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;
}
public void Init(GATData isample, GATTrack track, OnShouldMixSample callback, float gain = 1f)
{
AudioData = isample;
_track = track;
_onShouldMixSample = callback;
_gain = gain;
IsFirstChunk = true;
_count = isample.Count;
_fadeStart = -1;
}
public void Clear()
{
AudioData.Release();
_onShouldMixSample = null;
IsLastChunk = false;
next = null;
AudioData = null;
shouldBeRemoved = false;
PanInfo = null;
NextIndex = 0;
_track = null;
}
/// <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();
}
/// <summary>
/// Removes and destroys a specific track
/// </summary>
public void DeleteTrack(GATTrack track)
{
int i;
int indexToRemove = -1;
for (i = 0; i < _tracks.Count; i++)
{
if (track == _tracks[i])
{
indexToRemove = i;
break;
}
}
if (indexToRemove == -1)
{
return;
}
_tracks.RemoveAt(indexToRemove);
if (Application.isPlaying)
{
Destroy(track);
}
else
{
DestroyImmediate(track);
}
if (_tracks.Count > indexToRemove)
{
for (i = indexToRemove; i < _tracks.Count; i++)
{
_tracks[i].TrackNbDidChange(i);
}
}
}
/// <summary>
/// Streaming to the specified track will not begin until Start() is called.
/// </summary>
public GATAudioThreadStreamToTrack( GATTrack track, IGATAudioThreadStream stream, bool exclusive )
{
_track = track;
_stream = stream;
_exclusive = exclusive;
}
/// <summary>
/// Streaming to the specified track will not begin until Start() is called.
/// </summary>
public GATAudioThreadStreamToTrack(GATTrack track, IGATAudioThreadStream stream, bool exclusive)
{
_track = track;
_stream = stream;
_exclusive = exclusive;
}