/* * 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 AV1_COMMON_COMMON_H_ #define AV1_COMMON_COMMON_H_ /* Interface header for common constant data structures and lookup tables */ #include <assert.h> #include "aom_dsp/aom_dsp_common.h" #include "aom_mem/aom_mem.h" #include "aom/aom_integer.h" #include "aom_ports/bitops.h" #include "config/aom_config.h" #ifdef __cplusplus extern "C" { #endif #define PI 3.141592653589793238462643383279502884 // Only need this for fixed-size arrays, for structs just assign. #define av1_copy(dest, src) \ { \ assert(sizeof(dest) == sizeof(src)); \ memcpy(dest, src, sizeof(src)); \ } // Use this for variably-sized arrays. #define av1_copy_array(dest, src, n) \ { \ assert(sizeof(*(dest)) == sizeof(*(src))); \ memcpy(dest, src, n * sizeof(*(src))); \ } #define av1_zero(dest) memset(&(dest), 0, sizeof(dest)) #define av1_zero_array(dest, n) memset(dest, 0, n * sizeof(*(dest))) static INLINE int get_unsigned_bits(unsigned int num_values) { return num_values > 0 ? get_msb(num_values) + 1 : 0; } #define CHECK_MEM_ERROR(cm, lval, expr) \ AOM_CHECK_MEM_ERROR(&cm->error, lval, expr) #define AOM_FRAME_MARKER 0x2 #define AV1_MIN_TILE_SIZE_BYTES 1 #ifdef __cplusplus } // extern "C" #endif #endif // AV1_COMMON_COMMON_H_