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https://github.com/f4exb/sdrangel.git
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124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_NFMMODBASEBAND_H
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#define INCLUDE_NFMMODBASEBAND_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/samplesourcefifo.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#include "nfmmodsource.h"
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class UpChannelizer;
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class NFMModBaseband : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureNFMModBaseband : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const NFMModSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureNFMModBaseband* create(const NFMModSettings& settings, bool force)
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{
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return new MsgConfigureNFMModBaseband(settings, force);
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}
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private:
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NFMModSettings m_settings;
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bool m_force;
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MsgConfigureNFMModBaseband(const NFMModSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgConfigureChannelizer : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getSourceSampleRate() const { return m_sourceSampleRate; }
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int getSourceCenterFrequency() const { return m_sourceCenterFrequency; }
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static MsgConfigureChannelizer* create(int sourceSampleRate, int sourceCenterFrequency)
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{
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return new MsgConfigureChannelizer(sourceSampleRate, sourceCenterFrequency);
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}
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private:
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int m_sourceSampleRate;
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int m_sourceCenterFrequency;
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MsgConfigureChannelizer(int sourceSampleRate, int sourceCenterFrequency) :
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Message(),
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m_sourceSampleRate(sourceSampleRate),
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m_sourceCenterFrequency(sourceCenterFrequency)
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{ }
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};
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NFMModBaseband();
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~NFMModBaseband();
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void reset();
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void pull(const SampleVector::iterator& begin, unsigned int nbSamples);
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
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CWKeyer& getCWKeyer() { return m_source.getCWKeyer(); }
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double getMagSq() const { return m_source.getMagSq(); }
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unsigned int getAudioSampleRate() const { return m_source.getAudioSampleRate(); }
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unsigned int getFeedbackAudioSampleRate() const { return m_source.getFeedbackAudioSampleRate(); }
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int getChannelSampleRate() const;
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void setInputFileStream(std::ifstream *ifstream) { m_source.setInputFileStream(ifstream); }
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AudioFifo *getAudioFifo() { return m_source.getAudioFifo(); }
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AudioFifo *getFeedbackAudioFifo() { return m_source.getFeedbackAudioFifo(); }
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signals:
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/**
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* Level changed
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* \param rmsLevel RMS level in range 0.0 - 1.0
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* \param peakLevel Peak level in range 0.0 - 1.0
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* \param numSamples Number of audio samples analyzed
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*/
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void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
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private:
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SampleSourceFifo m_sampleFifo;
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UpChannelizer *m_channelizer;
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NFMModSource m_source;
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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NFMModSettings m_settings;
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QMutex m_mutex;
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void processFifo(SampleVector& data, unsigned int iBegin, unsigned int iEnd);
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bool handleMessage(const Message& cmd);
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void applySettings(const NFMModSettings& settings, bool force = false);
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private slots:
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void handleInputMessages();
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void handleData(); //!< Handle data when samples have to be processed
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};
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#endif // INCLUDE_NFMMODBASEBAND_H
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