0dca769d5a
Update headers from before 2011 that were missed in the previous commit. Change-Id: Ib0fd91a39ffc57117fe01280e34519c3f914fac0 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
159 lines
4.1 KiB
C++
159 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 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 Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** 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 General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QAUDIOOUTPUTPULSE_H
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#define QAUDIOOUTPUTPULSE_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qfile.h>
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#include <QtCore/qtimer.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qstringlist.h>
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#include <QtCore/qdatetime.h>
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#include "qaudio.h"
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#include "qaudiodeviceinfo.h"
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#include "qaudiosystem.h"
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#include <pulse/pulseaudio.h>
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QT_BEGIN_NAMESPACE
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class QPulseAudioOutput : public QAbstractAudioOutput
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{
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friend class OutputPrivate;
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Q_OBJECT
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public:
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QPulseAudioOutput(const QByteArray &device);
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~QPulseAudioOutput();
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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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int bytesFree() const;
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int periodSize() const;
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void setBufferSize(int value);
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int bufferSize() 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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void setFormat(const QAudioFormat &format);
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QAudioFormat format() const;
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void setVolume(qreal volume);
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qreal volume() const;
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public:
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void streamUnderflowCallback();
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private:
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bool open();
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void close();
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qint64 write(const char *data, qint64 len);
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private Q_SLOTS:
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void userFeed();
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private:
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QByteArray m_device;
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QByteArray m_streamName;
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QAudioFormat m_format;
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QAudio::Error m_errorState;
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QAudio::State m_deviceState;
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bool m_pullMode;
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bool m_opened;
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QIODevice *m_audioSource;
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QTimer m_periodTimer;
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pa_stream *m_stream;
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int m_notifyInterval;
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int m_periodSize;
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int m_bufferSize;
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QTime m_clockStamp;
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qint64 m_totalTimeValue;
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QTimer *m_tickTimer;
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char *m_audioBuffer;
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QTime m_timeStamp;
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qint64 m_elapsedTimeOffset;
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bool m_resuming;
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qreal m_volume;
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pa_cvolume m_chVolume;
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pa_sample_spec m_spec;
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};
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class OutputPrivate : public QIODevice
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{
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friend class QPulseAudioOutput;
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Q_OBJECT
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public:
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OutputPrivate(QPulseAudioOutput *audio);
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virtual ~OutputPrivate() {}
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protected:
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qint64 readData(char *data, qint64 len);
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qint64 writeData(const char *data, qint64 len);
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private:
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QPulseAudioOutput *m_audioDevice;
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};
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QT_END_NAMESPACE
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#endif
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