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sdrangel/sdrbase/dsp/threadedbasebandsamplesource.h

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3.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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 SDRBASE_DSP_THREADEDBASEBANDSAMPLESOURCE_H_
#define SDRBASE_DSP_THREADEDBASEBANDSAMPLESOURCE_H_
#include <dsp/basebandsamplesource.h>
#include <QMutex>
#include "samplesourcefifo.h"
#include "util/messagequeue.h"
#include "util/export.h"
class BasebandSampleSource;
class QThread;
/**
* Because Qt is a piece of shit this class cannot be a nested protected class of ThreadedSampleSource
* So let's make everything public
*/
class ThreadedBasebandSampleSourceFifo : public QObject {
Q_OBJECT
public:
ThreadedBasebandSampleSourceFifo(BasebandSampleSource* sampleSource, std::size_t size = 1<<18);
~ThreadedBasebandSampleSourceFifo();
void writeToFifo(SampleVector::const_iterator& begin, SampleVector::const_iterator& end);
BasebandSampleSource* m_sampleSource;
SampleSourceFifo m_sampleSourceFifo;
public slots:
void handleFifoData();
};
/**
* This class is a wrapper for BasebandSampleSource that runs the BasebandSampleSource object in its own thread
*/
class SDRANGEL_API ThreadedBasebandSampleSource : public QObject {
Q_OBJECT
public:
ThreadedBasebandSampleSource(BasebandSampleSource* sampleSource, QObject *parent = 0);
~ThreadedBasebandSampleSource();
const BasebandSampleSource *getSource() const { return m_basebandSampleSource; }
MessageQueue* getInputMessageQueue() { return m_basebandSampleSource->getInputMessageQueue(); } //!< Return pointer to sample source's input message queue
MessageQueue* getOutputMessageQueue() { return m_basebandSampleSource->getOutputMessageQueue(); } //!< Return pointer to sample source's output message queue
void start(); //!< this thread start()
void stop(); //!< this thread exit() and wait()
bool handleSourceMessage(const Message& cmd); //!< Send message to source synchronously
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly); //!< Feed source with samples
QString getSampleSourceObjectName() const;
protected:
QThread *m_thread; //!< The thead object
ThreadedBasebandSampleSinkFifo *m_threadedBasebandSampleSourceFifo;
BasebandSampleSource* m_basebandSampleSource;
};
#endif /* SDRBASE_DSP_THREADEDBASEBANDSAMPLESOURCE_H_ */