1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QABSTRACTVIDEOFILTER_H
41#define QABSTRACTVIDEOFILTER_H
42
43#include <QtCore/qobject.h>
44#include <QtMultimedia/qvideoframe.h>
45#include <QtMultimedia/qvideosurfaceformat.h>
46
47QT_BEGIN_NAMESPACE
48
49class QAbstractVideoFilterPrivate;
50
51class Q_MULTIMEDIA_EXPORT QVideoFilterRunnable
52{
53public:
54 enum RunFlag {
55 LastInChain = 0x01
56 };
57 Q_DECLARE_FLAGS(RunFlags, RunFlag)
58
59 virtual ~QVideoFilterRunnable();
60 virtual QVideoFrame run(QVideoFrame *input, const QVideoSurfaceFormat &surfaceFormat, RunFlags flags) = 0;
61};
62
63Q_DECLARE_OPERATORS_FOR_FLAGS(QVideoFilterRunnable::RunFlags)
64
65class Q_MULTIMEDIA_EXPORT QAbstractVideoFilter : public QObject
66{
67 Q_OBJECT
68 Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
69
70public:
71 explicit QAbstractVideoFilter(QObject *parent = nullptr);
72 ~QAbstractVideoFilter();
73
74 bool isActive() const;
75 void setActive(bool v);
76
77 virtual QVideoFilterRunnable *createFilterRunnable() = 0;
78
79Q_SIGNALS:
80 void activeChanged();
81
82private:
83 Q_DECLARE_PRIVATE(QAbstractVideoFilter)
84 Q_DISABLE_COPY(QAbstractVideoFilter)
85
86 QAbstractVideoFilterPrivate *d_ptr;
87};
88
89QT_END_NAMESPACE
90
91#endif // QABSTRACTVIDEOFILTER_H
92