public double[] Process(int sampleCount)
{
if (stepsizeDirty)
{
UpdateStepsize();
}
if (wavetable == null)
{
for (var i = 0; i < sampleCount; i++)
{
OutputBuffer[i] = 0.0;
}
return(OutputBuffer);
}
for (var i = 0; i < sampleCount; i++)
{
double waveA = WavetableContext.Interpolate(wavetable[tableA][waveNumber], accumulator);
double waveB = WavetableContext.Interpolate(wavetable[tableB][waveNumber], accumulator);
var output = waveA * (1 - tableMix) + waveB * tableMix;
accumulator += stepsize;
if (accumulator > 1)
{
accumulator -= 1;
}
OutputBuffer[i] = output;
}
return(OutputBuffer);
}
public SynthController(double samplerate, int bufferSize)
{
Samplerate = samplerate;
this.bufferSize = bufferSize;
LowProfile.Fourier.Double.TransformNative.Setup();
WavetableContext.SetupWavetables();
dispatcher = new RealtimeDispatcher <Voice>(
4,
1000,
System.Threading.ThreadPriority.Highest,
x => x.Process(processSampleCount));
parameters = new ParameterMap();
triggerIndex = 1;
notes = new List <MidiNote>(64);
voices = new Voice[64];
WavetableContext.CalculateIndexes(Samplerate);
for (var i = 0; i < voices.Length; i++)
{
voices[i] = new Voice(Samplerate, bufferSize);
}
RefreshModuleTypes();
SetDefaults();
}
public double[] Process(int sampleCount)
{
if (incrementsDirty)
{
UpdateIncrements();
}
for (var i = 0; i < sampleCount; i++)
{
var sum = 0.0;
for (var j = 0; j < iterators.Length; j++)
{
var it = iterators[j];
var sample = WavetableContext.Interpolate(wavetable[waveNumber], it);
sum += sample;
it += increments[j];
if (it >= 1.0)
{
it -= 1.0;
}
iterators[j] = it;
}
output = (alpha - 1) * sum - alpha * output;
OutputBuffer[i] = output * 0.33;
}
return(OutputBuffer);
}
public MultiOsc(double samplerate, int bufferSize)
{
OutputBuffer = new double[bufferSize];
Samplerate = samplerate;
iterators = new double[9];
increments = new double[9];
incrementsDirty = true;
wavetable = WavetableContext.GetWavetable(Sawtooth.WavetableName)[0];
var rand = new Random();
for (int i = 0; i < iterators.Length; i++)
{
iterators[i] = rand.NextDouble();
}
}
public void SetParameter(OscParams parameter, object val)
{
switch (parameter)
{
case OscParams.Modulation:
modulation = (double)val;
break;
case OscParams.Keytrack:
keytrack = (bool)val;
break;
case OscParams.Note:
note = (int)val;
break;
case OscParams.Octave:
octave = (int)val;
break;
case OscParams.Semi:
semi = (int)val;
break;
case OscParams.Cent:
cent = (int)val;
break;
case OscParams.Position:
TablePosition = (double)val;
break;
case OscParams.Phase:
startPhase = (double)val;
break;
case OscParams.Wavetable:
wavetable = WavetableContext.GetWavetable((string)val);
break;
}
stepsizeDirty = true;
}
