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Side by Side Diff: source/libvpx/vp9/common/vp9_common.h

Issue 1162573005: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 6 months ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #ifndef VP9_COMMON_VP9_COMMON_H_ 11 #ifndef VP9_COMMON_VP9_COMMON_H_
12 #define VP9_COMMON_VP9_COMMON_H_ 12 #define VP9_COMMON_VP9_COMMON_H_
13 13
14 /* Interface header for common constant data structures and lookup tables */ 14 /* Interface header for common constant data structures and lookup tables */
15 15
16 #include <assert.h> 16 #include <assert.h>
17 17
18 #include "./vpx_config.h" 18 #include "./vpx_config.h"
19 #include "vpx_mem/vpx_mem.h" 19 #include "vpx_mem/vpx_mem.h"
20 #include "vpx/vpx_integer.h" 20 #include "vpx/vpx_integer.h"
21 #include "vp9/common/vp9_systemdependent.h" 21 #include "vp9/common/vp9_systemdependent.h"
22 22
23 #ifdef __cplusplus 23 #ifdef __cplusplus
24 extern "C" { 24 extern "C" {
25 #endif 25 #endif
26 26
27 #define MIN(x, y) (((x) < (y)) ? (x) : (y)) 27 #define MIN(x, y) (((x) < (y)) ? (x) : (y))
28 #define MAX(x, y) (((x) > (y)) ? (x) : (y)) 28 #define MAX(x, y) (((x) > (y)) ? (x) : (y))
29 29
30 #define ROUND_POWER_OF_TWO(value, n) \
31 (((value) + (1 << ((n) - 1))) >> (n))
32
33 #define ALIGN_POWER_OF_TWO(value, n) \
34 (((value) + ((1 << (n)) - 1)) & ~((1 << (n)) - 1))
35
36 // Only need this for fixed-size arrays, for structs just assign. 30 // Only need this for fixed-size arrays, for structs just assign.
37 #define vp9_copy(dest, src) { \ 31 #define vp9_copy(dest, src) { \
38 assert(sizeof(dest) == sizeof(src)); \ 32 assert(sizeof(dest) == sizeof(src)); \
39 memcpy(dest, src, sizeof(src)); \ 33 memcpy(dest, src, sizeof(src)); \
40 } 34 }
41 35
42 // Use this for variably-sized arrays. 36 // Use this for variably-sized arrays.
43 #define vp9_copy_array(dest, src, n) { \ 37 #define vp9_copy_array(dest, src, n) { \
44 assert(sizeof(*dest) == sizeof(*src)); \ 38 assert(sizeof(*dest) == sizeof(*src)); \
45 memcpy(dest, src, n * sizeof(*src)); \ 39 memcpy(dest, src, n * sizeof(*src)); \
(...skipping 30 matching lines...) Expand all
76 return (uint16_t)clamp(val, 0, 4095); 70 return (uint16_t)clamp(val, 0, 4095);
77 } 71 }
78 } 72 }
79 73
80 // Note: 74 // Note:
81 // tran_low_t is the datatype used for final transform coefficients. 75 // tran_low_t is the datatype used for final transform coefficients.
82 // tran_high_t is the datatype used for intermediate transform stages. 76 // tran_high_t is the datatype used for intermediate transform stages.
83 typedef int64_t tran_high_t; 77 typedef int64_t tran_high_t;
84 typedef int32_t tran_low_t; 78 typedef int32_t tran_low_t;
85 79
86 #define CONVERT_TO_SHORTPTR(x) ((uint16_t*)(((uintptr_t)x) << 1))
87 #define CONVERT_TO_BYTEPTR(x) ((uint8_t*)(((uintptr_t)x) >> 1 ))
88
89 #else 80 #else
90 81
91 // Note: 82 // Note:
92 // tran_low_t is the datatype used for final transform coefficients. 83 // tran_low_t is the datatype used for final transform coefficients.
93 // tran_high_t is the datatype used for intermediate transform stages. 84 // tran_high_t is the datatype used for intermediate transform stages.
94 typedef int32_t tran_high_t; 85 typedef int32_t tran_high_t;
95 typedef int16_t tran_low_t; 86 typedef int16_t tran_low_t;
96 #endif // CONFIG_VP9_HIGHBITDEPTH 87 #endif // CONFIG_VP9_HIGHBITDEPTH
97 88
98 #if CONFIG_DEBUG 89 #if CONFIG_DEBUG
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117 #define VP9_SYNC_CODE_2 0x42 108 #define VP9_SYNC_CODE_2 0x42
118 109
119 #define VP9_FRAME_MARKER 0x2 110 #define VP9_FRAME_MARKER 0x2
120 111
121 112
122 #ifdef __cplusplus 113 #ifdef __cplusplus
123 } // extern "C" 114 } // extern "C"
124 #endif 115 #endif
125 116
126 #endif // VP9_COMMON_VP9_COMMON_H_ 117 #endif // VP9_COMMON_VP9_COMMON_H_
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