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 static 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 21 static INLINE const MODE_INFO *get_left_mi(const MACROBLOCKD *const xd) { 22 return xd->left_available ? xd->mi_8x8[-1] : NULL; 23 } 24 25 int vp9_get_segment_id(VP9_COMMON *cm, const uint8_t *segment_ids, 26 BLOCK_SIZE bsize, int mi_row, int mi_col); 27 28 static 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 38 static 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 43 void vp9_set_pred_flag_seg_id(MACROBLOCKD *xd, uint8_t pred_flag); 44 45 static 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 55 static 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 60 static INLINE unsigned char vp9_get_pred_flag_mbskip(const MACROBLOCKD *xd) { 61 return xd->mi_8x8[0]->mbmi.skip_coeff; 62 } 63 64 unsigned char vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd); 65 66 unsigned char vp9_get_pred_context_intra_inter(const MACROBLOCKD *xd); 67 68 static 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 74 unsigned char vp9_get_pred_context_comp_inter_inter(const VP9_COMMON *cm, 75 const MACROBLOCKD *xd); 76 77 78 static INLINE 79 vp9_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 85 unsigned char vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm, 86 const MACROBLOCKD *xd); 87 88 static 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 94 unsigned char vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd); 95 96 static 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 } 101 102 unsigned char vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd); 103 104 static 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 } 109 110 unsigned char vp9_get_pred_context_tx_size(const MACROBLOCKD *xd); 111 112 static const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx, 113 const struct tx_probs *tx_probs) { 114 switch (max_tx_size) { 115 case TX_8X8: 116 return tx_probs->p8x8[ctx]; 117 case TX_16X16: 118 return tx_probs->p16x16[ctx]; 119 case TX_32X32: 120 return tx_probs->p32x32[ctx]; 121 default: 122 assert(!"Invalid max_tx_size."); 123 return NULL; 124 } 125 } 126 127 static const vp9_prob *get_tx_probs2(TX_SIZE max_tx_size, const MACROBLOCKD *xd, 128 const struct tx_probs *tx_probs) { 129 const int ctx = vp9_get_pred_context_tx_size(xd); 130 return get_tx_probs(max_tx_size, ctx, tx_probs); 131 } 132 133 static unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx, 134 struct tx_counts *tx_counts) { 135 switch (max_tx_size) { 136 case TX_8X8: 137 return tx_counts->p8x8[ctx]; 138 case TX_16X16: 139 return tx_counts->p16x16[ctx]; 140 case TX_32X32: 141 return tx_counts->p32x32[ctx]; 142 default: 143 assert(!"Invalid max_tx_size."); 144 return NULL; 145 } 146 } 147 148 #endif // VP9_COMMON_VP9_PRED_COMMON_H_ 149