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Issue 10837118: Dead code elimination: scythe.chrome_functions:segment.path %media% edition, round 1. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 8 years, 4 months ago
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« content/common/gpu/media/h264_parser.h ('K') | « media/base/simd/convert_rgb_to_yuv_ssse3.h ('k') | media/base/simd/convert_rgb_to_yuv_unittest.cc » ('j') | no next file with comments »
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/base/simd/convert_rgb_to_yuv.h" 5 #include "media/base/simd/convert_rgb_to_yuv.h"
6 6
7 #include "build/build_config.h" 7 #include "build/build_config.h"
8 #include "media/base/simd/convert_rgb_to_yuv_ssse3.h" 8 #include "media/base/simd/convert_rgb_to_yuv_ssse3.h"
9 9
10 namespace media { 10 namespace media {
11 11
12 void ConvertRGB32ToYUV_SSSE3(const uint8* rgbframe, 12 void ConvertRGB32ToYUV_SSSE3(const uint8* rgbframe,
13 uint8* yplane, 13 uint8* yplane,
14 uint8* uplane, 14 uint8* uplane,
15 uint8* vplane, 15 uint8* vplane,
16 int width, 16 int width,
17 int height, 17 int height,
18 int rgbstride, 18 int rgbstride,
19 int ystride, 19 int ystride,
20 int uvstride) { 20 int uvstride) {
21 #ifdef ENABLE_SUBSAMPLING
22 for (; height >= 2; height -= 2) {
23 ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
24 rgbframe += rgbstride;
25 yplane += ystride;
26
27 ConvertARGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
28 rgbframe += rgbstride;
29 yplane += ystride;
30
31 uplane += uvstride;
32 vplane += uvstride;
33 }
34
35 if (height)
36 ConvertARGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
37 #else
38 for (; height >= 2; height -= 2) { 21 for (; height >= 2; height -= 2) {
39 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width); 22 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
40 rgbframe += rgbstride; 23 rgbframe += rgbstride;
41 yplane += ystride; 24 yplane += ystride;
42 25
43 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width); 26 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
44 rgbframe += rgbstride; 27 rgbframe += rgbstride;
45 yplane += ystride; 28 yplane += ystride;
46 29
47 uplane += uvstride; 30 uplane += uvstride;
48 vplane += uvstride; 31 vplane += uvstride;
49 } 32 }
50 33
51 if (height) 34 if (height)
52 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width); 35 ConvertARGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
53 #endif
54 } 36 }
55 37
56 void ConvertRGB24ToYUV_SSSE3(const uint8* rgbframe, 38 void ConvertRGB24ToYUV_SSSE3(const uint8* rgbframe,
57 uint8* yplane, 39 uint8* yplane,
58 uint8* uplane, 40 uint8* uplane,
59 uint8* vplane, 41 uint8* vplane,
60 int width, 42 int width,
61 int height, 43 int height,
62 int rgbstride, 44 int rgbstride,
63 int ystride, 45 int ystride,
64 int uvstride) { 46 int uvstride) {
65 #ifdef ENABLE_SUBSAMPLING
66 for (; height >= 2; height -= 2) {
67 ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
68 rgbframe += rgbstride;
69 yplane += ystride;
70
71 ConvertRGBToYUVOdd_SSSE3(rgbframe, yplane, uplane, vplane, width);
72 rgbframe += rgbstride;
73 yplane += ystride;
74
75 uplane += uvstride;
76 vplane += uvstride;
77 }
78
79 if (height)
80 ConvertRGBToYUVEven_SSSE3(rgbframe, yplane, uplane, vplane, width);
81 #else
82 for (; height >= 2; height -= 2) { 47 for (; height >= 2; height -= 2) {
83 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width); 48 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
84 rgbframe += rgbstride; 49 rgbframe += rgbstride;
85 yplane += ystride; 50 yplane += ystride;
86 51
87 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width); 52 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, NULL, NULL, width);
88 rgbframe += rgbstride; 53 rgbframe += rgbstride;
89 yplane += ystride; 54 yplane += ystride;
90 55
91 uplane += uvstride; 56 uplane += uvstride;
92 vplane += uvstride; 57 vplane += uvstride;
93 } 58 }
94 59
95 if (height) 60 if (height)
96 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width); 61 ConvertRGBToYUVRow_SSSE3(rgbframe, yplane, uplane, vplane, width);
97 #endif
98 } 62 }
99 63
100 } // namespace media 64 } // namespace media
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« content/common/gpu/media/h264_parser.h ('K') | « media/base/simd/convert_rgb_to_yuv_ssse3.h ('k') | media/base/simd/convert_rgb_to_yuv_unittest.cc » ('j') | no next file with comments »

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