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45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
#ifndef SOUNDOUT_H
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#define SOUNDOUT_H
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#include <QtCore>
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#include <QDebug>
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// An instance of this thread sends audio data to a specified soundcard.
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// Output can be muted while underway, preserving waveform timing when
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// transmission is resumed.
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class SoundOutThread : public QThread
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{
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Q_OBJECT
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protected:
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virtual void run();
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public:
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// Constructs (but does not start) a SoundOutThread
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SoundOutThread()
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: quitExecution(false) // Initialize some private members
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, m_rate(0)
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, m_nwave(48*11025)
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, m_txOK(false)
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, m_txMute(false)
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{
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}
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public:
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void setOutputDevice(qint32 n);
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void setPeriod(int n);
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bool quitExecution; //If true, thread exits gracefully
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// Private members
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private:
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double m_rate; //Sample rate
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qint32 m_nDevOut; //Output device number
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qint32 m_nwave; //Length of wave file
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qint32 m_TRperiod; //T/R period (30 or 60 s)
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bool m_txOK; //Enable Tx audio
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bool m_txMute; //Mute temporarily
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};
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#endif
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