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https://github.com/saitohirga/WSJT-X.git
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60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
// -*- Mode: C++ -*-
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#ifndef SOUNDOUT_H__
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#define SOUNDOUT_H__
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#include <QObject>
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#include <QString>
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#include <QAudioOutput>
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#include <QAudioDeviceInfo>
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class QIODevice;
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class QAudioDeviceInfo;
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// An instance of this sends audio data to a specified soundcard.
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class SoundOutput
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: public QObject
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{
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Q_OBJECT;
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public:
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SoundOutput ()
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: m_framesBuffered {0}
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, m_volume {1.0}
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, error_ {false}
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{
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}
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qreal attenuation () const;
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public Q_SLOTS:
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void setFormat (QAudioDeviceInfo const& device, unsigned channels, int frames_buffered = 0);
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void restart (QIODevice *);
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void suspend ();
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void resume ();
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void reset ();
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void stop ();
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void setAttenuation (qreal); /* unsigned */
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void resetAttenuation (); /* to zero */
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Q_SIGNALS:
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void error (QString message) const;
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void status (QString message) const;
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private:
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bool checkStream () const;
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private Q_SLOTS:
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void handleStateChanged (QAudio::State);
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private:
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QAudioDeviceInfo m_device;
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unsigned m_channels;
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QScopedPointer<QAudioOutput> m_stream;
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int m_framesBuffered;
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qreal m_volume;
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bool error_;
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};
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#endif
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