vp9_pred_common.h revision 5ae7ac49f08a179e4f054d99fcfc9dce78d26e58 
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
17static INLINE const MODE_INFO *get_above_mi(const MACROBLOCKD *const xd) {
18  return xd->up_available ? xd->mi_8x8[-xd->mode_info_stride] : NULL;
19}
20
21static INLINE const MODE_INFO *get_left_mi(const MACROBLOCKD *const xd) {
22  return xd->left_available ? xd->mi_8x8[-1] : NULL;
23}
24
25int vp9_get_segment_id(VP9_COMMON *cm, const uint8_t *segment_ids,
26                       BLOCK_SIZE bsize, int mi_row, int mi_col);
27
28static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) {
29  const MODE_INFO *const above_mi = get_above_mi(xd);
30  const MODE_INFO *const left_mi = get_left_mi(xd);
31  const int above_sip = (above_mi != NULL) ?
32                        above_mi->mbmi.seg_id_predicted : 0;
33  const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;
34
35  return above_sip + left_sip;
36}
37
38static INLINE vp9_prob vp9_get_pred_prob_seg_id(struct segmentation *seg,
39                                                const MACROBLOCKD *xd) {
40  return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
41}
42
43void vp9_set_pred_flag_seg_id(MACROBLOCKD *xd, uint8_t pred_flag);
44
45static INLINE int vp9_get_pred_context_mbskip(const MACROBLOCKD *xd) {
46  const MODE_INFO *const above_mi = get_above_mi(xd);
47  const MODE_INFO *const left_mi = get_left_mi(xd);
48  const int above_skip_coeff = (above_mi != NULL) ?
49                               above_mi->mbmi.skip_coeff : 0;
50  const int left_skip_coeff = (left_mi != NULL) ? left_mi->mbmi.skip_coeff : 0;
51
52  return above_skip_coeff + left_skip_coeff;
53}
54
55static INLINE vp9_prob vp9_get_pred_prob_mbskip(const VP9_COMMON *cm,
56                                                const MACROBLOCKD *xd) {
57  return cm->fc.mbskip_probs[vp9_get_pred_context_mbskip(xd)];
58}
59
60static INLINE unsigned char vp9_get_pred_flag_mbskip(const MACROBLOCKD *xd) {
61  return xd->mi_8x8[0]->mbmi.skip_coeff;
62}
63
64unsigned char vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
65
66unsigned char vp9_get_pred_context_intra_inter(const MACROBLOCKD *xd);
67
68static INLINE vp9_prob vp9_get_pred_prob_intra_inter(const VP9_COMMON *cm,
69                                                     const MACROBLOCKD *xd) {
70  const int pred_context = vp9_get_pred_context_intra_inter(xd);
71  return cm->fc.intra_inter_prob[pred_context];
72}
73
74unsigned char vp9_get_pred_context_comp_inter_inter(const VP9_COMMON *cm,
75                                                    const MACROBLOCKD *xd);
76
77
78static INLINE
79vp9_prob vp9_get_pred_prob_comp_inter_inter(const VP9_COMMON *cm,
80                                            const MACROBLOCKD *xd) {
81  const int pred_context = vp9_get_pred_context_comp_inter_inter(cm, xd);
82  return cm->fc.comp_inter_prob[pred_context];
83}
84
85unsigned char vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
86                                              const MACROBLOCKD *xd);
87
88static INLINE vp9_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
89                                                    const MACROBLOCKD *xd) {
90  const int pred_context = vp9_get_pred_context_comp_ref_p(cm, xd);
91  return cm->fc.comp_ref_prob[pred_context];
92}
93
94unsigned char vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
95
96static INLINE vp9_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
97                                                       const MACROBLOCKD *xd) {
98  const int pred_context = vp9_get_pred_context_single_ref_p1(xd);
99  return cm->fc.single_ref_prob[pred_context][0];
100}
101
102unsigned char vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
103
104static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
105                                                       const MACROBLOCKD *xd) {
106  const int pred_context = vp9_get_pred_context_single_ref_p2(xd);
107  return cm->fc.single_ref_prob[pred_context][1];
108}
109
110unsigned char vp9_get_pred_context_tx_size(const MACROBLOCKD *xd);
111
112static const vp9_prob *get_tx_probs(BLOCK_SIZE bsize, uint8_t context,
113                                    const struct tx_probs *tx_probs) {
114  if (bsize < BLOCK_16X16)
115    return tx_probs->p8x8[context];
116  else if (bsize < BLOCK_32X32)
117    return tx_probs->p16x16[context];
118  else
119    return tx_probs->p32x32[context];
120}
121
122static const vp9_prob *get_tx_probs2(const MACROBLOCKD *xd,
123                                     const struct tx_probs *tx_probs,
124                                     const MODE_INFO *m) {
125  const BLOCK_SIZE bsize = m->mbmi.sb_type;
126  const int context = vp9_get_pred_context_tx_size(xd);
127  return get_tx_probs(bsize, context, tx_probs);
128}
129
130static unsigned int *get_tx_counts(BLOCK_SIZE bsize, uint8_t context,
131                                   struct tx_counts *tx_counts) {
132  if (bsize < BLOCK_16X16)
133    return tx_counts->p8x8[context];
134  else if (bsize < BLOCK_32X32)
135    return tx_counts->p16x16[context];
136  else
137    return tx_counts->p32x32[context];
138}
139
140#endif  // VP9_COMMON_VP9_PRED_COMMON_H_
141