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sdrangel/plugins/channeltx/modam/ammod.cpp

684 lines
23 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "ammod.h"
#include <QTime>
#include <QDebug>
#include <QMutexLocker>
#include <stdio.h>
#include <complex.h>
#include "SWGChannelSettings.h"
#include "SWGChannelReport.h"
#include "SWGAMModReport.h"
#include "dsp/upchannelizer.h"
#include "dsp/dspengine.h"
#include "dsp/threadedbasebandsamplesource.h"
#include "dsp/dspcommands.h"
#include "device/devicesinkapi.h"
#include "util/db.h"
MESSAGE_CLASS_DEFINITION(AMMod::MsgConfigureAMMod, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgConfigureChannelizer, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgConfigureFileSourceName, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgConfigureFileSourceSeek, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgConfigureFileSourceStreamTiming, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgReportFileSourceStreamData, Message)
MESSAGE_CLASS_DEFINITION(AMMod::MsgReportFileSourceStreamTiming, Message)
const QString AMMod::m_channelIdURI = "sdrangel.channeltx.modam";
const QString AMMod::m_channelId ="AMMod";
const int AMMod::m_levelNbSamples = 480; // every 10ms
AMMod::AMMod(DeviceSinkAPI *deviceAPI) :
ChannelSourceAPI(m_channelIdURI),
m_deviceAPI(deviceAPI),
m_basebandSampleRate(48000),
m_outputSampleRate(48000),
m_inputFrequencyOffset(0),
m_audioFifo(4800),
m_settingsMutex(QMutex::Recursive),
m_fileSize(0),
m_recordLength(0),
m_sampleRate(48000),
m_levelCalcCount(0),
m_peakLevel(0.0f),
m_levelSum(0.0f)
{
setObjectName(m_channelId);
m_audioBuffer.resize(1<<14);
m_audioBufferFill = 0;
m_magsq = 0.0;
DSPEngine::instance()->getAudioDeviceManager()->addAudioSource(&m_audioFifo, getInputMessageQueue());
m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getInputSampleRate();
m_toneNco.setFreq(1000.0, m_audioSampleRate);
// CW keyer
m_cwKeyer.setSampleRate(m_audioSampleRate);
m_cwKeyer.setWPM(13);
m_cwKeyer.setMode(CWKeyerSettings::CWNone);
applyChannelSettings(m_basebandSampleRate, m_outputSampleRate, m_inputFrequencyOffset, true);
applySettings(m_settings, true);
m_channelizer = new UpChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
m_deviceAPI->addThreadedSource(m_threadedChannelizer);
m_deviceAPI->addChannelAPI(this);
}
AMMod::~AMMod()
{
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSource(&m_audioFifo);
}
void AMMod::pull(Sample& sample)
{
if (m_settings.m_channelMute)
{
sample.m_real = 0.0f;
sample.m_imag = 0.0f;
return;
}
Complex ci;
m_settingsMutex.lock();
if (m_interpolatorDistance > 1.0f) // decimate
{
modulateSample();
while (!m_interpolator.decimate(&m_interpolatorDistanceRemain, m_modSample, &ci))
{
modulateSample();
}
}
else
{
if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, m_modSample, &ci))
{
modulateSample();
}
}
m_interpolatorDistanceRemain += m_interpolatorDistance;
ci *= m_carrierNco.nextIQ(); // shift to carrier frequency
m_settingsMutex.unlock();
double magsq = ci.real() * ci.real() + ci.imag() * ci.imag();
magsq /= (SDR_TX_SCALED*SDR_TX_SCALED);
m_movingAverage(magsq);
m_magsq = m_movingAverage.asDouble();
sample.m_real = (FixReal) ci.real();
sample.m_imag = (FixReal) ci.imag();
}
void AMMod::pullAudio(int nbSamples)
{
// qDebug("AMMod::pullAudio: %d", nbSamples);
unsigned int nbAudioSamples = nbSamples * ((Real) m_audioSampleRate / (Real) m_basebandSampleRate);
if (nbAudioSamples > m_audioBuffer.size())
{
m_audioBuffer.resize(nbAudioSamples);
}
m_audioFifo.read(reinterpret_cast<quint8*>(&m_audioBuffer[0]), nbAudioSamples, 10);
m_audioBufferFill = 0;
}
void AMMod::modulateSample()
{
Real t;
pullAF(t);
calculateLevel(t);
m_audioBufferFill++;
m_modSample.real((t*m_settings.m_modFactor + 1.0f) * 16384.0f); // modulate and scale zero frequency carrier
m_modSample.imag(0.0f);
}
void AMMod::pullAF(Real& sample)
{
switch (m_settings.m_modAFInput)
{
case AMModSettings::AMModInputTone:
sample = m_toneNco.next();
break;
case AMModSettings::AMModInputFile:
// sox f4exb_call.wav --encoding float --endian little f4exb_call.raw
// ffplay -f f32le -ar 48k -ac 1 f4exb_call.raw
if (m_ifstream.is_open())
{
if (m_ifstream.eof())
{
if (m_settings.m_playLoop)
{
m_ifstream.clear();
m_ifstream.seekg(0, std::ios::beg);
}
}
if (m_ifstream.eof())
{
sample = 0.0f;
}
else
{
m_ifstream.read(reinterpret_cast<char*>(&sample), sizeof(Real));
sample *= m_settings.m_volumeFactor;
}
}
else
{
sample = 0.0f;
}
break;
case AMModSettings::AMModInputAudio:
sample = ((m_audioBuffer[m_audioBufferFill].l + m_audioBuffer[m_audioBufferFill].r) / 65536.0f) * m_settings.m_volumeFactor;
break;
case AMModSettings::AMModInputCWTone:
Real fadeFactor;
if (m_cwKeyer.getSample())
{
m_cwKeyer.getCWSmoother().getFadeSample(true, fadeFactor);
sample = m_toneNco.next() * fadeFactor;
}
else
{
if (m_cwKeyer.getCWSmoother().getFadeSample(false, fadeFactor))
{
sample = m_toneNco.next() * fadeFactor;
}
else
{
sample = 0.0f;
m_toneNco.setPhase(0);
}
}
break;
case AMModSettings::AMModInputNone:
default:
sample = 0.0f;
break;
}
}
void AMMod::calculateLevel(Real& sample)
{
if (m_levelCalcCount < m_levelNbSamples)
{
m_peakLevel = std::max(std::fabs(m_peakLevel), sample);
m_levelSum += sample * sample;
m_levelCalcCount++;
}
else
{
qreal rmsLevel = sqrt(m_levelSum / m_levelNbSamples);
//qDebug("NFMMod::calculateLevel: %f %f", rmsLevel, m_peakLevel);
emit levelChanged(rmsLevel, m_peakLevel, m_levelNbSamples);
m_peakLevel = 0.0f;
m_levelSum = 0.0f;
m_levelCalcCount = 0;
}
}
void AMMod::start()
{
qDebug() << "AMMod::start: m_outputSampleRate: " << m_outputSampleRate
<< " m_inputFrequencyOffset: " << m_settings.m_inputFrequencyOffset;
m_audioFifo.clear();
applyChannelSettings(m_basebandSampleRate, m_outputSampleRate, m_inputFrequencyOffset, true);
}
void AMMod::stop()
{
}
bool AMMod::handleMessage(const Message& cmd)
{
if (UpChannelizer::MsgChannelizerNotification::match(cmd))
{
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "AMMod::handleMessage: MsgChannelizerNotification:"
<< " 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());
return true;
}
else if (MsgConfigureAMMod::match(cmd))
{
MsgConfigureAMMod& cfg = (MsgConfigureAMMod&) cmd;
qDebug() << "AMMod::handleMessage: MsgConfigureAMMod";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (MsgConfigureFileSourceName::match(cmd))
{
MsgConfigureFileSourceName& conf = (MsgConfigureFileSourceName&) cmd;
m_fileName = conf.getFileName();
openFileStream();
return true;
}
else if (MsgConfigureFileSourceSeek::match(cmd))
{
MsgConfigureFileSourceSeek& conf = (MsgConfigureFileSourceSeek&) cmd;
int seekPercentage = conf.getPercentage();
seekFileStream(seekPercentage);
return true;
}
else if (MsgConfigureFileSourceStreamTiming::match(cmd))
{
std::size_t samplesCount;
if (m_ifstream.eof()) {
samplesCount = m_fileSize / sizeof(Real);
} else {
samplesCount = m_ifstream.tellg() / sizeof(Real);
}
MsgReportFileSourceStreamTiming *report;
report = MsgReportFileSourceStreamTiming::create(samplesCount);
getMessageQueueToGUI()->push(report);
return true;
}
else if (DSPConfigureAudio::match(cmd))
{
DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
uint32_t sampleRate = cfg.getSampleRate();
qDebug() << "AMMod::handleMessage: DSPConfigureAudio:"
<< " sampleRate: " << sampleRate;
if (sampleRate != m_audioSampleRate) {
applyAudioSampleRate(sampleRate);
}
return true;
}
else if (DSPSignalNotification::match(cmd))
{
return true;
}
else
{
return false;
}
}
void AMMod::openFileStream()
{
if (m_ifstream.is_open()) {
m_ifstream.close();
}
m_ifstream.open(m_fileName.toStdString().c_str(), std::ios::binary | std::ios::ate);
m_fileSize = m_ifstream.tellg();
m_ifstream.seekg(0,std::ios_base::beg);
m_sampleRate = 48000; // fixed rate
m_recordLength = m_fileSize / (sizeof(Real) * m_sampleRate);
qDebug() << "AMMod::openFileStream: " << m_fileName.toStdString().c_str()
<< " fileSize: " << m_fileSize << "bytes"
<< " length: " << m_recordLength << " seconds";
MsgReportFileSourceStreamData *report;
report = MsgReportFileSourceStreamData::create(m_sampleRate, m_recordLength);
getMessageQueueToGUI()->push(report);
}
void AMMod::seekFileStream(int seekPercentage)
{
QMutexLocker mutexLocker(&m_settingsMutex);
if (m_ifstream.is_open())
{
int seekPoint = ((m_recordLength * seekPercentage) / 100) * m_sampleRate;
seekPoint *= sizeof(Real);
m_ifstream.clear();
m_ifstream.seekg(seekPoint, std::ios::beg);
}
}
void AMMod::applyAudioSampleRate(int sampleRate)
{
qDebug("AMMod::applyAudioSampleRate: %d", sampleRate);
MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
sampleRate, m_settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(channelConfigMsg);
m_settingsMutex.lock();
m_interpolatorDistanceRemain = 0;
m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) sampleRate / (Real) m_outputSampleRate;
m_interpolator.create(48, sampleRate, m_settings.m_rfBandwidth / 2.2, 3.0);
m_toneNco.setFreq(m_settings.m_toneFrequency, sampleRate);
m_cwKeyer.setSampleRate(sampleRate);
m_settingsMutex.unlock();
m_audioSampleRate = sampleRate;
}
void AMMod::applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force)
{
qDebug() << "AMMod::applyChannelSettings:"
<< " basebandSampleRate: " << basebandSampleRate
<< " outputSampleRate: " << outputSampleRate
<< " inputFrequencyOffset: " << inputFrequencyOffset;
if ((inputFrequencyOffset != m_inputFrequencyOffset) ||
(outputSampleRate != m_outputSampleRate) || force)
{
m_settingsMutex.lock();
m_carrierNco.setFreq(inputFrequencyOffset, outputSampleRate);
m_settingsMutex.unlock();
}
if ((outputSampleRate != m_outputSampleRate) || force)
{
m_settingsMutex.lock();
m_interpolatorDistanceRemain = 0;
m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) m_audioSampleRate / (Real) outputSampleRate;
m_interpolator.create(48, 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
<< " m_modAFInput " << settings.m_modAFInput
<< " m_audioDeviceName: " << settings.m_audioDeviceName
<< " force: " << force;
if((settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force)
{
m_settingsMutex.lock();
m_interpolatorDistanceRemain = 0;
m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) m_audioSampleRate / (Real) m_outputSampleRate;
m_interpolator.create(48, m_audioSampleRate, settings.m_rfBandwidth / 2.2, 3.0);
m_settingsMutex.unlock();
}
if ((settings.m_toneFrequency != m_settings.m_toneFrequency) || force)
{
m_settingsMutex.lock();
m_toneNco.setFreq(settings.m_toneFrequency, m_audioSampleRate);
m_settingsMutex.unlock();
}
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
{
AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
int audioDeviceIndex = audioDeviceManager->getInputDeviceIndex(settings.m_audioDeviceName);
audioDeviceManager->addAudioSource(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
uint32_t audioSampleRate = audioDeviceManager->getInputSampleRate(audioDeviceIndex);
if (m_audioSampleRate != audioSampleRate) {
applyAudioSampleRate(audioSampleRate);
}
}
m_settings = settings;
}
QByteArray AMMod::serialize() const
{
return m_settings.serialize();
}
bool AMMod::deserialize(const QByteArray& data)
{
if (m_settings.deserialize(data))
{
MsgConfigureAMMod *msg = MsgConfigureAMMod::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureAMMod *msg = MsgConfigureAMMod::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
int AMMod::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
response.setAmModSettings(new SWGSDRangel::SWGAMModSettings());
response.getAmModSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int AMMod::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
AMModSettings settings = m_settings;
bool frequencyOffsetChanged = false;
if (channelSettingsKeys.contains("channelMute")) {
settings.m_channelMute = response.getAmModSettings()->getChannelMute() != 0;
}
if (channelSettingsKeys.contains("inputFrequencyOffset"))
{
settings.m_inputFrequencyOffset = response.getAmModSettings()->getInputFrequencyOffset();
frequencyOffsetChanged = true;
}
if (channelSettingsKeys.contains("modAFInput")) {
settings.m_modAFInput = (AMModSettings::AMModInputAF) response.getAmModSettings()->getModAfInput();
}
if (channelSettingsKeys.contains("audioDeviceName")) {
settings.m_audioDeviceName = *response.getAmModSettings()->getAudioDeviceName();
}
if (channelSettingsKeys.contains("playLoop")) {
settings.m_playLoop = response.getAmModSettings()->getPlayLoop() != 0;
}
if (channelSettingsKeys.contains("rfBandwidth")) {
settings.m_rfBandwidth = response.getAmModSettings()->getRfBandwidth();
}
if (channelSettingsKeys.contains("rgbColor")) {
settings.m_rgbColor = response.getAmModSettings()->getRgbColor();
}
if (channelSettingsKeys.contains("title")) {
settings.m_title = *response.getAmModSettings()->getTitle();
}
if (channelSettingsKeys.contains("toneFrequency")) {
settings.m_toneFrequency = response.getAmModSettings()->getToneFrequency();
}
if (channelSettingsKeys.contains("volumeFactor")) {
settings.m_volumeFactor = response.getAmModSettings()->getVolumeFactor();
}
if (channelSettingsKeys.contains("modFactor")) {
settings.m_modFactor = response.getAmModSettings()->getModFactor();
}
if (channelSettingsKeys.contains("cwKeyer"))
{
SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = response.getAmModSettings()->getCwKeyer();
CWKeyerSettings cwKeyerSettings = m_cwKeyer.getSettings();
if (channelSettingsKeys.contains("cwKeyer.loop")) {
cwKeyerSettings.m_loop = apiCwKeyerSettings->getLoop() != 0;
}
if (channelSettingsKeys.contains("cwKeyer.mode")) {
cwKeyerSettings.m_mode = (CWKeyerSettings::CWMode) apiCwKeyerSettings->getMode();
}
if (channelSettingsKeys.contains("cwKeyer.text")) {
cwKeyerSettings.m_text = *apiCwKeyerSettings->getText();
}
if (channelSettingsKeys.contains("cwKeyer.sampleRate")) {
cwKeyerSettings.m_sampleRate = apiCwKeyerSettings->getSampleRate();
}
if (channelSettingsKeys.contains("cwKeyer.wpm")) {
cwKeyerSettings.m_wpm = apiCwKeyerSettings->getWpm();
}
m_cwKeyer.setLoop(cwKeyerSettings.m_loop);
m_cwKeyer.setMode(cwKeyerSettings.m_mode);
m_cwKeyer.setSampleRate(cwKeyerSettings.m_sampleRate);
m_cwKeyer.setText(cwKeyerSettings.m_text);
m_cwKeyer.setWPM(cwKeyerSettings.m_wpm);
if (m_guiMessageQueue) // forward to GUI if any
{
CWKeyer::MsgConfigureCWKeyer *msgCwKeyer = CWKeyer::MsgConfigureCWKeyer::create(cwKeyerSettings, force);
m_guiMessageQueue->push(msgCwKeyer);
}
}
if (frequencyOffsetChanged)
{
AMMod::MsgConfigureChannelizer *msgChan = AMMod::MsgConfigureChannelizer::create(
m_audioSampleRate, settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(msgChan);
}
MsgConfigureAMMod *msg = MsgConfigureAMMod::create(settings, force);
m_inputMessageQueue.push(msg);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureAMMod *msgToGUI = MsgConfigureAMMod::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
int AMMod::webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage __attribute__((unused)))
{
response.setAmModReport(new SWGSDRangel::SWGAMModReport());
response.getAmModReport()->init();
webapiFormatChannelReport(response);
return 200;
}
void AMMod::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const AMModSettings& settings)
{
response.getAmModSettings()->setChannelMute(settings.m_channelMute ? 1 : 0);
response.getAmModSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
response.getAmModSettings()->setModAfInput((int) settings.m_modAFInput);
response.getAmModSettings()->setPlayLoop(settings.m_playLoop ? 1 : 0);
response.getAmModSettings()->setRfBandwidth(settings.m_rfBandwidth);
response.getAmModSettings()->setModFactor(settings.m_modFactor);
response.getAmModSettings()->setRgbColor(settings.m_rgbColor);
if (response.getAmModSettings()->getTitle()) {
*response.getAmModSettings()->getTitle() = settings.m_title;
} else {
response.getAmModSettings()->setTitle(new QString(settings.m_title));
}
response.getAmModSettings()->setToneFrequency(settings.m_toneFrequency);
response.getAmModSettings()->setVolumeFactor(settings.m_volumeFactor);
if (!response.getAmModSettings()->getCwKeyer()) {
response.getAmModSettings()->setCwKeyer(new SWGSDRangel::SWGCWKeyerSettings);
}
SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = response.getAmModSettings()->getCwKeyer();
const CWKeyerSettings& cwKeyerSettings = m_cwKeyer.getSettings();
apiCwKeyerSettings->setLoop(cwKeyerSettings.m_loop ? 1 : 0);
apiCwKeyerSettings->setMode((int) cwKeyerSettings.m_mode);
apiCwKeyerSettings->setSampleRate(cwKeyerSettings.m_sampleRate);
if (apiCwKeyerSettings->getText()) {
*apiCwKeyerSettings->getText() = cwKeyerSettings.m_text;
} else {
apiCwKeyerSettings->setText(new QString(cwKeyerSettings.m_text));
}
apiCwKeyerSettings->setWpm(cwKeyerSettings.m_wpm);
if (response.getAmModSettings()->getAudioDeviceName()) {
*response.getAmModSettings()->getAudioDeviceName() = settings.m_audioDeviceName;
} else {
response.getAmModSettings()->setAudioDeviceName(new QString(settings.m_audioDeviceName));
}
}
void AMMod::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
response.getAmModReport()->setChannelPowerDb(CalcDb::dbPower(getMagSq()));
response.getAmModReport()->setAudioSampleRate(m_audioSampleRate);
response.getAmModReport()->setChannelSampleRate(m_outputSampleRate);
}