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sdrangel/plugins/channeltx/modfreedv/freedvmod.h

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11 KiB
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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 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 //
// (at your option) any later version. //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_CHANNELTX_MODFREEDV_FREEDVMOD_H_
#define PLUGINS_CHANNELTX_MODFREEDV_FREEDVMOD_H_
#include <vector>
#include <iostream>
#include <fstream>
#include <QMutex>
#include <QNetworkRequest>
#include "dsp/basebandsamplesource.h"
#include "channel/channelapi.h"
#include "dsp/basebandsamplesink.h"
#include "dsp/ncof.h"
#include "dsp/interpolator.h"
#include "util/movingaverage.h"
#include "dsp/agc.h"
#include "dsp/fftfilt.h"
#include "dsp/cwkeyer.h"
#include "audio/audiofifo.h"
#include "audio/audioresampler.h"
#include "util/message.h"
#include "freedvmodsettings.h"
class QNetworkAccessManager;
class QNetworkReply;
class DeviceAPI;
class ThreadedBasebandSampleSource;
class UpChannelizer;
namespace FreeDV {
struct freedv;
}
class FreeDVMod : public BasebandSampleSource, public ChannelAPI {
Q_OBJECT
public:
class MsgConfigureFreeDVMod : public Message {
MESSAGE_CLASS_DECLARATION
public:
const FreeDVModSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureFreeDVMod* create(const FreeDVModSettings& settings, bool force)
{
return new MsgConfigureFreeDVMod(settings, force);
}
private:
FreeDVModSettings m_settings;
bool m_force;
MsgConfigureFreeDVMod(const FreeDVModSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgConfigureChannelizer : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getSampleRate() const { return m_sampleRate; }
int getCenterFrequency() const { return m_centerFrequency; }
static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
{
return new MsgConfigureChannelizer(sampleRate, centerFrequency);
}
private:
int m_sampleRate;
int m_centerFrequency;
MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
Message(),
m_sampleRate(sampleRate),
m_centerFrequency(centerFrequency)
{ }
};
class MsgConfigureFileSourceName : public Message
{
MESSAGE_CLASS_DECLARATION
public:
const QString& getFileName() const { return m_fileName; }
static MsgConfigureFileSourceName* create(const QString& fileName)
{
return new MsgConfigureFileSourceName(fileName);
}
private:
QString m_fileName;
MsgConfigureFileSourceName(const QString& fileName) :
Message(),
m_fileName(fileName)
{ }
};
class MsgConfigureFileSourceSeek : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getPercentage() const { return m_seekPercentage; }
static MsgConfigureFileSourceSeek* create(int seekPercentage)
{
return new MsgConfigureFileSourceSeek(seekPercentage);
}
protected:
int m_seekPercentage; //!< percentage of seek position from the beginning 0..100
MsgConfigureFileSourceSeek(int seekPercentage) :
Message(),
m_seekPercentage(seekPercentage)
{ }
};
class MsgConfigureFileSourceStreamTiming : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgConfigureFileSourceStreamTiming* create()
{
return new MsgConfigureFileSourceStreamTiming();
}
private:
MsgConfigureFileSourceStreamTiming() :
Message()
{ }
};
class MsgReportFileSourceStreamTiming : public Message
{
MESSAGE_CLASS_DECLARATION
public:
std::size_t getSamplesCount() const { return m_samplesCount; }
static MsgReportFileSourceStreamTiming* create(std::size_t samplesCount)
{
return new MsgReportFileSourceStreamTiming(samplesCount);
}
protected:
std::size_t m_samplesCount;
MsgReportFileSourceStreamTiming(std::size_t samplesCount) :
Message(),
m_samplesCount(samplesCount)
{ }
};
class MsgReportFileSourceStreamData : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getSampleRate() const { return m_sampleRate; }
quint32 getRecordLength() const { return m_recordLength; }
static MsgReportFileSourceStreamData* create(int sampleRate,
quint32 recordLength)
{
return new MsgReportFileSourceStreamData(sampleRate, recordLength);
}
protected:
int m_sampleRate;
quint32 m_recordLength;
MsgReportFileSourceStreamData(int sampleRate,
quint32 recordLength) :
Message(),
m_sampleRate(sampleRate),
m_recordLength(recordLength)
{ }
};
//=================================================================
FreeDVMod(DeviceAPI *deviceAPI);
~FreeDVMod();
virtual void destroy() { delete this; }
void setSpectrumSampleSink(BasebandSampleSink* sampleSink) { m_sampleSink = sampleSink; }
virtual void pull(Sample& sample);
virtual void pullAudio(int nbSamples);
virtual void start();
virtual void stop();
virtual bool handleMessage(const Message& cmd);
virtual void getIdentifier(QString& id) { id = objectName(); }
virtual void getTitle(QString& title) { title = m_settings.m_title; }
virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
virtual QByteArray serialize() const;
virtual bool deserialize(const QByteArray& data);
virtual int getNbSinkStreams() const { return 1; }
virtual int getNbSourceStreams() const { return 0; }
virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
{
(void) streamIndex;
(void) sinkElseSource;
return m_settings.m_inputFrequencyOffset;
}
virtual int webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage);
uint32_t getAudioSampleRate() const { return m_audioSampleRate; }
uint32_t getModemSampleRate() const { return m_modemSampleRate; }
double getMagSq() const { return m_magsq; }
Real getLowCutoff() const { return m_lowCutoff; }
Real getHiCutoff() const { return m_hiCutoff; }
CWKeyer *getCWKeyer() { return &m_cwKeyer; }
static const QString m_channelIdURI;
static const QString m_channelId;
signals:
/**
* Level changed
* \param rmsLevel RMS level in range 0.0 - 1.0
* \param peakLevel Peak level in range 0.0 - 1.0
* \param numSamples Number of audio samples analyzed
*/
void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
private:
enum RateState {
RSInitialFill,
RSRunning
};
DeviceAPI* m_deviceAPI;
ThreadedBasebandSampleSource* m_threadedChannelizer;
UpChannelizer* m_channelizer;
int m_basebandSampleRate;
int m_outputSampleRate;
int m_modemSampleRate;
int m_inputFrequencyOffset;
Real m_lowCutoff;
Real m_hiCutoff;
FreeDVModSettings m_settings;
quint32 m_audioSampleRate;
NCOF m_carrierNco;
NCOF m_toneNco;
Complex m_modSample;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
bool m_interpolatorConsumed;
fftfilt* m_SSBFilter;
Complex* m_SSBFilterBuffer;
int m_SSBFilterBufferIndex;
static const int m_ssbFftLen;
BasebandSampleSink* m_sampleSink;
SampleVector m_sampleBuffer;
fftfilt::cmplx m_sum;
int m_undersampleCount;
int m_sumCount;
double m_magsq;
MovingAverageUtil<double, double, 16> m_movingAverage;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
QMutex m_settingsMutex;
std::ifstream m_ifstream;
QString m_fileName;
quint64 m_fileSize; //!< raw file size (bytes)
quint32 m_recordLength; //!< record length in seconds computed from file size
int m_inputSampleRate; //!< speech (input) sample rate (fixed 8000 S/s)
quint32 m_levelCalcCount;
Real m_peakLevel;
Real m_levelSum;
CWKeyer m_cwKeyer;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
struct FreeDV::freedv *m_freeDV;
int m_nSpeechSamples;
int m_nNomModemSamples;
int m_iSpeech;
int m_iModem;
int16_t *m_speechIn;
int16_t *m_modOut;
float m_scaleFactor; //!< divide by this amount to scale from int16 to float in [-1.0, 1.0] interval
AudioResampler m_audioResampler;
static const int m_levelNbSamples;
void applyAudioSampleRate(int sampleRate);
void applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force = false);
void applySettings(const FreeDVModSettings& settings, bool force = false);
void applyFreeDVMode(FreeDVModSettings::FreeDVMode mode);
void pullAF(Complex& sample);
void calculateLevel(Complex& sample);
void calculateLevel(qint16& sample);
void modulateSample();
void openFileStream();
void seekFileStream(int seekPercentage);
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreeDVModSettings& settings);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVModSettings& settings, bool force);
void webapiReverseSendCWSettings(const CWKeyerSettings& settings);
private slots:
void networkManagerFinished(QNetworkReply *reply);
};
#endif /* PLUGINS_CHANNELTX_MODFREEDV_FREEDVMOD_H_ */
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