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UDPSink plugin: implemented SSB binaural

This commit is contained in:
f4exb 2017-08-19 09:28:50 +02:00
parent c934658cc0
commit 4e53552a99
1 changed files with 41 additions and 0 deletions
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41
plugins/channeltx/udpsink/udpsink.cpp
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@ -237,6 +237,47 @@ void UDPSink::modulateSample()
m_modSample.imag(0.0f);
}
}
else if ((m_running.m_sampleFormat == FormatLSB) || (m_running.m_sampleFormat == FormatUSB))
{
Sample s;
Complex c, ci;
fftfilt::cmplx *filtered;
int n_out = 0;
m_udpHandler.readSample(s);
uint64_t magsq = s.m_real * s.m_real + s.m_imag * s.m_imag;
m_inMovingAverage.feed(magsq/1073741824.0);
m_inMagsq = m_inMovingAverage.average();
calculateSquelch(m_inMagsq);
if (m_squelchOpen)
{
ci.real((s.m_real / 32768.0f) * m_running.m_gain);
ci.imag((s.m_imag / 32768.0f) * m_running.m_gain);
n_out = m_SSBFilter->runSSB(ci, &filtered, (m_running.m_sampleFormat == FormatUSB));
if (n_out > 0)
{
memcpy((void *) m_SSBFilterBuffer, (const void *) filtered, n_out*sizeof(Complex));
m_SSBFilterBufferIndex = 0;
}
c = m_SSBFilterBuffer[m_SSBFilterBufferIndex];
m_modSample.real(m_SSBFilterBuffer[m_SSBFilterBufferIndex].real() * 32768.0f);
m_modSample.imag(m_SSBFilterBuffer[m_SSBFilterBufferIndex].imag() * 32768.0f);
m_SSBFilterBufferIndex++;
calculateLevel(m_modSample);
}
else
{
m_modSample.real(0.0f);
m_modSample.imag(0.0f);
}
}
else
{
m_modSample.real(0.0f);