vpx/vp9/common/vp9_pred_common.h

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/*
* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_PRED_COMMON_H_
#define VP9_COMMON_VP9_PRED_COMMON_H_
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_onyxc_int.h"
#ifdef __cplusplus
extern "C" {
#endif
static INLINE const MODE_INFO *get_above_mi(const MACROBLOCKD *const xd) {
return xd->up_available ? xd->mi[-xd->mi_stride] : NULL;
}
static INLINE const MODE_INFO *get_left_mi(const MACROBLOCKD *const xd) {
return xd->left_available ? xd->mi[-1] : NULL;
}
int vp9_get_segment_id(const VP9_COMMON *cm, const uint8_t *segment_ids,
BLOCK_SIZE bsize, int mi_row, int mi_col);
static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) {
const MODE_INFO *const above_mi = get_above_mi(xd);
const MODE_INFO *const left_mi = get_left_mi(xd);
const int above_sip = (above_mi != NULL) ?
above_mi->mbmi.seg_id_predicted : 0;
const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;
return above_sip + left_sip;
}
static INLINE vp9_prob vp9_get_pred_prob_seg_id(const struct segmentation *seg,
const MACROBLOCKD *xd) {
return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
}
static INLINE int vp9_get_skip_context(const MACROBLOCKD *xd) {
const MODE_INFO *const above_mi = get_above_mi(xd);
const MODE_INFO *const left_mi = get_left_mi(xd);
const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip : 0;
const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip : 0;
return above_skip + left_skip;
}
static INLINE vp9_prob vp9_get_skip_prob(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
return cm->fc.skip_probs[vp9_get_skip_context(xd)];
}
int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
int vp9_get_intra_inter_context(const MACROBLOCKD *xd);
static INLINE vp9_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
return cm->fc.intra_inter_prob[vp9_get_intra_inter_context(xd)];
}
int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);
static INLINE vp9_prob vp9_get_reference_mode_prob(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
return cm->fc.comp_inter_prob[vp9_get_reference_mode_context(cm, xd)];
}
int vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
const MACROBLOCKD *xd);
static INLINE vp9_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
const int pred_context = vp9_get_pred_context_comp_ref_p(cm, xd);
return cm->fc.comp_ref_prob[pred_context];
}
int vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
static INLINE vp9_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
return cm->fc.single_ref_prob[vp9_get_pred_context_single_ref_p1(xd)][0];
}
int vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
const MACROBLOCKD *xd) {
return cm->fc.single_ref_prob[vp9_get_pred_context_single_ref_p2(xd)][1];
}
int vp9_get_tx_size_context(const MACROBLOCKD *xd);
static INLINE const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
const struct tx_probs *tx_probs) {
switch (max_tx_size) {
case TX_8X8:
return tx_probs->p8x8[ctx];
case TX_16X16:
return tx_probs->p16x16[ctx];
case TX_32X32:
return tx_probs->p32x32[ctx];
default:
assert(0 && "Invalid max_tx_size.");
return NULL;
}
}
static INLINE const vp9_prob *get_tx_probs2(TX_SIZE max_tx_size,
const MACROBLOCKD *xd,
const struct tx_probs *tx_probs) {
return get_tx_probs(max_tx_size, vp9_get_tx_size_context(xd), tx_probs);
}
static INLINE unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx,
struct tx_counts *tx_counts) {
switch (max_tx_size) {
case TX_8X8:
return tx_counts->p8x8[ctx];
case TX_16X16:
return tx_counts->p16x16[ctx];
case TX_32X32:
return tx_counts->p32x32[ctx];
default:
assert(0 && "Invalid max_tx_size.");
return NULL;
}
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_COMMON_VP9_PRED_COMMON_H_