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| 1 /* |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| 3 * |
| 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. |
| 9 */ |
| 10 |
| 11 #ifndef VP9_ENCODER_VP9_RD_H_ |
| 12 #define VP9_ENCODER_VP9_RD_H_ |
| 13 |
| 14 #include <limits.h> |
| 15 |
| 16 #include "vp9/common/vp9_blockd.h" |
| 17 |
| 18 #include "vp9/encoder/vp9_block.h" |
| 19 #include "vp9/encoder/vp9_context_tree.h" |
| 20 |
| 21 #ifdef __cplusplus |
| 22 extern "C" { |
| 23 #endif |
| 24 |
| 25 #define RDDIV_BITS 7 |
| 26 |
| 27 #define RDCOST(RM, DM, R, D) \ |
| 28 (((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM)) |
| 29 #define QIDX_SKIP_THRESH 115 |
| 30 |
| 31 #define MV_COST_WEIGHT 108 |
| 32 #define MV_COST_WEIGHT_SUB 120 |
| 33 |
| 34 #define INVALID_MV 0x80008000 |
| 35 |
| 36 #define MAX_MODES 30 |
| 37 #define MAX_REFS 6 |
| 38 |
| 39 // This enumerator type needs to be kept aligned with the mode order in |
| 40 // const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code. |
| 41 typedef enum { |
| 42 THR_NEARESTMV, |
| 43 THR_NEARESTA, |
| 44 THR_NEARESTG, |
| 45 |
| 46 THR_DC, |
| 47 |
| 48 THR_NEWMV, |
| 49 THR_NEWA, |
| 50 THR_NEWG, |
| 51 |
| 52 THR_NEARMV, |
| 53 THR_NEARA, |
| 54 THR_COMP_NEARESTLA, |
| 55 THR_COMP_NEARESTGA, |
| 56 |
| 57 THR_TM, |
| 58 |
| 59 THR_COMP_NEARLA, |
| 60 THR_COMP_NEWLA, |
| 61 THR_NEARG, |
| 62 THR_COMP_NEARGA, |
| 63 THR_COMP_NEWGA, |
| 64 |
| 65 THR_ZEROMV, |
| 66 THR_ZEROG, |
| 67 THR_ZEROA, |
| 68 THR_COMP_ZEROLA, |
| 69 THR_COMP_ZEROGA, |
| 70 |
| 71 THR_H_PRED, |
| 72 THR_V_PRED, |
| 73 THR_D135_PRED, |
| 74 THR_D207_PRED, |
| 75 THR_D153_PRED, |
| 76 THR_D63_PRED, |
| 77 THR_D117_PRED, |
| 78 THR_D45_PRED, |
| 79 } THR_MODES; |
| 80 |
| 81 typedef enum { |
| 82 THR_LAST, |
| 83 THR_GOLD, |
| 84 THR_ALTR, |
| 85 THR_COMP_LA, |
| 86 THR_COMP_GA, |
| 87 THR_INTRA, |
| 88 } THR_MODES_SUB8X8; |
| 89 |
| 90 typedef struct RD_OPT { |
| 91 // Thresh_mult is used to set a threshold for the rd score. A higher value |
| 92 // means that we will accept the best mode so far more often. This number |
| 93 // is used in combination with the current block size, and thresh_freq_fact |
| 94 // to pick a threshold. |
| 95 int thresh_mult[MAX_MODES]; |
| 96 int thresh_mult_sub8x8[MAX_REFS]; |
| 97 |
| 98 int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES]; |
| 99 int thresh_freq_fact[BLOCK_SIZES][MAX_MODES]; |
| 100 |
| 101 int64_t comp_pred_diff[REFERENCE_MODES]; |
| 102 int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES]; |
| 103 int64_t tx_select_diff[TX_MODES]; |
| 104 // TODO(agrange): can this overflow? |
| 105 int tx_select_threshes[MAX_REF_FRAMES][TX_MODES]; |
| 106 |
| 107 int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS]; |
| 108 int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS]; |
| 109 int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS]; |
| 110 int64_t mask_filter; |
| 111 |
| 112 int RDMULT; |
| 113 int RDDIV; |
| 114 } RD_OPT; |
| 115 |
| 116 struct TileInfo; |
| 117 struct VP9_COMP; |
| 118 struct macroblock; |
| 119 |
| 120 int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex); |
| 121 |
| 122 void vp9_initialize_rd_consts(struct VP9_COMP *cpi); |
| 123 |
| 124 void vp9_initialize_me_consts(struct VP9_COMP *cpi, int qindex); |
| 125 |
| 126 void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n, |
| 127 unsigned int qstep, int *rate, |
| 128 int64_t *dist); |
| 129 |
| 130 int vp9_get_switchable_rate(const struct VP9_COMP *cpi); |
| 131 |
| 132 const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi, |
| 133 int ref_frame); |
| 134 |
| 135 void vp9_init_me_luts(); |
| 136 |
| 137 void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size, |
| 138 const struct macroblockd_plane *pd, |
| 139 ENTROPY_CONTEXT t_above[16], |
| 140 ENTROPY_CONTEXT t_left[16]); |
| 141 |
| 142 void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi); |
| 143 |
| 144 void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi); |
| 145 |
| 146 static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh, |
| 147 int thresh_fact) { |
| 148 return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX; |
| 149 } |
| 150 |
| 151 void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x, |
| 152 uint8_t *ref_y_buffer, int ref_y_stride, |
| 153 int ref_frame, BLOCK_SIZE block_size); |
| 154 |
| 155 void vp9_setup_pred_block(const MACROBLOCKD *xd, |
| 156 struct buf_2d dst[MAX_MB_PLANE], |
| 157 const YV12_BUFFER_CONFIG *src, |
| 158 int mi_row, int mi_col, |
| 159 const struct scale_factors *scale, |
| 160 const struct scale_factors *scale_uv); |
| 161 #ifdef __cplusplus |
| 162 } // extern "C" |
| 163 #endif |
| 164 |
| 165 #endif // VP9_ENCODER_VP9_RD_H_ |
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