| /* |
| * 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 VP10_COMMON_PRED_COMMON_H_ |
| #define VP10_COMMON_PRED_COMMON_H_ |
| |
| #include "vp10/common/blockd.h" |
| #include "vp10/common/onyxc_int.h" |
| #include "vpx_dsp/vpx_dsp_common.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| static INLINE int get_segment_id(const VP10_COMMON *cm, |
| const uint8_t *segment_ids, |
| BLOCK_SIZE bsize, int mi_row, int mi_col) { |
| const int mi_offset = mi_row * cm->mi_cols + mi_col; |
| const int bw = num_8x8_blocks_wide_lookup[bsize]; |
| const int bh = num_8x8_blocks_high_lookup[bsize]; |
| const int xmis = VPXMIN(cm->mi_cols - mi_col, bw); |
| const int ymis = VPXMIN(cm->mi_rows - mi_row, bh); |
| int x, y, segment_id = MAX_SEGMENTS; |
| |
| for (y = 0; y < ymis; ++y) |
| for (x = 0; x < xmis; ++x) |
| segment_id = |
| VPXMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]); |
| |
| assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); |
| return segment_id; |
| } |
| |
| static INLINE int vp10_get_pred_context_seg_id(const MACROBLOCKD *xd) { |
| const MODE_INFO *const above_mi = xd->above_mi; |
| const MODE_INFO *const left_mi = xd->left_mi; |
| 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 vpx_prob vp10_get_pred_prob_seg_id( |
| const struct segmentation_probs *segp, const MACROBLOCKD *xd) { |
| return segp->pred_probs[vp10_get_pred_context_seg_id(xd)]; |
| } |
| |
| static INLINE int vp10_get_skip_context(const MACROBLOCKD *xd) { |
| const MODE_INFO *const above_mi = xd->above_mi; |
| const MODE_INFO *const left_mi = xd->left_mi; |
| 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 vpx_prob vp10_get_skip_prob(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| return cm->fc->skip_probs[vp10_get_skip_context(xd)]; |
| } |
| |
| int vp10_get_pred_context_switchable_interp(const MACROBLOCKD *xd); |
| |
| int vp10_get_intra_inter_context(const MACROBLOCKD *xd); |
| |
| static INLINE vpx_prob vp10_get_intra_inter_prob(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| return cm->fc->intra_inter_prob[vp10_get_intra_inter_context(xd)]; |
| } |
| |
| int vp10_get_reference_mode_context(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd); |
| |
| static INLINE vpx_prob vp10_get_reference_mode_prob(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| return cm->fc->comp_inter_prob[vp10_get_reference_mode_context(cm, xd)]; |
| } |
| |
| int vp10_get_pred_context_comp_ref_p(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd); |
| |
| static INLINE vpx_prob vp10_get_pred_prob_comp_ref_p(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| const int pred_context = vp10_get_pred_context_comp_ref_p(cm, xd); |
| return cm->fc->comp_ref_prob[pred_context]; |
| } |
| |
| int vp10_get_pred_context_single_ref_p1(const MACROBLOCKD *xd); |
| |
| static INLINE vpx_prob vp10_get_pred_prob_single_ref_p1(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| return cm->fc->single_ref_prob[vp10_get_pred_context_single_ref_p1(xd)][0]; |
| } |
| |
| int vp10_get_pred_context_single_ref_p2(const MACROBLOCKD *xd); |
| |
| static INLINE vpx_prob vp10_get_pred_prob_single_ref_p2(const VP10_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| return cm->fc->single_ref_prob[vp10_get_pred_context_single_ref_p2(xd)][1]; |
| } |
| |
| // Returns a context number for the given MB prediction signal |
| // The mode info data structure has a one element border above and to the |
| // left of the entries corresponding to real blocks. |
| // The prediction flags in these dummy entries are initialized to 0. |
| static INLINE int get_tx_size_context(const MACROBLOCKD *xd) { |
| const int max_tx_size = max_txsize_lookup[xd->mi[0]->mbmi.sb_type]; |
| const MB_MODE_INFO *const above_mbmi = xd->above_mbmi; |
| const MB_MODE_INFO *const left_mbmi = xd->left_mbmi; |
| const int has_above = xd->up_available; |
| const int has_left = xd->left_available; |
| int above_ctx = (has_above && !above_mbmi->skip) ? (int)above_mbmi->tx_size |
| : max_tx_size; |
| int left_ctx = (has_left && !left_mbmi->skip) ? (int)left_mbmi->tx_size |
| : max_tx_size; |
| if (!has_left) |
| left_ctx = above_ctx; |
| |
| if (!has_above) |
| above_ctx = left_ctx; |
| |
| return (above_ctx + left_ctx) > max_tx_size; |
| } |
| |
| static INLINE const vpx_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 vpx_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, 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 // VP10_COMMON_PRED_COMMON_H_ |