/// <summary>
/// Build the graph.
/// </summary>
public override void BuildGraph()
{
try
{
if (_graphState != GraphState.Idle)
{
Log.Log.Info("DRI CC: device already initialised");
return;
}
bool useKeepAlive = !_isCetonDevice;
Log.Log.Info("DRI CC: connect to device, keep-alive = {0}", useKeepAlive);
_deviceConnection = _controlPoint.Connect(_descriptor.RootDescriptor, _descriptor.DeviceUUID, ResolveDataType, useKeepAlive);
// services
Log.Log.Debug("DRI CC: setup services");
_tunerService = new TunerService(_deviceConnection.Device);
_fdcService = new FdcService(_deviceConnection.Device);
_auxService = new AuxService(_deviceConnection.Device);
_encoderService = new EncoderService(_deviceConnection.Device);
_casService = new CasService(_deviceConnection.Device);
_muxService = new MuxService(_deviceConnection.Device);
_securityService = new SecurityService(_deviceConnection.Device);
_diagService = new DiagService(_deviceConnection.Device);
_avTransportService = new AvTransportService(_deviceConnection.Device);
_connectionManagerService = new ConnectionManagerService(_deviceConnection.Device);
Log.Log.Debug("DRI CC: subscribe services");
_stateVariableDelegate = new StateVariableChangedDlgt(OnStateVariableChanged);
_tunerService.SubscribeStateVariables(_stateVariableDelegate);
_auxService.SubscribeStateVariables(_stateVariableDelegate);
_encoderService.SubscribeStateVariables(_stateVariableDelegate);
_casService.SubscribeStateVariables(_stateVariableDelegate);
_securityService.SubscribeStateVariables(_stateVariableDelegate);
_avTransportService.SubscribeStateVariables(_stateVariableDelegate);
_connectionManagerService.SubscribeStateVariables(_stateVariableDelegate);
// Give time for the device to notify us about initial state variable values.
// Attempting to continue with other actions now can overload the puny device
// processors.
Thread.Sleep(2000);
int rcsId = -1;
_connectionManagerService.PrepareForConnection(string.Empty, string.Empty, -1, UpnpConnectionDirection.Output, out _connectionId, out _avTransportId, out rcsId);
Log.Log.Debug("DRI CC: PrepareForConnection, connection ID = {0}, AV transport ID = {1}", _connectionId, _avTransportId);
// Check that the device is not already in use.
if (IsTunerInUse())
{
throw new TvExceptionGraphBuildingFailed("DRI CC: tuner appears to be in use");
}
ReadDeviceInfo();
Log.Log.Info("DRI CC: build graph");
_graphBuilder = (IFilterGraph2)new FilterGraph();
_capBuilder = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
_rotEntry = new DsROTEntry(_graphBuilder);
AddTsWriterFilterToGraph();
AddStreamSourceFilter();
// This shouldn't be required, but it enables us to reuse TvCardDvbBase
// and use CI menus for delivering messages from the CableCARD to the
// user.
_conditionalAccess = new ConditionalAccess(null, null, null, this);
_graphState = GraphState.Created;
}
catch (Exception)
{
Dispose();
throw;
}
}
public override void Dispose()
{
if (_eventSignalLock != null)
{
_eventSignalLock.Close();
_eventSignalLock = null;
}
base.Dispose();
RemoveStreamSourceFilter();
if (_mpeg2TransportStream != null)
{
DsUtils.FreeAMMediaType(_mpeg2TransportStream);
_mpeg2TransportStream = null;
}
if (_tunerService != null)
{
_tunerService.Dispose();
_tunerService = null;
}
if (_fdcService != null)
{
_fdcService.Dispose();
_fdcService = null;
}
if (_auxService != null)
{
_auxService.Dispose();
_auxService = null;
}
if (_encoderService != null)
{
_encoderService.Dispose();
_encoderService = null;
}
if (_casService != null)
{
_casService.Dispose();
_casService = null;
}
if (_muxService != null)
{
_muxService.Dispose();
_muxService = null;
}
if (_securityService != null)
{
_securityService.Dispose();
_securityService = null;
}
if (_diagService != null)
{
_diagService.Dispose();
_diagService = null;
}
if (_avTransportService != null)
{
if (_gotTunerControl && _transportState != UpnpAvTransportState.STOPPED)
{
_avTransportService.Stop((uint)_avTransportId);
_transportState = UpnpAvTransportState.STOPPED;
}
_avTransportService.Dispose();
_avTransportService = null;
}
if (_connectionManagerService != null)
{
_connectionManagerService.ConnectionComplete(_connectionId);
_connectionManagerService.Dispose();
_connectionManagerService = null;
}
if (_deviceConnection != null)
{
_deviceConnection.Disconnect();
_deviceConnection = null;
}
_gotTunerControl = false;
}
