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sdrangel/plugins/samplemimo/audiocatsiso/audiocatinputworker.h

64 lines
2.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2023 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_AUDIOCATINPUTWORKER_H
#define INCLUDE_AUDIOCATINPUTWORKER_H
#include <QObject>
#include "dsp/decimators.h"
#include "audiocatsisosettings.h"
class AudioFifo;
class SampleMIFifo;
class AudioCATInputWorker : public QObject {
Q_OBJECT
public:
AudioCATInputWorker(SampleMIFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr);
~AudioCATInputWorker();
void startWork();
void stopWork();
void setLog2Decimation(unsigned int log2_decim) {m_log2Decim = log2_decim;}
void setFcPos(int fcPos) { m_fcPos = fcPos; }
void setIQMapping(AudioCATSISOSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;}
static const int m_convBufSamples = 4096;
private:
AudioFifo* m_fifo;
bool m_running;
unsigned int m_log2Decim;
int m_fcPos;
AudioCATSISOSettings::IQMapping m_iqMapping;
qint16 m_buf[m_convBufSamples*2]; // stereo (I, Q)
SampleVector m_convertBuffer;
SampleMIFifo* m_sampleFifo;
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16, true> m_decimatorsIQ;
void workIQ(unsigned int nbRead);
void decimate(qint16 *buf, unsigned int nbRead);
private slots:
void handleAudio();
};
#endif // INCLUDE_AUDIOCATINPUTWORKER_H