph);
outputPin.QueryPinInfo(out outputInfo);
DsUtils.FreePinInfo(outputInfo);
if (info.achName.Equals(filtername))
{
return false; //do not connect to self
}
Log.Debug("Testing filter: {0}", info.achName);
IEnumPins enumPins;
IPin[] pins = new IPin[1];
to.EnumPins(out enumPins);
do
{
int pinsFetched;
hr = enumPins.Next(1, pins, out pinsFetched);
if (hr != 0 || pinsFetched == 0)
{
break;
}
PinDirection direction;
pins[0].QueryDirection(out direction);
if (direction == PinDirection.Input && !HasConnection(pins[0])) // && TestMediaTypes(outputPin, pins[0]))
{
PinInfo pinInfo;
pins[0].QueryPinInfo(out pinInfo);
DsUtils.FreePinInfo(pinInfo);
Log.Debug("Testing compatibility to {0}",
pinInfo.name);
//ListMediaTypes(pins[0]);
//hr = outputPin.Connect(pins[0], null);
hr = graphBuilder.ConnectDirect(outputPin, pins[0], null);
if (hr == 0)
{
Log.Debug("Connection succeeded");
if (RenderOutputPins(graphBuilder, to))
{
Log.Info("Successfully rendered pin {0}:{1} to {2}:{3}.",
filtername, outputInfo.name, info.achName, pinInfo.name);
ret = true;
ReleaseComObject(pins[0]);
break;
}
else
{
Log.Debug("Rendering got stuck. Trying next filter, and disconnecting {0}!", outputInfo.name);
outputPin.Disconnect();
pins[0].Disconnect();
}
}
else
{
Log.Debug("Could not connect, filters are not compatible: {0:x}", hr);
}
}
ReleaseComObject(pins[0]);
} while (true);
ReleaseComObject(enumPins);
if (!ret)
{
Log.Debug("Dead end. Could not successfully connect pin {0} to filter {1}!", outputInfo.name, info.achName);
}
return ret;
}
public static void tオーディオレンダラをNullレンダラに変えてフォーマットを取得する(IGraphBuilder graphBuilder, out WaveFormat wfx, out byte[] wfx拡張データ)
{
int hr = 0;
IBaseFilter audioRenderer = null;
IPin rendererInputPin = null;
IPin rendererConnectedOutputPin = null;
IBaseFilter nullRenderer = null;
IPin nullRendererInputPin = null;
wfx = null;
wfx拡張データ = new byte[0];
try
{
// audioRenderer を探す。
audioRenderer = CDirectShow.tオーディオレンダラを探して返す(graphBuilder);
if (audioRenderer == null)
{
return; // なかった
}
#region [ 音量ゼロで一度再生する。（オーディオレンダラの入力ピンMediaTypeが、接続時とは異なる「正しいもの」に変わる可能性があるため。）]
//-----------------
{
// ここに来た時点で、グラフのビデオレンダラは無効化（NullRendererへの置換や除去など）しておくこと。
// さもないと、StopWhenReady() 時に一瞬だけ Activeウィンドウが表示されてしまう。
var mediaCtrl = (IMediaControl)graphBuilder;
var basicAudio = (IBasicAudio)graphBuilder;
basicAudio.put_Volume(-10000); // 最小音量
// グラフを再生してすぐ止める。（Paused → Stopped へ遷移する）
mediaCtrl.StopWhenReady();
// グラフが Stopped に遷移完了するまで待つ。（StopWhenReady() はグラフが Stopped になるのを待たずに帰ってくる。）
FilterState fs = FilterState.Paused;
hr = CWin32.S_FALSE;
while (fs != FilterState.Stopped || hr != CWin32.S_OK)
{
hr = mediaCtrl.GetState(10, out fs);
}
// 終了処理。
basicAudio.put_Volume(0); // 最大音量
basicAudio = null;
mediaCtrl = null;
}
//-----------------
#endregion
// audioRenderer の入力ピンを探す。
rendererInputPin = t最初の入力ピンを探して返す(audioRenderer);
if (rendererInputPin == null)
{
return;
}
// WAVEフォーマットを取得し、wfx 引数へ格納する。
var type = new AMMediaType();
hr = rendererInputPin.ConnectionMediaType(type);
DsError.ThrowExceptionForHR(hr);
try
{
wfx = new WaveFormat();
#region [ type.formatPtr から wfx に、拡張領域を除くデータをコピーする。]
//-----------------
var wfxTemp = new WaveFormatEx(); // SharpDX.Multimedia.WaveFormat は Marshal.PtrToStructure() で使えないので、それが使える DirectShowLib.WaveFormatEx を介して取得する。（面倒…）
Marshal.PtrToStructure(type.formatPtr, (object)wfxTemp);
wfx = WaveFormat.CreateCustomFormat((WaveFormatEncoding)wfxTemp.wFormatTag, wfxTemp.nSamplesPerSec, wfxTemp.nChannels, wfxTemp.nAvgBytesPerSec, wfxTemp.nBlockAlign, wfxTemp.wBitsPerSample);
//-----------------
#endregion
#region [ 拡張領域が存在するならそれを wfx拡張データ に格納する。 ]
//-----------------
int nWaveFormatEx本体サイズ = 16 + 2; // sizeof( WAVEFORMAT ) + sizof( WAVEFORMATEX.cbSize )
int nはみ出しサイズbyte = type.formatSize - nWaveFormatEx本体サイズ;
if (nはみ出しサイズbyte > 0)
{
wfx拡張データ = new byte[nはみ出しサイズbyte];
var hGC = GCHandle.Alloc(wfx拡張データ, GCHandleType.Pinned); // 動くなよー
unsafe
{
byte *src = (byte *)type.formatPtr.ToPointer();
byte *dst = (byte *)hGC.AddrOfPinnedObject().ToPointer();
CWin32.CopyMemory(dst, src + nWaveFormatEx本体サイズ, (uint)nはみ出しサイズbyte);
}
hGC.Free();
}
//-----------------
#endregion
}
finally
{
if (type != null)
{
DsUtils.FreeAMMediaType(type);
}
}
// audioRenderer につながる出力ピンを探す。
hr = rendererInputPin.ConnectedTo(out rendererConnectedOutputPin);
DsError.ThrowExceptionForHR(hr);
// audioRenderer をグラフから切断する。
rendererInputPin.Disconnect();
rendererConnectedOutputPin.Disconnect();
// audioRenderer をグラフから除去する。
hr = graphBuilder.RemoveFilter(audioRenderer);
DsError.ThrowExceptionForHR(hr);
// nullRenderer を作成し、グラフに追加する。
nullRenderer = (IBaseFilter) new NullRenderer();
hr = graphBuilder.AddFilter(nullRenderer, "Audio Null Renderer");
DsError.ThrowExceptionForHR(hr);
// nullRenderer の入力ピンを探す。
hr = nullRenderer.FindPin("In", out nullRendererInputPin);
DsError.ThrowExceptionForHR(hr);
// nullRenderer をグラフに接続する。
hr = rendererConnectedOutputPin.Connect(nullRendererInputPin, null);
DsError.ThrowExceptionForHR(hr);
}
finally
{
CCommon.tReleaseComObject(ref nullRendererInputPin);
CCommon.tReleaseComObject(ref nullRenderer);
CCommon.tReleaseComObject(ref rendererConnectedOutputPin);
CCommon.tReleaseComObject(ref rendererInputPin);
CCommon.tReleaseComObject(ref audioRenderer);
}
}
public static void RemoveFromGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
if (vob == null)
{
return;
}
}
Log.Info("VideoPlayerVMR9: DirectVobSub in graph, removing...");
// Check where video inputs are connected
IPin pinVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
//find directvobsub's video output pin source input pin
IPin pinVideoTo = null;
pinVideoOut.ConnectedTo(out pinVideoTo);
//find directvobsub's video input pin source output pin
IPin pinVideoFrom = null;
pinVideoIn.ConnectedTo(out pinVideoFrom);
int hr;
if (pinVideoFrom != null)
{
hr = pinVideoFrom.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting source pin");
}
}
if (pinVideoTo != null)
{
hr = pinVideoTo.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting destination pin");
}
}
//remove the DirectVobSub filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
//reconnect the source output pin to the vmr9/evr filter
hr = graphBuilder.Connect(pinVideoFrom, pinVideoTo);
//hr = graphBuilder.Render(pinVideoFrom);
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
DirectShowUtil.ReleaseComObject(pinVideoOut);
pinVideoOut = null;
DirectShowUtil.ReleaseComObject(pinVideoIn);
pinVideoIn = null;
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: Could not connect video out to video renderer: {0}", hr);
}
else
{
Log.Debug("VideoPlayerVMR9: DirectVobSub graph rebuild finished");
}
}
public void SetUpForTs(ISampleGrabberCB grabber, int methodToCall)
{
FilterGraphTools.DisconnectPins(mpeg2Demux);
//FilterGraphTools.DisconnectPins(demodulator);
FilterGraphTools.DisconnectPins(audioRenderer);
FilterGraphTools.DisconnectPins(videoRenderer);
//graphBuilder.RemoveFilter(audioRenderer);
//graphBuilder.RemoveFilter(videoRenderer);
sampleGrabber = (ISampleGrabber) new SampleGrabber();
AMMediaType media = new AMMediaType();
media.majorType = MediaType.Stream;
media.subType = MediaSubType.Mpeg2Transport;
media.formatType = FormatType.MpegStreams;
sampleGrabber.SetOneShot(false);
sampleGrabber.SetBufferSamples(true);
int hr = sampleGrabber.SetMediaType(media);
DsError.ThrowExceptionForHR(hr);
graphBuilder.AddFilter((IBaseFilter)sampleGrabber, "Sample Grabber");
nullRenderer = (IBaseFilter) new NullRenderer();
graphBuilder.AddFilter(nullRenderer, "NULL Renderer");
IPin pinIn = DsFindPin.ByName((IBaseFilter)sampleGrabber, "Input");
IPin pinOut = DsFindPin.ByDirection(capture, PinDirection.Output, 0);
IEnumMediaTypes eMedia;
pinOut.EnumMediaTypes(out eMedia);
AMMediaType[] mediaTypes = new AMMediaType[1];
eMedia.Next(mediaTypes.Length, mediaTypes, IntPtr.Zero);
hr = sampleGrabber.SetMediaType(mediaTypes[0]);
DsError.ThrowExceptionForHR(hr);
pinOut.Disconnect();
PinInfo info;
pinOut.QueryPinInfo(out info);
hr = graphBuilder.ConnectDirect(pinOut, pinIn, mediaTypes[0]);
//hr = graphBuilder.Connect(pinOut, pinIn);
DsError.ThrowExceptionForHR(hr);
// Release the Pin
Marshal.ReleaseComObject(pinIn);
pinIn = DsFindPin.ByName(nullRenderer, "In");
pinOut = DsFindPin.ByName((IBaseFilter)sampleGrabber, "Output");
hr = graphBuilder.Connect(pinOut, pinIn);
DsError.ThrowExceptionForHR(hr);
sampleGrabber.SetCallback(grabber, methodToCall);
// Release the Pin
Marshal.ReleaseComObject(pinIn);
pinIn = null;
}
/// <summary>
/// Disconnects a single Pin.
/// </summary>
/// <param name="graphBuilder">IGraphBuilder</param>
/// <param name="pin">Pin to disconnect</param>
/// <returns>True if successful</returns>
bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IntPtr other_ptr;
int hr = pin.ConnectedTo(out other_ptr);
bool allDisconnected = true;
if (hr == 0 && other_ptr != IntPtr.Zero)
{
IPin other = Marshal.GetObjectForIUnknown(other_ptr) as IPin;
PinInfo info;
pin.QueryPinInfo(out info);
ServiceRegistration.Get<ILogger>().Info("Disconnecting pin {0}", info.name);
FilterGraphTools.FreePinInfo(info);
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
allDisconnected = false;
FilterGraphTools.FreePinInfo(info);
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get<ILogger>().Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get<ILogger>().Error("Error disconnecting other: {0:x}", hr);
}
Marshal.ReleaseComObject(other);
}
else
{
ServiceRegistration.Get<ILogger>().Info(" Not connected");
}
return allDisconnected;
}
/*
* 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
{
}
}
public static void RemoveFromGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
using (Settings xmlreader = new MPSettings())
{
string engineType = xmlreader.GetValueAsString("subtitles", "engine", "DirectVobSub");
XySubFilter = engineType.Equals("XySubFilter");
}
if (!XySubFilter)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
}
}
if (vob == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterAutoload, out vob);
if (vob != null)
{
//remove the XySubFilter filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
return;
}
//Try the XySubFilter "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterNormal, out vob);
if (vob != null)
{
//remove the XySubFilter filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
}
return;
}
Log.Info("VideoPlayerVMR9: DirectVobSub in graph, removing...");
// Check where video inputs are connected
IPin pinVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
//find directvobsub's video output pin source input pin
IPin pinVideoTo = null;
if (pinVideoOut != null)
{
pinVideoOut.ConnectedTo(out pinVideoTo);
}
//find directvobsub's video input pin source output pin
IPin pinVideoFrom = null;
if (pinVideoIn != null)
{
pinVideoIn.ConnectedTo(out pinVideoFrom);
}
int hr = 0;
if (pinVideoFrom != null)
{
hr = pinVideoFrom.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting source pin");
}
}
if (pinVideoTo != null)
{
hr = pinVideoTo.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting destination pin");
}
}
//remove the DirectVobSub filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
//reconnect the source output pin to the vmr9/evr filter
if (pinVideoFrom != null)
{
if (pinVideoTo != null)
{
hr = graphBuilder.Connect(pinVideoFrom, pinVideoTo);
}
//hr = graphBuilder.Render(pinVideoFrom);
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
}
if (pinVideoTo != null)
{
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
}
if (pinVideoOut != null)
{
DirectShowUtil.ReleaseComObject(pinVideoOut);
pinVideoOut = null;
}
if (pinVideoIn != null)
{
DirectShowUtil.ReleaseComObject(pinVideoIn);
pinVideoIn = null;
}
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: Could not connect video out to video renderer: {0}", hr);
}
else
{
Log.Debug("VideoPlayerVMR9: DirectVobSub graph rebuild finished");
}
}
public void TestConnectDisconnectConnectedToConnectionMediaType()
{
int hr;
IBaseFilter aviSplitter = null;
IBaseFilter ibfAVISource = null;
IPin pinIn = null;
IPin pinOut = null;
IFilterGraph2 graphBuilder = new FilterGraph() as IFilterGraph2;
try
{
ibfAVISource = new AsyncReader() as IBaseFilter;
// Add it to the graph
hr = graphBuilder.AddFilter(ibfAVISource, "Ds.NET AsyncReader");
Marshal.ThrowExceptionForHR(hr);
// Set the file name
IFileSourceFilter fsf = ibfAVISource as IFileSourceFilter;
hr = fsf.Load(@"foo.avi", null);
Marshal.ThrowExceptionForHR(hr);
pinOut = DsFindPin.ByDirection(ibfAVISource, PinDirection.Output, 0);
// Get the avi splitter
aviSplitter = (IBaseFilter) new AviSplitter();
// Add it to the graph
hr = graphBuilder.AddFilter(aviSplitter, "Ds.NET AviSplitter");
Marshal.ThrowExceptionForHR(hr);
pinIn = DsFindPin.ByDirection(aviSplitter, PinDirection.Input, 0);
Assert.IsNotNull(pinOut);
Assert.IsNotNull(pinIn);
// Test Connect
hr = pinOut.Connect(pinIn, null);
Marshal.ThrowExceptionForHR(hr);
// Test ConnectedTo
IPin pinConnect;
hr = pinOut.ConnectedTo(out pinConnect);
Marshal.ThrowExceptionForHR(hr);
Assert.AreEqual(pinIn, pinConnect);
// Test ConnectionMediaType
AMMediaType mediaType = new AMMediaType();
hr = pinIn.ConnectionMediaType(mediaType);
Marshal.ThrowExceptionForHR(hr);
Assert.IsNotNull(mediaType);
Assert.IsNotNull(mediaType.majorType);
// Test Disconnect
hr = pinOut.Disconnect();
Marshal.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(graphBuilder);
}
}
public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
Log.Info("Disconnecting pin {0}", info.name);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
Log.Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
Log.Error("Error disconnecting other: {0:x}", hr);
}
DsUtils.FreePinInfo(info);
ReleaseComObject(other);
}
else
{
Log.Info(" Not connected");
}
return allDisconnected;
}