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// Copyright (C) 2016 Research In Motion
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QNXAUDIOINPUT_H
#define QNXAUDIOINPUT_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qaudiosystem_p.h"
#include "qqnxaudioutils_p.h"
#include <QSocketNotifier>
#include <QIODevice>
#include <QElapsedTimer>
#include <QTimer>
#include <sys/asoundlib.h>
QT_BEGIN_NAMESPACE
class QQnxAudioSource : public QPlatformAudioSource
{
Q_OBJECT
public:
explicit QQnxAudioSource(const QAudioDevice &deviceInfo);
~QQnxAudioSource();
void start(QIODevice*) override;
QIODevice* start() override;
void stop() override;
void reset() override;
void suspend() override;
void resume() override;
qsizetype bytesReady() const override;
void setBufferSize(qsizetype ) override;
qsizetype bufferSize() const override;
qint64 processedUSecs() const override;
QAudio::Error error() const override;
QAudio::State state() const override;
void setFormat(const QAudioFormat&) override;
QAudioFormat format() const override;
void setVolume(qreal) override;
qreal volume() const override;
private slots:
void userFeed();
bool deviceReady();
private:
friend class InputPrivate;
bool open();
void close();
qint64 read(char *data, qint64 len);
void changeState(QAudio::State state, QAudio::Error error);
QAudioFormat m_format;
QIODevice *m_audioSource;
QnxAudioUtils::HandleUniquePtr m_pcmHandle;
QSocketNotifier *m_pcmNotifier;
QAudio::Error m_error;
QAudio::State m_state;
qint64 m_bytesRead;
qint64 m_elapsedTimeOffset;
qint64 m_totalTimeValue;
qreal m_volume;
int m_bytesAvailable;
int m_bufferSize;
int m_periodSize;
QAudioDevice m_deviceInfo;
bool m_pullMode;
};
class InputPrivate : public QIODevice
{
Q_OBJECT
public:
InputPrivate(QQnxAudioSource *audio);
qint64 readData(char *data, qint64 len) override;
qint64 writeData(const char *data, qint64 len) override;
qint64 bytesAvailable() const override;
bool isSequential() const override;
void trigger();
private:
QQnxAudioSource *m_audioDevice;
};
QT_END_NAMESPACE
#endif
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