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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QOPENSLESAUDIOINPUT_H
#define QOPENSLESAUDIOINPUT_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 <QElapsedTimer>
#include <SLES/OpenSLES.h>
#ifdef ANDROID
#include <SLES/OpenSLES_Android.h>
#define QT_ANDROID_PRESET_MIC "mic"
#define QT_ANDROID_PRESET_CAMCORDER "camcorder"
#define QT_ANDROID_PRESET_VOICE_RECOGNITION "voicerecognition"
#define QT_ANDROID_PRESET_VOICE_COMMUNICATION "voicecommunication"
#endif
QT_BEGIN_NAMESPACE
class QOpenSLESEngine;
class QIODevice;
class QBuffer;
class QAndroidAudioSource : public QPlatformAudioSource
{
Q_OBJECT
public:
QAndroidAudioSource(const QByteArray &device, QObject *parent);
~QAndroidAudioSource();
void start(QIODevice *device);
QIODevice *start();
void stop();
void reset();
void suspend();
void resume();
qsizetype bytesReady() const;
void setBufferSize(qsizetype value);
qsizetype bufferSize() const;
qint64 processedUSecs() const;
QAudio::Error error() const;
QAudio::State state() const;
void setFormat(const QAudioFormat &format);
QAudioFormat format() const;
void setVolume(qreal volume);
qreal volume() const;
public Q_SLOTS:
void processBuffer();
private:
bool startRecording();
void stopRecording();
void writeDataToDevice(const char *data, int size);
void flushBuffers();
QByteArray m_device;
QOpenSLESEngine *m_engine;
SLObjectItf m_recorderObject;
SLRecordItf m_recorder;
#ifdef ANDROID
SLuint32 m_recorderPreset;
SLAndroidSimpleBufferQueueItf m_bufferQueue;
#else
SLBufferQueueItf m_bufferQueue;
#endif
bool m_pullMode;
qint64 m_processedBytes;
QIODevice *m_audioSource;
QBuffer *m_bufferIODevice;
QByteArray m_pushBuffer;
QAudioFormat m_format;
QAudio::Error m_errorState;
QAudio::State m_deviceState;
qint64 m_lastNotifyTime;
qreal m_volume;
int m_bufferSize;
QByteArray *m_buffers;
int m_currentBuffer;
};
QT_END_NAMESPACE
#endif // QOPENSLESAUDIOINPUT_H
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