IEnumerator StartAnalyze()
{
foreach (Analysis analysis in analyses)
{
analysis.Init(totalFrames);
}
beatTracker.Init(frameLength);
segmenter.Init();
int count = preAnalyze ? totalFrames : lead + analysisWidth;
float[] samples = new float[count * frameSpacing * channels];
audioClip.GetData(samples, 0);
analyze = new Thread(() => Analyze(samples));
analyze.Start();
while (analyze.IsAlive)
{
yield return(null);
}
if (_trackBeat)
{
beatTracker.FillStart();
}
if (lastFrame == totalFrames - 1)
{
OnAnalysisDone();
}
}
private IEnumerator AsyncAnalyze(int frames)
{
frames = Mathf.Clamp(frames, 0, totalFrames);
//AudioClip.GetData only works on the main thread
float[] s = new float[frames * frameSpacing * 2];
audioSource.clip.GetData(s, 0);
#if NETFX_CORE
IAsyncAction action = Windows.System.Threading.ThreadPool.RunAsync(workItem => BackGroundAnalyze(s));
while (action.Status == AsyncStatus.Started)
{
yield return(null);
}
#else
Thread analyzeThread = new Thread(BackGroundAnalyze);
analyzeThread.Start(s);
while (analyzeThread.IsAlive)
{
yield return(null);
}
#endif
//if a new song is queued at this point, stop
if (queueRoutine != null)
{
analyzeRoutine = null;
yield break;
}
_lastFrame = frames - 1;
if (calculateTempo)
{
beatTracker.FillStart();
}
if (lastFrame > totalFrames - 2)
{
EndOfAnalysis();
}
songLoaded = true;
analyzeRoutine = null;
InitializeEventProviders();
gameObject.SendMessage("OnReadyToPlay", SendMessageOptions.DontRequireReceiver);
}