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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // Defines convertion table from YUV to RGB. | 5 // Defines convertion table from YUV to RGB. |
6 | 6 |
7 #ifndef MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ | 7 #ifndef MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ |
8 #define MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ | 8 #define MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "build/build_config.h" | 11 #include "build/build_config.h" |
12 | 12 |
13 extern "C" { | 13 extern "C" { |
14 | 14 |
15 #if defined(COMPILER_MSVC) | 15 #if defined(COMPILER_MSVC) |
16 #define SIMD_ALIGNED(var) __declspec(align(16)) var | 16 #define SIMD_ALIGNED(var) __declspec(align(16)) var |
17 #else | 17 #else |
18 #define SIMD_ALIGNED(var) var __attribute__((aligned(16))) | 18 #define SIMD_ALIGNED(var) var __attribute__((aligned(16))) |
19 #endif | 19 #endif |
20 | 20 |
21 // Align the table to 16-bytes to allow faster reading. | 21 // Align the table to 16-bytes to allow faster reading. |
22 extern SIMD_ALIGNED(int16 kCoefficientsRgbY[256 * 4][4]); | 22 extern SIMD_ALIGNED(const int16 kCoefficientsRgbY[256 * 4][4]); |
23 | 23 |
24 } // extern "C" | 24 } // extern "C" |
25 | 25 |
26 #endif // MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ | 26 #endif // MEDIA_BASE_SIMD_YUV_TO_RGB_TABLE_H_ |
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