2010-05-18 17:58:33 +02:00
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/*
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2012-02-27 19:22:38 +01:00
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Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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2010-05-18 17:58:33 +02:00
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*
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2010-06-18 18:39:21 +02:00
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* Use of this source code is governed by a BSD-style license
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2010-06-04 22:19:40 +02:00
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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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2010-06-18 18:39:21 +02:00
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* in the file PATENTS. All contributing project authors may
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2010-06-04 22:19:40 +02:00
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* be found in the AUTHORS file in the root of the source tree.
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2010-05-18 17:58:33 +02:00
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*/
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#include "treereader.h"
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2012-11-01 19:09:58 +01:00
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#include "vp9/common/entropymv.h"
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#include "vp9/common/entropymode.h"
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2010-05-18 17:58:33 +02:00
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#include "onyxd_int.h"
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2012-11-01 19:09:58 +01:00
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#include "vp9/common/findnearmv.h"
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2010-09-09 20:42:48 +02:00
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2012-11-01 19:09:58 +01:00
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#include "vp9/common/seg_common.h"
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#include "vp9/common/pred_common.h"
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#include "vp9/common/entropy.h"
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#include "vp9/decoder/decodemv.h"
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2012-11-12 18:21:10 +01:00
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#include "vp9/common/mvref_common.h"
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2010-05-18 17:58:33 +02:00
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#if CONFIG_DEBUG
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#include <assert.h>
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#endif
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2012-02-16 18:29:54 +01:00
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2012-07-14 00:21:29 +02:00
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// #define DEBUG_DEC_MV
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2012-02-16 18:29:54 +01:00
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#ifdef DEBUG_DEC_MV
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int dec_mvcount = 0;
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#endif
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2012-10-31 22:40:53 +01:00
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static int read_bmode(vp9_reader *bc, const vp9_prob *p) {
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2012-10-09 22:19:15 +02:00
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B_PREDICTION_MODE m = treed_read(bc, vp9_bmode_tree, p);
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#if CONFIG_NEWBINTRAMODES
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if (m == B_CONTEXT_PRED - CONTEXT_PRED_REPLACEMENTS)
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m = B_CONTEXT_PRED;
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assert(m < B_CONTEXT_PRED - CONTEXT_PRED_REPLACEMENTS || m == B_CONTEXT_PRED);
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#endif
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return m;
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}
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static int read_kf_bmode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_kf_bmode_tree, p);
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2010-09-09 20:42:48 +02:00
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}
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2012-10-31 22:40:53 +01:00
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static int read_ymode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_ymode_tree, p);
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2012-08-20 23:43:34 +02:00
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}
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2010-09-09 20:42:48 +02:00
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2012-08-20 23:43:34 +02:00
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#if CONFIG_SUPERBLOCKS
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2012-10-31 22:40:53 +01:00
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static int read_kf_sb_ymode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_uv_mode_tree, p);
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2010-09-09 20:42:48 +02:00
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}
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2012-08-20 23:43:34 +02:00
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#endif
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2010-09-09 20:42:48 +02:00
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2012-10-31 22:40:53 +01:00
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static int read_kf_mb_ymode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_kf_ymode_tree, p);
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2010-09-09 20:42:48 +02:00
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}
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2012-10-31 22:40:53 +01:00
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static int read_i8x8_mode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_i8x8_mode_tree, p);
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2011-08-05 01:30:27 +02:00
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}
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2010-09-09 20:42:48 +02:00
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2012-10-31 22:40:53 +01:00
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static int read_uv_mode(vp9_reader *bc, const vp9_prob *p) {
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return treed_read(bc, vp9_uv_mode_tree, p);
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2010-09-09 20:42:48 +02:00
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}
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2012-02-02 18:04:40 +01:00
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// This function reads the current macro block's segnent id from the bitstream
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2011-11-11 11:10:06 +01:00
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// It should only be called if a segment map update is indicated.
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2012-10-31 22:40:53 +01:00
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static void read_mb_segid(vp9_reader *r, MB_MODE_INFO *mi,
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MACROBLOCKD *xd) {
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2012-07-14 00:21:29 +02:00
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/* Is segmentation enabled */
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2012-08-15 12:00:53 +02:00
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if (xd->segmentation_enabled && xd->update_mb_segmentation_map) {
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2012-07-14 00:21:29 +02:00
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/* If so then read the segment id. */
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2012-10-31 22:40:53 +01:00
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if (vp9_read(r, xd->mb_segment_tree_probs[0]))
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2012-08-15 12:00:53 +02:00
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mi->segment_id =
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2012-10-31 22:40:53 +01:00
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(unsigned char)(2 + vp9_read(r, xd->mb_segment_tree_probs[2]));
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2012-07-14 00:21:29 +02:00
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else
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2012-08-15 12:00:53 +02:00
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mi->segment_id =
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2012-10-31 22:40:53 +01:00
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(unsigned char)(vp9_read(r, xd->mb_segment_tree_probs[1]));
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2012-07-14 00:21:29 +02:00
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}
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2010-09-09 20:42:48 +02:00
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}
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2012-03-19 19:02:04 +01:00
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2012-10-25 14:58:21 +02:00
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#if CONFIG_NEW_MVREF
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2012-10-31 22:40:53 +01:00
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int vp9_read_mv_ref_id(vp9_reader *r,
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vp9_prob * ref_id_probs) {
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2012-10-25 14:58:21 +02:00
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int ref_index = 0;
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2012-10-31 22:40:53 +01:00
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if (vp9_read(r, ref_id_probs[0])) {
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2012-10-25 14:58:21 +02:00
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ref_index++;
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2012-10-31 22:40:53 +01:00
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if (vp9_read(r, ref_id_probs[1])) {
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2012-10-25 14:58:21 +02:00
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ref_index++;
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2012-10-31 22:40:53 +01:00
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if (vp9_read(r, ref_id_probs[2]))
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2012-10-25 14:58:21 +02:00
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ref_index++;
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}
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}
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return ref_index;
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}
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#endif
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2012-10-31 01:12:12 +01:00
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extern const int vp9_i8x8_block[4];
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2012-10-31 01:53:32 +01:00
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static void kfread_modes(VP9D_COMP *pbi,
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2012-10-18 01:47:38 +02:00
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MODE_INFO *m,
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int mb_row,
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int mb_col,
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BOOL_DECODER* const bc) {
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2012-10-31 01:53:32 +01:00
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VP9_COMMON *const cm = &pbi->common;
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2012-07-14 00:21:29 +02:00
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const int mis = pbi->common.mode_info_stride;
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int map_index = mb_row * pbi->common.mb_cols + mb_col;
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MB_PREDICTION_MODE y_mode;
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// Read the Macroblock segmentation map if it is being updated explicitly
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// this frame (reset to 0 by default).
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m->mbmi.segment_id = 0;
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if (pbi->mb.update_mb_segmentation_map) {
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2012-10-31 22:40:53 +01:00
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read_mb_segid(bc, &m->mbmi, &pbi->mb);
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2012-07-14 00:21:29 +02:00
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pbi->common.last_frame_seg_map[map_index] = m->mbmi.segment_id;
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}
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m->mbmi.mb_skip_coeff = 0;
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if (pbi->common.mb_no_coeff_skip &&
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2012-10-30 06:15:27 +01:00
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(!vp9_segfeature_active(&pbi->mb,
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m->mbmi.segment_id, SEG_LVL_EOB) ||
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(vp9_get_segdata(&pbi->mb,
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m->mbmi.segment_id, SEG_LVL_EOB) != 0))) {
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2012-10-17 23:51:27 +02:00
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MACROBLOCKD *const xd = &pbi->mb;
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2012-10-29 14:44:18 +01:00
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m->mbmi.mb_skip_coeff =
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2012-10-31 22:40:53 +01:00
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vp9_read(bc, vp9_get_pred_prob(cm, xd, PRED_MBSKIP));
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2012-07-14 00:21:29 +02:00
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} else {
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2012-10-30 06:15:27 +01:00
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if (vp9_segfeature_active(&pbi->mb,
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m->mbmi.segment_id, SEG_LVL_EOB) &&
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(vp9_get_segdata(&pbi->mb,
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m->mbmi.segment_id, SEG_LVL_EOB) == 0)) {
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2012-07-14 00:21:29 +02:00
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m->mbmi.mb_skip_coeff = 1;
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} else
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m->mbmi.mb_skip_coeff = 0;
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}
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2012-08-20 23:43:34 +02:00
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#if CONFIG_SUPERBLOCKS
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if (m->mbmi.encoded_as_sb) {
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2012-10-31 22:40:53 +01:00
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y_mode = (MB_PREDICTION_MODE) read_kf_sb_ymode(bc,
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2012-08-20 23:43:34 +02:00
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pbi->common.sb_kf_ymode_prob[pbi->common.kf_ymode_probs_index]);
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} else
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#endif
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2012-10-31 22:40:53 +01:00
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y_mode = (MB_PREDICTION_MODE) read_kf_mb_ymode(bc,
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2012-08-20 23:43:34 +02:00
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pbi->common.kf_ymode_prob[pbi->common.kf_ymode_probs_index]);
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2012-02-29 02:12:08 +01:00
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#if CONFIG_COMP_INTRA_PRED
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2012-07-14 00:21:29 +02:00
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m->mbmi.second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
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2012-02-29 02:12:08 +01:00
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#endif
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2012-01-27 19:35:14 +01:00
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2012-07-14 00:21:29 +02:00
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m->mbmi.ref_frame = INTRA_FRAME;
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2011-11-21 12:07:28 +01:00
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2012-07-14 00:21:29 +02:00
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if ((m->mbmi.mode = y_mode) == B_PRED) {
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int i = 0;
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2012-03-02 20:18:24 +01:00
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#if CONFIG_COMP_INTRA_PRED
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2012-10-09 22:19:15 +02:00
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int use_comp_pred = vp9_read(bc, DEFAULT_COMP_INTRA_PROB);
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2012-03-02 20:18:24 +01:00
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#endif
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2012-07-14 00:21:29 +02:00
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do {
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const B_PREDICTION_MODE A = above_block_mode(m, i, mis);
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const B_PREDICTION_MODE L = left_block_mode(m, i);
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2011-11-21 12:07:28 +01:00
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2012-07-14 00:21:29 +02:00
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m->bmi[i].as_mode.first =
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2012-10-09 22:19:15 +02:00
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(B_PREDICTION_MODE) read_kf_bmode(
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2012-07-14 00:21:29 +02:00
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bc, pbi->common.kf_bmode_prob [A] [L]);
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2012-02-29 02:12:08 +01:00
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#if CONFIG_COMP_INTRA_PRED
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2012-07-14 00:21:29 +02:00
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if (use_comp_pred) {
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m->bmi[i].as_mode.second =
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2012-10-09 22:19:15 +02:00
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(B_PREDICTION_MODE) read_kf_bmode(
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2012-07-14 00:21:29 +02:00
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bc, pbi->common.kf_bmode_prob [A] [L]);
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} else {
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m->bmi[i].as_mode.second = (B_PREDICTION_MODE)(B_DC_PRED - 1);
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}
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2012-02-29 02:12:08 +01:00
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#endif
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2012-07-14 00:21:29 +02:00
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} while (++i < 16);
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}
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if ((m->mbmi.mode = y_mode) == I8X8_PRED) {
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int i;
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int mode8x8;
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for (i = 0; i < 4; i++) {
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2012-10-31 01:12:12 +01:00
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int ib = vp9_i8x8_block[i];
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2012-10-31 22:40:53 +01:00
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mode8x8 = read_i8x8_mode(bc, pbi->common.fc.i8x8_mode_prob);
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2012-07-14 00:21:29 +02:00
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m->bmi[ib + 0].as_mode.first = mode8x8;
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m->bmi[ib + 1].as_mode.first = mode8x8;
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m->bmi[ib + 4].as_mode.first = mode8x8;
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m->bmi[ib + 5].as_mode.first = mode8x8;
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2012-02-29 02:12:08 +01:00
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#if CONFIG_COMP_INTRA_PRED
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2012-07-14 00:21:29 +02:00
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m->bmi[ib + 0].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
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m->bmi[ib + 1].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
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m->bmi[ib + 4].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
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m->bmi[ib + 5].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
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2012-02-29 02:12:08 +01:00
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#endif
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2012-07-14 00:21:29 +02:00
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}
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} else
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2012-10-31 22:40:53 +01:00
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m->mbmi.uv_mode = (MB_PREDICTION_MODE)read_uv_mode(bc,
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pbi->common.kf_uv_mode_prob[m->mbmi.mode]);
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2012-02-29 02:12:08 +01:00
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#if CONFIG_COMP_INTRA_PRED
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2012-07-14 00:21:29 +02:00
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m->mbmi.second_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
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2012-02-29 02:12:08 +01:00
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#endif
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2012-04-18 18:08:55 +02:00
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2012-10-09 18:18:21 +02:00
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if (cm->txfm_mode == TX_MODE_SELECT && m->mbmi.mb_skip_coeff == 0 &&
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2012-10-11 02:18:22 +02:00
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m->mbmi.mode <= I8X8_PRED) {
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2012-10-09 18:18:21 +02:00
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// FIXME(rbultje) code ternary symbol once all experiments are merged
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2012-10-31 22:40:53 +01:00
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m->mbmi.txfm_size = vp9_read(bc, cm->prob_tx[0]);
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2012-10-11 02:18:22 +02:00
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if (m->mbmi.txfm_size != TX_4X4 && m->mbmi.mode != I8X8_PRED)
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2012-10-31 22:40:53 +01:00
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m->mbmi.txfm_size += vp9_read(bc, cm->prob_tx[1]);
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2012-10-23 01:52:28 +02:00
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} else if (cm->txfm_mode >= ALLOW_16X16 && m->mbmi.mode <= TM_PRED) {
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2012-10-09 18:18:21 +02:00
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m->mbmi.txfm_size = TX_16X16;
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2012-10-10 20:20:33 +02:00
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} else if (cm->txfm_mode >= ALLOW_8X8 && m->mbmi.mode != B_PRED) {
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2012-10-09 18:18:21 +02:00
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m->mbmi.txfm_size = TX_8X8;
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} else {
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m->mbmi.txfm_size = TX_4X4;
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}
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2010-09-09 20:42:48 +02:00
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}
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2010-05-18 17:58:33 +02:00
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2012-10-31 22:40:53 +01:00
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static int read_nmv_component(vp9_reader *r,
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2012-07-26 22:42:07 +02:00
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int rv,
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const nmv_component *mvcomp) {
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int v, s, z, c, o, d;
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2012-10-31 22:40:53 +01:00
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s = vp9_read(r, mvcomp->sign);
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c = treed_read(r, vp9_mv_class_tree, mvcomp->classes);
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2012-07-26 22:42:07 +02:00
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if (c == MV_CLASS_0) {
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2012-10-31 22:40:53 +01:00
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d = treed_read(r, vp9_mv_class0_tree, mvcomp->class0);
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2012-07-26 22:42:07 +02:00
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} else {
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int i, b;
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d = 0;
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b = c + CLASS0_BITS - 1; /* number of bits */
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for (i = 0; i < b; ++i)
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2012-10-31 22:40:53 +01:00
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d |= (vp9_read(r, mvcomp->bits[i]) << i);
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2012-07-26 22:42:07 +02:00
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}
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o = d << 3;
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2012-10-31 00:25:53 +01:00
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z = vp9_get_mv_mag(c, o);
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2012-10-22 21:19:00 +02:00
|
|
|
v = (s ? -(z + 8) : (z + 8));
|
2012-07-26 22:42:07 +02:00
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static int read_nmv_component_fp(vp9_reader *r,
|
2012-07-26 22:42:07 +02:00
|
|
|
int v,
|
|
|
|
int rv,
|
|
|
|
const nmv_component *mvcomp,
|
|
|
|
int usehp) {
|
|
|
|
int s, z, c, o, d, e, f;
|
|
|
|
s = v < 0;
|
|
|
|
z = (s ? -v : v) - 1; /* magnitude - 1 */
|
2012-10-22 21:19:00 +02:00
|
|
|
z &= ~7;
|
2012-07-26 22:42:07 +02:00
|
|
|
|
2012-10-31 00:25:53 +01:00
|
|
|
c = vp9_get_mv_class(z, &o);
|
2012-07-26 22:42:07 +02:00
|
|
|
d = o >> 3;
|
|
|
|
|
|
|
|
if (c == MV_CLASS_0) {
|
2012-10-31 22:40:53 +01:00
|
|
|
f = treed_read(r, vp9_mv_fp_tree, mvcomp->class0_fp[d]);
|
2012-07-26 22:42:07 +02:00
|
|
|
} else {
|
2012-10-31 22:40:53 +01:00
|
|
|
f = treed_read(r, vp9_mv_fp_tree, mvcomp->fp);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
o += (f << 1);
|
|
|
|
|
|
|
|
if (usehp) {
|
|
|
|
if (c == MV_CLASS_0) {
|
2012-10-31 22:40:53 +01:00
|
|
|
e = vp9_read(r, mvcomp->class0_hp);
|
2012-07-26 22:42:07 +02:00
|
|
|
} else {
|
2012-10-31 22:40:53 +01:00
|
|
|
e = vp9_read(r, mvcomp->hp);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
o += e;
|
|
|
|
} else {
|
|
|
|
++o; /* Note if hp is not used, the default value of the hp bit is 1 */
|
|
|
|
}
|
2012-10-31 00:25:53 +01:00
|
|
|
z = vp9_get_mv_mag(c, o);
|
2012-07-26 22:42:07 +02:00
|
|
|
v = (s ? -(z + 1) : (z + 1));
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static void read_nmv(vp9_reader *r, MV *mv, const MV *ref,
|
2012-07-26 22:42:07 +02:00
|
|
|
const nmv_context *mvctx) {
|
2012-10-31 22:40:53 +01:00
|
|
|
MV_JOINT_TYPE j = treed_read(r, vp9_mv_joint_tree, mvctx->joints);
|
2012-07-26 22:42:07 +02:00
|
|
|
mv->row = mv-> col = 0;
|
|
|
|
if (j == MV_JOINT_HZVNZ || j == MV_JOINT_HNZVNZ) {
|
|
|
|
mv->row = read_nmv_component(r, ref->row, &mvctx->comps[0]);
|
|
|
|
}
|
|
|
|
if (j == MV_JOINT_HNZVZ || j == MV_JOINT_HNZVNZ) {
|
|
|
|
mv->col = read_nmv_component(r, ref->col, &mvctx->comps[1]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static void read_nmv_fp(vp9_reader *r, MV *mv, const MV *ref,
|
2012-07-26 22:42:07 +02:00
|
|
|
const nmv_context *mvctx, int usehp) {
|
2012-10-31 00:25:53 +01:00
|
|
|
MV_JOINT_TYPE j = vp9_get_mv_joint(*mv);
|
|
|
|
usehp = usehp && vp9_use_nmv_hp(ref);
|
2012-07-26 22:42:07 +02:00
|
|
|
if (j == MV_JOINT_HZVNZ || j == MV_JOINT_HNZVNZ) {
|
|
|
|
mv->row = read_nmv_component_fp(r, mv->row, ref->row, &mvctx->comps[0],
|
|
|
|
usehp);
|
|
|
|
}
|
|
|
|
if (j == MV_JOINT_HNZVZ || j == MV_JOINT_HNZVNZ) {
|
|
|
|
mv->col = read_nmv_component_fp(r, mv->col, ref->col, &mvctx->comps[1],
|
|
|
|
usehp);
|
|
|
|
}
|
2012-09-06 18:07:42 +02:00
|
|
|
//printf(" %d: %d %d ref: %d %d\n", usehp, mv->row, mv-> col, ref->row, ref->col);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static void update_nmv(vp9_reader *bc, vp9_prob *const p,
|
|
|
|
const vp9_prob upd_p) {
|
|
|
|
if (vp9_read(bc, upd_p)) {
|
2012-07-26 22:42:07 +02:00
|
|
|
#ifdef LOW_PRECISION_MV_UPDATE
|
2012-10-31 22:40:53 +01:00
|
|
|
*p = (vp9_read_literal(bc, 7) << 1) | 1;
|
2012-07-26 22:42:07 +02:00
|
|
|
#else
|
2012-10-31 22:40:53 +01:00
|
|
|
*p = (vp9_read_literal(bc, 8));
|
2012-07-26 22:42:07 +02:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static void read_nmvprobs(vp9_reader *bc, nmv_context *mvctx,
|
2012-07-26 22:42:07 +02:00
|
|
|
int usehp) {
|
|
|
|
int i, j, k;
|
|
|
|
#ifdef MV_GROUP_UPDATE
|
2012-10-31 22:40:53 +01:00
|
|
|
if (!vp9_read_bit(bc)) return;
|
2012-07-26 22:42:07 +02:00
|
|
|
#endif
|
|
|
|
for (j = 0; j < MV_JOINTS - 1; ++j) {
|
|
|
|
update_nmv(bc, &mvctx->joints[j],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].sign,
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
for (j = 0; j < MV_CLASSES - 1; ++j) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].classes[j],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
for (j = 0; j < CLASS0_SIZE - 1; ++j) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].class0[j],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
for (j = 0; j < MV_OFFSET_BITS; ++j) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].bits[j],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
|
|
for (j = 0; j < CLASS0_SIZE; ++j) {
|
|
|
|
for (k = 0; k < 3; ++k)
|
|
|
|
update_nmv(bc, &mvctx->comps[i].class0_fp[j][k],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
for (j = 0; j < 3; ++j) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].fp[j],
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (usehp) {
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
|
|
update_nmv(bc, &mvctx->comps[i].class0_hp,
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
update_nmv(bc, &mvctx->comps[i].hp,
|
2012-10-31 22:40:53 +01:00
|
|
|
VP9_NMV_UPDATE_PROB);
|
2012-07-26 22:42:07 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-09-30 17:45:16 +02:00
|
|
|
// Read the referncence frame
|
2012-10-31 01:53:32 +01:00
|
|
|
static MV_REFERENCE_FRAME read_ref_frame(VP9D_COMP *pbi,
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_reader *const bc,
|
2012-07-14 00:21:29 +02:00
|
|
|
unsigned char segment_id) {
|
|
|
|
MV_REFERENCE_FRAME ref_frame;
|
|
|
|
int seg_ref_active;
|
|
|
|
int seg_ref_count = 0;
|
|
|
|
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *const cm = &pbi->common;
|
2012-07-14 00:21:29 +02:00
|
|
|
MACROBLOCKD *const xd = &pbi->mb;
|
|
|
|
|
2012-10-30 06:15:27 +01:00
|
|
|
seg_ref_active = vp9_segfeature_active(xd,
|
|
|
|
segment_id,
|
|
|
|
SEG_LVL_REF_FRAME);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// If segment coding enabled does the segment allow for more than one
|
|
|
|
// possible reference frame
|
|
|
|
if (seg_ref_active) {
|
2012-10-30 06:15:27 +01:00
|
|
|
seg_ref_count = vp9_check_segref(xd, segment_id, INTRA_FRAME) +
|
|
|
|
vp9_check_segref(xd, segment_id, LAST_FRAME) +
|
|
|
|
vp9_check_segref(xd, segment_id, GOLDEN_FRAME) +
|
|
|
|
vp9_check_segref(xd, segment_id, ALTREF_FRAME);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Segment reference frame features not available or allows for
|
|
|
|
// multiple reference frame options
|
|
|
|
if (!seg_ref_active || (seg_ref_count > 1)) {
|
|
|
|
// Values used in prediction model coding
|
|
|
|
unsigned char prediction_flag;
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_prob pred_prob;
|
2012-07-14 00:21:29 +02:00
|
|
|
MV_REFERENCE_FRAME pred_ref;
|
|
|
|
|
|
|
|
// Get the context probability the prediction flag
|
2012-10-29 14:44:18 +01:00
|
|
|
pred_prob = vp9_get_pred_prob(cm, xd, PRED_REF);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Read the prediction status flag
|
2012-10-31 22:40:53 +01:00
|
|
|
prediction_flag = (unsigned char)vp9_read(bc, pred_prob);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Store the prediction flag.
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_set_pred_flag(xd, PRED_REF, prediction_flag);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Get the predicted reference frame.
|
2012-10-29 14:44:18 +01:00
|
|
|
pred_ref = vp9_get_pred_ref(cm, xd);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// If correctly predicted then use the predicted value
|
|
|
|
if (prediction_flag) {
|
|
|
|
ref_frame = pred_ref;
|
2012-01-31 13:45:30 +01:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
// else decode the explicitly coded value
|
|
|
|
else {
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_prob mod_refprobs[PREDICTION_PROBS];
|
2012-07-14 00:21:29 +02:00
|
|
|
vpx_memcpy(mod_refprobs,
|
|
|
|
cm->mod_refprobs[pred_ref], sizeof(mod_refprobs));
|
|
|
|
|
|
|
|
// If segment coding enabled blank out options that cant occur by
|
|
|
|
// setting the branch probability to 0.
|
|
|
|
if (seg_ref_active) {
|
|
|
|
mod_refprobs[INTRA_FRAME] *=
|
2012-10-30 06:15:27 +01:00
|
|
|
vp9_check_segref(xd, segment_id, INTRA_FRAME);
|
2012-07-14 00:21:29 +02:00
|
|
|
mod_refprobs[LAST_FRAME] *=
|
2012-10-30 06:15:27 +01:00
|
|
|
vp9_check_segref(xd, segment_id, LAST_FRAME);
|
2012-07-14 00:21:29 +02:00
|
|
|
mod_refprobs[GOLDEN_FRAME] *=
|
2012-10-30 06:15:27 +01:00
|
|
|
(vp9_check_segref(xd, segment_id, GOLDEN_FRAME) *
|
|
|
|
vp9_check_segref(xd, segment_id, ALTREF_FRAME));
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Default to INTRA_FRAME (value 0)
|
|
|
|
ref_frame = INTRA_FRAME;
|
|
|
|
|
|
|
|
// Do we need to decode the Intra/Inter branch
|
|
|
|
if (mod_refprobs[0])
|
2012-10-31 22:40:53 +01:00
|
|
|
ref_frame = (MV_REFERENCE_FRAME) vp9_read(bc, mod_refprobs[0]);
|
2012-07-14 00:21:29 +02:00
|
|
|
else
|
|
|
|
ref_frame++;
|
|
|
|
|
|
|
|
if (ref_frame) {
|
|
|
|
// Do we need to decode the Last/Gf_Arf branch
|
|
|
|
if (mod_refprobs[1])
|
2012-10-31 22:40:53 +01:00
|
|
|
ref_frame += vp9_read(bc, mod_refprobs[1]);
|
2012-01-28 13:20:14 +01:00
|
|
|
else
|
2012-07-14 00:21:29 +02:00
|
|
|
ref_frame++;
|
|
|
|
|
|
|
|
if (ref_frame > 1) {
|
|
|
|
// Do we need to decode the GF/Arf branch
|
|
|
|
if (mod_refprobs[2])
|
2012-10-31 22:40:53 +01:00
|
|
|
ref_frame += vp9_read(bc, mod_refprobs[2]);
|
2012-07-14 00:21:29 +02:00
|
|
|
else {
|
|
|
|
if (seg_ref_active) {
|
|
|
|
if ((pred_ref == GOLDEN_FRAME) ||
|
2012-10-30 06:15:27 +01:00
|
|
|
!vp9_check_segref(xd, segment_id, GOLDEN_FRAME)) {
|
2012-07-14 00:21:29 +02:00
|
|
|
ref_frame = ALTREF_FRAME;
|
|
|
|
} else
|
|
|
|
ref_frame = GOLDEN_FRAME;
|
|
|
|
} else
|
|
|
|
ref_frame = (pred_ref == GOLDEN_FRAME)
|
|
|
|
? ALTREF_FRAME : GOLDEN_FRAME;
|
|
|
|
}
|
2012-01-28 13:20:14 +01:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2011-09-30 17:45:16 +02:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Segment reference frame features are enabled
|
|
|
|
else {
|
|
|
|
// The reference frame for the mb is considered as correclty predicted
|
|
|
|
// if it is signaled at the segment level for the purposes of the
|
|
|
|
// common prediction model
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_set_pred_flag(xd, PRED_REF, 1);
|
|
|
|
ref_frame = vp9_get_pred_ref(cm, xd);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return (MV_REFERENCE_FRAME)ref_frame;
|
2011-09-30 17:45:16 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-08-20 23:43:34 +02:00
|
|
|
#if CONFIG_SUPERBLOCKS
|
2012-10-31 22:40:53 +01:00
|
|
|
static MB_PREDICTION_MODE read_sb_mv_ref(vp9_reader *bc, const vp9_prob *p) {
|
|
|
|
return (MB_PREDICTION_MODE) treed_read(bc, vp9_sb_mv_ref_tree, p);
|
2012-08-20 23:43:34 +02:00
|
|
|
}
|
|
|
|
#endif
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static MB_PREDICTION_MODE read_mv_ref(vp9_reader *bc, const vp9_prob *p) {
|
|
|
|
return (MB_PREDICTION_MODE) treed_read(bc, vp9_mv_ref_tree, p);
|
2010-05-18 17:58:33 +02:00
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static B_PREDICTION_MODE sub_mv_ref(vp9_reader *bc, const vp9_prob *p) {
|
|
|
|
return (B_PREDICTION_MODE) treed_read(bc, vp9_sub_mv_ref_tree, p);
|
2010-05-18 17:58:33 +02:00
|
|
|
}
|
2010-09-09 20:42:48 +02:00
|
|
|
|
|
|
|
#ifdef VPX_MODE_COUNT
|
2012-10-31 00:25:53 +01:00
|
|
|
unsigned int vp9_mv_cont_count[5][4] = {
|
2012-07-14 00:21:29 +02:00
|
|
|
{ 0, 0, 0, 0 },
|
|
|
|
{ 0, 0, 0, 0 },
|
|
|
|
{ 0, 0, 0, 0 },
|
|
|
|
{ 0, 0, 0, 0 },
|
|
|
|
{ 0, 0, 0, 0 }
|
2010-05-18 17:58:33 +02:00
|
|
|
};
|
2010-09-09 20:42:48 +02:00
|
|
|
#endif
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2011-03-17 22:07:59 +01:00
|
|
|
static const unsigned char mbsplit_fill_count[4] = {8, 8, 4, 1};
|
|
|
|
static const unsigned char mbsplit_fill_offset[4][16] = {
|
2012-07-14 00:21:29 +02:00
|
|
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
|
|
|
|
{ 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15},
|
|
|
|
{ 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15},
|
|
|
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
|
2010-09-09 20:42:48 +02:00
|
|
|
};
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-31 01:53:32 +01:00
|
|
|
static void read_switchable_interp_probs(VP9D_COMP* const pbi,
|
2012-10-18 01:47:38 +02:00
|
|
|
BOOL_DECODER* const bc) {
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *const cm = &pbi->common;
|
2012-07-18 22:43:01 +02:00
|
|
|
int i, j;
|
2012-10-31 22:40:53 +01:00
|
|
|
for (j = 0; j <= VP9_SWITCHABLE_FILTERS; ++j) {
|
|
|
|
for (i = 0; i < VP9_SWITCHABLE_FILTERS - 1; ++i) {
|
|
|
|
cm->fc.switchable_interp_prob[j][i] = vp9_read_literal(bc, 8);
|
2012-07-18 22:43:01 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
//printf("DECODER: %d %d\n", cm->fc.switchable_interp_prob[0],
|
|
|
|
//cm->fc.switchable_interp_prob[1]);
|
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
static void mb_mode_mv_init(VP9D_COMP *pbi, vp9_reader *bc) {
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *const cm = &pbi->common;
|
2012-07-26 22:42:07 +02:00
|
|
|
nmv_context *const nmvc = &pbi->common.fc.nmvc;
|
2012-10-17 23:51:27 +02:00
|
|
|
MACROBLOCKD *const xd = &pbi->mb;
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-17 18:38:13 +02:00
|
|
|
if (cm->frame_type == KEY_FRAME) {
|
|
|
|
if (!cm->kf_ymode_probs_update)
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->kf_ymode_probs_index = vp9_read_literal(bc, 3);
|
2012-10-17 18:38:13 +02:00
|
|
|
} else {
|
2012-06-26 01:23:58 +02:00
|
|
|
#if CONFIG_PRED_FILTER
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->pred_filter_mode = (vp9_prob)vp9_read_literal(bc, 2);
|
2012-06-26 01:23:58 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
if (cm->pred_filter_mode == 2)
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->prob_pred_filter_off = (vp9_prob)vp9_read_literal(bc, 8);
|
2012-07-18 22:43:01 +02:00
|
|
|
#endif
|
|
|
|
if (cm->mcomp_filter_type == SWITCHABLE)
|
2012-10-18 01:47:38 +02:00
|
|
|
read_switchable_interp_probs(pbi, bc);
|
2012-11-07 15:50:25 +01:00
|
|
|
#if CONFIG_COMP_INTERINTRA_PRED
|
|
|
|
if (cm->use_interintra) {
|
|
|
|
if (vp9_read(bc, VP9_UPD_INTERINTRA_PROB))
|
|
|
|
cm->fc.interintra_prob = (vp9_prob)vp9_read_literal(bc, 8);
|
|
|
|
}
|
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
// Decode the baseline probabilities for decoding reference frame
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->prob_intra_coded = (vp9_prob)vp9_read_literal(bc, 8);
|
|
|
|
cm->prob_last_coded = (vp9_prob)vp9_read_literal(bc, 8);
|
|
|
|
cm->prob_gf_coded = (vp9_prob)vp9_read_literal(bc, 8);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Computes a modified set of probabilities for use when reference
|
|
|
|
// frame prediction fails.
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_compute_mod_refprobs(cm);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
pbi->common.comp_pred_mode = vp9_read(bc, 128);
|
2012-07-14 00:21:29 +02:00
|
|
|
if (cm->comp_pred_mode)
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->comp_pred_mode += vp9_read(bc, 128);
|
2012-07-14 00:21:29 +02:00
|
|
|
if (cm->comp_pred_mode == HYBRID_PREDICTION) {
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < COMP_PRED_CONTEXTS; i++)
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->prob_comppred[i] = (vp9_prob)vp9_read_literal(bc, 8);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
if (vp9_read_bit(bc)) {
|
2012-07-14 00:21:29 +02:00
|
|
|
int i = 0;
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
do {
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->fc.ymode_prob[i] = (vp9_prob) vp9_read_literal(bc, 8);
|
|
|
|
} while (++i < VP9_YMODES - 1);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2012-10-25 14:58:21 +02:00
|
|
|
|
|
|
|
#if CONFIG_NEW_MVREF
|
|
|
|
// Temp defaults probabilities for ecnoding the MV ref id signal
|
|
|
|
vpx_memset(xd->mb_mv_ref_id_probs, 192, sizeof(xd->mb_mv_ref_id_probs));
|
|
|
|
#endif
|
|
|
|
|
2012-07-26 22:42:07 +02:00
|
|
|
read_nmvprobs(bc, nmvc, xd->allow_high_precision_mv);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-01-28 11:24:43 +01:00
|
|
|
// This function either reads the segment id for the current macroblock from
|
|
|
|
// the bitstream or if the value is temporally predicted asserts the predicted
|
|
|
|
// value
|
2012-10-31 01:53:32 +01:00
|
|
|
static void read_mb_segment_id(VP9D_COMP *pbi,
|
2012-10-18 01:47:38 +02:00
|
|
|
int mb_row, int mb_col,
|
|
|
|
BOOL_DECODER* const bc) {
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *const cm = &pbi->common;
|
2012-10-17 23:51:27 +02:00
|
|
|
MACROBLOCKD *const xd = &pbi->mb;
|
2012-07-14 00:21:29 +02:00
|
|
|
MODE_INFO *mi = xd->mode_info_context;
|
|
|
|
MB_MODE_INFO *mbmi = &mi->mbmi;
|
|
|
|
int index = mb_row * pbi->common.mb_cols + mb_col;
|
|
|
|
|
|
|
|
if (xd->segmentation_enabled) {
|
|
|
|
if (xd->update_mb_segmentation_map) {
|
|
|
|
// Is temporal coding of the segment id for this mb enabled.
|
|
|
|
if (cm->temporal_update) {
|
|
|
|
// Get the context based probability for reading the
|
|
|
|
// prediction status flag
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_prob pred_prob =
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_get_pred_prob(cm, xd, PRED_SEG_ID);
|
2012-01-28 11:24:43 +01:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
// Read the prediction status flag
|
|
|
|
unsigned char seg_pred_flag =
|
2012-10-31 22:40:53 +01:00
|
|
|
(unsigned char)vp9_read(bc, pred_prob);
|
2012-01-28 11:24:43 +01:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
// Store the prediction flag.
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_set_pred_flag(xd, PRED_SEG_ID, seg_pred_flag);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// If the value is flagged as correctly predicted
|
|
|
|
// then use the predicted value
|
|
|
|
if (seg_pred_flag) {
|
2012-10-30 01:58:18 +01:00
|
|
|
mbmi->segment_id = vp9_get_pred_mb_segid(cm, xd, index);
|
2012-01-28 11:24:43 +01:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
// Else .... decode it explicitly
|
|
|
|
else {
|
2012-10-31 22:40:53 +01:00
|
|
|
read_mb_segid(bc, mbmi, xd);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
// Normal unpredicted coding mode
|
|
|
|
else {
|
2012-10-31 22:40:53 +01:00
|
|
|
read_mb_segid(bc, mbmi, xd);
|
2012-08-20 23:43:34 +02:00
|
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
|
|
if (mbmi->encoded_as_sb) {
|
2012-10-30 01:58:18 +01:00
|
|
|
cm->last_frame_seg_map[index] = mbmi->segment_id;
|
|
|
|
if (mb_col + 1 < cm->mb_cols)
|
|
|
|
cm->last_frame_seg_map[index + 1] = mbmi->segment_id;
|
|
|
|
if (mb_row + 1 < cm->mb_rows) {
|
|
|
|
cm->last_frame_seg_map[index + cm->mb_cols] = mbmi->segment_id;
|
|
|
|
if (mb_col + 1 < cm->mb_cols)
|
|
|
|
cm->last_frame_seg_map[index + cm->mb_cols + 1] = mbmi->segment_id;
|
|
|
|
}
|
2012-08-20 23:43:34 +02:00
|
|
|
} else
|
|
|
|
#endif
|
|
|
|
{
|
2012-07-14 00:21:29 +02:00
|
|
|
cm->last_frame_seg_map[index] = mbmi->segment_id;
|
|
|
|
}
|
2012-08-20 23:43:34 +02:00
|
|
|
} else {
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
|
|
if (mbmi->encoded_as_sb) {
|
2012-10-30 01:58:18 +01:00
|
|
|
mbmi->segment_id = cm->last_frame_seg_map[index];
|
|
|
|
if (mb_col < cm->mb_cols - 1)
|
|
|
|
mbmi->segment_id = mbmi->segment_id &&
|
|
|
|
cm->last_frame_seg_map[index + 1];
|
|
|
|
if (mb_row < cm->mb_rows - 1) {
|
|
|
|
mbmi->segment_id = mbmi->segment_id &&
|
|
|
|
cm->last_frame_seg_map[index + cm->mb_cols];
|
|
|
|
if (mb_col < cm->mb_cols - 1)
|
|
|
|
mbmi->segment_id = mbmi->segment_id &&
|
|
|
|
cm->last_frame_seg_map[index + cm->mb_cols + 1];
|
|
|
|
}
|
2012-08-20 23:43:34 +02:00
|
|
|
} else
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
mbmi->segment_id = cm->last_frame_seg_map[index];
|
|
|
|
}
|
2012-01-28 11:24:43 +01:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
|
|
|
// The encoder explicitly sets the segment_id to 0
|
|
|
|
// when segmentation is disabled
|
|
|
|
mbmi->segment_id = 0;
|
|
|
|
}
|
2012-01-28 11:24:43 +01:00
|
|
|
}
|
2011-05-02 15:30:51 +02:00
|
|
|
|
2012-10-31 01:53:32 +01:00
|
|
|
static void read_mb_modes_mv(VP9D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
|
2011-11-16 01:16:30 +01:00
|
|
|
MODE_INFO *prev_mi,
|
2012-10-18 01:47:38 +02:00
|
|
|
int mb_row, int mb_col,
|
|
|
|
BOOL_DECODER* const bc) {
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *const cm = &pbi->common;
|
2012-07-26 22:42:07 +02:00
|
|
|
nmv_context *const nmvc = &pbi->common.fc.nmvc;
|
2012-07-14 00:21:29 +02:00
|
|
|
const int mis = pbi->common.mode_info_stride;
|
2012-10-17 23:51:27 +02:00
|
|
|
MACROBLOCKD *const xd = &pbi->mb;
|
2012-07-14 00:21:29 +02:00
|
|
|
|
2012-11-05 23:22:59 +01:00
|
|
|
int_mv *const mv = &mbmi->mv[0];
|
2012-07-14 00:21:29 +02:00
|
|
|
int mb_to_left_edge;
|
|
|
|
int mb_to_right_edge;
|
|
|
|
int mb_to_top_edge;
|
|
|
|
int mb_to_bottom_edge;
|
|
|
|
|
|
|
|
mb_to_top_edge = xd->mb_to_top_edge;
|
|
|
|
mb_to_bottom_edge = xd->mb_to_bottom_edge;
|
|
|
|
mb_to_top_edge -= LEFT_TOP_MARGIN;
|
|
|
|
mb_to_bottom_edge += RIGHT_BOTTOM_MARGIN;
|
|
|
|
mbmi->need_to_clamp_mvs = 0;
|
|
|
|
mbmi->need_to_clamp_secondmv = 0;
|
2012-11-07 15:50:25 +01:00
|
|
|
mbmi->second_ref_frame = NONE;
|
2012-07-14 00:21:29 +02:00
|
|
|
/* Distance of Mb to the various image edges.
|
|
|
|
* These specified to 8th pel as they are always compared to MV values that are in 1/8th pel units
|
|
|
|
*/
|
|
|
|
xd->mb_to_left_edge =
|
2010-09-09 20:42:48 +02:00
|
|
|
mb_to_left_edge = -((mb_col * 16) << 3);
|
2012-07-14 00:21:29 +02:00
|
|
|
mb_to_left_edge -= LEFT_TOP_MARGIN;
|
2010-09-09 20:42:48 +02:00
|
|
|
|
2012-11-13 00:43:11 +01:00
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
|
|
if (mi->mbmi.encoded_as_sb) {
|
|
|
|
xd->mb_to_right_edge =
|
|
|
|
mb_to_right_edge = ((pbi->common.mb_cols - 2 - mb_col) * 16) << 3;
|
|
|
|
} else {
|
|
|
|
#endif
|
|
|
|
xd->mb_to_right_edge =
|
|
|
|
mb_to_right_edge = ((pbi->common.mb_cols - 1 - mb_col) * 16) << 3;
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
|
|
}
|
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
mb_to_right_edge += RIGHT_BOTTOM_MARGIN;
|
|
|
|
|
|
|
|
// Make sure the MACROBLOCKD mode info pointer is pointed at the
|
|
|
|
// correct entry for the current macroblock.
|
|
|
|
xd->mode_info_context = mi;
|
2012-08-03 21:31:38 +02:00
|
|
|
xd->prev_mode_info_context = prev_mi;
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Read the macroblock segment id.
|
2012-10-18 01:47:38 +02:00
|
|
|
read_mb_segment_id(pbi, mb_row, mb_col, bc);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
if (pbi->common.mb_no_coeff_skip &&
|
2012-10-30 06:15:27 +01:00
|
|
|
(!vp9_segfeature_active(xd,
|
|
|
|
mbmi->segment_id, SEG_LVL_EOB) ||
|
|
|
|
(vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_EOB) != 0))) {
|
2012-07-14 00:21:29 +02:00
|
|
|
// Read the macroblock coeff skip flag if this feature is in use,
|
|
|
|
// else default to 0
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->mb_skip_coeff = vp9_read(bc, vp9_get_pred_prob(cm, xd, PRED_MBSKIP));
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
2012-10-30 06:15:27 +01:00
|
|
|
if (vp9_segfeature_active(xd,
|
|
|
|
mbmi->segment_id, SEG_LVL_EOB) &&
|
|
|
|
(vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_EOB) == 0)) {
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->mb_skip_coeff = 1;
|
|
|
|
} else
|
|
|
|
mbmi->mb_skip_coeff = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Read the reference frame
|
2012-11-14 00:18:47 +01:00
|
|
|
if (vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_MODE)
|
|
|
|
&& vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_MODE) < NEARESTMV)
|
|
|
|
mbmi->ref_frame = INTRA_FRAME;
|
|
|
|
else
|
|
|
|
mbmi->ref_frame = read_ref_frame(pbi, bc, mbmi->segment_id);
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// If reference frame is an Inter frame
|
|
|
|
if (mbmi->ref_frame) {
|
|
|
|
int_mv nearest, nearby, best_mv;
|
|
|
|
int_mv nearest_second, nearby_second, best_mv_second;
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_prob mv_ref_p [VP9_MVREFS - 1];
|
2012-07-14 00:21:29 +02:00
|
|
|
|
2012-08-06 19:51:20 +02:00
|
|
|
int recon_y_stride, recon_yoffset;
|
|
|
|
int recon_uv_stride, recon_uvoffset;
|
|
|
|
|
|
|
|
{
|
|
|
|
int ref_fb_idx;
|
2012-09-07 13:46:41 +02:00
|
|
|
MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame;
|
2012-08-06 19:51:20 +02:00
|
|
|
|
|
|
|
/* Select the appropriate reference frame for this MB */
|
2012-09-07 13:46:41 +02:00
|
|
|
if (ref_frame == LAST_FRAME)
|
2012-08-06 19:51:20 +02:00
|
|
|
ref_fb_idx = cm->lst_fb_idx;
|
2012-09-07 13:46:41 +02:00
|
|
|
else if (ref_frame == GOLDEN_FRAME)
|
2012-08-06 19:51:20 +02:00
|
|
|
ref_fb_idx = cm->gld_fb_idx;
|
|
|
|
else
|
|
|
|
ref_fb_idx = cm->alt_fb_idx;
|
|
|
|
|
|
|
|
recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride ;
|
|
|
|
recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
|
|
|
|
|
|
|
|
recon_yoffset = (mb_row * recon_y_stride * 16) + (mb_col * 16);
|
|
|
|
recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col * 8);
|
|
|
|
|
|
|
|
xd->pre.y_buffer = cm->yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
|
|
|
|
xd->pre.u_buffer = cm->yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
|
|
|
|
xd->pre.v_buffer = cm->yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
|
|
|
|
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_find_mv_refs(xd, mi, prev_mi,
|
|
|
|
ref_frame, mbmi->ref_mvs[ref_frame],
|
|
|
|
cm->ref_frame_sign_bias);
|
2012-08-24 16:44:01 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_find_best_ref_mvs(xd,
|
2012-08-06 19:51:20 +02:00
|
|
|
xd->pre.y_buffer,
|
|
|
|
recon_y_stride,
|
2012-09-07 13:46:41 +02:00
|
|
|
mbmi->ref_mvs[ref_frame],
|
2012-08-06 19:51:20 +02:00
|
|
|
&best_mv, &nearest, &nearby);
|
2012-08-06 19:51:20 +02:00
|
|
|
|
2012-11-12 16:09:25 +01:00
|
|
|
vp9_mv_ref_probs(&pbi->common, mv_ref_p,
|
|
|
|
mbmi->mb_mode_context[ref_frame]);
|
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
// Is the segment level mode feature enabled for this segment
|
2012-10-30 06:15:27 +01:00
|
|
|
if (vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_MODE)) {
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->mode =
|
2012-10-30 06:15:27 +01:00
|
|
|
vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_MODE);
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
2012-08-20 23:43:34 +02:00
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
|
|
if (mbmi->encoded_as_sb) {
|
|
|
|
mbmi->mode = read_sb_mv_ref(bc, mv_ref_p);
|
|
|
|
} else
|
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->mode = read_mv_ref(bc, mv_ref_p);
|
|
|
|
|
2012-11-12 16:09:25 +01:00
|
|
|
vp9_accum_mv_refs(&pbi->common, mbmi->mode,
|
|
|
|
mbmi->mb_mode_context[mbmi->ref_frame]);
|
2011-10-05 12:26:00 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-06-26 01:23:58 +02:00
|
|
|
#if CONFIG_PRED_FILTER
|
2012-07-14 00:21:29 +02:00
|
|
|
if (mbmi->mode >= NEARESTMV && mbmi->mode < SPLITMV) {
|
|
|
|
// Is the prediction filter enabled
|
|
|
|
if (cm->pred_filter_mode == 2)
|
|
|
|
mbmi->pred_filter_enabled =
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_read(bc, cm->prob_pred_filter_off);
|
2012-07-14 00:21:29 +02:00
|
|
|
else
|
|
|
|
mbmi->pred_filter_enabled = cm->pred_filter_mode;
|
|
|
|
}
|
2012-06-26 01:23:58 +02:00
|
|
|
#endif
|
2012-07-18 22:43:01 +02:00
|
|
|
if (mbmi->mode >= NEARESTMV && mbmi->mode <= SPLITMV)
|
|
|
|
{
|
|
|
|
if (cm->mcomp_filter_type == SWITCHABLE) {
|
2012-10-31 01:12:12 +01:00
|
|
|
mbmi->interp_filter = vp9_switchable_interp[
|
2012-10-31 22:40:53 +01:00
|
|
|
treed_read(bc, vp9_switchable_interp_tree,
|
|
|
|
vp9_get_pred_probs(cm, xd, PRED_SWITCHABLE_INTERP))];
|
2012-07-18 22:43:01 +02:00
|
|
|
} else {
|
|
|
|
mbmi->interp_filter = cm->mcomp_filter_type;
|
|
|
|
}
|
|
|
|
}
|
2012-06-26 01:23:58 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
if (cm->comp_pred_mode == COMP_PREDICTION_ONLY ||
|
|
|
|
(cm->comp_pred_mode == HYBRID_PREDICTION &&
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_read(bc, vp9_get_pred_prob(cm, xd, PRED_COMP)))) {
|
2012-07-14 00:21:29 +02:00
|
|
|
/* Since we have 3 reference frames, we can only have 3 unique
|
|
|
|
* combinations of combinations of 2 different reference frames
|
|
|
|
* (A-G, G-L or A-L). In the bitstream, we use this to simply
|
|
|
|
* derive the second reference frame from the first reference
|
|
|
|
* frame, by saying it's the next one in the enumerator, and
|
|
|
|
* if that's > n_refs, then the second reference frame is the
|
|
|
|
* first one in the enumerator. */
|
|
|
|
mbmi->second_ref_frame = mbmi->ref_frame + 1;
|
|
|
|
if (mbmi->second_ref_frame == 4)
|
|
|
|
mbmi->second_ref_frame = 1;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-08-06 19:51:20 +02:00
|
|
|
int second_ref_fb_idx;
|
|
|
|
/* Select the appropriate reference frame for this MB */
|
|
|
|
if (mbmi->second_ref_frame == LAST_FRAME)
|
|
|
|
second_ref_fb_idx = cm->lst_fb_idx;
|
|
|
|
else if (mbmi->second_ref_frame ==
|
|
|
|
GOLDEN_FRAME)
|
|
|
|
second_ref_fb_idx = cm->gld_fb_idx;
|
|
|
|
else
|
|
|
|
second_ref_fb_idx = cm->alt_fb_idx;
|
|
|
|
|
|
|
|
xd->second_pre.y_buffer =
|
|
|
|
cm->yv12_fb[second_ref_fb_idx].y_buffer + recon_yoffset;
|
|
|
|
xd->second_pre.u_buffer =
|
|
|
|
cm->yv12_fb[second_ref_fb_idx].u_buffer + recon_uvoffset;
|
|
|
|
xd->second_pre.v_buffer =
|
|
|
|
cm->yv12_fb[second_ref_fb_idx].v_buffer + recon_uvoffset;
|
2012-08-24 16:44:01 +02:00
|
|
|
|
2012-10-29 14:44:18 +01:00
|
|
|
vp9_find_mv_refs(xd, mi, prev_mi,
|
|
|
|
mbmi->second_ref_frame,
|
|
|
|
mbmi->ref_mvs[mbmi->second_ref_frame],
|
|
|
|
cm->ref_frame_sign_bias);
|
2012-08-24 16:44:01 +02:00
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_find_best_ref_mvs(xd,
|
2012-08-06 19:51:20 +02:00
|
|
|
xd->second_pre.y_buffer,
|
|
|
|
recon_y_stride,
|
2012-09-07 13:46:41 +02:00
|
|
|
mbmi->ref_mvs[mbmi->second_ref_frame],
|
2012-08-06 19:51:20 +02:00
|
|
|
&best_mv_second,
|
|
|
|
&nearest_second,
|
|
|
|
&nearby_second);
|
2012-08-06 19:51:20 +02:00
|
|
|
}
|
2012-11-07 19:41:04 +01:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
2012-11-07 15:50:25 +01:00
|
|
|
#if CONFIG_COMP_INTERINTRA_PRED
|
|
|
|
if (pbi->common.use_interintra &&
|
|
|
|
mbmi->mode >= NEARESTMV && mbmi->mode < SPLITMV &&
|
|
|
|
mbmi->second_ref_frame == NONE) {
|
|
|
|
mbmi->second_ref_frame = (vp9_read(bc, pbi->common.fc.interintra_prob) ?
|
|
|
|
INTRA_FRAME : NONE);
|
|
|
|
// printf("-- %d (%d)\n", mbmi->second_ref_frame == INTRA_FRAME,
|
|
|
|
// pbi->common.fc.interintra_prob);
|
|
|
|
pbi->common.fc.interintra_counts[
|
|
|
|
mbmi->second_ref_frame == INTRA_FRAME]++;
|
|
|
|
if (mbmi->second_ref_frame == INTRA_FRAME) {
|
|
|
|
mbmi->interintra_mode = (MB_PREDICTION_MODE)read_ymode(
|
|
|
|
bc, pbi->common.fc.ymode_prob);
|
|
|
|
pbi->common.fc.ymode_counts[mbmi->interintra_mode]++;
|
|
|
|
#if SEPARATE_INTERINTRA_UV
|
|
|
|
mbmi->interintra_uv_mode = (MB_PREDICTION_MODE)read_uv_mode(
|
|
|
|
bc, pbi->common.fc.uv_mode_prob[mbmi->interintra_mode]);
|
|
|
|
pbi->common.fc.uv_mode_counts[mbmi->interintra_mode]
|
|
|
|
[mbmi->interintra_uv_mode]++;
|
|
|
|
#else
|
|
|
|
mbmi->interintra_uv_mode = mbmi->interintra_mode;
|
|
|
|
#endif
|
|
|
|
// printf("** %d %d\n",
|
|
|
|
// mbmi->interintra_mode, mbmi->interintra_uv_mode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2012-04-18 22:51:58 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->uv_mode = DC_PRED;
|
|
|
|
switch (mbmi->mode) {
|
|
|
|
case SPLITMV: {
|
|
|
|
const int s = mbmi->partitioning =
|
2012-10-31 22:40:53 +01:00
|
|
|
treed_read(bc, vp9_mbsplit_tree, cm->fc.mbsplit_prob);
|
2012-10-31 01:12:12 +01:00
|
|
|
const int num_p = vp9_mbsplit_count [s];
|
2012-07-14 00:21:29 +02:00
|
|
|
int j = 0;
|
|
|
|
cm->fc.mbsplit_counts[s]++;
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->need_to_clamp_mvs = 0;
|
|
|
|
do { /* for each subset j */
|
|
|
|
int_mv leftmv, abovemv, second_leftmv, second_abovemv;
|
|
|
|
int_mv blockmv, secondmv;
|
|
|
|
int k; /* first block in subset j */
|
|
|
|
int mv_contz;
|
|
|
|
int blockmode;
|
|
|
|
|
2012-10-31 01:12:12 +01:00
|
|
|
k = vp9_mbsplit_offset[s][j];
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
leftmv.as_int = left_block_mv(mi, k);
|
|
|
|
abovemv.as_int = above_block_mv(mi, k, mis);
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-07-14 00:21:29 +02:00
|
|
|
second_leftmv.as_int = left_block_second_mv(mi, k);
|
|
|
|
second_abovemv.as_int = above_block_second_mv(mi, k, mis);
|
|
|
|
}
|
2012-10-31 00:25:53 +01:00
|
|
|
mv_contz = vp9_mv_cont(&leftmv, &abovemv);
|
2012-07-14 00:21:29 +02:00
|
|
|
blockmode = sub_mv_ref(bc, cm->fc.sub_mv_ref_prob [mv_contz]);
|
|
|
|
cm->fc.sub_mv_ref_counts[mv_contz][blockmode - LEFT4X4]++;
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
switch (blockmode) {
|
|
|
|
case NEW4X4:
|
2012-07-26 22:42:07 +02:00
|
|
|
read_nmv(bc, &blockmv.as_mv, &best_mv.as_mv, nmvc);
|
|
|
|
read_nmv_fp(bc, &blockmv.as_mv, &best_mv.as_mv, nmvc,
|
|
|
|
xd->allow_high_precision_mv);
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_increment_nmv(&blockmv.as_mv, &best_mv.as_mv,
|
2012-07-26 22:42:07 +02:00
|
|
|
&cm->fc.NMVcount, xd->allow_high_precision_mv);
|
2012-07-14 00:21:29 +02:00
|
|
|
blockmv.as_mv.row += best_mv.as_mv.row;
|
|
|
|
blockmv.as_mv.col += best_mv.as_mv.col;
|
2012-04-18 22:51:58 +02:00
|
|
|
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-07-26 22:42:07 +02:00
|
|
|
read_nmv(bc, &secondmv.as_mv, &best_mv_second.as_mv, nmvc);
|
|
|
|
read_nmv_fp(bc, &secondmv.as_mv, &best_mv_second.as_mv, nmvc,
|
|
|
|
xd->allow_high_precision_mv);
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_increment_nmv(&secondmv.as_mv, &best_mv_second.as_mv,
|
2012-07-26 22:42:07 +02:00
|
|
|
&cm->fc.NMVcount, xd->allow_high_precision_mv);
|
2012-07-14 00:21:29 +02:00
|
|
|
secondmv.as_mv.row += best_mv_second.as_mv.row;
|
|
|
|
secondmv.as_mv.col += best_mv_second.as_mv.col;
|
|
|
|
}
|
2012-06-06 00:25:07 +02:00
|
|
|
#ifdef VPX_MODE_COUNT
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_mv_cont_count[mv_contz][3]++;
|
2012-06-06 00:25:07 +02:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
case LEFT4X4:
|
|
|
|
blockmv.as_int = leftmv.as_int;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0)
|
2012-07-14 00:21:29 +02:00
|
|
|
secondmv.as_int = second_leftmv.as_int;
|
2012-06-06 00:25:07 +02:00
|
|
|
#ifdef VPX_MODE_COUNT
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_mv_cont_count[mv_contz][0]++;
|
2012-06-06 00:25:07 +02:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
case ABOVE4X4:
|
|
|
|
blockmv.as_int = abovemv.as_int;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0)
|
2012-07-14 00:21:29 +02:00
|
|
|
secondmv.as_int = second_abovemv.as_int;
|
2012-06-06 00:25:07 +02:00
|
|
|
#ifdef VPX_MODE_COUNT
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_mv_cont_count[mv_contz][1]++;
|
2012-06-06 00:25:07 +02:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
case ZERO4X4:
|
|
|
|
blockmv.as_int = 0;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0)
|
2012-07-14 00:21:29 +02:00
|
|
|
secondmv.as_int = 0;
|
2012-06-20 14:07:24 +02:00
|
|
|
#ifdef VPX_MODE_COUNT
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_mv_cont_count[mv_contz][2]++;
|
2012-06-20 14:07:24 +02:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->need_to_clamp_mvs |= check_mv_bounds(&blockmv,
|
|
|
|
mb_to_left_edge,
|
|
|
|
mb_to_right_edge,
|
|
|
|
mb_to_top_edge,
|
|
|
|
mb_to_bottom_edge);
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->need_to_clamp_mvs |= check_mv_bounds(&secondmv,
|
|
|
|
mb_to_left_edge,
|
|
|
|
mb_to_right_edge,
|
|
|
|
mb_to_top_edge,
|
|
|
|
mb_to_bottom_edge);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
{
|
|
|
|
/* Fill (uniform) modes, mvs of jth subset.
|
|
|
|
Must do it here because ensuing subsets can
|
|
|
|
refer back to us via "left" or "above". */
|
|
|
|
const unsigned char *fill_offset;
|
|
|
|
unsigned int fill_count = mbsplit_fill_count[s];
|
|
|
|
|
|
|
|
fill_offset = &mbsplit_fill_offset[s][(unsigned char)j * mbsplit_fill_count[s]];
|
|
|
|
|
|
|
|
do {
|
|
|
|
mi->bmi[ *fill_offset].as_mv.first.as_int = blockmv.as_int;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0)
|
2012-07-14 00:21:29 +02:00
|
|
|
mi->bmi[ *fill_offset].as_mv.second.as_int = secondmv.as_int;
|
|
|
|
fill_offset++;
|
|
|
|
} while (--fill_count);
|
|
|
|
}
|
|
|
|
|
|
|
|
} while (++j < num_p);
|
|
|
|
}
|
|
|
|
|
|
|
|
mv->as_int = mi->bmi[15].as_mv.first.as_int;
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[1].as_int = mi->bmi[15].as_mv.second.as_int;
|
2012-07-14 00:21:29 +02:00
|
|
|
|
|
|
|
break; /* done with SPLITMV */
|
|
|
|
|
|
|
|
case NEARMV:
|
|
|
|
mv->as_int = nearby.as_int;
|
|
|
|
/* Clip "next_nearest" so that it does not extend to far out of image */
|
2012-10-31 22:40:53 +01:00
|
|
|
clamp_mv(mv, mb_to_left_edge, mb_to_right_edge,
|
|
|
|
mb_to_top_edge, mb_to_bottom_edge);
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[1].as_int = nearby_second.as_int;
|
2012-10-31 22:40:53 +01:00
|
|
|
clamp_mv(&mbmi->mv[1], mb_to_left_edge, mb_to_right_edge,
|
|
|
|
mb_to_top_edge, mb_to_bottom_edge);
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case NEARESTMV:
|
|
|
|
mv->as_int = nearest.as_int;
|
|
|
|
/* Clip "next_nearest" so that it does not extend to far out of image */
|
2012-10-31 22:40:53 +01:00
|
|
|
clamp_mv(mv, mb_to_left_edge, mb_to_right_edge,
|
|
|
|
mb_to_top_edge, mb_to_bottom_edge);
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[1].as_int = nearest_second.as_int;
|
2012-10-31 22:40:53 +01:00
|
|
|
clamp_mv(&mbmi->mv[1], mb_to_left_edge, mb_to_right_edge,
|
|
|
|
mb_to_top_edge, mb_to_bottom_edge);
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ZEROMV:
|
|
|
|
mv->as_int = 0;
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0)
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[1].as_int = 0;
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
case NEWMV:
|
2012-10-25 14:58:21 +02:00
|
|
|
|
|
|
|
#if CONFIG_NEW_MVREF
|
|
|
|
{
|
|
|
|
int best_index;
|
|
|
|
MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame;
|
|
|
|
|
|
|
|
// Encode the index of the choice.
|
|
|
|
best_index =
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_read_mv_ref_id(bc, xd->mb_mv_ref_id_probs[ref_frame]);
|
2012-10-25 14:58:21 +02:00
|
|
|
|
|
|
|
best_mv.as_int = mbmi->ref_mvs[ref_frame][best_index].as_int;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2012-07-26 22:42:07 +02:00
|
|
|
read_nmv(bc, &mv->as_mv, &best_mv.as_mv, nmvc);
|
|
|
|
read_nmv_fp(bc, &mv->as_mv, &best_mv.as_mv, nmvc,
|
|
|
|
xd->allow_high_precision_mv);
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_increment_nmv(&mv->as_mv, &best_mv.as_mv, &cm->fc.NMVcount,
|
2012-07-26 22:42:07 +02:00
|
|
|
xd->allow_high_precision_mv);
|
2012-10-25 14:58:21 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
mv->as_mv.row += best_mv.as_mv.row;
|
|
|
|
mv->as_mv.col += best_mv.as_mv.col;
|
|
|
|
|
|
|
|
/* Don't need to check this on NEARMV and NEARESTMV modes
|
|
|
|
* since those modes clamp the MV. The NEWMV mode does not,
|
|
|
|
* so signal to the prediction stage whether special
|
|
|
|
* handling may be required.
|
|
|
|
*/
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->need_to_clamp_mvs = check_mv_bounds(mv,
|
|
|
|
mb_to_left_edge,
|
|
|
|
mb_to_right_edge,
|
|
|
|
mb_to_top_edge,
|
|
|
|
mb_to_bottom_edge);
|
2012-10-25 14:58:21 +02:00
|
|
|
|
2012-11-07 15:50:25 +01:00
|
|
|
if (mbmi->second_ref_frame > 0) {
|
2012-10-25 14:58:21 +02:00
|
|
|
#if CONFIG_NEW_MVREF
|
|
|
|
{
|
|
|
|
int best_index;
|
|
|
|
MV_REFERENCE_FRAME ref_frame = mbmi->second_ref_frame;
|
|
|
|
|
|
|
|
// Encode the index of the choice.
|
|
|
|
best_index =
|
2012-10-31 22:40:53 +01:00
|
|
|
vp9_read_mv_ref_id(bc, xd->mb_mv_ref_id_probs[ref_frame]);
|
2012-10-25 14:58:21 +02:00
|
|
|
best_mv_second.as_int = mbmi->ref_mvs[ref_frame][best_index].as_int;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2012-07-26 22:42:07 +02:00
|
|
|
read_nmv(bc, &mbmi->mv[1].as_mv, &best_mv_second.as_mv, nmvc);
|
|
|
|
read_nmv_fp(bc, &mbmi->mv[1].as_mv, &best_mv_second.as_mv, nmvc,
|
|
|
|
xd->allow_high_precision_mv);
|
2012-10-31 00:25:53 +01:00
|
|
|
vp9_increment_nmv(&mbmi->mv[1].as_mv, &best_mv_second.as_mv,
|
2012-07-26 22:42:07 +02:00
|
|
|
&cm->fc.NMVcount, xd->allow_high_precision_mv);
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[1].as_mv.row += best_mv_second.as_mv.row;
|
|
|
|
mbmi->mv[1].as_mv.col += best_mv_second.as_mv.col;
|
|
|
|
mbmi->need_to_clamp_secondmv |=
|
2012-10-31 22:40:53 +01:00
|
|
|
check_mv_bounds(&mbmi->mv[1],
|
|
|
|
mb_to_left_edge, mb_to_right_edge,
|
|
|
|
mb_to_top_edge, mb_to_bottom_edge);
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
;
|
|
|
|
#if CONFIG_DEBUG
|
|
|
|
assert(0);
|
|
|
|
#endif
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
|
|
|
/* required for left and above block mv */
|
2012-08-10 01:07:41 +02:00
|
|
|
mbmi->mv[0].as_int = 0;
|
2012-07-14 00:21:29 +02:00
|
|
|
|
2012-10-30 06:15:27 +01:00
|
|
|
if (vp9_segfeature_active(xd, mbmi->segment_id, SEG_LVL_MODE))
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->mode = (MB_PREDICTION_MODE)
|
2012-10-30 06:15:27 +01:00
|
|
|
vp9_get_segdata(xd, mbmi->segment_id, SEG_LVL_MODE);
|
2012-07-14 00:21:29 +02:00
|
|
|
else {
|
2012-08-20 23:43:34 +02:00
|
|
|
// FIXME write using SB mode tree
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->mode = (MB_PREDICTION_MODE)
|
2012-10-31 22:40:53 +01:00
|
|
|
read_ymode(bc, pbi->common.fc.ymode_prob);
|
2012-07-14 00:21:29 +02:00
|
|
|
pbi->common.fc.ymode_counts[mbmi->mode]++;
|
|
|
|
}
|
2012-02-29 02:12:08 +01:00
|
|
|
#if CONFIG_COMP_INTRA_PRED
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
2012-02-29 02:12:08 +01:00
|
|
|
#endif
|
2011-11-02 14:30:10 +01:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
// If MB mode is BPRED read the block modes
|
|
|
|
if (mbmi->mode == B_PRED) {
|
|
|
|
int j = 0;
|
2012-02-29 02:12:08 +01:00
|
|
|
#if CONFIG_COMP_INTRA_PRED
|
2012-10-09 22:19:15 +02:00
|
|
|
int use_comp_pred = vp9_read(bc, DEFAULT_COMP_INTRA_PROB);
|
2012-02-29 02:12:08 +01:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
do {
|
2012-10-09 22:19:15 +02:00
|
|
|
int m;
|
|
|
|
m = mi->bmi[j].as_mode.first = (B_PREDICTION_MODE)
|
|
|
|
read_bmode(bc, pbi->common.fc.bmode_prob);
|
|
|
|
#if CONFIG_NEWBINTRAMODES
|
|
|
|
if (m == B_CONTEXT_PRED) m -= CONTEXT_PRED_REPLACEMENTS;
|
|
|
|
#endif
|
|
|
|
pbi->common.fc.bmode_counts[m]++;
|
2012-02-29 02:12:08 +01:00
|
|
|
#if CONFIG_COMP_INTRA_PRED
|
2012-07-14 00:21:29 +02:00
|
|
|
if (use_comp_pred) {
|
2012-10-31 22:40:53 +01:00
|
|
|
mi->bmi[j].as_mode.second = (B_PREDICTION_MODE)read_bmode(bc, pbi->common.fc.bmode_prob);
|
2012-07-14 00:21:29 +02:00
|
|
|
} else {
|
|
|
|
mi->bmi[j].as_mode.second = (B_PREDICTION_MODE)(B_DC_PRED - 1);
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2012-07-14 00:21:29 +02:00
|
|
|
#endif
|
|
|
|
} while (++j < 16);
|
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-07-14 00:21:29 +02:00
|
|
|
if (mbmi->mode == I8X8_PRED) {
|
|
|
|
int i;
|
|
|
|
int mode8x8;
|
|
|
|
for (i = 0; i < 4; i++) {
|
2012-10-31 01:12:12 +01:00
|
|
|
int ib = vp9_i8x8_block[i];
|
2012-10-31 22:40:53 +01:00
|
|
|
mode8x8 = read_i8x8_mode(bc, pbi->common.fc.i8x8_mode_prob);
|
2012-07-14 00:21:29 +02:00
|
|
|
mi->bmi[ib + 0].as_mode.first = mode8x8;
|
|
|
|
mi->bmi[ib + 1].as_mode.first = mode8x8;
|
|
|
|
mi->bmi[ib + 4].as_mode.first = mode8x8;
|
|
|
|
mi->bmi[ib + 5].as_mode.first = mode8x8;
|
|
|
|
pbi->common.fc.i8x8_mode_counts[mode8x8]++;
|
2012-02-29 02:12:08 +01:00
|
|
|
#if CONFIG_COMP_INTRA_PRED
|
2012-07-14 00:21:29 +02:00
|
|
|
mi->bmi[ib + 0].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
|
|
|
mi->bmi[ib + 1].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
|
|
|
mi->bmi[ib + 4].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
|
|
|
mi->bmi[ib + 5].as_mode.second = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
2012-02-29 02:12:08 +01:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
|
|
|
} else {
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->uv_mode = (MB_PREDICTION_MODE)read_uv_mode(
|
2012-08-06 19:51:20 +02:00
|
|
|
bc, pbi->common.fc.uv_mode_prob[mbmi->mode]);
|
2012-07-14 00:21:29 +02:00
|
|
|
pbi->common.fc.uv_mode_counts[mbmi->mode][mbmi->uv_mode]++;
|
|
|
|
}
|
2012-04-25 17:33:30 +02:00
|
|
|
|
2012-02-29 02:12:08 +01:00
|
|
|
#if CONFIG_COMP_INTRA_PRED
|
2012-07-14 00:21:29 +02:00
|
|
|
mbmi->second_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
|
2012-02-29 02:12:08 +01:00
|
|
|
#endif
|
2012-07-14 00:21:29 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-10-09 18:18:21 +02:00
|
|
|
if (cm->txfm_mode == TX_MODE_SELECT && mbmi->mb_skip_coeff == 0 &&
|
2012-10-11 02:18:22 +02:00
|
|
|
((mbmi->ref_frame == INTRA_FRAME && mbmi->mode <= I8X8_PRED) ||
|
2012-10-22 20:49:00 +02:00
|
|
|
(mbmi->ref_frame != INTRA_FRAME && !(mbmi->mode == SPLITMV &&
|
|
|
|
mbmi->partitioning == PARTITIONING_4X4)))) {
|
2012-10-09 18:18:21 +02:00
|
|
|
// FIXME(rbultje) code ternary symbol once all experiments are merged
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->txfm_size = vp9_read(bc, cm->prob_tx[0]);
|
2012-10-22 20:49:00 +02:00
|
|
|
if (mbmi->txfm_size != TX_4X4 && mbmi->mode != I8X8_PRED &&
|
|
|
|
mbmi->mode != SPLITMV)
|
2012-10-31 22:40:53 +01:00
|
|
|
mbmi->txfm_size += vp9_read(bc, cm->prob_tx[1]);
|
2012-10-23 01:52:28 +02:00
|
|
|
} else if (cm->txfm_mode >= ALLOW_16X16 &&
|
2012-10-09 18:18:21 +02:00
|
|
|
((mbmi->ref_frame == INTRA_FRAME && mbmi->mode <= TM_PRED) ||
|
|
|
|
(mbmi->ref_frame != INTRA_FRAME && mbmi->mode != SPLITMV))) {
|
|
|
|
mbmi->txfm_size = TX_16X16;
|
2012-10-10 20:20:33 +02:00
|
|
|
} else if (cm->txfm_mode >= ALLOW_8X8 &&
|
2012-10-22 20:49:00 +02:00
|
|
|
(!(mbmi->ref_frame == INTRA_FRAME && mbmi->mode == B_PRED) &&
|
|
|
|
!(mbmi->ref_frame != INTRA_FRAME && mbmi->mode == SPLITMV &&
|
|
|
|
mbmi->partitioning == PARTITIONING_4X4))) {
|
2012-10-09 18:18:21 +02:00
|
|
|
mbmi->txfm_size = TX_8X8;
|
|
|
|
} else {
|
|
|
|
mbmi->txfm_size = TX_4X4;
|
|
|
|
}
|
2010-09-09 20:42:48 +02:00
|
|
|
}
|
2010-05-18 17:58:33 +02:00
|
|
|
|
2012-11-05 23:22:59 +01:00
|
|
|
void vp9_decode_mode_mvs_init(VP9D_COMP* const pbi, BOOL_DECODER* const bc) {
|
2012-10-31 01:53:32 +01:00
|
|
|
VP9_COMMON *cm = &pbi->common;
|
2012-10-16 22:52:39 +02:00
|
|
|
|
2012-10-17 18:38:13 +02:00
|
|
|
vpx_memset(cm->mbskip_pred_probs, 0, sizeof(cm->mbskip_pred_probs));
|
|
|
|
if (pbi->common.mb_no_coeff_skip) {
|
|
|
|
int k;
|
|
|
|
for (k = 0; k < MBSKIP_CONTEXTS; ++k)
|
2012-10-31 22:40:53 +01:00
|
|
|
cm->mbskip_pred_probs[k] = (vp9_prob)vp9_read_literal(bc, 8);
|
2012-10-17 18:38:13 +02:00
|
|
|
}
|
|
|
|
|
2012-10-18 01:47:38 +02:00
|
|
|
mb_mode_mv_init(pbi, bc);
|
2012-08-03 21:31:38 +02:00
|
|
|
}
|
2012-11-05 23:22:59 +01:00
|
|
|
void vp9_decode_mb_mode_mv(VP9D_COMP* const pbi,
|
|
|
|
MACROBLOCKD* const xd,
|
2012-08-03 21:31:38 +02:00
|
|
|
int mb_row,
|
2012-10-18 01:47:38 +02:00
|
|
|
int mb_col,
|
|
|
|
BOOL_DECODER* const bc) {
|
2012-08-03 21:31:38 +02:00
|
|
|
MODE_INFO *mi = xd->mode_info_context;
|
|
|
|
MODE_INFO *prev_mi = xd->prev_mode_info_context;
|
|
|
|
|
|
|
|
if (pbi->common.frame_type == KEY_FRAME)
|
2012-10-18 01:47:38 +02:00
|
|
|
kfread_modes(pbi, mi, mb_row, mb_col, bc);
|
2012-08-03 21:31:38 +02:00
|
|
|
else
|
2012-10-18 01:47:38 +02:00
|
|
|
read_mb_modes_mv(pbi, mi, &mi->mbmi, prev_mi, mb_row, mb_col, bc);
|
2012-08-03 21:31:38 +02:00
|
|
|
}
|