public void ShiftPitch(float[] inputBuff, float inputPitch, float targetPitch, float[] outputBuff, int nFrames)
{
UpdateSettings();
detectedPitch = inputPitch;
float shiftFactor = 1.0f;
if (this.settings.SnapMode)
{
if (inputPitch > 0)
{
shiftFactor = snapFactor(inputPitch);
shiftFactor += addVibrato(nFrames);
}
}
else
{
float midiPitch = targetPitch;
shiftFactor = 1.0f;
if (inputPitch > 0 && midiPitch > 0)
{
shiftFactor = midiPitch / inputPitch;
}
}
if (shiftFactor > 2.0)
{
shiftFactor = 2.0f;
}
if (shiftFactor < 0.5)
{
shiftFactor = 0.5f;
}
// fftFrameSize was nFrames but can't guarantee it is a power of 2
// 2048 works, let's try 1024
int fftFrameSize = 2048;
int osamp = 8; // 32 is best quality
SmbPitchShift.smbPitchShift(shiftFactor, nFrames, fftFrameSize, osamp, this.sampleRate, inputBuff, outputBuff);
//vibrato
//addVibrato(outputBuff, nFrames);
shiftedPitch = inputPitch * shiftFactor;
updateShifts(detectedPitch, shiftedPitch, this.currPitch);
}
