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sdrangel/plugins/channelrx/demodfreedv/freedvdemodbaseband.h

123 lines
4.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// 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 INCLUDE_FREEDVDEMODBASEBAND_H
#define INCLUDE_FREEDVDEMODBASEBAND_H
#include <QObject>
#include <QRecursiveMutex>
#include "dsp/samplesinkfifo.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "freedvdemodsink.h"
class DownChannelizer;
class FreeDVDemodBaseband : public QObject
{
Q_OBJECT
public:
class MsgConfigureFreeDVDemodBaseband : public Message {
MESSAGE_CLASS_DECLARATION
public:
const FreeDVDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureFreeDVDemodBaseband* create(const FreeDVDemodSettings& settings, bool force)
{
return new MsgConfigureFreeDVDemodBaseband(settings, force);
}
private:
FreeDVDemodSettings m_settings;
bool m_force;
MsgConfigureFreeDVDemodBaseband(const FreeDVDemodSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgResyncFreeDVDemod : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgResyncFreeDVDemod* create() {
return new MsgResyncFreeDVDemod();
}
private:
MsgResyncFreeDVDemod()
{}
};
FreeDVDemodBaseband();
~FreeDVDemodBaseband();
void reset();
void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
int getChannelSampleRate() const;
int getAudioSampleRate() const { return m_sink.getAudioSampleRate(); }
double getMagSq() { return m_sink.getMagSq(); }
void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_sink.getMagSqLevels(avg, peak, nbSamples); }
void setBasebandSampleRate(int sampleRate);
void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
void setSpectrumSink(BasebandSampleSink* spectrumSink) { m_sink.setSpectrumSink(spectrumSink); }
uint32_t getModemSampleRate() const { return m_sink.getModemSampleRate(); }
double getMagSq() const { return m_sink.getMagSq(); }
bool getAudioActive() const { return m_sink.getAudioActive(); }
void getSNRLevels(double& avg, double& peak, int& nbSamples) { m_sink.getSNRLevels(avg, peak, nbSamples); }
int getBER() const { return m_sink.getBER(); }
float getFrequencyOffset() const { return m_sink.getFrequencyOffset(); }
bool isSync() const { return m_sink.isSync(); }
void setFifoLabel(const QString& label) { m_sampleFifo.setLabel(label); }
void setAudioFifoLabel(const QString& label) { m_sink.setAudioFifoLabel(label); }
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 samples analyzed
*/
void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
private:
SampleSinkFifo m_sampleFifo;
DownChannelizer *m_channelizer;
FreeDVDemodSink m_sink;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
FreeDVDemodSettings m_settings;
QRecursiveMutex m_mutex;
MessageQueue *m_messageQueueToGUI;
MessageQueue *getMessageQueueToGUI() { return m_messageQueueToGUI; }
bool handleMessage(const Message& cmd);
void applySettings(const FreeDVDemodSettings& settings, bool force = false);
private slots:
void handleInputMessages();
void handleData(); //!< Handle data when samples have to be processed
};
#endif // INCLUDE_DSDDEMODBASEBAND_H