/* * Copyright (c) 2016, Alliance for Open Media. All rights reserved * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #include "av1/common/onyxc_int.h" #include "av1/common/entropymv.h" // Integer pel reference mv threshold for use of high-precision 1/8 mv #define COMPANDED_MVREF_THRESH 8 const aom_tree_index av1_mv_joint_tree[TREE_SIZE(MV_JOINTS)] = { -MV_JOINT_ZERO, 2, -MV_JOINT_HNZVZ, 4, -MV_JOINT_HZVNZ, -MV_JOINT_HNZVNZ }; /* clang-format off */ const aom_tree_index av1_mv_class_tree[TREE_SIZE(MV_CLASSES)] = { -MV_CLASS_0, 2, -MV_CLASS_1, 4, 6, 8, -MV_CLASS_2, -MV_CLASS_3, 10, 12, -MV_CLASS_4, -MV_CLASS_5, -MV_CLASS_6, 14, 16, 18, -MV_CLASS_7, -MV_CLASS_8, -MV_CLASS_9, -MV_CLASS_10, }; /* clang-format on */ const aom_tree_index av1_mv_class0_tree[TREE_SIZE(CLASS0_SIZE)] = { -0, -1, }; const aom_tree_index av1_mv_fp_tree[TREE_SIZE(MV_FP_SIZE)] = { -0, 2, -1, 4, -2, -3 }; static const nmv_context default_nmv_context = { { 32, 64, 96 }, // joints { AOM_ICDF(4096), AOM_ICDF(11264), AOM_ICDF(19328), AOM_ICDF(32768), 0 }, // joint_cdf { { // Vertical component 128, // sign { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 }, // class { AOM_ICDF(28672), AOM_ICDF(30976), AOM_ICDF(31858), AOM_ICDF(32320), AOM_ICDF(32551), AOM_ICDF(32656), AOM_ICDF(32740), AOM_ICDF(32757), AOM_ICDF(32762), AOM_ICDF(32767), AOM_ICDF(32768), 0 }, // class_cdf { 216 }, // class0 { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, // bits { { 128, 128, 64 }, { 96, 112, 64 } }, // class0_fp { 64, 96, 64 }, // fp { { AOM_ICDF(16384), AOM_ICDF(24576), AOM_ICDF(26624), AOM_ICDF(32768), 0 }, { AOM_ICDF(12288), AOM_ICDF(21248), AOM_ICDF(24128), AOM_ICDF(32768), 0 } }, // class0_fp_cdf { AOM_ICDF(8192), AOM_ICDF(17408), AOM_ICDF(21248), AOM_ICDF(32768), 0 }, // fp_cdf 160, // class0_hp bit 128, // hp #if CONFIG_NEW_MULTISYMBOL { AOM_ICDF(160 * 128), AOM_ICDF(32768), 0 }, { AOM_ICDF(128 * 128), AOM_ICDF(32768), 0 }, { AOM_ICDF(216 * 128), AOM_ICDF(32768), 0 }, #endif }, { // Horizontal component 128, // sign { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 }, // class { AOM_ICDF(28672), AOM_ICDF(30976), AOM_ICDF(31858), AOM_ICDF(32320), AOM_ICDF(32551), AOM_ICDF(32656), AOM_ICDF(32740), AOM_ICDF(32757), AOM_ICDF(32762), AOM_ICDF(32767), AOM_ICDF(32768), 0 }, // class_cdf { 208 }, // class0 { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, // bits { { 128, 128, 64 }, { 96, 112, 64 } }, // class0_fp { 64, 96, 64 }, // fp { { AOM_ICDF(16384), AOM_ICDF(24576), AOM_ICDF(26624), AOM_ICDF(32768), 0 }, { AOM_ICDF(12288), AOM_ICDF(21248), AOM_ICDF(24128), AOM_ICDF(32768), 0 } }, // class0_fp_cdf { AOM_ICDF(8192), AOM_ICDF(17408), AOM_ICDF(21248), AOM_ICDF(32768), 0 }, // fp_cdf 160, // class0_hp bit 128, // hp #if CONFIG_NEW_MULTISYMBOL { AOM_ICDF(160 * 128), AOM_ICDF(32768), 0 }, { AOM_ICDF(128 * 128), AOM_ICDF(32768), 0 }, { AOM_ICDF(216 * 128), AOM_ICDF(32768), 0 }, #endif } }, }; static const uint8_t log_in_base_2[] = { 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10 }; static INLINE int mv_class_base(MV_CLASS_TYPE c) { return c ? CLASS0_SIZE << (c + 2) : 0; } MV_CLASS_TYPE av1_get_mv_class(int z, int *offset) { const MV_CLASS_TYPE c = (z >= CLASS0_SIZE * 4096) ? MV_CLASS_10 : (MV_CLASS_TYPE)log_in_base_2[z >> 3]; if (offset) *offset = z - mv_class_base(c); return c; } static void inc_mv_component(int v, nmv_component_counts *comp_counts, int incr, MvSubpelPrecision precision) { int s, z, c, o, d, e, f; assert(v != 0); /* should not be zero */ s = v < 0; comp_counts->sign[s] += incr; z = (s ? -v : v) - 1; /* magnitude - 1 */ c = av1_get_mv_class(z, &o); comp_counts->classes[c] += incr; d = (o >> 3); /* int mv data */ f = (o >> 1) & 3; /* fractional pel mv data */ e = (o & 1); /* high precision mv data */ if (c == MV_CLASS_0) { comp_counts->class0[d] += incr; #if CONFIG_INTRABC if (precision > MV_SUBPEL_NONE) #endif comp_counts->class0_fp[d][f] += incr; if (precision > MV_SUBPEL_LOW_PRECISION) comp_counts->class0_hp[e] += incr; } else { int i; int b = c + CLASS0_BITS - 1; // number of bits for (i = 0; i < b; ++i) comp_counts->bits[i][((d >> i) & 1)] += incr; #if CONFIG_INTRABC if (precision > MV_SUBPEL_NONE) #endif comp_counts->fp[f] += incr; if (precision > MV_SUBPEL_LOW_PRECISION) comp_counts->hp[e] += incr; } } void av1_inc_mv(const MV *mv, nmv_context_counts *counts, MvSubpelPrecision precision) { if (counts != NULL) { const MV_JOINT_TYPE j = av1_get_mv_joint(mv); ++counts->joints[j]; if (mv_joint_vertical(j)) inc_mv_component(mv->row, &counts->comps[0], 1, precision); if (mv_joint_horizontal(j)) inc_mv_component(mv->col, &counts->comps[1], 1, precision); } } void av1_adapt_mv_probs(AV1_COMMON *cm, int allow_hp) { int i, j; int idx; for (idx = 0; idx < NMV_CONTEXTS; ++idx) { nmv_context *nmvc = &cm->fc->nmvc[idx]; const nmv_context *pre_nmvc = &cm->pre_fc->nmvc[idx]; const nmv_context_counts *counts = &cm->counts.mv[idx]; aom_tree_merge_probs(av1_mv_joint_tree, pre_nmvc->joints, counts->joints, nmvc->joints); for (i = 0; i < 2; ++i) { nmv_component *comp = &nmvc->comps[i]; const nmv_component *pre_comp = &pre_nmvc->comps[i]; const nmv_component_counts *c = &counts->comps[i]; comp->sign = av1_mode_mv_merge_probs(pre_comp->sign, c->sign); aom_tree_merge_probs(av1_mv_class_tree, pre_comp->classes, c->classes, comp->classes); aom_tree_merge_probs(av1_mv_class0_tree, pre_comp->class0, c->class0, comp->class0); for (j = 0; j < MV_OFFSET_BITS; ++j) comp->bits[j] = av1_mode_mv_merge_probs(pre_comp->bits[j], c->bits[j]); for (j = 0; j < CLASS0_SIZE; ++j) aom_tree_merge_probs(av1_mv_fp_tree, pre_comp->class0_fp[j], c->class0_fp[j], comp->class0_fp[j]); aom_tree_merge_probs(av1_mv_fp_tree, pre_comp->fp, c->fp, comp->fp); if (allow_hp) { comp->class0_hp = av1_mode_mv_merge_probs(pre_comp->class0_hp, c->class0_hp); comp->hp = av1_mode_mv_merge_probs(pre_comp->hp, c->hp); } } } } void av1_init_mv_probs(AV1_COMMON *cm) { int i; for (i = 0; i < NMV_CONTEXTS; ++i) { // NB: this sets CDFs too cm->fc->nmvc[i] = default_nmv_context; } #if CONFIG_INTRABC cm->fc->ndvc = default_nmv_context; #endif // CONFIG_INTRABC }