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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qffmpegthread_p.h"
#include <qloggingcategory.h>
QT_BEGIN_NAMESPACE
using namespace QFFmpeg;
void Thread::kill()
{
{
QMutexLocker locker(&mutex);
exit.storeRelease(true);
killHelper();
}
wake();
wait();
delete this;
}
void Thread::maybePause()
{
while (timeOut > 0 || shouldWait()) {
if (exit.loadAcquire())
break;
QElapsedTimer timer;
timer.start();
if (condition.wait(&mutex, QDeadlineTimer(timeOut, Qt::PreciseTimer))) {
if (timeOut >= 0) {
timeOut -= timer.elapsed();
if (timeOut < 0)
timeOut = -1;
}
} else {
timeOut = -1;
}
}
}
void Thread::run()
{
init();
QMutexLocker locker(&mutex);
while (1) {
maybePause();
if (exit.loadAcquire())
break;
loop();
}
cleanup();
}
QT_END_NAMESPACE
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