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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef YUV_VIDEO_NODE_H
#define YUV_VIDEO_NODE_H
#include <QtQuick/qsgmaterial.h>
#include <QtQuick/qsgnode.h>
QT_FORWARD_DECLARE_CLASS(QSGTexture)
namespace QtWebEngineCore {
// These classes duplicate, QtQuick style, the logic of GLRenderer::DrawYUVVideoQuad.
// Their behavior should stay as close as possible to GLRenderer.
class YUVVideoMaterial : public QSGMaterial
{
public:
enum ColorSpace {
REC_601, // SDTV standard with restricted "studio swing" color range.
REC_709, // HDTV standard with restricted "studio swing" color range.
JPEG // Full color range [0, 255] JPEG color space.
};
YUVVideoMaterial(QSGTexture *yTexture, QSGTexture *uTexture, QSGTexture *vTexture,
const QRectF &yaTexCoordRect, const QRectF &uvTexCoordRect, const QSizeF &yaTexSize, const QSizeF &uvTexSize,
ColorSpace colorspace, float rMul, float rOff);
QSGMaterialType *type() const override
{
static QSGMaterialType theType;
return &theType;
}
QSGMaterialShader *createShader() const override;
int compare(const QSGMaterial *other) const override;
QSGTexture *m_yTexture;
QSGTexture *m_uTexture;
QSGTexture *m_vTexture;
QRectF m_yaTexCoordRect;
QRectF m_uvTexCoordRect;
QSizeF m_yaTexSize;
QSizeF m_uvTexSize;
ColorSpace m_colorSpace;
float m_resourceMultiplier;
float m_resourceOffset;
};
class YUVAVideoMaterial : public YUVVideoMaterial
{
public:
YUVAVideoMaterial(QSGTexture *yTexture, QSGTexture *uTexture, QSGTexture *vTexture, QSGTexture *aTexture,
const QRectF &yaTexCoordRect, const QRectF &uvTexCoordRect, const QSizeF &yaTexSize, const QSizeF &uvTexSize,
ColorSpace colorspace, float rMul, float rOff);
QSGMaterialType *type() const override
{
static QSGMaterialType theType;
return &theType;
}
QSGMaterialShader *createShader() const override;
int compare(const QSGMaterial *other) const override;
QSGTexture *m_aTexture;
};
class YUVVideoNode : public QSGGeometryNode
{
public:
YUVVideoNode(QSGTexture *yTexture, QSGTexture *uTexture, QSGTexture *vTexture, QSGTexture *aTexture,
const QRectF &yaTexCoordRect, const QRectF &uvTexCoordRect, const QSizeF &yaTexSize, const QSizeF &uvTexSize,
YUVVideoMaterial::ColorSpace colorspace, float rMul, float rOff);
void setRect(const QRectF &rect);
private:
QSGGeometry m_geometry;
YUVVideoMaterial *m_material;
};
} // namespace
#endif // YUV_VIDEO_NODE_H
|
