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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Neptune 3 UI.
**
** $QT_BEGIN_LICENSE:GPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: GPL-3.0
**
****************************************************************************/
#ifndef ALEXAINTERFACE_QTMICROPHONEWRAPPER_H
#define ALEXAINTERFACE_QTMICROPHONEWRAPPER_H
#include <AVSCommon/AVS/AudioInputStream.h>
#include <Audio/MicrophoneInterface.h>
#include <QAudioInput>
#include <QIODevice>
using namespace alexaClientSDK;
class QtMicrophoneWrapper
: public QObject
, public applicationUtilities::resources::audio::MicrophoneInterface {
Q_OBJECT
public:
/**
* Creates a @c QtMicrophoneWrapper.
*
* @param stream The shared data stream to write to.
* @return A unique_ptr to a @c QtMicrophoneWrapper if creation was successful and @c nullptr otherwise.
*/
static std::unique_ptr<QtMicrophoneWrapper> create(std::shared_ptr<avsCommon::avs::AudioInputStream> stream,
const QString &deviceName);
/**
* Stops streaming from the microphone.
*
* @return Whether the stop was successful.
*/
bool stopStreamingMicrophoneData() override;
/**
* Starts streaming from the microphone.
*
* @return Whether the start was successful.
*/
bool startStreamingMicrophoneData() override;
virtual ~QtMicrophoneWrapper() override;
private:
/**
* Constructor.
* @param stream The shared data stream to write to.
*/
QtMicrophoneWrapper(std::shared_ptr<avsCommon::avs::AudioInputStream> stream);
QAudioDeviceInfo m_audioInfo;
QAudioInput *m_audioInput = nullptr;
QIODevice *m_audioInputIODevice = nullptr;
int m_readAudioDataBytes = 0;
QByteArray m_readAudioData;
/// Initializes Audio
bool initialize(const QString &deviceName);
void setAudioDevice(const QString &deviceName);
/// The stream of audio data.
const std::shared_ptr<avsCommon::avs::AudioInputStream> m_audioInputStream;
/// The writer that will be used to writer audio data into the sds.
std::shared_ptr<avsCommon::avs::AudioInputStream::Writer> m_writer;
};
#endif // ALEXAINTERFACE_QTMICROPHONEWRAPPER_H
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