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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or 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.GPL2 and 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QANDROIDAUDIODECODER_P_H
#define QANDROIDAUDIODECODER_P_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/qplatformaudiodecoder_p.h"
#include <QtCore/qurl.h>
#include <QtCore/qmutex.h>
#include <QThread>
#include "media/NdkMediaCodec.h"
#include "media/NdkMediaExtractor.h"
#include "media/NdkMediaFormat.h"
#include "media/NdkMediaError.h"
QT_USE_NAMESPACE
class Decoder : public QObject
{
Q_OBJECT
public:
Decoder();
~Decoder();
public slots:
void setSource(const QUrl &source);
void doDecode();
void stop();
signals:
void positionChanged(const QAudioBuffer &buffer, qint64 position);
void durationChanged(const qint64 duration);
void error(const QAudioDecoder::Error error, const QString &errorString);
void finished();
private:
void createDecoder();
AMediaCodec *m_codec = nullptr;
AMediaExtractor *m_extractor = nullptr;
AMediaFormat *m_format = nullptr;
QAudioFormat m_outputFormat;
bool m_inputEOS;
};
class QAndroidAudioDecoder : public QPlatformAudioDecoder
{
Q_OBJECT
public:
QAndroidAudioDecoder(QAudioDecoder *parent);
virtual ~QAndroidAudioDecoder();
QUrl source() const override { return m_source; }
void setSource(const QUrl &fileName) override;
QIODevice *sourceDevice() const override { return m_device; }
void setSourceDevice(QIODevice *device) override;
void start() override;
void stop() override;
QAudioFormat audioFormat() const override { return {}; }
void setAudioFormat(const QAudioFormat &/*format*/) override {}
QAudioBuffer read() override;
bool bufferAvailable() const override;
qint64 position() const override;
qint64 duration() const override;
private slots:
void positionChanged(QAudioBuffer audioBuffer, qint64 position);
void durationChanged(qint64 duration);
void error(const QAudioDecoder::Error error, const QString &errorString);
void readDevice();
void finished();
private:
bool requestPermissions();
bool createTempFile();
void decode();
QIODevice *m_device = nullptr;
Decoder *m_decoder;
QList<QAudioBuffer> m_audioBuffer;
QUrl m_source;
mutable QMutex m_buffersMutex;
qint64 m_position = -1;
qint64 m_duration = -1;
long long m_presentationTimeUs = 0;
int m_buffersAvailable = 0;
QByteArray m_deviceBuffer;
};
QT_END_NAMESPACE
#endif // QANDROIDAUDIODECODER_P_H
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