mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-08 17:46:03 -05:00
64 lines
2.6 KiB
C++
64 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2015-2018 Edouard Griffiths, F4EXB //
|
|
// Copyright (C) 2020 Jon Beniston, M7RCE //
|
|
// //
|
|
// 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_AUDIOINPUTWORKER_H
|
|
#define INCLUDE_AUDIOINPUTWORKER_H
|
|
|
|
#include <QObject>
|
|
|
|
#include "dsp/samplesinkfifo.h"
|
|
#include "dsp/decimators.h"
|
|
#include "audioinputsettings.h"
|
|
|
|
class AudioFifo;
|
|
|
|
class AudioInputWorker : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
AudioInputWorker(SampleSinkFifo* sampleFifo, AudioFifo *fifo, QObject* parent = nullptr);
|
|
~AudioInputWorker();
|
|
|
|
void startWork();
|
|
void stopWork();
|
|
void setLog2Decimation(unsigned int log2_decim) {m_log2Decim = log2_decim;}
|
|
void setIQMapping(AudioInputSettings::IQMapping iqMapping) {m_iqMapping = iqMapping;}
|
|
|
|
static const int m_convBufSamples = 4096;
|
|
private:
|
|
AudioFifo* m_fifo;
|
|
|
|
bool m_running;
|
|
unsigned int m_log2Decim;
|
|
AudioInputSettings::IQMapping m_iqMapping;
|
|
|
|
qint16 m_buf[m_convBufSamples*2]; // stereo (I, Q)
|
|
SampleVector m_convertBuffer;
|
|
SampleSinkFifo* m_sampleFifo;
|
|
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 16, true> m_decimatorsIQ;
|
|
int m_quNCOPhase; //!< Quarter sample rate pseudo NCO phase index (0, 90, 180, 270)
|
|
|
|
void workIQ(unsigned int nbRead);
|
|
void decimate(qint16 *buf, unsigned int nbRead);
|
|
|
|
private slots:
|
|
void handleAudio();
|
|
};
|
|
|
|
#endif // INCLUDE_AUDIOINPUTWORKER_H
|