1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_common_data.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,146 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +
1.15 +#include "vp9/common/vp9_blockd.h"
1.16 +#include "vp9/common/vp9_common_data.h"
1.17 +
1.18 +// Log 2 conversion lookup tables for block width and height
1.19 +const int b_width_log2_lookup[BLOCK_SIZES] =
1.20 + {0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4};
1.21 +const int b_height_log2_lookup[BLOCK_SIZES] =
1.22 + {0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4};
1.23 +const int num_4x4_blocks_wide_lookup[BLOCK_SIZES] =
1.24 + {1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16};
1.25 +const int num_4x4_blocks_high_lookup[BLOCK_SIZES] =
1.26 + {1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16};
1.27 +// Log 2 conversion lookup tables for modeinfo width and height
1.28 +const int mi_width_log2_lookup[BLOCK_SIZES] =
1.29 + {0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3};
1.30 +const int num_8x8_blocks_wide_lookup[BLOCK_SIZES] =
1.31 + {1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8};
1.32 +const int mi_height_log2_lookup[BLOCK_SIZES] =
1.33 + {0, 0, 0, 0, 1, 0, 1, 2, 1, 2, 3, 2, 3};
1.34 +const int num_8x8_blocks_high_lookup[BLOCK_SIZES] =
1.35 + {1, 1, 1, 1, 2, 1, 2, 4, 2, 4, 8, 4, 8};
1.36 +
1.37 +// MIN(3, MIN(b_width_log2(bsize), b_height_log2(bsize)))
1.38 +const int size_group_lookup[BLOCK_SIZES] =
1.39 + {0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3};
1.40 +
1.41 +const int num_pels_log2_lookup[BLOCK_SIZES] =
1.42 + {4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12};
1.43 +
1.44 +
1.45 +const PARTITION_TYPE partition_lookup[][BLOCK_SIZES] = {
1.46 + { // 4X4
1.47 + // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
1.48 + PARTITION_NONE, PARTITION_INVALID, PARTITION_INVALID,
1.49 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.50 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.51 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.52 + PARTITION_INVALID
1.53 + }, { // 8X8
1.54 + // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
1.55 + PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE,
1.56 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.57 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.58 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID
1.59 + }, { // 16X16
1.60 + // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
1.61 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
1.62 + PARTITION_VERT, PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
1.63 + PARTITION_INVALID, PARTITION_INVALID, PARTITION_INVALID,
1.64 + PARTITION_INVALID, PARTITION_INVALID
1.65 + }, { // 32X32
1.66 + // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
1.67 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
1.68 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT,
1.69 + PARTITION_HORZ, PARTITION_NONE, PARTITION_INVALID,
1.70 + PARTITION_INVALID, PARTITION_INVALID
1.71 + }, { // 64X64
1.72 + // 4X4, 4X8,8X4,8X8,8X16,16X8,16X16,16X32,32X16,32X32,32X64,64X32,64X64
1.73 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
1.74 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_SPLIT,
1.75 + PARTITION_SPLIT, PARTITION_SPLIT, PARTITION_VERT, PARTITION_HORZ,
1.76 + PARTITION_NONE
1.77 + }
1.78 +};
1.79 +
1.80 +const BLOCK_SIZE subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = {
1.81 + { // PARTITION_NONE
1.82 + BLOCK_4X4, BLOCK_4X8, BLOCK_8X4,
1.83 + BLOCK_8X8, BLOCK_8X16, BLOCK_16X8,
1.84 + BLOCK_16X16, BLOCK_16X32, BLOCK_32X16,
1.85 + BLOCK_32X32, BLOCK_32X64, BLOCK_64X32,
1.86 + BLOCK_64X64,
1.87 + }, { // PARTITION_HORZ
1.88 + BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
1.89 + BLOCK_8X4, BLOCK_INVALID, BLOCK_INVALID,
1.90 + BLOCK_16X8, BLOCK_INVALID, BLOCK_INVALID,
1.91 + BLOCK_32X16, BLOCK_INVALID, BLOCK_INVALID,
1.92 + BLOCK_64X32,
1.93 + }, { // PARTITION_VERT
1.94 + BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
1.95 + BLOCK_4X8, BLOCK_INVALID, BLOCK_INVALID,
1.96 + BLOCK_8X16, BLOCK_INVALID, BLOCK_INVALID,
1.97 + BLOCK_16X32, BLOCK_INVALID, BLOCK_INVALID,
1.98 + BLOCK_32X64,
1.99 + }, { // PARTITION_SPLIT
1.100 + BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
1.101 + BLOCK_4X4, BLOCK_INVALID, BLOCK_INVALID,
1.102 + BLOCK_8X8, BLOCK_INVALID, BLOCK_INVALID,
1.103 + BLOCK_16X16, BLOCK_INVALID, BLOCK_INVALID,
1.104 + BLOCK_32X32,
1.105 + }
1.106 +};
1.107 +
1.108 +const TX_SIZE max_txsize_lookup[BLOCK_SIZES] = {
1.109 + TX_4X4, TX_4X4, TX_4X4,
1.110 + TX_8X8, TX_8X8, TX_8X8,
1.111 + TX_16X16, TX_16X16, TX_16X16,
1.112 + TX_32X32, TX_32X32, TX_32X32, TX_32X32
1.113 +};
1.114 +const TX_SIZE max_uv_txsize_lookup[BLOCK_SIZES] = {
1.115 + TX_4X4, TX_4X4, TX_4X4,
1.116 + TX_4X4, TX_4X4, TX_4X4,
1.117 + TX_8X8, TX_8X8, TX_8X8,
1.118 + TX_16X16, TX_16X16, TX_16X16, TX_32X32
1.119 +};
1.120 +
1.121 +const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = {
1.122 + TX_4X4, // ONLY_4X4
1.123 + TX_8X8, // ALLOW_8X8
1.124 + TX_16X16, // ALLOW_16X16
1.125 + TX_32X32, // ALLOW_32X32
1.126 + TX_32X32, // TX_MODE_SELECT
1.127 +};
1.128 +
1.129 +
1.130 +
1.131 +const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES][2][2] = {
1.132 +// ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1
1.133 +// ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1
1.134 + {{BLOCK_4X4, BLOCK_INVALID}, {BLOCK_INVALID, BLOCK_INVALID}},
1.135 + {{BLOCK_4X8, BLOCK_4X4}, {BLOCK_INVALID, BLOCK_INVALID}},
1.136 + {{BLOCK_8X4, BLOCK_INVALID}, {BLOCK_4X4, BLOCK_INVALID}},
1.137 + {{BLOCK_8X8, BLOCK_8X4}, {BLOCK_4X8, BLOCK_4X4}},
1.138 + {{BLOCK_8X16, BLOCK_8X8}, {BLOCK_INVALID, BLOCK_4X8}},
1.139 + {{BLOCK_16X8, BLOCK_INVALID}, {BLOCK_8X8, BLOCK_8X4}},
1.140 + {{BLOCK_16X16, BLOCK_16X8}, {BLOCK_8X16, BLOCK_8X8}},
1.141 + {{BLOCK_16X32, BLOCK_16X16}, {BLOCK_INVALID, BLOCK_8X16}},
1.142 + {{BLOCK_32X16, BLOCK_INVALID}, {BLOCK_16X16, BLOCK_16X8}},
1.143 + {{BLOCK_32X32, BLOCK_32X16}, {BLOCK_16X32, BLOCK_16X16}},
1.144 + {{BLOCK_32X64, BLOCK_32X32}, {BLOCK_INVALID, BLOCK_16X32}},
1.145 + {{BLOCK_64X32, BLOCK_INVALID}, {BLOCK_32X32, BLOCK_32X16}},
1.146 + {{BLOCK_64X64, BLOCK_64X32}, {BLOCK_32X64, BLOCK_32X32}},
1.147 +};
1.148 +
1.149 +
