sdrangel/plugins/channeltx/modm17/m17modfifo.h

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2.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2022 Edouard Griffiths, F4EXB //
// //
// 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 //
// (at your option) any later version. //
// //
// 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 PLUGINS_CHANNELTX_MODM17_M17MODFIFO_H_
#define PLUGINS_CHANNELTX_MODM17_M17MODFIFO_H_
#include <QObject>
#include <QMutex>
class M17ModFIFO: public QObject
{
Q_OBJECT
public:
M17ModFIFO();
M17ModFIFO(uint32_t numSamples);
~M17ModFIFO();
void setSize(uint32_t numSamples);
uint32_t getSize() const { return m_size; }
uint32_t write(const int16_t* data, uint32_t numSamples);
uint32_t readOne(int16_t* data);
int getFill() const;
private:
QMutex m_mutex;
int16_t* m_fifo;
uint32_t m_size;
int m_writeIndex;
int m_readIndex;
bool m_fifoEmpty;
void create(uint32_t numSamples);
};
#endif // PLUGINS_CHANNELTX_MODM17_M17MODFIFO_H_