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Diffstat (limited to 'vp8/decoder/demode.c')
| -rw-r--r-- | vp8/decoder/demode.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/vp8/decoder/demode.c b/vp8/decoder/demode.c deleted file mode 100644 index 557508dd8..000000000 --- a/vp8/decoder/demode.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (c) 2010 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. - */ - - -#include "onyxd_int.h" -#include "entropymode.h" -#include "findnearmv.h" - - -int vp8_read_bmode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_bmode_tree, p); - - return i; -} - - -int vp8_read_ymode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_ymode_tree, p); - - return i; -} - -int vp8_kfread_ymode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_kf_ymode_tree, p); - - return i; -} - - - -int vp8_read_uv_mode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_uv_mode_tree, p); - - return i; -} - -void vp8_read_mb_features(vp8_reader *r, MB_MODE_INFO *mi, MACROBLOCKD *x) -{ - // Is segmentation enabled - if (x->segmentation_enabled && x->update_mb_segmentation_map) - { - // If so then read the segment id. - if (vp8_read(r, x->mb_segment_tree_probs[0])) - mi->segment_id = (unsigned char)(2 + vp8_read(r, x->mb_segment_tree_probs[2])); - else - mi->segment_id = (unsigned char)(vp8_read(r, x->mb_segment_tree_probs[1])); - } -} - -void vp8_kfread_modes(VP8D_COMP *pbi) -{ - VP8_COMMON *const cp = & pbi->common; - vp8_reader *const bc = & pbi->bc; - - MODE_INFO *m = cp->mi; - const int ms = cp->mode_info_stride; - - int mb_row = -1; - vp8_prob prob_skip_false = 0; - - if (cp->mb_no_coeff_skip) - prob_skip_false = (vp8_prob)(vp8_read_literal(bc, 8)); - - while (++mb_row < cp->mb_rows) - { - int mb_col = -1; - - while (++mb_col < cp->mb_cols) - { - MB_PREDICTION_MODE y_mode; - - // Read the Macroblock segmentation map if it is being updated explicitly this frame (reset to 0 above by default) - // By default on a key frame reset all MBs to segment 0 - m->mbmi.segment_id = 0; - - if (pbi->mb.update_mb_segmentation_map) - vp8_read_mb_features(bc, &m->mbmi, &pbi->mb); - - // Read the macroblock coeff skip flag if this feature is in use, else default to 0 - if (cp->mb_no_coeff_skip) - m->mbmi.mb_skip_coeff = vp8_read(bc, prob_skip_false); - else - m->mbmi.mb_skip_coeff = 0; - - y_mode = (MB_PREDICTION_MODE) vp8_kfread_ymode(bc, cp->kf_ymode_prob); - - m->mbmi.ref_frame = INTRA_FRAME; - - if ((m->mbmi.mode = y_mode) == B_PRED) - { - int i = 0; - - do - { - const B_PREDICTION_MODE A = vp8_above_bmi(m, i, ms)->mode; - const B_PREDICTION_MODE L = vp8_left_bmi(m, i)->mode; - - m->bmi[i].mode = (B_PREDICTION_MODE) vp8_read_bmode(bc, cp->kf_bmode_prob [A] [L]); - } - while (++i < 16); - } - else - { - int BMode; - int i = 0; - - switch (y_mode) - { - case DC_PRED: - BMode = B_DC_PRED; - break; - case V_PRED: - BMode = B_VE_PRED; - break; - case H_PRED: - BMode = B_HE_PRED; - break; - case TM_PRED: - BMode = B_TM_PRED; - break; - default: - BMode = B_DC_PRED; - break; - } - - do - { - m->bmi[i].mode = (B_PREDICTION_MODE)BMode; - } - while (++i < 16); - } - - (m++)->mbmi.uv_mode = (MB_PREDICTION_MODE)vp8_read_uv_mode(bc, cp->kf_uv_mode_prob); - } - - m++; // skip the border - } -} |