void processAudio(AudioBuffer &buffer) {
float delayTime, feedback, wetDry;
delayTime = getParameterValue(PARAMETER_A);
feedback = getParameterValue(PARAMETER_B);
wetDry = getParameterValue(PARAMETER_D);
int size = buffer.getSize();
int32_t newDelay;
if(abs(time - delayTime) > 0.01){
newDelay = delayTime * (delayBuffer.getSize()-1);
time = delayTime;
}else{
newDelay = delay;
}
float* x = buffer.getSamples(0);
float y;
for (int n = 0; n < size; n++){
// y = buf[i] + feedback * delayBuffer.read(delay);
// buf[i] = wetDry * y + (1.f - wetDry) * buf[i];
// delayBuffer.write(buf[i]);
if(newDelay - delay > 4){
y = getDelayAverage(delay-5, 5);
delay -= 5;
}else if(delay - newDelay > 4){
y = getDelayAverage(delay+5, 5);
delay += 5;
}else{
y = delayBuffer.read(delay);
}
x[n] = wetDry * y + (1.f - wetDry) * x[n]; // crossfade for wet/dry balance
delayBuffer.write(feedback * x[n]);
}
}
void printBuffer(CircularBuffer<BufferType> cb)
{
unsigned int i;
for(i=0; i< cb.getSize(); i++)
cout << cb.read(i) << ", ";
cout << "\n\n";
}
void processAudio(AudioBuffer &buffer){
float y[getBlockSize()];
setCoeffs(getLpFreq(), 0.8f);
float delayTime = getParameterValue(PARAMETER_A); // get delay time value
float feedback = getParameterValue(PARAMETER_B); // get feedback value
float wetDry = getParameterValue(PARAMETER_D); // get gain value
if(abs(time - delayTime) < 0.01)
delayTime = time;
else
time = delayTime;
float delaySamples = delayTime * (delayBuffer.getSize()-1);
int size = buffer.getSize();
float* x = buffer.getSamples(0);
process(size, x, y); // low pass filter for delay buffer
for(int n = 0; n < size; n++){
//linear interpolation for delayBuffer index
dSamples = olddelaySamples + (delaySamples - olddelaySamples) * n / size;
y[n] = y[n] + feedback * delayBuffer.read(dSamples);
x[n] = (1.f - wetDry) * x[n] + wetDry * y[n]; //crossfade for wet/dry balance
delayBuffer.write(x[n]);
}
olddelaySamples = delaySamples;
}
void
dump(CircularBuffer<unsigned>& cb)
{
std::cout << "Capacity: " << cb.getCapacity() << std::endl;
std::cout << "Size: " << cb.getSize() << std::endl;
for (unsigned i = 0; i < cb.getSize(); ++i)
std::cout << i << ' ' << cb(i) << std::endl;
}
int checkForSquelch(MidiMessage& message, CircularBuffer<MidiMessage>& memory,
int mintime, int maxtime, int curtime) {
int i;
if (memory.getSize() == 0) {
return 0;
}
for (i=0; i<memory.getSize(); i++) {
if ((curtime - (int)memory[i].time) < mintime) {
continue;
}
if ((curtime - (int)memory[i].time) > maxtime) {
break;
}
if ((memory[i].p0() == message.p0()) && (memory[i].p1() == message.p1())) {
return 1;
}
}
return 0;
}
int main (int argc, const char * argv[])
{
//Create a new circular buffer for unsigned integers
CircularBuffer< UINT > buffer;
//Resize the buffer
buffer.resize( 10 );
//Add some values to the buffer so we fill it
for(UINT i=0; i<buffer.getSize(); i++){
cout << "Adding " << i << " to buffer\n";
buffer.push_back( i );
//Print the values in the buffer
cout << "Values: \t\t";
for(UINT j=0; j<buffer.getSize(); j++){
cout << buffer[j] << "\t";
}cout << endl;
//Print the raw values in the buffer
cout << "RawValues: \t\t";
for(UINT j=0; j<buffer.getSize(); j++){
cout << buffer(j) << "\t";
}cout << endl;
}
//Get all the data in the buffer as a vector
vector<UINT> data = buffer.getDataAsVector();
cout << "Data: \t\t\t";
for(UINT j=0; j<data.size(); j++){
cout << data[j] << "\t";
}
cout << endl;
return EXIT_SUCCESS;
}
void processAudio(AudioBuffer &buffer){
int size = buffer.getSize();
unsigned int delaySamples;
rate = getParameterValue(PARAMETER_A) * 0.000005f; // flanger needs slow rate
depth = getParameterValue(PARAMETER_B);
feedback = getParameterValue(PARAMETER_C)* 0.707; // so we keep a -3dB summation of the delayed signal
for (int ch = 0; ch<buffer.getChannels(); ++ch) {
for (int i = 0 ; i < size; i++) {
float* buf = buffer.getSamples(ch);
delaySamples = (depth * modulate(rate)) * (delayBuffer.getSize()-1); // compute delay according to rate and depth
buf[i] += feedback * delayBuffer.read(delaySamples); // add scaled delayed signal to dry signal
delayBuffer.write(buf[i]); // update delay buffer
}
}
}
void processAudio(AudioBuffer &buffer)
{
float delayTime, feedback, dly;
delayTime = 0.05+0.95*getParameterValue(PARAMETER_A);
feedback = getParameterValue(PARAMETER_B);
int32_t newDelay;
newDelay = alpha*delayTime*(delayBuffer.getSize()-1) + (1-alpha)*delay; // Smoothing
dryWet = alpha*getParameterValue(PARAMETER_D) + (1-alpha)*dryWet; // Smoothing
float* x = buffer.getSamples(0);
int size = buffer.getSize();
for (int n = 0; n < size; n++)
{
dly = (delayBuffer.read(delay)*(size-1-n) + delayBuffer.read(newDelay)*n)/size;
delayBuffer.write(feedback * dly + x[n]);
x[n] = dly*dryWet + (1.f - dryWet) * x[n]; // dry/wet
}
delay=newDelay;
}
void processAudio(AudioBuffer &buffer) {
float feedback, wet, _delayTime, _tone, delaySamples;
_delayTime = getParameterValue(PARAMETER_A);
feedback = 2*getParameterValue(PARAMETER_B)+0.01;
_tone = getParameterValue(PARAMETER_C);
wet = getParameterValue(PARAMETER_D);
tone = 0.05*_tone + 0.95*tone;
tf.setTone(tone);
float* buf = buffer.getSamples(0);
for (int i = 0 ; i < buffer.getSize(); i++) {
delayTime = 0.01*_delayTime + 0.99*delayTime;
delaySamples = delayTime * (delayBuffer.getSize()-1);
buf[i] = dist(tf.processSample(buf[i] + (wet * delayBuffer.read(delaySamples))));
// delayBuffer.write(dist(tf.processSample(feedback * buf[i],0)));
delayBuffer.write(feedback * buf[i]);
}
}
void processAudio(AudioBuffer &buffer)
{
float delayTime, feedback, wetDry,drive;
delayTime = getParameterValue(PARAMETER_A);
feedback = getParameterValue(PARAMETER_B);
drive = getParameterValue(PARAMETER_C);
wetDry = getParameterValue(PARAMETER_D);
drive += 0.03;
drive *= 40;
int newDelay;
newDelay = delayTime * (delayBuffer.getSize()-1);
float* x = buffer.getSamples(0);
float y = 0;
int size = buffer.getSize();
for (int n = 0; n < size; n++) {
y = (delayBuffer.read(delay)*(size-1-n) + delayBuffer.read(newDelay)*n)/size + x[n];
y = nonLinear(y * 1.5);
delayBuffer.write(feedback * y);
y = (nonLinear(y * drive)) * 0.25;
x[n] = (y * (1 - wetDry)) + (x[n] * wetDry);
}
delay=newDelay;
}
