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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
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**
******************************************************************************/
#ifndef AVFAUDIODECODER_H
#define AVFAUDIODECODER_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 <QtMultimedia/private/qtmultimediaglobal_p.h>
#include <QObject>
#include <QtCore/qurl.h>
#include "private/qplatformaudiodecoder_p.h"
#include "qaudiodecoder.h"
#include <dispatch/dispatch.h>
Q_FORWARD_DECLARE_OBJC_CLASS(AVURLAsset);
Q_FORWARD_DECLARE_OBJC_CLASS(AVAssetReader);
Q_FORWARD_DECLARE_OBJC_CLASS(AVAssetReaderTrackOutput);
Q_FORWARD_DECLARE_OBJC_CLASS(AVFResourceReaderDelegate);
QT_BEGIN_NAMESPACE
class AVFAudioDecoder : public QPlatformAudioDecoder
{
Q_OBJECT
public:
AVFAudioDecoder(QAudioDecoder *parent);
virtual ~AVFAudioDecoder();
QUrl source() const override;
void setSource(const QUrl &fileName) override;
QIODevice *sourceDevice() const override;
void setSourceDevice(QIODevice *device) override;
void start() override;
void stop() override;
QAudioFormat audioFormat() const override;
void setAudioFormat(const QAudioFormat &format) override;
QAudioBuffer read() override;
bool bufferAvailable() const override;
qint64 position() const override;
qint64 duration() const override;
private slots:
void handleNewAudioBuffer(QAudioBuffer);
void startReading();
signals:
void newAudioBuffer(QAudioBuffer);
void readyToRead();
private:
void processInvalidMedia(QAudioDecoder::Error errorCode, const QString& errorString);
void initAssetReader();
QUrl m_source;
QIODevice *m_device = nullptr;
QAudioFormat m_format;
int m_buffersAvailable = 0;
QList<QAudioBuffer> m_cachedBuffers;
qint64 m_position = -1;
qint64 m_duration = -1;
bool m_loadingSource = false;
AVURLAsset *m_asset = nullptr;
AVAssetReader *m_reader = nullptr;
AVAssetReaderTrackOutput *m_readerOutput = nullptr;
AVFResourceReaderDelegate *m_readerDelegate = nullptr;
dispatch_queue_t m_readingQueue;
dispatch_queue_t m_decodingQueue;
};
QT_END_NAMESPACE
#endif // AVFAUDIODECODER_H
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