context_tree.h (4679B)
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 }; 125 126 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_