/// <summary>
/// Ermittelt eine möglicherweise eingeschränkte Datenstromauswahl.
/// </summary>
/// <param name="manager">Die Quelle, um die es geht.</param>
/// <returns>Eine geeignete Auswahl.</returns>
private StreamSelection GetOptimizedStreams(SourceStreamsManager manager)
{
// Not possible
if (null == CurrentSelection)
{
return(null);
}
// What we want to record
StreamSelection selection = new StreamSelection();
// Put it on
selection.AC3Tracks.LanguageMode = LanguageModes.All;
selection.MP2Tracks.LanguageMode = LanguageModes.All;
selection.SubTitles.LanguageMode = LanguageModes.All;
selection.ProgramGuide = true;
selection.Videotext = true;
// See if we are working on a limited device
if (!Device.HasConsumerRestriction)
{
return(selection);
}
// Stop picture for a moment
Device.SetConsumerState(VideoId, false);
Device.SetConsumerState(AudioId, false);
Device.SetConsumerState(TextId, false);
// Require restart
m_NeedRestart = true;
// Create a brand new optimizer
StreamSelectionOptimizer localOpt = new StreamSelectionOptimizer();
// Add the one stream
localOpt.Add(CurrentSelection, selection);
// Run the optimization
localOpt.Optimize();
// Report result
return(localOpt.GetStreams(0));
}
/// <summary>
/// Aktiviert die Verbraucherkontrolle für diese Quelle.
/// </summary>
/// <param name="source">Eine volle Referenz zur Quelle.</param>
public void EnableOptimizer(SourceSelection source)
{
// Just register
Manager.BeforeRecreateStream += manager =>
{
// Create a brand new optimizer
var localOpt = new StreamSelectionOptimizer();
// Add the one stream
localOpt.Add(source, RequestedStreams);
// Run the optimization
if (localOpt.Optimize() == 1)
{
return(localOpt.GetStreams(0));
}
// Failed - activation is not possible
return(null);
};
}
/// <summary>
/// Aktiviert den Empfang einer Quelle.
/// </summary>
/// <param name="sources">Informationen zu den zu aktivierenden Quellen.</param>
protected override void OnAddSources(ReceiveInformation[] sources)
{
// Prepare operation
Start(device =>
{
// Check mode
if (EPGProgress.HasValue)
{
CardServerException.Throw(new EPGActiveFault());
}
if (m_ScanProgress >= 0)
{
CardServerException.Throw(new SourceUpdateActiveFault());
}
// Force reload of group information to be current
device.ResetInformationReaders();
// Create optimizer
var optimizer = new StreamSelectionOptimizer();
// Source backmap
var infos = new Dictionary <SourceIdenfierWithKey, ReceiveInformation>();
// Pre-Test
foreach (var info in sources)
{
// It's not allowed to activate a source twice
var key = new SourceIdenfierWithKey(info.UniqueIdentifier, info.Selection.Source);
if (FindSource(key) != null)
{
CardServerException.Throw(new SourceInUseFault(info.Selection.Source));
}
// Remember
infos.Add(key, info);
// Prepare to optimize
optimizer.Add(info.Selection, info.Streams);
}
// See how many we are allowed to start
var allowed = optimizer.Optimize();
// Streams to activate
var newStreams = new List <ActiveStream>();
try
{
// Process all
for (int i = 0; i < allowed; ++i)
{
// Attach to the source
var current = sources[i];
var source = current.Selection;
var key = new SourceIdenfierWithKey(current.UniqueIdentifier, source.Source);
// Create the stream manager
var manager = source.Open(optimizer.GetStreams(i));
// Attach file size mapper
manager.FileBufferSizeChooser = infos[key].GetFileBufferSize;
// Create
var stream = new ActiveStream(key.UniqueIdentifier, manager, current.Streams, current.RecordingPath);
// Remember
newStreams.Add(stream);
// See if we have to connect an optimizer for restarts
if (device.HasConsumerRestriction)
{
stream.EnableOptimizer(source);
}
// Try to start
stream.Refresh(m_RetestWatchDogInterval);
}
// Loaded all
newStreams.ForEach(stream => Streams.Add(stream.SourceKey, stream));
// Generate response
try
{
// Create all
return(newStreams.Select(stream => stream.CreateInformation()).ToArray());
}
finally
{
// No need to clean up
newStreams.Clear();
}
}
finally
{
// Cleanup
newStreams.ForEach(stream => stream.Dispose());
}
});
}
/// <summary>
/// Aktiviert eine einzelne Quelle für den <i>Zapping Modus</i>.
/// </summary>
/// <param name="source">Die gewünschte Quelle.</param>
/// <param name="target">Die Netzwerkadresse, an die alle Daten versendet werden sollen.</param>
protected override void OnSetZappingSource(SourceSelection source, string target)
{
// Prepare operation
Start(device =>
{
// The next stream identifier to use
short nextStreamIdentifier = 0;
if (Streams.Count > 0)
{
nextStreamIdentifier = Streams.Values.First().Manager.NextStreamIdentifier;
}
// Activate the source group - will terminate all active streams
SelectGroup(device, source);
// Create optimizer and stream selector
var optimizer = new StreamSelectionOptimizer();
var streams =
new StreamSelection
{
AC3Tracks = { LanguageMode = LanguageModes.All },
MP2Tracks = { LanguageMode = LanguageModes.All },
SubTitles = { LanguageMode = LanguageModes.All },
ProgramGuide = true,
Videotext = true,
};
// Prepare to optimize
optimizer.Add(source, streams);
// See how many we are allowed to start
optimizer.Optimize();
// Create
var stream = new ActiveStream(Guid.Empty, source.Open(optimizer.GetStreams(0)), streams, null);
try
{
// Configure streaming target
stream.Manager.StreamingTarget = target;
// Attach next stream identifier
stream.Manager.NextStreamIdentifier = nextStreamIdentifier;
// See if we have to connect an optimizer for restarts
if (device.HasConsumerRestriction)
{
stream.EnableOptimizer(source);
}
// Try to start
stream.Refresh(m_RetestWatchDogInterval);
// Load
Streams.Add(stream.SourceKey, stream);
}
catch
{
// Cleanup
stream.Dispose();
// Forward
throw;
}
// Report state
return(CreateState(device));
});
}
