/* * Copyright (c) 2016, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #ifndef AOM_AOM_PORTS_MEM_H_ #define AOM_AOM_PORTS_MEM_H_ #include "aom/aom_integer.h" #include "config/aom_config.h" #if defined(__GNUC__) || defined(__SUNPRO_C) #define DECLARE_ALIGNED(n, typ, val) … #elif defined(_MSC_VER) #define DECLARE_ALIGNED … #else #warning No alignment directives known for this compiler. #define DECLARE_ALIGNED … #endif #if defined(__has_builtin) #define AOM_HAS_BUILTIN(x) … #else #define AOM_HAS_BUILTIN … #endif #if !AOM_HAS_BUILTIN(__builtin_prefetch) && !defined(__GNUC__) #define __builtin_prefetch … #endif /* Shift down with rounding for use when n >= 0. Usually value >= 0, but the * macro can be used with a negative value if the direction of rounding is * acceptable. */ #define ROUND_POWER_OF_TWO(value, n) … /* Shift down with rounding for signed integers, for use when n >= 0 */ #define ROUND_POWER_OF_TWO_SIGNED(value, n) … /* Shift down with rounding for use when n >= 0 (64-bit value). Usually * value >= 0, but the macro can be used with a negative value if the direction * of rounding is acceptable. */ #define ROUND_POWER_OF_TWO_64(value, n) … /* Shift down with rounding for signed integers, for use when n >= 0 (64-bit * value) */ #define ROUND_POWER_OF_TWO_SIGNED_64(value, n) … /* Shift down with ceil() for use when n >= 0 and value >= 0.*/ #define CEIL_POWER_OF_TWO(value, n) … /* shift right or left depending on sign of n */ #define RIGHT_SIGNED_SHIFT(value, n) … #define ALIGN_POWER_OF_TWO(value, n) … #define ALIGN_POWER_OF_TWO_UNSIGNED(value, n) … #define DIVIDE_AND_ROUND(x, y) … #define CONVERT_TO_SHORTPTR(x) … #define CONVERT_TO_BYTEPTR(x) … /*!\brief force enum to be unsigned 1 byte*/ #define UENUM1BYTE(enumvar) … /*!\brief force enum to be signed 1 byte*/ #define SENUM1BYTE(enumvar) … /*!\brief force enum to be unsigned 2 byte*/ #define UENUM2BYTE(enumvar) … /*!\brief force enum to be signed 2 byte*/ #define SENUM2BYTE(enumvar) … /*!\brief force enum to be unsigned 4 byte*/ #define UENUM4BYTE(enumvar) … /*!\brief force enum to be unsigned 4 byte*/ #define SENUM4BYTE(enumvar) … #endif // AOM_AOM_PORTS_MEM_H_