blob: 20a045849ac0f31e92fc6ee48187393e9e722488 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// 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
#include "playbackengine/qffmpegplaybackengineobject_p.h"
QT_BEGIN_NAMESPACE
namespace QFFmpeg::PlaybackEngineInternal {
bool PlaybackEngineObject::isPaused() const
{
return m_paused;
}
void PlaybackEngineObject::setAtEnd(bool isAtEnd)
{
if (m_atEnd.exchange(isAtEnd) != isAtEnd)
emit atEnd();
}
bool PlaybackEngineObject::isAtEnd() const
{
return m_atEnd;
}
void PlaybackEngineObject::setPaused(bool isPaused)
{
if (m_paused.exchange(isPaused) != isPaused)
QMetaObject::invokeMethod(this, &PlaybackEngineObject::onPauseChanged);
}
void PlaybackEngineObject::kill()
{
m_deleting = true;
setPaused(true);
disconnect();
deleteLater();
}
bool PlaybackEngineObject::canDoNextStep() const
{
return !m_paused;
}
QTimer &PlaybackEngineObject::timer()
{
if (!m_timer) {
m_timer = new QTimer(this);
m_timer->setTimerType(Qt::PreciseTimer);
m_timer->setSingleShot(true);
connect(m_timer, &QTimer::timeout, this, [this]() {
if (!m_deleting && canDoNextStep())
doNextStep();
});
}
return *m_timer;
}
int PlaybackEngineObject::timerInterval() const
{
return 0;
}
void PlaybackEngineObject::onPauseChanged()
{
scheduleNextStep();
}
void PlaybackEngineObject::scheduleNextStep(bool allowDoImmediatelly)
{
if (!m_deleting && canDoNextStep()) {
const auto interval = timerInterval();
if (interval == 0 && allowDoImmediatelly) {
timer().stop();
doNextStep();
} else {
timer().start(interval);
}
} else {
timer().stop();
}
}
}
QT_END_NAMESPACE
#include "moc_qffmpegplaybackengineobject_p.cpp"
|
