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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 QAUDIODECODERCONTROL_H
#define QAUDIODECODERCONTROL_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/qaudiodecoder.h>
#include <QtCore/qpair.h>
#include <QtMultimedia/qaudiobuffer.h>
#include <QtMultimedia/qaudiodecoder.h>
QT_BEGIN_NAMESPACE
class QIODevice;
class Q_MULTIMEDIA_EXPORT QPlatformAudioDecoder : public QObject
{
Q_OBJECT
public:
virtual QUrl source() const = 0;
virtual void setSource(const QUrl &fileName) = 0;
virtual QIODevice* sourceDevice() const = 0;
virtual void setSourceDevice(QIODevice *device) = 0;
virtual void start() = 0;
virtual void stop() = 0;
virtual QAudioFormat audioFormat() const = 0;
virtual void setAudioFormat(const QAudioFormat &format) = 0;
virtual QAudioBuffer read() = 0;
virtual bool bufferAvailable() const = 0;
virtual qint64 position() const = 0;
virtual qint64 duration() const = 0;
void formatChanged(const QAudioFormat &format);
void sourceChanged();
void error(int error, const QString &errorString);
void clearError() { error(QAudioDecoder::NoError, QString()); }
void bufferReady();
void bufferAvailableChanged(bool available);
void setIsDecoding(bool running = true) {
if (m_isDecoding == running)
return;
m_isDecoding = running;
emit q->isDecodingChanged(m_isDecoding);
}
void finished();
bool isDecoding() const { return m_isDecoding; }
void positionChanged(qint64 position);
void durationChanged(qint64 duration);
QAudioDecoder::Error error() const { return m_error; }
QString errorString() const { return m_errorString; }
protected:
explicit QPlatformAudioDecoder(QAudioDecoder *parent);
private:
QAudioDecoder *q = nullptr;
QAudioDecoder::Error m_error = QAudioDecoder::NoError;
QString m_errorString;
bool m_isDecoding = false;
};
QT_END_NAMESPACE
#endif // QAUDIODECODERCONTROL_H
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