66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/**
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* Copyright (C) 2011-2012 Juho Vähä-Herttua
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*/
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#ifndef AUDIOOUTPUT_H
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#define AUDIOOUTPUT_H
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#include <QObject>
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#include <QIODevice>
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#include <QByteArray>
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#include <QAudioFormat>
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#include <QAudioDeviceInfo>
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#include <QAudioOutput>
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#include <QIODevice>
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class AudioOutput : public QIODevice
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{
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Q_OBJECT
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public:
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explicit AudioOutput(QObject *parent = 0);
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bool init(int bits, int channels, int samplerate);
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bool setDevice(QAudioDeviceInfo deviceInfo);
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void start();
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void setVolume(float volume);
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void output(const QByteArray & data);
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void flush();
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void stop();
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qint64 readData(char *data, qint64 maxlen);
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qint64 writeData(const char *data, qint64 len);
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qint64 bytesAvailable() const;
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bool isSequential() const;
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private:
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void reinit();
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private:
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bool m_initialized;
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QByteArray m_buffer;
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QAudioFormat m_format;
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QAudioDeviceInfo m_deviceInfo;
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QAudioOutput* m_output;
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float m_volume;
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signals:
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public slots:
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private slots:
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void notified();
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void stateChanged(QAudio::State state);
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};
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#endif // AUDIOOUTPUT_H
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