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UDPSink plugin: implemented spectrum view

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This commit is contained in:
f4exb 2017-08-16 22:49:19 +02:00
parent c5343f4c99
commit 50e466c4fe
2 changed files with 83 additions and 42 deletions
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57
plugins/channeltx/udpsink/udpsink.cpp
View File

@ -27,6 +27,9 @@ UDPSink::UDPSink(MessageQueue* uiMessageQueue, UDPSinkGUI* udpSinkGUI, BasebandS
m_uiMessageQueue(uiMessageQueue),
m_udpSinkGUI(udpSinkGUI),
m_spectrum(spectrum),
m_spectrumEnabled(false),
m_spectrumChunkSize(2400),
m_spectrumChunkCounter(0),
m_magsq(1e-10),
m_movingAverage(16, 0),
m_sampleRateSum(0),
@ -113,6 +116,21 @@ void UDPSink::modulateSample()
m_modSample.real(0.0f);
m_modSample.imag(0.0f);
}
if (m_spectrum && m_spectrumEnabled && (m_spectrumChunkCounter < m_spectrumChunkSize - 1))
{
Sample s;
s.m_real = (FixReal) m_modSample.real();
s.m_imag = (FixReal) m_modSample.imag();
m_sampleBuffer.push_back(s);
m_spectrumChunkCounter++;
}
else
{
m_spectrum->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), false);
m_sampleBuffer.clear();
m_spectrumChunkCounter = 0;
}
}
bool UDPSink::handleMessage(const Message& cmd)
@ -121,13 +139,11 @@ bool UDPSink::handleMessage(const Message& cmd)
{
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
m_settingsMutex.lock();
m_config.m_basebandSampleRate = notif.getBasebandSampleRate();
m_config.m_outputSampleRate = notif.getSampleRate();
m_config.m_inputFrequencyOffset = notif.getFrequencyOffset();
m_settingsMutex.unlock();
apply(false);
qDebug() << "UDPSink::handleMessage: MsgChannelizerNotification:"
<< " m_basebandSampleRate: " << m_config.m_basebandSampleRate
@ -140,8 +156,6 @@ bool UDPSink::handleMessage(const Message& cmd)
{
MsgUDPSinkConfigure& cfg = (MsgUDPSinkConfigure&) cmd;
m_settingsMutex.lock();
m_config.m_sampleFormat = cfg.getSampleFormat();
m_config.m_inputSampleRate = cfg.getInputSampleRate();
m_config.m_rfBandwidth = cfg.getRFBandwidth();
@ -152,8 +166,6 @@ bool UDPSink::handleMessage(const Message& cmd)
apply(cfg.getForce());
m_settingsMutex.unlock();
qDebug() << "UDPSink::handleMessage: MsgUDPSinkConfigure:"
<< " m_sampleFormat: " << m_config.m_sampleFormat
<< " m_inputSampleRate: " << m_config.m_inputSampleRate
@ -168,7 +180,12 @@ bool UDPSink::handleMessage(const Message& cmd)
else if (UDPSinkMessages::MsgSampleRateCorrection::match(cmd))
{
UDPSinkMessages::MsgSampleRateCorrection& cfg = (UDPSinkMessages::MsgSampleRateCorrection&) cmd;
m_actualInputSampleRate += cfg.getCorrectionFactor() * m_actualInputSampleRate;
Real newSampleRate = m_actualInputSampleRate + cfg.getCorrectionFactor() * m_actualInputSampleRate;
// exclude values too way out nominal sample rate (20%)
if ((newSampleRate < m_running.m_inputSampleRate * 1.2) && (newSampleRate > m_running.m_inputSampleRate * 0.8))
{
m_actualInputSampleRate = newSampleRate;
if ((cfg.getRawDeltaRatio() > -0.05) || (cfg.getRawDeltaRatio() < 0.05))
{
@ -187,7 +204,7 @@ bool UDPSink::handleMessage(const Message& cmd)
if (m_sampleRateAvgCounter == m_sampleRateAverageItems)
{
float avgRate = m_sampleRateSum / m_sampleRateAverageItems;
qDebug("UDPSink::handleMessage: MsgSampleRateCorrection: corr: %f new rate: %f: avg rate: %f",
qDebug("UDPSink::handleMessage: MsgSampleRateCorrection: corr: %+.6f new rate: %.0f: avg rate: %.0f",
cfg.getCorrectionFactor(),
m_actualInputSampleRate,
avgRate);
@ -197,7 +214,7 @@ bool UDPSink::handleMessage(const Message& cmd)
}
else
{
qDebug("UDPSink::handleMessage: MsgSampleRateCorrection: corr: %f new rate: %f",
qDebug("UDPSink::handleMessage: MsgSampleRateCorrection: corr: %+.6f new rate: %.0f",
cfg.getCorrectionFactor(),
m_actualInputSampleRate);
}
@ -208,14 +225,30 @@ bool UDPSink::handleMessage(const Message& cmd)
m_interpolatorDistance = (Real) m_actualInputSampleRate / (Real) m_config.m_outputSampleRate;
//m_interpolator.create(48, m_actualInputSampleRate, m_config.m_rfBandwidth / 2.2, 3.0); // causes clicking: leaving at standard frequency
m_settingsMutex.unlock();
}
return true;
}
else if (MsgUDPSinkSpectrum::match(cmd))
{
MsgUDPSinkSpectrum& spc = (MsgUDPSinkSpectrum&) cmd;
m_spectrumEnabled = spc.getEnabled();
qDebug() << "UDPSink::handleMessage: MsgUDPSinkSpectrum: m_spectrumEnabled: " << m_spectrumEnabled;
return true;
}
else
{
if(m_spectrum != 0)
{
return m_spectrum->handleMessage(cmd);
}
else
{
return false;
}
}
}
void UDPSink::configure(MessageQueue* messageQueue,
SampleFormat sampleFormat,
@ -268,13 +301,17 @@ void UDPSink::apply(bool force)
m_udpHandler.resetReadIndex();
m_sampleRateSum = 0.0;
m_sampleRateAvgCounter = 0;
m_spectrumChunkSize = m_config.m_inputSampleRate * 0.05; // 50 ms chunk
m_spectrumChunkCounter = 0;
m_settingsMutex.unlock();
}
if ((m_config.m_udpAddressStr != m_running.m_udpAddressStr) ||
(m_config.m_udpPort != m_running.m_udpPort) || force)
{
m_settingsMutex.lock();
m_udpHandler.configureUDPLink(m_config.m_udpAddressStr, m_config.m_udpPort);
m_settingsMutex.unlock();
}
if ((m_config.m_channelMute != m_running.m_channelMute) || force)

4
plugins/channeltx/udpsink/udpsink.h
View File

@ -188,6 +188,10 @@ private:
MessageQueue* m_uiMessageQueue;
UDPSinkGUI* m_udpSinkGUI;
BasebandSampleSink* m_spectrum;
bool m_spectrumEnabled;
SampleVector m_sampleBuffer;
int m_spectrumChunkSize;
int m_spectrumChunkCounter;
Interpolator m_interpolator;
Real m_interpolatorDistance;