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 #ifndef AOM_AV1_ENCODER_CONTEXT_TREE_H_
13 #define AOM_AV1_ENCODER_CONTEXT_TREE_H_
14
15 #include "config/aom_config.h"
16
17 #include "av1/common/blockd.h"
18 #include "av1/encoder/block.h"
19 #include "av1/encoder/speed_features.h"
20
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24
25 struct AV1_PRIMARY;
26 struct AV1_COMP;
27 struct AV1Common;
28 struct ThreadData;
29
30 typedef struct {
31 tran_low_t *coeff_buf[MAX_MB_PLANE];
32 tran_low_t *qcoeff_buf[MAX_MB_PLANE];
33 tran_low_t *dqcoeff_buf[MAX_MB_PLANE];
34 } PC_TREE_SHARED_BUFFERS;
35
36 // Structure to hold snapshot of coding context during the mode picking process
37 typedef struct PICK_MODE_CONTEXT {
38 MB_MODE_INFO mic;
39 MB_MODE_INFO_EXT_FRAME mbmi_ext_best;
40 uint8_t *color_index_map[2];
41 uint8_t *blk_skip;
42
43 tran_low_t *coeff[MAX_MB_PLANE];
44 tran_low_t *qcoeff[MAX_MB_PLANE];
45 tran_low_t *dqcoeff[MAX_MB_PLANE];
46 uint16_t *eobs[MAX_MB_PLANE];
47 uint8_t *txb_entropy_ctx[MAX_MB_PLANE];
48 uint8_t *tx_type_map;
49
50 int num_4x4_blk;
51 // For current partition, only if all Y, U, and V transform blocks'
52 // coefficients are quantized to 0, skippable is set to 1.
53 int skippable;
54 #if CONFIG_INTERNAL_STATS
55 THR_MODES best_mode_index;
56 #endif // CONFIG_INTERNAL_STATS
57 RD_STATS rd_stats;
58
59 int rd_mode_is_ready; // Flag to indicate whether rd pick mode decision has
60 // been made.
61 #if CONFIG_AV1_TEMPORAL_DENOISING
62 int64_t newmv_sse;
63 int64_t zeromv_sse;
64 int64_t zeromv_lastref_sse;
65 PREDICTION_MODE best_sse_inter_mode;
66 int_mv best_sse_mv;
67 MV_REFERENCE_FRAME best_reference_frame;
68 MV_REFERENCE_FRAME best_zeromv_reference_frame;
69 int sb_skip_denoising;
70 #endif
71 } PICK_MODE_CONTEXT;
72
73 typedef struct PC_TREE {
74 PARTITION_TYPE partitioning;
75 BLOCK_SIZE block_size;
76 PICK_MODE_CONTEXT *none;
77 PICK_MODE_CONTEXT *horizontal[2];
78 PICK_MODE_CONTEXT *vertical[2];
79 #if !CONFIG_REALTIME_ONLY
80 PICK_MODE_CONTEXT *horizontala[3];
81 PICK_MODE_CONTEXT *horizontalb[3];
82 PICK_MODE_CONTEXT *verticala[3];
83 PICK_MODE_CONTEXT *verticalb[3];
84 PICK_MODE_CONTEXT *horizontal4[4];
85 PICK_MODE_CONTEXT *vertical4[4];
86 #endif
87 struct PC_TREE *split[4];
88 int index;
89 } PC_TREE;
90
91 typedef struct SIMPLE_MOTION_DATA_TREE {
92 BLOCK_SIZE block_size;
93 PARTITION_TYPE partitioning;
94 struct SIMPLE_MOTION_DATA_TREE *split[4];
95
96 // Simple motion search_features
97 FULLPEL_MV start_mvs[REF_FRAMES];
98 unsigned int sms_none_feat[2];
99 unsigned int sms_rect_feat[8];
100 int sms_none_valid;
101 int sms_rect_valid;
102 } SIMPLE_MOTION_DATA_TREE;
103
104 void av1_setup_shared_coeff_buffer(const SequenceHeader *const seq_params,
105 PC_TREE_SHARED_BUFFERS *shared_bufs,
106 struct aom_internal_error_info *error);
107 void av1_free_shared_coeff_buffer(PC_TREE_SHARED_BUFFERS *shared_bufs);
108
109 PC_TREE *av1_alloc_pc_tree_node(BLOCK_SIZE bsize);
110 void av1_free_pc_tree_recursive(PC_TREE *tree, int num_planes, int keep_best,
111 int keep_none,
112 PARTITION_SEARCH_TYPE partition_search_type);
113
114 PICK_MODE_CONTEXT *av1_alloc_pmc(const struct AV1_COMP *const cpi,
115 BLOCK_SIZE bsize,
116 PC_TREE_SHARED_BUFFERS *shared_bufs);
117 void av1_reset_pmc(PICK_MODE_CONTEXT *ctx);
118 void av1_free_pmc(PICK_MODE_CONTEXT *ctx, int num_planes);
119 void av1_copy_tree_context(PICK_MODE_CONTEXT *dst_ctx,
120 PICK_MODE_CONTEXT *src_ctx);
121
122 static const BLOCK_SIZE square[MAX_SB_SIZE_LOG2 - 1] = {
123 BLOCK_4X4, BLOCK_8X8, BLOCK_16X16, BLOCK_32X32, BLOCK_64X64, BLOCK_128X128,
124 };
125
av1_get_pc_tree_nodes(const int is_sb_size_128,int stat_generation_stage)126 static inline int av1_get_pc_tree_nodes(const int is_sb_size_128,
127 int stat_generation_stage) {
128 const int tree_nodes_inc = is_sb_size_128 ? 1024 : 0;
129 const int tree_nodes =
130 stat_generation_stage ? 1 : (tree_nodes_inc + 256 + 64 + 16 + 4 + 1);
131 return tree_nodes;
132 }
133
134 // Returns 0 on success, -1 on memory allocation failure.
135 int av1_setup_sms_tree(struct AV1_COMP *const cpi, struct ThreadData *td);
136 void av1_free_sms_tree(struct ThreadData *td);
137
138 #ifdef __cplusplus
139 } // extern "C"
140 #endif
141
142 #endif // AOM_AV1_ENCODER_CONTEXT_TREE_H_
143