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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
3 // found in the LICENSE file.
4 
5 #if defined(_MSC_VER)
6 #include <intrin.h>
7 #else
8 #include <mmintrin.h>
9 #endif
10 
11 #include "media/base/simd/convert_yuv_to_rgb.h"
12 #include "media/base/yuv_convert.h"
13 
14 namespace media {
15 
ConvertYUVToRGB32_MMX(const uint8 * yplane,const uint8 * uplane,const uint8 * vplane,uint8 * rgbframe,int width,int height,int ystride,int uvstride,int rgbstride,YUVType yuv_type)16 void ConvertYUVToRGB32_MMX(const uint8* yplane,
17                            const uint8* uplane,
18                            const uint8* vplane,
19                            uint8* rgbframe,
20                            int width,
21                            int height,
22                            int ystride,
23                            int uvstride,
24                            int rgbstride,
25                            YUVType yuv_type) {
26   unsigned int y_shift = yuv_type;
27   for (int y = 0; y < height; ++y) {
28     uint8* rgb_row = rgbframe + y * rgbstride;
29     const uint8* y_ptr = yplane + y * ystride;
30     const uint8* u_ptr = uplane + (y >> y_shift) * uvstride;
31     const uint8* v_ptr = vplane + (y >> y_shift) * uvstride;
32 
33     ConvertYUVToRGB32Row_MMX(y_ptr,
34                              u_ptr,
35                              v_ptr,
36                              rgb_row,
37                              width);
38   }
39 
40   EmptyRegisterState();
41 }
42 
ConvertYUVAToARGB_MMX(const uint8 * yplane,const uint8 * uplane,const uint8 * vplane,const uint8 * aplane,uint8 * rgbframe,int width,int height,int ystride,int uvstride,int astride,int rgbstride,YUVType yuv_type)43 void ConvertYUVAToARGB_MMX(const uint8* yplane,
44                            const uint8* uplane,
45                            const uint8* vplane,
46                            const uint8* aplane,
47                            uint8* rgbframe,
48                            int width,
49                            int height,
50                            int ystride,
51                            int uvstride,
52                            int astride,
53                            int rgbstride,
54                            YUVType yuv_type) {
55   unsigned int y_shift = yuv_type;
56   for (int y = 0; y < height; ++y) {
57     uint8* rgb_row = rgbframe + y * rgbstride;
58     const uint8* y_ptr = yplane + y * ystride;
59     const uint8* u_ptr = uplane + (y >> y_shift) * uvstride;
60     const uint8* v_ptr = vplane + (y >> y_shift) * uvstride;
61     const uint8* a_ptr = aplane + y * astride;
62 
63     ConvertYUVAToARGBRow_MMX(y_ptr,
64                              u_ptr,
65                              v_ptr,
66                              a_ptr,
67                              rgb_row,
68                              width);
69   }
70 
71   EmptyRegisterState();
72 }
73 
ConvertYUVToRGB32_SSE(const uint8 * yplane,const uint8 * uplane,const uint8 * vplane,uint8 * rgbframe,int width,int height,int ystride,int uvstride,int rgbstride,YUVType yuv_type)74 void ConvertYUVToRGB32_SSE(const uint8* yplane,
75                            const uint8* uplane,
76                            const uint8* vplane,
77                            uint8* rgbframe,
78                            int width,
79                            int height,
80                            int ystride,
81                            int uvstride,
82                            int rgbstride,
83                            YUVType yuv_type) {
84   unsigned int y_shift = yuv_type;
85   for (int y = 0; y < height; ++y) {
86     uint8* rgb_row = rgbframe + y * rgbstride;
87     const uint8* y_ptr = yplane + y * ystride;
88     const uint8* u_ptr = uplane + (y >> y_shift) * uvstride;
89     const uint8* v_ptr = vplane + (y >> y_shift) * uvstride;
90 
91     ConvertYUVToRGB32Row_SSE(y_ptr,
92                              u_ptr,
93                              v_ptr,
94                              rgb_row,
95                              width);
96   }
97 
98   EmptyRegisterState();
99 }
100 
101 }  // namespace media
102