| /* |
| * 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 "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| #include "config/aom_scale_rtcd.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom_ports/system_state.h" |
| |
| #include "av1/encoder/encodemv.h" |
| #if !CONFIG_REALTIME_ONLY |
| #include "av1/encoder/misc_model_weights.h" |
| #endif // !CONFIG_REALTIME_ONLY |
| #include "av1/encoder/mv_prec.h" |
| |
| #define MV_PREC_DET_SOBEL_EDGE_THRESH 256 |
| #define MV_PREC_DET_SSE_STATIC_THRESH 1024 |
| #define MV_PREC_DET_BLK_SIZE_BITS 4 |
| #define MV_PREC_DET_BLK_SIZE (1 << MV_PREC_DET_BLK_SIZE_BITS) |
| #define MV_PREC_DET_THRESH 0.20 |
| #define MV_PREC_DET_THRESH2 0.10 |
| #define MV_PREC_DET_QTHRESH 64 // Q thresh for 1/8-pel in edge based method |
| |
| #define MV_HIPREC_QTHRESH 128 // Q thresh for 1/8-pel in q-based method |
| #define MV_HIPREC_QTHRESH2 192 // Q thresh for 1/4-pel in q-based method |
| |
| // Q thresh for 1/8-pel in edge based method |
| #if !CONFIG_REALTIME_ONLY |
| static AOM_INLINE int_mv get_ref_mv_for_mv_stats( |
| const MB_MODE_INFO *mbmi, const MB_MODE_INFO_EXT *mbmi_ext, int ref_idx) { |
| int ref_mv_idx = mbmi->ref_mv_idx; |
| if (mbmi->mode == NEAR_NEWMV || mbmi->mode == NEW_NEARMV) { |
| assert(has_second_ref(mbmi)); |
| ref_mv_idx += 1; |
| } |
| |
| 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->ref_mv_info.ref_mv_stack[ref_frame_type]; |
| |
| if (ref_frames[1] > INTRA_FRAME) { |
| 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); |
| return ref_mv_idx < mbmi_ext->ref_mv_info.ref_mv_count[ref_frame_type] |
| ? curr_ref_mv_stack[ref_mv_idx].this_mv |
| : mbmi_ext->global_mvs[ref_frame_type]; |
| } |
| |
| 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); |
| } |
| |
| static AOM_INLINE int keep_one_comp_stat(MV_STATS *mv_stats, int comp_val, |
| int comp_idx, const AV1_COMP *cpi, |
| int *rates) { |
| assert(comp_val != 0 && "mv component should not have zero value!"); |
| 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 |
| const int use_hp = cpi->common.fr_mv_precision > MV_SUBPEL_QTR_PRECISION; |
| 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 *class_cdf = cur_mvcomp_ctx->classes_cdf; |
| aom_cdf_prob *class0_cdf = cur_mvcomp_ctx->class0_cdf; |
| aom_cdf_prob(*bits_cdf)[3] = cur_mvcomp_ctx->bits_cdf; |
| 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; |
| update_cdf(sign_cdf, sign, 2); |
| |
| const int class_rate = get_symbol_cost(class_cdf, mv_class); |
| rates[r_idx++] = class_rate; |
| update_cdf(class_cdf, mv_class, MV_CLASSES); |
| |
| 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 { |
| 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); |
| } |
| } |
| rates[r_idx++] = int_bit_rate; |
| #if CONFIG_FLEX_MVRES |
| aom_cdf_prob *frac_part_cdf = |
| mv_class ? (cur_mvcomp_ctx->fp_cdf[0]) |
| : (cur_mvcomp_ctx->class0_fp_cdf[int_part][0]); |
| int frac_part_rate_hpel = 0, frac_part_rate_qpel = 0; |
| frac_part_rate_hpel = get_symbol_cost(frac_part_cdf, frac_part); |
| rates[r_idx++] = frac_part_rate_hpel; |
| update_cdf(frac_part_cdf, frac_part >> 1, 2); |
| |
| if (cpi->common.fr_mv_precision > MV_SUBPEL_HALF_PRECISION) { |
| 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); |
| rates[r_idx++] = frac_part_rate_qpel; |
| update_cdf(frac_part_cdf, frac_part & 1, 2); |
| } |
| |
| #else |
| aom_cdf_prob *frac_part_cdf = mv_class |
| ? (cur_mvcomp_ctx->fp_cdf) |
| : (cur_mvcomp_ctx->class0_fp_cdf[int_part]); |
| const int frac_part_rate = get_symbol_cost(frac_part_cdf, frac_part); |
| rates[r_idx++] = frac_part_rate; |
| update_cdf(frac_part_cdf, frac_part, MV_FP_SIZE); |
| #endif |
| |
| const int high_part_rate = |
| use_hp ? get_symbol_cost(high_part_cdf, high_part) : 0; |
| if (use_hp) { |
| update_cdf(high_part_cdf, high_part, 2); |
| } |
| rates[r_idx++] = high_part_rate; |
| |
| mv_stats->last_bit_zero += !high_part; |
| mv_stats->last_bit_nonzero += high_part; |
| |
| #if CONFIG_FLEX_MVRES |
| const int total_rate = |
| (sign_rate + class_rate + int_bit_rate + frac_part_rate_hpel + |
| frac_part_rate_qpel + high_part_rate); |
| #else |
| const int total_rate = |
| (sign_rate + class_rate + int_bit_rate + frac_part_rate + high_part_rate); |
| #endif |
| 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) { |
| 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; |
| aom_cdf_prob *joint_cdf = nmvc->joints_cdf; |
| const int use_hp = cpi->common.fr_mv_precision > MV_SUBPEL_QTR_PRECISION; |
| |
| const MV diff = { cur_mv->row - ref_mv->row, cur_mv->col - ref_mv->col }; |
| 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); |
| |
| update_cdf(joint_cdf, mv_joint, MV_JOINTS); |
| |
| 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[6]; |
| av1_zero_array(rates, 6); |
| |
| const int comp_rate = |
| comp_val ? keep_one_comp_stat(mv_stats, comp_val, comp_idx, cpi, rates) |
| : 0; |
| // TODO(chiyotsai@google.com): Properly get hp rate when use_hp is false |
| #if CONFIG_FLEX_MVRES |
| const int hp_rate = hp_comp_val ? rates[0] + rates[1] + rates[2] + |
| rates[3] + rates[4] + rates[5] |
| : 0; |
| const int lp_rate = |
| lp_comp_val ? rates[0] + rates[1] + rates[2] + rates[3] + rates[4] : 0; |
| #else |
| 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; |
| #endif |
| 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; |
| |
| if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) { |
| return; |
| } |
| |
| const MB_MODE_INFO *mbmi = cm->mi_grid_base[mi_row * cm->mi_stride + mi_col]; |
| const MB_MODE_INFO_EXT *mbmi_ext = |
| cpi->mbmi_ext_base + (mi_row * cm->mi_cols + mi_col); |
| |
| if (!is_inter_block(mbmi)) { |
| mv_stats->intra_count++; |
| return; |
| } |
| mv_stats->inter_count++; |
| |
| const PREDICTION_MODE mode = mbmi->mode; |
| const int is_compound = has_second_ref(mbmi); |
| |
| if (mode == NEWMV || 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, 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_NEW_INTER_MODES |
| } else if (mode == NEAR_NEWMV || mode == NEW_NEARMV) { |
| #else |
| } else if (mode == NEAREST_NEWMV || mode == NEAR_NEWMV || |
| mode == NEW_NEARESTMV || mode == NEW_NEARMV) { |
| #endif |
| // has exactly one new_mv |
| mv_stats->default_mvs += 1; |
| #if CONFIG_NEW_INTER_MODES |
| const int ref_idx = (mode == NEAR_NEWMV); |
| #else |
| const int ref_idx = (mode == NEAREST_NEWMV || mode == NEAR_NEWMV); |
| #endif |
| const MV ref_mv = get_ref_mv_for_mv_stats(mbmi, mbmi_ext, 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); |
| } else { |
| // No new_mv |
| mv_stats->default_mvs += 1 + is_compound; |
| } |
| |
| // Add texture information |
| const BLOCK_SIZE bsize = mbmi->sb_type; |
| 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_rows || mi_col >= cm->mi_cols) return; |
| |
| const PARTITION_TYPE partition = get_partition(cm, 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; |
| #if !CONFIG_EXT_RECUR_PARTITIONS |
| 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; |
| #endif // !CONFIG_EXT_RECUR_PARTITIONS |
| #if CONFIG_EXT_RECUR_PARTITIONS |
| case PARTITION_HORZ_3: { |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + qbs, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row + 3 * qbs, mi_col); |
| break; |
| } |
| case PARTITION_VERT_3: { |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + qbs); |
| collect_mv_stats_b(mv_stats, cpi, mi_row, mi_col + 3 * qbs); |
| break; |
| } |
| #else |
| 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; |
| #endif // CONFIG_EXT_RECUR_PARTITIONS |
| 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->tile_cols; |
| const int tile_rows = cm->tile_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 = cm->width * cm->height; |
| float features[MV_PREC_FEATURE_SIZE] = { |
| current_q, |
| mv_stats->q, |
| 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; |
| } |
| #endif // !CONFIG_REALTIME_ONLY |
| // Compute edge energy in the frame |
| static MvSubpelPrecision determine_frame_mv_precision(const AV1_COMP *cpi, |
| int q, int use_edges) { |
| (void)cpi; |
| if (!use_edges) { |
| return q < MV_HIPREC_QTHRESH ? MV_SUBPEL_EIGHTH_PRECISION |
| : MV_SUBPEL_QTR_PRECISION; |
| } |
| if (q < MV_PREC_DET_QTHRESH) return MV_SUBPEL_EIGHTH_PRECISION; |
| const YV12_BUFFER_CONFIG *srcbuf = cpi->source; |
| const YV12_BUFFER_CONFIG *refbuf = |
| get_ref_frame_yv12_buf(&cpi->common, GOLDEN_FRAME); |
| const int bd = cpi->td.mb.e_mbd.bd; |
| const int width = srcbuf->y_crop_width; |
| const int height = srcbuf->y_crop_height; |
| const int stride = srcbuf->y_stride; |
| const int ref_stride = refbuf->y_stride; |
| int num_blks[2] = { 0, 0 }; |
| if (srcbuf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| const uint16_t *src16 = |
| (const uint16_t *)CONVERT_TO_SHORTPTR(srcbuf->y_buffer); |
| const uint16_t *ref16 = |
| (const uint16_t *)CONVERT_TO_SHORTPTR(refbuf->y_buffer); |
| for (int i = 0; i < height - MV_PREC_DET_BLK_SIZE; |
| i += MV_PREC_DET_BLK_SIZE) { |
| for (int j = 0; j < width - MV_PREC_DET_BLK_SIZE; |
| j += MV_PREC_DET_BLK_SIZE) { |
| const uint16_t *src = src16 + i * stride + j; |
| const uint16_t *ref = ref16 + i * stride + j; |
| int64_t sse = aom_highbd_sse( |
| CONVERT_TO_BYTEPTR(src), stride, CONVERT_TO_BYTEPTR(ref), |
| ref_stride, MV_PREC_DET_BLK_SIZE, MV_PREC_DET_BLK_SIZE); |
| int64_t sse_norm = ROUND_POWER_OF_TWO( |
| sse, 2 * MV_PREC_DET_BLK_SIZE_BITS + 2 * (bd - 8)); |
| if (sse_norm < MV_PREC_DET_SSE_STATIC_THRESH) continue; |
| int64_t gx = 0, gy = 0, g; |
| for (int y = 0; y < MV_PREC_DET_BLK_SIZE; ++y) { |
| for (int x = 0; x < MV_PREC_DET_BLK_SIZE; ++x) { |
| gx += |
| abs(src[-stride + 1] - src[-stride - 1] + |
| (src[1] - src[-1]) * 2 + src[stride + 1] - src[stride - 1]); |
| gy += abs(src[stride - 1] - src[-stride - 1] + |
| (src[stride] - src[-stride]) * 2 + src[stride + 1] - |
| src[-stride + 1]); |
| src++; |
| } |
| src += stride - MV_PREC_DET_BLK_SIZE; |
| } |
| g = gx * gx + gy * gy; |
| // Normalize to per pixel and bit-depth of 8 |
| g = ROUND_POWER_OF_TWO( |
| g, 4 * MV_PREC_DET_BLK_SIZE_BITS + 4 + 2 * (bd - 8)); |
| ++num_blks[g > MV_PREC_DET_SOBEL_EDGE_THRESH]; |
| } |
| } |
| } else { |
| const uint8_t *src8 = srcbuf->y_buffer; |
| const uint8_t *ref8 = refbuf->y_buffer; |
| for (int i = 0; i < height - MV_PREC_DET_BLK_SIZE; |
| i += MV_PREC_DET_BLK_SIZE) { |
| for (int j = 0; j < width - MV_PREC_DET_BLK_SIZE; |
| j += MV_PREC_DET_BLK_SIZE) { |
| const uint8_t *src = src8 + i * stride + j; |
| const uint8_t *ref = ref8 + i * stride + j; |
| int64_t sse = aom_sse(src, stride, ref, ref_stride, |
| MV_PREC_DET_BLK_SIZE, MV_PREC_DET_BLK_SIZE); |
| int64_t sse_norm = |
| ROUND_POWER_OF_TWO(sse, 2 * MV_PREC_DET_BLK_SIZE_BITS); |
| if (sse_norm < MV_PREC_DET_SSE_STATIC_THRESH) continue; |
| int64_t gx = 0, gy = 0, g; |
| for (int y = 0; y < MV_PREC_DET_BLK_SIZE; ++y) { |
| for (int x = 0; x < MV_PREC_DET_BLK_SIZE; ++x) { |
| gx += |
| abs(src[-stride + 1] - src[-stride - 1] + |
| (src[1] - src[-1]) * 2 + src[stride + 1] - src[stride - 1]); |
| gy += abs(src[stride - 1] - src[-stride - 1] + |
| (src[stride] - src[-stride]) * 2 + src[stride + 1] - |
| src[-stride + 1]); |
| src++; |
| } |
| src += stride - MV_PREC_DET_BLK_SIZE; |
| } |
| g = gx * gx + gy * gy; |
| // Normalize to per pixel and bit-depth of 8 |
| g = ROUND_POWER_OF_TWO( |
| g, 4 * MV_PREC_DET_BLK_SIZE_BITS + 4 + 2 * (bd - 8)); |
| ++num_blks[g > MV_PREC_DET_SOBEL_EDGE_THRESH]; |
| } |
| } |
| } |
| if (num_blks[0] + num_blks[1] == 0) return MV_SUBPEL_QTR_PRECISION; |
| const double pct_edge_blks = |
| 100.0 * (double)num_blks[1] / (num_blks[0] + num_blks[1]); |
| const double pct_edge_blks_by_q = pct_edge_blks / q; |
| // printf("pct_edge_blks = %f [%d + %d], q = %d, ratio = %f\n", pct_edge_blks, |
| // num_blks[0], num_blks[1], q, pct_edge_blks_by_q); |
| if (pct_edge_blks_by_q >= MV_PREC_DET_THRESH) |
| return MV_SUBPEL_EIGHTH_PRECISION; |
| return MV_SUBPEL_QTR_PRECISION; |
| } |
| |
| #if CONFIG_FLEX_MVRES |
| #define FLEX_MV_PRECISION_QTHRESH 256 // Reduce to turn off at low quality |
| static int determine_pb_flex_mv_precision(const AV1_COMP *cpi, int q) { |
| return (cpi->common.fr_mv_precision >= MV_SUBPEL_QTR_PRECISION && |
| !is_stat_generation_stage(cpi) && q <= FLEX_MV_PRECISION_QTHRESH); |
| } |
| #endif // CONFIG_FLEX_MVRES |
| |
| void av1_pick_and_set_high_precision_mv(AV1_COMP *cpi, int q) { |
| MvSubpelPrecision precision = cpi->common.cur_frame_force_integer_mv |
| ? MV_SUBPEL_NONE |
| : determine_frame_mv_precision(cpi, q, 0); |
| |
| assert(IMPLIES(!cpi->common.cur_frame_force_integer_mv, |
| precision >= MV_SUBPEL_QTR_PRECISION)); |
| |
| if (cpi->sf.high_precision_mv_usage == QTR_ONLY) |
| precision = MV_SUBPEL_QTR_PRECISION; |
| |
| #if !CONFIG_REALTIME_ONLY |
| else if (cpi->sf.high_precision_mv_usage == LAST_MV_DATA && |
| av1_frame_allows_smart_mv(cpi) && cpi->mv_stats.valid) { |
| if (get_smart_mv_prec(cpi, &cpi->mv_stats, q)) |
| precision = MV_SUBPEL_EIGHTH_PRECISION; |
| } |
| #endif // !CONFIG_REALTIME_ONLY |
| |
| av1_set_mv_precision(cpi, precision, cpi->common.cur_frame_force_integer_mv); |
| |
| #if CONFIG_FLEX_MVRES |
| cpi->common.use_sb_mv_precision = ENABLE_SB_RES; |
| cpi->common.use_pb_mv_precision = |
| ENABLE_PB_RES ? determine_pb_flex_mv_precision(cpi, q) : 0; |
| #endif // CONFIG_FLEX_MVRES |
| } |
