private void FlangerEffectWorkHandler(object sender, DoWorkEventArgs e)
{
List <object> passedParams = e.Argument as List <object>;
int effectRate = (int)passedParams[0];
int maxD = (int)passedParams[1];
int minD = (int)passedParams[2];
double fwv = (double)passedParams[3];
double step = (double)passedParams[4];
double fbv = (double)passedParams[5];
audioItem = AudioItemManager.GetAudioItem();
if (audioItem != null)
{
SetMaxProgressBar();
float[] samplesToProcess;
long beginIndex, endIndex;
int seconds, miliseconds, minutes;
int elapsedTime = 0;
int fullTime = 0;
SetDataForProcessing(out samplesToProcess, out minutes, out beginIndex, out endIndex, out seconds, out miliseconds);
AudioFlangerEffect.FlangerInit((short)effectRate, 16000, (short)maxD, (short)minD, fwv, step, fbv);
if (threadsValue > 1)
{
samplesCountForThreads = (int)((endIndex - beginIndex) / threadsValue);
samplesThreadToProcess = new int[threadsValue];
for (int i = 0; i < threadsValue; i++)
{
samplesThreadToProcess[i] = (int)beginIndex + (samplesCountForThreads * i);
}
samplesThreadToProcess[threadsValue - 1] = (int)endIndex - 1;
for (int x = 0; x < threadsValue - 1; x++)
{
int startIndex, stopIndex;
startIndex = samplesThreadToProcess[x];
stopIndex = samplesThreadToProcess[x + 1];
threads.Add(new Thread(() =>
{
for (int i = startIndex; i < stopIndex + 1; i++)
{
samplesToProcess[i] = AudioFlangerEffect.FlangerProcess(samplesToProcess[i], ref elapsedTime);
AudioFlangerEffect.FlangerSweep();
fullTime += elapsedTime;
}
}));
}
for (int i = 0; i < threadsValue - 1; i++)
{
threads[i].Start();
threads[i].Join();
var first = i;
var range = threadsValue - 1;
var z = (double)first / range;
worker.ReportProgress((int)(z * 100));
}
}
else
{
for (long i = beginIndex; i < endIndex; ++i)
{
samplesToProcess[i] = AudioFlangerEffect.FlangerProcess(samplesToProcess[i], ref elapsedTime);
AudioFlangerEffect.FlangerSweep();
if (i % 8000 == 0 && i != 0)
{
var first = i - beginIndex;
var range = endIndex - beginIndex;
var x = (double)first / range;
worker.ReportProgress((int)(x * 100));
System.Threading.Thread.Sleep(50);
}
fullTime += elapsedTime;
}
}
ResetProgressBar();
audioItem.ProcessedAudioBuffer = samplesToProcess;
AudioItemManager.SetAudioItem(audioItem);
var milisecondsTime = (double)fullTime / 1000;
e.Result = "Selection : " + minutes + ":" + seconds + ":" + miliseconds + " - " + AudioItemManager.Instance.GetEndSpan().Minutes.ToString() + ":" + AudioItemManager.Instance.GetEndSpan().Seconds.ToString() + ":" + AudioItemManager.Instance.GetEndSpan().Milliseconds.ToString()
+ " " + " -> Processed Flanger effect on audio sample!" + "\nProcessing range length: " + (endIndex - beginIndex).ToString() +
"\n" + dllType.ToString() + " library time elapsed: " + milisecondsTime.ToString() + " msec" + "\nThreads count: " + threadsValue.ToString();
}
else
{
e.Result = "Audio not loaded!";
}
}
public void PorcessSample(object sampleToProcess, ref int timeElapsed)
{
AudioFlangerEffect.FlangerProcess((float)sampleToProcess, ref timeElapsed);
AudioFlangerEffect.FlangerSweep();
}