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80 lines
3.2 KiB
C++
80 lines
3.2 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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// (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_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 <QElapsedTimer>
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#include "dsp/dsptypes.h"
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#include "export.h"
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class SDRBASE_API SampleSinkFifo : public QObject {
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Q_OBJECT
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private:
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QElapsedTimer m_msgRateTimer;
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int m_suppressed;
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SampleVector m_data;
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int m_total;
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unsigned int m_writtenSignalCount;
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unsigned int m_writtenSignalRateDivider;
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QMutex m_mutex;
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unsigned int m_size;
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unsigned int m_fill;
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unsigned int m_head;
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unsigned int m_tail;
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QString m_label;
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void create(unsigned int s);
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public:
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SampleSinkFifo(QObject* parent = nullptr);
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SampleSinkFifo(int size, QObject* parent = nullptr);
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SampleSinkFifo(const SampleSinkFifo& other);
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~SampleSinkFifo();
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bool setSize(int size);
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void reset();
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void setWrittenSignalRateDivider(unsigned int divider);
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inline unsigned int size() { QMutexLocker mutexLocker(&m_mutex); unsigned int size = m_size; return size; }
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inline unsigned int fill() { QMutexLocker mutexLocker(&m_mutex); unsigned int fill = m_fill; return fill; }
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unsigned int write(const quint8* data, unsigned int count);
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unsigned int write(SampleVector::const_iterator begin, SampleVector::const_iterator end);
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unsigned int read(SampleVector::iterator begin, SampleVector::iterator end);
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unsigned int readBegin(unsigned int 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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unsigned int readCommit(unsigned int count);
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void setLabel(const QString& label) { m_label = label; }
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static unsigned int getSizePolicy(unsigned int sampleRate);
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signals:
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void dataReady();
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void written(int nsamples, qint64 timestamp);
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void overflow(int nsamples);
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void underflow(int nsamples);
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};
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#endif // INCLUDE_SAMPLEFIFO_H
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