void EngineFilter::process(CSAMPLE* pInOut, const int iBufferSize)
{
int i;
for(i = 0; i < iBufferSize; i += 2)
{
pInOut[i] = (CSAMPLE) processSample(fbuf1, (double) pInOut[i]);
pInOut[i + 1] = (CSAMPLE) processSample(fbuf2, (double) pInOut[i + 1]);
}
}
void processAudio(AudioBuffer &buffer){
float gain = getParameterValue(PARAMETER_A);
gain = gain*gain*2.0;
float iterations = getParameterValue(PARAMETER_B);
float r = getParameterValue(PARAMETER_C)*(maxR-minR) + minR;
iterations = iterations*iterations*maxI;
int size = buffer.getSize();
FloatArray left = buffer.getSamples(LEFT_CHANNEL);
FloatArray right = buffer.getSamples(RIGHT_CHANNEL);
float wet = getParameterValue(PARAMETER_D);
for(int i=0; i<size; i++){
left[i] = processSample(gain*left[i], iterations, r) * wet + left[i]*(1-wet);
right[i] = processSample(gain*right[i], iterations, r) * wet + right[i]*(1-wet);
}
}
//--------------------------------------------------------------
void testApp::draw(){
unsigned long start = ofGetElapsedTimeMillis();
bool isButtonPressed = (ard.getDigital(2) == ARD_HIGH);
if (!wasButtonPressed && isButtonPressed) {
cout << "aaa\n";
waitForAction();
beginCapture();
}
if (isCapturing) {
int x = ard.getAnalog(0);
int y = ard.getAnalog(1);
int z = ard.getAnalog(2);
processSample(x, y, z);
}
wasButtonPressed = isButtonPressed;
unsigned long elapsedTime = ofGetElapsedTimeMillis() - start;
if (elapsedTime < samplingInterval) {
delay(samplingInterval - elapsedTime);
}
}
void processAudio(AudioBuffer &buffer){
prepare();
int size = buffer.getSize();
for (int ch = 0; ch<buffer.getChannels(); ++ch) {
float* buf = buffer.getSamples(ch);
for(int i = 0; i < size; ++i) buf[i] = processSample(buf[i]);
}
}
void CDMRDMORX::samples(const q15_t* samples, const uint16_t* rssi, uint8_t length)
{
bool dcd = false;
for (uint8_t i = 0U; i < length; i++)
dcd = processSample(samples[i], rssi[i]);
io.setDecode(dcd);
}
void Train(const vector<TrainingSample> &samples, float learnRate) {
for (const auto &sample : samples) {
processSample(sample);
}
float normScale = 1.0f / samples.size();
for (auto& layer : layers) {
if (layer.type != NeuronType::INPUT) {
for_each(layer.neurons, [=] (sptr<Neuron> neuron) {
neuron->UpdateWeights(normScale, learnRate);
});
}
}
}
int dtObstacleAvoidanceQuery::sampleVelocityGrid(const float* pos, const float rad, const float vmax,
const float* vel, const float* dvel, float* nvel,
const dtObstacleAvoidanceParams* params,
dtObstacleAvoidanceDebugData* debug)
{
prepare(pos, dvel);
memcpy(&m_params, params, sizeof(dtObstacleAvoidanceParams));
m_invHorizTime = 1.0f / m_params.horizTime;
m_vmax = vmax;
m_invVmax = vmax > 0 ? 1.0f / vmax : FLT_MAX;
dtVset(nvel, 0,0,0);
if (debug)
debug->reset();
const float cvx = dvel[0] * m_params.velBias;
const float cvz = dvel[2] * m_params.velBias;
const float cs = vmax * 2 * (1 - m_params.velBias) / (float)(m_params.gridSize-1);
const float half = (m_params.gridSize-1)*cs*0.5f;
float minPenalty = FLT_MAX;
int ns = 0;
for (int y = 0; y < m_params.gridSize; ++y)
{
for (int x = 0; x < m_params.gridSize; ++x)
{
float vcand[3];
vcand[0] = cvx + x*cs - half;
vcand[1] = 0;
vcand[2] = cvz + y*cs - half;
if (dtSqr(vcand[0])+dtSqr(vcand[2]) > dtSqr(vmax+cs/2)) continue;
const float penalty = processSample(vcand, cs, pos,rad,vel,dvel, minPenalty, debug);
ns++;
if (penalty < minPenalty)
{
minPenalty = penalty;
dtVcopy(nvel, vcand);
}
}
}
return ns;
}
void UniformResamplingRecursiveMISBPTRenderer::processTile(uint32_t threadID, uint32_t tileID, const Vec4u& viewport) const {
auto spp = getSppCount();
TileProcessingRenderer::processTilePixels(viewport, [&](uint32_t x, uint32_t y) {
auto pixelID = getPixelIndex(x, y);
// Add a new sample to the pixel
for(auto i = 0u; i <= getFramebuffer().getChannelCount(); ++i) {
accumulate(i, pixelID, Vec4f(0, 0, 0, 1));
}
// Process each sample
for(auto sampleID = 0u; sampleID < spp; ++sampleID) {
processSample(threadID, tileID, pixelID, sampleID, x, y);
}
});
// Compute contributions for 1-length eye paths (connection to sensor)
connectLightVerticesToSensor(threadID, tileID, viewport);
}
UtlBoolean MprSimpleDtmfDetector::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
// Don't process frame if disabled
if (!isEnabled)
{
return TRUE;
}
// Check input buffer
assert(inBufsSize == 1);
if(!inBufs[0].isValid())
{
return TRUE;
}
// Get samples from buffer
const MpAudioSample* input = ((MpAudioBufPtr)inBufs[0])->getSamplesPtr();
int numSamples = ((MpAudioBufPtr)inBufs[0])->getSamplesNumber();
for (int i = 0; i < numSamples; i++)
{
UtlBoolean bCheckResult = processSample(input[i]);
if (bCheckResult)
{
if (shouldSendNotification())
{
notify(MP_RES_DTMF_INBAND_NOTIFICATION, m_currentDtmfDigit);
}
}
}
return TRUE;
}
void dtObstacleAvoidanceQuery::sampleVelocityGrid(const float* pos, const float rad, const float vmax,
const float* vel, const float* dvel,
float* nvel, const int gsize,
dtObstacleAvoidanceDebugData* debug)
{
prepare(pos, dvel);
dtVset(nvel, 0,0,0);
if (debug)
debug->reset();
const float cvx = dvel[0] * m_velBias;
const float cvz = dvel[2] * m_velBias;
const float cs = vmax * 2 * (1 - m_velBias) / (float)(gsize-1);
const float half = (gsize-1)*cs*0.5f;
float minPenalty = FLT_MAX;
for (int y = 0; y < gsize; ++y)
{
for (int x = 0; x < gsize; ++x)
{
float vcand[3];
vcand[0] = cvx + x*cs - half;
vcand[1] = 0;
vcand[2] = cvz + y*cs - half;
if (dtSqr(vcand[0])+dtSqr(vcand[2]) > dtSqr(vmax+cs/2)) continue;
const float penalty = processSample(vcand, cs, pos,rad,vmax,vel,dvel, debug);
if (penalty < minPenalty)
{
minPenalty = penalty;
dtVcopy(nvel, vcand);
}
}
}
}
void HexGrid::addPoint(Point p)
{
if (m_width < 0)
{
m_sample.push_back(p);
if (m_sample.size() >= m_maxSample)
processSample();
return;
}
Hexagon *h = findHexagon(p);
h->increment();
if (!h->dense())
{
if (dense(h))
{
h->setDense();
m_miny = std::min(m_miny, h->y() - 1);
if (h->possibleRoot())
m_pos_roots.insert(h);
markNeighborBelow(h);
}
}
}
int dtObstacleAvoidanceQuery::sampleVelocityAdaptive(const float* pos, const float rad, const float vmax,
const float* vel, const float* dvel, float* nvel,
const dtObstacleAvoidanceParams* params,
dtObstacleAvoidanceDebugData* debug)
{
prepare(pos, dvel);
memcpy(&m_params, params, sizeof(dtObstacleAvoidanceParams));
m_invHorizTime = 1.0f / m_params.horizTime;
m_vmax = vmax;
m_invVmax = vmax > 0 ? 1.0f / vmax : FLT_MAX;
dtVset(nvel, 0,0,0);
if (debug)
debug->reset();
// Build sampling pattern aligned to desired velocity.
float pat[(DT_MAX_PATTERN_DIVS*DT_MAX_PATTERN_RINGS+1)*2];
int npat = 0;
const int ndivs = (int)m_params.adaptiveDivs;
const int nrings= (int)m_params.adaptiveRings;
const int depth = (int)m_params.adaptiveDepth;
const int nd = dtClamp(ndivs, 1, DT_MAX_PATTERN_DIVS);
const int nr = dtClamp(nrings, 1, DT_MAX_PATTERN_RINGS);
//const int nd2 = nd / 2;
const float da = (1.0f/nd) * DT_PI*2;
const float ca = cosf(da);
const float sa = sinf(da);
// desired direction
float ddir[6];
dtVcopy(ddir, dvel);
dtNormalize2D(ddir);
dtRorate2D (ddir+3, ddir, da*0.5f); // rotated by da/2
// Always add sample at zero
pat[npat*2+0] = 0;
pat[npat*2+1] = 0;
npat++;
for (int j = 0; j < nr; ++j)
{
const float r = (float)(nr-j)/(float)nr;
pat[npat*2+0] = ddir[(j%1)*3] * r;
pat[npat*2+1] = ddir[(j%1)*3+2] * r;
float* last1 = pat + npat*2;
float* last2 = last1;
npat++;
for (int i = 1; i < nd-1; i+=2)
{
// get next point on the "right" (rotate CW)
pat[npat*2+0] = last1[0]*ca + last1[1]*sa;
pat[npat*2+1] = -last1[0]*sa + last1[1]*ca;
// get next point on the "left" (rotate CCW)
pat[npat*2+2] = last2[0]*ca - last2[1]*sa;
pat[npat*2+3] = last2[0]*sa + last2[1]*ca;
last1 = pat + npat*2;
last2 = last1 + 2;
npat += 2;
}
if ((nd&1) == 0)
{
pat[npat*2+2] = last2[0]*ca - last2[1]*sa;
pat[npat*2+3] = last2[0]*sa + last2[1]*ca;
npat++;
}
}
// Start sampling.
float cr = vmax * (1.0f - m_params.velBias);
float res[3];
dtVset(res, dvel[0] * m_params.velBias, 0, dvel[2] * m_params.velBias);
int ns = 0;
for (int k = 0; k < depth; ++k)
{
float minPenalty = FLT_MAX;
float bvel[3];
dtVset(bvel, 0,0,0);
for (int i = 0; i < npat; ++i)
{
float vcand[3];
vcand[0] = res[0] + pat[i*2+0]*cr;
vcand[1] = 0;
vcand[2] = res[2] + pat[i*2+1]*cr;
if (dtSqr(vcand[0])+dtSqr(vcand[2]) > dtSqr(vmax+0.001f)) continue;
const float penalty = processSample(vcand,cr/10, pos,rad,vel,dvel, minPenalty, debug);
ns++;
if (penalty < minPenalty)
{
minPenalty = penalty;
dtVcopy(bvel, vcand);
}
}
dtVcopy(res, bvel);
cr *= 0.5f;
}
dtVcopy(nvel, res);
return ns;
}
void dtObstacleAvoidanceQuery::sampleVelocityAdaptive(const float* pos, const float rad, const float vmax,
const float* vel, const float* dvel, float* nvel,
const int ndivs, const int nrings, const int depth,
dtObstacleAvoidanceDebugData* debug)
{
prepare(pos, dvel);
dtVset(nvel, 0,0,0);
if (debug)
debug->reset();
// Build sampling pattern aligned to desired velocity.
static const int MAX_PATTERN_DIVS = 32;
static const int MAX_PATTERN_RINGS = 4;
float pat[(MAX_PATTERN_DIVS*MAX_PATTERN_RINGS+1)*2];
int npat = 0;
const int nd = dtClamp(ndivs, 1, MAX_PATTERN_DIVS);
const int nr = dtClamp(nrings, 1, MAX_PATTERN_RINGS);
const float da = (1.0f/nd) * DT_PI*2;
const float dang = atan2f(dvel[2], dvel[0]);
// Always add sample at zero
pat[npat*2+0] = 0;
pat[npat*2+1] = 0;
npat++;
for (int j = 0; j < nr; ++j)
{
const float rad = (float)(nr-j)/(float)nr;
float a = dang + (j&1)*0.5f*da;
for (int i = 0; i < nd; ++i)
{
pat[npat*2+0] = cosf(a)*rad;
pat[npat*2+1] = sinf(a)*rad;
npat++;
a += da;
}
}
// Start sampling.
float cr = vmax * (1.0f-m_velBias);
float res[3];
dtVset(res, dvel[0] * m_velBias, 0, dvel[2] * m_velBias);
for (int k = 0; k < depth; ++k)
{
float minPenalty = FLT_MAX;
float bvel[3];
dtVset(bvel, 0,0,0);
for (int i = 0; i < npat; ++i)
{
float vcand[3];
vcand[0] = res[0] + pat[i*2+0]*cr;
vcand[1] = 0;
vcand[2] = res[2] + pat[i*2+1]*cr;
if (dtSqr(vcand[0])+dtSqr(vcand[2]) > dtSqr(vmax+0.001f)) continue;
const float penalty = processSample(vcand,cr/10, pos,rad,vmax,vel,dvel, debug);
if (penalty < minPenalty)
{
minPenalty = penalty;
dtVcopy(bvel, vcand);
}
}
dtVcopy(res, bvel);
cr *= 0.5f;
}
dtVcopy(nvel, res);
}
int dtObstacleAvoidanceQuery::sampleVelocityAdaptive(const float* pos, const float rad, const float vmax,
const float* vel, const float* dvel, float* nvel,
const dtObstacleAvoidanceParams* params,
dtObstacleAvoidanceDebugData* debug)
{
prepare(pos, dvel);
memcpy(&m_params, params, sizeof(dtObstacleAvoidanceParams));
m_invHorizTime = 1.0f / m_params.horizTime;
m_vmax = vmax;
m_invVmax = 1.0f / vmax;
dtVset(nvel, 0,0,0);
if (debug)
debug->reset();
// Build sampling pattern aligned to desired velocity.
float pat[(DT_MAX_PATTERN_DIVS*DT_MAX_PATTERN_RINGS+1)*2];
int npat = 0;
const int ndivs = (int)m_params.adaptiveDivs;
const int nrings= (int)m_params.adaptiveRings;
const int depth = (int)m_params.adaptiveDepth;
const int nd = dtClamp(ndivs, 1, DT_MAX_PATTERN_DIVS);
const int nr = dtClamp(nrings, 1, DT_MAX_PATTERN_RINGS);
const float da = (1.0f/nd) * DT_PI*2;
const float dang = atan2f(dvel[2], dvel[0]);
// Always add sample at zero
pat[npat*2+0] = 0;
pat[npat*2+1] = 0;
npat++;
for (int j = 0; j < nr; ++j)
{
const float r = (float)(nr-j)/(float)nr;
float a = dang + (j&1)*0.5f*da;
for (int i = 0; i < nd; ++i)
{
pat[npat*2+0] = cosf(a)*r;
pat[npat*2+1] = sinf(a)*r;
npat++;
a += da;
}
}
// Start sampling.
float cr = vmax * (1.0f - m_params.velBias);
float res[3];
dtVset(res, dvel[0] * m_params.velBias, 0, dvel[2] * m_params.velBias);
int ns = 0;
for (int k = 0; k < depth; ++k)
{
float minPenalty = FLT_MAX;
float bvel[3];
dtVset(bvel, 0,0,0);
for (int i = 0; i < npat; ++i)
{
float vcand[3];
vcand[0] = res[0] + pat[i*2+0]*cr;
vcand[1] = 0;
vcand[2] = res[2] + pat[i*2+1]*cr;
if (dtSqr(vcand[0])+dtSqr(vcand[2]) > dtSqr(vmax+0.001f)) continue;
const float penalty = processSample(vcand,cr/10, pos,rad,vel,dvel, debug);
ns++;
if (penalty < minPenalty)
{
minPenalty = penalty;
dtVcopy(bvel, vcand);
}
}
dtVcopy(res, bvel);
cr *= 0.5f;
}
dtVcopy(nvel, res);
return ns;
}
void PhaserEffect::processChannel(const ChannelHandle& handle,
PhaserGroupState* pState,
const CSAMPLE* pInput, CSAMPLE* pOutput,
const mixxx::EngineParameters& bufferParameters,
const EffectEnableState enableState,
const GroupFeatureState& groupFeatures,
const EffectChainMixMode mixMode) {
Q_UNUSED(handle);
Q_UNUSED(mixMode);
if (enableState == EffectEnableState::Enabling) {
pState->clear();
}
CSAMPLE depth = 0;
if (enableState != EffectEnableState::Disabling) {
depth = m_pDepthParameter->value();
}
double periodParameter = m_pLFOPeriodParameter->value();
double periodSamples;
if (groupFeatures.has_beat_length_sec) {
// periodParameter is a number of beats
periodParameter = std::max(roundToFraction(periodParameter, 2.0), 1/4.0);
if (m_pTripletParameter->toBool()) {
periodParameter /= 3.0;
}
periodSamples = periodParameter * groupFeatures.beat_length_sec * bufferParameters.sampleRate();
} else {
// periodParameter is a number of seconds
periodSamples = std::max(periodParameter, 1/4.0) * bufferParameters.sampleRate();
}
// freqSkip is used to calculate the phase independently for each channel,
// so do not multiply periodSamples by the number of channels.
CSAMPLE freqSkip = 1.0 / periodSamples * 2.0 * M_PI;
CSAMPLE feedback = m_pFeedbackParameter->value();
CSAMPLE range = m_pRangeParameter->value();
int stages = 2 * m_pStagesParameter->value();
CSAMPLE* oldInLeft = pState->oldInLeft;
CSAMPLE* oldOutLeft = pState->oldOutLeft;
CSAMPLE* oldInRight = pState->oldInRight;
CSAMPLE* oldOutRight = pState->oldOutRight;
// Using two sets of coefficients for left and right channel
CSAMPLE filterCoefLeft = 0;
CSAMPLE filterCoefRight = 0;
CSAMPLE left = 0, right = 0;
CSAMPLE_GAIN oldDepth = pState->oldDepth;
const CSAMPLE_GAIN depthDelta = (depth - oldDepth)
/ bufferParameters.framesPerBuffer();
const CSAMPLE_GAIN depthStart = oldDepth + depthDelta;
int stereoCheck = m_pStereoParameter->value();
int counter = 0;
for (unsigned int i = 0;
i < bufferParameters.samplesPerBuffer();
i += bufferParameters.channelCount()) {
left = pInput[i] + tanh(left * feedback);
right = pInput[i + 1] + tanh(right * feedback);
// For stereo enabled, the channels are out of phase
pState->leftPhase = fmodf(pState->leftPhase + freqSkip, 2.0 * M_PI);
pState->rightPhase = fmodf(pState->rightPhase + freqSkip + M_PI * stereoCheck, 2.0 * M_PI);
// Updating filter coefficients once every 'updateCoef' samples to avoid
// extra computing
if ((counter++) % updateCoef == 0) {
CSAMPLE delayLeft = 0.5 + 0.5 * sin(pState->leftPhase);
CSAMPLE delayRight = 0.5 + 0.5 * sin(pState->rightPhase);
// Coefficient computing based on the following:
// https://ccrma.stanford.edu/~jos/pasp/Classic_Virtual_Analog_Phase.html
CSAMPLE wLeft = range * delayLeft;
CSAMPLE wRight = range * delayRight;
CSAMPLE tanwLeft = tanh(wLeft / 2);
CSAMPLE tanwRight = tanh(wRight / 2);
filterCoefLeft = (1.0 - tanwLeft) / (1.0 + tanwLeft);
filterCoefRight = (1.0 - tanwRight) / (1.0 + tanwRight);
}
left = processSample(left, oldInLeft, oldOutLeft, filterCoefLeft, stages);
right = processSample(right, oldInRight, oldOutRight, filterCoefRight, stages);
const CSAMPLE_GAIN depth = depthStart + depthDelta * (i / bufferParameters.channelCount());
// Computing output combining the original and processed sample
pOutput[i] = pInput[i] * (1.0 - 0.5 * depth) + left * depth * 0.5;
pOutput[i + 1] = pInput[i + 1] * (1.0 - 0.5 * depth) + right * depth * 0.5;
}
pState->oldDepth = depth;
}
void processTile(uint32_t threadID, uint32_t tileID, const Vec4u& viewport) const override {
processTileSamples(viewport, [this, threadID](uint32_t x, uint32_t y, uint32_t pixelID, uint32_t sampleID) {
processSample(threadID, pixelID, sampleID, x, y);
});
}
bool SensorsProcessor::
parseString(const QString *str)
{
// check if and which sensor we have (S10 - gyro, S11 - acc, S12 - mag)
auto s = str->left(3);
if (s != "-S1") return false;
// extract the type of data
QStringRef sensor_type_str(str, 3, 1);
auto sensor_type = sensor_type_str.toInt();
// retrieve the data
auto data = str->right(str->length() - 5);
// parse the response into corresponding structs
// one response per sensor
IMUEvent *se = new IMUEvent;
QStringList axesVals = data.split(" ");
int axisIdx = 0;
foreach(const QString axisEntry, axesVals) {
switch(sensor_type) {
case 0:
se->g[axisIdx]= decodeSensorVal(axisEntry);
break;
case 1:
se->a[axisIdx]= decodeSensorVal(axisEntry);
break;
case 2:
se->m[axisIdx]= decodeSensorVal(axisEntry);
break;
}
if (++axisIdx > 2) break;
}
processSample(se);
delete se;
/*
// check which sensor we have (S10 - gyro, S11 - acc, S12 - mag)
short seIdx = str->contains("-S10", Qt::CaseInsensitive)?0:(str->contains("-S11", Qt::CaseInsensitive)?1:2);
// extract the content of the robot stream
QStringList rawData = str->split(QRegularExpression("-S1\\d\\s"), QString::SkipEmptyParts);
foreach(const QString &sensorEntry, rawData){
QStringList axesVals = sensorEntry.split(" ");
axisIdx = 0;
foreach(const QString axisEntry, axesVals){
switch(sensor_type){
case 0:
se->g[axisIdx]= decodeSensorVal(axisEntry);
break;
case 1:
se->a[axisIdx]= decodeSensorVal(axisEntry);
break;
case 2:
se->m[axisIdx]= decodeSensorVal(axisEntry);
break;
}
if((axisIdx++)==2) break;
}
}
// ... and send the packed struct to update RPY
processSample(se);
delete se;
*/
return true;
}
float ToneFilter::processSample(float newX){
return processSample(newX, 0);
}