| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include "config/aom_config.h" |
| |
| #include "aom_ports/system_state.h" |
| |
| #include "av1/encoder/encodemv.h" |
| #include "av1/encoder/misc_model_weights.h" |
| #include "av1/encoder/mv_prec.h" |
| #if CONFIG_ADAPTIVE_MVD |
| #include "av1/common/reconinter.h" |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| #if CONFIG_FLEX_MVRES |
| #include "av1/common/reconinter.h" |
| #endif |
| |
| static AOM_INLINE int_mv get_ref_mv_for_mv_stats( |
| const MB_MODE_INFO *mbmi, const MB_MODE_INFO_EXT_FRAME *mbmi_ext_frame, |
| int ref_idx) { |
| const int ref_mv_idx = mbmi->ref_mv_idx; |
| assert(IMPLIES(have_nearmv_newmv_in_inter_mode(mbmi->mode), |
| has_second_ref(mbmi))); |
| |
| const MV_REFERENCE_FRAME *ref_frames = mbmi->ref_frame; |
| const int8_t ref_frame_type = av1_ref_frame_type(ref_frames); |
| const CANDIDATE_MV *curr_ref_mv_stack = mbmi_ext_frame->ref_mv_stack; |
| |
| if (is_inter_ref_frame(ref_frames[1])) { |
| assert(ref_idx == 0 || ref_idx == 1); |
| return ref_idx ? curr_ref_mv_stack[ref_mv_idx].comp_mv |
| : curr_ref_mv_stack[ref_mv_idx].this_mv; |
| } |
| |
| assert(ref_idx == 0); |
| #if CONFIG_TIP |
| if (ref_mv_idx < mbmi_ext_frame->ref_mv_count) { |
| return curr_ref_mv_stack[ref_mv_idx].this_mv; |
| } else if (is_tip_ref_frame(ref_frame_type)) { |
| int_mv zero_mv; |
| zero_mv.as_int = 0; |
| return zero_mv; |
| } else { |
| return mbmi_ext_frame->global_mvs[ref_frame_type]; |
| } |
| #else |
| return ref_mv_idx < mbmi_ext_frame->ref_mv_count |
| ? curr_ref_mv_stack[ref_mv_idx].this_mv |
| : mbmi_ext_frame->global_mvs[ref_frame_type]; |
| #endif // CONFIG_TIP |
| } |
| |
| static AOM_INLINE int get_symbol_cost(const aom_cdf_prob *cdf, int symbol) { |
| const aom_cdf_prob cur_cdf = AOM_ICDF(cdf[symbol]); |
| const aom_cdf_prob prev_cdf = symbol ? AOM_ICDF(cdf[symbol - 1]) : 0; |
| const aom_cdf_prob p15 = AOMMAX(cur_cdf - prev_cdf, EC_MIN_PROB); |
| |
| return av1_cost_symbol(p15); |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| static AOM_INLINE int keep_one_comp_stat_low_precision( |
| MV_STATS *mv_stats, int comp, int comp_idx, const AV1_COMP *cpi, int *rates, |
| const MvSubpelPrecision pb_mv_precision) { |
| assert(comp != 0 && "mv component should not have zero value!"); |
| assert(pb_mv_precision < MV_PRECISION_ONE_PEL); |
| |
| int offset; |
| const int nonZero_offset = (1 << (MV_PRECISION_ONE_PEL - pb_mv_precision)); |
| const int sign = comp < 0; |
| const int mag_int_mv = (abs(comp) >> 3) - nonZero_offset; |
| assert(mag_int_mv >= 0); |
| const int mv_class = av1_get_mv_class_low_precision(mag_int_mv, &offset); |
| const int has_offset = (mv_class >= min_class_with_offset[pb_mv_precision]); |
| const int start_lsb = MV_PRECISION_ONE_PEL - pb_mv_precision; |
| |
| int mv_class_coded_value = mv_class; |
| // There is no valid value of MV_CLASS_1 for MV_PRECISION_FOUR_PEL. So |
| // shifting the mv_class value before coding |
| // There is no valid value of MV_CLASS_1 and MV_CLASS_2 for |
| // MV_PRECISION_8_PEL. So shifting the mv_class value before coding |
| if (pb_mv_precision == MV_PRECISION_FOUR_PEL && mv_class > MV_CLASS_1) |
| mv_class_coded_value -= 1; |
| else if (pb_mv_precision == MV_PRECISION_8_PEL && mv_class > MV_CLASS_2) |
| mv_class_coded_value -= 2; |
| |
| const int num_mv_classes = MV_CLASSES - |
| (pb_mv_precision <= MV_PRECISION_FOUR_PEL) - |
| (pb_mv_precision <= MV_PRECISION_8_PEL); |
| |
| int r_idx = 0; |
| |
| const MACROBLOCK *const x = &cpi->td.mb; |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| nmv_context *nmvc = &ec_ctx->nmvc; |
| nmv_component *mvcomp_ctx = nmvc->comps; |
| nmv_component *cur_mvcomp_ctx = &mvcomp_ctx[comp_idx]; |
| aom_cdf_prob *sign_cdf = cur_mvcomp_ctx->sign_cdf; |
| aom_cdf_prob(*bits_cdf)[3] = cur_mvcomp_ctx->bits_cdf; |
| |
| const int sign_rate = get_symbol_cost(sign_cdf, sign); |
| rates[r_idx++] = sign_rate; |
| update_cdf(sign_cdf, sign, 2); |
| |
| // Class |
| const int class_rate = get_symbol_cost( |
| cur_mvcomp_ctx->classes_cdf[av1_get_mv_class_context(pb_mv_precision)], |
| mv_class_coded_value); |
| rates[r_idx++] = class_rate; |
| update_cdf( |
| cur_mvcomp_ctx->classes_cdf[av1_get_mv_class_context(pb_mv_precision)], |
| mv_class_coded_value, num_mv_classes); |
| |
| int int_bit_rate = 0; |
| // Integer bits |
| if (has_offset) { |
| int i; |
| const int n = (mv_class == MV_CLASS_0) ? 1 : mv_class; |
| for (i = start_lsb; i < n; ++i) { |
| int_bit_rate += get_symbol_cost(bits_cdf[i], (offset >> i) & 1); |
| update_cdf(bits_cdf[i], (offset >> i) & 1, 2); |
| } |
| } |
| |
| rates[r_idx++] = int_bit_rate; |
| |
| mv_stats->last_bit_zero++; // LSB of MV is always 0; |
| mv_stats->last_bit_nonzero += 0; |
| const int total_rate = (sign_rate + class_rate + int_bit_rate); |
| return total_rate; |
| } |
| |
| #endif |
| |
| static AOM_INLINE int keep_one_comp_stat(MV_STATS *mv_stats, int comp_val, |
| int comp_idx, const AV1_COMP *cpi, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| int *rates |
| #if CONFIG_FLEX_MVRES |
| , |
| const MvSubpelPrecision pb_mv_precision |
| #endif |
| ) { |
| assert(comp_val != 0 && "mv component should not have zero value!"); |
| |
| #if CONFIG_FLEX_MVRES |
| if (pb_mv_precision < MV_PRECISION_ONE_PEL) { |
| #if CONFIG_ADAPTIVE_MVD |
| assert(!is_adaptive_mvd); |
| #endif |
| return keep_one_comp_stat_low_precision(mv_stats, comp_val, comp_idx, cpi, |
| rates, pb_mv_precision); |
| } |
| #endif |
| |
| const int sign = comp_val < 0; |
| const int mag = sign ? -comp_val : comp_val; |
| const int mag_minus_1 = mag - 1; |
| int offset; |
| const int mv_class = av1_get_mv_class(mag_minus_1, &offset); |
| const int int_part = offset >> 3; // int mv data |
| const int frac_part = (offset >> 1) & 3; // fractional mv data |
| const int high_part = offset & 1; // high precision mv data |
| |
| #if CONFIG_FLEX_MVRES |
| const int use_hp = pb_mv_precision > MV_PRECISION_QTR_PEL; |
| #else |
| #if CONFIG_ADAPTIVE_MVD && IMPROVED_AMVD |
| const int use_hp = |
| (cpi->common.features.allow_high_precision_mv && !is_adaptive_mvd); |
| #else |
| const int use_hp = cpi->common.features.allow_high_precision_mv; |
| #endif // CONFIG_ADAPTIVE_MVD && IMPROVED_AMVD |
| #endif |
| |
| int r_idx = 0; |
| |
| const MACROBLOCK *const x = &cpi->td.mb; |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| nmv_context *nmvc = &ec_ctx->nmvc; |
| nmv_component *mvcomp_ctx = nmvc->comps; |
| nmv_component *cur_mvcomp_ctx = &mvcomp_ctx[comp_idx]; |
| aom_cdf_prob *sign_cdf = cur_mvcomp_ctx->sign_cdf; |
| |
| #if !CONFIG_FLEX_MVRES |
| #if CONFIG_ADAPTIVE_MVD |
| aom_cdf_prob *class_cdf = is_adaptive_mvd ? cur_mvcomp_ctx->amvd_classes_cdf |
| : cur_mvcomp_ctx->classes_cdf; |
| #elif !CONFIG_FLEX_MVRES |
| aom_cdf_prob *class_cdf = cur_mvcomp_ctx->classes_cdf; |
| #endif // CONFIG_ADAPTIVE_MVD |
| #endif |
| |
| aom_cdf_prob *class0_cdf = cur_mvcomp_ctx->class0_cdf; |
| aom_cdf_prob(*bits_cdf)[3] = cur_mvcomp_ctx->bits_cdf; |
| #if !CONFIG_FLEX_MVRES |
| aom_cdf_prob *frac_part_cdf = mv_class |
| ? (cur_mvcomp_ctx->fp_cdf) |
| : (cur_mvcomp_ctx->class0_fp_cdf[int_part]); |
| #endif |
| aom_cdf_prob *high_part_cdf = |
| mv_class ? (cur_mvcomp_ctx->hp_cdf) : (cur_mvcomp_ctx->class0_hp_cdf); |
| |
| const int sign_rate = get_symbol_cost(sign_cdf, sign); |
| rates[r_idx++] = sign_rate; // 0 |
| update_cdf(sign_cdf, sign, 2); |
| |
| #if CONFIG_FLEX_MVRES |
| #if CONFIG_ADAPTIVE_MVD |
| const int class_rate = |
| is_adaptive_mvd |
| ? get_symbol_cost(cur_mvcomp_ctx->amvd_classes_cdf, mv_class) |
| : get_symbol_cost( |
| cur_mvcomp_ctx |
| ->classes_cdf[av1_get_mv_class_context(pb_mv_precision)], |
| mv_class); |
| #else |
| const int class_rate = get_symbol_cost( |
| cur_mvcomp_ctx->classes_cdf[av1_get_mv_class_context(pb_mv_precision)], |
| mv_class); |
| #endif |
| |
| #else |
| const int class_rate = get_symbol_cost(class_cdf, mv_class); |
| #endif |
| rates[r_idx++] = class_rate; // 1 |
| |
| #if CONFIG_FLEX_MVRES |
| #if CONFIG_ADAPTIVE_MVD |
| if (is_adaptive_mvd) |
| update_cdf(cur_mvcomp_ctx->amvd_classes_cdf, mv_class, MV_CLASSES); |
| else |
| #endif |
| update_cdf( |
| cur_mvcomp_ctx->classes_cdf[av1_get_mv_class_context(pb_mv_precision)], |
| mv_class, MV_CLASSES); |
| |
| #else |
| update_cdf(class_cdf, mv_class, MV_CLASSES); |
| #endif |
| |
| int int_bit_rate = 0; |
| if (mv_class == MV_CLASS_0) { |
| int_bit_rate = get_symbol_cost(class0_cdf, int_part); |
| update_cdf(class0_cdf, int_part, CLASS0_SIZE); |
| } else { |
| #if CONFIG_ADAPTIVE_MVD |
| if (!is_adaptive_mvd) { |
| #endif // CONFIG_ADAPTIVE_MVD |
| const int n = mv_class + CLASS0_BITS - 1; // number of bits |
| for (int i = 0; i < n; ++i) { |
| int_bit_rate += get_symbol_cost(bits_cdf[i], (int_part >> i) & 1); |
| update_cdf(bits_cdf[i], (int_part >> i) & 1, 2); |
| } |
| #if CONFIG_ADAPTIVE_MVD |
| } |
| #endif // CONFIG_ADAPTIVE_MVD |
| } |
| rates[r_idx++] = int_bit_rate; // 2 |
| #if CONFIG_ADAPTIVE_MVD |
| int use_fractional_mv = 1; |
| if (is_adaptive_mvd && (mv_class != MV_CLASS_0 || int_part > 0)) |
| use_fractional_mv = 0; |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| #if CONFIG_FLEX_MVRES |
| int frac_part_rate = 0, frac_part_rate_hpel = 0, frac_part_rate_qpel = 0; |
| aom_cdf_prob *frac_part_cdf = |
| mv_class ? (cur_mvcomp_ctx->fp_cdf[0]) |
| : (cur_mvcomp_ctx->class0_fp_cdf[int_part][0]); |
| #if CONFIG_ADAPTIVE_MVD |
| if (use_fractional_mv) { |
| #endif |
| if (pb_mv_precision > MV_PRECISION_ONE_PEL) { |
| frac_part_rate = frac_part_rate_hpel = |
| get_symbol_cost(frac_part_cdf, frac_part); |
| update_cdf(frac_part_cdf, frac_part >> 1, 2); |
| } |
| |
| if (pb_mv_precision > MV_PRECISION_HALF_PEL) { |
| frac_part_cdf = |
| mv_class |
| ? (cur_mvcomp_ctx->fp_cdf[1 + (frac_part >> 1)]) |
| : (cur_mvcomp_ctx->class0_fp_cdf[int_part][1 + (frac_part >> 1)]); |
| frac_part_rate_qpel = get_symbol_cost(frac_part_cdf, frac_part); |
| frac_part_rate += frac_part_rate_qpel; |
| update_cdf(frac_part_cdf, frac_part & 1, 2); |
| } |
| #if CONFIG_ADAPTIVE_MVD |
| } |
| #endif |
| #else |
| #if CONFIG_ADAPTIVE_MVD |
| const int frac_part_rate = |
| use_fractional_mv ? get_symbol_cost(frac_part_cdf, frac_part) : 0; |
| #else |
| const int frac_part_rate = get_symbol_cost(frac_part_cdf, frac_part); |
| #endif |
| #endif |
| |
| rates[r_idx++] = frac_part_rate; |
| |
| #if CONFIG_ADAPTIVE_MVD |
| const int high_part_rate = (use_hp && use_fractional_mv) |
| ? get_symbol_cost(high_part_cdf, high_part) |
| : 0; |
| #else |
| const int high_part_rate = |
| use_hp ? get_symbol_cost(high_part_cdf, high_part) : 0; |
| #endif // CONFIG_ADAPTIVE_MVD |
| #if CONFIG_ADAPTIVE_MVD |
| if (use_fractional_mv) { |
| #endif // CONFIG_ADAPTIVE_MVD |
| update_cdf(frac_part_cdf, frac_part, MV_FP_SIZE); |
| if (use_hp) { |
| update_cdf(high_part_cdf, high_part, 2); |
| } |
| #if CONFIG_ADAPTIVE_MVD |
| } |
| #endif // CONFIG_ADAPTIVE_MVD |
| rates[r_idx++] = high_part_rate; |
| |
| mv_stats->last_bit_zero += !high_part; |
| mv_stats->last_bit_nonzero += high_part; |
| const int total_rate = |
| (sign_rate + class_rate + int_bit_rate + frac_part_rate + high_part_rate); |
| return total_rate; |
| } |
| |
| static AOM_INLINE void keep_one_mv_stat( |
| MV_STATS *mv_stats, const MV *ref_mv, const MV *cur_mv, const AV1_COMP *cpi |
| #if CONFIG_FLEX_MVRES |
| , |
| const MvSubpelPrecision max_mv_precision, const int allow_pb_mv_precision, |
| const MvSubpelPrecision pb_mv_precision, |
| const int most_probable_pb_mv_precision |
| #if CONFIG_FLEX_MVRES |
| , |
| const MB_MODE_INFO *mbmi |
| #endif |
| #endif |
| |
| ) { |
| const MACROBLOCK *const x = &cpi->td.mb; |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
| nmv_context *nmvc = &ec_ctx->nmvc; |
| #if CONFIG_ADAPTIVE_MVD |
| const AV1_COMMON *cm = &cpi->common; |
| #if !CONFIG_FLEX_MVRES |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| #endif |
| #endif |
| |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_adaptive_mvd = enable_adaptive_mvd_resolution(cm, mbmi); |
| aom_cdf_prob *joint_cdf = |
| is_adaptive_mvd ? nmvc->amvd_joints_cdf : nmvc->joints_cdf; |
| #else |
| aom_cdf_prob *joint_cdf = nmvc->joints_cdf; |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| const int use_hp = |
| #if CONFIG_FLEX_MVRES |
| #if CONFIG_FLEX_MVRES |
| pb_mv_precision > MV_PRECISION_QTR_PEL; |
| #else |
| cpi->common.features.fr_mv_precision > MV_PRECISION_QTR_PEL; |
| #endif |
| #else |
| cpi->common.features.allow_high_precision_mv; |
| #endif |
| |
| // assert(cpi->common.features.fr_mv_precision == max_mv_precision); |
| |
| #if CONFIG_FLEX_MVRES |
| // const MvSubpelPrecision pb_mv_precision = |
| // allow_pb_mv_precision ? AOMMAX(get_mv_precision(*cur_mv, max_mv_precision), |
| // min_precision) |
| //: max_mv_precision; |
| |
| const int pb_mv_precision_ctx = |
| av1_get_pb_mv_precision_down_context(&cpi->common, xd); |
| |
| aom_cdf_prob *pb_mv_precision_cdf = |
| xd->tile_ctx |
| ->pb_mv_precision_cdf[pb_mv_precision_ctx] |
| [max_mv_precision - MV_PRECISION_HALF_PEL]; |
| |
| MV low_prec_ref_mv = *ref_mv; |
| lower_mv_precision(&low_prec_ref_mv, pb_mv_precision); |
| const MV diff = { cur_mv->row - low_prec_ref_mv.row, |
| cur_mv->col - low_prec_ref_mv.col }; |
| #else |
| const MV diff = { cur_mv->row - ref_mv->row, cur_mv->col - ref_mv->col }; |
| #endif |
| |
| const int mv_joint = av1_get_mv_joint(&diff); |
| // TODO(chiyotsai@google.com): Estimate hp_diff when we are using lp |
| const MV hp_diff = diff; |
| const int hp_mv_joint = av1_get_mv_joint(&hp_diff); |
| const MV truncated_diff = { (diff.row / 2) * 2, (diff.col / 2) * 2 }; |
| const MV lp_diff = use_hp ? truncated_diff : diff; |
| const int lp_mv_joint = av1_get_mv_joint(&lp_diff); |
| |
| aom_clear_system_state(); |
| const int mv_joint_rate = get_symbol_cost(joint_cdf, mv_joint); |
| const int hp_mv_joint_rate = get_symbol_cost(joint_cdf, hp_mv_joint); |
| const int lp_mv_joint_rate = get_symbol_cost(joint_cdf, lp_mv_joint); |
| #if CONFIG_ADAPTIVE_MVD |
| if (is_adaptive_mvd) |
| update_cdf(joint_cdf, mv_joint, MV_JOINTS); |
| else |
| #endif // CONFIG_ADAPTIVE_MVD |
| update_cdf(joint_cdf, mv_joint, MV_JOINTS); |
| |
| #if CONFIG_FLEX_MVRES |
| int flex_mv_rate = 0; |
| if (allow_pb_mv_precision) { |
| const int mpp_flag = (pb_mv_precision == most_probable_pb_mv_precision); |
| const int mpp_flag_context = av1_get_mpp_flag_context(&cpi->common, xd); |
| aom_cdf_prob *pb_mv_mpp_flag_cdf = |
| xd->tile_ctx->pb_mv_mpp_flag_cdf[mpp_flag_context]; |
| flex_mv_rate += get_symbol_cost(pb_mv_mpp_flag_cdf, mpp_flag); |
| update_cdf(pb_mv_mpp_flag_cdf, mpp_flag, 2); |
| if (!mpp_flag) { |
| #if ADAPTIVE_PRECISION_SETS |
| const PRECISION_SET *precision_def = |
| &av1_mv_precision_sets[mbmi->mb_precision_set]; |
| int down = av1_get_pb_mv_precision_index(mbmi); |
| int nsymbs = precision_def->num_precisions - 1; |
| #else |
| int down = max_mv_precision - pb_mv_precision; |
| int nsymbs = max_mv_precision; |
| int down_mpp = max_mv_precision - most_probable_pb_mv_precision; |
| if (down > down_mpp) down--; |
| #endif |
| flex_mv_rate += get_symbol_cost(pb_mv_precision_cdf, down); |
| update_cdf(pb_mv_precision_cdf, down, nsymbs); |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| mv_stats->precision_count[pb_mv_precision]++; |
| #endif |
| } |
| |
| mv_stats->total_mv_rate += flex_mv_rate; |
| mv_stats->hp_total_mv_rate += flex_mv_rate; |
| mv_stats->lp_total_mv_rate += flex_mv_rate; |
| #endif |
| |
| mv_stats->total_mv_rate += mv_joint_rate; |
| mv_stats->hp_total_mv_rate += hp_mv_joint_rate; |
| mv_stats->lp_total_mv_rate += lp_mv_joint_rate; |
| mv_stats->mv_joint_count[mv_joint]++; |
| |
| for (int comp_idx = 0; comp_idx < 2; comp_idx++) { |
| const int comp_val = comp_idx ? diff.col : diff.row; |
| const int hp_comp_val = comp_idx ? hp_diff.col : hp_diff.row; |
| const int lp_comp_val = comp_idx ? lp_diff.col : lp_diff.row; |
| int rates[5]; |
| av1_zero_array(rates, 5); |
| #if CONFIG_ADAPTIVE_MVD |
| const int comp_rate = comp_val |
| ? keep_one_comp_stat(mv_stats, comp_val, comp_idx, |
| cpi, is_adaptive_mvd, rates |
| #if CONFIG_FLEX_MVRES |
| , |
| pb_mv_precision |
| #endif |
| |
| ) |
| : 0; |
| #else |
| const int comp_rate = |
| comp_val ? keep_one_comp_stat(mv_stats, comp_val, comp_idx, cpi, rates |
| #if CONFIG_FLEX_MVRES |
| , |
| pb_mv_precision |
| #endif |
| ) |
| : 0; |
| #endif // CONFIG_ADAPTIVE_MVD |
| // TODO(chiyotsai@google.com): Properly get hp rate when use_hp is false |
| const int hp_rate = |
| hp_comp_val ? rates[0] + rates[1] + rates[2] + rates[3] + rates[4] : 0; |
| const int lp_rate = |
| lp_comp_val ? rates[0] + rates[1] + rates[2] + rates[3] : 0; |
| |
| mv_stats->total_mv_rate += comp_rate; |
| mv_stats->hp_total_mv_rate += hp_rate; |
| mv_stats->lp_total_mv_rate += lp_rate; |
| } |
| } |
| |
| static AOM_INLINE void collect_mv_stats_b(MV_STATS *mv_stats, |
| const AV1_COMP *cpi, int mi_row, |
| int mi_col) { |
| const AV1_COMMON *cm = &cpi->common; |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| |
| if (mi_row >= mi_params->mi_rows || mi_col >= mi_params->mi_cols) { |
| return; |
| } |
| |
| const MB_MODE_INFO *mbmi = |
| mi_params->mi_grid_base[mi_row * mi_params->mi_stride + mi_col]; |
| const MB_MODE_INFO_EXT_FRAME *mbmi_ext_frame = |
| cpi->mbmi_ext_info.frame_base + |
| get_mi_ext_idx(mi_row, mi_col, cm->mi_params.mi_alloc_bsize, |
| cpi->mbmi_ext_info.stride); |
| if (!is_inter_block(mbmi, SHARED_PART)) { |
| mv_stats->intra_count++; |
| return; |
| } |
| mv_stats->inter_count++; |
| |
| const PREDICTION_MODE mode = mbmi->mode; |
| const int is_compound = has_second_ref(mbmi); |
| |
| #if CONFIG_FLEX_MVRES |
| const MvSubpelPrecision max_mv_precision = mbmi->max_mv_precision; |
| const int allow_pb_mv_precision = |
| is_pb_mv_precision_active(cm, mbmi, mbmi->sb_type[PLANE_TYPE_Y]); |
| MvSubpelPrecision pb_mv_precision = mbmi->pb_mv_precision; |
| assert(pb_mv_precision == mbmi->pb_mv_precision); |
| const int most_probable_pb_mv_precision = mbmi->most_probable_pb_mv_precision; |
| #endif |
| |
| if (mode == NEWMV || |
| #if IMPROVED_AMVD |
| mode == AMVDNEWMV || |
| #endif // IMPROVED_AMVD |
| #if CONFIG_OPTFLOW_REFINEMENT |
| mode == NEW_NEWMV_OPTFLOW || |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| mode == NEW_NEWMV) { |
| // All mvs are new |
| for (int ref_idx = 0; ref_idx < 1 + is_compound; ++ref_idx) { |
| const MV ref_mv = |
| get_ref_mv_for_mv_stats(mbmi, mbmi_ext_frame, ref_idx).as_mv; |
| const MV cur_mv = mbmi->mv[ref_idx].as_mv; |
| keep_one_mv_stat(mv_stats, &ref_mv, &cur_mv, cpi |
| #if CONFIG_FLEX_MVRES |
| , |
| max_mv_precision, allow_pb_mv_precision, pb_mv_precision, |
| most_probable_pb_mv_precision, mbmi |
| #endif |
| |
| ); |
| } |
| } else if (have_nearmv_newmv_in_inter_mode(mode)) { |
| // has exactly one new_mv |
| mv_stats->default_mvs += 1; |
| #if CONFIG_OPTFLOW_REFINEMENT |
| int ref_idx = (mode == NEAR_NEWMV || mode == NEAR_NEWMV_OPTFLOW); |
| #else |
| int ref_idx = (mode == NEAR_NEWMV); |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| const MV ref_mv = |
| get_ref_mv_for_mv_stats(mbmi, mbmi_ext_frame, ref_idx).as_mv; |
| const MV cur_mv = mbmi->mv[ref_idx].as_mv; |
| keep_one_mv_stat(mv_stats, &ref_mv, &cur_mv, cpi |
| #if CONFIG_FLEX_MVRES |
| , |
| max_mv_precision, allow_pb_mv_precision, pb_mv_precision, |
| most_probable_pb_mv_precision, mbmi |
| #endif |
| ); |
| } else { |
| // No new_mv |
| mv_stats->default_mvs += 1 + is_compound; |
| } |
| |
| // Add texture information |
| const BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; |
| const int num_rows = block_size_high[bsize]; |
| const int num_cols = block_size_wide[bsize]; |
| const int y_stride = cpi->source->y_stride; |
| const int px_row = 4 * mi_row, px_col = 4 * mi_col; |
| const int buf_is_hbd = cpi->source->flags & YV12_FLAG_HIGHBITDEPTH; |
| const int bd = cm->seq_params.bit_depth; |
| if (buf_is_hbd) { |
| uint16_t *source_buf = |
| CONVERT_TO_SHORTPTR(cpi->source->y_buffer) + px_row * y_stride + px_col; |
| for (int row = 0; row < num_rows - 1; row++) { |
| for (int col = 0; col < num_cols - 1; col++) { |
| const int offset = row * y_stride + col; |
| const int horz_diff = |
| abs(source_buf[offset + 1] - source_buf[offset]) >> (bd - 8); |
| const int vert_diff = |
| abs(source_buf[offset + y_stride] - source_buf[offset]) >> (bd - 8); |
| mv_stats->horz_text += horz_diff; |
| mv_stats->vert_text += vert_diff; |
| mv_stats->diag_text += horz_diff * vert_diff; |
| } |
| } |
| } else { |
| uint8_t *source_buf = cpi->source->y_buffer + px_row * y_stride + px_col; |
| for (int row = 0; row < num_rows - 1; row++) { |
| for (int col = 0; col < num_cols - 1; col++) { |
| const int offset = row * y_stride + col; |
| const int horz_diff = abs(source_buf[offset + 1] - source_buf[offset]); |
| const int vert_diff = |
| abs(source_buf[offset + y_stride] - source_buf[offset]); |
| mv_stats->horz_text += horz_diff; |
| mv_stats->vert_text += vert_diff; |
| mv_stats->diag_text += horz_diff * vert_diff; |
| } |
| } |
| } |
| } |
| |
| // Split block |
| static AOM_INLINE void collect_mv_stats_sb(MV_STATS *mv_stats, |
| const AV1_COMP *cpi, int mi_row, |
| int mi_col, BLOCK_SIZE bsize) { |
| assert(bsize < BLOCK_SIZES_ALL); |
| const AV1_COMMON *cm = &cpi->common; |
| |
| if (mi_row >= cm->mi_params.mi_rows || mi_col >= cm->mi_params.mi_cols) |
| return; |
| const PARTITION_TYPE partition = |
| get_partition(cm, SHARED_PART, mi_row, mi_col, bsize); |
| const BLOCK_SIZE subsize = get_partition_subsize(bsize, partition); |
| |
| const int hbs = mi_size_wide[bsize] / 2; |
| const int qbs = mi_size_wide[bsize] / 4; |
| switch (partition) { |
| case PARTITION_NONE: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| break; |
| case PARTITION_HORZ: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col); |
| break; |
| case PARTITION_VERT: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + hbs); |
| break; |
| case PARTITION_SPLIT: |
| collect_mv_stats_sb(mv_stats, cpi, mi_row, mi_col, subsize); |
| collect_mv_stats_sb(mv_stats, cpi, mi_row, mi_col + hbs, subsize); |
| collect_mv_stats_sb(mv_stats, cpi, mi_row + hbs, mi_col, subsize); |
| collect_mv_stats_sb(mv_stats, cpi, mi_row + hbs, mi_col + hbs, subsize); |
| break; |
| case PARTITION_HORZ_A: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + hbs); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col); |
| break; |
| case PARTITION_HORZ_B: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col + hbs); |
| break; |
| case PARTITION_VERT_A: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + hbs); |
| break; |
| case PARTITION_VERT_B: |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + hbs); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + hbs, mi_col + hbs); |
| break; |
| case PARTITION_HORZ_4: |
| for (int i = 0; i < 4; ++i) { |
| const int this_mi_row = mi_row + i * qbs; |
| collect_mv_stats_b(mv_stats, cpi, this_mi_row, mi_col); |
| } |
| break; |
| case PARTITION_VERT_4: |
| for (int i = 0; i < 4; ++i) { |
| const int this_mi_col = mi_col + i * qbs; |
| collect_mv_stats_b(mv_stats, cpi, mi_row, this_mi_col); |
| } |
| break; |
| default: assert(0); |
| } |
| } |
| |
| static AOM_INLINE void collect_mv_stats_tile(MV_STATS *mv_stats, |
| const AV1_COMP *cpi, |
| const TileInfo *tile_info) { |
| const AV1_COMMON *cm = &cpi->common; |
| const int mi_row_start = tile_info->mi_row_start; |
| const int mi_row_end = tile_info->mi_row_end; |
| const int mi_col_start = tile_info->mi_col_start; |
| const int mi_col_end = tile_info->mi_col_end; |
| const int sb_size_mi = cm->seq_params.mib_size; |
| BLOCK_SIZE sb_size = cm->seq_params.sb_size; |
| for (int mi_row = mi_row_start; mi_row < mi_row_end; mi_row += sb_size_mi) { |
| for (int mi_col = mi_col_start; mi_col < mi_col_end; mi_col += sb_size_mi) { |
| collect_mv_stats_sb(mv_stats, cpi, mi_row, mi_col, sb_size); |
| } |
| } |
| } |
| |
| void av1_collect_mv_stats(AV1_COMP *cpi, int current_q) { |
| MV_STATS *mv_stats = &cpi->mv_stats; |
| const AV1_COMMON *cm = &cpi->common; |
| const int tile_cols = cm->tiles.cols; |
| const int tile_rows = cm->tiles.rows; |
| |
| for (int tile_row = 0; tile_row < tile_rows; tile_row++) { |
| TileInfo tile_info; |
| av1_tile_set_row(&tile_info, cm, tile_row); |
| for (int tile_col = 0; tile_col < tile_cols; tile_col++) { |
| const int tile_idx = tile_row * tile_cols + tile_col; |
| av1_tile_set_col(&tile_info, cm, tile_col); |
| cpi->tile_data[tile_idx].tctx = *cm->fc; |
| cpi->td.mb.e_mbd.tile_ctx = &cpi->tile_data[tile_idx].tctx; |
| collect_mv_stats_tile(mv_stats, cpi, &tile_info); |
| } |
| } |
| |
| mv_stats->q = current_q; |
| mv_stats->order = cpi->common.current_frame.order_hint; |
| mv_stats->valid = 1; |
| } |
| |
| static AOM_INLINE int get_smart_mv_prec(AV1_COMP *cpi, const MV_STATS *mv_stats, |
| int current_q) { |
| const AV1_COMMON *cm = &cpi->common; |
| const int order_hint = cpi->common.current_frame.order_hint; |
| const int order_diff = order_hint - mv_stats->order; |
| aom_clear_system_state(); |
| const float area = (float)(cm->width * cm->height); |
| #if CONFIG_FLEX_MVRES && FAST_FLEX_MV_ENCODER && DEBUG_FLEX_MV |
| assert(AOMMIN(cm->width, cm->height) < 1080); |
| CHECK_FLEX_MV((AOMMIN(cm->width, cm->height) >= 1080), |
| "1/8-th pel should be be allowed for 1080p or larger"); |
| #endif |
| float features[MV_PREC_FEATURE_SIZE] = { |
| (float)current_q, |
| (float)mv_stats->q, |
| (float)order_diff, |
| mv_stats->inter_count / area, |
| mv_stats->intra_count / area, |
| mv_stats->default_mvs / area, |
| mv_stats->mv_joint_count[0] / area, |
| mv_stats->mv_joint_count[1] / area, |
| mv_stats->mv_joint_count[2] / area, |
| mv_stats->mv_joint_count[3] / area, |
| mv_stats->last_bit_zero / area, |
| mv_stats->last_bit_nonzero / area, |
| mv_stats->total_mv_rate / area, |
| mv_stats->hp_total_mv_rate / area, |
| mv_stats->lp_total_mv_rate / area, |
| mv_stats->horz_text / area, |
| mv_stats->vert_text / area, |
| mv_stats->diag_text / area, |
| }; |
| |
| for (int f_idx = 0; f_idx < MV_PREC_FEATURE_SIZE; f_idx++) { |
| features[f_idx] = |
| (features[f_idx] - av1_mv_prec_mean[f_idx]) / av1_mv_prec_std[f_idx]; |
| } |
| float score = 0.0f; |
| |
| av1_nn_predict(features, &av1_mv_prec_dnn_config, 1, &score); |
| |
| const int use_high_hp = score >= 0.0f; |
| return use_high_hp; |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| static AOM_INLINE int get_most_probable_mv_prec(AV1_COMP *cpi, |
| const MV_STATS *mv_stats, |
| int current_q) { |
| (void)current_q; |
| aom_clear_system_state(); |
| int best_precision = cpi->common.features.fr_mv_precision; |
| if (mv_stats->valid) { |
| int best_count = 0; |
| for (int k = cpi->common.features.fr_mv_precision; k >= MV_PRECISION_8_PEL; |
| k--) { |
| // printf(" %d , ", mv_stats->precision_count[k]); |
| if (mv_stats->precision_count[k] > best_count) { |
| best_count = mv_stats->precision_count[k]; |
| best_precision = k; |
| } |
| } |
| // printf("Best precision = %d \n", best_precision); |
| } |
| |
| best_precision = AOMMIN(best_precision, cpi->common.features.fr_mv_precision); |
| |
| return (MvSubpelPrecision)best_precision; |
| } |
| #endif |
| |
| void av1_pick_and_set_high_precision_mv(AV1_COMP *cpi, int qindex) { |
| int use_hp = qindex < HIGH_PRECISION_MV_QTHRESH; |
| |
| if (cpi->sf.hl_sf.high_precision_mv_usage == QTR_ONLY) { |
| use_hp = 0; |
| } else if (cpi->sf.hl_sf.high_precision_mv_usage == LAST_MV_DATA && |
| av1_frame_allows_smart_mv(cpi) && cpi->mv_stats.valid) { |
| use_hp = get_smart_mv_prec(cpi, &cpi->mv_stats, qindex); |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| MvSubpelPrecision prec = MV_PRECISION_QTR_PEL + use_hp; |
| if (cpi->common.features.cur_frame_force_integer_mv) { |
| prec = MV_PRECISION_ONE_PEL; |
| } |
| av1_set_high_precision_mv(cpi, prec); |
| #if CONFIG_FLEX_MVRES |
| cpi->common.features.use_sb_mv_precision = 0; |
| cpi->common.features.use_pb_mv_precision = 1; |
| cpi->common.features.most_probable_fr_mv_precision = |
| cpi->common.features.fr_mv_precision; |
| |
| #endif // CONFIG_FLEX_MVRES |
| #else |
| av1_set_high_precision_mv(cpi, use_hp, |
| cpi->common.features.cur_frame_force_integer_mv); |
| #endif |
| } |
