public GraphBuilderTV TuneChannel(Channel channel, bool needRebuild, GraphBuilderBase currentGraph, VideoControl hostingControl)
{
if (needRebuild && currentGraph != null)
{
ClearGraph();
//OnGraphStop();
//currentGraph.Dispose();
//currentGraph = null;
}
GraphBuilderTV currentGraphTV = currentGraph as GraphBuilderTV;
if (channel is ChannelDVB)
{
ChannelDVB channelDVB = channel as ChannelDVB;
if (needRebuild)
{
GraphBuilderBDA newGraph = null;
switch(this.graphBuilderType)
{
case GraphBuilderType.BDA:
newGraph = new GraphBuilderBDA(hostingControl);
break;
case GraphBuilderType.BDATimeShifting:
newGraph = new GraphBuilderBDATimeShifting(hostingControl);
break;
case GraphBuilderType.BDAMosaic:
newGraph = new GraphBuilderBDAMosaic(hostingControl);
break;
}
newGraph.GraphStarted += new EventHandler(newGraph_GraphStarted);
newGraph.GraphEnded += new EventHandler(newGraph_GraphEnded);
newGraph.PossibleChanged += new EventHandler<GraphBuilderBase.PossibleEventArgs>(newGraph_PossibleChanged);
newGraph.Settings = Settings;
currentGraphTV = newGraph;
newGraph.ReferenceClock = channelDVB.ReferenceClock;
newGraph.AudioDecoderType = channelDVB.AudioDecoderType;
DsDevice device;
if (!string.IsNullOrEmpty(channelDVB.AudioDecoderDevice))
{
if (GraphBuilderBDA.AudioDecoderDevices.TryGetValue(channelDVB.AudioDecoderDevice, out device))
newGraph.AudioDecoderDevice = device;
else
throw new Exception(string.Format(Properties.Resources.AudioDeviceNotFound, channelDVB.AudioDecoderDevice));
}
if (channelDVB.VideoDecoderType == ChannelDVB.VideoType.MPEG2)
{
if (!string.IsNullOrEmpty(channelDVB.MPEG2DecoderDevice))
{
if (GraphBuilderBDA.MPEG2DecoderDevices.TryGetValue(channelDVB.MPEG2DecoderDevice, out device))
newGraph.Mpeg2DecoderDevice = device;
else
throw new Exception(string.Format(Properties.Resources.MPEG2DecoderDeviceNotFound, channelDVB.MPEG2DecoderDevice));
}
}
else
{
if (!string.IsNullOrEmpty(channelDVB.H264DecoderDevice))
{
if (GraphBuilderBDA.H264DecoderDevices.TryGetValue(channelDVB.H264DecoderDevice, out device))
newGraph.H264DecoderDevice = device;
else
throw new Exception(string.Format(Properties.Resources.H264DecoderDeviceNotFound, channelDVB.H264DecoderDevice));
}
}
if (!string.IsNullOrEmpty(channelDVB.AudioRendererDevice))
{
if (GraphBuilderBDA.AudioRendererDevices.TryGetValue(channelDVB.AudioRendererDevice, out device))
newGraph.AudioRendererDevice = device;
else
throw new Exception(string.Format(Properties.Resources.AudioRendererDeviceNotFound, channelDVB.AudioRendererDevice));
}
if (!string.IsNullOrEmpty(channelDVB.TunerDevice))
{
if (GraphBuilderBDA.TunerDevices.TryGetValue(channelDVB.TunerDevice, out device))
newGraph.TunerDevice = device;
else
throw new Exception(string.Format(Properties.Resources.TunerDeviceNotFound, channelDVB.TunerDevice));
}
if (!string.IsNullOrEmpty(channelDVB.CaptureDevice))
{
if (GraphBuilderBDA.CaptureDevices.TryGetValue(channelDVB.CaptureDevice, out device))
newGraph.CaptureDevice = device;
else
throw new Exception(string.Format(Properties.Resources.CaptureDeviceNotFound, channelDVB.CaptureDevice));
}
IDVBTuningSpace tuningSpace = (IDVBTuningSpace)new DVBTuningSpace();
if (channel is ChannelDVBT)
{
tuningSpace.put_UniqueName("DVBT TuningSpace");
tuningSpace.put_FriendlyName("DVBT TuningSpace");
tuningSpace.put_NetworkType(CLSID.DVBTNetworkProvider);
tuningSpace.put_SystemType(DVBSystemType.Terrestrial);
}
else if (channel is ChannelDVBC)
{
tuningSpace.put_UniqueName("DVBC TuningSpace");
tuningSpace.put_FriendlyName("DVBC TuningSpace");
tuningSpace.put_NetworkType(CLSID.DVBCNetworkProvider);
tuningSpace.put_SystemType(DVBSystemType.Cable);
}
else if (channel is ChannelDVBS)
{
tuningSpace.put_UniqueName("DVBS TuningSpace");
tuningSpace.put_FriendlyName("DVBS TuningSpace");
tuningSpace.put_NetworkType(CLSID.DVBSNetworkProvider);
tuningSpace.put_SystemType(DVBSystemType.Satellite);
}
newGraph.TuningSpace = tuningSpace as ITuningSpace;
newGraph.BuildGraph();
}
currentGraphTV.SubmitTuneRequest(channel);
currentGraphTV.VideoZoomMode = channelDVB.VideoZoomMode;
currentGraphTV.VideoKeepAspectRatio = channelDVB.VideoKeepAspectRatio;
currentGraphTV.VideoOffset = channelDVB.VideoOffset;
currentGraphTV.VideoZoom = channelDVB.VideoZoom;
currentGraphTV.VideoAspectRatioFactor = channelDVB.VideoAspectRatioFactor;
currentGraphTV.RunGraph();
//currentGraph.VideoResizer();
currentGraphTV.CurrentChannel = channel;
}
else if (channel is ChannelAnalogic)
{
ChannelAnalogic channelAnalogic = channel as ChannelAnalogic;
if (needRebuild)
{
GraphBuilderWDM newGraph = new GraphBuilderWDM(hostingControl);
newGraph.GraphStarted += new EventHandler(newGraph_GraphStarted);
newGraph.GraphEnded += new EventHandler(newGraph_GraphEnded);
newGraph.PossibleChanged += new EventHandler<GraphBuilderBase.PossibleEventArgs>(newGraph_PossibleChanged);
newGraph.Settings = Settings;
currentGraphTV = newGraph;
DsDevice device;
if (GraphBuilderWDM.AudioRendererDevices.TryGetValue(channelAnalogic.AudioRendererDevice, out device))
newGraph.AudioRendererDevice = device;
if (GraphBuilderWDM.VideoInputDevices.TryGetValue(channelAnalogic.VideoCaptureDeviceName, out device))
newGraph.VideoCaptureDevice = device;
if (GraphBuilderWDM.AudioInputDevices.TryGetValue(channelAnalogic.AudioCaptureDeviceName, out device))
newGraph.AudioCaptureDevice = device;
newGraph.FormatOfCapture = channelAnalogic.FormatOfCapture;
newGraph.BuildGraph();
}
bool goodTuning = true;
try
{
currentGraphTV.SubmitTuneRequest(channel);
}
catch (COMException)
{
goodTuning = false;
}
if (goodTuning)
{
currentGraphTV.VideoZoomMode = channelAnalogic.VideoZoomMode;
currentGraphTV.VideoKeepAspectRatio = channelAnalogic.VideoKeepAspectRatio;
currentGraphTV.VideoOffset = channelAnalogic.VideoOffset;
currentGraphTV.VideoZoom = channelAnalogic.VideoZoom;
currentGraphTV.VideoAspectRatioFactor = channelAnalogic.VideoAspectRatioFactor;
currentGraphTV.RunGraph();
//currentGraph.VideoResizer();
currentGraphTV.CurrentChannel = channel;
}
else
currentGraphTV.CurrentChannel = null;
}
return currentGraphTV;
}
