WSJT-X/soundout.h
Joe Taylor a9342212e8 Implement adding Tx audio noise via "TxSNR".
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2693 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-10-26 14:03:43 +00:00

45 lines
1.1 KiB
C++

#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);
bool quitExecution; //If true, thread exits gracefully
// Private members
private:
double m_txsnrdb; //if < 0, add noise to Tx audio
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
};
#endif