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Use mouse keys for CW modulation in SSB modulator. Fixes #1948

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This commit is contained in:
f4exb
2024-03-13 01:30:10 +01:00
parent af8d63e94e
commit b0b4fa521f
19 changed files with 313 additions and 77 deletions
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plugins/channeltx/modssb/ssbmodsource.cpp
+23 -14
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@@ -35,7 +35,7 @@ SSBModSource::SSBModSource() :
m_spectrumSink(nullptr),
m_audioSampleRate(48000),
m_audioFifo(12000),
m_feedbackAudioFifo(48000),
m_feedbackAudioFifo(12000),
m_levelCalcCount(0),
m_peakLevel(0.0f),
m_levelSum(0.0f),
@@ -55,7 +55,7 @@ SSBModSource::SSBModSource() :
m_audioReadBuffer.resize(24000);
m_audioReadBufferFill = 0;
m_feedbackAudioBuffer.resize(1<<14);
m_feedbackAudioBuffer.resize(4800);
m_feedbackAudioBufferFill = 0;
m_demodBuffer.resize(1<<12);
@@ -538,22 +538,31 @@ void SSBModSource::pushFeedback(Complex c)
void SSBModSource::processOneSample(Complex& ci)
{
m_feedbackAudioBuffer[m_feedbackAudioBufferFill].l = ci.real();
m_feedbackAudioBuffer[m_feedbackAudioBufferFill].r = ci.imag();
++m_feedbackAudioBufferFill;
if (m_feedbackAudioBufferFill >= m_feedbackAudioBuffer.size())
if (m_settings.m_modAFInput == SSBModSettings::SSBModInputCWTone) // minimize latency for CW
{
uint res = m_feedbackAudioFifo.write((const quint8*)&m_feedbackAudioBuffer[0], m_feedbackAudioBufferFill);
m_feedbackAudioBuffer[0].l = ci.real();
m_feedbackAudioBuffer[0].r = ci.imag();
m_feedbackAudioFifo.writeOne((const quint8*) &m_feedbackAudioBuffer[0]);
}
else
{
m_feedbackAudioBuffer[m_feedbackAudioBufferFill].l = ci.real();
m_feedbackAudioBuffer[m_feedbackAudioBufferFill].r = ci.imag();
++m_feedbackAudioBufferFill;
if (res != m_feedbackAudioBufferFill)
if (m_feedbackAudioBufferFill >= m_feedbackAudioBuffer.size())
{
qDebug("SSBModSource::pushFeedback: %u/%u audio samples written m_feedbackInterpolatorDistance: %f",
res, m_feedbackAudioBufferFill, m_feedbackInterpolatorDistance);
m_feedbackAudioFifo.clear();
}
uint res = m_feedbackAudioFifo.write((const quint8*)&m_feedbackAudioBuffer[0], m_feedbackAudioBufferFill);
m_feedbackAudioBufferFill = 0;
if (res != m_feedbackAudioBufferFill)
{
qDebug("SSBModSource::pushFeedback: %u/%u audio samples written m_feedbackInterpolatorDistance: %f",
res, m_feedbackAudioBufferFill, m_feedbackInterpolatorDistance);
m_feedbackAudioFifo.clear();
}
m_feedbackAudioBufferFill = 0;
}
}
}