150 lines
5.2 KiB
C
150 lines
5.2 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_PRED_COMMON_H_
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#define VP9_COMMON_VP9_PRED_COMMON_H_
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#include "vp9/common/vp9_blockd.h"
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#include "vp9/common/vp9_onyxc_int.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static INLINE int get_segment_id(const VP9_COMMON *cm,
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const uint8_t *segment_ids,
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BLOCK_SIZE bsize, int mi_row, int mi_col) {
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const int mi_offset = mi_row * cm->mi_cols + mi_col;
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const int bw = num_8x8_blocks_wide_lookup[bsize];
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const int bh = num_8x8_blocks_high_lookup[bsize];
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const int xmis = MIN(cm->mi_cols - mi_col, bw);
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const int ymis = MIN(cm->mi_rows - mi_row, bh);
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int x, y, segment_id = MAX_SEGMENTS;
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for (y = 0; y < ymis; ++y)
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for (x = 0; x < xmis; ++x)
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segment_id = MIN(segment_id,
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segment_ids[mi_offset + y * cm->mi_cols + x]);
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assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
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return segment_id;
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}
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static INLINE int vp9_get_pred_context_seg_id(const MACROBLOCKD *xd) {
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const MODE_INFO *const above_mi = xd->above_mi;
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const MODE_INFO *const left_mi = xd->left_mi;
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const int above_sip = (above_mi != NULL) ?
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above_mi->mbmi.seg_id_predicted : 0;
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const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;
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return above_sip + left_sip;
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}
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static INLINE vp9_prob vp9_get_pred_prob_seg_id(const struct segmentation *seg,
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const MACROBLOCKD *xd) {
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return seg->pred_probs[vp9_get_pred_context_seg_id(xd)];
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}
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static INLINE int vp9_get_skip_context(const MACROBLOCKD *xd) {
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const MODE_INFO *const above_mi = xd->above_mi;
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const MODE_INFO *const left_mi = xd->left_mi;
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const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip : 0;
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const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip : 0;
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return above_skip + left_skip;
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}
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static INLINE vp9_prob vp9_get_skip_prob(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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return cm->fc->skip_probs[vp9_get_skip_context(xd)];
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}
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int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
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int vp9_get_intra_inter_context(const MACROBLOCKD *xd);
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static INLINE vp9_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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return cm->fc->intra_inter_prob[vp9_get_intra_inter_context(xd)];
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}
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int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);
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static INLINE vp9_prob vp9_get_reference_mode_prob(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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return cm->fc->comp_inter_prob[vp9_get_reference_mode_context(cm, xd)];
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}
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int vp9_get_pred_context_comp_ref_p(const VP9_COMMON *cm,
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const MACROBLOCKD *xd);
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static INLINE vp9_prob vp9_get_pred_prob_comp_ref_p(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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const int pred_context = vp9_get_pred_context_comp_ref_p(cm, xd);
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return cm->fc->comp_ref_prob[pred_context];
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}
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int vp9_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
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static INLINE vp9_prob vp9_get_pred_prob_single_ref_p1(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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return cm->fc->single_ref_prob[vp9_get_pred_context_single_ref_p1(xd)][0];
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}
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int vp9_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
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static INLINE vp9_prob vp9_get_pred_prob_single_ref_p2(const VP9_COMMON *cm,
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const MACROBLOCKD *xd) {
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return cm->fc->single_ref_prob[vp9_get_pred_context_single_ref_p2(xd)][1];
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}
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int vp9_get_tx_size_context(const MACROBLOCKD *xd);
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static INLINE const vp9_prob *get_tx_probs(TX_SIZE max_tx_size, int ctx,
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const struct tx_probs *tx_probs) {
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switch (max_tx_size) {
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case TX_8X8:
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return tx_probs->p8x8[ctx];
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case TX_16X16:
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return tx_probs->p16x16[ctx];
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case TX_32X32:
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return tx_probs->p32x32[ctx];
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default:
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assert(0 && "Invalid max_tx_size.");
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return NULL;
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}
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}
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static INLINE const vp9_prob *get_tx_probs2(TX_SIZE max_tx_size,
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const MACROBLOCKD *xd,
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const struct tx_probs *tx_probs) {
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return get_tx_probs(max_tx_size, vp9_get_tx_size_context(xd), tx_probs);
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}
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static INLINE unsigned int *get_tx_counts(TX_SIZE max_tx_size, int ctx,
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struct tx_counts *tx_counts) {
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switch (max_tx_size) {
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case TX_8X8:
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return tx_counts->p8x8[ctx];
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case TX_16X16:
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return tx_counts->p16x16[ctx];
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case TX_32X32:
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return tx_counts->p32x32[ctx];
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default:
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assert(0 && "Invalid max_tx_size.");
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return NULL;
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_PRED_COMMON_H_
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