Files
vpx/av1/common/common.h
Yaowu Xu c27fc14b02 Port folder renaming changes from AOM
Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom

Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
2016-08-31 17:26:24 -07:00

81 lines
2.7 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_COMMON_COMMON_H_
#define VP10_COMMON_COMMON_H_
/* Interface header for common constant data structures and lookup tables */
#include <assert.h>
#include "./vpx_config.h"
#include "aom_dsp/vpx_dsp_common.h"
#include "aom_mem/vpx_mem.h"
#include "aom/vpx_integer.h"
#include "aom_ports/bitops.h"
#ifdef __cplusplus
extern "C" {
#endif
#define PI 3.141592653589793238462643383279502884
// Only need this for fixed-size arrays, for structs just assign.
#define vp10_copy(dest, src) \
{ \
assert(sizeof(dest) == sizeof(src)); \
memcpy(dest, src, sizeof(src)); \
}
// Use this for variably-sized arrays.
#define vp10_copy_array(dest, src, n) \
{ \
assert(sizeof(*(dest)) == sizeof(*(src))); \
memcpy(dest, src, n * sizeof(*(src))); \
}
#define vp10_zero(dest) memset(&(dest), 0, sizeof(dest))
#define vp10_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;
}
#if CONFIG_DEBUG
#define CHECK_MEM_ERROR(cm, lval, expr) \
do { \
lval = (expr); \
if (!lval) \
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, \
"Failed to allocate " #lval " at %s:%d", __FILE__, \
__LINE__); \
} while (0)
#else
#define CHECK_MEM_ERROR(cm, lval, expr) \
do { \
lval = (expr); \
if (!lval) \
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, \
"Failed to allocate " #lval); \
} while (0)
#endif
// TODO(yaowu: validate the usage of these codes or develop new ones.)
#define VP10_SYNC_CODE_0 0x49
#define VP10_SYNC_CODE_1 0x83
#define VP10_SYNC_CODE_2 0x43
#define VPX_FRAME_MARKER 0x2
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_COMMON_H_