blob: bc825004e12f320211423557a218eb4a10c3f6cb (
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) 2023 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 "qimagevideobuffer_p.h"
#include "qvideoframeformat.h"
QT_BEGIN_NAMESPACE
namespace {
QImage::Format fixImageFormat(QImage::Format format)
{
switch (format) {
case QImage::Format_ARGB32_Premultiplied:
case QImage::Format_ARGB8565_Premultiplied:
case QImage::Format_ARGB6666_Premultiplied:
case QImage::Format_ARGB8555_Premultiplied:
case QImage::Format_ARGB4444_Premultiplied:
case QImage::Format_RGBA8888_Premultiplied:
case QImage::Format_A2BGR30_Premultiplied:
case QImage::Format_A2RGB30_Premultiplied:
case QImage::Format_RGBA64_Premultiplied:
case QImage::Format_RGBA16FPx4_Premultiplied:
case QImage::Format_RGBA32FPx4_Premultiplied:
return QImage::Format_ARGB32_Premultiplied;
case QImage::Format_ARGB32:
case QImage::Format_RGBA8888:
case QImage::Format_Alpha8:
case QImage::Format_RGBA64:
case QImage::Format_RGBA16FPx4:
case QImage::Format_RGBA32FPx4:
return QImage::Format_ARGB32;
case QImage::Format_Invalid:
return QImage::Format_Invalid;
default:
return QImage::Format_RGB32;
}
}
QImage fixImage(QImage image)
{
if (image.format() == QImage::Format_Invalid)
return image;
const auto frameFormat = QVideoFrameFormat::pixelFormatFromImageFormat(image.format());
if (frameFormat != QVideoFrameFormat::Format_Invalid)
return image;
return image.convertToFormat(fixImageFormat(image.format()));
}
} // namespace
QImageVideoBuffer::QImageVideoBuffer(QImage image)
: QAbstractVideoBuffer(QVideoFrame::NoHandle), m_image(fixImage(std::move(image)))
{
}
QVideoFrame::MapMode QImageVideoBuffer::mapMode() const
{
return m_mapMode;
}
QAbstractVideoBuffer::MapData QImageVideoBuffer::map(QVideoFrame::MapMode mode)
{
MapData mapData;
if (m_mapMode == QVideoFrame::NotMapped && !m_image.isNull()
&& mode != QVideoFrame::NotMapped) {
m_mapMode = mode;
mapData.nPlanes = 1;
mapData.bytesPerLine[0] = m_image.bytesPerLine();
mapData.data[0] = m_image.bits();
mapData.size[0] = m_image.sizeInBytes();
}
return mapData;
}
void QImageVideoBuffer::unmap()
{
m_mapMode = QVideoFrame::NotMapped;
}
QImage QImageVideoBuffer::underlyingImage() const
{
return m_image;
}
QT_END_NAMESPACE
|
