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112 lines
3.2 KiB
112 lines
3.2 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QAUDIOOUTPUT_H
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#define QAUDIOOUTPUT_H
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#include <QtCore/qiodevice.h>
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#include <QtCore/qglobal.h>
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#include <QtMultimedia/qaudio.h>
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#include <QtMultimedia/qaudioformat.h>
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#include <QtMultimedia/qaudiodeviceinfo.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Multimedia)
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class QAbstractAudioOutput;
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class Q_MULTIMEDIA_EXPORT QAudioOutput : public QObject
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{
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Q_OBJECT
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public:
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explicit QAudioOutput(const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
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explicit QAudioOutput(const QAudioDeviceInfo &audioDeviceInfo, const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
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~QAudioOutput();
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QAudioFormat format() const;
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void start(QIODevice *device);
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QIODevice* start();
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void stop();
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void reset();
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void suspend();
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void resume();
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void setBufferSize(int bytes);
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int bufferSize() const;
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int bytesFree() const;
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int periodSize() const;
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void setNotifyInterval(int milliSeconds);
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int notifyInterval() const;
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qint64 processedUSecs() const;
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qint64 elapsedUSecs() const;
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QAudio::Error error() const;
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QAudio::State state() const;
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Q_SIGNALS:
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void stateChanged(QAudio::State);
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void notify();
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private:
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Q_DISABLE_COPY(QAudioOutput)
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QAbstractAudioOutput* d;
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QAUDIOOUTPUT_H
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