ref: f04764cfe87de7f081546fcf2258c68d3423cabe
dir: /vp9/encoder/vp9_context_tree.h/
/* * Copyright (c) 2014 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_ #define VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_ #include "vp9/common/vp9_blockd.h" #include "vp9/encoder/vp9_block.h" #ifdef __cplusplus extern "C" { #endif struct VP9_COMP; struct VP9Common; struct ThreadData; // Structure to hold snapshot of coding context during the mode picking process typedef struct { MODE_INFO mic; MB_MODE_INFO_EXT mbmi_ext; uint8_t *zcoeff_blk; tran_low_t *coeff[MAX_MB_PLANE][3]; tran_low_t *qcoeff[MAX_MB_PLANE][3]; tran_low_t *dqcoeff[MAX_MB_PLANE][3]; uint16_t *eobs[MAX_MB_PLANE][3]; // dual buffer pointers, 0: in use, 1: best in store tran_low_t *coeff_pbuf[MAX_MB_PLANE][3]; tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3]; tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3]; uint16_t *eobs_pbuf[MAX_MB_PLANE][3]; int is_coded; int num_4x4_blk; int skip; int pred_pixel_ready; // For current partition, only if all Y, U, and V transform blocks' // coefficients are quantized to 0, skippable is set to 0. int skippable; uint8_t skip_txfm[MAX_MB_PLANE << 2]; int best_mode_index; int hybrid_pred_diff; int comp_pred_diff; int single_pred_diff; int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; // TODO(jingning) Use RD_COST struct here instead. This involves a boarder // scope of refactoring. int rate; int64_t dist; int64_t rdcost; #if CONFIG_VP9_TEMPORAL_DENOISING unsigned int newmv_sse; unsigned int zeromv_sse; unsigned int zeromv_lastref_sse; PREDICTION_MODE best_sse_inter_mode; int_mv best_sse_mv; MV_REFERENCE_FRAME best_reference_frame; MV_REFERENCE_FRAME best_zeromv_reference_frame; int sb_skip_denoising; #endif // motion vector cache for adaptive motion search control in partition // search loop MV pred_mv[MAX_REF_FRAMES]; INTERP_FILTER pred_interp_filter; // Used for the machine learning-based early termination int32_t sum_y_eobs; // Skip certain ref frames during RD search of rectangular partitions. uint8_t skip_ref_frame_mask; } PICK_MODE_CONTEXT; typedef struct PC_TREE { int index; PARTITION_TYPE partitioning; BLOCK_SIZE block_size; PICK_MODE_CONTEXT none; PICK_MODE_CONTEXT horizontal[2]; PICK_MODE_CONTEXT vertical[2]; union { struct PC_TREE *split[4]; PICK_MODE_CONTEXT *leaf_split[4]; }; // Obtained from a simple motion search. Used by the ML based partition search // speed feature. MV mv; } PC_TREE; void vp9_setup_pc_tree(struct VP9Common *cm, struct ThreadData *td); void vp9_free_pc_tree(struct ThreadData *td); #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VP9_ENCODER_VP9_CONTEXT_TREE_H_