mirror of https://github.com/f4exb/sdrangel.git
322 lines
9.3 KiB
C++
322 lines
9.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2017 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef PLUGINS_CHANNELTX_UDPSINK_UDPSOURCE_H_
|
|
#define PLUGINS_CHANNELTX_UDPSINK_UDPSOURCE_H_
|
|
|
|
#include <QObject>
|
|
|
|
#include "dsp/basebandsamplesource.h"
|
|
#include "channel/channelsourceapi.h"
|
|
#include "dsp/basebandsamplesink.h"
|
|
#include "dsp/interpolator.h"
|
|
#include "dsp/movingaverage.h"
|
|
#include "dsp/nco.h"
|
|
#include "dsp/fftfilt.h"
|
|
#include "util/message.h"
|
|
|
|
#include "udpsourcesettings.h"
|
|
#include "udpsourceudphandler.h"
|
|
|
|
class DeviceSinkAPI;
|
|
class ThreadedBasebandSampleSource;
|
|
class UpChannelizer;
|
|
|
|
class UDPSource : public BasebandSampleSource, public ChannelSourceAPI {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
class MsgConfigureUDPSource : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
const UDPSourceSettings& getSettings() const { return m_settings; }
|
|
bool getForce() const { return m_force; }
|
|
|
|
static MsgConfigureUDPSource* create(const UDPSourceSettings& settings, bool force)
|
|
{
|
|
return new MsgConfigureUDPSource(settings, force);
|
|
}
|
|
|
|
private:
|
|
UDPSourceSettings m_settings;
|
|
bool m_force;
|
|
|
|
MsgConfigureUDPSource(const UDPSourceSettings& 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)
|
|
{ }
|
|
};
|
|
|
|
UDPSource(DeviceSinkAPI *deviceAPI);
|
|
virtual ~UDPSource();
|
|
virtual void destroy() { delete this; }
|
|
|
|
void setSpectrumSink(BasebandSampleSink* spectrum) { m_spectrum = spectrum; }
|
|
|
|
virtual void start();
|
|
virtual void stop();
|
|
virtual void pull(Sample& sample);
|
|
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 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);
|
|
|
|
double getMagSq() const { return m_magsq; }
|
|
double getInMagSq() const { return m_inMagsq; }
|
|
int32_t getBufferGauge() const { return m_udpHandler.getBufferGauge(); }
|
|
bool getSquelchOpen() const { return m_squelchOpen; }
|
|
|
|
void setSpectrum(bool enabled);
|
|
void resetReadIndex();
|
|
|
|
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:
|
|
class MsgUDPSourceSpectrum : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
bool getEnabled() const { return m_enabled; }
|
|
|
|
static MsgUDPSourceSpectrum* create(bool enabled)
|
|
{
|
|
return new MsgUDPSourceSpectrum(enabled);
|
|
}
|
|
|
|
private:
|
|
bool m_enabled;
|
|
|
|
MsgUDPSourceSpectrum(bool enabled) :
|
|
Message(),
|
|
m_enabled(enabled)
|
|
{ }
|
|
};
|
|
|
|
class MsgResetReadIndex : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
|
|
static MsgResetReadIndex* create()
|
|
{
|
|
return new MsgResetReadIndex();
|
|
}
|
|
|
|
private:
|
|
|
|
MsgResetReadIndex() :
|
|
Message()
|
|
{ }
|
|
};
|
|
|
|
DeviceSinkAPI* m_deviceAPI;
|
|
ThreadedBasebandSampleSource* m_threadedChannelizer;
|
|
UpChannelizer* m_channelizer;
|
|
|
|
int m_basebandSampleRate;
|
|
Real m_outputSampleRate;
|
|
int m_inputFrequencyOffset;
|
|
UDPSourceSettings m_settings;
|
|
|
|
Real m_squelch;
|
|
|
|
NCO m_carrierNco;
|
|
Complex m_modSample;
|
|
|
|
BasebandSampleSink* m_spectrum;
|
|
bool m_spectrumEnabled;
|
|
SampleVector m_sampleBuffer;
|
|
int m_spectrumChunkSize;
|
|
int m_spectrumChunkCounter;
|
|
|
|
Interpolator m_interpolator;
|
|
Real m_interpolatorDistance;
|
|
Real m_interpolatorDistanceRemain;
|
|
bool m_interpolatorConsumed;
|
|
|
|
double m_magsq;
|
|
double m_inMagsq;
|
|
MovingAverage<double> m_movingAverage;
|
|
MovingAverage<double> m_inMovingAverage;
|
|
|
|
UDPSourceUDPHandler m_udpHandler;
|
|
Real m_actualInputSampleRate; //!< sample rate with UDP buffer skew compensation
|
|
double m_sampleRateSum;
|
|
int m_sampleRateAvgCounter;
|
|
|
|
int m_levelCalcCount;
|
|
Real m_peakLevel;
|
|
double m_levelSum;
|
|
int m_levelNbSamples;
|
|
|
|
bool m_squelchOpen;
|
|
int m_squelchOpenCount;
|
|
int m_squelchCloseCount;
|
|
int m_squelchThreshold;
|
|
|
|
float m_modPhasor; //!< Phasor for FM modulation
|
|
fftfilt* m_SSBFilter; //!< Complex filter for SSB modulation
|
|
Complex* m_SSBFilterBuffer;
|
|
int m_SSBFilterBufferIndex;
|
|
|
|
QMutex m_settingsMutex;
|
|
|
|
static const int m_sampleRateAverageItems = 17;
|
|
static const int m_ssbFftLen = 1024;
|
|
|
|
void applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force = false);
|
|
void applySettings(const UDPSourceSettings& settings, bool force = false);
|
|
void modulateSample();
|
|
void calculateLevel(Real sample);
|
|
void calculateLevel(Complex sample);
|
|
|
|
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const UDPSourceSettings& settings);
|
|
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
|
|
|
|
inline void calculateSquelch(double value)
|
|
{
|
|
if ((!m_settings.m_squelchEnabled) || (value > m_squelch))
|
|
{
|
|
if (m_squelchThreshold == 0)
|
|
{
|
|
m_squelchOpen = true;
|
|
}
|
|
else
|
|
{
|
|
if (m_squelchOpenCount < m_squelchThreshold)
|
|
{
|
|
m_squelchOpenCount++;
|
|
}
|
|
else
|
|
{
|
|
m_squelchCloseCount = m_squelchThreshold;
|
|
m_squelchOpen = true;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (m_squelchThreshold == 0)
|
|
{
|
|
m_squelchOpen = false;
|
|
}
|
|
else
|
|
{
|
|
if (m_squelchCloseCount > 0)
|
|
{
|
|
m_squelchCloseCount--;
|
|
}
|
|
else
|
|
{
|
|
m_squelchOpenCount = 0;
|
|
m_squelchOpen = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
inline void initSquelch(bool open)
|
|
{
|
|
if (open)
|
|
{
|
|
m_squelchOpen = true;
|
|
m_squelchOpenCount = m_squelchThreshold;
|
|
m_squelchCloseCount = m_squelchThreshold;
|
|
}
|
|
else
|
|
{
|
|
m_squelchOpen = false;
|
|
m_squelchOpenCount = 0;
|
|
m_squelchCloseCount = 0;
|
|
}
|
|
}
|
|
|
|
inline void readMonoSample(qint16& t)
|
|
{
|
|
|
|
if (m_settings.m_stereoInput)
|
|
{
|
|
AudioSample a;
|
|
m_udpHandler.readSample(a);
|
|
t = ((a.l + a.r) * m_settings.m_gainIn) / 2;
|
|
}
|
|
else
|
|
{
|
|
m_udpHandler.readSample(t);
|
|
t *= m_settings.m_gainIn;
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif /* PLUGINS_CHANNELTX_UDPSINK_UDPSOURCE_H_ */
|