Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / third_party / libvpx / source / libvpx / vp9 / encoder / vp9_rdopt.h
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_RDOPT_H_
12 #define VP9_ENCODER_VP9_RDOPT_H_
13
14 #include "vp9/encoder/vp9_encoder.h"
15
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19
20 #define RDDIV_BITS          7
21
22 #define RDCOST(RM, DM, R, D) \
23   (((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM))
24 #define QIDX_SKIP_THRESH     115
25
26 #define MV_COST_WEIGHT      108
27 #define MV_COST_WEIGHT_SUB  120
28
29 #define INVALID_MV 0x80008000
30
31 struct TileInfo;
32
33 int vp9_compute_rd_mult(const VP9_COMP *cpi, int qindex);
34
35 void vp9_initialize_rd_consts(VP9_COMP *cpi);
36
37 void vp9_initialize_me_consts(VP9_COMP *cpi, int qindex);
38
39 void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
40                                   unsigned int qstep, int *rate,
41                                   int64_t *dist);
42
43 int vp9_get_switchable_rate(const VP9_COMP *cpi);
44
45 void vp9_setup_buffer_inter(VP9_COMP *cpi, MACROBLOCK *x,
46                             const TileInfo *const tile,
47                             MV_REFERENCE_FRAME ref_frame,
48                             BLOCK_SIZE block_size,
49                             int mi_row, int mi_col,
50                             int_mv frame_nearest_mv[MAX_REF_FRAMES],
51                             int_mv frame_near_mv[MAX_REF_FRAMES],
52                             struct buf_2d yv12_mb[4][MAX_MB_PLANE]);
53
54 const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const VP9_COMP *cpi,
55                                                    int ref_frame);
56
57 void vp9_rd_pick_intra_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
58                                int *r, int64_t *d, BLOCK_SIZE bsize,
59                                PICK_MODE_CONTEXT *ctx, int64_t best_rd);
60
61 int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
62                                   const struct TileInfo *const tile,
63                                   int mi_row, int mi_col,
64                                   int *returnrate,
65                                   int64_t *returndistortion,
66                                   BLOCK_SIZE bsize,
67                                   PICK_MODE_CONTEXT *ctx,
68                                   int64_t best_rd_so_far);
69
70 int64_t vp9_rd_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x,
71                                       const struct TileInfo *const tile,
72                                       int mi_row, int mi_col,
73                                       int *returnrate,
74                                       int64_t *returndistortion,
75                                       BLOCK_SIZE bsize,
76                                       PICK_MODE_CONTEXT *ctx,
77                                       int64_t best_rd_so_far);
78
79 void vp9_init_me_luts();
80
81 void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
82                               const struct macroblockd_plane *pd,
83                               ENTROPY_CONTEXT t_above[16],
84                               ENTROPY_CONTEXT t_left[16]);
85
86 void vp9_set_rd_speed_thresholds(VP9_COMP *cpi);
87
88 void vp9_set_rd_speed_thresholds_sub8x8(VP9_COMP *cpi);
89
90 static INLINE int full_pixel_search(VP9_COMP *cpi, MACROBLOCK *x,
91                                     BLOCK_SIZE bsize, MV *mvp_full,
92                                     int step_param, int error_per_bit,
93                                     const MV *ref_mv, MV *tmp_mv,
94                                     int var_max, int rd) {
95   int var = 0;
96
97   if (cpi->sf.search_method == FAST_DIAMOND) {
98     var = vp9_fast_dia_search(x, mvp_full, step_param, error_per_bit, 0,
99                               &cpi->fn_ptr[bsize], 1, ref_mv, tmp_mv);
100     if (rd && var < var_max)
101       var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, &cpi->fn_ptr[bsize], 1);
102   } else if (cpi->sf.search_method == FAST_HEX) {
103     var = vp9_fast_hex_search(x, mvp_full, step_param, error_per_bit, 0,
104                               &cpi->fn_ptr[bsize], 1, ref_mv, tmp_mv);
105     if (rd && var < var_max)
106       var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, &cpi->fn_ptr[bsize], 1);
107   } else if (cpi->sf.search_method == HEX) {
108     var = vp9_hex_search(x, mvp_full, step_param, error_per_bit, 1,
109                          &cpi->fn_ptr[bsize], 1, ref_mv, tmp_mv);
110     if (rd && var < var_max)
111       var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, &cpi->fn_ptr[bsize], 1);
112   } else if (cpi->sf.search_method == SQUARE) {
113     var = vp9_square_search(x, mvp_full, step_param, error_per_bit, 1,
114                             &cpi->fn_ptr[bsize], 1, ref_mv, tmp_mv);
115     if (rd && var < var_max)
116       var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, &cpi->fn_ptr[bsize], 1);
117   } else if (cpi->sf.search_method == BIGDIA) {
118     var = vp9_bigdia_search(x, mvp_full, step_param, error_per_bit, 1,
119                             &cpi->fn_ptr[bsize], 1, ref_mv, tmp_mv);
120     if (rd && var < var_max)
121       var = vp9_get_mvpred_var(x, tmp_mv, ref_mv, &cpi->fn_ptr[bsize], 1);
122   } else {
123     int further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
124
125     var = vp9_full_pixel_diamond(cpi, x, mvp_full, step_param, error_per_bit,
126                                  further_steps, 1, &cpi->fn_ptr[bsize],
127                                  ref_mv, tmp_mv);
128   }
129
130   return var;
131 }
132
133 #ifdef __cplusplus
134 }  // extern "C"
135 #endif
136
137 #endif  // VP9_ENCODER_VP9_RDOPT_H_