blob: 166a8f6f70d0ad7fa6495cbbfd0bbcb6266e7491 (
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
90
|
/****************************************************************************
**
** Copyright (C) 2021 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef AVFDISPLAYLINK_H
#define AVFDISPLAYLINK_H
#include <QtCore/qobject.h>
#include <QtCore/qmutex.h>
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
#include <CoreVideo/CVBase.h>
#else
#include <QuartzCore/CVDisplayLink.h>
#endif
QT_BEGIN_NAMESPACE
class AVFDisplayLink : public QObject
{
Q_OBJECT
public:
explicit AVFDisplayLink(QObject *parent = nullptr);
virtual ~AVFDisplayLink();
bool isValid() const;
bool isActive() const;
public Q_SLOTS:
void start();
void stop();
Q_SIGNALS:
void tick(const CVTimeStamp &ts);
public:
void displayLinkEvent(const CVTimeStamp *);
protected:
virtual bool event(QEvent *) override;
private:
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
void *m_displayLink;
#else
CVDisplayLinkRef m_displayLink;
#endif
QMutex m_displayLinkMutex;
bool m_pendingDisplayLinkEvent;
bool m_isActive;
CVTimeStamp m_frameTimeStamp;
};
QT_END_NAMESPACE
#endif // AVFDISPLAYLINK_H
|
