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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QAUDIOINPUTPULSE_H
#define QAUDIOINPUTPULSE_H
#include <QtCore/qfile.h>
#include <QtCore/qtimer.h>
#include <QtCore/qstring.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qiodevice.h>
#include "qaudio.h"
#include "qaudiodeviceinfo.h"
#include "qaudiosystem.h"
#include <pulse/pulseaudio.h>
QT_BEGIN_NAMESPACE
class PulseInputPrivate;
class QPulseAudioInput : public QAbstractAudioInput
{
Q_OBJECT
public:
QPulseAudioInput(const QByteArray &device);
~QPulseAudioInput();
qint64 read(char *data, qint64 len);
void start(QIODevice *device);
QIODevice *start();
void stop();
void reset();
void suspend();
void resume();
int bytesReady() const;
int periodSize() const;
void setBufferSize(int value);
int bufferSize() const;
void setNotifyInterval(int milliSeconds);
int notifyInterval() const;
qint64 processedUSecs() const;
qint64 elapsedUSecs() const;
QAudio::Error error() const;
QAudio::State state() const;
void setFormat(const QAudioFormat &format);
QAudioFormat format() const;
void setVolume(qreal volume);
qreal volume() const;
qint64 m_totalTimeValue;
QIODevice *m_audioSource;
QAudioFormat m_format;
QAudio::Error m_errorState;
QAudio::State m_deviceState;
qreal m_volume;
bool m_customVolumeRequired;
pa_cvolume m_chVolume;
private slots:
void userFeed();
bool deviceReady();
void onPulseContextFailed();
private:
void setState(QAudio::State state);
void setError(QAudio::Error error);
int checkBytesReady();
bool open();
void close();
void setPulseVolume();
static void sourceInfoCallback(pa_context *c, const pa_source_info *i, int eol, void *userdata);
static void inputVolumeCallback(pa_context *context, int success, void *userdata);
bool m_pullMode;
bool m_opened;
int m_bytesAvailable;
int m_bufferSize;
int m_periodSize;
int m_intervalTime;
unsigned int m_periodTime;
QTimer *m_timer;
qint64 m_elapsedTimeOffset;
pa_stream *m_stream;
QTime m_timeStamp;
QTime m_clockStamp;
QByteArray m_streamName;
QByteArray m_device;
QByteArray m_tempBuffer;
pa_sample_spec m_spec;
};
class PulseInputPrivate : public QIODevice
{
Q_OBJECT
public:
PulseInputPrivate(QPulseAudioInput *audio);
~PulseInputPrivate() {};
qint64 readData(char *data, qint64 len);
qint64 writeData(const char *data, qint64 len);
void trigger();
private:
QPulseAudioInput *m_audioDevice;
};
QT_END_NAMESPACE
#endif
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