55 lines
1006 B
C++
55 lines
1006 B
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 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_msBuffered {0u}
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, m_volume {1.0}
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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, unsigned msBuffered = 0u);
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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 audioError () 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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QScopedPointer<QAudioOutput> m_stream;
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unsigned m_msBuffered;
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qreal m_volume;
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};
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#endif
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