1474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org/* 2474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * 4474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * Use of this source code is governed by a BSD-style license 5474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * that can be found in the LICENSE file in the root of the source 6474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * tree. An additional intellectual property rights grant can be found 7474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * in the file PATENTS. All contributing project authors may 8474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * be found in the AUTHORS file in the root of the source tree. 9474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org */ 10474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 11474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 12474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include "treereader.h" 13474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include "vp8/common/entropymv.h" 14474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include "vp8/common/entropymode.h" 15474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include "onyxd_int.h" 16474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include "vp8/common/findnearmv.h" 17474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 18474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#if CONFIG_DEBUG 19474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#include <assert.h> 20474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#endif 21167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic B_PREDICTION_MODE read_bmode(vp8_reader *bc, const vp8_prob *p) 22474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 23474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const int i = vp8_treed_read(bc, vp8_bmode_tree, p); 24474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 25167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org return (B_PREDICTION_MODE)i; 26474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 27474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 28167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic MB_PREDICTION_MODE read_ymode(vp8_reader *bc, const vp8_prob *p) 29474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 30474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const int i = vp8_treed_read(bc, vp8_ymode_tree, p); 31474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 32167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org return (MB_PREDICTION_MODE)i; 33474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 34474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 35167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic MB_PREDICTION_MODE read_kf_ymode(vp8_reader *bc, const vp8_prob *p) 36474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 37474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const int i = vp8_treed_read(bc, vp8_kf_ymode_tree, p); 38474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 39167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org return (MB_PREDICTION_MODE)i; 40474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 41474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 42167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic MB_PREDICTION_MODE read_uv_mode(vp8_reader *bc, const vp8_prob *p) 43474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 44474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const int i = vp8_treed_read(bc, vp8_uv_mode_tree, p); 45474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 46167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org return (MB_PREDICTION_MODE)i; 47474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 48474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 49167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic void read_kf_modes(VP8D_COMP *pbi, MODE_INFO *mi) 50474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 51ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org vp8_reader *const bc = & pbi->mbc[8]; 52474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const int mis = pbi->common.mode_info_stride; 53474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 54167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->mbmi.ref_frame = INTRA_FRAME; 55ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mi->mbmi.mode = read_kf_ymode(bc, vp8_kf_ymode_prob); 56474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 57167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (mi->mbmi.mode == B_PRED) 58167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 59167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int i = 0; 605c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mi->mbmi.is_4x4 = 1; 61474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 62167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org do 63167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 64167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const B_PREDICTION_MODE A = above_block_mode(mi, i, mis); 65167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const B_PREDICTION_MODE L = left_block_mode(mi, i); 66474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 67167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[i].as_mode = 68ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org read_bmode(bc, vp8_kf_bmode_prob [A] [L]); 69474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 70167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org while (++i < 16); 71167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 72167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 73ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mi->mbmi.uv_mode = read_uv_mode(bc, vp8_kf_uv_mode_prob); 74474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 75474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 76474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic int read_mvcomponent(vp8_reader *r, const MV_CONTEXT *mvc) 77474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 78474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const vp8_prob *const p = (const vp8_prob *) mvc; 79474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int x = 0; 80474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 81474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (vp8_read(r, p [mvpis_short])) /* Large */ 82474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 83474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int i = 0; 84474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 85474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 86474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 87474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org x += vp8_read(r, p [MVPbits + i]) << i; 88474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 89474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++i < 3); 90474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 91474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org i = mvlong_width - 1; /* Skip bit 3, which is sometimes implicit */ 92474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 93474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 94474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 95474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org x += vp8_read(r, p [MVPbits + i]) << i; 96474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 97474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (--i > 3); 98474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 99474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (!(x & 0xFFF0) || vp8_read(r, p [MVPbits + 3])) 100474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org x += 8; 101474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 102474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org else /* small */ 103474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org x = vp8_treed_read(r, vp8_small_mvtree, p + MVPshort); 104474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 105474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (x && vp8_read(r, p [MVPsign])) 106474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org x = -x; 107474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 108474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org return x; 109474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 110474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 111474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic void read_mv(vp8_reader *r, MV *mv, const MV_CONTEXT *mvc) 112474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 113085cab8fbb48aa8b9f7e3e6d5a2694afd0ffe2e0johannkoenig@chromium.org mv->row = (short)(read_mvcomponent(r, mvc) * 2); 114085cab8fbb48aa8b9f7e3e6d5a2694afd0ffe2e0johannkoenig@chromium.org mv->col = (short)(read_mvcomponent(r, ++mvc) * 2); 115474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 116474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 117474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 118474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic void read_mvcontexts(vp8_reader *bc, MV_CONTEXT *mvc) 119474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 120474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int i = 0; 121474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 122474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 123474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 124474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const vp8_prob *up = vp8_mv_update_probs[i].prob; 125474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org vp8_prob *p = (vp8_prob *)(mvc + i); 126474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org vp8_prob *const pstop = p + MVPcount; 127474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 128474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 129474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 130474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (vp8_read(bc, *up++)) 131474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 132474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org const vp8_prob x = (vp8_prob)vp8_read_literal(bc, 7); 133474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 134474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org *p = x ? x << 1 : 1; 135474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 136474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 137474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++p < pstop); 138474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 139474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++i < 2); 140474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 141474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 142474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic const unsigned char mbsplit_fill_count[4] = {8, 8, 4, 1}; 143474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic const unsigned char mbsplit_fill_offset[4][16] = { 144474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, 145474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15}, 146474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15}, 147474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} 148474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org}; 149474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 150474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 151474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgstatic void mb_mode_mv_init(VP8D_COMP *pbi) 152474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 153ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org vp8_reader *const bc = & pbi->mbc[8]; 154474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org MV_CONTEXT *const mvc = pbi->common.fc.mvc; 155474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 156474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#if CONFIG_ERROR_CONCEALMENT 157474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org /* Default is that no macroblock is corrupt, therefore we initialize 158474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * mvs_corrupt_from_mb to something very big, which we can be sure is 159474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * outside the frame. */ 160474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->mvs_corrupt_from_mb = UINT_MAX; 161474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#endif 162ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org /* Read the mb_no_coeff_skip flag */ 163ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org pbi->common.mb_no_coeff_skip = (int)vp8_read_bit(bc); 164ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org 165474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->prob_skip_false = 0; 166474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (pbi->common.mb_no_coeff_skip) 167474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->prob_skip_false = (vp8_prob)vp8_read_literal(bc, 8); 168474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 169474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if(pbi->common.frame_type != KEY_FRAME) 170474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 171474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->prob_intra = (vp8_prob)vp8_read_literal(bc, 8); 172474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->prob_last = (vp8_prob)vp8_read_literal(bc, 8); 173474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->prob_gf = (vp8_prob)vp8_read_literal(bc, 8); 174474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 175474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (vp8_read_bit(bc)) 176474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 177474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int i = 0; 178474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 179474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 180474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 181167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org pbi->common.fc.ymode_prob[i] = 182167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (vp8_prob) vp8_read_literal(bc, 8); 183474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 184474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++i < 4); 185474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 186474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 187474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (vp8_read_bit(bc)) 188474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 189474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int i = 0; 190474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 191474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 192474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 193167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org pbi->common.fc.uv_mode_prob[i] = 194167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (vp8_prob) vp8_read_literal(bc, 8); 195474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 196474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++i < 3); 197474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 198474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 199474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org read_mvcontexts(bc, mvc); 200474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 201474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 202474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 203167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgconst vp8_prob vp8_sub_mv_ref_prob3 [8][VP8_SUBMVREFS-1] = 204167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org{ 205167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 147, 136, 18 }, /* SUBMVREF_NORMAL */ 206167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 223, 1 , 34 }, /* SUBMVREF_LEFT_ABOVE_SAME */ 207167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 106, 145, 1 }, /* SUBMVREF_LEFT_ZED */ 208167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 208, 1 , 1 }, /* SUBMVREF_LEFT_ABOVE_ZED */ 209167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 179, 121, 1 }, /* SUBMVREF_ABOVE_ZED */ 210167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 223, 1 , 34 }, /* SUBMVREF_LEFT_ABOVE_SAME */ 211167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 179, 121, 1 }, /* SUBMVREF_ABOVE_ZED */ 212167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 208, 1 , 1 } /* SUBMVREF_LEFT_ABOVE_ZED */ 213167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org}; 214474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 215167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic 2165c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.orgconst vp8_prob * get_sub_mv_ref_prob(const int left, const int above) 217474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 2185c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int lez = (left == 0); 2195c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int aez = (above == 0); 2205c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int lea = (left == above); 221167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const vp8_prob * prob; 222474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 223167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org prob = vp8_sub_mv_ref_prob3[(aez << 2) | 224167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (lez << 1) | 225167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (lea)]; 226167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 227167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org return prob; 228167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org} 229474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 230167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic void decode_split_mv(vp8_reader *const bc, MODE_INFO *mi, 2315c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org const MODE_INFO *left_mb, const MODE_INFO *above_mb, 2325c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org MB_MODE_INFO *mbmi, int_mv best_mv, 233167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org MV_CONTEXT *const mvc, int mb_to_left_edge, 234167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int mb_to_right_edge, int mb_to_top_edge, 235167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int mb_to_bottom_edge) 236167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org{ 237167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int s; /* split configuration (16x8, 8x16, 8x8, 4x4) */ 238167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int num_p; /* number of partitions in the split configuration 239167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (see vp8_mbsplit_count) */ 240167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int j = 0; 241167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 242167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org s = 3; 243167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org num_p = 16; 244167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if( vp8_read(bc, 110) ) 245167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 246167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org s = 2; 247167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org num_p = 4; 248167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if( vp8_read(bc, 111) ) 249167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 250167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org s = vp8_read(bc, 150); 251167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org num_p = 2; 252167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 253167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 254474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 255167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org do /* for each subset j */ 256167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 257167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv leftmv, abovemv; 258167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv blockmv; 259167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int k; /* first block in subset j */ 260474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 261167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const vp8_prob *prob; 262167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org k = vp8_mbsplit_offset[s][j]; 263474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 2645c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if (!(k & 3)) 2655c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 2665c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org /* On L edge, get from MB to left of us */ 2675c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if(left_mb->mbmi.mode != SPLITMV) 2685c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org leftmv.as_int = left_mb->mbmi.mv.as_int; 2695c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 2705c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org leftmv.as_int = (left_mb->bmi + k + 4 - 1)->mv.as_int; 2715c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 2725c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 2735c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org leftmv.as_int = (mi->bmi + k - 1)->mv.as_int; 274474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 2755c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if (!(k >> 2)) 2765c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 2775c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org /* On top edge, get from MB above us */ 2785c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if(above_mb->mbmi.mode != SPLITMV) 2795c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org abovemv.as_int = above_mb->mbmi.mv.as_int; 2805c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 2815c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org abovemv.as_int = (above_mb->bmi + k + 16 - 4)->mv.as_int; 2825c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 2835c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 2845c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org abovemv.as_int = (mi->bmi + k - 4)->mv.as_int; 285167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 2865c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org prob = get_sub_mv_ref_prob(leftmv.as_int, abovemv.as_int); 287167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 2885c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, prob[0]) ) 2895c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 2905c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, prob[1]) ) 2915c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 2925c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org blockmv.as_int = 0; 2935c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, prob[2]) ) 2945c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 295085cab8fbb48aa8b9f7e3e6d5a2694afd0ffe2e0johannkoenig@chromium.org blockmv.as_mv.row = read_mvcomponent(bc, &mvc[0]) * 2; 2965c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org blockmv.as_mv.row += best_mv.as_mv.row; 297085cab8fbb48aa8b9f7e3e6d5a2694afd0ffe2e0johannkoenig@chromium.org blockmv.as_mv.col = read_mvcomponent(bc, &mvc[1]) * 2; 2985c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org blockmv.as_mv.col += best_mv.as_mv.col; 2995c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 3005c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 3015c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 3025c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 3035c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org blockmv.as_int = abovemv.as_int; 3045c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 3055c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 3065c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 3075c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 3085c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org blockmv.as_int = leftmv.as_int; 3095c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org } 310167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 311ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mbmi->need_to_clamp_mvs |= vp8_check_mv_bounds(&blockmv, 312ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mb_to_left_edge, 313ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mb_to_right_edge, 314ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mb_to_top_edge, 315ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mb_to_bottom_edge); 316ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org 317167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 318167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Fill (uniform) modes, mvs of jth subset. 319167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org Must do it here because ensuing subsets can 320167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org refer back to us via "left" or "above". */ 321167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const unsigned char *fill_offset; 322167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org unsigned int fill_count = mbsplit_fill_count[s]; 323167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 324167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org fill_offset = &mbsplit_fill_offset[s] 325167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org [(unsigned char)j * mbsplit_fill_count[s]]; 326167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 327167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org do { 328167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ *fill_offset].mv.as_int = blockmv.as_int; 329167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org fill_offset++; 330167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org }while (--fill_count); 331167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 332474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 333167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 334167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org while (++j < num_p); 335167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 336167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->partitioning = s; 337167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org} 338167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 3395c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.orgstatic void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi) 340167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org{ 341ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org vp8_reader *const bc = & pbi->mbc[8]; 342167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->ref_frame = (MV_REFERENCE_FRAME) vp8_read(bc, pbi->prob_intra); 343167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (mbmi->ref_frame) /* inter MB */ 344474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 345167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org enum {CNT_INTRA, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV}; 346167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int cnt[4]; 347167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int *cntx = cnt; 348167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv near_mvs[4]; 349167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv *nmv = near_mvs; 350167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const int mis = pbi->mb.mode_info_stride; 351167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const MODE_INFO *above = mi - mis; 352167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const MODE_INFO *left = mi - 1; 353167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org const MODE_INFO *aboveleft = above - 1; 354167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int *ref_frame_sign_bias = pbi->common.ref_frame_sign_bias; 355167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 356167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->need_to_clamp_mvs = 0; 357474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 358474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org if (vp8_read(bc, pbi->prob_last)) 359474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 360167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->ref_frame = 361167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (MV_REFERENCE_FRAME)((int)(2 + vp8_read(bc, pbi->prob_gf))); 362474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 363474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 364167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Zero accumulators */ 365167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org nmv[0].as_int = nmv[1].as_int = nmv[2].as_int = 0; 366167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org cnt[0] = cnt[1] = cnt[2] = cnt[3] = 0; 367474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 368167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Process above */ 369167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (above->mbmi.ref_frame != INTRA_FRAME) 370474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 371167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (above->mbmi.mv.as_int) 372167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 373167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (++nmv)->as_int = above->mbmi.mv.as_int; 374167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mv_bias(ref_frame_sign_bias[above->mbmi.ref_frame], 375167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->ref_frame, nmv, ref_frame_sign_bias); 376167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org ++cntx; 377167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 378167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 379167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org *cntx += 2; 380167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 381474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 382167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Process left */ 383167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (left->mbmi.ref_frame != INTRA_FRAME) 384167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 385167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (left->mbmi.mv.as_int) 386474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 387167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv this_mv; 388474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 389167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org this_mv.as_int = left->mbmi.mv.as_int; 390167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mv_bias(ref_frame_sign_bias[left->mbmi.ref_frame], 391167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->ref_frame, &this_mv, ref_frame_sign_bias); 392474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 393167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (this_mv.as_int != nmv->as_int) 394474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 395167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (++nmv)->as_int = this_mv.as_int; 396167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org ++cntx; 397474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 398474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 399167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org *cntx += 2; 400167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 401167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 402167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org cnt[CNT_INTRA] += 2; 403167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 404167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 405167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Process above left */ 406167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (aboveleft->mbmi.ref_frame != INTRA_FRAME) 407167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 408167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (aboveleft->mbmi.mv.as_int) 409167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 410167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv this_mv; 411474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 412167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org this_mv.as_int = aboveleft->mbmi.mv.as_int; 413167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mv_bias(ref_frame_sign_bias[aboveleft->mbmi.ref_frame], 414167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->ref_frame, &this_mv, ref_frame_sign_bias); 415167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 416167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (this_mv.as_int != nmv->as_int) 417474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 418167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (++nmv)->as_int = this_mv.as_int; 419167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org ++cntx; 420474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 421474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 422167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org *cntx += 1; 423474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 424167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 425167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org cnt[CNT_INTRA] += 1; 426474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 427474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 4285c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_INTRA]] [0]) ) 429167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 430167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 431167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* If we have three distinct MV's ... */ 4325c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org /* See if above-left MV can be merged with NEAREST */ 4335c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org cnt[CNT_NEAREST] += ( (cnt[CNT_SPLITMV] > 0) & 4345c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org (nmv->as_int == near_mvs[CNT_NEAREST].as_int)); 435167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 436167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Swap near and nearest if necessary */ 437167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) 438167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 439167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int tmp; 440167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org tmp = cnt[CNT_NEAREST]; 441167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org cnt[CNT_NEAREST] = cnt[CNT_NEAR]; 442167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org cnt[CNT_NEAR] = tmp; 443167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org tmp = near_mvs[CNT_NEAREST].as_int; 444167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org near_mvs[CNT_NEAREST].as_int = near_mvs[CNT_NEAR].as_int; 445167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org near_mvs[CNT_NEAR].as_int = tmp; 446167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 447167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 4485c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_NEAREST]] [1]) ) 449167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 450167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 4515c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_NEAR]] [2]) ) 452167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 453167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int mb_to_top_edge; 454167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int mb_to_bottom_edge; 4555c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int mb_to_left_edge; 4565c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int mb_to_right_edge; 4575c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org MV_CONTEXT *const mvc = pbi->common.fc.mvc; 4585c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int near_index; 459167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 460167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_top_edge = pbi->mb.mb_to_top_edge; 461167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_bottom_edge = pbi->mb.mb_to_bottom_edge; 462167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_top_edge -= LEFT_TOP_MARGIN; 463167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_bottom_edge += RIGHT_BOTTOM_MARGIN; 4645c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mb_to_right_edge = pbi->mb.mb_to_right_edge; 4655c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mb_to_right_edge += RIGHT_BOTTOM_MARGIN; 4665c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mb_to_left_edge = pbi->mb.mb_to_left_edge; 4675c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mb_to_left_edge -= LEFT_TOP_MARGIN; 468167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 469167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Use near_mvs[0] to store the "best" MV */ 4705c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org near_index = CNT_INTRA + 4715c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org (cnt[CNT_NEAREST] >= cnt[CNT_INTRA]); 472167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 4735c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org vp8_clamp_mv2(&near_mvs[near_index], &pbi->mb); 474167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 4755c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org cnt[CNT_SPLITMV] = ((above->mbmi.mode == SPLITMV) 4765c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org + (left->mbmi.mode == SPLITMV)) * 2 4775c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org + (aboveleft->mbmi.mode == SPLITMV); 478167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 4795c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_SPLITMV]] [3]) ) 480167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 4815c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org decode_split_mv(bc, mi, left, above, 4825c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mbmi, 4835c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org near_mvs[near_index], 484167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mvc, mb_to_left_edge, 485167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_right_edge, 486167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_top_edge, 487167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_bottom_edge); 488167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mv.as_int = mi->bmi[15].mv.as_int; 489167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mode = SPLITMV; 4905c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mbmi->is_4x4 = 1; 491167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 492167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 493167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 494167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org int_mv *const mbmi_mv = & mbmi->mv; 495167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org read_mv(bc, &mbmi_mv->as_mv, (const MV_CONTEXT *) mvc); 4965c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mbmi_mv->as_mv.row += near_mvs[near_index].as_mv.row; 4975c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mbmi_mv->as_mv.col += near_mvs[near_index].as_mv.col; 498167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 499167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Don't need to check this on NEARMV and NEARESTMV 500167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * modes since those modes clamp the MV. The NEWMV mode 501167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * does not, so signal to the prediction stage whether 502167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * special handling may be required. 503167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org */ 504167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->need_to_clamp_mvs = 505167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org vp8_check_mv_bounds(mbmi_mv, mb_to_left_edge, 506167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_right_edge, 507167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_top_edge, 508167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mb_to_bottom_edge); 509167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mode = NEWMV; 510167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 511167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 512167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 513167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 514167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mode = NEARMV; 515167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mv.as_int = near_mvs[CNT_NEAR].as_int; 516ee2f97e8e0aed42dc736a058a7e8b580eef36d8djohannkoenig@chromium.org vp8_clamp_mv2(&mbmi->mv, &pbi->mb); 517167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 518167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 519167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 520167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 521167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mode = NEARESTMV; 522167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mv.as_int = near_mvs[CNT_NEAREST].as_int; 523ee2f97e8e0aed42dc736a058a7e8b580eef36d8djohannkoenig@chromium.org vp8_clamp_mv2(&mbmi->mv, &pbi->mb); 524167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 525167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 5265c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org else 5275c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org { 528167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mode = ZEROMV; 529167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->mv.as_int = 0; 530167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 531167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 532167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org#if CONFIG_ERROR_CONCEALMENT 5335c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org if(pbi->ec_enabled && (mbmi->mode != SPLITMV)) 534167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 535167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 0].mv.as_int = 536167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 1].mv.as_int = 537167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 2].mv.as_int = 538167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 3].mv.as_int = 539167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 4].mv.as_int = 540167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 5].mv.as_int = 541167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 6].mv.as_int = 542167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 7].mv.as_int = 543167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 8].mv.as_int = 544167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[ 9].mv.as_int = 545167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[10].mv.as_int = 546167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[11].mv.as_int = 547167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[12].mv.as_int = 548167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[13].mv.as_int = 549167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[14].mv.as_int = 550167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[15].mv.as_int = mbmi->mv.as_int; 551474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 552167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org#endif 553474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 554474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org else 555474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 556474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org /* required for left and above block mv */ 557474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org mbmi->mv.as_int = 0; 558474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 559474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org /* MB is intra coded */ 560167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if ((mbmi->mode = read_ymode(bc, pbi->common.fc.ymode_prob)) == B_PRED) 561474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 562474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int j = 0; 5635c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mbmi->is_4x4 = 1; 564474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org do 565474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 566167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->bmi[j].as_mode = read_bmode(bc, pbi->common.fc.bmode_prob); 567474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 568474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++j < 16); 569474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 570474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 571167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mbmi->uv_mode = read_uv_mode(bc, pbi->common.fc.uv_mode_prob); 572474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 573474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 574474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 575474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 576167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic void read_mb_features(vp8_reader *r, MB_MODE_INFO *mi, MACROBLOCKD *x) 577167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org{ 578167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Is segmentation enabled */ 579167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (x->segmentation_enabled && x->update_mb_segmentation_map) 580167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org { 581167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* If so then read the segment id. */ 582167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (vp8_read(r, x->mb_segment_tree_probs[0])) 583167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->segment_id = 584167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (unsigned char)(2 + vp8_read(r, x->mb_segment_tree_probs[2])); 585167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 586167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->segment_id = 587167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org (unsigned char)(vp8_read(r, x->mb_segment_tree_probs[1])); 588167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org } 589167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org} 590167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 591167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.orgstatic void decode_mb_mode_mvs(VP8D_COMP *pbi, MODE_INFO *mi, 5925c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org MB_MODE_INFO *mbmi) 593167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org{ 594167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Read the Macroblock segmentation map if it is being updated explicitly 595167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * this frame (reset to 0 above by default) 596167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * By default on a key frame reset all MBs to segment 0 597167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org */ 598167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (pbi->mb.update_mb_segmentation_map) 599ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org read_mb_features(&pbi->mbc[8], &mi->mbmi, &pbi->mb); 600167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else if(pbi->common.frame_type == KEY_FRAME) 601167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->mbmi.segment_id = 0; 602167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 603167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org /* Read the macroblock coeff skip flag if this feature is in use, 604167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org * else default to 0 */ 605167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if (pbi->common.mb_no_coeff_skip) 606ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org mi->mbmi.mb_skip_coeff = vp8_read(&pbi->mbc[8], pbi->prob_skip_false); 607167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 608167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org mi->mbmi.mb_skip_coeff = 0; 609167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 6105c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mi->mbmi.is_4x4 = 0; 611167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org if(pbi->common.frame_type == KEY_FRAME) 612167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org read_kf_modes(pbi, mi); 613167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org else 6145c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org read_mb_modes_mv(pbi, mi, &mi->mbmi); 615167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 616167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org} 617167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 618474eb7536515fb785e925cc9375d22817c416851hclam@chromium.orgvoid vp8_decode_mode_mvs(VP8D_COMP *pbi) 619474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org{ 620474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org MODE_INFO *mi = pbi->common.mi; 621474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int mb_row = -1; 6225c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org int mb_to_right_edge_start; 623474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 624474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org mb_mode_mv_init(pbi); 625474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 6265c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_top_edge = 0; 6275c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_bottom_edge = ((pbi->common.mb_rows - 1) * 16) << 3; 6285c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org mb_to_right_edge_start = ((pbi->common.mb_cols - 1) * 16) << 3; 6295c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org 630474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++mb_row < pbi->common.mb_rows) 631474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 632474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int mb_col = -1; 633474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 6345c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_left_edge = 0; 6355c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_right_edge = mb_to_right_edge_start; 636474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 637474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org while (++mb_col < pbi->common.mb_cols) 638474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 639474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#if CONFIG_ERROR_CONCEALMENT 640474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org int mb_num = mb_row * pbi->common.mb_cols + mb_col; 641474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#endif 642167514562bbce1eb0566271d6cb41d90d2b5ffa0hclam@chromium.org 6435c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org decode_mb_mode_mvs(pbi, mi, &mi->mbmi); 644474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 645474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#if CONFIG_ERROR_CONCEALMENT 646474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org /* look for corruption. set mvs_corrupt_from_mb to the current 647474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * mb_num if the frame is corrupt from this macroblock. */ 648ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org if (vp8dx_bool_error(&pbi->mbc[8]) && mb_num < 649ed759d81a39febed3a8a395386639d54307504aagrunell@chromium.org (int)pbi->mvs_corrupt_from_mb) 650474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org { 651474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org pbi->mvs_corrupt_from_mb = mb_num; 652474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org /* no need to continue since the partition is corrupt from 653474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org * here on. 654474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org */ 655474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org return; 656474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 657474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org#endif 658474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 6595c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_left_edge -= (16 << 3); 6605c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_right_edge -= (16 << 3); 661474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org mi++; /* next macroblock */ 662474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 6635c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_top_edge -= (16 << 3); 6645c1d3b27608a3f3f6028c069b9bf066a4de474b6hclam@chromium.org pbi->mb.mb_to_bottom_edge -= (16 << 3); 665474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org 666474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org mi++; /* skip left predictor each row */ 667474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org } 668474eb7536515fb785e925cc9375d22817c416851hclam@chromium.org} 669