/// <summary>
/// Übernimmt die Ansteuerung einer Antenne.
/// </summary>
/// <param name="tune">Der aktuelle Änderungswunsch.</param>
/// <returns>Beschreibt, wie weiter fortzufahren ist.</returns>
private PipelineResult ApplyDiSEqC( DataGraph.TuneToken tune )
{
// Not active
var diseqc = (tune == null) ? null : tune.DiSEqCMessage;
if (diseqc == null)
{
// Reset request - or first call at all
m_LastDiSEqC = null;
// Next
return PipelineResult.Continue;
}
// Attach to tuner
var tuner = tune.Pipeline.Graph.TunerFilter;
if (tuner == null)
return PipelineResult.Continue;
// Verify that grpah is created
if (tune.Pipeline.Graph.TransportStreamAnalyser == null)
return PipelineResult.Continue;
// Request the message to send
if (diseqc.Equals( m_LastDiSEqC ))
return PipelineResult.Continue;
// Attach to the one input pin of the tuner
using (var input = tuner.GetSinglePin( PinDirection.Input ))
using (var propertySet = KsPropertySet.Create<NovaDiSEqCMessage>( input.Interface ))
if (propertySet != null)
{
// Create the identifier of the property to use
var nodeReference = KsPNode.Create( BdaTunerExtensionProperties, BDATunerExtensions.DiSEqC, BDANodes.Tuner );
// Check for support of the property
if (!propertySet.DoesSupport( nodeReference, PropertySetSupportedTypes.Set ))
return PipelineResult.Continue;
// Create structures
var message = new NovaDiSEqCMessage();
// Create a copy
var command = (byte[]) diseqc.Request.Clone();
// As long as necessary
for (int nCount = diseqc.Repeat; nCount-- > 0; Thread.Sleep( 120 ))
try
{
// Prepare the message
message.Request = new byte[151];
message.Response = new byte[9];
// Fill the message
command.CopyTo( message.Request, 0 );
// Set the lengths
message.RequestLength = (uint) command.Length;
message.ResponseLength = 0;
// Configure
message.ToneBurstModulation = (ToneBurstModulationModes) diseqc.Burst;
message.ResponseMode = DiSEqCReceiveModes.NoReply;
message.DiSEqCVersion = DiSEqCVersions.Version1;
message.AmplitudeAttenuation = 3;
message.LastMessage = true;
// Send the message
propertySet.Set( nodeReference, message );
// Set repeat flag
if (command.Length > 0)
command[0] |= 1;
}
catch
{
// Reset
m_LastDiSEqC = null;
// Forward
throw;
}
// Remember
m_LastDiSEqC = diseqc.Clone();
}
// Done
return PipelineResult.Continue;
}
/// <summary>
/// Übernimmt die Ansteuerung einer Antenne.
/// </summary>
/// <param name="tune">Der aktuelle Änderungswunsch.</param>
/// <returns>Beschreibt, wie weiter fortzufahren ist.</returns>
private PipelineResult ApplyDiSEqC(DataGraph.TuneToken tune)
{
// Not active
var diseqc = (tune == null) ? null : tune.DiSEqCMessage;
if (diseqc == null)
{
// Reset request - or first call at all
m_LastDiSEqC = null;
// Next
return(PipelineResult.Continue);
}
// Attach to tuner
var tuner = tune.Pipeline.Graph.TunerFilter;
if (tuner == null)
{
return(PipelineResult.Continue);
}
// Verify that grpah is created
if (tune.Pipeline.Graph.TransportStreamAnalyser == null)
{
return(PipelineResult.Continue);
}
// Request the message to send
if (diseqc.Equals(m_LastDiSEqC))
{
return(PipelineResult.Continue);
}
// Attach to the one input pin of the tuner
using (var input = tuner.GetSinglePin(PinDirection.Input))
using (var propertySet = KsPropertySet.Create <NovaDiSEqCMessage>(input.Interface))
if (propertySet != null)
{
// Create the identifier of the property to use
var nodeReference = KsPNode.Create(BdaTunerExtensionProperties, BDATunerExtensions.DiSEqC, BDANodes.Tuner);
// Check for support of the property
if (!propertySet.DoesSupport(nodeReference, PropertySetSupportedTypes.Set))
{
return(PipelineResult.Continue);
}
// Create structures
var message = new NovaDiSEqCMessage();
// Create a copy
var command = (byte[])diseqc.Request.Clone();
// As long as necessary
for (int nCount = diseqc.Repeat; nCount-- > 0; Thread.Sleep(120))
{
try
{
// Prepare the message
message.Request = new byte[151];
message.Response = new byte[9];
// Fill the message
command.CopyTo(message.Request, 0);
// Set the lengths
message.RequestLength = (uint)command.Length;
message.ResponseLength = 0;
// Configure
message.ToneBurstModulation = (ToneBurstModulationModes)diseqc.Burst;
message.ResponseMode = DiSEqCReceiveModes.NoReply;
message.DiSEqCVersion = DiSEqCVersions.Version1;
message.AmplitudeAttenuation = 3;
message.LastMessage = true;
// Send the message
propertySet.Set(nodeReference, message);
// Set repeat flag
if (command.Length > 0)
{
command[0] |= 1;
}
}
catch
{
// Reset
m_LastDiSEqC = null;
// Forward
throw;
}
}
// Remember
m_LastDiSEqC = diseqc.Clone();
}
// Done
return(PipelineResult.Continue);
}
