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 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 struct AV1_COMP; 25 struct AV1Common; 26 struct ThreadData; 27 28 // Structure to hold snapshot of coding context during the mode picking process 29 typedef struct { 30 MB_MODE_INFO mic; 31 MB_MODE_INFO_EXT_FRAME mbmi_ext_best; 32 uint8_t *color_index_map[2]; 33 uint8_t *blk_skip; 34 35 tran_low_t *coeff[MAX_MB_PLANE]; 36 tran_low_t *qcoeff[MAX_MB_PLANE]; 37 tran_low_t *dqcoeff[MAX_MB_PLANE]; 38 uint16_t *eobs[MAX_MB_PLANE]; 39 uint8_t *txb_entropy_ctx[MAX_MB_PLANE]; 40 uint8_t *tx_type_map; 41 42 int num_4x4_blk; 43 // For current partition, only if all Y, U, and V transform blocks' 44 // coefficients are quantized to 0, skippable is set to 1. 45 int skippable; 46 #if CONFIG_INTERNAL_STATS 47 THR_MODES best_mode_index; 48 #endif // CONFIG_INTERNAL_STATS 49 int hybrid_pred_diff; 50 int comp_pred_diff; 51 int single_pred_diff; 52 53 RD_STATS rd_stats; 54 55 int rd_mode_is_ready; // Flag to indicate whether rd pick mode decision has 56 // been made. 57 58 // motion vector cache for adaptive motion search control in partition 59 // search loop 60 MV pred_mv[REF_FRAMES]; 61 PARTITION_TYPE partition; 62 } PICK_MODE_CONTEXT; 63 64 typedef struct PC_TREE { 65 PARTITION_TYPE partitioning; 66 BLOCK_SIZE block_size; 67 PICK_MODE_CONTEXT none; 68 PICK_MODE_CONTEXT horizontal[2]; 69 PICK_MODE_CONTEXT vertical[2]; 70 PICK_MODE_CONTEXT horizontala[3]; 71 PICK_MODE_CONTEXT horizontalb[3]; 72 PICK_MODE_CONTEXT verticala[3]; 73 PICK_MODE_CONTEXT verticalb[3]; 74 PICK_MODE_CONTEXT horizontal4[4]; 75 PICK_MODE_CONTEXT vertical4[4]; 76 struct PC_TREE *split[4]; 77 int index; 78 79 // Simple motion search_features 80 FULLPEL_MV start_mvs[REF_FRAMES]; 81 unsigned int sms_none_feat[2]; 82 unsigned int sms_rect_feat[8]; 83 int sms_none_valid; 84 int sms_rect_valid; 85 } PC_TREE; 86 87 void av1_setup_pc_tree(struct AV1_COMP *const cpi, struct ThreadData *td); 88 void av1_free_pc_tree(const struct AV1_COMP *const cpi, struct ThreadData *td, 89 const int num_planes, BLOCK_SIZE sb_size); 90 void av1_copy_tree_context(PICK_MODE_CONTEXT *dst_ctx, 91 PICK_MODE_CONTEXT *src_ctx); 92 93 #ifdef __cplusplus 94 } // extern "C" 95 #endif 96 97 #endif // AOM_AV1_ENCODER_CONTEXT_TREE_H_ 98