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https://github.com/saitohirga/WSJT-X.git
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25d0429b36
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3978 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
56 lines
1.2 KiB
C++
56 lines
1.2 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 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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Q_PROPERTY(bool running READ isRunning);
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Q_PROPERTY(unsigned attenuation READ attenuation WRITE setAttenuation RESET resetAttenuation);
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public:
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SoundOutput (QIODevice * source);
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~SoundOutput ();
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bool isRunning() const {return m_active;}
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qreal attenuation () const;
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QAudioOutput * stream () {return m_stream.data ();}
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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 suspend ();
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void resume ();
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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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bool volatile m_active;
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QAudioDeviceInfo m_currentDevice;
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qreal m_volume;
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};
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#endif
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