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
|
/****************************************************************************
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qvideoframeconversionhelper_p.h"
#ifdef QT_COMPILER_SUPPORTS_SSSE3
QT_BEGIN_NAMESPACE
void QT_FASTCALL qt_convert_BGRA32_to_ARGB32_ssse3(const QVideoFrame &frame, uchar *output)
{
FETCH_INFO_PACKED(frame)
MERGE_LOOPS(width, height, stride, 4)
quint32 *argb = reinterpret_cast<quint32*>(output);
__m128i shuffleMask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11, 4, 5, 6, 7, 0, 1, 2, 3);
for (int y = 0; y < height; ++y) {
const quint32 *bgra = reinterpret_cast<const quint32*>(src);
int x = 0;
ALIGN(16, argb, x, width) {
*argb = qConvertBGRA32ToARGB32(*bgra);
++bgra;
++argb;
}
for (; x < width - 7; x += 8) {
__m128i pixelData = _mm_loadu_si128(reinterpret_cast<const __m128i*>(bgra));
__m128i pixelData2 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(bgra + 4));
bgra += 8;
pixelData = _mm_shuffle_epi8(pixelData, shuffleMask);
pixelData2 = _mm_shuffle_epi8(pixelData2, shuffleMask);
_mm_store_si128(reinterpret_cast<__m128i*>(argb), pixelData);
_mm_store_si128(reinterpret_cast<__m128i*>(argb + 4), pixelData2);
argb += 8;
}
// leftovers
for (; x < width; ++x) {
*argb = qConvertBGRA32ToARGB32(*bgra);
++bgra;
++argb;
}
src += stride;
}
}
QT_END_NAMESPACE
#endif
|
