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
18extern "C" {
19#endif
20
21static INLINE const MODE_INFO *get_above_mi(const MACROBLOCKD *const xd) {
22  return xd->up_available ? xd->mi[-xd->mi_stride] : NULL;
23}
24
25static INLINE const MODE_INFO *get_left_mi(const MACROBLOCKD *const xd) {
26  return xd->left_available ? xd->mi[-1] : NULL;
27}
28
29int vp9_get_segment_id(VP9_COMMON *cm, const uint8_t *segment_ids,
30                       BLOCK_SIZE bsize, int mi_row, int mi_col);
31
32static 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
42static 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
47static 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
55static 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
60int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
61
62int vp9_get_intra_inter_context(const MACROBLOCKD *xd);
63
64static 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
69int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);
70
71static 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
76int vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
77                                    const MACROBLOCKD *xd);
78
79static 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
85int vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
86
87static 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
92int vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
93
94static 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
99int vp9_get_tx_size_context(const MACROBLOCKD *xd);
100
101static 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
116static 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
122static 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