DroneBoxPatch()
: mRamp(0.1)
, mPrevCoarsePitch(-1.)
, mPrevFinePitch(-1.)
, mPrevDecay(-1.)
{
registerParameter(PARAMETER_A, "Coarse Pitch", "Coarse Pitch");
registerParameter(PARAMETER_B, "Fine Pitch", "Fine Pitch");
registerParameter(PARAMETER_C, "Decay", "Decay");
registerParameter(PARAMETER_D, "Mix", "Mix");
mOldValues[0] = 0.f;
mOldValues[1] = 0.f;
mOldValues[2] = 0.f;
mOldValues[3] = 0.f;
for (int c=0;c<NUM_COMBS;c++)
{
AudioBuffer* buffer = createMemoryBuffer(2, BUF_SIZE);
mCombs[c].setBuffer(buffer->getSamples(0), buffer->getSamples(1));
mCombs[c].setSampleRate(getSampleRate());
mCombs[c].clearBuffer();
}
mDCBlockerL.setSampleRate(getSampleRate());
mDCBlockerR.setSampleRate(getSampleRate());
}
void processAudio(AudioBuffer &buffer)
{
const int size = buffer.getSize();
const float coarsePitch = getRampedParameterValue(PARAMETER_A);
const float finePitch = getRampedParameterValue(PARAMETER_B);
const float decay = getRampedParameterValue(PARAMETER_C);
const float mix = getRampedParameterValue(PARAMETER_D);
if (coarsePitch != mPrevCoarsePitch || finePitch != mPrevFinePitch || decay != mPrevDecay)
{
const float freq = midi2CPS(MIN_PITCH + floorf(mPrevCoarsePitch * PITCH_RANGE) + finePitch);
for (int c = 0; c < NUM_COMBS; c++)
{
mCombs[c].setFreqCPS(freq * FREQ_RATIOS[c]);
mCombs[c].setDecayTimeMs(MIN_DECAY + (decay * DECAY_RANGE));
}
mPrevCoarsePitch = coarsePitch;
mPrevFinePitch = finePitch;
mPrevDecay = decay;
}
float* bufL = buffer.getSamples(0);
float* bufR = buffer.getSamples(1);
for(int i = 0; i < size; i++)
{
float ipsL = bufL[i];
float ipsR = bufR[i];
float opsL = 0.f;
float opsR = 0.f;
const float smoothMix = mMixSmoother.process(mix);
const float invSmoothMix = 1.f-smoothMix;
for (int c = 0; c < NUM_COMBS; c++)
{
mCombs[c].process(ipsL, ipsR, &opsL, &opsR);
}
bufL[i] = mDCBlockerL.process( ((opsL * 0.1f) * smoothMix) + (ipsL * invSmoothMix) );
bufR[i] = mDCBlockerR.process( ((opsR * 0.1f) * smoothMix) + (ipsR * invSmoothMix) );
}
}
void processAudio(AudioBuffer &buffer)
{
const int size = buffer.getSize();
const float coarsePitch = getRampedParameterValue(PARAMETER_A);
const float finePitch = getRampedParameterValue(PARAMETER_B);
const float decay = getRampedParameterValue(PARAMETER_C);
const float mix = getRampedParameterValue(PARAMETER_D);
if (coarsePitch != mPrevCoarsePitch || finePitch != mPrevFinePitch || decay != mPrevDecay)
{
const float freq = midi2CPS(MIN_PITCH + floor(mPrevCoarsePitch * PITCH_RANGE) + finePitch);
for (int c = 0; c < NUM_COMBS; c++)
{
mCombs[c].setFreqCPS(freq * FREQ_RATIOS[c]);
mCombs[c].setDecayTimeMs(MIN_DECAY + (decay * DECAY_RANGE));
}
mPrevCoarsePitch = coarsePitch;
mPrevFinePitch = finePitch;
mPrevDecay = decay;
}
for(int ch = 0; ch<buffer.getChannels(); ++ch)
{
float* buf = buffer.getSamples(ch);
for(int i = 0; i < size; i++)
{
float ips = buf[i];
float ops = 0.;
const float smoothMix = mMixSmoother.process(mix);
for (int c = 0; c < NUM_COMBS; c++)
{
ops += mCombs[c].process(ips);
}
buf[i] = mDCBlocker.process( ((ops * 0.1) * smoothMix) + (ips * (1.-smoothMix)) );
}
}
}