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			68 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel                                                   //
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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_SAMPLEFIFO_H
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#define INCLUDE_SAMPLEFIFO_H
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#include <QObject>
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#include <QMutex>
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#include <QTime>
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#include "dsp/dsptypes.h"
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#include "util/export.h"
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class SDRANGEL_API SampleSinkFifo : public QObject {
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	Q_OBJECT
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private:
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	QMutex m_mutex;
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	QTime m_msgRateTimer;
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	int m_suppressed;
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	SampleVector m_data;
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	uint m_size;
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	uint m_fill;
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	uint m_head;
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	uint m_tail;
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	void create(uint s);
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public:
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	SampleSinkFifo(QObject* parent = NULL);
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	SampleSinkFifo(int size, QObject* parent = NULL);
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	~SampleSinkFifo();
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	bool setSize(int size);
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	inline uint size() const { return m_size; }
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	inline uint fill() { QMutexLocker mutexLocker(&m_mutex); uint fill = m_fill; return fill; }
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	uint write(const quint8* data, uint count);
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	uint write(SampleVector::const_iterator begin, SampleVector::const_iterator end);
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	uint read(SampleVector::iterator begin, SampleVector::iterator end);
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	uint readBegin(uint count,
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		SampleVector::iterator* part1Begin, SampleVector::iterator* part1End,
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		SampleVector::iterator* part2Begin, SampleVector::iterator* part2End);
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	uint readCommit(uint count);
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signals:
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	void dataReady();
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};
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#endif // INCLUDE_SAMPLEFIFO_H
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