/// <summary>
/// Initialize a filter parameter handler for a track filter.
/// paramName should be the exact name of the property
/// to tweak. If player is null, the default player is used instead.
/// </summary>
public GATFilterParam( int trackNb, int slotNb, string paramName, GATPlayer player = null )
{
Type t;
GATTrack track;
if( player == null )
player = GATManager.DefaultPlayer;
track = player.GetTrack( trackNb );
if( track == null )
{
throw new GATException( "Track " + trackNb + " does not exist." );
}
Filter = track.FiltersHandler.GetFilterAtSlot( slotNb );
if( Filter == null )
{
throw new GATException( "No filter found in slot " + slotNb + " of track " + trackNb );
}
t = Filter.GetType();
_propInfo = t.GetProperty( paramName, BindingFlags.Public | BindingFlags.Instance );
if( _propInfo == null )
{
throw new GATException( "No such filter!" );
}
}
private void UpdateObservedStream()
{
IGATAudioThreadStream stream = null;
if (observeTrack)
{
GATPlayer player = observedAudioStreamComp as GATPlayer;
if (player == null)
{
Debug.LogWarning("Could not find Player to observe track " + observedAudioStreamComp.name);
return;
}
GATTrack track = player.GetTrack(observedChannel);
stream = (( IGATAudioThreadStreamOwner )track).GetAudioThreadStream(0);
}
else if (observedAudioStreamComp != null)
{
stream = observedAudioStreamComp as IGATAudioThreadStream;
if (stream == null)
{
IGATAudioThreadStreamOwner streamOwner;
streamOwner = observedAudioStreamComp as IGATAudioThreadStreamOwner;
if (streamOwner != null)
{
stream = streamOwner.GetAudioThreadStream(0);
}
if (stream == null)
{
Debug.LogWarning("Could not find IGATAudioThreadStream or IGATAudioThreadStreamOwner on GameObject " + observedAudioStreamComp.name);
observedAudioStreamComp = _cachedStreamComp;
return;
}
}
}
if (_observedStream != null)
{
_observedStream.RemoveAudioThreadStreamClient(this);
}
if (stream != null)
{
stream.AddAudioThreadStreamClient(this);
}
else
{
_dataIsUpdated = false;
_needsData = true;
HandleNoMoreData();
}
_observedStream = stream;
_cachedStreamComp = observedAudioStreamComp;
}
/// <summary>
/// Call from derived classes to attempt to
/// get a valid stream from the streamComponent and
/// store it in _stream.
/// </summary>
protected void GetStream()
{
if (streamComponent == null)
{
streamComponent = gameObject.GetComponent(typeof(IGATAudioThreadStreamOwner));
}
if (streamIsTrack)
{
GATPlayer player = streamComponent as GATPlayer;
if (player == null)
{
throw new GATException("Cannot find GATPlayer to observe track stream. ");
}
if (streamIndex >= player.NbOfTracks)
{
throw new GATException("Track does not exist!");
}
GATTrack track = player.GetTrack(streamIndex);
_stream = track.GetAudioThreadStream(0);
}
else
{
IGATAudioThreadStreamOwner owner = streamComponent as IGATAudioThreadStreamOwner;
_stream = owner.GetAudioThreadStream(streamIndex);
if (owner == null)
{
throw new GATException("Component is not a stream!");
}
if (streamIndex >= owner.NbOfStreams)
{
throw new GATException("Requested stream index does not exist.");
}
}
}
protected override void Start()
{
base.Start();
if (_stream == null)
{
this.enabled = false;
}
if (_stream.NbOfChannels != 1)
{
this.enabled = false;
throw new GATException("Only mono streams can be routed to a track. You may use GATAudioThreadStreamSplitter to split an interleaved stream in as many mono streams.");
}
GATTrack track = player.GetTrack(trackNumber);
_streamToTrack = new GATAudioThreadStreamToTrack(track, _stream, exclusive);
_streamToTrack.Start();
}