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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 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 <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();
void decodingChanged(bool decoding);
private:
void createDecoder();
AMediaCodec *m_codec = nullptr;
AMediaExtractor *m_extractor = nullptr;
AMediaFormat *m_format = nullptr;
QAudioFormat m_outputFormat;
QString m_formatError;
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;
signals:
void setSourceUrl(const QUrl &source);
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<QPair<QAudioBuffer, int>> m_audioBuffer;
QUrl m_source;
qint64 m_position = -1;
qint64 m_duration = -1;
long long m_presentationTimeUs = 0;
QByteArray m_deviceBuffer;
QThread *m_threadDecoder = nullptr;
};
QT_END_NAMESPACE
#endif // QANDROIDAUDIODECODER_P_H
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