The Tor Browser / file comparison
comparison: media/libvpx/vp9/common/vp9_common_data.c
media/libvpx/vp9/common/vp9_common_data.c
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:c71f523a801c |
|---|---|
| 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 */ | |
| 10 | |
| 11 | |
| 12 #include "vp9/common/vp9_blockd.h" | |
| 13 #include "vp9/common/vp9_common_data.h" | |
| 14 | |
| 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}; | |
| 33 | |
| 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}; | |
| 37 | |
| 38 const int num_pels_log2_lookup[BLOCK_SIZES] = | |
| 39 {4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12}; | |
| 40 | |
| 41 | |
| 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 }; | |
| 76 | |
| 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 }; | |
| 104 | |
| 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 }; | |
| 117 | |
| 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 }; | |
| 125 | |
| 126 | |
| 127 | |
| 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 }; | |
| 145 | |
| 146 |
