64 строки
1.9 KiB
C
64 строки
1.9 KiB
C
/*
|
|
* 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_config.h"
|
|
#include "aom_dsp/aom_dsp_common.h"
|
|
#include "aom_mem/aom_mem.h"
|
|
#include "aom/aom_integer.h"
|
|
#include "aom_ports/bitops.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// 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)
|
|
// TODO(yaowu: validate the usage of these codes or develop new ones.)
|
|
#define AV1_SYNC_CODE_0 0x49
|
|
#define AV1_SYNC_CODE_1 0x83
|
|
#define AV1_SYNC_CODE_2 0x43
|
|
|
|
#define AOM_FRAME_MARKER 0x2
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // AV1_COMMON_COMMON_H_
|