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
17int vp9_get_segment_id(VP9_COMMON *cm, const uint8_t *segment_ids,
18                       BLOCK_SIZE bsize, int mi_row, int mi_col);
19
20
21static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) {
22  const MODE_INFO * const above_mi = xd->mi_8x8[-xd->mode_info_stride];
23  const MODE_INFO * const left_mi = xd->mi_8x8[-1];
24  const int above_sip = above_mi ? above_mi->mbmi.seg_id_predicted : 0;
25  const int left_sip = left_mi ? left_mi->mbmi.seg_id_predicted : 0;
26
27  return above_sip + (xd->left_available ? left_sip : 0);
28}
29
30static INLINE vp9_prob vp9_get_pred_prob_seg_id(struct segmentation *seg,
31                                                const MACROBLOCKD *xd) {
32  return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
33}
34
35void vp9_set_pred_flag_seg_id(MACROBLOCKD *xd, uint8_t pred_flag);
36
37static INLINE int vp9_get_pred_context_mbskip(const MACROBLOCKD *xd) {
38  const MODE_INFO * const above_mi = xd->mi_8x8[-xd->mode_info_stride];
39  const MODE_INFO * const left_mi = xd->mi_8x8[-1];
40  const int above_skip_coeff = above_mi ? above_mi->mbmi.skip_coeff : 0;
41  const int left_skip_coeff = left_mi ? left_mi->mbmi.skip_coeff : 0;
42
43  return above_skip_coeff + (xd->left_available ? left_skip_coeff : 0);
44}
45
46static INLINE vp9_prob vp9_get_pred_prob_mbskip(const VP9_COMMON *cm,
47                                                const MACROBLOCKD *xd) {
48  return cm->fc.mbskip_probs[vp9_get_pred_context_mbskip(xd)];
49}
50
51static INLINE unsigned char vp9_get_pred_flag_mbskip(const MACROBLOCKD *xd) {
52  return xd->this_mi->mbmi.skip_coeff;
53}
54
55void vp9_set_pred_flag_mbskip(MACROBLOCKD *xd, BLOCK_SIZE bsize,
56                              uint8_t pred_flag);
57
58unsigned char vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
59
60unsigned char vp9_get_pred_context_intra_inter(const MACROBLOCKD *xd);
61
62static INLINE vp9_prob vp9_get_pred_prob_intra_inter(const VP9_COMMON *cm,
63                                                     const MACROBLOCKD *xd) {
64  const int pred_context = vp9_get_pred_context_intra_inter(xd);
65  return cm->fc.intra_inter_prob[pred_context];
66}
67
68unsigned char vp9_get_pred_context_comp_inter_inter(const VP9_COMMON *cm,
69                                                    const MACROBLOCKD *xd);
70
71
72static INLINE vp9_prob vp9_get_pred_prob_comp_inter_inter(const VP9_COMMON *cm,
73                                                          const MACROBLOCKD *xd) {
74  const int pred_context = vp9_get_pred_context_comp_inter_inter(cm, xd);
75  return cm->fc.comp_inter_prob[pred_context];
76}
77
78unsigned char vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
79                                              const MACROBLOCKD *xd);
80
81static INLINE vp9_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
82                                                    const MACROBLOCKD *xd) {
83  const int pred_context = vp9_get_pred_context_comp_ref_p(cm, xd);
84  return cm->fc.comp_ref_prob[pred_context];
85}
86
87unsigned char vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
88
89static INLINE vp9_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
90                                                       const MACROBLOCKD *xd) {
91  const int pred_context = vp9_get_pred_context_single_ref_p1(xd);
92  return cm->fc.single_ref_prob[pred_context][0];
93}
94
95unsigned char vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
96
97static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
98                                                       const MACROBLOCKD *xd) {
99  const int pred_context = vp9_get_pred_context_single_ref_p2(xd);
100  return cm->fc.single_ref_prob[pred_context][1];
101}
102
103unsigned char vp9_get_pred_context_tx_size(const MACROBLOCKD *xd);
104
105static const vp9_prob *get_tx_probs(BLOCK_SIZE bsize, uint8_t context,
106                                    const struct tx_probs *tx_probs) {
107  if (bsize < BLOCK_16X16)
108    return tx_probs->p8x8[context];
109  else if (bsize < BLOCK_32X32)
110    return tx_probs->p16x16[context];
111  else
112    return tx_probs->p32x32[context];
113}
114
115static const vp9_prob *get_tx_probs2(const MACROBLOCKD *xd,
116                                     const struct tx_probs *tx_probs,
117                                     const MODE_INFO *m) {
118  const BLOCK_SIZE bsize = m->mbmi.sb_type;
119  const int context = vp9_get_pred_context_tx_size(xd);
120  return get_tx_probs(bsize, context, tx_probs);
121}
122
123static void update_tx_counts(BLOCK_SIZE bsize, uint8_t context,
124                             TX_SIZE tx_size, struct tx_counts *tx_counts) {
125  if (bsize >= BLOCK_32X32)
126    tx_counts->p32x32[context][tx_size]++;
127  else if (bsize >= BLOCK_16X16)
128    tx_counts->p16x16[context][tx_size]++;
129  else
130    tx_counts->p8x8[context][tx_size]++;
131}
132
133#endif  // VP9_COMMON_VP9_PRED_COMMON_H_
134