diff options
Diffstat (limited to 'src/plugins/opensles/qopenslesaudiooutput.h')
-rw-r--r-- | src/plugins/opensles/qopenslesaudiooutput.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/plugins/opensles/qopenslesaudiooutput.h b/src/plugins/opensles/qopenslesaudiooutput.h new file mode 100644 index 000000000..b0f01fa22 --- /dev/null +++ b/src/plugins/opensles/qopenslesaudiooutput.h @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** 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 |