/src/aom/av1/common/blockd.c
Line | Count | Source |
1 | | /* |
2 | | * Copyright (c) 2016, Alliance for Open Media. All rights reserved. |
3 | | * |
4 | | * This source code is subject to the terms of the BSD 2 Clause License and |
5 | | * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
6 | | * was not distributed with this source code in the LICENSE file, you can |
7 | | * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
8 | | * Media Patent License 1.0 was not distributed with this source code in the |
9 | | * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
10 | | */ |
11 | | |
12 | | #include <math.h> |
13 | | |
14 | | #include "av1/common/av1_common_int.h" |
15 | | #include "av1/common/blockd.h" |
16 | | |
17 | 9.19M | PREDICTION_MODE av1_left_block_mode(const MB_MODE_INFO *left_mi) { |
18 | 9.19M | if (!left_mi) return DC_PRED; |
19 | 8.82M | assert(!is_inter_block(left_mi) || is_intrabc_block(left_mi)); |
20 | 8.82M | return left_mi->mode; |
21 | 8.82M | } |
22 | | |
23 | 9.19M | PREDICTION_MODE av1_above_block_mode(const MB_MODE_INFO *above_mi) { |
24 | 9.19M | if (!above_mi) return DC_PRED; |
25 | 8.78M | assert(!is_inter_block(above_mi) || is_intrabc_block(above_mi)); |
26 | 8.78M | return above_mi->mode; |
27 | 8.78M | } |
28 | | |
29 | | void av1_set_entropy_contexts(const MACROBLOCKD *xd, |
30 | | struct macroblockd_plane *pd, int plane, |
31 | | BLOCK_SIZE plane_bsize, TX_SIZE tx_size, |
32 | 35.9M | int has_eob, int aoff, int loff) { |
33 | 35.9M | ENTROPY_CONTEXT *const a = pd->above_entropy_context + aoff; |
34 | 35.9M | ENTROPY_CONTEXT *const l = pd->left_entropy_context + loff; |
35 | 35.9M | const int txs_wide = tx_size_wide_unit[tx_size]; |
36 | 35.9M | const int txs_high = tx_size_high_unit[tx_size]; |
37 | | |
38 | | // above |
39 | 35.9M | if (has_eob && xd->mb_to_right_edge < 0) { |
40 | 1.28M | const int blocks_wide = max_block_wide(xd, plane_bsize, plane); |
41 | 1.28M | const int above_contexts = AOMMIN(txs_wide, blocks_wide - aoff); |
42 | 1.28M | memset(a, has_eob, sizeof(*a) * above_contexts); |
43 | 1.28M | memset(a + above_contexts, 0, sizeof(*a) * (txs_wide - above_contexts)); |
44 | 34.6M | } else { |
45 | 34.6M | memset(a, has_eob, sizeof(*a) * txs_wide); |
46 | 34.6M | } |
47 | | |
48 | | // left |
49 | 35.9M | if (has_eob && xd->mb_to_bottom_edge < 0) { |
50 | 787k | const int blocks_high = max_block_high(xd, plane_bsize, plane); |
51 | 787k | const int left_contexts = AOMMIN(txs_high, blocks_high - loff); |
52 | 787k | memset(l, has_eob, sizeof(*l) * left_contexts); |
53 | 787k | memset(l + left_contexts, 0, sizeof(*l) * (txs_high - left_contexts)); |
54 | 35.1M | } else { |
55 | 35.1M | memset(l, has_eob, sizeof(*l) * txs_high); |
56 | 35.1M | } |
57 | 35.9M | } |
58 | | void av1_reset_entropy_context(MACROBLOCKD *xd, BLOCK_SIZE bsize, |
59 | 6.08M | const int num_planes) { |
60 | 6.08M | assert(bsize < BLOCK_SIZES_ALL); |
61 | 6.08M | const int nplanes = 1 + (num_planes - 1) * xd->is_chroma_ref; |
62 | 22.8M | for (int i = 0; i < nplanes; i++) { |
63 | 16.7M | struct macroblockd_plane *const pd = &xd->plane[i]; |
64 | 16.7M | const BLOCK_SIZE plane_bsize = |
65 | 16.7M | get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y); |
66 | 16.7M | const int txs_wide = mi_size_wide[plane_bsize]; |
67 | 16.7M | const int txs_high = mi_size_high[plane_bsize]; |
68 | 16.7M | memset(pd->above_entropy_context, 0, sizeof(ENTROPY_CONTEXT) * txs_wide); |
69 | 16.7M | memset(pd->left_entropy_context, 0, sizeof(ENTROPY_CONTEXT) * txs_high); |
70 | 16.7M | } |
71 | 6.08M | } |
72 | | |
73 | 168k | void av1_reset_loop_filter_delta(MACROBLOCKD *xd, int num_planes) { |
74 | 168k | xd->delta_lf_from_base = 0; |
75 | 168k | const int frame_lf_count = |
76 | 168k | num_planes > 1 ? FRAME_LF_COUNT : FRAME_LF_COUNT - 2; |
77 | 806k | for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) xd->delta_lf[lf_id] = 0; |
78 | 168k | } |
79 | | |
80 | 162k | void av1_reset_loop_restoration(MACROBLOCKD *xd, const int num_planes) { |
81 | 613k | for (int p = 0; p < num_planes; ++p) { |
82 | 450k | set_default_wiener(xd->wiener_info + p); |
83 | 450k | set_default_sgrproj(xd->sgrproj_info + p); |
84 | 450k | } |
85 | 162k | } |
86 | | |
87 | | void av1_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y, |
88 | 175k | const int num_planes) { |
89 | 175k | int i; |
90 | | |
91 | 637k | for (i = 0; i < num_planes; i++) { |
92 | 462k | xd->plane[i].plane_type = get_plane_type(i); |
93 | 462k | xd->plane[i].subsampling_x = i ? ss_x : 0; |
94 | 462k | xd->plane[i].subsampling_y = i ? ss_y : 0; |
95 | 462k | } |
96 | 240k | for (i = num_planes; i < MAX_MB_PLANE; i++) { |
97 | 64.9k | xd->plane[i].subsampling_x = 1; |
98 | 64.9k | xd->plane[i].subsampling_y = 1; |
99 | 64.9k | } |
100 | 175k | } |