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			80 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015 F4EXB                                                      //
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// written by Edouard Griffiths                                                  //
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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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//                                                                               //
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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_THREADEDSAMPLESINK_H
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#define INCLUDE_THREADEDSAMPLESINK_H
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#include <dsp/basebandsamplesink.h>
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#include <QMutex>
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#include "samplesinkfifo.h"
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#include "util/messagequeue.h"
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#include "util/export.h"
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class BasebandSampleSink;
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class QThread;
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/**
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 * Because Qt is a piece of shit this class cannot be a nested protected class of ThreadedSampleSink
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 * So let's make everything public
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 */
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class ThreadedBasebandSampleSinkFifo : public QObject {
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	Q_OBJECT
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public:
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	ThreadedBasebandSampleSinkFifo(BasebandSampleSink* sampleSink, std::size_t size = 1<<18);
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	~ThreadedBasebandSampleSinkFifo();
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	void writeToFifo(SampleVector::const_iterator& begin, SampleVector::const_iterator& end);
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	BasebandSampleSink* m_sampleSink;
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	SampleSinkFifo m_sampleFifo;
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public slots:
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	void handleFifoData();
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};
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/**
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 * This class is a wrapper for SampleSink that runs the SampleSink object in its own thread
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 */
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class SDRANGEL_API ThreadedBasebandSampleSink : public QObject {
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	Q_OBJECT
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public:
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	ThreadedBasebandSampleSink(BasebandSampleSink* sampleSink, QObject *parent = 0);
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	~ThreadedBasebandSampleSink();
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	const BasebandSampleSink *getSink() const { return m_basebandSampleSink; }
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	MessageQueue* getInputMessageQueue() { return m_basebandSampleSink->getInputMessageQueue(); } //!< Return pointer to sample sink's input message queue
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	MessageQueue* getOutputMessageQueue() { return m_basebandSampleSink->getOutputMessageQueue(); } //!< Return pointer to sample sink's output message queue
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	void start(); //!< this thread start()
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	void stop();  //!< this thread exit() and wait()
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	bool handleSinkMessage(const Message& cmd); //!< Send message to sink synchronously
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	void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly); //!< Feed sink with samples
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	QString getSampleSinkObjectName() const;
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protected:
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	QThread *m_thread; //!< The thead object
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	ThreadedBasebandSampleSinkFifo *m_threadedBasebandSampleSinkFifo;
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	BasebandSampleSink* m_basebandSampleSink;
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};
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#endif // INCLUDE_THREADEDSAMPLESINK_H
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