/*****************************************************************************
* Copyright (C) 2023 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* ( at your option ) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef DELAYESTIMATOR
#define DELAYESTIMATOR
#pragma once
#include <QObject>
#include <QEvent>
#include "qt.hpp"
#include "util/vlctick.hpp"
class VLCDuration;
class DelayEstimator : public QObject
{
Q_OBJECT
Q_PROPERTY(bool isHeardTimeMarked READ isHeardTimeMarked NOTIFY heardTimeChanged FINAL)
Q_PROPERTY(bool isSpottedTimeMarked READ isSpottedTimeMarked NOTIFY spottedTimeChanged FINAL)
Q_PROPERTY(VLCDuration delay READ getDelay NOTIFY delayChanged FINAL)
public:
explicit DelayEstimator(QObject* parent = nullptr);
~DelayEstimator();
bool isHeardTimeMarked();
bool isSpottedTimeMarked();
void calculateDelay();
VLCDuration getDelay();
Q_INVOKABLE void markHeardTime();
Q_INVOKABLE void markSpottedTime();
Q_INVOKABLE void reset();
signals:
void heardTimeChanged();
void spottedTimeChanged();
void delayChanged();
private:
VLCTime m_heardTime;
VLCTime m_spottedTime;
VLCDuration m_delay;
};
#endif
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