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/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#ifndef QNXAUDIOOUTPUT_H
#define QNXAUDIOOUTPUT_H
#include "qaudiosystem.h"
#include <QTime>
#include <QTimer>
#include <QIODevice>
#include <QSocketNotifier>
#include <sys/asoundlib.h>
#include <sys/neutrino.h>
QT_BEGIN_NAMESPACE
class QnxPushIODevice;
class QnxAudioOutput : public QAbstractAudioOutput
{
Q_OBJECT
public:
QnxAudioOutput();
~QnxAudioOutput();
void start(QIODevice *source) override;
QIODevice *start() override;
void stop() override;
void reset() override;
void suspend() override;
void resume() override;
int bytesFree() const override;
int periodSize() const override;
void setBufferSize(int) override {}
int bufferSize() const override { return 0; }
void setNotifyInterval(int ms) override;
int notifyInterval() const override;
qint64 processedUSecs() const override;
qint64 elapsedUSecs() const override;
QAudio::Error error() const override;
QAudio::State state() const override;
void setFormat(const QAudioFormat &format) override;
QAudioFormat format() const override;
void setVolume(qreal volume) override;
qreal volume() const override;
void setCategory(const QString &category) override;
QString category() const override;
private slots:
void pullData();
private:
bool open();
void close();
void setError(QAudio::Error error);
void setState(QAudio::State state);
void addPcmEventFilter();
void createPcmNotifiers();
void destroyPcmNotifiers();
void setTypeName(snd_pcm_channel_params_t *params);
void suspendInternal(QAudio::State suspendState);
void resumeInternal();
friend class QnxPushIODevice;
qint64 write(const char *data, qint64 len);
QIODevice *m_source;
bool m_pushSource;
QTimer m_timer;
int m_notifyInterval;
QAudio::Error m_error;
QAudio::State m_state;
QAudioFormat m_format;
qreal m_volume;
QString m_category;
int m_periodSize;
snd_pcm_t *m_pcmHandle;
qint64 m_bytesWritten;
QTime m_startTimeStamp;
QTime m_intervalTimeStamp;
qint64 m_intervalOffset;
#if _NTO_VERSION >= 700
QSocketNotifier *m_pcmNotifier;
private slots:
void pcmNotifierActivated(int socket);
#endif
};
class QnxPushIODevice : public QIODevice
{
Q_OBJECT
public:
explicit QnxPushIODevice(QnxAudioOutput *output);
~QnxPushIODevice();
qint64 readData(char *data, qint64 len);
qint64 writeData(const char *data, qint64 len);
private:
QnxAudioOutput *m_output;
};
QT_END_NAMESPACE
#endif
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