media/base/simd/yuv_to_rgb_table.h

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