media/libvpx/vp9/common/vp9_common_data.c@b8a032363ba2
media/libvpx/vp9/common/vp9_common_data.c
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
12 #include "vp9/common/vp9_blockd.h"
13 #include "vp9/common/vp9_common_data.h"
15 // Log 2 conversion lookup tables for block width and height
16 const int b_width_log2_lookup[BLOCK_SIZES] =
17 {0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4};
18 const int b_height_log2_lookup[BLOCK_SIZES] =
19 {0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4};
20 const int num_4x4_blocks_wide_lookup[BLOCK_SIZES] =
21 {1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16};
22 const int num_4x4_blocks_high_lookup[BLOCK_SIZES] =
23 {1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16};
24 // Log 2 conversion lookup tables for modeinfo width and height
25 const int mi_width_log2_lookup[BLOCK_SIZES] =
26 {0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3};
27 const int num_8x8_blocks_wide_lookup[BLOCK_SIZES] =
28 {1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8};
29 const int mi_height_log2_lookup[BLOCK_SIZES] =
30 {0, 0, 0, 0, 1, 0, 1, 2, 1, 2, 3, 2, 3};
31 const int num_8x8_blocks_high_lookup[BLOCK_SIZES] =
32 {1, 1, 1, 1, 2, 1, 2, 4, 2, 4, 8, 4, 8};
34 // MIN(3, MIN(b_width_log2(bsize), b_height_log2(bsize)))
35 const int size_group_lookup[BLOCK_SIZES] =
36 {0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3};
38 const int num_pels_log2_lookup[BLOCK_SIZES] =
39 {4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12};
42 const PARTITION_TYPE partition_lookup[][BLOCK_SIZES] = {
43 { // 4X4
44 // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
45 PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID,
46 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
47 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
48 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
49 PARTITION_INVALID
50 }, { // 8X8
51 // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
52 PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE,
53 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
54 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
55 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID
56 }, { // 16X16
57 // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
58 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
59 PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
60 PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
61 PARTITION_INVALID, PARTITION_INVALID
62 }, { // 32X32
63 // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
64 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
65 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT,
66 PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
67 PARTITION_INVALID, PARTITION_INVALID
68 }, { // 64X64
69 // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
70 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
71 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
72 PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ,
73 PARTITION_NONE
74 }
75 };
77 const BLOCK_SIZE subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = {
78 { // PARTITION_NONE
79 BLOCK_4X4, BLOCK_4X8, BLOCK_8X4,
80 BLOCK_8X8, BLOCK_8X16, BLOCK_16X8,
81 BLOCK_16X16, BLOCK_16X32, BLOCK_32X16,
82 BLOCK_32X32, BLOCK_32X64, BLOCK_64X32,
83 BLOCK_64X64,
84 }, { // PARTITION_HORZ
85 BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
86 BLOCK_8X4, BLOCK_INVALID, BLOCK_INVALID,
87 BLOCK_16X8, BLOCK_INVALID, BLOCK_INVALID,
88 BLOCK_32X16, BLOCK_INVALID, BLOCK_INVALID,
89 BLOCK_64X32,
90 }, { // PARTITION_VERT
91 BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
92 BLOCK_4X8, BLOCK_INVALID, BLOCK_INVALID,
93 BLOCK_8X16, BLOCK_INVALID, BLOCK_INVALID,
94 BLOCK_16X32, BLOCK_INVALID, BLOCK_INVALID,
95 BLOCK_32X64,
96 }, { // PARTITION_SPLIT
97 BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
98 BLOCK_4X4, BLOCK_INVALID, BLOCK_INVALID,
99 BLOCK_8X8, BLOCK_INVALID, BLOCK_INVALID,
100 BLOCK_16X16, BLOCK_INVALID, BLOCK_INVALID,
101 BLOCK_32X32,
102 }
103 };
105 const TX_SIZE max_txsize_lookup[BLOCK_SIZES] = {
106 TX_4X4, TX_4X4, TX_4X4,
107 TX_8X8, TX_8X8, TX_8X8,
108 TX_16X16, TX_16X16, TX_16X16,
109 TX_32X32, TX_32X32, TX_32X32, TX_32X32
110 };
111 const TX_SIZE max_uv_txsize_lookup[BLOCK_SIZES] = {
112 TX_4X4, TX_4X4, TX_4X4,
113 TX_4X4, TX_4X4, TX_4X4,
114 TX_8X8, TX_8X8, TX_8X8,
115 TX_16X16, TX_16X16, TX_16X16, TX_32X32
116 };
118 const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = {
119 TX_4X4, // ONLY_4X4
120 TX_8X8, // ALLOW_8X8
121 TX_16X16, // ALLOW_16X16
122 TX_32X32, // ALLOW_32X32
123 TX_32X32, // TX_MODE_SELECT
124 };
128 const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES][2][2] = {
129 // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1
130 // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1
131 {{BLOCK_4X4, BLOCK_INVALID}, {BLOCK_INVALID, BLOCK_INVALID}},
132 {{BLOCK_4X8, BLOCK_4X4}, {BLOCK_INVALID, BLOCK_INVALID}},
133 {{BLOCK_8X4, BLOCK_INVALID}, {BLOCK_4X4, BLOCK_INVALID}},
134 {{BLOCK_8X8, BLOCK_8X4}, {BLOCK_4X8, BLOCK_4X4}},
135 {{BLOCK_8X16, BLOCK_8X8}, {BLOCK_INVALID, BLOCK_4X8}},
136 {{BLOCK_16X8, BLOCK_INVALID}, {BLOCK_8X8, BLOCK_8X4}},
137 {{BLOCK_16X16, BLOCK_16X8}, {BLOCK_8X16, BLOCK_8X8}},
138 {{BLOCK_16X32, BLOCK_16X16}, {BLOCK_INVALID, BLOCK_8X16}},
139 {{BLOCK_32X16, BLOCK_INVALID}, {BLOCK_16X16, BLOCK_16X8}},
140 {{BLOCK_32X32, BLOCK_32X16}, {BLOCK_16X32, BLOCK_16X16}},
141 {{BLOCK_32X64, BLOCK_32X32}, {BLOCK_INVALID, BLOCK_16X32}},
142 {{BLOCK_64X32, BLOCK_INVALID}, {BLOCK_32X32, BLOCK_32X16}},
143 {{BLOCK_64X64, BLOCK_64X32}, {BLOCK_32X64, BLOCK_32X32}},
144 };
