public bool createSinkFactory( Guid aContainerTypeGUID, out ISampleGrabberCallbackSinkFactory aSinkFactory) { bool lresult = false; aSinkFactory = null; do { if (mSinkControl == null) { break; } try { object lIUnknown; mSinkControl.createSinkFactory( aContainerTypeGUID, typeof(CaptureManagerLibrary.ISampleGrabberCallbackSinkFactory).GUID, out lIUnknown); if (lIUnknown == null) { break; } var lFileSinkFactory = lIUnknown as CaptureManagerLibrary.ISampleGrabberCallbackSinkFactory; if (lFileSinkFactory == null) { break; } aSinkFactory = new SampleGrabberCallbackSinkFactory(lFileSinkFactory); } catch (Exception exc) { LogManager.getInstance().write(exc.Message); } } while (false); return(lresult); }
private Tuple <object, string, int> createAudioStream(ISampleGrabberCallbackSinkFactory aISampleGrabberCallbackSinkFactory, int aIndexCount) { object result = null; int index = 0; string lMediaType = ""; do { ISampleGrabberCallback lAACSampleGrabberCallback; aISampleGrabberCallbackSinkFactory.createOutputNode( MFMediaType_Audio, MFAudioFormat_AAC, out lAACSampleGrabberCallback); if (lAACSampleGrabberCallback != null) { lAACSampleGrabberCallback.mUpdateNativeFullEvent += delegate (uint aSampleFlags, long aSampleTime, long aSampleDuration, IntPtr aData, uint aSize) { if (s != null) { lock (s) { currentmillisecond = (int)(aSampleTime / (long)10000); s.sendAudioData(currentmillisecond, aData, (int)aSize, aIndexCount); } } }; var lSampleGrabberCallNode = lAACSampleGrabberCallback.getTopologyNode(); if (lSampleGrabberCallNode != null) { var mEncoderControl = mCaptureManager.createEncoderControl(); Guid lAACEncoder = new Guid("93AF0C51-2275-45d2-A35B-F2BA21CAED00"); IEncoderNodeFactory lIEncoderNodeFactory; mEncoderControl.createEncoderNodeFactory(lAACEncoder, out lIEncoderNodeFactory); if (lIEncoderNodeFactory != null) { var lSourceNode = mAudioSourcesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } var lNode = lSourceNode.SelectSingleNode("Source.Attributes/Attribute[@Name='MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_AUDCAP_SYMBOLIC_LINK']/SingleValue/@Value"); if (lNode == null) { break; } string lSymbolicLink = lNode.Value; lSourceNode = mAudioStreamsComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lStreamIndex = 0; if (!uint.TryParse(lNode.Value, out lStreamIndex)) { break; } lSourceNode = mAudioMediaTypesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lMediaTypeIndex = 0; if (!uint.TryParse(lNode.Value, out lMediaTypeIndex)) { break; } object lAudioSourceOutputMediaType; mSourceControl.getSourceOutputMediaType( lSymbolicLink, lStreamIndex, lMediaTypeIndex, out lAudioSourceOutputMediaType); object lAudioEncoder; lIEncoderNodeFactory.createEncoderNode( lAudioSourceOutputMediaType, StreamingCBR, 75, 0, lSampleGrabberCallNode, out lAudioEncoder); object lCompressedMediaType; lIEncoderNodeFactory.createCompressedMediaType( lAudioSourceOutputMediaType, StreamingCBR, 75, 0, out lCompressedMediaType); mSourceControl.createSourceNode( lSymbolicLink, lStreamIndex, lMediaTypeIndex, lAudioEncoder, out result); if (result != null) { index = aIndexCount; } mCaptureManager.parseMediaType(lCompressedMediaType, out lMediaType); } } } }while (false); return(Tuple.Create <object, string, int>(result, lMediaType, index)); }
private Tuple <object, string, int> createVideoStream(ISampleGrabberCallbackSinkFactory aISampleGrabberCallbackSinkFactory, int aIndexCount) { object result = null; int index = 0; string lMediaType = ""; do { var lSourceNode = mSourcesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } var lNode = lSourceNode.SelectSingleNode("Source.Attributes/Attribute[@Name='MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK']/SingleValue/@Value"); if (lNode == null) { break; } string lSymbolicLink = lNode.Value; lSourceNode = mStreamsComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lStreamIndex = 0; if (!uint.TryParse(lNode.Value, out lStreamIndex)) { break; } lSourceNode = mMediaTypesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lMediaTypeIndex = 0; if (!uint.TryParse(lNode.Value, out lMediaTypeIndex)) { break; } IEVRSinkFactory lSinkFactory; var lSinkControl = mCaptureManager.createSinkControl(); lSinkControl.createSinkFactory( Guid.Empty, out lSinkFactory); object lEVROutputNode = null; lSinkFactory.createOutputNode( mVideoPanel.Handle, out lEVROutputNode); if (lEVROutputNode == null) { break; } ISampleGrabberCallback lH264SampleGrabberCallback; aISampleGrabberCallbackSinkFactory.createOutputNode( MFMediaType_Video, MFVideoFormat_H264, out lH264SampleGrabberCallback); object lOutputNode = lEVROutputNode; if (lH264SampleGrabberCallback != null) { lH264SampleGrabberCallback.mUpdateNativeFullEvent += delegate (uint aSampleFlags, long aSampleTime, long aSampleDuration, IntPtr aData, uint aSize) { if (s != null) { lock (s) { currentmillisecond += 1; s.sendVideoData(currentmillisecond, aData, (int)aSize, aIndexCount); currentmillisecond += (int)(aSampleDuration / (long)10000); } } }; var lSampleGrabberCallNode = lH264SampleGrabberCallback.getTopologyNode(); if (lSampleGrabberCallNode != null) { IStreamControl streamControl = mCaptureManager.createStreamControl(); ISpreaderNodeFactory spreaderNodeFactory = null; object spreaderNode = null; List <object> outputNodeList = new List <object>(); var mEncoderControl = mCaptureManager.createEncoderControl(); string lxmldoc = ""; XmlDocument doc = new XmlDocument(); mCaptureManager.getCollectionOfEncoders(ref lxmldoc); doc.LoadXml(lxmldoc); var l_VideoEncoderNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73646976-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID"); if (l_VideoEncoderNode == null) { break; } Guid lCLSIDVideoEncoder; if (!Guid.TryParse(l_VideoEncoderNode.Value, out lCLSIDVideoEncoder)) { break; } IEncoderNodeFactory lIEncoderNodeFactory; mEncoderControl.createEncoderNodeFactory(lCLSIDVideoEncoder, out lIEncoderNodeFactory); if (lIEncoderNodeFactory != null) { object lVideoSourceOutputMediaType; if (mSourceControl == null) { break; } mSourceControl.getSourceOutputMediaType( lSymbolicLink, lStreamIndex, lMediaTypeIndex, out lVideoSourceOutputMediaType); object lVideoEncoderNode; lIEncoderNodeFactory.createEncoderNode( lVideoSourceOutputMediaType, StreamingCBR, 25, 0, lSampleGrabberCallNode, out lVideoEncoderNode); object lCompressedMediaType; lIEncoderNodeFactory.createCompressedMediaType( lVideoSourceOutputMediaType, StreamingCBR, 25, 0, out lCompressedMediaType); streamControl.createStreamControlNodeFactory(ref spreaderNodeFactory); outputNodeList.Add(lEVROutputNode); outputNodeList.Add(lVideoEncoderNode); spreaderNodeFactory.createSpreaderNode(outputNodeList, out spreaderNode); if (spreaderNode != null) { lOutputNode = spreaderNode; } mCaptureManager.parseMediaType(lCompressedMediaType, out lMediaType); } } } string lextendSymbolicLink = lSymbolicLink + " --options=" + "<?xml version='1.0' encoding='UTF-8'?>" + "<Options>" + "<Option Type='Cursor' Visiblity='True'>" + "<Option.Extensions>" + "<Extension Type='BackImage' Height='100' Width='100' Fill='0x7055ff55' />" + "</Option.Extensions>" + "</Option>" + "</Options>"; lextendSymbolicLink += " --normalize=Landscape"; mSourceControl.createSourceNode( lextendSymbolicLink, lStreamIndex, lMediaTypeIndex, lOutputNode, out result); if (result != null) { index = aIndexCount; } }while (false); return(Tuple.Create <object, string, int>(result, lMediaType, index)); }
private void mLaunchButton_Click(object sender, RoutedEventArgs e) { if (!m_socketAccessable) { return; } if (mLaunchButton.Content == "Stop") { if (s != null) { s.disconnect(); } if (mISession != null) { mISession.closeSession(); mLaunchButton.Content = "Launch"; } mISession = null; return; } string lxmldoc = ""; mCaptureManager.getCollectionOfSinks(ref lxmldoc); XmlDocument doc = new XmlDocument(); doc.LoadXml(lxmldoc); var lSinkNode = doc.SelectSingleNode("SinkFactories/SinkFactory[@GUID='{3D64C48E-EDA4-4EE1-8436-58B64DD7CF13}']"); if (lSinkNode == null) { return; } var lContainerNode = lSinkNode.SelectSingleNode("Value.ValueParts/ValuePart[1]"); if (lContainerNode == null) { return; } var lReadMode = setContainerFormat(lContainerNode); var lSinkControl = mCaptureManager.createSinkControl(); ISampleGrabberCallbackSinkFactory lSampleGrabberCallbackSinkFactory = null; lSinkControl.createSinkFactory( lReadMode, out lSampleGrabberCallbackSinkFactory); int lIndexCount = 0; var lVideoStreamSourceNode = createVideoStream(lSampleGrabberCallbackSinkFactory, lIndexCount); var lAudioStreamSourceNode = createAudioStream(lSampleGrabberCallbackSinkFactory, lIndexCount); XmlDocument l_streamMediaTypesXml = new XmlDocument(); XmlNode ldocNode = l_streamMediaTypesXml.CreateXmlDeclaration("1.0", "UTF-8", null); l_streamMediaTypesXml.AppendChild(ldocNode); XmlElement rootNode = l_streamMediaTypesXml.CreateElement("MediaTypes"); l_streamMediaTypesXml.AppendChild(rootNode); var lAttr = l_streamMediaTypesXml.CreateAttribute("StreamName"); lAttr.Value = "0"; rootNode.Attributes.Append(lAttr); List <object> lSourceMediaNodeList = new List <object>(); if (lVideoStreamSourceNode.Item1 != null) { doc = new XmlDocument(); doc.LoadXml(lVideoStreamSourceNode.Item2); var lMediaType = doc.SelectSingleNode("MediaType"); if (lMediaType != null) { rootNode.AppendChild(l_streamMediaTypesXml.ImportNode(lMediaType, true)); } lSourceMediaNodeList.Add(lVideoStreamSourceNode.Item1); } if (lAudioStreamSourceNode.Item1 != null) { doc = new XmlDocument(); doc.LoadXml(lAudioStreamSourceNode.Item2); var lMediaType = doc.SelectSingleNode("MediaType"); if (lMediaType != null) { rootNode.AppendChild(l_streamMediaTypesXml.ImportNode(lMediaType, true)); } lSourceMediaNodeList.Add(lAudioStreamSourceNode.Item1); } var lSessionControl = mCaptureManager.createSessionControl(); if (lSessionControl == null) { return; } mISession = lSessionControl.createSession( lSourceMediaNodeList.ToArray()); if (mISession == null) { return; } mISession.registerUpdateStateDelegate(UpdateStateDelegate); mISession.startSession(0, Guid.Empty); mLaunchButton.Content = "Stop"; startServer(l_streamMediaTypesXml.InnerXml); }
private Tuple <object, RtspServer.StreamType, int> createAudioStream(ISampleGrabberCallbackSinkFactory aISampleGrabberCallbackSinkFactory, int aIndexCount) { object result = null; RtspServer.StreamType type = RtspServer.StreamType.Audio; int index = 0; do { Guid lAudioFormat = Guid.Empty; var lAudioCompressedNode = mAudioMediaTypeComboBox.SelectedItem as XmlNode; if (lAudioCompressedNode != null) { var lGUID = lAudioCompressedNode.SelectSingleNode("MediaTypeItem[@Name='MF_MT_SUBTYPE']/SingleValue/@GUID"); if (lGUID != null) { Guid.TryParse(lGUID.Value, out lAudioFormat); } } ISampleGrabberCallback lSampleGrabberCallback; aISampleGrabberCallbackSinkFactory.createOutputNode( MFMediaType_Audio, lAudioFormat, out lSampleGrabberCallback); if (lSampleGrabberCallback != null) { lSampleGrabberCallback.mUpdateFullEvent += delegate (uint aSampleFlags, long aSampleTime, long aSampleDuration, byte[] aData, uint aLength) { if (s != null) { lock (s) { currentmillisecond = (uint)aSampleTime / 10000; s.sendData(aIndexCount, (int)type, currentmillisecond * 90, aData); } } }; var lSampleGrabberCallNode = lSampleGrabberCallback.getTopologyNode(); if (lSampleGrabberCallNode != null) { var mEncoderControl = mCaptureManager.createEncoderControl(); var lEncoderNode = mAudioEncoderComboBox.SelectedItem as XmlNode; if (lEncoderNode == null) { break; } var lNode = lEncoderNode.SelectSingleNode("@CLSID"); if (lNode == null) { break; } Guid lCLSIDEncoder; if (!Guid.TryParse(lNode.Value, out lCLSIDEncoder)) { break; } IEncoderNodeFactory lIEncoderNodeFactory; mEncoderControl.createEncoderNodeFactory(lCLSIDEncoder, out lIEncoderNodeFactory); if (lIEncoderNodeFactory != null) { var lSourceNode = mAudioSourcesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("Source.Attributes/Attribute[@Name='MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_AUDCAP_SYMBOLIC_LINK']/SingleValue/@Value"); if (lNode == null) { break; } string lSymbolicLink = lNode.Value; lSourceNode = mAudioStreamsComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lStreamIndex = 0; if (!uint.TryParse(lNode.Value, out lStreamIndex)) { break; } lSourceNode = mAudioMediaTypesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lMediaTypeIndex = 0; if (!uint.TryParse(lNode.Value, out lMediaTypeIndex)) { break; } object lAudioSourceOutputMediaType; mSourceControl.getSourceOutputMediaType( lSymbolicLink, lStreamIndex, lMediaTypeIndex, out lAudioSourceOutputMediaType); object lAudioEncoder; lIEncoderNodeFactory.createEncoderNode(lAudioSourceOutputMediaType, //new Guid(0xee8c3745, 0xf45b, 0x42b3, 0xa8, 0xcc, 0xc7, 0xa6, 0x96, 0x44, 0x9, 0x55), //new Guid(0xca37e2be, 0xbec0, 0x4b17, 0x94, 0x6d, 0x44, 0xfb, 0xc1, 0xb3, 0xdf, 0x55), StreamingCBR, 75, 0, lSampleGrabberCallNode, out lAudioEncoder); mSourceControl.createSourceNode( lSymbolicLink, lStreamIndex, lMediaTypeIndex, lAudioEncoder, out result); if (result != null) { index = aIndexCount; } } } } }while (false); return(Tuple.Create <object, RtspServer.StreamType, int>(result, type, index)); }
private Tuple <object, RtspServer.StreamType, int, string> createVideoStream(ISampleGrabberCallbackSinkFactory aISampleGrabberCallbackSinkFactory, int aIndexCount) { object result = null; RtspServer.StreamType type = RtspServer.StreamType.Video; int index = 0; string format = ""; do { var lSourceNode = mSourcesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } var lNode = lSourceNode.SelectSingleNode("Source.Attributes/Attribute[@Name='MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK']/SingleValue/@Value"); if (lNode == null) { break; } string lSymbolicLink = lNode.Value; lSourceNode = mStreamsComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lStreamIndex = 0; if (!uint.TryParse(lNode.Value, out lStreamIndex)) { break; } lSourceNode = mMediaTypesComboBox.SelectedItem as XmlNode; if (lSourceNode == null) { break; } lNode = lSourceNode.SelectSingleNode("@Index"); if (lNode == null) { break; } uint lMediaTypeIndex = 0; if (!uint.TryParse(lNode.Value, out lMediaTypeIndex)) { break; } IEVRSinkFactory lSinkFactory; var lSinkControl = mCaptureManager.createSinkControl(); lSinkControl.createSinkFactory( Guid.Empty, out lSinkFactory); object lEVROutputNode = null; lSinkFactory.createOutputNode( mVideoPanel.Handle, out lEVROutputNode); if (lEVROutputNode == null) { break; } Guid lVideoFormat = Guid.Empty; var lVideoCompressedNode = mVideoMediaTypeComboBox.SelectedItem as XmlNode; if (lVideoCompressedNode != null) { var lGUID = lVideoCompressedNode.SelectSingleNode("MediaTypeItem[@Name='MF_MT_SUBTYPE']/SingleValue/@GUID"); if (lGUID != null) { Guid.TryParse(lGUID.Value, out lVideoFormat); } var lvalue = lVideoCompressedNode.SelectSingleNode("MediaTypeItem[@Name='MF_MT_SUBTYPE']/SingleValue/@Value"); if (lvalue != null && lvalue.Value != null) { var lsplit = lvalue.Value.Split(new char[] { '_' }); if (lsplit != null && lsplit.Length == 2) { format = lsplit[1]; } if (format == "HEVC") { format = "H265"; } } } ISampleGrabberCallback lSampleGrabberCallback = null; aISampleGrabberCallbackSinkFactory.createOutputNode( MFMediaType_Video, lVideoFormat, out lSampleGrabberCallback); object lOutputNode = lEVROutputNode; if (lSampleGrabberCallback != null) { lSampleGrabberCallback.mUpdateFullEvent += delegate (uint aSampleFlags, long aSampleTime, long aSampleDuration, byte[] aData, uint aLength) { if (s != null) { lock (s) { currentmillisecond += 1; s.sendData(aIndexCount, (int)type, currentmillisecond * 90, aData); currentmillisecond += 20; } } }; var lSampleGrabberCallNode = lSampleGrabberCallback.getTopologyNode(); if (lSampleGrabberCallNode != null) { IStreamControl streamControl = mCaptureManager.createStreamControl(); ISpreaderNodeFactory spreaderNodeFactory = null; object spreaderNode = null; List <object> outputNodeList = new List <object>(); var mEncoderControl = mCaptureManager.createEncoderControl(); var lEncoderNode = mVideoEncoderComboBox.SelectedItem as XmlNode; if (lEncoderNode == null) { break; } lNode = lEncoderNode.SelectSingleNode("@CLSID"); if (lNode == null) { break; } Guid lCLSIDEncoder; if (!Guid.TryParse(lNode.Value, out lCLSIDEncoder)) { break; } var lBitRate = (uint)mBitRateComboBox.SelectedItem; IEncoderNodeFactory lIEncoderNodeFactory; mEncoderControl.createEncoderNodeFactory(lCLSIDEncoder, out lIEncoderNodeFactory); if (lIEncoderNodeFactory != null) { object lVideoSourceOutputMediaType; if (mSourceControl == null) { break; } mSourceControl.getSourceOutputMediaType( lSymbolicLink, lStreamIndex, lMediaTypeIndex, out lVideoSourceOutputMediaType); object lVideoEncoderNode; lIEncoderNodeFactory.createEncoderNode(lVideoSourceOutputMediaType, StreamingCBR, lBitRate, 0, lSampleGrabberCallNode, out lVideoEncoderNode); streamControl.createStreamControlNodeFactory(ref spreaderNodeFactory); outputNodeList.Add(lEVROutputNode); outputNodeList.Add(lVideoEncoderNode); spreaderNodeFactory.createSpreaderNode(outputNodeList, out spreaderNode); if (spreaderNode != null) { lOutputNode = spreaderNode; } } } } string lextendSymbolicLink = lSymbolicLink + " --options=" + "<?xml version='1.0' encoding='UTF-8'?>" + "<Options>" + "<Option Type='Cursor' Visiblity='True'>" + "<Option.Extensions>" + "<Extension Type='BackImage' Height='100' Width='100' Fill='0x7055ff55' />" + "</Option.Extensions>" + "</Option>" + "</Options>"; lextendSymbolicLink += " --normalize=Landscape"; mSourceControl.createSourceNode( lextendSymbolicLink, lStreamIndex, lMediaTypeIndex, lOutputNode, out result); if (result != null) { index = aIndexCount; } }while (false); return(Tuple.Create <object, RtspServer.StreamType, int, string>(result, type, index, format)); }
private void mLaunchButton_Click(object sender, RoutedEventArgs e) { if (mLaunchButton.Content == "Stop") { if (s != null) { s.StopListen(); } s = null; if (mISession != null) { mISession.closeSession(); mLaunchButton.Content = "Launch"; } mISession = null; return; } string lxmldoc = ""; mCaptureManager.getCollectionOfSinks(ref lxmldoc); XmlDocument doc = new XmlDocument(); doc.LoadXml(lxmldoc); var lSinkNode = doc.SelectSingleNode("SinkFactories/SinkFactory[@GUID='{3D64C48E-EDA4-4EE1-8436-58B64DD7CF13}']"); if (lSinkNode == null) { return; } var lContainerNode = lSinkNode.SelectSingleNode("Value.ValueParts/ValuePart[1]"); if (lContainerNode == null) { return; } var lReadMode = setContainerFormat(lContainerNode); var lSinkControl = mCaptureManager.createSinkControl(); ISampleGrabberCallbackSinkFactory lSampleGrabberCallbackSinkFactory = null; lSinkControl.createSinkFactory( lReadMode, out lSampleGrabberCallbackSinkFactory); int lIndexCount = 120; var lVideoStreamSourceNode = createVideoStream(lSampleGrabberCallbackSinkFactory, lIndexCount++); var lAudioStreamSourceNode = createAudioStream(lSampleGrabberCallbackSinkFactory, lIndexCount++); List <object> lSourceMediaNodeList = new List <object>(); List <Tuple <RtspServer.StreamType, int, string> > streams = new List <Tuple <RtspServer.StreamType, int, string> >(); if (lVideoStreamSourceNode.Item1 != null) { lSourceMediaNodeList.Add(lVideoStreamSourceNode.Item1); streams.Add(Tuple.Create <RtspServer.StreamType, int, string>(lVideoStreamSourceNode.Item2, lVideoStreamSourceNode.Item3, lVideoStreamSourceNode.Item4)); } if (lAudioStreamSourceNode.Item1 != null) { lSourceMediaNodeList.Add(lAudioStreamSourceNode.Item1); streams.Add(Tuple.Create <RtspServer.StreamType, int, string>(lAudioStreamSourceNode.Item2, lAudioStreamSourceNode.Item3, "")); } var lSessionControl = mCaptureManager.createSessionControl(); if (lSessionControl == null) { return; } mISession = lSessionControl.createSession( lSourceMediaNodeList.ToArray()); if (mISession == null) { return; } mISession.registerUpdateStateDelegate(UpdateStateDelegate); mISession.startSession(0, Guid.Empty); mLaunchButton.Content = "Stop"; startServer(streams); }