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sdrangel/plugins/samplesink/audiooutput/audiooutputworker.h
2020-11-21 11:15:06 +01:00

67 lines
2.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 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 INCLUDE_AUDIOOUTPUTWORKER_H
#define INCLUDE_AUDIOOUTPUTWORKER_H
#include <QObject>
#include <QElapsedTimer>
#include "dsp/interpolators.h"
#include "audiooutputsettings.h"
class QTimer;
class SampleSourceFifo;
class AudioFifo;
class AudioOutputWorker : public QObject {
Q_OBJECT
public:
AudioOutputWorker(SampleSourceFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr);
~AudioOutputWorker();
void startWork();
void stopWork();
void setSamplerate(int samplerate);
void setIQMapping(AudioOutputSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;}
void connectTimer(const QTimer& timer);
private:
bool m_running;
int m_samplerate;
int m_throttlems;
int m_maxThrottlems;
QElapsedTimer m_elapsedTimer;
bool m_throttleToggle;
AudioOutputSettings::IQMapping m_iqMapping;
AudioVector m_audioBuffer;
uint32_t m_audioBufferFill;
qint16 *m_buf; // stereo (I, Q)
unsigned int m_samplesChunkSize;
SampleSourceFifo* m_sampleFifo;
AudioFifo* m_audioFifo;
Interpolators<qint16, SDR_TX_SAMP_SZ, 16> m_interpolators;
void callbackPart(SampleVector& data, unsigned int iBegin, unsigned int iEnd);
private slots:
void tick();
};
#endif // INCLUDE_AUDIOOUTPUTWORKER_H