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2. Add basic proof-of-concept code that uses QAudioInput instead of PortAudio for sound input. By default, this test code is not active, and it compiles using PortAudio. To compile using QAudio, uncomment the line #DEFINES += QAUDIO_INPUT in wsjtx.pro. Note that device selection in the QAudio code is presently hard-wired to use the default input device. You can change this choice on line 267 in soundin.cpp. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3510 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
139 lines
2.9 KiB
C++
139 lines
2.9 KiB
C++
#ifndef QAUDIO_INPUT
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#ifndef SOUNDIN_H
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#define SOUNDIN_H
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#include <portaudio.h>
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#include <QtCore>
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#include <QScopedPointer>
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#include <QDebug>
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extern "C" int a2dCallback( const void *, void *, unsigned long, PaStreamCallbackTimeInfo const *, PaStreamCallbackFlags, void *);
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// Gets audio data from soundcard and signals when a buffer of
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// specified size is available.
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class SoundInput : public QObject
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{
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Q_OBJECT
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public:
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SoundInput();
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~SoundInput();
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void setMonitoring(bool b);
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void setPeriod(int ntrperiod, int nsps) /* this can be called while processing samples */
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{
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m_TRperiod=ntrperiod;
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m_nsps=nsps;
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}
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int mstep() const {return m_step;}
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double samFacIn() const {return m_SamFacIn;}
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signals:
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void readyForFFT(int k);
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void error(const QString& message);
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void status(const QString& message);
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public slots:
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void start(qint32 device);
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void intervalNotify();
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void stop();
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private:
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PaStream * m_inStream;
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bool m_dataSinkBusy;
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double m_SamFacIn; //(Input sample rate)/12000.0
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qint32 m_step;
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qint32 m_TRperiod;
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qint32 m_TRperiod0;
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qint32 m_nsps;
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bool m_monitoring;
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qint64 m_ms0;
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int m_ntr0;
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int m_nBusy;
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int m_nstep0;
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int m_nsps0;
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QTimer m_intervalTimer;
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struct CallbackData
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{
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int kin; //Parameters sent to/from the portaudio callback function
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int ncall;
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bool bzero;
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bool monitoring;
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} m_callbackData;
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friend int a2dCallback(void const *, void *, unsigned long, PaStreamCallbackTimeInfo const *, PaStreamCallbackFlags, void *);
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};
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#endif // SOUNDIN_H
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#else // QAUDIO_INPUT
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#ifndef SOUNDIN_H
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#define SOUNDIN_H
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#include <QtCore>
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#include <QScopedPointer>
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#include <QDebug>
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#include <QAudioDeviceInfo>
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#include <QAudioInput>
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// Gets audio data from soundcard and signals when a buffer of
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// specified size is available.
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class SoundInput : public QObject
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{
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Q_OBJECT
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public:
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SoundInput();
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~SoundInput();
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void setMonitoring(bool b);
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void setPeriod(int ntrperiod, int nsps) /* this can be called while processing samples */
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{
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m_TRperiod=ntrperiod;
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m_nsps=nsps;
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}
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int mstep() const {return m_step;}
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double samFacIn() const {return m_SamFacIn;}
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signals:
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void readyForFFT(int k);
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void error(const QString& message);
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void status(const QString& message);
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public slots:
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void start(qint32 device);
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void intervalNotify();
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void stop();
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private:
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bool m_dataSinkBusy;
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double m_SamFacIn; //(Input sample rate)/12000.0
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qint32 m_step;
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qint32 m_TRperiod;
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qint32 m_TRperiod0;
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qint32 m_nsps;
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bool m_monitoring;
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qint64 m_ms0;
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int m_ntr0;
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int m_nBusy;
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int m_nstep0;
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int m_nsps0;
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QTimer m_intervalTimer;
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QAudioDeviceInfo inputDevice; // audioinput device name
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QAudioInput* audioInput;
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QIODevice* stream;
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struct CallbackData
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{
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int kin; //Parameters sent to/from the portaudio callback function
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int ncall;
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bool bzero;
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bool monitoring;
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} m_callbackData;
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};
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#endif // SOUNDIN_H
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#endif // QAUDIO_INPUT
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