kopia lustrzana https://github.com/f4exb/sdrangel
137 wiersze
4.8 KiB
C
137 wiersze
4.8 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// Copyright (C) 2020 Jon Beniston, M7RCE //
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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_VORDEMODBASEBAND_H
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#define INCLUDE_VORDEMODBASEBAND_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/samplesinkfifo.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#include "vordemodsink.h"
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class DownChannelizer;
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class VORDemodBaseband : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureVORDemodBaseband : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const VORDemodSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureVORDemodBaseband* create(const VORDemodSettings& settings, bool force)
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{
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return new MsgConfigureVORDemodBaseband(settings, force);
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}
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private:
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VORDemodSettings m_settings;
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bool m_force;
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MsgConfigureVORDemodBaseband(const VORDemodSettings& 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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VORDemodBaseband();
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~VORDemodBaseband();
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void reset();
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void startWork();
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void stopWork();
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void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
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void getMagSqLevels(double& avg, double& peak, int& nbSamples) {
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avg = 0.0;
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peak = 0.0;
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nbSamples = 0;
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for (int i = 0; i < m_sinks.size(); i++)
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{
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double avg1, peak1;
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int nbSamples1;
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m_sinks[i]->getMagSqLevels(avg1, peak1, nbSamples1);
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if (avg1 > avg)
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{
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avg = avg1;
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nbSamples = nbSamples1;
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}
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avg += avg1;
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if (peak1 > peak)
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peak = peak1;
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}
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}
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void setMessageQueueToGUI(MessageQueue *messageQueue) {
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m_messageQueueToGUI = messageQueue;
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for (int i = 0; i < m_sinks.size(); i++)
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m_sinks[i]->setMessageQueueToGUI(messageQueue);
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}
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bool getSquelchOpen() const {
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for (int i = 0; i < m_sinks.size(); i++)
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{
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if (m_sinks[i]->getSquelchOpen())
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return true;
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}
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return false;
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}
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int getAudioSampleRate() const {
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if (m_sinks.size() > 0)
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return m_sinks[0]->getAudioSampleRate();
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else
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return 48000;
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}
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void setBasebandSampleRate(int sampleRate);
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double getMagSq() const {
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if (m_sinks.size() > 0)
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return m_sinks[0]->getMagSq();
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else
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return 0.0;
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}
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bool isRunning() const { return m_running; }
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private:
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SampleSinkFifo m_sampleFifo;
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QList<DownChannelizer *> m_channelizers;
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QList<VORDemodSink *> m_sinks;
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AudioFifo m_audioFifoBug; // FIXME: Removing this results in audio stopping when demod is closed
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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VORDemodSettings m_settings;
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bool m_running;
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QMutex m_mutex;
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MessageQueue *m_messageQueueToGUI;
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int m_basebandSampleRate;
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int m_centerFrequency;
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bool handleMessage(const Message& cmd);
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void calculateOffset(VORDemodSink *sink);
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void applySettings(const VORDemodSettings& 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_VORDEMODBASEBAND_H
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