1 files changed, 155 insertions, 0 deletions
diff --git a/src/plugins/opensles/qopenslesaudiooutput.h b/src/plugins/opensles/qopenslesaudiooutput.h
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+++ b/src/plugins/opensles/qopenslesaudiooutput.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOPENSLESAUDIOOUTPUT_H
+#define QOPENSLESAUDIOOUTPUT_H
+
+#include <qaudiosystem.h>
+#include <SLES/OpenSLES.h>
+#include <qbytearray.h>
+#include <qmap.h>
+#include <QTime>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenSLESAudioOutput : public QAbstractAudioOutput
+{
+    Q_OBJECT
+
+public:
+    QOpenSLESAudioOutput(const QByteArray &device);
+    ~QOpenSLESAudioOutput();
+
+    void start(QIODevice *device) Q_DECL_OVERRIDE;
+    QIODevice *start() Q_DECL_OVERRIDE;
+    void stop() Q_DECL_OVERRIDE;
+    void reset() Q_DECL_OVERRIDE;
+    void suspend() Q_DECL_OVERRIDE;
+    void resume() Q_DECL_OVERRIDE;
+    int bytesFree() const Q_DECL_OVERRIDE;
+    int periodSize() const Q_DECL_OVERRIDE;
+    void setBufferSize(int value) Q_DECL_OVERRIDE;
+    int bufferSize() const Q_DECL_OVERRIDE;
+    void setNotifyInterval(int milliSeconds) Q_DECL_OVERRIDE;
+    int notifyInterval() const Q_DECL_OVERRIDE;
+    qint64 processedUSecs() const Q_DECL_OVERRIDE;
+    qint64 elapsedUSecs() const Q_DECL_OVERRIDE;
+    QAudio::Error error() const Q_DECL_OVERRIDE;
+    QAudio::State state() const Q_DECL_OVERRIDE;
+    void setFormat(const QAudioFormat &format) Q_DECL_OVERRIDE;
+    QAudioFormat format() const Q_DECL_OVERRIDE;
+
+    void setVolume(qreal volume) Q_DECL_OVERRIDE;
+    qreal volume() const Q_DECL_OVERRIDE;
+
+    void setCategory(const QString &category) Q_DECL_OVERRIDE;
+    QString category() const Q_DECL_OVERRIDE;
+
+private:
+    friend class SLIODevicePrivate;
+
+    Q_INVOKABLE void onEOSEvent();
+    void bufferAvailable(quint32 count, quint32 playIndex);
+
+    static void playCallback(SLPlayItf playItf, void *ctx, SLuint32 event);
+    static void bufferQueueCallback(SLBufferQueueItf bufferQueue, void *ctx);
+
+    bool preparePlayer();
+    void destroyPlayer();
+    qint64 writeData(const char *data, qint64 len);
+
+    void setState(QAudio::State state);
+    void setError(QAudio::Error error);
+
+    SLmillibel adjustVolume(qreal vol);
+
+    QByteArray m_deviceName;
+    QAudio::State m_state;
+    QAudio::Error m_error;
+    SLObjectItf m_outputMixObject;
+    SLObjectItf m_playerObject;
+    SLPlayItf m_playItf;
+    SLVolumeItf m_volumeItf;
+    SLBufferQueueItf m_bufferQueueItf;
+    QIODevice *m_audioSource;
+    char *m_buffers;
+    qreal m_volume;
+    bool m_pullMode;
+    int m_nextBuffer;
+    int m_bufferSize;
+    int m_notifyInterval;
+    int m_periodSize;
+    qint64 m_elapsedTime;
+    qint64 m_processedBytes;
+    QAtomicInt m_availableBuffers;
+
+    qint32 m_streamType;
+    QTime m_clockStamp;
+    QAudioFormat m_format;
+    QString m_category;
+    static QMap<QString, qint32> m_categories;
+};
+
+class SLIODevicePrivate : public QIODevice
+{
+    Q_OBJECT
+
+public:
+    inline SLIODevicePrivate(QOpenSLESAudioOutput *audio) : m_audioDevice(audio) {}
+    inline ~SLIODevicePrivate() Q_DECL_OVERRIDE {}
+
+protected:
+    inline qint64 readData(char *, qint64) Q_DECL_OVERRIDE { return 0; }
+    inline qint64 writeData(const char *data, qint64 len) Q_DECL_OVERRIDE;
+
+private:
+    QOpenSLESAudioOutput *m_audioDevice;
+};
+
+qint64 SLIODevicePrivate::writeData(const char *data, qint64 len)
+{
+    Q_ASSERT(m_audioDevice);
+    return m_audioDevice->writeData(data, len);
+}
+
+QT_END_NAMESPACE
+
+#endif // QOPENSLESAUDIOOUTPUT_H