| // Copyright (c) 2012 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. |
| |
| #ifndef COBALT_MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_SSSE3_H_ |
| #define COBALT_MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_SSSE3_H_ |
| |
| #include "starboard/types.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // The header file for ASM functions that convert a row of RGB pixels with SSSE3 |
| // instructions so we can call them from C++ code. These functions are |
| // implemented in "convert_rgb_to_yuv_ssse3.asm". |
| |
| // We use ptrdiff_t instead of int for yasm routine parameters to portably |
| // sign-extend int. On Win64, MSVC does not sign-extend the value in the stack |
| // home of int function parameters, and yasm routines are unaware of this lack |
| // of extension and fault. ptrdiff_t is portably sign-extended and fixes this |
| // issue on at least Win64. |
| |
| // Convert a row of 24-bit RGB pixels to YV12 pixels. |
| void ConvertRGBToYUVRow_SSSE3(const uint8_t* rgb, uint8_t* y, uint8_t* u, |
| uint8_t* v, ptrdiff_t width); |
| |
| // Convert a row of 32-bit RGB pixels to YV12 pixels. |
| void ConvertARGBToYUVRow_SSSE3(const uint8_t* argb, uint8_t* y, uint8_t* u, |
| uint8_t* v, ptrdiff_t width); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // COBALT_MEDIA_BASE_SIMD_CONVERT_RGB_TO_YUV_SSSE3_H_ |