/// <summary>
/// Beginnt den Empfang eines Datenstroms.
/// </summary>
/// <param name="stream">Der gewünschte Datenstrom.</param>
protected override void OnStart(Hardware.StreamInformation stream)
{
// Validate
if (stream == null)
{
throw new ArgumentNullException("stream");
}
// Not started
if (Receiver == null)
{
return;
}
// Not of interest to us
if (stream.Consumer == null)
{
return;
}
// Attach to the data manager
var manager = Receiver.TransportStreamAnalyser.DataManager;
// Check mode
var type = stream.StreamType;
bool siTableMode;
switch (type)
{
case StreamTypes.StandardTable: siTableMode = true; break;
case StreamTypes.ExtendedTable: siTableMode = true; break;
case StreamTypes.UnknownPES: siTableMode = false; break;
case StreamTypes.VideoText: siTableMode = false; break;
case StreamTypes.SubTitle: siTableMode = false; break;
case StreamTypes.Audio: siTableMode = false; break;
case StreamTypes.Video: siTableMode = false; break;
default: throw new NotSupportedException(type.ToString());
}
// Register callback
manager.AddFilter(stream.Identifier, siTableMode, p => stream.Consumer(p, 0, p.Length));
// Start filter at once
manager.StartFilter(stream.Identifier);
}
/// <summary>
/// Beendet den Empfang eines Datenstroms.
/// </summary>
/// <param name="stream">Der betroffene Datenstrom.</param>
protected override void OnStop(Hardware.StreamInformation stream)
{
// Validate
if (stream == null)
{
throw new ArgumentNullException("stream");
}
// Not started
if (Receiver == null)
{
return;
}
// Not of interest to us
if (stream.Consumer == null)
{
return;
}
// Just forward
Receiver.TransportStreamAnalyser.DataManager.StopFilter(stream.Identifier);
}