WSJT-X/soundout.h

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#ifndef SOUNDOUT_H
#define SOUNDOUT_H
#include <QtCore>
#include <QDebug>
// An instance of this thread sends audio data to a specified soundcard.
// Output can be muted while underway, preserving waveform timing when
// transmission is resumed.
class SoundOutThread : public QThread
{
Q_OBJECT
protected:
virtual void run();
public:
// Constructs (but does not start) a SoundOutThread
SoundOutThread()
: quitExecution(false) // Initialize some private members
, m_txOK(false)
, m_txMute(false)
{
}
public:
void setOutputDevice(qint32 n);
void setPeriod(int ntrperiod, int nsps);
void setTxFreq(int n);
void setTxSNR(double snr);
void setTune(bool b);
double samFacOut();
bool quitExecution; //If true, thread exits gracefully
// Private members
private:
double m_txsnrdb; //if < 0, add noise to Tx audio
double m_SamFacOut; //(Output sample rate)/48000.0
qint32 m_nDevOut; //Output device number
qint32 m_TRperiod; //T/R period (s)
qint32 m_nsps; //Samples per symbol (at 12000 Hz)
qint32 m_txFreq;
bool m_txOK; //Enable Tx audio
bool m_txMute; //Mute temporarily
bool m_tune;
};
#endif