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sdrangel/plugins/channelrx/demodwfm/wfmdemodbaseband.h

100 lines
4.0 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_WFMDEMODBASEBAND_H
#define INCLUDE_WFMDEMODBASEBAND_H
#include <QObject>
#include <QRecursiveMutex>
#include <QDateTime>
#include "dsp/samplesinkfifo.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "wfmdemodsink.h"
class DownChannelizer;
class ChannelAPI;
class WFMDemodBaseband : public QObject
{
Q_OBJECT
public:
class MsgConfigureWFMDemodBaseband : public Message {
MESSAGE_CLASS_DECLARATION
public:
const WFMDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureWFMDemodBaseband* create(const WFMDemodSettings& settings, bool force)
{
return new MsgConfigureWFMDemodBaseband(settings, force);
}
private:
WFMDemodSettings m_settings;
bool m_force;
MsgConfigureWFMDemodBaseband(const WFMDemodSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
WFMDemodBaseband();
~WFMDemodBaseband();
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;
void setBasebandSampleRate(int sampleRate);
int getAudioSampleRate() const { return m_sink.getAudioSampleRate(); }
double getMagSq() const { return m_sink.getMagSq(); }
bool getSquelchOpen() const { return m_sink.getSquelchOpen(); }
int getSquelchState() const { return m_sink.getSquelchState(); }
void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_sink.getMagSqLevels(avg, peak, nbSamples); }
void setChannel(ChannelAPI *channel);
void setFifoLabel(const QString& label) { m_sampleFifo.setLabel(label); }
void setAudioFifoLabel(const QString& label) { m_sink.setAudioFifoLabel(label); }
QDateTime getAudioFifoErrorDateTime() { return m_audioFifoErrorDateTime; }
private:
SampleSinkFifo m_sampleFifo;
DownChannelizer *m_channelizer;
int m_channelSampleRate;
WFMDemodSink m_sink;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
WFMDemodSettings m_settings;
QRecursiveMutex m_mutex;
QDateTime m_audioFifoErrorDateTime;
bool handleMessage(const Message& cmd);
void applySettings(const WFMDemodSettings& settings, bool force = false);
private slots:
void handleInputMessages();
void handleData(); //!< Handle data when samples have to be processed
void audioUnderflow();
void audioOverflow();
};
#endif // INCLUDE_WFMDEMODBASEBAND_H