bool NFMDemod::handleMessage(Message* cmd)
{
if(DSPSignalNotification::match(cmd)) {
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
qDebug("%d samples/sec, %lld Hz offset", signal->getSampleRate(), signal->getFrequencyOffset());
m_sampleRate = signal->getSampleRate();
m_nco.setFreq(-signal->getFrequencyOffset(), m_sampleRate);
m_interpolator.create(16, m_sampleRate, m_rfBandwidth / 2.1);
m_sampleDistanceRemain = m_sampleRate / 48000.0;
m_squelchState = 0;
cmd->completed();
return true;
} else if(MsgConfigureNFMDemod::match(cmd)) {
MsgConfigureNFMDemod* cfg = (MsgConfigureNFMDemod*)cmd;
m_rfBandwidth = cfg->getRFBandwidth();
m_interpolator.create(16, m_sampleRate, m_rfBandwidth / 2.1);
m_lowpass.create(21, 48000, cfg->getAFBandwidth());
m_squelchLevel = pow(10.0, cfg->getSquelch() / 10.0);
m_volume = cfg->getVolume();
cmd->completed();
return true;
} else {
if(m_sampleSink != NULL)
return m_sampleSink->handleMessage(cmd);
else return false;
}
}
bool TCPSrc::handleMessage(Message* cmd)
{
if(DSPSignalNotification::match(cmd)) {
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
qDebug("%d samples/sec, %lld Hz offset", signal->getSampleRate(), signal->getFrequencyOffset());
m_inputBandwidth = signal->getTunerBandwidth();
m_inputSampleRate = signal->getSampleRate();
m_inputFreq = signal->getTunerFrequency();
if (m_rig) {
m_rig->setTunerSamples(m_inputBandwidth);
m_rig->setTunerFreq(m_inputFreq);
}
m_nco.setFreq(-signal->getFrequencyOffset(), m_inputSampleRate);
m_interpolator.create(16, m_inputSampleRate, m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_inputSampleRate / m_outputSampleRate;
cmd->completed();
return true;
} else if(MsgTCPSrcConfigure::match(cmd)) {
MsgTCPSrcConfigure* cfg = (MsgTCPSrcConfigure*)cmd;
m_sampleFormat = cfg->getSampleFormat();
m_outputSampleRate = cfg->getOutputSampleRate();
m_rfBandwidth = cfg->getRFBandwidth();
if(cfg->getTCPPort() != m_tcpPort) {
m_tcpPort = cfg->getTCPPort();
if(m_tcpServer->isListening())
m_tcpServer->close();
m_tcpServer->listen(QHostAddress::Any, m_tcpPort);
}
m_boost = cfg->getBoost();
m_interpolator.create(16, m_inputSampleRate, m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_inputSampleRate / m_outputSampleRate;
if (m_sampleFormat == FormatSSB)
TCPFilter->create_filter(0.3 / 48.0, m_rfBandwidth / 2.0 / m_outputSampleRate);
else
TCPFilter->create_filter(0.0, m_rfBandwidth / 2.0 / m_outputSampleRate);
cmd->completed();
return true;
} else if(MsgTCPSrcSpectrum::match(cmd)) {
MsgTCPSrcSpectrum* spc = (MsgTCPSrcSpectrum*)cmd;
m_spectrumEnabled = spc->getEnabled();
cmd->completed();
return true;
} else {
if(m_spectrum != NULL)
return m_spectrum->handleMessage(cmd);
else return false;
}
}
bool WFMDemod::handleMessage(Message* cmd)
{
if(DSPSignalNotification::match(cmd)) {
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
qDebug("%d samples/sec, %lld Hz offset", signal->getSampleRate(), signal->getFrequencyOffset());
m_sampleRate = signal->getSampleRate();
m_interpolator.create(16, m_sampleRate, m_afBandwidth);
m_sampleDistanceRemain = m_sampleRate / 48000.0;
cmd->completed();
return true;
} else if(MsgConfigureWFMDemod::match(cmd)) {
MsgConfigureWFMDemod* cfg = (MsgConfigureWFMDemod*)cmd;
m_afBandwidth = cfg->getAFBandwidth();
m_interpolator.create(16, m_sampleRate, m_afBandwidth);
m_volume = cfg->getVolume();
cmd->completed();
return true;
} else {
if(m_sampleSink != NULL)
return m_sampleSink->handleMessage(cmd);
else return false;
}
}
