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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** 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 QPULSEAUDIOENGINE_H
#define QPULSEAUDIOENGINE_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 <QtCore/qmap.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qreadwritelock.h>
#include <QtMultimedia/qaudiosystemplugin.h>
#include <pulse/pulseaudio.h>
#include "qpulsehelpers.h"
#include <qaudioformat.h>
QT_BEGIN_NAMESPACE
class QPulseAudioEngine : public QObject
{
Q_OBJECT
public:
QPulseAudioEngine(QObject *parent = 0);
~QPulseAudioEngine();
static QPulseAudioEngine *instance();
pa_threaded_mainloop *mainloop() { return m_mainLoop; }
pa_context *context() { return m_context; }
inline void lock()
{
if (m_mainLoop)
pa_threaded_mainloop_lock(m_mainLoop);
}
inline void unlock()
{
if (m_mainLoop)
pa_threaded_mainloop_unlock(m_mainLoop);
}
inline void wait(pa_operation *op)
{
while (m_mainLoop && pa_operation_get_state(op) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(m_mainLoop);
}
QList<QByteArray> availableDevices(QAudio::Mode mode) const;
QByteArray defaultDevice(QAudio::Mode mode) const;
Q_SIGNALS:
void contextFailed();
private Q_SLOTS:
void prepare();
void onContextFailed();
private:
void updateDevices();
void release();
public:
QMap<int, QByteArray> m_sinks;
QMap<int, QByteArray> m_sources;
QMap<QByteArray, QAudioFormat> m_preferredFormats;
QByteArray m_defaultSink;
QByteArray m_defaultSource;
mutable QReadWriteLock m_sinkLock;
mutable QReadWriteLock m_sourceLock;
mutable QReadWriteLock m_serverLock;
private:
pa_mainloop_api *m_mainLoopApi;
pa_threaded_mainloop *m_mainLoop;
pa_context *m_context;
bool m_prepared;
};
QT_END_NAMESPACE
#endif
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