2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VP9_ENCODER_VP9_CONTEXT_TREE_H_
12 #define VP9_ENCODER_VP9_CONTEXT_TREE_H_
14 #include "vp9/common/vp9_blockd.h"
19 // Structure to hold snapshot of coding context during the mode picking process
23 tran_low_t *coeff[MAX_MB_PLANE][3];
24 tran_low_t *qcoeff[MAX_MB_PLANE][3];
25 tran_low_t *dqcoeff[MAX_MB_PLANE][3];
26 uint16_t *eobs[MAX_MB_PLANE][3];
28 // dual buffer pointers, 0: in use, 1: best in store
29 tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
30 tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
31 tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
32 uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
37 // For current partition, only if all Y, U, and V transform blocks'
38 // coefficients are quantized to 0, skippable is set to 0.
40 uint8_t skip_txfm[MAX_MB_PLANE << 2];
45 int64_t tx_rd_diff[TX_MODES];
46 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
48 #if CONFIG_VP9_TEMPORAL_DENOISING
49 unsigned int newmv_sse;
50 unsigned int zeromv_sse;
51 PREDICTION_MODE best_sse_inter_mode;
53 MV_REFERENCE_FRAME best_reference_frame;
54 MV_REFERENCE_FRAME best_zeromv_reference_frame;
57 // motion vector cache for adaptive motion search control in partition
59 MV pred_mv[MAX_REF_FRAMES];
60 INTERP_FILTER pred_interp_filter;
63 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];
71 struct PC_TREE *split[4];
72 PICK_MODE_CONTEXT *leaf_split[4];
76 void vp9_setup_pc_tree(struct VP9Common *cm, struct VP9_COMP *cpi);
77 void vp9_free_pc_tree(struct VP9_COMP *cpi);
79 #endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */