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/*
* 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_
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