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aom/av1/encoder/tokenize.c

532 строки
27 KiB
C
Исходник Ответственный История

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "aom_mem/aom_mem.h"
#include "av1/common/entropy.h"
#include "av1/common/pred_common.h"
#include "av1/common/scan.h"
#include "av1/common/seg_common.h"
#include "av1/encoder/cost.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/tokenize.h"
static const TOKENVALUE dct_cat_lt_10_value_tokens[] = {
{ 9, 63 }, { 9, 61 }, { 9, 59 }, { 9, 57 }, { 9, 55 }, { 9, 53 }, { 9, 51 },
{ 9, 49 }, { 9, 47 }, { 9, 45 }, { 9, 43 }, { 9, 41 }, { 9, 39 }, { 9, 37 },
{ 9, 35 }, { 9, 33 }, { 9, 31 }, { 9, 29 }, { 9, 27 }, { 9, 25 }, { 9, 23 },
{ 9, 21 }, { 9, 19 }, { 9, 17 }, { 9, 15 }, { 9, 13 }, { 9, 11 }, { 9, 9 },
{ 9, 7 }, { 9, 5 }, { 9, 3 }, { 9, 1 }, { 8, 31 }, { 8, 29 }, { 8, 27 },
{ 8, 25 }, { 8, 23 }, { 8, 21 }, { 8, 19 }, { 8, 17 }, { 8, 15 }, { 8, 13 },
{ 8, 11 }, { 8, 9 }, { 8, 7 }, { 8, 5 }, { 8, 3 }, { 8, 1 }, { 7, 15 },
{ 7, 13 }, { 7, 11 }, { 7, 9 }, { 7, 7 }, { 7, 5 }, { 7, 3 }, { 7, 1 },
{ 6, 7 }, { 6, 5 }, { 6, 3 }, { 6, 1 }, { 5, 3 }, { 5, 1 }, { 4, 1 },
{ 3, 1 }, { 2, 1 }, { 1, 1 }, { 0, 0 }, { 1, 0 }, { 2, 0 }, { 3, 0 },
{ 4, 0 }, { 5, 0 }, { 5, 2 }, { 6, 0 }, { 6, 2 }, { 6, 4 }, { 6, 6 },
{ 7, 0 }, { 7, 2 }, { 7, 4 }, { 7, 6 }, { 7, 8 }, { 7, 10 }, { 7, 12 },
{ 7, 14 }, { 8, 0 }, { 8, 2 }, { 8, 4 }, { 8, 6 }, { 8, 8 }, { 8, 10 },
{ 8, 12 }, { 8, 14 }, { 8, 16 }, { 8, 18 }, { 8, 20 }, { 8, 22 }, { 8, 24 },
{ 8, 26 }, { 8, 28 }, { 8, 30 }, { 9, 0 }, { 9, 2 }, { 9, 4 }, { 9, 6 },
{ 9, 8 }, { 9, 10 }, { 9, 12 }, { 9, 14 }, { 9, 16 }, { 9, 18 }, { 9, 20 },
{ 9, 22 }, { 9, 24 }, { 9, 26 }, { 9, 28 }, { 9, 30 }, { 9, 32 }, { 9, 34 },
{ 9, 36 }, { 9, 38 }, { 9, 40 }, { 9, 42 }, { 9, 44 }, { 9, 46 }, { 9, 48 },
{ 9, 50 }, { 9, 52 }, { 9, 54 }, { 9, 56 }, { 9, 58 }, { 9, 60 }, { 9, 62 }
};
const TOKENVALUE *av1_dct_cat_lt_10_value_tokens =
dct_cat_lt_10_value_tokens +
(sizeof(dct_cat_lt_10_value_tokens) / sizeof(*dct_cat_lt_10_value_tokens)) /
2;
// Array indices are identical to previously-existing CONTEXT_NODE indices
const aom_tree_index av1_coef_tree[TREE_SIZE(ENTROPY_TOKENS)] = {
-EOB_TOKEN,
2, // 0 = EOB
-ZERO_TOKEN,
4, // 1 = ZERO
-ONE_TOKEN,
6, // 2 = ONE
8,
12, // 3 = LOW_VAL
-TWO_TOKEN,
10, // 4 = TWO
-THREE_TOKEN,
-FOUR_TOKEN, // 5 = THREE
14,
16, // 6 = HIGH_LOW
-CATEGORY1_TOKEN,
-CATEGORY2_TOKEN, // 7 = CAT_ONE
18,
20, // 8 = CAT_THREEFOUR
-CATEGORY3_TOKEN,
-CATEGORY4_TOKEN, // 9 = CAT_THREE
-CATEGORY5_TOKEN,
-CATEGORY6_TOKEN // 10 = CAT_FIVE
};
static const aom_tree_index cat1[2] = { 0, 0 };
static const aom_tree_index cat2[4] = { 2, 2, 0, 0 };
static const aom_tree_index cat3[6] = { 2, 2, 4, 4, 0, 0 };
static const aom_tree_index cat4[8] = { 2, 2, 4, 4, 6, 6, 0, 0 };
static const aom_tree_index cat5[10] = { 2, 2, 4, 4, 6, 6, 8, 8, 0, 0 };
static const aom_tree_index cat6[28] = { 2, 2, 4, 4, 6, 6, 8, 8, 10, 10,
12, 12, 14, 14, 16, 16, 18, 18, 20, 20,
22, 22, 24, 24, 26, 26, 0, 0 };
static const int16_t zero_cost[] = { 0 };
static const int16_t sign_cost[1] = { 512 };
static const int16_t cat1_cost[1 << 1] = { 864, 1229 };
static const int16_t cat2_cost[1 << 2] = { 1256, 1453, 1696, 1893 };
static const int16_t cat3_cost[1 << 3] = { 1652, 1791, 1884, 2023,
2195, 2334, 2427, 2566 };
static const int16_t cat4_cost[1 << 4] = { 2079, 2160, 2218, 2299, 2395, 2476,
2534, 2615, 2661, 2742, 2800, 2881,
2977, 3058, 3116, 3197 };
static const int16_t cat5_cost[1 << 5] = {
2553, 2576, 2622, 2645, 2703, 2726, 2772, 2795, 2894, 2917, 2963,
2986, 3044, 3067, 3113, 3136, 3190, 3213, 3259, 3282, 3340, 3363,
3409, 3432, 3531, 3554, 3600, 3623, 3681, 3704, 3750, 3773
};
const int16_t av1_cat6_low_cost[256] = {
3378, 3390, 3401, 3413, 3435, 3447, 3458, 3470, 3517, 3529, 3540, 3552, 3574,
3586, 3597, 3609, 3671, 3683, 3694, 3706, 3728, 3740, 3751, 3763, 3810, 3822,
3833, 3845, 3867, 3879, 3890, 3902, 3973, 3985, 3996, 4008, 4030, 4042, 4053,
4065, 4112, 4124, 4135, 4147, 4169, 4181, 4192, 4204, 4266, 4278, 4289, 4301,
4323, 4335, 4346, 4358, 4405, 4417, 4428, 4440, 4462, 4474, 4485, 4497, 4253,
4265, 4276, 4288, 4310, 4322, 4333, 4345, 4392, 4404, 4415, 4427, 4449, 4461,
4472, 4484, 4546, 4558, 4569, 4581, 4603, 4615, 4626, 4638, 4685, 4697, 4708,
4720, 4742, 4754, 4765, 4777, 4848, 4860, 4871, 4883, 4905, 4917, 4928, 4940,
4987, 4999, 5010, 5022, 5044, 5056, 5067, 5079, 5141, 5153, 5164, 5176, 5198,
5210, 5221, 5233, 5280, 5292, 5303, 5315, 5337, 5349, 5360, 5372, 4988, 5000,
5011, 5023, 5045, 5057, 5068, 5080, 5127, 5139, 5150, 5162, 5184, 5196, 5207,
5219, 5281, 5293, 5304, 5316, 5338, 5350, 5361, 5373, 5420, 5432, 5443, 5455,
5477, 5489, 5500, 5512, 5583, 5595, 5606, 5618, 5640, 5652, 5663, 5675, 5722,
5734, 5745, 5757, 5779, 5791, 5802, 5814, 5876, 5888, 5899, 5911, 5933, 5945,
5956, 5968, 6015, 6027, 6038, 6050, 6072, 6084, 6095, 6107, 5863, 5875, 5886,
5898, 5920, 5932, 5943, 5955, 6002, 6014, 6025, 6037, 6059, 6071, 6082, 6094,
6156, 6168, 6179, 6191, 6213, 6225, 6236, 6248, 6295, 6307, 6318, 6330, 6352,
6364, 6375, 6387, 6458, 6470, 6481, 6493, 6515, 6527, 6538, 6550, 6597, 6609,
6620, 6632, 6654, 6666, 6677, 6689, 6751, 6763, 6774, 6786, 6808, 6820, 6831,
6843, 6890, 6902, 6913, 6925, 6947, 6959, 6970, 6982
};
const int av1_cat6_high_cost[64] = {
88, 2251, 2727, 4890, 3148, 5311, 5787, 7950, 3666, 5829, 6305,
8468, 6726, 8889, 9365, 11528, 3666, 5829, 6305, 8468, 6726, 8889,
9365, 11528, 7244, 9407, 9883, 12046, 10304, 12467, 12943, 15106, 3666,
5829, 6305, 8468, 6726, 8889, 9365, 11528, 7244, 9407, 9883, 12046,
10304, 12467, 12943, 15106, 7244, 9407, 9883, 12046, 10304, 12467, 12943,
15106, 10822, 12985, 13461, 15624, 13882, 16045, 16521, 18684
};
#if CONFIG_AOM_HIGHBITDEPTH
const int av1_cat6_high10_high_cost[256] = {
94, 2257, 2733, 4896, 3154, 5317, 5793, 7956, 3672, 5835, 6311,
8474, 6732, 8895, 9371, 11534, 3672, 5835, 6311, 8474, 6732, 8895,
9371, 11534, 7250, 9413, 9889, 12052, 10310, 12473, 12949, 15112, 3672,
5835, 6311, 8474, 6732, 8895, 9371, 11534, 7250, 9413, 9889, 12052,
10310, 12473, 12949, 15112, 7250, 9413, 9889, 12052, 10310, 12473, 12949,
15112, 10828, 12991, 13467, 15630, 13888, 16051, 16527, 18690, 4187, 6350,
6826, 8989, 7247, 9410, 9886, 12049, 7765, 9928, 10404, 12567, 10825,
12988, 13464, 15627, 7765, 9928, 10404, 12567, 10825, 12988, 13464, 15627,
11343, 13506, 13982, 16145, 14403, 16566, 17042, 19205, 7765, 9928, 10404,
12567, 10825, 12988, 13464, 15627, 11343, 13506, 13982, 16145, 14403, 16566,
17042, 19205, 11343, 13506, 13982, 16145, 14403, 16566, 17042, 19205, 14921,
17084, 17560, 19723, 17981, 20144, 20620, 22783, 4187, 6350, 6826, 8989,
7247, 9410, 9886, 12049, 7765, 9928, 10404, 12567, 10825, 12988, 13464,
15627, 7765, 9928, 10404, 12567, 10825, 12988, 13464, 15627, 11343, 13506,
13982, 16145, 14403, 16566, 17042, 19205, 7765, 9928, 10404, 12567, 10825,
12988, 13464, 15627, 11343, 13506, 13982, 16145, 14403, 16566, 17042, 19205,
11343, 13506, 13982, 16145, 14403, 16566, 17042, 19205, 14921, 17084, 17560,
19723, 17981, 20144, 20620, 22783, 8280, 10443, 10919, 13082, 11340, 13503,
13979, 16142, 11858, 14021, 14497, 16660, 14918, 17081, 17557, 19720, 11858,
14021, 14497, 16660, 14918, 17081, 17557, 19720, 15436, 17599, 18075, 20238,
18496, 20659, 21135, 23298, 11858, 14021, 14497, 16660, 14918, 17081, 17557,
19720, 15436, 17599, 18075, 20238, 18496, 20659, 21135, 23298, 15436, 17599,
18075, 20238, 18496, 20659, 21135, 23298, 19014, 21177, 21653, 23816, 22074,
24237, 24713, 26876
};
const int av1_cat6_high12_high_cost[1024] = {
100, 2263, 2739, 4902, 3160, 5323, 5799, 7962, 3678, 5841, 6317,
8480, 6738, 8901, 9377, 11540, 3678, 5841, 6317, 8480, 6738, 8901,
9377, 11540, 7256, 9419, 9895, 12058, 10316, 12479, 12955, 15118, 3678,
5841, 6317, 8480, 6738, 8901, 9377, 11540, 7256, 9419, 9895, 12058,
10316, 12479, 12955, 15118, 7256, 9419, 9895, 12058, 10316, 12479, 12955,
15118, 10834, 12997, 13473, 15636, 13894, 16057, 16533, 18696, 4193, 6356,
6832, 8995, 7253, 9416, 9892, 12055, 7771, 9934, 10410, 12573, 10831,
12994, 13470, 15633, 7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633,
11349, 13512, 13988, 16151, 14409, 16572, 17048, 19211, 7771, 9934, 10410,
12573, 10831, 12994, 13470, 15633, 11349, 13512, 13988, 16151, 14409, 16572,
17048, 19211, 11349, 13512, 13988, 16151, 14409, 16572, 17048, 19211, 14927,
17090, 17566, 19729, 17987, 20150, 20626, 22789, 4193, 6356, 6832, 8995,
7253, 9416, 9892, 12055, 7771, 9934, 10410, 12573, 10831, 12994, 13470,
15633, 7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633, 11349, 13512,
13988, 16151, 14409, 16572, 17048, 19211, 7771, 9934, 10410, 12573, 10831,
12994, 13470, 15633, 11349, 13512, 13988, 16151, 14409, 16572, 17048, 19211,
11349, 13512, 13988, 16151, 14409, 16572, 17048, 19211, 14927, 17090, 17566,
19729, 17987, 20150, 20626, 22789, 8286, 10449, 10925, 13088, 11346, 13509,
13985, 16148, 11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726, 11864,
14027, 14503, 16666, 14924, 17087, 17563, 19726, 15442, 17605, 18081, 20244,
18502, 20665, 21141, 23304, 11864, 14027, 14503, 16666, 14924, 17087, 17563,
19726, 15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304, 15442, 17605,
18081, 20244, 18502, 20665, 21141, 23304, 19020, 21183, 21659, 23822, 22080,
24243, 24719, 26882, 4193, 6356, 6832, 8995, 7253, 9416, 9892, 12055,
7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633, 7771, 9934, 10410,
12573, 10831, 12994, 13470, 15633, 11349, 13512, 13988, 16151, 14409, 16572,
17048, 19211, 7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633, 11349,
13512, 13988, 16151, 14409, 16572, 17048, 19211, 11349, 13512, 13988, 16151,
14409, 16572, 17048, 19211, 14927, 17090, 17566, 19729, 17987, 20150, 20626,
22789, 8286, 10449, 10925, 13088, 11346, 13509, 13985, 16148, 11864, 14027,
14503, 16666, 14924, 17087, 17563, 19726, 11864, 14027, 14503, 16666, 14924,
17087, 17563, 19726, 15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304,
11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726, 15442, 17605, 18081,
20244, 18502, 20665, 21141, 23304, 15442, 17605, 18081, 20244, 18502, 20665,
21141, 23304, 19020, 21183, 21659, 23822, 22080, 24243, 24719, 26882, 8286,
10449, 10925, 13088, 11346, 13509, 13985, 16148, 11864, 14027, 14503, 16666,
14924, 17087, 17563, 19726, 11864, 14027, 14503, 16666, 14924, 17087, 17563,
19726, 15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304, 11864, 14027,
14503, 16666, 14924, 17087, 17563, 19726, 15442, 17605, 18081, 20244, 18502,
20665, 21141, 23304, 15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304,
19020, 21183, 21659, 23822, 22080, 24243, 24719, 26882, 12379, 14542, 15018,
17181, 15439, 17602, 18078, 20241, 15957, 18120, 18596, 20759, 19017, 21180,
21656, 23819, 15957, 18120, 18596, 20759, 19017, 21180, 21656, 23819, 19535,
21698, 22174, 24337, 22595, 24758, 25234, 27397, 15957, 18120, 18596, 20759,
19017, 21180, 21656, 23819, 19535, 21698, 22174, 24337, 22595, 24758, 25234,
27397, 19535, 21698, 22174, 24337, 22595, 24758, 25234, 27397, 23113, 25276,
25752, 27915, 26173, 28336, 28812, 30975, 4193, 6356, 6832, 8995, 7253,
9416, 9892, 12055, 7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633,
7771, 9934, 10410, 12573, 10831, 12994, 13470, 15633, 11349, 13512, 13988,
16151, 14409, 16572, 17048, 19211, 7771, 9934, 10410, 12573, 10831, 12994,
13470, 15633, 11349, 13512, 13988, 16151, 14409, 16572, 17048, 19211, 11349,
13512, 13988, 16151, 14409, 16572, 17048, 19211, 14927, 17090, 17566, 19729,
17987, 20150, 20626, 22789, 8286, 10449, 10925, 13088, 11346, 13509, 13985,
16148, 11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726, 11864, 14027,
14503, 16666, 14924, 17087, 17563, 19726, 15442, 17605, 18081, 20244, 18502,
20665, 21141, 23304, 11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726,
15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304, 15442, 17605, 18081,
20244, 18502, 20665, 21141, 23304, 19020, 21183, 21659, 23822, 22080, 24243,
24719, 26882, 8286, 10449, 10925, 13088, 11346, 13509, 13985, 16148, 11864,
14027, 14503, 16666, 14924, 17087, 17563, 19726, 11864, 14027, 14503, 16666,
14924, 17087, 17563, 19726, 15442, 17605, 18081, 20244, 18502, 20665, 21141,
23304, 11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726, 15442, 17605,
18081, 20244, 18502, 20665, 21141, 23304, 15442, 17605, 18081, 20244, 18502,
20665, 21141, 23304, 19020, 21183, 21659, 23822, 22080, 24243, 24719, 26882,
12379, 14542, 15018, 17181, 15439, 17602, 18078, 20241, 15957, 18120, 18596,
20759, 19017, 21180, 21656, 23819, 15957, 18120, 18596, 20759, 19017, 21180,
21656, 23819, 19535, 21698, 22174, 24337, 22595, 24758, 25234, 27397, 15957,
18120, 18596, 20759, 19017, 21180, 21656, 23819, 19535, 21698, 22174, 24337,
22595, 24758, 25234, 27397, 19535, 21698, 22174, 24337, 22595, 24758, 25234,
27397, 23113, 25276, 25752, 27915, 26173, 28336, 28812, 30975, 8286, 10449,
10925, 13088, 11346, 13509, 13985, 16148, 11864, 14027, 14503, 16666, 14924,
17087, 17563, 19726, 11864, 14027, 14503, 16666, 14924, 17087, 17563, 19726,
15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304, 11864, 14027, 14503,
16666, 14924, 17087, 17563, 19726, 15442, 17605, 18081, 20244, 18502, 20665,
21141, 23304, 15442, 17605, 18081, 20244, 18502, 20665, 21141, 23304, 19020,
21183, 21659, 23822, 22080, 24243, 24719, 26882, 12379, 14542, 15018, 17181,
15439, 17602, 18078, 20241, 15957, 18120, 18596, 20759, 19017, 21180, 21656,
23819, 15957, 18120, 18596, 20759, 19017, 21180, 21656, 23819, 19535, 21698,
22174, 24337, 22595, 24758, 25234, 27397, 15957, 18120, 18596, 20759, 19017,
21180, 21656, 23819, 19535, 21698, 22174, 24337, 22595, 24758, 25234, 27397,
19535, 21698, 22174, 24337, 22595, 24758, 25234, 27397, 23113, 25276, 25752,
27915, 26173, 28336, 28812, 30975, 12379, 14542, 15018, 17181, 15439, 17602,
18078, 20241, 15957, 18120, 18596, 20759, 19017, 21180, 21656, 23819, 15957,
18120, 18596, 20759, 19017, 21180, 21656, 23819, 19535, 21698, 22174, 24337,
22595, 24758, 25234, 27397, 15957, 18120, 18596, 20759, 19017, 21180, 21656,
23819, 19535, 21698, 22174, 24337, 22595, 24758, 25234, 27397, 19535, 21698,
22174, 24337, 22595, 24758, 25234, 27397, 23113, 25276, 25752, 27915, 26173,
28336, 28812, 30975, 16472, 18635, 19111, 21274, 19532, 21695, 22171, 24334,
20050, 22213, 22689, 24852, 23110, 25273, 25749, 27912, 20050, 22213, 22689,
24852, 23110, 25273, 25749, 27912, 23628, 25791, 26267, 28430, 26688, 28851,
29327, 31490, 20050, 22213, 22689, 24852, 23110, 25273, 25749, 27912, 23628,
25791, 26267, 28430, 26688, 28851, 29327, 31490, 23628, 25791, 26267, 28430,
26688, 28851, 29327, 31490, 27206, 29369, 29845, 32008, 30266, 32429, 32905,
35068
};
#endif
#if CONFIG_AOM_HIGHBITDEPTH
static const aom_tree_index cat1_high10[2] = { 0, 0 };
static const aom_tree_index cat2_high10[4] = { 2, 2, 0, 0 };
static const aom_tree_index cat3_high10[6] = { 2, 2, 4, 4, 0, 0 };
static const aom_tree_index cat4_high10[8] = { 2, 2, 4, 4, 6, 6, 0, 0 };
static const aom_tree_index cat5_high10[10] = { 2, 2, 4, 4, 6, 6, 8, 8, 0, 0 };
static const aom_tree_index cat6_high10[32] = { 2, 2, 4, 4, 6, 6, 8, 8,
10, 10, 12, 12, 14, 14, 16, 16,
18, 18, 20, 20, 22, 22, 24, 24,
26, 26, 28, 28, 30, 30, 0, 0 };
static const aom_tree_index cat1_high12[2] = { 0, 0 };
static const aom_tree_index cat2_high12[4] = { 2, 2, 0, 0 };
static const aom_tree_index cat3_high12[6] = { 2, 2, 4, 4, 0, 0 };
static const aom_tree_index cat4_high12[8] = { 2, 2, 4, 4, 6, 6, 0, 0 };
static const aom_tree_index cat5_high12[10] = { 2, 2, 4, 4, 6, 6, 8, 8, 0, 0 };
static const aom_tree_index cat6_high12[36] = {
2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14, 16, 16, 18, 18,
20, 20, 22, 22, 24, 24, 26, 26, 28, 28, 30, 30, 32, 32, 34, 34, 0, 0
};
#endif
const av1_extra_bit av1_extra_bits[ENTROPY_TOKENS] = {
{ 0, 0, 0, 0, zero_cost }, // ZERO_TOKEN
{ 0, 0, 0, 1, sign_cost }, // ONE_TOKEN
{ 0, 0, 0, 2, sign_cost }, // TWO_TOKEN
{ 0, 0, 0, 3, sign_cost }, // THREE_TOKEN
{ 0, 0, 0, 4, sign_cost }, // FOUR_TOKEN
{ cat1, av1_cat1_prob, 1, CAT1_MIN_VAL, cat1_cost }, // CATEGORY1_TOKEN
{ cat2, av1_cat2_prob, 2, CAT2_MIN_VAL, cat2_cost }, // CATEGORY2_TOKEN
{ cat3, av1_cat3_prob, 3, CAT3_MIN_VAL, cat3_cost }, // CATEGORY3_TOKEN
{ cat4, av1_cat4_prob, 4, CAT4_MIN_VAL, cat4_cost }, // CATEGORY4_TOKEN
{ cat5, av1_cat5_prob, 5, CAT5_MIN_VAL, cat5_cost }, // CATEGORY5_TOKEN
{ cat6, av1_cat6_prob, 14, CAT6_MIN_VAL, 0 }, // CATEGORY6_TOKEN
{ 0, 0, 0, 0, zero_cost } // EOB_TOKEN
};
#if CONFIG_AOM_HIGHBITDEPTH
const av1_extra_bit av1_extra_bits_high10[ENTROPY_TOKENS] = {
{ 0, 0, 0, 0, zero_cost }, // ZERO
{ 0, 0, 0, 1, sign_cost }, // ONE
{ 0, 0, 0, 2, sign_cost }, // TWO
{ 0, 0, 0, 3, sign_cost }, // THREE
{ 0, 0, 0, 4, sign_cost }, // FOUR
{ cat1_high10, av1_cat1_prob_high10, 1, CAT1_MIN_VAL, cat1_cost }, // CAT1
{ cat2_high10, av1_cat2_prob_high10, 2, CAT2_MIN_VAL, cat2_cost }, // CAT2
{ cat3_high10, av1_cat3_prob_high10, 3, CAT3_MIN_VAL, cat3_cost }, // CAT3
{ cat4_high10, av1_cat4_prob_high10, 4, CAT4_MIN_VAL, cat4_cost }, // CAT4
{ cat5_high10, av1_cat5_prob_high10, 5, CAT5_MIN_VAL, cat5_cost }, // CAT5
{ cat6_high10, av1_cat6_prob_high10, 16, CAT6_MIN_VAL, 0 }, // CAT6
{ 0, 0, 0, 0, zero_cost } // EOB
};
const av1_extra_bit av1_extra_bits_high12[ENTROPY_TOKENS] = {
{ 0, 0, 0, 0, zero_cost }, // ZERO
{ 0, 0, 0, 1, sign_cost }, // ONE
{ 0, 0, 0, 2, sign_cost }, // TWO
{ 0, 0, 0, 3, sign_cost }, // THREE
{ 0, 0, 0, 4, sign_cost }, // FOUR
{ cat1_high12, av1_cat1_prob_high12, 1, CAT1_MIN_VAL, cat1_cost }, // CAT1
{ cat2_high12, av1_cat2_prob_high12, 2, CAT2_MIN_VAL, cat2_cost }, // CAT2
{ cat3_high12, av1_cat3_prob_high12, 3, CAT3_MIN_VAL, cat3_cost }, // CAT3
{ cat4_high12, av1_cat4_prob_high12, 4, CAT4_MIN_VAL, cat4_cost }, // CAT4
{ cat5_high12, av1_cat5_prob_high12, 5, CAT5_MIN_VAL, cat5_cost }, // CAT5
{ cat6_high12, av1_cat6_prob_high12, 18, CAT6_MIN_VAL, 0 }, // CAT6
{ 0, 0, 0, 0, zero_cost } // EOB
};
#endif
const struct av1_token av1_coef_encodings[ENTROPY_TOKENS] = {
{ 2, 2 }, { 6, 3 }, { 28, 5 }, { 58, 6 }, { 59, 6 }, { 60, 6 },
{ 61, 6 }, { 124, 7 }, { 125, 7 }, { 126, 7 }, { 127, 7 }, { 0, 1 }
};
struct tokenize_b_args {
const AV1_COMP *cpi;
ThreadData *td;
TOKENEXTRA **tp;
};
static void set_entropy_context_b(int plane, int block, int blk_row,
int blk_col, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
struct tokenize_b_args *const args = arg;
ThreadData *const td = args->td;
MACROBLOCK *const x = &td->mb;
MACROBLOCKD *const xd = &x->e_mbd;
struct macroblock_plane *p = &x->plane[plane];
struct macroblockd_plane *pd = &xd->plane[plane];
av1_set_contexts(xd, pd, plane_bsize, tx_size, p->eobs[block] > 0, blk_col,
blk_row);
}
static INLINE void add_token(TOKENEXTRA **t, const aom_prob *context_tree,
int32_t extra, uint8_t token,
uint8_t skip_eob_node, unsigned int *counts) {
(*t)->token = token;
(*t)->extra = extra;
(*t)->context_tree = context_tree;
(*t)->skip_eob_node = skip_eob_node;
(*t)++;
++counts[token];
}
static INLINE void add_token_no_extra(TOKENEXTRA **t,
const aom_prob *context_tree,
uint8_t token, uint8_t skip_eob_node,
unsigned int *counts) {
(*t)->token = token;
(*t)->context_tree = context_tree;
(*t)->skip_eob_node = skip_eob_node;
(*t)++;
++counts[token];
}
static INLINE int get_tx_eob(const struct segmentation *seg, int segment_id,
TX_SIZE tx_size) {
const int eob_max = 16 << (tx_size << 1);
return segfeature_active(seg, segment_id, SEG_LVL_SKIP) ? 0 : eob_max;
}
static void tokenize_b(int plane, int block, int blk_row, int blk_col,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) {
struct tokenize_b_args *const args = arg;
const AV1_COMP *cpi = args->cpi;
ThreadData *const td = args->td;
MACROBLOCK *const x = &td->mb;
MACROBLOCKD *const xd = &x->e_mbd;
TOKENEXTRA **tp = args->tp;
uint8_t token_cache[32 * 32];
struct macroblock_plane *p = &x->plane[plane];
struct macroblockd_plane *pd = &xd->plane[plane];
MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
int pt; /* near block/prev token context index */
int c;
TOKENEXTRA *t = *tp; /* store tokens starting here */
int eob = p->eobs[block];
const PLANE_TYPE type = pd->plane_type;
const tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
const int segment_id = mbmi->segment_id;
const int16_t *scan, *nb;
const TX_TYPE tx_type = get_tx_type(type, xd, block);
const scan_order *const so = get_scan(tx_size, tx_type);
const int ref = is_inter_block(mbmi);
unsigned int (*const counts)[COEFF_CONTEXTS][ENTROPY_TOKENS] =
td->rd_counts.coef_counts[tx_size][type][ref];
aom_prob (*const coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
cpi->common.fc->coef_probs[tx_size][type][ref];
unsigned int (*const eob_branch)[COEFF_CONTEXTS] =
td->counts->eob_branch[tx_size][type][ref];
const uint8_t *const band = get_band_translate(tx_size);
const int seg_eob = get_tx_eob(&cpi->common.seg, segment_id, tx_size);
int16_t token;
EXTRABIT extra;
pt = get_entropy_context(tx_size, pd->above_context + blk_col,
pd->left_context + blk_row);
scan = so->scan;
nb = so->neighbors;
c = 0;
while (c < eob) {
int v = 0;
int skip_eob = 0;
v = qcoeff[scan[c]];
while (!v) {
add_token_no_extra(&t, coef_probs[band[c]][pt], ZERO_TOKEN, skip_eob,
counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
skip_eob = 1;
token_cache[scan[c]] = 0;
++c;
pt = get_coef_context(nb, token_cache, c);
v = qcoeff[scan[c]];
}
av1_get_token_extra(v, &token, &extra);
add_token(&t, coef_probs[band[c]][pt], extra, (uint8_t)token,
(uint8_t)skip_eob, counts[band[c]][pt]);
eob_branch[band[c]][pt] += !skip_eob;
token_cache[scan[c]] = av1_pt_energy_class[token];
++c;
pt = get_coef_context(nb, token_cache, c);
}
if (c < seg_eob) {
add_token_no_extra(&t, coef_probs[band[c]][pt], EOB_TOKEN, 0,
counts[band[c]][pt]);
++eob_branch[band[c]][pt];
}
*tp = t;
av1_set_contexts(xd, pd, plane_bsize, tx_size, c > 0, blk_col, blk_row);
}
struct is_skippable_args {
uint16_t *eobs;
int *skippable;
};
static void is_skippable(int plane, int block, int blk_row, int blk_col,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *argv) {
struct is_skippable_args *args = argv;
(void)plane;
(void)plane_bsize;
(void)tx_size;
(void)blk_row;
(void)blk_col;
args->skippable[0] &= (!args->eobs[block]);
}
// TODO(yaowu): rewrite and optimize this function to remove the usage of
// av1_foreach_transform_block() and simplify is_skippable().
int av1_is_skippable_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
int result = 1;
struct is_skippable_args args = { x->plane[plane].eobs, &result };
av1_foreach_transformed_block_in_plane(&x->e_mbd, bsize, plane, is_skippable,
&args);
return result;
}
static void has_high_freq_coeff(int plane, int block, int blk_row, int blk_col,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
void *argv) {
struct is_skippable_args *args = argv;
int eobs = (tx_size == TX_4X4) ? 3 : 10;
(void)plane;
(void)plane_bsize;
(void)blk_row;
(void)blk_col;
*(args->skippable) |= (args->eobs[block] > eobs);
}
int av1_has_high_freq_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
int result = 0;
struct is_skippable_args args = { x->plane[plane].eobs, &result };
av1_foreach_transformed_block_in_plane(&x->e_mbd, bsize, plane,
has_high_freq_coeff, &args);
return result;
}
void av1_tokenize_sb(const AV1_COMP *cpi, ThreadData *td, TOKENEXTRA **t,
int dry_run, BLOCK_SIZE bsize) {
const AV1_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &td->mb;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
const int ctx = av1_get_skip_context(xd);
const int skip_inc =
!segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP);
struct tokenize_b_args arg = { cpi, td, t };
if (mbmi->skip) {
if (!dry_run) td->counts->skip[ctx][1] += skip_inc;
reset_skip_context(xd, bsize);
return;
}
if (!dry_run) {
int plane;
td->counts->skip[ctx][0] += skip_inc;
for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
av1_foreach_transformed_block_in_plane(xd, bsize, plane, tokenize_b,
&arg);
(*t)->token = EOSB_TOKEN;
(*t)++;
}
} else {
av1_foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
}
}
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