void NFMDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)
{
Complex ci;
qint16 sample;
Real a, b, s, demod;
double meansqr = 1.0;
for(SampleVector::const_iterator it = begin; it < end; ++it) {
Complex c(it->real() / 32768.0, it->imag() / 32768.0);
c *= m_nco.nextIQ();
if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci)) {
s = ci.real() * ci.real() + ci.imag() * ci.imag();
meansqr += s;
m_movingAverage.feed(s);
if(m_movingAverage.average() >= m_squelchLevel)
m_squelchState = m_sampleRate / 50;
a = m_scale * m_this.real() * (m_last.imag() - ci.imag());
b = m_scale * m_this.imag() * (m_last.real() - ci.real());
m_last = m_this;
m_this = Complex(ci.real(), ci.imag());
demod = m_volume * m_lowpass.filter(b - a);
sample = demod * 30000;
// Display audio spectrum to 12kHz
if (++m_framedrop & 1)
m_sampleBuffer.push_back(Sample(sample, sample));
if(m_squelchState > 0)
m_squelchState--;
else
sample = 0;
{
m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample;
++m_audioBufferFill;
if(m_audioBufferFill >= m_audioBuffer.size()) {
uint res = m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 1);
if(res != m_audioBufferFill)
qDebug("lost %u samples", m_audioBufferFill - res);
m_audioBufferFill = 0;
}
}
m_sampleDistanceRemain += (Real)m_sampleRate / 48000.0;
}
}
if(m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 0) != m_audioBufferFill)
;//qDebug("lost samples");
m_audioBufferFill = 0;
if(m_sampleSink != NULL)
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
m_sampleBuffer.clear();
// TODO: correct levels
m_scale = ( end - begin) * m_sampleRate / 48000 / meansqr;
}
bool ScopeVis::triggerCondition(SampleVector::const_iterator& it)
{
Complex c(it->real()/32768.0f, it->imag()/32768.0f);
m_traceback.push_back(c); // store into trace memory FIFO
if (m_tracebackCount < m_traceback.size())
{ // increment count up to trace memory size
m_tracebackCount++;
}
if (m_triggerChannel[m_triggerIndex] == TriggerChannelI)
{
return c.real() > m_triggerLevel[m_triggerIndex];
}
else if (m_triggerChannel[m_triggerIndex] == TriggerChannelQ)
{
return c.imag() > m_triggerLevel[m_triggerIndex];
}
else if (m_triggerChannel[m_triggerIndex] == TriggerMagLin)
{
return abs(c) > m_triggerLevel[m_triggerIndex];
}
else if (m_triggerChannel[m_triggerIndex] == TriggerMagDb)
{
Real mult = (10.0f / log2f(10.0f));
Real v = c.real() * c.real() + c.imag() * c.imag();
return mult * log2f(v) > m_triggerLevel[m_triggerIndex];
}
else if (m_triggerChannel[m_triggerIndex] == TriggerPhase)
{
return arg(c) / M_PI > m_triggerLevel[m_triggerIndex];
}
else if (m_triggerChannel[m_triggerIndex] == TriggerDPhase)
{
Real curArg = arg(c) - m_prevArg;
m_prevArg = arg(c);
if (curArg < -M_PI) {
curArg += 2.0 * M_PI;
} else if (curArg > M_PI) {
curArg -= 2.0 * M_PI;
}
if (m_firstArg)
{
m_firstArg = false;
return false;
}
else
{
return curArg / M_PI > m_triggerLevel[m_triggerIndex];
}
}
else
{
return false;
}
}
void WFMDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)
{
qint16 sample;
Real x, y, demod;
for(SampleVector::const_iterator it = begin; it < end; ++it) {
x = it->real() * m_last.real() + it->imag() * m_last.imag();
y = it->real() * m_last.imag() - it->imag() * m_last.real();
m_last = Complex(it->real(), it->imag());
demod = atan2(y, x);
Complex e(demod, 0);
Complex c;
if(m_interpolator.interpolate(&m_sampleDistanceRemain, e, &c)) {
sample = (qint16)(c.real() * 100 * m_volume * m_volume);
m_sampleBuffer.push_back(Sample(sample, sample));
m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample;
++m_audioBufferFill;
if(m_audioBufferFill >= m_audioBuffer.size()) {
uint res = m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 1);
if(res != m_audioBufferFill)
qDebug("lost %u samples", m_audioBufferFill - res);
m_audioBufferFill = 0;
}
m_sampleDistanceRemain += (Real)m_sampleRate / 48000.0;
}
}
if(m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 0) != m_audioBufferFill)
qDebug("lost samples");
m_audioBufferFill = 0;
if(m_sampleSink != NULL)
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
m_sampleBuffer.clear();
}
void TCPSrc::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)
{
Complex ci;
cmplx* sideband;
Real l, r;
m_sampleBuffer.clear();
// Rtl-Sdr uses full 16-bit scale; FCDPP does not
int rescale = 30000 * (1 << m_boost);
for(SampleVector::const_iterator it = begin; it < end; ++it) {
Complex c(it->real() / 32768.0, it->imag() / 32768.0);
c *= m_nco.nextIQ();
if(m_interpolator.interpolate(&m_sampleDistanceRemain, c, &ci)) {
m_sampleBuffer.push_back(Sample(ci.real() * rescale, ci.imag() * rescale));
m_sampleDistanceRemain += m_inputSampleRate / m_outputSampleRate;
}
}
if((m_spectrum != NULL) && (m_spectrumEnabled))
m_spectrum->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), positiveOnly);
for(int i = 0; i < m_s16leSockets.count(); i++)
m_s16leSockets[i].socket->write((const char*)&m_sampleBuffer[0], m_sampleBuffer.size() * 4);
if((m_sampleFormat == FormatSSB) && (m_ssbSockets.count() > 0)) {
for(SampleVector::const_iterator it = m_sampleBuffer.begin(); it != m_sampleBuffer.end(); ++it) {
Complex cj(it->real() / 30000.0, it->imag() / 30000.0);
int n_out = TCPFilter->runSSB(cj, &sideband, true);
if (n_out) {
for (int i = 0; i < n_out; i+=2) {
l = (sideband[i].real() + sideband[i].imag()) * 0.7 * 32000.0;
r = (sideband[i+1].real() + sideband[i+1].imag()) * 0.7 * 32000.0;
m_sampleBufferSSB.push_back(Sample(l, r));
}
for(int i = 0; i < m_ssbSockets.count(); i++)
m_ssbSockets[i].socket->write((const char*)&m_sampleBufferSSB[0], n_out * 2);
m_sampleBufferSSB.clear();
}
}
}
if((m_sampleFormat == FormatNFM) && (m_ssbSockets.count() > 0)) {
for(SampleVector::const_iterator it = m_sampleBuffer.begin(); it != m_sampleBuffer.end(); ++it) {
Complex cj(it->real() / 30000.0, it->imag() / 30000.0);
// An FFT filter here is overkill, but was already set up for SSB
int n_out = TCPFilter->runFilt(cj, &sideband);
if (n_out) {
Real sum = 1.0;
for (int i = 0; i < n_out; i+=2) {
l = m_this.real() * (m_last.imag() - sideband[i].imag())
- m_this.imag() * (m_last.real() - sideband[i].real());
m_last = sideband[i];
r = m_last.real() * (m_this.imag() - sideband[i+1].imag())
- m_last.imag() * (m_this.real() - sideband[i+1].real());
m_this = sideband[i+1];
m_sampleBufferSSB.push_back(Sample(l * m_scale, r * m_scale));
sum += m_this.real() * m_this.real() + m_this.imag() * m_this.imag();
}
// TODO: correct levels
m_scale = 24000 * tcpFftLen / sum;
for(int i = 0; i < m_ssbSockets.count(); i++)
m_ssbSockets[i].socket->write((const char*)&m_sampleBufferSSB[0], n_out * 2);
m_sampleBufferSSB.clear();
}
}
}
}
void ScopeVis::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool firstOfBurst)
{
while(begin < end) {
if(m_triggerChannel == TriggerChannelI) {
if(m_triggerState == Untriggered) {
while(begin < end) {
if(begin->real() >= m_triggerLevelHigh) {
m_triggerState = Triggered;
break;
}
++begin;
}
}
if(m_triggerState == Triggered) {
int count = end - begin;
if(count > (int)(m_trace.size() - m_fill))
count = m_trace.size() - m_fill;
std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
for(int i = 0; i < count; ++i) {
*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
++begin;
}
m_fill += count;
if(m_fill >= m_trace.size()) {
m_glScope->newTrace(m_trace, m_sampleRate);
m_fill = 0;
m_triggerState = WaitForReset;
}
}
if(m_triggerState == WaitForReset) {
while(begin < end) {
if(begin->real() < m_triggerLevelLow) {
m_triggerState = Untriggered;
break;
}
++begin;
}
}
} else if(m_triggerChannel == TriggerChannelQ) {
if(m_triggerState == Untriggered) {
while(begin < end) {
if(begin->imag() >= m_triggerLevelHigh) {
m_triggerState = Triggered;
break;
}
++begin;
}
}
if(m_triggerState == Triggered) {
int count = end - begin;
if(count > (int)(m_trace.size() - m_fill))
count = m_trace.size() - m_fill;
std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
for(int i = 0; i < count; ++i) {
*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
++begin;
}
m_fill += count;
if(m_fill >= m_trace.size()) {
m_glScope->newTrace(m_trace, m_sampleRate);
m_fill = 0;
m_triggerState = WaitForReset;
}
}
if(m_triggerState == WaitForReset) {
while(begin < end) {
if(begin->imag() < m_triggerLevelLow) {
m_triggerState = Untriggered;
break;
}
++begin;
}
}
} else {
int count = end - begin;
if(count > (int)(m_trace.size() - m_fill))
count = m_trace.size() - m_fill;
std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
for(int i = 0; i < count; ++i) {
*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
++begin;
}
m_fill += count;
if(m_fill >= m_trace.size()) {
m_glScope->newTrace(m_trace, m_sampleRate);
m_fill = 0;
}
}
}
}
void DSDDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
Complex ci;
int samplesPerSymbol = m_dsdDecoder.getSamplesPerSymbol();
m_settingsMutex.lock();
m_scopeSampleBuffer.clear();
m_dsdDecoder.enableMbelib(!DSPEngine::instance()->hasDVSerialSupport()); // disable mbelib if DV serial support is present and activated else enable it
for (SampleVector::const_iterator it = begin; it != end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
qint16 sample, delayedSample;
Real magsq = ((ci.real()*ci.real() + ci.imag()*ci.imag())) / (1<<30);
m_movingAverage.feed(magsq);
m_magsqSum += magsq;
if (magsq > m_magsqPeak)
{
m_magsqPeak = magsq;
}
m_magsqCount++;
Real demod = 32768.0f * m_phaseDiscri.phaseDiscriminator(ci) * ((float) m_running.m_demodGain / 100.0f);
m_sampleCount++;
// AF processing
if (m_movingAverage.average() > m_squelchLevel)
{
if (m_squelchGate > 0)
{
if (m_squelchCount < m_squelchGate) {
m_squelchCount++;
}
m_squelchOpen = m_squelchCount == m_squelchGate;
}
else
{
m_squelchOpen = true;
}
}
else
{
m_squelchCount = 0;
m_squelchOpen = false;
}
if (m_squelchOpen)
{
sample = demod;
}
else
{
sample = 0;
}
m_dsdDecoder.pushSample(sample);
if (m_running.m_enableCosineFiltering) { // show actual input to FSK demod
sample = m_dsdDecoder.getFilteredSample();
}
if (m_sampleBufferIndex < (1<<17)) {
m_sampleBufferIndex++;
} else {
m_sampleBufferIndex = 0;
}
m_sampleBuffer[m_sampleBufferIndex] = sample;
if (m_sampleBufferIndex < samplesPerSymbol) {
delayedSample = m_sampleBuffer[(1<<17) - samplesPerSymbol + m_sampleBufferIndex]; // wrap
} else {
delayedSample = m_sampleBuffer[m_sampleBufferIndex - samplesPerSymbol];
}
if (m_running.m_syncOrConstellation)
{
Sample s(sample, m_dsdDecoder.getSymbolSyncSample());
m_scopeSampleBuffer.push_back(s);
}
else
{
Sample s(sample, delayedSample); // I=signal, Q=signal delayed by 20 samples (2400 baud: lowest rate)
m_scopeSampleBuffer.push_back(s);
}
if (DSPEngine::instance()->hasDVSerialSupport())
{
if ((m_running.m_slot1On) && m_dsdDecoder.mbeDVReady1())
{
if (!m_running.m_audioMute)
{
DSPEngine::instance()->pushMbeFrame(
m_dsdDecoder.getMbeDVFrame1(),
m_dsdDecoder.getMbeRateIndex(),
m_running.m_volume,
m_running.m_tdmaStereo ? 1 : 3, // left or both channels
&m_audioFifo1);
}
m_dsdDecoder.resetMbeDV1();
}
if ((m_running.m_slot2On) && m_dsdDecoder.mbeDVReady2())
{
if (!m_running.m_audioMute)
{
DSPEngine::instance()->pushMbeFrame(
m_dsdDecoder.getMbeDVFrame2(),
m_dsdDecoder.getMbeRateIndex(),
m_running.m_volume,
m_running.m_tdmaStereo ? 2 : 3, // right or both channels
&m_audioFifo2);
}
m_dsdDecoder.resetMbeDV2();
}
}
// if (DSPEngine::instance()->hasDVSerialSupport() && m_dsdDecoder.mbeDVReady1())
// {
// if (!m_running.m_audioMute)
// {
// DSPEngine::instance()->pushMbeFrame(m_dsdDecoder.getMbeDVFrame1(), m_dsdDecoder.getMbeRateIndex(), m_running.m_volume, &m_audioFifo1);
// }
//
// m_dsdDecoder.resetMbeDV1();
// }
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
if (!DSPEngine::instance()->hasDVSerialSupport())
{
if (m_running.m_slot1On)
{
int nbAudioSamples;
short *dsdAudio = m_dsdDecoder.getAudio1(nbAudioSamples);
if (nbAudioSamples > 0)
{
if (!m_running.m_audioMute) {
uint res = m_audioFifo1.write((const quint8*) dsdAudio, nbAudioSamples, 10);
}
m_dsdDecoder.resetAudio1();
}
}
if (m_running.m_slot2On)
{
int nbAudioSamples;
short *dsdAudio = m_dsdDecoder.getAudio2(nbAudioSamples);
if (nbAudioSamples > 0)
{
if (!m_running.m_audioMute) {
uint res = m_audioFifo2.write((const quint8*) dsdAudio, nbAudioSamples, 10);
}
m_dsdDecoder.resetAudio2();
}
}
// int nbAudioSamples;
// short *dsdAudio = m_dsdDecoder.getAudio1(nbAudioSamples);
//
// if (nbAudioSamples > 0)
// {
// if (!m_running.m_audioMute) {
// uint res = m_audioFifo1.write((const quint8*) dsdAudio, nbAudioSamples, 10);
// }
//
// m_dsdDecoder.resetAudio1();
// }
}
if ((m_scope != 0) && (m_scopeEnabled))
{
m_scope->feed(m_scopeSampleBuffer.begin(), m_scopeSampleBuffer.end(), true); // true = real samples for what it's worth
}
m_settingsMutex.unlock();
}
void NFMDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
Complex ci;
m_settingsMutex.lock();
for (SampleVector::const_iterator it = begin; it != end; ++it)
{
//Complex c(it->real() / 32768.0f, it->imag() / 32768.0f);
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
{
if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
qint16 sample;
m_AGC.feed(ci);
double magsqRaw = m_AGC.getMagSq();
Real magsq = magsqRaw / (1<<30);
m_movingAverage.feed(magsq);
m_magsqSum += magsq;
if (magsq > m_magsqPeak)
{
m_magsqPeak = magsq;
}
m_magsqCount++;
Real demod = m_phaseDiscri.phaseDiscriminator2(ci);
//m_m2Sample = m_m1Sample;
//m_m1Sample = ci;
m_sampleCount++;
// AF processing
if (m_movingAverage.average() > m_squelchLevel)
{
if (m_squelchCount < m_squelchGate)
{
m_squelchCount++;
}
}
else
{
m_squelchCount = 0;
}
//squelchOpen = (getMag() > m_squelchLevel);
m_squelchOpen = m_squelchCount == m_squelchGate; // wait for AGC to stabilize
/*
if (m_afSquelch.analyze(demod))
{
squelchOpen = m_afSquelch.evaluate();
}*/
if ((m_squelchOpen) && !m_running.m_audioMute)
//if (m_AGC.getAverage() > m_squelchLevel)
{
if (m_running.m_ctcssOn)
{
Real ctcss_sample = m_lowpass.filter(demod);
if ((m_sampleCount & 7) == 7) // decimate 48k -> 6k
{
if (m_ctcssDetector.analyze(&ctcss_sample))
{
int maxToneIndex;
if (m_ctcssDetector.getDetectedTone(maxToneIndex))
{
if (maxToneIndex+1 != m_ctcssIndex)
{
m_nfmDemodGUI->setCtcssFreq(m_ctcssDetector.getToneSet()[maxToneIndex]);
m_ctcssIndex = maxToneIndex+1;
}
}
else
{
if (m_ctcssIndex != 0)
{
m_nfmDemodGUI->setCtcssFreq(0);
m_ctcssIndex = 0;
}
}
}
}
}
if (m_running.m_ctcssOn && m_ctcssIndexSelected && (m_ctcssIndexSelected != m_ctcssIndex))
{
sample = 0;
}
else
{
demod = m_bandpass.filter(demod);
sample = demod * m_running.m_volume;
}
}
else
{
if (m_ctcssIndex != 0)
{
m_nfmDemodGUI->setCtcssFreq(0);
m_ctcssIndex = 0;
}
sample = 0;
}
m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 10);
if (res != m_audioBufferFill)
{
qDebug("NFMDemod::feed: %u/%u audio samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
}
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
}
if (m_audioBufferFill > 0)
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 10);
if (res != m_audioBufferFill)
{
qDebug("NFMDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
}
m_settingsMutex.unlock();
}
void DSDDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
Complex ci;
int samplesPerSymbol = m_dsdDecoder.getSamplesPerSymbol();
m_settingsMutex.lock();
m_scopeSampleBuffer.clear();
m_dsdDecoder.enableMbelib(!DSPEngine::instance()->hasDVSerialSupport()); // disable mbelib if DV serial support is present and activated else enable it
for (SampleVector::const_iterator it = begin; it != end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
FixReal sample, delayedSample;
qint16 sampleDSD;
Real re = ci.real() / SDR_RX_SCALED;
Real im = ci.imag() / SDR_RX_SCALED;
Real magsq = re*re + im*im;
m_movingAverage(magsq);
m_magsqSum += magsq;
if (magsq > m_magsqPeak)
{
m_magsqPeak = magsq;
}
m_magsqCount++;
Real demod = m_phaseDiscri.phaseDiscriminator(ci) * m_settings.m_demodGain; // [-1.0:1.0]
m_sampleCount++;
// AF processing
if (m_movingAverage.asDouble() > m_squelchLevel)
{
if (m_squelchGate > 0)
{
if (m_squelchCount < m_squelchGate*2) {
m_squelchCount++;
}
m_squelchDelayLine.write(demod);
m_squelchOpen = m_squelchCount > m_squelchGate;
}
else
{
m_squelchOpen = true;
}
}
else
{
if (m_squelchGate > 0)
{
if (m_squelchCount > 0) {
m_squelchCount--;
}
m_squelchDelayLine.write(0);
m_squelchOpen = m_squelchCount > m_squelchGate;
}
else
{
m_squelchOpen = false;
}
}
if (m_squelchOpen)
{
if (m_squelchGate > 0)
{
sampleDSD = m_squelchDelayLine.readBack(m_squelchGate) * 32768.0f; // DSD decoder takes int16 samples
sample = m_squelchDelayLine.readBack(m_squelchGate) * SDR_RX_SCALEF; // scale to sample size
}
else
{
sampleDSD = demod * 32768.0f; // DSD decoder takes int16 samples
sample = demod * SDR_RX_SCALEF; // scale to sample size
}
}
else
{
sampleDSD = 0;
sample = 0;
}
m_dsdDecoder.pushSample(sampleDSD);
if (m_settings.m_enableCosineFiltering) { // show actual input to FSK demod
sample = m_dsdDecoder.getFilteredSample() * m_scaleFromShort;
}
if (m_sampleBufferIndex < (1<<17)-1) {
m_sampleBufferIndex++;
} else {
m_sampleBufferIndex = 0;
}
m_sampleBuffer[m_sampleBufferIndex] = sample;
if (m_sampleBufferIndex < samplesPerSymbol) {
delayedSample = m_sampleBuffer[(1<<17) - samplesPerSymbol + m_sampleBufferIndex]; // wrap
} else {
delayedSample = m_sampleBuffer[m_sampleBufferIndex - samplesPerSymbol];
}
if (m_settings.m_syncOrConstellation)
{
Sample s(sample, m_dsdDecoder.getSymbolSyncSample() * m_scaleFromShort * 0.84);
m_scopeSampleBuffer.push_back(s);
}
else
{
Sample s(sample, delayedSample); // I=signal, Q=signal delayed by 20 samples (2400 baud: lowest rate)
m_scopeSampleBuffer.push_back(s);
}
if (DSPEngine::instance()->hasDVSerialSupport())
{
if ((m_settings.m_slot1On) && m_dsdDecoder.mbeDVReady1())
{
if (!m_settings.m_audioMute)
{
DSPEngine::instance()->pushMbeFrame(
m_dsdDecoder.getMbeDVFrame1(),
m_dsdDecoder.getMbeRateIndex(),
m_settings.m_volume * 10.0,
m_settings.m_tdmaStereo ? 1 : 3, // left or both channels
m_settings.m_highPassFilter,
m_audioSampleRate/8000, // upsample from native 8k
&m_audioFifo1);
}
m_dsdDecoder.resetMbeDV1();
}
if ((m_settings.m_slot2On) && m_dsdDecoder.mbeDVReady2())
{
if (!m_settings.m_audioMute)
{
DSPEngine::instance()->pushMbeFrame(
m_dsdDecoder.getMbeDVFrame2(),
m_dsdDecoder.getMbeRateIndex(),
m_settings.m_volume * 10.0,
m_settings.m_tdmaStereo ? 2 : 3, // right or both channels
m_settings.m_highPassFilter,
m_audioSampleRate/8000, // upsample from native 8k
&m_audioFifo2);
}
m_dsdDecoder.resetMbeDV2();
}
}
// if (DSPEngine::instance()->hasDVSerialSupport() && m_dsdDecoder.mbeDVReady1())
// {
// if (!m_settings.m_audioMute)
// {
// DSPEngine::instance()->pushMbeFrame(m_dsdDecoder.getMbeDVFrame1(), m_dsdDecoder.getMbeRateIndex(), m_settings.m_volume, &m_audioFifo1);
// }
//
// m_dsdDecoder.resetMbeDV1();
// }
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
if (!DSPEngine::instance()->hasDVSerialSupport())
{
if (m_settings.m_slot1On)
{
int nbAudioSamples;
short *dsdAudio = m_dsdDecoder.getAudio1(nbAudioSamples);
if (nbAudioSamples > 0)
{
if (!m_settings.m_audioMute) {
m_audioFifo1.write((const quint8*) dsdAudio, nbAudioSamples);
}
m_dsdDecoder.resetAudio1();
}
}
if (m_settings.m_slot2On)
{
int nbAudioSamples;
short *dsdAudio = m_dsdDecoder.getAudio2(nbAudioSamples);
if (nbAudioSamples > 0)
{
if (!m_settings.m_audioMute) {
m_audioFifo2.write((const quint8*) dsdAudio, nbAudioSamples);
}
m_dsdDecoder.resetAudio2();
}
}
// int nbAudioSamples;
// short *dsdAudio = m_dsdDecoder.getAudio1(nbAudioSamples);
//
// if (nbAudioSamples > 0)
// {
// if (!m_settings.m_audioMute) {
// uint res = m_audioFifo1.write((const quint8*) dsdAudio, nbAudioSamples, 10);
// }
//
// m_dsdDecoder.resetAudio1();
// }
}
if ((m_scopeXY != 0) && (m_scopeEnabled))
{
m_scopeXY->feed(m_scopeSampleBuffer.begin(), m_scopeSampleBuffer.end(), true); // true = real samples for what it's worth
}
m_settingsMutex.unlock();
}