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AM and ATV Mods : use specific method to apply channelizer sample rate and frequency offset changes. Separate this data from settings

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This commit is contained in:
f4exb
2017-12-29 11:42:33 +01:00
parent d476736487
commit 054e87c153
8 changed files with 153 additions and 119 deletions
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plugins/channeltx/modam/ammod.cpp
+52 -46
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@@ -43,7 +43,9 @@ const int AMMod::m_levelNbSamples = 480; // every 10ms
AMMod::AMMod(DeviceSinkAPI *deviceAPI) :
ChannelSourceAPI(m_channelIdURI),
m_deviceAPI(deviceAPI),
m_absoluteFrequencyOffset(0),
m_basebandSampleRate(48000),
m_outputSampleRate(48000),
m_inputFrequencyOffset(0),
m_movingAverage(40, 0),
m_volumeAGC(40, 0),
m_audioFifo(4800),
@@ -138,7 +140,7 @@ void AMMod::pull(Sample& sample)
void AMMod::pullAudio(int nbSamples)
{
// qDebug("AMMod::pullAudio: %d", nbSamples);
unsigned int nbAudioSamples = nbSamples * ((Real) m_settings.m_audioSampleRate / (Real) m_settings.m_basebandSampleRate);
unsigned int nbAudioSamples = nbSamples * ((Real) m_settings.m_audioSampleRate / (Real) m_basebandSampleRate);
if (nbAudioSamples > m_audioBuffer.size())
{
@@ -249,7 +251,7 @@ void AMMod::calculateLevel(Real& sample)
void AMMod::start()
{
qDebug() << "AMMod::start: m_outputSampleRate: " << m_settings.m_outputSampleRate
qDebug() << "AMMod::start: m_outputSampleRate: " << m_outputSampleRate
<< " m_inputFrequencyOffset: " << m_settings.m_inputFrequencyOffset;
m_audioFifo.clear();
@@ -264,60 +266,34 @@ bool AMMod::handleMessage(const Message& cmd)
if (UpChannelizer::MsgChannelizerNotification::match(cmd))
{
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
AMModSettings settings = m_settings;
settings.m_basebandSampleRate = notif.getBasebandSampleRate();
settings.m_outputSampleRate = notif.getSampleRate();
settings.m_inputFrequencyOffset = notif.getFrequencyOffset();
applySettings(settings);
qDebug() << "AMMod::handleMessage: MsgChannelizerNotification:"
<< " m_basebandSampleRate: " << settings.m_basebandSampleRate
<< " m_outputSampleRate: " << settings.m_outputSampleRate
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset;
<< " basebandSampleRate: " << notif.getBasebandSampleRate()
<< " outputSampleRate: " << notif.getSampleRate()
<< " inputFrequencyOffset: " << notif.getFrequencyOffset();
applyChannelSettings(notif.getBasebandSampleRate(), notif.getSampleRate(), notif.getFrequencyOffset());
return true;
}
else if (MsgConfigureChannelizer::match(cmd))
{
MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
qDebug() << "AMMod::handleMessage: MsgConfigureChannelizer:"
<< " getSampleRate: " << cfg.getSampleRate()
<< " getCenterFrequency: " << cfg.getCenterFrequency();
m_channelizer->configure(m_channelizer->getInputMessageQueue(),
cfg.getSampleRate(),
cfg.getCenterFrequency());
qDebug() << "AMMod::handleMessage: MsgConfigureChannelizer:"
<< " getSampleRate: " << cfg.getSampleRate()
<< " getCenterFrequency: " << cfg.getCenterFrequency();
return true;
}
else if (MsgConfigureAMMod::match(cmd))
{
MsgConfigureAMMod& cfg = (MsgConfigureAMMod&) cmd;
qDebug() << "AMMod::handleMessage: MsgConfigureAMMod";
AMModSettings settings = cfg.getSettings();
// These settings are set with DownChannelizer::MsgChannelizerNotification
m_absoluteFrequencyOffset = settings.m_inputFrequencyOffset;
settings.m_basebandSampleRate = m_settings.m_basebandSampleRate;
settings.m_outputSampleRate = m_settings.m_outputSampleRate;
settings.m_inputFrequencyOffset = m_settings.m_inputFrequencyOffset;
applySettings(settings, cfg.getForce());
qDebug() << "AMMod::handleMessage: MsgConfigureAMMod:"
<< " m_basebandSampleRate: " << settings.m_basebandSampleRate
<< " m_outputSampleRate: " << settings.m_outputSampleRate
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_rfBandwidth: " << settings.m_rfBandwidth
<< " m_modFactor: " << settings.m_modFactor
<< " m_toneFrequency: " << settings.m_toneFrequency
<< " m_volumeFactor: " << settings.m_volumeFactor
<< " m_audioMute: " << settings.m_channelMute
<< " m_playLoop: " << settings.m_playLoop;
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
@@ -400,24 +376,54 @@ void AMMod::seekFileStream(int seekPercentage)
}
}
void AMMod::applySettings(const AMModSettings& settings, bool force)
void AMMod::applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset)
{
if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) ||
(settings.m_outputSampleRate != m_settings.m_outputSampleRate) || force)
qDebug() << "AMMod::applyChannelSettings:"
<< " basebandSampleRate: " << basebandSampleRate
<< " outputSampleRate: " << outputSampleRate
<< " inputFrequencyOffset: " << inputFrequencyOffset;
if ((inputFrequencyOffset != m_inputFrequencyOffset) ||
(outputSampleRate != m_outputSampleRate))
{
m_settingsMutex.lock();
m_carrierNco.setFreq(settings.m_inputFrequencyOffset, settings.m_outputSampleRate);
m_carrierNco.setFreq(inputFrequencyOffset, outputSampleRate);
m_settingsMutex.unlock();
}
if((settings.m_outputSampleRate != m_settings.m_outputSampleRate) ||
(settings.m_rfBandwidth != m_settings.m_rfBandwidth) ||
if (outputSampleRate != m_outputSampleRate)
{
m_settingsMutex.lock();
m_interpolatorDistanceRemain = 0;
m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) m_settings.m_audioSampleRate / (Real) outputSampleRate;
m_interpolator.create(48, m_settings.m_audioSampleRate, m_settings.m_rfBandwidth / 2.2, 3.0);
m_settingsMutex.unlock();
}
m_basebandSampleRate = basebandSampleRate;
m_outputSampleRate = outputSampleRate;
m_inputFrequencyOffset = inputFrequencyOffset;
}
void AMMod::applySettings(const AMModSettings& settings, bool force)
{
qDebug() << "AMMod::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_rfBandwidth: " << settings.m_rfBandwidth
<< " m_modFactor: " << settings.m_modFactor
<< " m_toneFrequency: " << settings.m_toneFrequency
<< " m_volumeFactor: " << settings.m_volumeFactor
<< " m_audioMute: " << settings.m_channelMute
<< " m_playLoop: " << settings.m_playLoop;
if((settings.m_rfBandwidth != m_settings.m_rfBandwidth) ||
(settings.m_audioSampleRate != m_settings.m_audioSampleRate) || force)
{
m_settingsMutex.lock();
m_interpolatorDistanceRemain = 0;
m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) settings.m_audioSampleRate / (Real) settings.m_outputSampleRate;
m_interpolatorDistance = (Real) settings.m_audioSampleRate / (Real) m_outputSampleRate;
m_interpolator.create(48, settings.m_audioSampleRate, settings.m_rfBandwidth / 2.2, 3.0);
m_settingsMutex.unlock();
}