1233d2500723e5594f3e7c70896ffeeef32b9c950ywan/* 2233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3233d2500723e5594f3e7c70896ffeeef32b9c950ywan * 4233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Use of this source code is governed by a BSD-style license 5233d2500723e5594f3e7c70896ffeeef32b9c950ywan * that can be found in the LICENSE file in the root of the source 6233d2500723e5594f3e7c70896ffeeef32b9c950ywan * tree. An additional intellectual property rights grant can be found 7233d2500723e5594f3e7c70896ffeeef32b9c950ywan * in the file PATENTS. All contributing project authors may 8233d2500723e5594f3e7c70896ffeeef32b9c950ywan * be found in the AUTHORS file in the root of the source tree. 9233d2500723e5594f3e7c70896ffeeef32b9c950ywan */ 10233d2500723e5594f3e7c70896ffeeef32b9c950ywan 11233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include <math.h> 12233d2500723e5594f3e7c70896ffeeef32b9c950ywan 13233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_common.h" 14233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_entropymode.h" 15233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_systemdependent.h" 16233d2500723e5594f3e7c70896ffeeef32b9c950ywan 17233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/encoder/vp9_cost.h" 18233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/encoder/vp9_encodemv.h" 19233d2500723e5594f3e7c70896ffeeef32b9c950ywan 20233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic struct vp9_token mv_joint_encodings[MV_JOINTS]; 21233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic struct vp9_token mv_class_encodings[MV_CLASSES]; 22233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic struct vp9_token mv_fp_encodings[MV_FP_SIZE]; 23233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic struct vp9_token mv_class0_encodings[CLASS0_SIZE]; 24233d2500723e5594f3e7c70896ffeeef32b9c950ywan 25233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_entropy_mv_init() { 26233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_tokens_from_tree(mv_joint_encodings, vp9_mv_joint_tree); 27233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_tokens_from_tree(mv_class_encodings, vp9_mv_class_tree); 28233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_tokens_from_tree(mv_class0_encodings, vp9_mv_class0_tree); 29233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_tokens_from_tree(mv_fp_encodings, vp9_mv_fp_tree); 30233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 31233d2500723e5594f3e7c70896ffeeef32b9c950ywan 32233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic void encode_mv_component(vp9_writer* w, int comp, 33233d2500723e5594f3e7c70896ffeeef32b9c950ywan const nmv_component* mvcomp, int usehp) { 34233d2500723e5594f3e7c70896ffeeef32b9c950ywan int offset; 35233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int sign = comp < 0; 36233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int mag = sign ? -comp : comp; 37233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int mv_class = vp9_get_mv_class(mag - 1, &offset); 38233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int d = offset >> 3; // int mv data 39233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int fr = (offset >> 1) & 3; // fractional mv data 40233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int hp = offset & 1; // high precision mv data 41233d2500723e5594f3e7c70896ffeeef32b9c950ywan 42233d2500723e5594f3e7c70896ffeeef32b9c950ywan assert(comp != 0); 43233d2500723e5594f3e7c70896ffeeef32b9c950ywan 44233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Sign 45233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write(w, sign, mvcomp->sign); 46233d2500723e5594f3e7c70896ffeeef32b9c950ywan 47233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Class 48233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write_token(w, vp9_mv_class_tree, mvcomp->classes, 49233d2500723e5594f3e7c70896ffeeef32b9c950ywan &mv_class_encodings[mv_class]); 50233d2500723e5594f3e7c70896ffeeef32b9c950ywan 51233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Integer bits 52233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mv_class == MV_CLASS_0) { 53233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write_token(w, vp9_mv_class0_tree, mvcomp->class0, 54233d2500723e5594f3e7c70896ffeeef32b9c950ywan &mv_class0_encodings[d]); 55233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 56233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i; 57233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int n = mv_class + CLASS0_BITS - 1; // number of bits 58233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < n; ++i) 59233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write(w, (d >> i) & 1, mvcomp->bits[i]); 60233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 61233d2500723e5594f3e7c70896ffeeef32b9c950ywan 62233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Fractional bits 63233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write_token(w, vp9_mv_fp_tree, 64233d2500723e5594f3e7c70896ffeeef32b9c950ywan mv_class == MV_CLASS_0 ? mvcomp->class0_fp[d] : mvcomp->fp, 65233d2500723e5594f3e7c70896ffeeef32b9c950ywan &mv_fp_encodings[fr]); 66233d2500723e5594f3e7c70896ffeeef32b9c950ywan 67233d2500723e5594f3e7c70896ffeeef32b9c950ywan // High precision bit 68233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (usehp) 69233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write(w, hp, 70233d2500723e5594f3e7c70896ffeeef32b9c950ywan mv_class == MV_CLASS_0 ? mvcomp->class0_hp : mvcomp->hp); 71233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 72233d2500723e5594f3e7c70896ffeeef32b9c950ywan 73233d2500723e5594f3e7c70896ffeeef32b9c950ywan 74233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic void build_nmv_component_cost_table(int *mvcost, 75233d2500723e5594f3e7c70896ffeeef32b9c950ywan const nmv_component* const mvcomp, 76233d2500723e5594f3e7c70896ffeeef32b9c950ywan int usehp) { 77233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, v; 78233d2500723e5594f3e7c70896ffeeef32b9c950ywan int sign_cost[2], class_cost[MV_CLASSES], class0_cost[CLASS0_SIZE]; 79233d2500723e5594f3e7c70896ffeeef32b9c950ywan int bits_cost[MV_OFFSET_BITS][2]; 80233d2500723e5594f3e7c70896ffeeef32b9c950ywan int class0_fp_cost[CLASS0_SIZE][MV_FP_SIZE], fp_cost[MV_FP_SIZE]; 81233d2500723e5594f3e7c70896ffeeef32b9c950ywan int class0_hp_cost[2], hp_cost[2]; 82233d2500723e5594f3e7c70896ffeeef32b9c950ywan 83233d2500723e5594f3e7c70896ffeeef32b9c950ywan sign_cost[0] = vp9_cost_zero(mvcomp->sign); 84233d2500723e5594f3e7c70896ffeeef32b9c950ywan sign_cost[1] = vp9_cost_one(mvcomp->sign); 85233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_cost_tokens(class_cost, mvcomp->classes, vp9_mv_class_tree); 86233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_cost_tokens(class0_cost, mvcomp->class0, vp9_mv_class0_tree); 87233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < MV_OFFSET_BITS; ++i) { 88233d2500723e5594f3e7c70896ffeeef32b9c950ywan bits_cost[i][0] = vp9_cost_zero(mvcomp->bits[i]); 89233d2500723e5594f3e7c70896ffeeef32b9c950ywan bits_cost[i][1] = vp9_cost_one(mvcomp->bits[i]); 90233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 91233d2500723e5594f3e7c70896ffeeef32b9c950ywan 92233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < CLASS0_SIZE; ++i) 93233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_cost_tokens(class0_fp_cost[i], mvcomp->class0_fp[i], vp9_mv_fp_tree); 94233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_cost_tokens(fp_cost, mvcomp->fp, vp9_mv_fp_tree); 95233d2500723e5594f3e7c70896ffeeef32b9c950ywan 96233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (usehp) { 97233d2500723e5594f3e7c70896ffeeef32b9c950ywan class0_hp_cost[0] = vp9_cost_zero(mvcomp->class0_hp); 98233d2500723e5594f3e7c70896ffeeef32b9c950ywan class0_hp_cost[1] = vp9_cost_one(mvcomp->class0_hp); 99233d2500723e5594f3e7c70896ffeeef32b9c950ywan hp_cost[0] = vp9_cost_zero(mvcomp->hp); 100233d2500723e5594f3e7c70896ffeeef32b9c950ywan hp_cost[1] = vp9_cost_one(mvcomp->hp); 101233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 102233d2500723e5594f3e7c70896ffeeef32b9c950ywan mvcost[0] = 0; 103233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (v = 1; v <= MV_MAX; ++v) { 104233d2500723e5594f3e7c70896ffeeef32b9c950ywan int z, c, o, d, e, f, cost = 0; 105233d2500723e5594f3e7c70896ffeeef32b9c950ywan z = v - 1; 106233d2500723e5594f3e7c70896ffeeef32b9c950ywan c = vp9_get_mv_class(z, &o); 107233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += class_cost[c]; 108233d2500723e5594f3e7c70896ffeeef32b9c950ywan d = (o >> 3); /* int mv data */ 109233d2500723e5594f3e7c70896ffeeef32b9c950ywan f = (o >> 1) & 3; /* fractional pel mv data */ 110233d2500723e5594f3e7c70896ffeeef32b9c950ywan e = (o & 1); /* high precision mv data */ 111233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (c == MV_CLASS_0) { 112233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += class0_cost[d]; 113233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 114233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, b; 115233d2500723e5594f3e7c70896ffeeef32b9c950ywan b = c + CLASS0_BITS - 1; /* number of bits */ 116233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < b; ++i) 117233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += bits_cost[i][((d >> i) & 1)]; 118233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 119233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (c == MV_CLASS_0) { 120233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += class0_fp_cost[d][f]; 121233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 122233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += fp_cost[f]; 123233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 124233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (usehp) { 125233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (c == MV_CLASS_0) { 126233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += class0_hp_cost[e]; 127233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 128233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost += hp_cost[e]; 129233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 130233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 131233d2500723e5594f3e7c70896ffeeef32b9c950ywan mvcost[v] = cost + sign_cost[0]; 132233d2500723e5594f3e7c70896ffeeef32b9c950ywan mvcost[-v] = cost + sign_cost[1]; 133233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 134233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 135233d2500723e5594f3e7c70896ffeeef32b9c950ywan 136233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic int update_mv(vp9_writer *w, const unsigned int ct[2], vp9_prob *cur_p, 137233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_prob upd_p) { 138233d2500723e5594f3e7c70896ffeeef32b9c950ywan const vp9_prob new_p = get_binary_prob(ct[0], ct[1]) | 1; 139233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int update = cost_branch256(ct, *cur_p) + vp9_cost_zero(upd_p) > 140233d2500723e5594f3e7c70896ffeeef32b9c950ywan cost_branch256(ct, new_p) + vp9_cost_one(upd_p) + 7 * 256; 141233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write(w, update, upd_p); 142233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (update) { 143233d2500723e5594f3e7c70896ffeeef32b9c950ywan *cur_p = new_p; 144233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write_literal(w, new_p >> 1, 7); 145233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 146233d2500723e5594f3e7c70896ffeeef32b9c950ywan return update; 147233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 148233d2500723e5594f3e7c70896ffeeef32b9c950ywan 149233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic void write_mv_update(const vp9_tree_index *tree, 150233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_prob probs[/*n - 1*/], 151233d2500723e5594f3e7c70896ffeeef32b9c950ywan const unsigned int counts[/*n - 1*/], 152233d2500723e5594f3e7c70896ffeeef32b9c950ywan int n, vp9_writer *w) { 153233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i; 154233d2500723e5594f3e7c70896ffeeef32b9c950ywan unsigned int branch_ct[32][2]; 155233d2500723e5594f3e7c70896ffeeef32b9c950ywan 156233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Assuming max number of probabilities <= 32 157233d2500723e5594f3e7c70896ffeeef32b9c950ywan assert(n <= 32); 158233d2500723e5594f3e7c70896ffeeef32b9c950ywan 159233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_tree_probs_from_distribution(tree, branch_ct, counts); 160233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < n - 1; ++i) 161233d2500723e5594f3e7c70896ffeeef32b9c950ywan update_mv(w, branch_ct[i], &probs[i], MV_UPDATE_PROB); 162233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 163233d2500723e5594f3e7c70896ffeeef32b9c950ywan 164233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_write_nmv_probs(VP9_COMMON *cm, int usehp, vp9_writer *w) { 165233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, j; 166233d2500723e5594f3e7c70896ffeeef32b9c950ywan nmv_context *const mvc = &cm->fc.nmvc; 167233d2500723e5594f3e7c70896ffeeef32b9c950ywan nmv_context_counts *const counts = &cm->counts.mv; 168233d2500723e5594f3e7c70896ffeeef32b9c950ywan 169233d2500723e5594f3e7c70896ffeeef32b9c950ywan write_mv_update(vp9_mv_joint_tree, mvc->joints, counts->joints, MV_JOINTS, w); 170233d2500723e5594f3e7c70896ffeeef32b9c950ywan 171233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < 2; ++i) { 172233d2500723e5594f3e7c70896ffeeef32b9c950ywan nmv_component *comp = &mvc->comps[i]; 173233d2500723e5594f3e7c70896ffeeef32b9c950ywan nmv_component_counts *comp_counts = &counts->comps[i]; 174233d2500723e5594f3e7c70896ffeeef32b9c950ywan 175233d2500723e5594f3e7c70896ffeeef32b9c950ywan update_mv(w, comp_counts->sign, &comp->sign, MV_UPDATE_PROB); 176233d2500723e5594f3e7c70896ffeeef32b9c950ywan write_mv_update(vp9_mv_class_tree, comp->classes, comp_counts->classes, 177233d2500723e5594f3e7c70896ffeeef32b9c950ywan MV_CLASSES, w); 178233d2500723e5594f3e7c70896ffeeef32b9c950ywan write_mv_update(vp9_mv_class0_tree, comp->class0, comp_counts->class0, 179233d2500723e5594f3e7c70896ffeeef32b9c950ywan CLASS0_SIZE, w); 180233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (j = 0; j < MV_OFFSET_BITS; ++j) 181233d2500723e5594f3e7c70896ffeeef32b9c950ywan update_mv(w, comp_counts->bits[j], &comp->bits[j], MV_UPDATE_PROB); 182233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 183233d2500723e5594f3e7c70896ffeeef32b9c950ywan 184233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < 2; ++i) { 185233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (j = 0; j < CLASS0_SIZE; ++j) 186233d2500723e5594f3e7c70896ffeeef32b9c950ywan write_mv_update(vp9_mv_fp_tree, mvc->comps[i].class0_fp[j], 187233d2500723e5594f3e7c70896ffeeef32b9c950ywan counts->comps[i].class0_fp[j], MV_FP_SIZE, w); 188233d2500723e5594f3e7c70896ffeeef32b9c950ywan 189233d2500723e5594f3e7c70896ffeeef32b9c950ywan write_mv_update(vp9_mv_fp_tree, mvc->comps[i].fp, counts->comps[i].fp, 190233d2500723e5594f3e7c70896ffeeef32b9c950ywan MV_FP_SIZE, w); 191233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 192233d2500723e5594f3e7c70896ffeeef32b9c950ywan 193233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (usehp) { 194233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < 2; ++i) { 195233d2500723e5594f3e7c70896ffeeef32b9c950ywan update_mv(w, counts->comps[i].class0_hp, &mvc->comps[i].class0_hp, 196233d2500723e5594f3e7c70896ffeeef32b9c950ywan MV_UPDATE_PROB); 197233d2500723e5594f3e7c70896ffeeef32b9c950ywan update_mv(w, counts->comps[i].hp, &mvc->comps[i].hp, MV_UPDATE_PROB); 198233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 199233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 200233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 201233d2500723e5594f3e7c70896ffeeef32b9c950ywan 202233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_encode_mv(VP9_COMP* cpi, vp9_writer* w, 203233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MV* mv, const MV* ref, 204233d2500723e5594f3e7c70896ffeeef32b9c950ywan const nmv_context* mvctx, int usehp) { 205233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MV diff = {mv->row - ref->row, 206233d2500723e5594f3e7c70896ffeeef32b9c950ywan mv->col - ref->col}; 207233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MV_JOINT_TYPE j = vp9_get_mv_joint(&diff); 208233d2500723e5594f3e7c70896ffeeef32b9c950ywan usehp = usehp && vp9_use_mv_hp(ref); 209233d2500723e5594f3e7c70896ffeeef32b9c950ywan 210233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_write_token(w, vp9_mv_joint_tree, mvctx->joints, &mv_joint_encodings[j]); 211233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mv_joint_vertical(j)) 212233d2500723e5594f3e7c70896ffeeef32b9c950ywan encode_mv_component(w, diff.row, &mvctx->comps[0], usehp); 213233d2500723e5594f3e7c70896ffeeef32b9c950ywan 214233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mv_joint_horizontal(j)) 215233d2500723e5594f3e7c70896ffeeef32b9c950ywan encode_mv_component(w, diff.col, &mvctx->comps[1], usehp); 216233d2500723e5594f3e7c70896ffeeef32b9c950ywan 217233d2500723e5594f3e7c70896ffeeef32b9c950ywan // If auto_mv_step_size is enabled then keep track of the largest 218233d2500723e5594f3e7c70896ffeeef32b9c950ywan // motion vector component used. 219233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (!cpi->dummy_packing && cpi->sf.auto_mv_step_size) { 220233d2500723e5594f3e7c70896ffeeef32b9c950ywan unsigned int maxv = MAX(abs(mv->row), abs(mv->col)) >> 3; 221233d2500723e5594f3e7c70896ffeeef32b9c950ywan cpi->max_mv_magnitude = MAX(maxv, cpi->max_mv_magnitude); 222233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 223233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 224233d2500723e5594f3e7c70896ffeeef32b9c950ywan 225233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_build_nmv_cost_table(int *mvjoint, int *mvcost[2], 226233d2500723e5594f3e7c70896ffeeef32b9c950ywan const nmv_context* ctx, int usehp) { 227233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_cost_tokens(mvjoint, ctx->joints, vp9_mv_joint_tree); 228233d2500723e5594f3e7c70896ffeeef32b9c950ywan build_nmv_component_cost_table(mvcost[0], &ctx->comps[0], usehp); 229233d2500723e5594f3e7c70896ffeeef32b9c950ywan build_nmv_component_cost_table(mvcost[1], &ctx->comps[1], usehp); 230233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 231233d2500723e5594f3e7c70896ffeeef32b9c950ywan 232233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic void inc_mvs(const MB_MODE_INFO *mbmi, const int_mv mvs[2], 233233d2500723e5594f3e7c70896ffeeef32b9c950ywan nmv_context_counts *counts) { 234233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i; 235233d2500723e5594f3e7c70896ffeeef32b9c950ywan 236233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < 1 + has_second_ref(mbmi); ++i) { 237233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MV *ref = &mbmi->ref_mvs[mbmi->ref_frame[i]][0].as_mv; 238233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MV diff = {mvs[i].as_mv.row - ref->row, 239233d2500723e5594f3e7c70896ffeeef32b9c950ywan mvs[i].as_mv.col - ref->col}; 240233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_inc_mv(&diff, counts); 241233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 242233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 243233d2500723e5594f3e7c70896ffeeef32b9c950ywan 244233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_update_mv_count(VP9_COMMON *cm, const MACROBLOCKD *xd) { 245233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MODE_INFO *mi = xd->mi[0]; 246233d2500723e5594f3e7c70896ffeeef32b9c950ywan const MB_MODE_INFO *const mbmi = &mi->mbmi; 247233d2500723e5594f3e7c70896ffeeef32b9c950ywan 248233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mbmi->sb_type < BLOCK_8X8) { 249233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int num_4x4_w = num_4x4_blocks_wide_lookup[mbmi->sb_type]; 250233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int num_4x4_h = num_4x4_blocks_high_lookup[mbmi->sb_type]; 251233d2500723e5594f3e7c70896ffeeef32b9c950ywan int idx, idy; 252233d2500723e5594f3e7c70896ffeeef32b9c950ywan 253233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (idy = 0; idy < 2; idy += num_4x4_h) { 254233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (idx = 0; idx < 2; idx += num_4x4_w) { 255233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int i = idy * 2 + idx; 256233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mi->bmi[i].as_mode == NEWMV) 257233d2500723e5594f3e7c70896ffeeef32b9c950ywan inc_mvs(mbmi, mi->bmi[i].as_mv, &cm->counts.mv); 258233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 259233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 260233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 261233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (mbmi->mode == NEWMV) 262233d2500723e5594f3e7c70896ffeeef32b9c950ywan inc_mvs(mbmi, mbmi->mv, &cm->counts.mv); 263233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 264233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 265233d2500723e5594f3e7c70896ffeeef32b9c950ywan 266