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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qvideoframeconversionhelper_p.h"
#ifdef QT_COMPILER_SUPPORTS_AVX2
QT_BEGIN_NAMESPACE
namespace {
template<int a, int r, int g, int b>
void convert_to_ARGB32_avx2(const QVideoFrame &frame, uchar *output)
{
FETCH_INFO_PACKED(frame)
MERGE_LOOPS(width, height, stride, 4)
quint32 *argb = reinterpret_cast<quint32*>(output);
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
__m256i shuffleMask = _mm256_set_epi8(12 + a, 12 + r, 12 + g, 12 + b,
8 + a, 8 + r, 8 + g, 8 + b,
4 + a, 4 + r, 4 + g, 4 + b,
0 + a, 0 + r, 0 + g, 0 + b,
12 + a, 12 + r, 12 + g, 12 + b,
8 + a, 8 + r, 8 + g, 8 + b,
4 + a, 4 + r, 4 + g, 4 + b,
0 + a, 0 + r, 0 + g, 0 + b);
#else
__m256i shuffleMask = _mm256_set_epi8(15 - a, 15 - r, 15 - g, 15 - b,
11 - a, 11 - r, 11 - g, 11 - b,
7 - a, 7 - r, 7 - g, 7 - b,
3 - a, 3 - r, 3 - g, 3 - b,
15 - a, 15 - r, 15 - g, 15 - b,
11 - a, 11 - r, 11 - g, 11 - b,
7 - a, 7 - r, 7 - g, 7 - b,
3 - a, 3 - r, 3 - g, 3 - b);
#endif
using Pixel = const RgbPixel<a, r, g, b>;
for (int y = 0; y < height; ++y) {
auto *pixel = reinterpret_cast<const Pixel *>(src);
int x = 0;
ALIGN(32, argb, x, width) {
*argb = pixel->convert();
++pixel;
++argb;
}
for (; x < width - 15; x += 16) {
__m256i pixelData = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(pixel));
__m256i pixelData2 = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(pixel + 8));
pixel += 16;
pixelData = _mm256_shuffle_epi8(pixelData, shuffleMask);
pixelData2 = _mm256_shuffle_epi8(pixelData2, shuffleMask);
_mm256_store_si256(reinterpret_cast<__m256i*>(argb), pixelData);
_mm256_store_si256(reinterpret_cast<__m256i*>(argb + 8), pixelData2);
argb += 16;
}
// leftovers
for (; x < width; ++x) {
*argb = pixel->convert();
++pixel;
++argb;
}
src += stride;
}
}
}
void QT_FASTCALL qt_convert_ARGB8888_to_ARGB32_avx2(const QVideoFrame &frame, uchar *output)
{
convert_to_ARGB32_avx2<0, 1, 2, 3>(frame, output);
}
void qt_convert_ABGR8888_to_ARGB32_avx2(const QVideoFrame &frame, uchar *output)
{
convert_to_ARGB32_avx2<0, 3, 2, 1>(frame, output);
}
void qt_convert_RGBA8888_to_ARGB32_avx2(const QVideoFrame &frame, uchar *output)
{
convert_to_ARGB32_avx2<3, 0, 1, 2>(frame, output);
}
void qt_convert_BGRA8888_to_ARGB32_avx2(const QVideoFrame &frame, uchar *output)
{
convert_to_ARGB32_avx2<3, 2, 1, 0>(frame, output);
}
QT_END_NAMESPACE
#endif
|
