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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 QFFMPEGPLAYBACKENGINEOBJECT_P_H
#define QFFMPEGPLAYBACKENGINEOBJECT_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 "playbackengine/qffmpegplaybackenginedefs_p.h"
#include "qthread.h"
#include "qtimer.h"
#include <atomic>
QT_BEGIN_NAMESPACE
namespace QFFmpeg::PlaybackEngineInternal {
class PlaybackEngineObject : public QObject
{
Q_OBJECT
public:
using TimePoint = std::chrono::steady_clock::time_point;
using TimePointOpt = std::optional<TimePoint>;
bool isPaused() const;
bool isAtEnd() const;
void kill();
void setPaused(bool isPaused);
signals:
void atEnd();
void error(int code, const QString &errorString);
protected:
QTimer &timer();
void scheduleNextStep(bool allowDoImmediatelly = true);
virtual void onPauseChanged();
virtual bool canDoNextStep() const;
virtual int timerInterval() const;
void setAtEnd(bool isAtEnd);
virtual void doNextStep() { }
private:
QTimer *m_timer = nullptr;
std::atomic_bool m_paused = true;
std::atomic_bool m_atEnd = false;
std::atomic_bool m_deleting = false;
};
}
QT_END_NAMESPACE
#endif // QFFMPEGPLAYBACKENGINEOBJECT_P_H
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