1 /*
2  *  Copyright (c) 2012 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_COMMON_VP9_PRED_COMMON_H_
12 #define VP9_COMMON_VP9_PRED_COMMON_H_
13 
14 #include "vp9/common/vp9_blockd.h"
15 #include "vp9/common/vp9_onyxc_int.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
get_above_mi(const MACROBLOCKD * const xd)21 static INLINE const MODE_INFO *get_above_mi(const MACROBLOCKD *const xd) {
22   return xd->up_available ? xd->mi[-xd->mi_stride] : NULL;
23 }
24 
get_left_mi(const MACROBLOCKD * const xd)25 static INLINE const MODE_INFO *get_left_mi(const MACROBLOCKD *const xd) {
26   return xd->left_available ? xd->mi[-1] : NULL;
27 }
28 
29 int vp9_get_segment_id(VP9_COMMON *cm, const uint8_t *segment_ids,
30                        BLOCK_SIZE bsize, int mi_row, int mi_col);
31 
vp9_get_pred_context_seg_id(const MACROBLOCKD * xd)32 static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) {
33   const MODE_INFO *const above_mi = get_above_mi(xd);
34   const MODE_INFO *const left_mi = get_left_mi(xd);
35   const int above_sip = (above_mi != NULL) ?
36                         above_mi->mbmi.seg_id_predicted : 0;
37   const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;
38 
39   return above_sip + left_sip;
40 }
41 
vp9_get_pred_prob_seg_id(const struct segmentation * seg,const MACROBLOCKD * xd)42 static INLINE vp9_prob vp9_get_pred_prob_seg_id(const struct segmentation *seg,
43                                                 const MACROBLOCKD *xd) {
44   return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
45 }
46 
vp9_get_skip_context(const MACROBLOCKD * xd)47 static INLINE int vp9_get_skip_context(const MACROBLOCKD *xd) {
48   const MODE_INFO *const above_mi = get_above_mi(xd);
49   const MODE_INFO *const left_mi = get_left_mi(xd);
50   const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip : 0;
51   const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip : 0;
52   return above_skip + left_skip;
53 }
54 
vp9_get_skip_prob(const VP9_COMMON * cm,const MACROBLOCKD * xd)55 static INLINE vp9_prob vp9_get_skip_prob(const VP9_COMMON *cm,
56                                          const MACROBLOCKD *xd) {
57   return cm->fc.skip_probs[vp9_get_skip_context(xd)];
58 }
59 
60 int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
61 
62 int vp9_get_intra_inter_context(const MACROBLOCKD *xd);
63 
vp9_get_intra_inter_prob(const VP9_COMMON * cm,const MACROBLOCKD * xd)64 static INLINE vp9_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm,
65                                                 const MACROBLOCKD *xd) {
66   return cm->fc.intra_inter_prob[vp9_get_intra_inter_context(xd)];
67 }
68 
69 int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);
70 
vp9_get_reference_mode_prob(const VP9_COMMON * cm,const MACROBLOCKD * xd)71 static INLINE vp9_prob vp9_get_reference_mode_prob(const VP9_COMMON *cm,
72                                                    const MACROBLOCKD *xd) {
73   return cm->fc.comp_inter_prob[vp9_get_reference_mode_context(cm, xd)];
74 }
75 
76 int vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
77                                     const MACROBLOCKD *xd);
78 
vp9_get_pred_prob_comp_ref_p(const VP9_COMMON * cm,const MACROBLOCKD * xd)79 static INLINE vp9_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
80                                                     const MACROBLOCKD *xd) {
81   const int pred_context = vp9_get_pred_context_comp_ref_p(cm, xd);
82   return cm->fc.comp_ref_prob[pred_context];
83 }
84 
85 int vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
86 
vp9_get_pred_prob_single_ref_p1(const VP9_COMMON * cm,const MACROBLOCKD * xd)87 static INLINE vp9_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
88                                                        const MACROBLOCKD *xd) {
89   return cm->fc.single_ref_prob[vp9_get_pred_context_single_ref_p1(xd)][0];
90 }
91 
92 int vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
93 
vp9_get_pred_prob_single_ref_p2(const VP9_COMMON * cm,const MACROBLOCKD * xd)94 static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
95                                                        const MACROBLOCKD *xd) {
96   return cm->fc.single_ref_prob[vp9_get_pred_context_single_ref_p2(xd)][1];
97 }
98 
99 int vp9_get_tx_size_context(const MACROBLOCKD *xd);
100 
get_tx_probs(TX_SIZE max_tx_size,int ctx,const struct tx_probs * tx_probs)101 static INLINE const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
102                                            const struct tx_probs *tx_probs) {
103   switch (max_tx_size) {
104     case TX_8X8:
105       return tx_probs->p8x8[ctx];
106     case TX_16X16:
107       return tx_probs->p16x16[ctx];
108     case TX_32X32:
109       return tx_probs->p32x32[ctx];
110     default:
111       assert(0 && "Invalid max_tx_size.");
112       return NULL;
113   }
114 }
115 
get_tx_probs2(TX_SIZE max_tx_size,const MACROBLOCKD * xd,const struct tx_probs * tx_probs)116 static INLINE const vp9_prob *get_tx_probs2(TX_SIZE max_tx_size,
117                                             const MACROBLOCKD *xd,
118                                             const struct tx_probs *tx_probs) {
119   return get_tx_probs(max_tx_size, vp9_get_tx_size_context(xd), tx_probs);
120 }
121 
get_tx_counts(TX_SIZE max_tx_size,int ctx,struct tx_counts * tx_counts)122 static INLINE unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx,
123                                           struct tx_counts *tx_counts) {
124   switch (max_tx_size) {
125     case TX_8X8:
126       return tx_counts->p8x8[ctx];
127     case TX_16X16:
128       return tx_counts->p16x16[ctx];
129     case TX_32X32:
130       return tx_counts->p32x32[ctx];
131     default:
132       assert(0 && "Invalid max_tx_size.");
133       return NULL;
134   }
135 }
136 
137 #ifdef __cplusplus
138 }  // extern "C"
139 #endif
140 
141 #endif  // VP9_COMMON_VP9_PRED_COMMON_H_
142