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
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/simd/convert_rgb_to_yuv.h"
#include "build/build_config.h"
#include "media/base/cpu_features.h"
#include "media/base/simd/convert_rgb_to_yuv_ssse3.h"
namespace media {
void ConvertRGB32ToYUV_SSSE3(const uint8* rgbframe,
uint8* yplane,
uint8* uplane,
uint8* vplane,
int width,
int height,
int rgbstride,
int ystride,
int uvstride) {
#ifdef ENABLE_SUBSAMPLING
for (; height >= 2; height -= 2) {
ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
ConvertARGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
uplane += uvstride;
vplane += uvstride;
}
if (height)
ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
#else
for (; height >= 2; height -= 2) {
ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
rgbframe += rgbstride;
yplane += ystride;
uplane += uvstride;
vplane += uvstride;
}
if (height)
ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
#endif
}
void ConvertRGB24ToYUV_SSSE3(const uint8* rgbframe,
uint8* yplane,
uint8* uplane,
uint8* vplane,
int width,
int height,
int rgbstride,
int ystride,
int uvstride) {
#ifdef ENABLE_SUBSAMPLING
for (; height >= 2; height -= 2) {
ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
ConvertRGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
uplane += uvstride;
vplane += uvstride;
}
if (height)
ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
#else
for (; height >= 2; height -= 2) {
ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
rgbframe += rgbstride;
yplane += ystride;
ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
rgbframe += rgbstride;
yplane += ystride;
uplane += uvstride;
vplane += uvstride;
}
if (height)
ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
#endif
}
} // namespace media
|
