blob: 283eb1c910250adbd18eae4ae890041c1e76c082 (
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
|
/****************************************************************************
**
** 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 DIRECTSHOWOBJECT_H
#define DIRECTSHOWOBJECT_H
#include "directshowglobal.h"
QT_BEGIN_NAMESPACE
#define COM_REF_MIXIN \
volatile ULONG m_ref = 1; \
public: \
STDMETHODIMP_(ULONG) AddRef() override \
{ \
return InterlockedIncrement(&m_ref); \
} \
STDMETHODIMP_(ULONG) Release() override \
{ \
const ULONG ref = InterlockedDecrement(&m_ref); \
if (ref == 0) \
delete this; \
return ref; \
}
QT_END_NAMESPACE
#endif // DIRECTSHOWOBJECT_H
|
