| /* |
| * 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 <limits.h> |
| #include <math.h> |
| #include <stdio.h> |
| |
| #include "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_mem/aom_mem.h" |
| #include "aom_ports/mem.h" |
| |
| #include "av1/common/av1_common_int.h" |
| #include "av1/common/common.h" |
| #include "av1/common/filter.h" |
| #include "av1/common/mvref_common.h" |
| #include "av1/common/reconinter.h" |
| |
| #include "av1/encoder/encoder.h" |
| #include "av1/encoder/encodemv.h" |
| #include "av1/encoder/mcomp.h" |
| #include "av1/encoder/rdopt.h" |
| #include "av1/encoder/reconinter_enc.h" |
| |
| static INLINE void init_mv_cost_params(MV_COST_PARAMS *mv_cost_params, |
| const MvCosts *mv_costs, |
| #if CONFIG_ADAPTIVE_MVD |
| int is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| const MV *ref_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| MvSubpelPrecision pb_mv_precision |
| #if CONFIG_BVCOST_UPDATE |
| , |
| const int is_ibc_cost |
| #endif |
| #endif |
| ) { |
| mv_cost_params->ref_mv = ref_mv; |
| mv_cost_params->full_ref_mv = get_fullmv_from_mv(ref_mv); |
| mv_cost_params->mv_cost_type = MV_COST_ENTROPY; |
| |
| #if CONFIG_FLEX_MVRES |
| mv_cost_params->mv_costs = mv_costs; |
| mv_cost_params->pb_mv_precision = pb_mv_precision; |
| |
| #if CONFIG_ADAPTIVE_MVD |
| mv_cost_params->is_adaptive_mvd = is_adaptive_mvd; |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| #if CONFIG_BVCOST_UPDATE |
| mv_cost_params->is_ibc_cost = is_ibc_cost; |
| #endif |
| |
| #else |
| mv_cost_params->error_per_bit = mv_costs->errorperbit; |
| mv_cost_params->sad_per_bit = mv_costs->sadperbit; |
| #if CONFIG_ADAPTIVE_MVD |
| if (is_adaptive_mvd) { |
| mv_cost_params->mvjcost = mv_costs->amvd_nmv_joint_cost; |
| mv_cost_params->mvcost[0] = mv_costs->amvd_mv_cost_stack[0]; |
| mv_cost_params->mvcost[1] = mv_costs->amvd_mv_cost_stack[1]; |
| } else { |
| #endif // CONFIG_ADAPTIVE_MVD |
| mv_cost_params->mvjcost = mv_costs->nmv_joint_cost; |
| mv_cost_params->mvcost[0] = mv_costs->mv_cost_stack[0]; |
| mv_cost_params->mvcost[1] = mv_costs->mv_cost_stack[1]; |
| #if CONFIG_ADAPTIVE_MVD |
| } |
| #endif // CONFIG_ADAPTIVE_MVD |
| #endif |
| } |
| |
| static INLINE void init_ms_buffers(MSBuffers *ms_buffers, const MACROBLOCK *x) { |
| ms_buffers->ref = &x->e_mbd.plane[0].pre[0]; |
| ms_buffers->src = &x->plane[0].src; |
| |
| av1_set_ms_compound_refs(ms_buffers, NULL, NULL, 0, 0); |
| |
| ms_buffers->wsrc = x->obmc_buffer.wsrc; |
| ms_buffers->obmc_mask = x->obmc_buffer.mask; |
| } |
| |
| static AOM_INLINE SEARCH_METHODS |
| get_faster_search_method(SEARCH_METHODS search_method) { |
| // Note on search method's accuracy: |
| // 1. NSTEP |
| // 2. DIAMOND |
| // 3. BIGDIA \approx SQUARE |
| // 4. HEX. |
| // 5. FAST_HEX \approx FAST_DIAMOND |
| switch (search_method) { |
| case NSTEP: return DIAMOND; |
| case DIAMOND: return BIGDIA; |
| case BIGDIA: return HEX; |
| case SQUARE: return HEX; |
| case HEX: return FAST_HEX; |
| case FAST_HEX: return FAST_HEX; |
| case FAST_DIAMOND: return FAST_DIAMOND; |
| case FAST_BIGDIA: return FAST_BIGDIA; |
| default: assert(0 && "Invalid search method!"); return DIAMOND; |
| } |
| } |
| |
| void av1_make_default_fullpel_ms_params( |
| FULLPEL_MOTION_SEARCH_PARAMS *ms_params, const struct AV1_COMP *cpi, |
| const MACROBLOCK *x, BLOCK_SIZE bsize, const MV *ref_mv, |
| #if CONFIG_FLEX_MVRES |
| const MvSubpelPrecision pb_mv_precision, |
| #if CONFIG_BVCOST_UPDATE |
| const int is_ibc_cost, |
| #endif |
| #endif |
| const search_site_config search_sites[NUM_DISTINCT_SEARCH_METHODS], |
| int fine_search_interval) { |
| const MV_SPEED_FEATURES *mv_sf = &cpi->sf.mv_sf; |
| |
| #if CONFIG_ADAPTIVE_MVD || CONFIG_TIP || CONFIG_FLEX_MVRES |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| #endif // CONFIG_ADAPTIVE_MVD || CONFIG_TIP |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_adaptive_mvd = |
| enable_adaptive_mvd_resolution(&cpi->common, mbmi); |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| // High level params |
| ms_params->bsize = bsize; |
| ms_params->vfp = &cpi->fn_ptr[bsize]; |
| |
| init_ms_buffers(&ms_params->ms_buffers, x); |
| |
| SEARCH_METHODS search_method = mv_sf->search_method; |
| if (mv_sf->use_bsize_dependent_search_method) { |
| const int min_dim = AOMMIN(block_size_wide[bsize], block_size_high[bsize]); |
| if (min_dim >= 32) { |
| search_method = get_faster_search_method(search_method); |
| } |
| } |
| #if CONFIG_FLEX_MVRES |
| // MV search of flex MV precision is supported only for NSTEP or DIAMOND |
| // search |
| if (cpi->common.seq_params.enable_flex_mvres && |
| (search_method != NSTEP && search_method != DIAMOND)) |
| search_method = NSTEP; |
| #endif |
| |
| av1_set_mv_search_method(ms_params, search_sites, search_method); |
| |
| const int use_downsampled_sad = |
| mv_sf->use_downsampled_sad && block_size_high[bsize] >= 16; |
| if (use_downsampled_sad) { |
| ms_params->sdf = ms_params->vfp->sdsf; |
| ms_params->sdx4df = ms_params->vfp->sdsx4df; |
| } else { |
| ms_params->sdf = ms_params->vfp->sdf; |
| ms_params->sdx4df = ms_params->vfp->sdx4df; |
| } |
| |
| ms_params->mesh_patterns[0] = mv_sf->mesh_patterns; |
| ms_params->mesh_patterns[1] = mv_sf->intrabc_mesh_patterns; |
| ms_params->force_mesh_thresh = mv_sf->exhaustive_searches_thresh; |
| ms_params->prune_mesh_search = mv_sf->prune_mesh_search; |
| ms_params->run_mesh_search = 0; |
| ms_params->fine_search_interval = fine_search_interval; |
| |
| ms_params->is_intra_mode = 0; |
| #if CONFIG_FLEX_MVRES |
| ms_params->fast_obmc_search = |
| (pb_mv_precision == mbmi->max_mv_precision) |
| ? mv_sf->obmc_full_pixel_search_level |
| : cpi->sf.flexmv_sf.low_prec_obmc_full_pixel_search_level; |
| #else |
| ms_params->fast_obmc_search = mv_sf->obmc_full_pixel_search_level; |
| #endif |
| |
| ms_params->mv_limits = x->mv_limits; |
| #if CONFIG_TIP |
| if (is_tip_ref_frame(mbmi->ref_frame[0])) { |
| av1_set_tip_mv_search_range(&ms_params->mv_limits); |
| } else { |
| #endif // CONFIG_TIP |
| av1_set_mv_search_range(&ms_params->mv_limits, ref_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| pb_mv_precision |
| #endif |
| ); |
| #if CONFIG_TIP |
| } |
| #endif // CONFIG_TIP |
| // Mvcost params |
| |
| init_mv_cost_params(&ms_params->mv_cost_params, &x->mv_costs, |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| #if CONFIG_FLEX_MVRES |
| ref_mv, pb_mv_precision |
| #if CONFIG_BVCOST_UPDATE |
| , |
| is_ibc_cost |
| #endif |
| |
| ); |
| #else |
| ref_mv); |
| #endif |
| } |
| |
| void av1_make_default_subpel_ms_params(SUBPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const struct AV1_COMP *cpi, |
| const MACROBLOCK *x, BLOCK_SIZE bsize, |
| const MV *ref_mv, |
| #if CONFIG_FLEX_MVRES |
| const MvSubpelPrecision pb_mv_precision, |
| #endif |
| const int *cost_list) { |
| |
| #if CONFIG_ADAPTIVE_MVD || !CONFIG_FLEX_MVRES |
| const AV1_COMMON *cm = &cpi->common; |
| #endif |
| |
| #if !CONFIG_FLEX_MVRES |
| ms_params->allow_hp = cm->features.allow_high_precision_mv; |
| #endif |
| |
| #if CONFIG_BVCOST_UPDATE && CONFIG_FLEX_MVRES |
| const int is_ibc_cost = 0; |
| #endif |
| |
| #if CONFIG_ADAPTIVE_MVD || CONFIG_TIP |
| const MACROBLOCKD *const xd = &x->e_mbd; |
| MB_MODE_INFO *mbmi = xd->mi[0]; |
| #endif // CONFIG_ADAPTIVE_MVD || CONFIG_TIP |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_adaptive_mvd = enable_adaptive_mvd_resolution(cm, mbmi); |
| |
| #if CONFIG_FLEX_MVRES |
| #if !BUGFIX_AMVD_AMVR |
| assert( |
| !(is_adaptive_mvd && (mbmi->pb_mv_precision != mbmi->max_mv_precision))); |
| #endif // BUGFIX_AMVD_AMVR |
| #endif |
| |
| #endif // CONFIG_ADAPTIVE_MVD |
| // High level params |
| #if !CONFIG_FLEX_MVRES |
| ms_params->allow_hp = cm->features.allow_high_precision_mv; |
| #endif |
| ms_params->forced_stop = cpi->sf.mv_sf.subpel_force_stop; |
| ms_params->iters_per_step = cpi->sf.mv_sf.subpel_iters_per_step; |
| ms_params->cost_list = cond_cost_list_const(cpi, cost_list); |
| |
| #if CONFIG_TIP |
| if (is_tip_ref_frame(mbmi->ref_frame[0])) { |
| av1_set_tip_subpel_mv_search_range(&ms_params->mv_limits, &x->mv_limits); |
| } else { |
| #endif // CONFIG_TIP |
| av1_set_subpel_mv_search_range(&ms_params->mv_limits, &x->mv_limits, ref_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| pb_mv_precision |
| #endif |
| ); |
| #if CONFIG_TIP |
| } |
| #endif // CONFIG_TIP |
| |
| // Mvcost params |
| init_mv_cost_params(&ms_params->mv_cost_params, &x->mv_costs, |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif // CONFIG_ADAPTIVE_MVD |
| #if CONFIG_FLEX_MVRES |
| ref_mv, pb_mv_precision |
| |
| #if CONFIG_BVCOST_UPDATE |
| , |
| is_ibc_cost |
| #endif |
| ); |
| #else |
| ref_mv); |
| #endif |
| // Subpel variance params |
| ms_params->var_params.vfp = &cpi->fn_ptr[bsize]; |
| #if CONFIG_FLEX_MVRES |
| ms_params->var_params.subpel_search_type = cpi->sf.mv_sf.subpel_search_type; |
| #else |
| ms_params->var_params.subpel_search_type = |
| cpi->sf.mv_sf.use_accurate_subpel_search; |
| #endif |
| |
| ms_params->var_params.w = block_size_wide[bsize]; |
| ms_params->var_params.h = block_size_high[bsize]; |
| |
| // Ref and src buffers |
| MSBuffers *ms_buffers = &ms_params->var_params.ms_buffers; |
| init_ms_buffers(ms_buffers, x); |
| #if CONFIG_FLEX_MVRES |
| assert(ms_params->var_params.subpel_search_type && |
| "Subpel type 2_TAPS_ORIG is no longer supported!"); |
| #endif |
| } |
| |
| static INLINE int get_offset_from_fullmv(const FULLPEL_MV *mv, int stride) { |
| return mv->row * stride + mv->col; |
| } |
| |
| static INLINE const uint16_t *get_buf_from_fullmv(const struct buf_2d *buf, |
| const FULLPEL_MV *mv) { |
| return &buf->buf[get_offset_from_fullmv(mv, buf->stride)]; |
| } |
| |
| void av1_set_mv_search_range(FullMvLimits *mv_limits, const MV *mv |
| #if CONFIG_FLEX_MVRES |
| , |
| MvSubpelPrecision pb_mv_precision |
| #endif |
| |
| ) { |
| #if CONFIG_FLEX_MVRES |
| // in case of CONFIG_FLEX_MVRES we have to make sure the generated mv_limits |
| // are compatible with target precision. |
| // prec_shift is the number of LSBs need to be 0 to make the mv/mv_limit |
| // compatible |
| const int prec_shift = (pb_mv_precision < MV_PRECISION_ONE_PEL) |
| ? (MV_PRECISION_ONE_PEL - pb_mv_precision) |
| : 0; |
| |
| const int max_full_mv = av1_lower_mv_limit(MAX_FULL_PEL_VAL, prec_shift); |
| |
| // Producing the reference mv value to the target precision |
| FULLPEL_MV full_ref_mv = get_fullmv_from_mv(mv); |
| MV low_prec_mv = { GET_MV_SUBPEL(full_ref_mv.row), |
| GET_MV_SUBPEL(full_ref_mv.col) }; |
| lower_mv_precision(&low_prec_mv, pb_mv_precision); |
| |
| // Calculate the outermost full-pixel MVs which are inside the limits set by |
| // av1_set_subpel_mv_search_range(). |
| // |
| // The subpel limits are simply mv->col +/- 8*MAX_FULL_PEL_VAL, and similar |
| // for mv->row. We can then divide by 8 to find the fullpel MV limits. But |
| // we have to be careful about the rounding. We want these bounds to be |
| // at least as tight as the subpel limits, which means that we must round |
| // the minimum values up and the maximum values down when dividing. |
| int col_min = ((low_prec_mv.col + 7) >> 3) - max_full_mv; |
| int row_min = ((low_prec_mv.row + 7) >> 3) - max_full_mv; |
| int col_max = (low_prec_mv.col >> 3) + max_full_mv; |
| int row_max = (low_prec_mv.row >> 3) + max_full_mv; |
| |
| col_min = AOMMAX(col_min, (MV_LOW >> 3) + (1 << prec_shift)); |
| row_min = AOMMAX(row_min, (MV_LOW >> 3) + (1 << prec_shift)); |
| col_max = AOMMIN(col_max, (MV_UPP >> 3) - (1 << prec_shift)); |
| row_max = AOMMIN(row_max, (MV_UPP >> 3) - (1 << prec_shift)); |
| |
| full_pel_lower_mv_precision_one_comp(&mv_limits->col_min, pb_mv_precision, 0); |
| full_pel_lower_mv_precision_one_comp(&mv_limits->row_min, pb_mv_precision, 0); |
| full_pel_lower_mv_precision_one_comp(&mv_limits->col_max, pb_mv_precision, 1); |
| full_pel_lower_mv_precision_one_comp(&mv_limits->row_max, pb_mv_precision, 1); |
| |
| #else |
| |
| int col_min = ((mv->col + 7) >> 3) - MAX_FULL_PEL_VAL; |
| int row_min = ((mv->row + 7) >> 3) - MAX_FULL_PEL_VAL; |
| int col_max = (mv->col >> 3) + MAX_FULL_PEL_VAL; |
| int row_max = (mv->row >> 3) + MAX_FULL_PEL_VAL; |
| |
| col_min = AOMMAX(col_min, (MV_LOW >> 3) + 1); |
| row_min = AOMMAX(row_min, (MV_LOW >> 3) + 1); |
| col_max = AOMMIN(col_max, (MV_UPP >> 3) - 1); |
| row_max = AOMMIN(row_max, (MV_UPP >> 3) - 1); |
| #endif |
| |
| // Get intersection of UMV window and valid MV window to reduce # of checks |
| // in diamond search. |
| if (mv_limits->col_min < col_min) mv_limits->col_min = col_min; |
| if (mv_limits->col_max > col_max) mv_limits->col_max = col_max; |
| if (mv_limits->row_min < row_min) mv_limits->row_min = row_min; |
| if (mv_limits->row_max > row_max) mv_limits->row_max = row_max; |
| |
| mv_limits->col_max = AOMMAX(mv_limits->col_min, mv_limits->col_max); |
| mv_limits->row_max = AOMMAX(mv_limits->row_min, mv_limits->row_max); |
| } |
| |
| #if CONFIG_TIP |
| void av1_set_tip_mv_search_range(FullMvLimits *mv_limits) { |
| const int tmvp_mv = (TIP_MV_SEARCH_RANGE << TMVP_MI_SZ_LOG2); |
| const int col_min = -tmvp_mv; |
| const int row_min = -tmvp_mv; |
| const int col_max = tmvp_mv; |
| const int row_max = tmvp_mv; |
| |
| // Get intersection of UMV window and valid MV window to reduce # of checks |
| // in diamond search. |
| if (mv_limits->col_min < col_min) mv_limits->col_min = col_min; |
| if (mv_limits->col_max > col_max) mv_limits->col_max = col_max; |
| if (mv_limits->row_min < row_min) mv_limits->row_min = row_min; |
| if (mv_limits->row_max > row_max) mv_limits->row_max = row_max; |
| } |
| #endif // CONFIG_TIP |
| |
| int av1_init_search_range(int size) { |
| int sr = 0; |
| // Minimum search size no matter what the passed in value. |
| size = AOMMAX(16, size); |
| |
| while ((size << sr) < MAX_FULL_PEL_VAL) sr++; |
| |
| sr = AOMMIN(sr, MAX_MVSEARCH_STEPS - 2); |
| return sr; |
| } |
| |
| // ============================================================================ |
| // Cost of motion vectors |
| // ============================================================================ |
| // TODO(any): Adaptively adjust the regularization strength based on image size |
| // and motion activity instead of using hard-coded values. It seems like we |
| // roughly half the lambda for each increase in resolution |
| // These are multiplier used to perform regularization in motion compensation |
| // when x->mv_cost_type is set to MV_COST_L1. |
| // LOWRES |
| #define SSE_LAMBDA_LOWRES 2 // Used by mv_cost_err_fn |
| #define SAD_LAMBDA_LOWRES 32 // Used by mvsad_err_cost during full pixel search |
| // MIDRES |
| #define SSE_LAMBDA_MIDRES 0 // Used by mv_cost_err_fn |
| #define SAD_LAMBDA_MIDRES 15 // Used by mvsad_err_cost during full pixel search |
| // HDRES |
| #define SSE_LAMBDA_HDRES 1 // Used by mv_cost_err_fn |
| #define SAD_LAMBDA_HDRES 8 // Used by mvsad_err_cost during full pixel search |
| |
| // Returns the rate of encoding the current motion vector based on the |
| // joint_cost and comp_cost. joint_costs covers the cost of transmitting |
| // JOINT_MV, and comp_cost covers the cost of transmitting the actual motion |
| // vector. |
| static INLINE int mv_cost(const MV *mv, const int *joint_cost, |
| const int *const comp_cost[2]) { |
| return joint_cost[av1_get_mv_joint(mv)] + comp_cost[0][mv->row] + |
| comp_cost[1][mv->col]; |
| } |
| |
| #define CONVERT_TO_CONST_MVCOST(ptr) ((const int *const *)(ptr)) |
| #if !CONFIG_FLEX_MVRES |
| // Returns the cost of encoding the motion vector diff := *mv - *ref. The cost |
| // is defined as the rate required to encode diff * weight, rounded to the |
| // nearest 2 ** 7. |
| // This is NOT used during motion compensation. |
| int av1_mv_bit_cost(const MV *mv, const MV *ref_mv, const int *mvjcost, |
| int *mvcost[2], int weight) { |
| const MV diff = { mv->row - ref_mv->row, mv->col - ref_mv->col }; |
| return ROUND_POWER_OF_TWO( |
| mv_cost(&diff, mvjcost, CONVERT_TO_CONST_MVCOST(mvcost)) * weight, 7); |
| } |
| #endif |
| #if CONFIG_FLEX_MVRES |
| static INLINE int get_mv_cost_with_precision( |
| const MV mv, const MV ref_mv, const MvSubpelPrecision pb_mv_precision, |
| #if CONFIG_ADAPTIVE_MVD |
| const int is_adaptive_mvd, |
| #endif |
| #if CONFIG_BVCOST_UPDATE |
| const int is_ibc_cost, |
| #endif |
| const MvCosts *mv_costs, int weight, int round_bits) { |
| |
| #if CONFIG_ADAPTIVE_MVD |
| const int *mvjcost = |
| is_adaptive_mvd |
| ? mv_costs->amvd_nmv_joint_cost |
| #if CONFIG_BVCOST_UPDATE |
| : (is_ibc_cost ? mv_costs->dv_joint_cost : mv_costs->nmv_joint_cost); |
| #else |
| : mv_costs->nmv_joint_cost; |
| #endif |
| const int *const *mvcost = |
| is_adaptive_mvd |
| ? CONVERT_TO_CONST_MVCOST(mv_costs->amvd_nmv_cost) |
| #if CONFIG_BVCOST_UPDATE |
| : (is_ibc_cost ? CONVERT_TO_CONST_MVCOST(mv_costs->dv_nmv_cost) |
| : CONVERT_TO_CONST_MVCOST( |
| mv_costs->nmv_costs[pb_mv_precision])); |
| #else |
| : CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision]); |
| #endif |
| |
| #else |
| #if CONFIG_BVCOST_UPDATE |
| const int *mvjcost = |
| (is_ibc_cost ? mv_costs->dv_joint_cost : mv_costs->nmv_joint_cost); |
| const int *const *mvcost = |
| (is_ibc_cost |
| ? CONVERT_TO_CONST_MVCOST(mv_costs->dv_nmv_cost) |
| : CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision])); |
| #else |
| const int *mvjcost = mv_costs->nmv_joint_cost; |
| const int *const *mvcost = |
| CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision]); |
| #endif |
| #endif |
| |
| MV low_prec_ref_mv = ref_mv; |
| #if BUGFIX_AMVD_AMVR |
| if (!is_adaptive_mvd) |
| #endif |
| #if CONFIG_C071_SUBBLK_WARPMV |
| if (pb_mv_precision < MV_PRECISION_HALF_PEL) |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| lower_mv_precision(&low_prec_ref_mv, pb_mv_precision); |
| const MV diff = { mv.row - low_prec_ref_mv.row, |
| mv.col - low_prec_ref_mv.col }; |
| #if CONFIG_C071_SUBBLK_WARPMV |
| assert(is_this_mv_precision_compliant(diff, pb_mv_precision)); |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| |
| if (mvcost) { |
| return (int)ROUND_POWER_OF_TWO_64( |
| (int64_t)mv_cost(&diff, mvjcost, mvcost) * weight, round_bits); |
| } |
| return 0; |
| } |
| |
| static INLINE int get_intrabc_mv_cost_with_precision( |
| const MV diff, const IntraBCMvCosts *dv_costs, int weight, int round_bits) { |
| const int *dvjcost = dv_costs->joint_mv; |
| const int *const *dvcost = CONVERT_TO_CONST_MVCOST(dv_costs->dv_costs); |
| |
| if (dv_costs) { |
| return (int)ROUND_POWER_OF_TWO_64( |
| (int64_t)mv_cost(&diff, dvjcost, dvcost) * weight, round_bits); |
| } |
| return 0; |
| } |
| |
| // Returns the cost of encoding the motion vector diff := *mv - *ref. The cost |
| // is defined as the rate required to encode diff * weight, rounded to the |
| // nearest 2 ** 7. |
| // This is NOT used during motion compensation. |
| int av1_mv_bit_cost(const MV *mv, const MV *ref_mv, |
| const MvSubpelPrecision pb_mv_precision, |
| const MvCosts *mv_costs, int weight |
| #if CONFIG_ADAPTIVE_MVD |
| , |
| const int is_adaptive_mvd |
| #endif |
| ) { |
| #if CONFIG_BVCOST_UPDATE |
| // For ibc block this function should not be called |
| const int is_ibc_cost = 0; |
| #endif |
| |
| return get_mv_cost_with_precision(*mv, *ref_mv, pb_mv_precision, |
| #if CONFIG_ADAPTIVE_MVD |
| is_adaptive_mvd, |
| #endif |
| #if CONFIG_BVCOST_UPDATE |
| is_ibc_cost, |
| #endif |
| mv_costs, weight, 7); |
| } |
| |
| int av1_intrabc_mv_bit_cost(const MV *mv, const MV *ref_mv, |
| const IntraBCMvCosts *mv_costs, int weight) { |
| const MV diff = { mv->row - ref_mv->row, mv->col - ref_mv->col }; |
| return get_intrabc_mv_cost_with_precision(diff, mv_costs, weight, 7); |
| } |
| #endif |
| // Returns the cost of using the current mv during the motion search. This is |
| // used when var is used as the error metric. |
| #define PIXEL_TRANSFORM_ERROR_SCALE 4 |
| #if !CONFIG_FLEX_MVRES |
| static INLINE int mv_err_cost(const MV *mv, const MV *ref_mv, |
| const int *mvjcost, const int *const mvcost[2], |
| int error_per_bit, MV_COST_TYPE mv_cost_type) { |
| const MV diff = { mv->row - ref_mv->row, mv->col - ref_mv->col }; |
| #else |
| static INLINE int mv_err_cost(const MV mv, |
| const MV_COST_PARAMS *mv_cost_params) { |
| const MV ref_mv = *mv_cost_params->ref_mv; |
| const MvSubpelPrecision pb_mv_precision = mv_cost_params->pb_mv_precision; |
| const MV_COST_TYPE mv_cost_type = mv_cost_params->mv_cost_type; |
| const MvCosts *mv_costs = mv_cost_params->mv_costs; |
| MV low_prec_ref_mv = ref_mv; |
| #if BUGFIX_AMVD_AMVR |
| if (!mv_cost_params->is_adaptive_mvd) |
| #endif |
| #if CONFIG_C071_SUBBLK_WARPMV |
| if (pb_mv_precision < MV_PRECISION_HALF_PEL) |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| lower_mv_precision(&low_prec_ref_mv, pb_mv_precision); |
| const MV diff = { mv.row - low_prec_ref_mv.row, |
| mv.col - low_prec_ref_mv.col }; |
| #if CONFIG_C071_SUBBLK_WARPMV |
| assert(is_this_mv_precision_compliant(diff, pb_mv_precision)); |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| |
| #endif |
| |
| const MV abs_diff = { abs(diff.row), abs(diff.col) }; |
| |
| switch (mv_cost_type) { |
| case MV_COST_ENTROPY: |
| #if CONFIG_FLEX_MVRES |
| return get_mv_cost_with_precision( |
| mv, ref_mv, mv_cost_params->pb_mv_precision, |
| #if CONFIG_ADAPTIVE_MVD |
| mv_cost_params->is_adaptive_mvd, |
| #endif |
| #if CONFIG_BVCOST_UPDATE |
| mv_cost_params->is_ibc_cost, |
| #endif |
| mv_costs, mv_costs->errorperbit, |
| RDDIV_BITS + AV1_PROB_COST_SHIFT - RD_EPB_SHIFT + |
| PIXEL_TRANSFORM_ERROR_SCALE); |
| #else |
| if (mvcost) { |
| return (int)ROUND_POWER_OF_TWO_64( |
| (int64_t)mv_cost(&diff, mvjcost, mvcost) * error_per_bit, |
| RDDIV_BITS + AV1_PROB_COST_SHIFT - RD_EPB_SHIFT + |
| PIXEL_TRANSFORM_ERROR_SCALE); |
| } |
| return 0; |
| #endif |
| |
| case MV_COST_L1_LOWRES: |
| return (SSE_LAMBDA_LOWRES * (abs_diff.row + abs_diff.col)) >> 3; |
| case MV_COST_L1_MIDRES: |
| return (SSE_LAMBDA_MIDRES * (abs_diff.row + abs_diff.col)) >> 3; |
| case MV_COST_L1_HDRES: |
| return (SSE_LAMBDA_HDRES * (abs_diff.row + abs_diff.col)) >> 3; |
| case MV_COST_NONE: return 0; |
| default: assert(0 && "Invalid rd_cost_type"); return 0; |
| } |
| } |
| |
| #if !CONFIG_FLEX_MVRES |
| static INLINE int mv_err_cost_(const MV *mv, |
| const MV_COST_PARAMS *mv_cost_params) { |
| return mv_err_cost(mv, mv_cost_params->ref_mv, mv_cost_params->mvjcost, |
| mv_cost_params->mvcost, mv_cost_params->error_per_bit, |
| mv_cost_params->mv_cost_type); |
| } |
| #endif |
| |
| // Returns the cost of using the current mv during the motion search. This is |
| // only used during full pixel motion search when sad is used as the error |
| // metric |
| #if CONFIG_FLEX_MVRES |
| static INLINE int mvsad_err_cost(const FULLPEL_MV mv, |
| const MV_COST_PARAMS *mv_cost_params) { |
| MV this_mv = { GET_MV_SUBPEL(mv.row), GET_MV_SUBPEL(mv.col) }; |
| const MvSubpelPrecision pb_mv_precision = mv_cost_params->pb_mv_precision; |
| |
| MV ref_mv = { GET_MV_SUBPEL(mv_cost_params->full_ref_mv.row), |
| GET_MV_SUBPEL(mv_cost_params->full_ref_mv.col) }; |
| |
| #if BUGFIX_AMVD_AMVR |
| if (!mv_cost_params->is_adaptive_mvd) |
| #endif |
| lower_mv_precision(&ref_mv, pb_mv_precision); |
| |
| const MV diff = { (this_mv.row - ref_mv.row), (this_mv.col - ref_mv.col) }; |
| |
| const MV abs_diff = { abs(diff.row), abs(diff.col) }; |
| |
| const MvCosts *mv_costs = mv_cost_params->mv_costs; |
| |
| #if CONFIG_BVCOST_UPDATE |
| const int *mvjcost = |
| mv_cost_params->is_ibc_cost |
| ? mv_costs->dv_joint_cost |
| #if CONFIG_ADAPTIVE_MVD |
| : (mv_cost_params->is_adaptive_mvd ? mv_costs->amvd_nmv_joint_cost |
| : mv_costs->nmv_joint_cost); |
| #else |
| : mv_costs->nmv_joint_cost; |
| #endif |
| |
| const int *const *mvcost = |
| mv_cost_params->is_ibc_cost |
| ? CONVERT_TO_CONST_MVCOST(mv_costs->dv_nmv_cost) |
| #if CONFIG_ADAPTIVE_MVD |
| : (mv_cost_params->is_adaptive_mvd |
| ? CONVERT_TO_CONST_MVCOST(mv_costs->amvd_nmv_cost) |
| : CONVERT_TO_CONST_MVCOST( |
| mv_costs->nmv_costs[pb_mv_precision])); |
| #else |
| : CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision]); |
| #endif |
| #else |
| #if CONFIG_ADAPTIVE_MVD |
| const int *mvjcost = mv_cost_params->is_adaptive_mvd |
| ? mv_costs->amvd_nmv_joint_cost |
| : mv_costs->nmv_joint_cost; |
| const int *const *mvcost = |
| mv_cost_params->is_adaptive_mvd |
| ? CONVERT_TO_CONST_MVCOST(mv_costs->amvd_nmv_cost) |
| : CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision]); |
| #else |
| const int *mvjcost = mv_costs->nmv_joint_cost; |
| const int *const *mvcost = |
| CONVERT_TO_CONST_MVCOST(mv_costs->nmv_costs[pb_mv_precision]); |
| #endif |
| #endif |
| |
| const int sad_per_bit = mv_costs->sadperbit; |
| |
| const MV_COST_TYPE mv_cost_type = mv_cost_params->mv_cost_type; |
| |
| #else |
| static INLINE int mvsad_err_cost(const FULLPEL_MV *mv, const FULLPEL_MV *ref_mv, |
| const int *mvjcost, const int *const mvcost[2], |
| int sad_per_bit, MV_COST_TYPE mv_cost_type) { |
| const MV diff = { GET_MV_SUBPEL(mv->row - ref_mv->row), |
| GET_MV_SUBPEL(mv->col - ref_mv->col) }; |
| #endif |
| |
| switch (mv_cost_type) { |
| case MV_COST_ENTROPY: |
| #if CONFIG_FLEX_MVRES |
| return ROUND_POWER_OF_TWO((unsigned)mv_cost(&diff, mvjcost, mvcost |
| |
| ) * |
| sad_per_bit, |
| AV1_PROB_COST_SHIFT); |
| #else |
| return ROUND_POWER_OF_TWO( |
| (unsigned)mv_cost(&diff, mvjcost, CONVERT_TO_CONST_MVCOST(mvcost)) * |
| sad_per_bit, |
| AV1_PROB_COST_SHIFT); |
| #endif |
| case MV_COST_L1_LOWRES: |
| |
| #if CONFIG_FLEX_MVRES |
| return (SAD_LAMBDA_LOWRES * (abs_diff.row + abs_diff.col)) >> 3; |
| case MV_COST_L1_MIDRES: |
| return (SAD_LAMBDA_MIDRES * (abs_diff.row + abs_diff.col)) >> 3; |
| case MV_COST_L1_HDRES: |
| return (SAD_LAMBDA_HDRES * (abs_diff.row + abs_diff.col)) >> 3; |
| #else |
| return (SAD_LAMBDA_LOWRES * (abs(diff.row) + abs(diff.col))) >> 3; |
| case MV_COST_L1_MIDRES: |
| return (SAD_LAMBDA_MIDRES * (abs(diff.row) + abs(diff.col))) >> 3; |
| case MV_COST_L1_HDRES: |
| return (SAD_LAMBDA_HDRES * (abs(diff.row) + abs(diff.col))) >> 3; |
| #endif |
| case MV_COST_NONE: return 0; |
| default: assert(0 && "Invalid rd_cost_type"); return 0; |
| } |
| } |
| #if !CONFIG_FLEX_MVRES |
| static INLINE int mvsad_err_cost_(const FULLPEL_MV *mv, |
| const MV_COST_PARAMS *mv_cost_params) { |
| return mvsad_err_cost(mv, &mv_cost_params->full_ref_mv, |
| mv_cost_params->mvjcost, mv_cost_params->mvcost, |
| mv_cost_params->sad_per_bit, |
| mv_cost_params->mv_cost_type); |
| } |
| #endif |
| // ============================================================================= |
| // Fullpixel Motion Search: Translational |
| // ============================================================================= |
| #define MAX_PATTERN_SCALES 11 |
| #define MAX_PATTERN_CANDIDATES 8 // max number of candidates per scale |
| #define PATTERN_CANDIDATES_REF 3 // number of refinement candidates |
| |
| void av1_init_dsmotion_compensation(search_site_config *cfg, int stride) { |
| int num_search_steps = 0; |
| int stage_index = MAX_MVSEARCH_STEPS - 1; |
| |
| cfg->site[stage_index][0].mv.col = cfg->site[stage_index][0].mv.row = 0; |
| cfg->site[stage_index][0].offset = 0; |
| cfg->stride = stride; |
| |
| for (int radius = MAX_FIRST_STEP; radius > 0; radius /= 2) { |
| int num_search_pts = 8; |
| |
| const FULLPEL_MV search_site_mvs[13] = { |
| { 0, 0 }, { -radius, 0 }, { radius, 0 }, |
| { 0, -radius }, { 0, radius }, { -radius, -radius }, |
| { radius, radius }, { -radius, radius }, { radius, -radius }, |
| }; |
| |
| int i; |
| for (i = 0; i <= num_search_pts; ++i) { |
| search_site *const site = &cfg->site[stage_index][i]; |
| site->mv = search_site_mvs[i]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| cfg->searches_per_step[stage_index] = num_search_pts; |
| cfg->radius[stage_index] = radius; |
| --stage_index; |
| ++num_search_steps; |
| } |
| cfg->num_search_steps = num_search_steps; |
| } |
| |
| void av1_init_motion_fpf(search_site_config *cfg, int stride) { |
| int num_search_steps = 0; |
| int stage_index = MAX_MVSEARCH_STEPS - 1; |
| |
| cfg->site[stage_index][0].mv.col = cfg->site[stage_index][0].mv.row = 0; |
| cfg->site[stage_index][0].offset = 0; |
| cfg->stride = stride; |
| |
| for (int radius = MAX_FIRST_STEP; radius > 0; radius /= 2) { |
| // Generate offsets for 8 search sites per step. |
| int tan_radius = AOMMAX((int)(0.41 * radius), 1); |
| int num_search_pts = 12; |
| if (radius == 1) num_search_pts = 8; |
| |
| const FULLPEL_MV search_site_mvs[13] = { |
| { 0, 0 }, |
| { -radius, 0 }, |
| { radius, 0 }, |
| { 0, -radius }, |
| { 0, radius }, |
| { -radius, -tan_radius }, |
| { radius, tan_radius }, |
| { -tan_radius, radius }, |
| { tan_radius, -radius }, |
| { -radius, tan_radius }, |
| { radius, -tan_radius }, |
| { tan_radius, radius }, |
| { -tan_radius, -radius }, |
| }; |
| |
| int i; |
| for (i = 0; i <= num_search_pts; ++i) { |
| search_site *const site = &cfg->site[stage_index][i]; |
| site->mv = search_site_mvs[i]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| cfg->searches_per_step[stage_index] = num_search_pts; |
| cfg->radius[stage_index] = radius; |
| --stage_index; |
| ++num_search_steps; |
| } |
| cfg->num_search_steps = num_search_steps; |
| } |
| |
| // Search site initialization for NSTEP search method. |
| void av1_init_motion_compensation_nstep(search_site_config *cfg, int stride) { |
| int num_search_steps = 0; |
| int stage_index = 0; |
| cfg->stride = stride; |
| int radius = 1; |
| #if CONFIG_MV_SEARCH_RANGE |
| for (stage_index = 0; stage_index < 16; ++stage_index) { |
| #else |
| for (stage_index = 0; stage_index < 15; ++stage_index) { |
| #endif // CONFIG_MV_SEARCH_RANGE |
| int tan_radius = AOMMAX((int)(0.41 * radius), 1); |
| int num_search_pts = 12; |
| if (radius <= 5) { |
| tan_radius = radius; |
| num_search_pts = 8; |
| } |
| const FULLPEL_MV search_site_mvs[13] = { |
| { 0, 0 }, |
| { -radius, 0 }, |
| { radius, 0 }, |
| { 0, -radius }, |
| { 0, radius }, |
| { -radius, -tan_radius }, |
| { radius, tan_radius }, |
| { -tan_radius, radius }, |
| { tan_radius, -radius }, |
| { -radius, tan_radius }, |
| { radius, -tan_radius }, |
| { tan_radius, radius }, |
| { -tan_radius, -radius }, |
| }; |
| |
| for (int i = 0; i <= num_search_pts; ++i) { |
| search_site *const site = &cfg->site[stage_index][i]; |
| site->mv = search_site_mvs[i]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| cfg->searches_per_step[stage_index] = num_search_pts; |
| cfg->radius[stage_index] = radius; |
| ++num_search_steps; |
| #if !CONFIG_MV_SEARCH_RANGE |
| if (stage_index < 12) |
| #endif // CONFIG_MV_SEARCH_RANGE |
| radius = (int)AOMMAX((radius * 1.5 + 0.5), radius + 1); |
| } |
| cfg->num_search_steps = num_search_steps; |
| } |
| |
| // Search site initialization for BIGDIA / FAST_BIGDIA / FAST_DIAMOND |
| // search methods. |
| void av1_init_motion_compensation_bigdia(search_site_config *cfg, int stride) { |
| cfg->stride = stride; |
| // First scale has 4-closest points, the rest have 8 points in diamond |
| // shape at increasing scales |
| static const int bigdia_num_candidates[MAX_PATTERN_SCALES] = { |
| 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
| }; |
| |
| // BIGDIA search method candidates. |
| // Note that the largest candidate step at each scale is 2^scale |
| /* clang-format off */ |
| static const FULLPEL_MV |
| site_candidates[MAX_PATTERN_SCALES][MAX_PATTERN_CANDIDATES] = { |
| { { 0, -1 }, { 1, 0 }, { 0, 1 }, { -1, 0 }, { 0, 0 }, { 0, 0 }, |
| { 0, 0 }, { 0, 0 } }, |
| { { -1, -1 }, { 0, -2 }, { 1, -1 }, { 2, 0 }, { 1, 1 }, { 0, 2 }, |
| { -1, 1 }, { -2, 0 } }, |
| { { -2, -2 }, { 0, -4 }, { 2, -2 }, { 4, 0 }, { 2, 2 }, { 0, 4 }, |
| { -2, 2 }, { -4, 0 } }, |
| { { -4, -4 }, { 0, -8 }, { 4, -4 }, { 8, 0 }, { 4, 4 }, { 0, 8 }, |
| { -4, 4 }, { -8, 0 } }, |
| { { -8, -8 }, { 0, -16 }, { 8, -8 }, { 16, 0 }, { 8, 8 }, { 0, 16 }, |
| { -8, 8 }, { -16, 0 } }, |
| { { -16, -16 }, { 0, -32 }, { 16, -16 }, { 32, 0 }, { 16, 16 }, |
| { 0, 32 }, { -16, 16 }, { -32, 0 } }, |
| { { -32, -32 }, { 0, -64 }, { 32, -32 }, { 64, 0 }, { 32, 32 }, |
| { 0, 64 }, { -32, 32 }, { -64, 0 } }, |
| { { -64, -64 }, { 0, -128 }, { 64, -64 }, { 128, 0 }, { 64, 64 }, |
| { 0, 128 }, { -64, 64 }, { -128, 0 } }, |
| { { -128, -128 }, { 0, -256 }, { 128, -128 }, { 256, 0 }, |
| { 128, 128 }, { 0, 256 }, { -128, 128 }, { -256, 0 } }, |
| { { -256, -256 }, { 0, -512 }, { 256, -256 }, { 512, 0 }, |
| { 256, 256 }, { 0, 512 }, { -256, 256 }, { -512, 0 } }, |
| { { -512, -512 }, { 0, -1024 }, { 512, -512 }, { 1024, 0 }, |
| { 512, 512 }, { 0, 1024 }, { -512, 512 }, { -1024, 0 } }, |
| }; |
| |
| /* clang-format on */ |
| int radius = 1; |
| for (int i = 0; i < MAX_PATTERN_SCALES; ++i) { |
| cfg->searches_per_step[i] = bigdia_num_candidates[i]; |
| cfg->radius[i] = radius; |
| for (int j = 0; j < MAX_PATTERN_CANDIDATES; ++j) { |
| search_site *const site = &cfg->site[i][j]; |
| site->mv = site_candidates[i][j]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| radius *= 2; |
| } |
| cfg->num_search_steps = MAX_PATTERN_SCALES; |
| } |
| |
| // Search site initialization for SQUARE search method. |
| void av1_init_motion_compensation_square(search_site_config *cfg, int stride) { |
| cfg->stride = stride; |
| // All scales have 8 closest points in square shape. |
| static const int square_num_candidates[MAX_PATTERN_SCALES] = { |
| 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
| }; |
| |
| // Square search method candidates. |
| // Note that the largest candidate step at each scale is 2^scale. |
| /* clang-format off */ |
| static const FULLPEL_MV |
| square_candidates[MAX_PATTERN_SCALES][MAX_PATTERN_CANDIDATES] = { |
| { { -1, -1 }, { 0, -1 }, { 1, -1 }, { 1, 0 }, { 1, 1 }, { 0, 1 }, |
| { -1, 1 }, { -1, 0 } }, |
| { { -2, -2 }, { 0, -2 }, { 2, -2 }, { 2, 0 }, { 2, 2 }, { 0, 2 }, |
| { -2, 2 }, { -2, 0 } }, |
| { { -4, -4 }, { 0, -4 }, { 4, -4 }, { 4, 0 }, { 4, 4 }, { 0, 4 }, |
| { -4, 4 }, { -4, 0 } }, |
| { { -8, -8 }, { 0, -8 }, { 8, -8 }, { 8, 0 }, { 8, 8 }, { 0, 8 }, |
| { -8, 8 }, { -8, 0 } }, |
| { { -16, -16 }, { 0, -16 }, { 16, -16 }, { 16, 0 }, { 16, 16 }, |
| { 0, 16 }, { -16, 16 }, { -16, 0 } }, |
| { { -32, -32 }, { 0, -32 }, { 32, -32 }, { 32, 0 }, { 32, 32 }, |
| { 0, 32 }, { -32, 32 }, { -32, 0 } }, |
| { { -64, -64 }, { 0, -64 }, { 64, -64 }, { 64, 0 }, { 64, 64 }, |
| { 0, 64 }, { -64, 64 }, { -64, 0 } }, |
| { { -128, -128 }, { 0, -128 }, { 128, -128 }, { 128, 0 }, |
| { 128, 128 }, { 0, 128 }, { -128, 128 }, { -128, 0 } }, |
| { { -256, -256 }, { 0, -256 }, { 256, -256 }, { 256, 0 }, |
| { 256, 256 }, { 0, 256 }, { -256, 256 }, { -256, 0 } }, |
| { { -512, -512 }, { 0, -512 }, { 512, -512 }, { 512, 0 }, |
| { 512, 512 }, { 0, 512 }, { -512, 512 }, { -512, 0 } }, |
| { { -1024, -1024 }, { 0, -1024 }, { 1024, -1024 }, { 1024, 0 }, |
| { 1024, 1024 }, { 0, 1024 }, { -1024, 1024 }, { -1024, 0 } }, |
| }; |
| |
| /* clang-format on */ |
| int radius = 1; |
| for (int i = 0; i < MAX_PATTERN_SCALES; ++i) { |
| cfg->searches_per_step[i] = square_num_candidates[i]; |
| cfg->radius[i] = radius; |
| for (int j = 0; j < MAX_PATTERN_CANDIDATES; ++j) { |
| search_site *const site = &cfg->site[i][j]; |
| site->mv = square_candidates[i][j]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| radius *= 2; |
| } |
| cfg->num_search_steps = MAX_PATTERN_SCALES; |
| } |
| |
| // Search site initialization for HEX / FAST_HEX search methods. |
| void av1_init_motion_compensation_hex(search_site_config *cfg, int stride) { |
| cfg->stride = stride; |
| // First scale has 8-closest points, the rest have 6 points in hex shape |
| // at increasing scales. |
| static const int hex_num_candidates[MAX_PATTERN_SCALES] = { 8, 6, 6, 6, 6, 6, |
| 6, 6, 6, 6, 6 }; |
| // Note that the largest candidate step at each scale is 2^scale. |
| /* clang-format off */ |
| static const FULLPEL_MV |
| hex_candidates[MAX_PATTERN_SCALES][MAX_PATTERN_CANDIDATES] = { |
| { { -1, -1 }, { 0, -1 }, { 1, -1 }, { 1, 0 }, { 1, 1 }, { 0, 1 }, |
| { -1, 1 }, { -1, 0 } }, |
| { { -1, -2 }, { 1, -2 }, { 2, 0 }, { 1, 2 }, { -1, 2 }, { -2, 0 } }, |
| { { -2, -4 }, { 2, -4 }, { 4, 0 }, { 2, 4 }, { -2, 4 }, { -4, 0 } }, |
| { { -4, -8 }, { 4, -8 }, { 8, 0 }, { 4, 8 }, { -4, 8 }, { -8, 0 } }, |
| { { -8, -16 }, { 8, -16 }, { 16, 0 }, { 8, 16 }, |
| { -8, 16 }, { -16, 0 } }, |
| { { -16, -32 }, { 16, -32 }, { 32, 0 }, { 16, 32 }, { -16, 32 }, |
| { -32, 0 } }, |
| { { -32, -64 }, { 32, -64 }, { 64, 0 }, { 32, 64 }, { -32, 64 }, |
| { -64, 0 } }, |
| { { -64, -128 }, { 64, -128 }, { 128, 0 }, { 64, 128 }, |
| { -64, 128 }, { -128, 0 } }, |
| { { -128, -256 }, { 128, -256 }, { 256, 0 }, { 128, 256 }, |
| { -128, 256 }, { -256, 0 } }, |
| { { -256, -512 }, { 256, -512 }, { 512, 0 }, { 256, 512 }, |
| { -256, 512 }, { -512, 0 } }, |
| { { -512, -1024 }, { 512, -1024 }, { 1024, 0 }, { 512, 1024 }, |
| { -512, 1024 }, { -1024, 0 } }, |
| }; |
| |
| /* clang-format on */ |
| int radius = 1; |
| for (int i = 0; i < MAX_PATTERN_SCALES; ++i) { |
| cfg->searches_per_step[i] = hex_num_candidates[i]; |
| cfg->radius[i] = radius; |
| for (int j = 0; j < hex_num_candidates[i]; ++j) { |
| search_site *const site = &cfg->site[i][j]; |
| site->mv = hex_candidates[i][j]; |
| site->offset = get_offset_from_fullmv(&site->mv, stride); |
| } |
| radius *= 2; |
| } |
| cfg->num_search_steps = MAX_PATTERN_SCALES; |
| } |
| |
| // Checks whether the mv is within range of the mv_limits |
| static INLINE int check_bounds(const FullMvLimits *mv_limits, int row, int col, |
| int range) { |
| return ((row - range) >= mv_limits->row_min) & |
| ((row + range) <= mv_limits->row_max) & |
| ((col - range) >= mv_limits->col_min) & |
| ((col + range) <= mv_limits->col_max); |
| } |
| |
| #if CONFIG_BVP_IMPROVEMENT |
| int av1_get_mv_err_cost(const MV *mv, const MV_COST_PARAMS *mv_cost_params) { |
| #if CONFIG_FLEX_MVRES |
| return mv_err_cost(*mv, mv_cost_params); |
| #else |
| |
| return mv_err_cost(mv, mv_cost_params->ref_mv, mv_cost_params->mvjcost, |
| mv_cost_params->mvcost, mv_cost_params->error_per_bit, |
| mv_cost_params->mv_cost_type); |
| #endif |
| } |
| #endif // CONFIG_BVP_IMPROVEMENT |
| |
| static INLINE int get_mvpred_var_cost( |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, const FULLPEL_MV *this_mv) { |
| const aom_variance_fn_ptr_t *vfp = ms_params->vfp; |
| #if !CONFIG_C071_SUBBLK_WARPMV |
| const |
| #endif // !CONFIG_C071_SUBBLK_WARPMV |
| MV sub_this_mv = get_mv_from_fullmv(this_mv); |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| const int ref_stride = ref->stride; |
| |
| unsigned unused; |
| int bestsme; |
| |
| bestsme = vfp->vf(src_buf, src_stride, get_buf_from_fullmv(ref, this_mv), |
| ref_stride, &unused); |
| #if CONFIG_FLEX_MVRES |
| #if CONFIG_C071_SUBBLK_WARPMV |
| MV sub_mv_offset = { 0, 0 }; |
| get_phase_from_mv(*ms_params->mv_cost_params.ref_mv, &sub_mv_offset, |
| ms_params->mv_cost_params.pb_mv_precision); |
| if (ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_HALF_PEL) { |
| sub_this_mv.col += sub_mv_offset.col; |
| sub_this_mv.row += sub_mv_offset.row; |
| } |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| bestsme += mv_err_cost(sub_this_mv, &ms_params->mv_cost_params); |
| #else |
| bestsme += mv_err_cost_(&sub_this_mv, &ms_params->mv_cost_params); |
| #endif |
| return bestsme; |
| } |
| |
| static INLINE int get_mvpred_sad(const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const struct buf_2d *const src, |
| const uint16_t *const ref_address, |
| const int ref_stride) { |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| |
| return ms_params->sdf(src_buf, src_stride, ref_address, ref_stride); |
| } |
| |
| static INLINE int get_mvpred_compound_var_cost( |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, const FULLPEL_MV *this_mv) { |
| const aom_variance_fn_ptr_t *vfp = ms_params->vfp; |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| const int ref_stride = ref->stride; |
| |
| const uint8_t *mask = ms_params->ms_buffers.mask; |
| const uint16_t *second_pred = ms_params->ms_buffers.second_pred; |
| const int mask_stride = ms_params->ms_buffers.mask_stride; |
| const int invert_mask = ms_params->ms_buffers.inv_mask; |
| unsigned unused; |
| int bestsme; |
| |
| if (mask) { |
| bestsme = vfp->msvf(get_buf_from_fullmv(ref, this_mv), ref_stride, 0, 0, |
| src_buf, src_stride, second_pred, mask, mask_stride, |
| invert_mask, &unused); |
| } else if (second_pred) { |
| bestsme = vfp->svaf(get_buf_from_fullmv(ref, this_mv), ref_stride, 0, 0, |
| src_buf, src_stride, &unused, second_pred); |
| } else { |
| bestsme = vfp->vf(src_buf, src_stride, get_buf_from_fullmv(ref, this_mv), |
| ref_stride, &unused); |
| } |
| |
| #if !CONFIG_C071_SUBBLK_WARPMV |
| const |
| #endif // !CONFIG_C071_SUBBLK_WARPMV |
| MV sub_this_mv = get_mv_from_fullmv(this_mv); |
| #if CONFIG_FLEX_MVRES |
| #if CONFIG_C071_SUBBLK_WARPMV |
| MV sub_mv_offset = { 0, 0 }; |
| get_phase_from_mv(*ms_params->mv_cost_params.ref_mv, &sub_mv_offset, |
| ms_params->mv_cost_params.pb_mv_precision); |
| if (ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_HALF_PEL) { |
| sub_this_mv.col += sub_mv_offset.col; |
| sub_this_mv.row += sub_mv_offset.row; |
| } |
| #endif // CONFIG_C071_SUBBLK_WARPMV |
| bestsme += mv_err_cost(sub_this_mv, &ms_params->mv_cost_params); |
| #else |
| bestsme += mv_err_cost_(&sub_this_mv, &ms_params->mv_cost_params); |
| #endif |
| |
| return bestsme; |
| } |
| |
| static INLINE int get_mvpred_compound_sad( |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const struct buf_2d *const src, const uint16_t *const ref_address, |
| const int ref_stride) { |
| const aom_variance_fn_ptr_t *vfp = ms_params->vfp; |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| |
| const uint8_t *mask = ms_params->ms_buffers.mask; |
| const uint16_t *second_pred = ms_params->ms_buffers.second_pred; |
| const int mask_stride = ms_params->ms_buffers.mask_stride; |
| const int invert_mask = ms_params->ms_buffers.inv_mask; |
| |
| if (mask) { |
| return vfp->msdf(src_buf, src_stride, ref_address, ref_stride, second_pred, |
| mask, mask_stride, invert_mask); |
| } else if (second_pred) { |
| return vfp->sdaf(src_buf, src_stride, ref_address, ref_stride, second_pred); |
| } else { |
| return ms_params->sdf(src_buf, src_stride, ref_address, ref_stride); |
| } |
| } |
| |
| // Calculates and returns a sad+mvcost list around an integer best pel during |
| // fullpixel motion search. The resulting list can be used to speed up subpel |
| // motion search later. |
| #define USE_SAD_COSTLIST 1 |
| |
| // calc_int_cost_list uses var to populate the costlist, which is more accurate |
| // than sad but slightly slower. |
| static AOM_FORCE_INLINE void calc_int_cost_list( |
| const FULLPEL_MV best_mv, const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| int *cost_list) { |
| static const FULLPEL_MV neighbors[4] = { |
| { 0, -1 }, { 1, 0 }, { 0, 1 }, { -1, 0 } |
| }; |
| const int br = best_mv.row; |
| const int bc = best_mv.col; |
| |
| #if CONFIG_FLEX_MVRES |
| // costlist is not supported for the 2/4 MV precision |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| |
| cost_list[0] = get_mvpred_var_cost(ms_params, &best_mv); |
| |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1)) { |
| for (int i = 0; i < 4; i++) { |
| const FULLPEL_MV neighbor_mv = { br + neighbors[i].row, |
| bc + neighbors[i].col }; |
| cost_list[i + 1] = get_mvpred_var_cost(ms_params, &neighbor_mv); |
| } |
| } else { |
| for (int i = 0; i < 4; i++) { |
| const FULLPEL_MV neighbor_mv = { br + neighbors[i].row, |
| bc + neighbors[i].col }; |
| if (!av1_is_fullmv_in_range(&ms_params->mv_limits, neighbor_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) { |
| cost_list[i + 1] = INT_MAX; |
| } else { |
| cost_list[i + 1] = get_mvpred_var_cost(ms_params, &neighbor_mv); |
| } |
| } |
| } |
| } |
| |
| // calc_int_sad_list uses sad to populate the costlist, which is less accurate |
| // than var but faster. |
| static AOM_FORCE_INLINE void calc_int_sad_list( |
| const FULLPEL_MV best_mv, const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| int *cost_list, int costlist_has_sad) { |
| static const FULLPEL_MV neighbors[4] = { |
| { 0, -1 }, { 1, 0 }, { 0, 1 }, { -1, 0 } |
| }; |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const int ref_stride = ref->stride; |
| const int br = best_mv.row; |
| const int bc = best_mv.col; |
| #if CONFIG_FLEX_MVRES |
| assert(av1_is_fullmv_in_range(&ms_params->mv_limits, best_mv, |
| ms_params->mv_cost_params.pb_mv_precision)); |
| #else |
| assert(av1_is_fullmv_in_range(&ms_params->mv_limits, best_mv)); |
| #endif |
| |
| #if CONFIG_FLEX_MVRES |
| // costlist is not supported for the 2/4 MV precision |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| |
| // Refresh the costlist it does not contain valid sad |
| if (!costlist_has_sad) { |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(best_mv.row), |
| (int16_t)GET_MV_SUBPEL(best_mv.col) }; |
| int flag = av1_is_dv_valid(sub_mv, ms_params->cm, ms_params->xd, |
| ms_params->mi_row, ms_params->mi_col, |
| ms_params->bsize, ms_params->mib_size_log2); |
| if (flag) { |
| cost_list[0] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &best_mv), ref_stride); |
| } else { |
| cost_list[0] = INT_MAX; |
| } |
| } else { |
| cost_list[0] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &best_mv), ref_stride); |
| } |
| #else |
| cost_list[0] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &best_mv), ref_stride); |
| #endif // CONFIG_IBC_SR_EXT |
| |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1)) { |
| for (int i = 0; i < 4; i++) { |
| const FULLPEL_MV this_mv = { br + neighbors[i].row, |
| bc + neighbors[i].col }; |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(this_mv.row), |
| (int16_t)GET_MV_SUBPEL(this_mv.col) }; |
| int flag = av1_is_dv_valid( |
| sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, ms_params->mib_size_log2); |
| if (flag) { |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| } else { |
| cost_list[i + 1] = INT_MAX; |
| } |
| } else { |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| } |
| #else |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| #endif // CONFIG_IBC_SR_EXT |
| } |
| } else { |
| for (int i = 0; i < 4; i++) { |
| const FULLPEL_MV this_mv = { br + neighbors[i].row, |
| bc + neighbors[i].col }; |
| if (!av1_is_fullmv_in_range(&ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) { |
| cost_list[i + 1] = INT_MAX; |
| } else { |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(this_mv.row), |
| (int16_t)GET_MV_SUBPEL(this_mv.col) }; |
| int flag = av1_is_dv_valid( |
| sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, ms_params->mib_size_log2); |
| if (flag) { |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), |
| ref_stride); |
| } else { |
| cost_list[i + 1] = INT_MAX; |
| } |
| } else { |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| } |
| #else |
| cost_list[i + 1] = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| #endif // CONFIG_IBC_SR_EXT |
| } |
| } |
| } |
| } |
| |
| const MV_COST_PARAMS *mv_cost_params = &ms_params->mv_cost_params; |
| #if CONFIG_FLEX_MVRES |
| cost_list[0] += mvsad_err_cost(best_mv, mv_cost_params); |
| #else |
| cost_list[0] += mvsad_err_cost_(&best_mv, mv_cost_params); |
| #endif |
| |
| for (int idx = 0; idx < 4; idx++) { |
| if (cost_list[idx + 1] != INT_MAX) { |
| const FULLPEL_MV this_mv = { br + neighbors[idx].row, |
| bc + neighbors[idx].col }; |
| #if CONFIG_FLEX_MVRES |
| cost_list[idx + 1] += mvsad_err_cost(this_mv, mv_cost_params); |
| #else |
| cost_list[idx + 1] += mvsad_err_cost_(&this_mv, mv_cost_params); |
| #endif |
| } |
| } |
| } |
| |
| // Computes motion vector cost and adds to the sad cost. |
| // Then updates the best sad and motion vectors. |
| // Inputs: |
| // this_sad: the sad to be evaluated. |
| // mv: the current motion vector. |
| // mv_cost_params: a structure containing information to compute mv cost. |
| // best_sad: the current best sad. |
| // raw_best_sad (optional): the current best sad without calculating mv cost. |
| // best_mv: the current best motion vector. |
| // second_best_mv (optional): the second best motion vector up to now. |
| // Modifies: |
| // best_sad, raw_best_sad, best_mv, second_best_mv |
| // If the current sad is lower than the current best sad. |
| // Returns: |
| // Whether the input sad (mv) is better than the current best. |
| static int update_mvs_and_sad(const unsigned int this_sad, const FULLPEL_MV *mv, |
| const MV_COST_PARAMS *mv_cost_params, |
| unsigned int *best_sad, |
| unsigned int *raw_best_sad, FULLPEL_MV *best_mv, |
| FULLPEL_MV *second_best_mv) { |
| if (this_sad >= *best_sad) return 0; |
| |
| // Add the motion vector cost. |
| #if CONFIG_FLEX_MVRES |
| const unsigned int sad = this_sad + mvsad_err_cost(*mv, mv_cost_params); |
| #else |
| const unsigned int sad = this_sad + mvsad_err_cost_(mv, mv_cost_params); |
| #endif |
| if (sad < *best_sad) { |
| if (raw_best_sad) *raw_best_sad = this_sad; |
| *best_sad = sad; |
| if (second_best_mv) *second_best_mv = *best_mv; |
| *best_mv = *mv; |
| return 1; |
| } |
| return 0; |
| } |
| |
| // Calculate sad4 and update the bestmv information |
| // in FAST_DIAMOND search method. |
| static void calc_sad4_update_bestmv( |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const MV_COST_PARAMS *mv_cost_params, FULLPEL_MV *best_mv, |
| FULLPEL_MV *temp_best_mv, unsigned int *bestsad, unsigned int *raw_bestsad, |
| int search_step, int *best_site, int cand_start) { |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const search_site *site = ms_params->search_sites->site[search_step]; |
| |
| uint16_t const *block_offset[4]; |
| unsigned int sads[4]; |
| const uint16_t *best_address; |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| best_address = get_buf_from_fullmv(ref, temp_best_mv); |
| // Loop over number of candidates. |
| for (int j = 0; j < 4; j++) |
| block_offset[j] = site[cand_start + j].offset + best_address; |
| |
| // 4-point sad calculation. |
| ms_params->sdx4df(src_buf, src_stride, block_offset, ref->stride, sads); |
| |
| #if CONFIG_FLEX_MVRES |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| |
| for (int j = 0; j < 4; j++) { |
| const FULLPEL_MV this_mv = { |
| temp_best_mv->row + site[cand_start + j].mv.row, |
| temp_best_mv->col + site[cand_start + j].mv.col |
| }; |
| const int found_better_mv = update_mvs_and_sad( |
| sads[j], &this_mv, mv_cost_params, bestsad, raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) *best_site = cand_start + j; |
| } |
| } |
| |
| // Calculate sad and update the bestmv information |
| // in FAST_DIAMOND search method. |
| static void calc_sad_update_bestmv( |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const MV_COST_PARAMS *mv_cost_params, FULLPEL_MV *best_mv, |
| FULLPEL_MV *temp_best_mv, unsigned int *bestsad, unsigned int *raw_bestsad, |
| int search_step, int *best_site, const int num_candidates, int cand_start) { |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const search_site *site = ms_params->search_sites->site[search_step]; |
| |
| #if CONFIG_FLEX_MVRES |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| // Loop over number of candidates. |
| for (int i = cand_start; i < num_candidates; i++) { |
| const FULLPEL_MV this_mv = { temp_best_mv->row + site[i].mv.row, |
| temp_best_mv->col + site[i].mv.col }; |
| if (!av1_is_fullmv_in_range(&ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) |
| continue; |
| int thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref->stride); |
| const int found_better_mv = update_mvs_and_sad( |
| thissad, &this_mv, mv_cost_params, bestsad, raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) *best_site = i; |
| } |
| } |
| |
| // Generic pattern search function that searches over multiple scales. |
| // Each scale can have a different number of candidates and shape of |
| // candidates as indicated in the num_candidates and candidates arrays |
| // passed into this function |
| static int pattern_search(FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| static const int search_steps[MAX_MVSEARCH_STEPS] = { |
| 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, |
| }; |
| int i, s, t; |
| |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const search_site_config *search_sites = ms_params->search_sites; |
| const int *num_candidates = search_sites->searches_per_step; |
| const int ref_stride = ref->stride; |
| const int last_is_4 = num_candidates[0] == 4; |
| int br, bc; |
| unsigned int bestsad = UINT_MAX, raw_bestsad = UINT_MAX; |
| int thissad; |
| int k = -1; |
| const MV_COST_PARAMS *mv_cost_params = &ms_params->mv_cost_params; |
| search_step = AOMMIN(search_step, MAX_MVSEARCH_STEPS - 1); |
| assert(search_step >= 0); |
| |
| #if CONFIG_FLEX_MVRES |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| |
| int best_init_s = search_steps[search_step]; |
| // adjust ref_mv to make sure it is within MV range |
| clamp_fullmv(&start_mv, &ms_params->mv_limits); |
| br = start_mv.row; |
| bc = start_mv.col; |
| if (cost_list != NULL) { |
| cost_list[0] = cost_list[1] = cost_list[2] = cost_list[3] = cost_list[4] = |
| INT_MAX; |
| } |
| int costlist_has_sad = 0; |
| |
| // Work out the start point for the search |
| raw_bestsad = get_mvpred_sad(ms_params, src, |
| get_buf_from_fullmv(ref, &start_mv), ref_stride); |
| #if CONFIG_FLEX_MVRES |
| bestsad = raw_bestsad + mvsad_err_cost(start_mv, mv_cost_params); |
| #else |
| bestsad = raw_bestsad + mvsad_err_cost_(&start_mv, mv_cost_params); |
| #endif |
| // Search all possible scales up to the search param around the center point |
| // pick the scale of the point that is best as the starting scale of |
| // further steps around it. |
| if (do_init_search) { |
| s = best_init_s; |
| best_init_s = -1; |
| for (t = 0; t <= s; ++t) { |
| int best_site = -1; |
| FULLPEL_MV temp_best_mv; |
| temp_best_mv.row = br; |
| temp_best_mv.col = bc; |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1 << t)) { |
| // Call 4-point sad for multiples of 4 candidates. |
| const int no_of_4_cand_loops = num_candidates[t] >> 2; |
| for (i = 0; i < no_of_4_cand_loops; i++) { |
| calc_sad4_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, t, |
| &best_site, i * 4); |
| } |
| // Rest of the candidates |
| const int remaining_cand = num_candidates[t] % 4; |
| calc_sad_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, t, |
| &best_site, remaining_cand, |
| no_of_4_cand_loops * 4); |
| } else { |
| calc_sad_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, t, |
| &best_site, num_candidates[t], 0); |
| } |
| if (best_site == -1) { |
| continue; |
| } else { |
| best_init_s = t; |
| k = best_site; |
| } |
| } |
| if (best_init_s != -1) { |
| br += search_sites->site[best_init_s][k].mv.row; |
| bc += search_sites->site[best_init_s][k].mv.col; |
| } |
| } |
| |
| // If the center point is still the best, just skip this and move to |
| // the refinement step. |
| if (best_init_s != -1) { |
| const int last_s = (last_is_4 && cost_list != NULL); |
| int best_site = -1; |
| s = best_init_s; |
| |
| for (; s >= last_s; s--) { |
| // No need to search all points the 1st time if initial search was used |
| if (!do_init_search || s != best_init_s) { |
| FULLPEL_MV temp_best_mv; |
| temp_best_mv.row = br; |
| temp_best_mv.col = bc; |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1 << s)) { |
| // Call 4-point sad for multiples of 4 candidates. |
| const int no_of_4_cand_loops = num_candidates[s] >> 2; |
| for (i = 0; i < no_of_4_cand_loops; i++) { |
| calc_sad4_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, s, |
| &best_site, i * 4); |
| } |
| // Rest of the candidates |
| const int remaining_cand = num_candidates[s] % 4; |
| calc_sad_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, s, |
| &best_site, remaining_cand, |
| no_of_4_cand_loops * 4); |
| } else { |
| calc_sad_update_bestmv(ms_params, mv_cost_params, best_mv, |
| &temp_best_mv, &bestsad, &raw_bestsad, s, |
| &best_site, num_candidates[s], 0); |
| } |
| |
| if (best_site == -1) { |
| continue; |
| } else { |
| br += search_sites->site[s][best_site].mv.row; |
| bc += search_sites->site[s][best_site].mv.col; |
| k = best_site; |
| } |
| } |
| |
| do { |
| int next_chkpts_indices[PATTERN_CANDIDATES_REF]; |
| best_site = -1; |
| next_chkpts_indices[0] = (k == 0) ? num_candidates[s] - 1 : k - 1; |
| next_chkpts_indices[1] = k; |
| next_chkpts_indices[2] = (k == num_candidates[s] - 1) ? 0 : k + 1; |
| |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1 << s)) { |
| for (i = 0; i < PATTERN_CANDIDATES_REF; i++) { |
| const FULLPEL_MV this_mv = { |
| br + search_sites->site[s][next_chkpts_indices[i]].mv.row, |
| bc + search_sites->site[s][next_chkpts_indices[i]].mv.col |
| }; |
| thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } else { |
| for (i = 0; i < PATTERN_CANDIDATES_REF; i++) { |
| const FULLPEL_MV this_mv = { |
| br + search_sites->site[s][next_chkpts_indices[i]].mv.row, |
| bc + search_sites->site[s][next_chkpts_indices[i]].mv.col |
| }; |
| if (!av1_is_fullmv_in_range( |
| &ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) |
| continue; |
| thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } |
| |
| if (best_site != -1) { |
| k = next_chkpts_indices[best_site]; |
| br += search_sites->site[s][k].mv.row; |
| bc += search_sites->site[s][k].mv.col; |
| } |
| } while (best_site != -1); |
| } |
| |
| // Note: If we enter the if below, then cost_list must be non-NULL. |
| if (s == 0) { |
| cost_list[0] = raw_bestsad; |
| costlist_has_sad = 1; |
| if (!do_init_search || s != best_init_s) { |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1 << s)) { |
| for (i = 0; i < num_candidates[s]; i++) { |
| const FULLPEL_MV this_mv = { br + search_sites->site[s][i].mv.row, |
| bc + search_sites->site[s][i].mv.col }; |
| cost_list[i + 1] = thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } else { |
| for (i = 0; i < num_candidates[s]; i++) { |
| const FULLPEL_MV this_mv = { br + search_sites->site[s][i].mv.row, |
| bc + search_sites->site[s][i].mv.col }; |
| if (!av1_is_fullmv_in_range( |
| &ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) |
| continue; |
| cost_list[i + 1] = thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } |
| |
| if (best_site != -1) { |
| br += search_sites->site[s][best_site].mv.row; |
| bc += search_sites->site[s][best_site].mv.col; |
| k = best_site; |
| } |
| } |
| while (best_site != -1) { |
| int next_chkpts_indices[PATTERN_CANDIDATES_REF]; |
| best_site = -1; |
| next_chkpts_indices[0] = (k == 0) ? num_candidates[s] - 1 : k - 1; |
| next_chkpts_indices[1] = k; |
| next_chkpts_indices[2] = (k == num_candidates[s] - 1) ? 0 : k + 1; |
| cost_list[1] = cost_list[2] = cost_list[3] = cost_list[4] = INT_MAX; |
| cost_list[((k + 2) % 4) + 1] = cost_list[0]; |
| cost_list[0] = raw_bestsad; |
| |
| if (check_bounds(&ms_params->mv_limits, br, bc, 1 << s)) { |
| for (i = 0; i < PATTERN_CANDIDATES_REF; i++) { |
| const FULLPEL_MV this_mv = { |
| br + search_sites->site[s][next_chkpts_indices[i]].mv.row, |
| bc + search_sites->site[s][next_chkpts_indices[i]].mv.col |
| }; |
| cost_list[next_chkpts_indices[i] + 1] = thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } else { |
| for (i = 0; i < PATTERN_CANDIDATES_REF; i++) { |
| const FULLPEL_MV this_mv = { |
| br + search_sites->site[s][next_chkpts_indices[i]].mv.row, |
| bc + search_sites->site[s][next_chkpts_indices[i]].mv.col |
| }; |
| if (!av1_is_fullmv_in_range( |
| &ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) { |
| cost_list[next_chkpts_indices[i] + 1] = INT_MAX; |
| continue; |
| } |
| cost_list[next_chkpts_indices[i] + 1] = thissad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &this_mv), ref_stride); |
| const int found_better_mv = |
| update_mvs_and_sad(thissad, &this_mv, mv_cost_params, &bestsad, |
| &raw_bestsad, best_mv, |
| /*second_best_mv=*/NULL); |
| if (found_better_mv) best_site = i; |
| } |
| } |
| |
| if (best_site != -1) { |
| k = next_chkpts_indices[best_site]; |
| br += search_sites->site[s][k].mv.row; |
| bc += search_sites->site[s][k].mv.col; |
| } |
| } |
| } |
| } |
| |
| best_mv->row = br; |
| best_mv->col = bc; |
| |
| // Returns the one-away integer pel cost/sad around the best as follows: |
| // cost_list[0]: cost/sad at the best integer pel |
| // cost_list[1]: cost/sad at delta {0, -1} (left) from the best integer pel |
| // cost_list[2]: cost/sad at delta { 1, 0} (bottom) from the best integer pel |
| // cost_list[3]: cost/sad at delta { 0, 1} (right) from the best integer pel |
| // cost_list[4]: cost/sad at delta {-1, 0} (top) from the best integer pel |
| if (cost_list) { |
| if (USE_SAD_COSTLIST) { |
| calc_int_sad_list(*best_mv, ms_params, cost_list, costlist_has_sad); |
| } else { |
| calc_int_cost_list(*best_mv, ms_params, cost_list); |
| } |
| } |
| best_mv->row = br; |
| best_mv->col = bc; |
| |
| const int var_cost = get_mvpred_var_cost(ms_params, best_mv); |
| return var_cost; |
| } |
| |
| // For the following foo_search, the input arguments are: |
| // start_mv: where we are starting our motion search |
| // ms_params: a collection of motion search parameters |
| // search_step: how many steps to skip in our motion search. For example, |
| // a value 3 suggests that 3 search steps have already taken place prior to |
| // this function call, so we jump directly to step 4 of the search process |
| // do_init_search: if on, do an initial search of all possible scales around the |
| // start_mv, and then pick the best scale. |
| // cond_list: used to hold the cost around the best full mv so we can use it to |
| // speed up subpel search later. |
| // best_mv: the best mv found in the motion search |
| static int hex_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return pattern_search(start_mv, ms_params, search_step, do_init_search, |
| cost_list, best_mv); |
| } |
| |
| static int bigdia_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return pattern_search(start_mv, ms_params, search_step, do_init_search, |
| cost_list, best_mv); |
| } |
| |
| static int square_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return pattern_search(start_mv, ms_params, search_step, do_init_search, |
| cost_list, best_mv); |
| } |
| |
| static int fast_hex_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return hex_search(start_mv, ms_params, |
| AOMMAX(MAX_MVSEARCH_STEPS - 2, search_step), do_init_search, |
| cost_list, best_mv); |
| } |
| |
| static int fast_dia_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return bigdia_search(start_mv, ms_params, |
| AOMMAX(MAX_MVSEARCH_STEPS - 2, search_step), |
| do_init_search, cost_list, best_mv); |
| } |
| |
| static int fast_bigdia_search(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, const int do_init_search, |
| int *cost_list, FULLPEL_MV *best_mv) { |
| return bigdia_search(start_mv, ms_params, |
| AOMMAX(MAX_MVSEARCH_STEPS - 3, search_step), |
| do_init_search, cost_list, best_mv); |
| } |
| |
| static int diamond_search_sad(FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int search_step, int *num00, |
| FULLPEL_MV *best_mv, FULLPEL_MV *second_best_mv) { |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| |
| const int ref_stride = ref->stride; |
| const uint16_t *best_address; |
| |
| const uint8_t *mask = ms_params->ms_buffers.mask; |
| const uint16_t *second_pred = ms_params->ms_buffers.second_pred; |
| const MV_COST_PARAMS *mv_cost_params = &ms_params->mv_cost_params; |
| |
| const search_site_config *cfg = ms_params->search_sites; |
| #if CONFIG_FLEX_MVRES |
| const int prec_shift = |
| (ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL) |
| ? 0 |
| : (MV_PRECISION_ONE_PEL - ms_params->mv_cost_params.pb_mv_precision); |
| const int prec_multiplier = (1 << prec_shift); |
| |
| assert(is_this_mv_precision_compliant( |
| get_mv_from_fullmv(&start_mv), |
| ms_params->mv_cost_params.pb_mv_precision)); |
| |
| #endif |
| |
| unsigned int bestsad = INT_MAX; |
| int best_site = 0; |
| int is_off_center = 0; |
| |
| clamp_fullmv(&start_mv, &ms_params->mv_limits); |
| |
| // search_step determines the length of the initial step and hence the number |
| // of iterations. |
| const int tot_steps = cfg->num_search_steps - search_step; |
| |
| *num00 = 0; |
| *best_mv = start_mv; |
| |
| // Check the starting position |
| |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(start_mv.row), |
| (int16_t)GET_MV_SUBPEL(start_mv.col) }; |
| if (av1_is_dv_valid(sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, |
| ms_params->mib_size_log2)) { |
| best_address = get_buf_from_fullmv(ref, &start_mv); |
| bestsad = |
| get_mvpred_compound_sad(ms_params, src, best_address, ref_stride); |
| #if CONFIG_FLEX_MVRES |
| bestsad += mvsad_err_cost(*best_mv, &ms_params->mv_cost_params); |
| #else |
| bestsad += mvsad_err_cost_(best_mv, &ms_params->mv_cost_params); |
| #endif |
| } else { |
| best_address = get_buf_from_fullmv(ref, &start_mv); |
| bestsad = INT_MAX; |
| } |
| } else { |
| best_address = get_buf_from_fullmv(ref, &start_mv); |
| bestsad = get_mvpred_compound_sad(ms_params, src, best_address, ref_stride); |
| #if CONFIG_FLEX_MVRES |
| bestsad += mvsad_err_cost(*best_mv, &ms_params->mv_cost_params); |
| #else |
| bestsad += mvsad_err_cost_(best_mv, &ms_params->mv_cost_params); |
| #endif |
| } |
| #else |
| best_address = get_buf_from_fullmv(ref, &start_mv); |
| bestsad = get_mvpred_compound_sad(ms_params, src, best_address, ref_stride); |
| #if CONFIG_FLEX_MVRES |
| bestsad += mvsad_err_cost(*best_mv, &ms_params->mv_cost_params); |
| #else |
| bestsad += mvsad_err_cost_(best_mv, &ms_params->mv_cost_params); |
| #endif |
| #endif // CONFIG_IBC_SR_EXT |
| |
| int next_step_size = tot_steps > 2 ? cfg->radius[tot_steps - 2] : 1; |
| for (int step = tot_steps - 1; step >= 0; --step) { |
| const search_site *site = cfg->site[step]; |
| best_site = 0; |
| if (step > 0) next_step_size = cfg->radius[step - 1]; |
| |
| int all_in = 1, j; |
| // Trap illegal vectors |
| #if !CONFIG_FLEX_MVRES |
| all_in &= best_mv->row + site[1].mv.row >= ms_params->mv_limits.row_min; |
| all_in &= best_mv->row + site[2].mv.row <= ms_params->mv_limits.row_max; |
| all_in &= best_mv->col + site[3].mv.col >= ms_params->mv_limits.col_min; |
| all_in &= best_mv->col + site[4].mv.col <= ms_params->mv_limits.col_max; |
| #else |
| all_in &= best_mv->row + (site[1].mv.row * prec_multiplier) >= |
| ms_params->mv_limits.row_min; |
| all_in &= best_mv->row + (site[2].mv.row * prec_multiplier) <= |
| ms_params->mv_limits.row_max; |
| all_in &= best_mv->col + (site[3].mv.col * prec_multiplier) >= |
| ms_params->mv_limits.col_min; |
| all_in &= best_mv->col + (site[4].mv.col * prec_multiplier) <= |
| ms_params->mv_limits.col_max; |
| #endif |
| |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| for (j = 0; j < 4; j++) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(best_mv->row + site[1 + j].mv.row), |
| (int16_t)GET_MV_SUBPEL(best_mv->col + |
| site[1 + j].mv.col) }; |
| all_in &= av1_is_dv_valid(sub_mv, ms_params->cm, ms_params->xd, |
| ms_params->mi_row, ms_params->mi_col, |
| ms_params->bsize, ms_params->mib_size_log2); |
| } |
| } |
| #endif // CONFIG_IBC_SR_EXT |
| // TODO(anyone): Implement 4 points search for msdf&sdaf |
| if (all_in && !mask && !second_pred) { |
| const uint16_t *src_buf = src->buf; |
| const int src_stride = src->stride; |
| for (int idx = 1; idx <= cfg->searches_per_step[step]; idx += 4) { |
| uint16_t const *block_offset[4]; |
| unsigned int sads[4]; |
| |
| #if CONFIG_IBC_SR_EXT |
| int valid = 1; |
| for (j = 0; j < 4; j++) { |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { |
| (int16_t)GET_MV_SUBPEL(best_mv->row + site[idx + j].mv.row), |
| (int16_t)GET_MV_SUBPEL(best_mv->col + site[idx + j].mv.col) |
| }; |
| valid &= av1_is_dv_valid( |
| sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, ms_params->mib_size_log2); |
| } |
| } |
| if (!valid) continue; |
| #endif // CONFIG_IBC_SR_EXT |
| |
| #if CONFIG_FLEX_MVRES |
| for (j = 0; j < 4; j++) { |
| int row = (site[idx + j].mv.row * prec_multiplier); |
| int col = (site[idx + j].mv.col * prec_multiplier); |
| block_offset[j] = (row * ref_stride + col) + best_address; |
| } |
| #else |
| for (j = 0; j < 4; j++) |
| block_offset[j] = site[idx + j].offset + best_address; |
| #endif |
| |
| ms_params->sdx4df(src_buf, src_stride, block_offset, ref_stride, sads); |
| for (j = 0; j < 4; j++) { |
| if (sads[j] < bestsad) { |
| #if CONFIG_FLEX_MVRES |
| const FULLPEL_MV this_mv = { |
| best_mv->row + (site[idx + j].mv.row * prec_multiplier), |
| best_mv->col + (site[idx + j].mv.col * prec_multiplier) |
| }; |
| #else |
| const FULLPEL_MV this_mv = { best_mv->row + site[idx + j].mv.row, |
| best_mv->col + site[idx + j].mv.col }; |
| #endif |
| |
| #if CONFIG_FLEX_MVRES |
| unsigned int thissad = |
| sads[j] + mvsad_err_cost(this_mv, mv_cost_params); |
| #else |
| unsigned int thissad = |
| sads[j] + mvsad_err_cost_(&this_mv, mv_cost_params); |
| #endif |
| if (thissad < bestsad) { |
| bestsad = thissad; |
| best_site = idx + j; |
| } |
| } |
| } |
| } |
| } else { |
| for (int idx = 1; idx <= cfg->searches_per_step[step]; idx++) { |
| #if CONFIG_FLEX_MVRES |
| const FULLPEL_MV this_mv = { |
| best_mv->row + (site[idx].mv.row * prec_multiplier), |
| best_mv->col + (site[idx].mv.col * prec_multiplier) |
| }; |
| #else |
| const FULLPEL_MV this_mv = { best_mv->row + site[idx].mv.row, |
| best_mv->col + site[idx].mv.col }; |
| #endif |
| |
| if (av1_is_fullmv_in_range(&ms_params->mv_limits, this_mv |
| #if CONFIG_FLEX_MVRES |
| , |
| ms_params->mv_cost_params.pb_mv_precision |
| #endif |
| )) { |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && |
| ms_params->cm->features.allow_local_intrabc) { |
| MV sub_mv = { (int16_t)GET_MV_SUBPEL(this_mv.row), |
| (int16_t)GET_MV_SUBPEL(this_mv.col) }; |
| int valid = av1_is_dv_valid( |
| sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, ms_params->mib_size_log2); |
| if (!valid) continue; |
| } |
| #endif // CONFIG_IBC_SR_EXT |
| |
| #if CONFIG_FLEX_MVRES |
| int r = (site[idx].mv.row * prec_multiplier); |
| int c = (site[idx].mv.col * prec_multiplier); |
| const uint16_t *const check_here = |
| (r * ref_stride + c) + best_address; |
| #else |
| const uint16_t *const check_here = site[idx].offset + best_address; |
| #endif |
| unsigned int thissad; |
| |
| thissad = |
| get_mvpred_compound_sad(ms_params, src, check_here, ref_stride); |
| |
| #if CONFIG_FLEX_MVRES |
| assert(is_this_mv_precision_compliant( |
| get_mv_from_fullmv(&this_mv), |
| ms_params->mv_cost_params.pb_mv_precision)); |
| #endif |
| |
| if (thissad < bestsad) { |
| #if CONFIG_FLEX_MVRES |
| thissad += mvsad_err_cost(this_mv, mv_cost_params); |
| #else |
| thissad += mvsad_err_cost_(&this_mv, mv_cost_params); |
| #endif |
| if (thissad < bestsad) { |
| bestsad = thissad; |
| best_site = idx; |
| } |
| } |
| } |
| } |
| } |
| |
| if (best_site != 0) { |
| if (second_best_mv) { |
| *second_best_mv = *best_mv; |
| } |
| #if CONFIG_FLEX_MVRES |
| best_mv->row += (site[best_site].mv.row * prec_multiplier); |
| best_mv->col += (site[best_site].mv.col * prec_multiplier); |
| best_address += (site[best_site].mv.row * prec_multiplier) * ref_stride + |
| (site[best_site].mv.col * prec_multiplier); |
| #else |
| best_mv->row += site[best_site].mv.row; |
| best_mv->col += site[best_site].mv.col; |
| best_address += site[best_site].offset; |
| #endif |
| is_off_center = 1; |
| } |
| |
| if (is_off_center == 0) (*num00)++; |
| |
| if (best_site == 0) { |
| while (next_step_size == cfg->radius[step] && step > 2) { |
| ++(*num00); |
| --step; |
| next_step_size = cfg->radius[step - 1]; |
| } |
| } |
| } |
| |
| return bestsad; |
| } |
| |
| /* do_refine: If last step (1-away) of n-step search doesn't pick the center |
| point as the best match, we will do a final 1-away diamond |
| refining search */ |
| static int full_pixel_diamond(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int step_param, int *cost_list, |
| FULLPEL_MV *best_mv, FULLPEL_MV *second_best_mv) { |
| const search_site_config *cfg = ms_params->search_sites; |
| int thissme, n, num00 = 0; |
| int bestsme = diamond_search_sad(start_mv, ms_params, step_param, &n, best_mv, |
| second_best_mv); |
| |
| if (bestsme < INT_MAX) { |
| bestsme = get_mvpred_compound_var_cost(ms_params, best_mv); |
| } |
| |
| // If there won't be more n-step search, check to see if refining search is |
| // needed. |
| const int further_steps = cfg->num_search_steps - 1 - step_param; |
| while (n < further_steps) { |
| ++n; |
| |
| if (num00) { |
| num00--; |
| } else { |
| // TODO(chiyotsai@google.com): There is another bug here where the second |
| // best mv gets incorrectly overwritten. Fix it later. |
| FULLPEL_MV tmp_best_mv; |
| thissme = diamond_search_sad(start_mv, ms_params, step_param + n, &num00, |
| &tmp_best_mv, second_best_mv); |
| |
| if (thissme < INT_MAX) { |
| thissme = get_mvpred_compound_var_cost(ms_params, &tmp_best_mv); |
| } |
| |
| if (thissme < bestsme) { |
| bestsme = thissme; |
| *best_mv = tmp_best_mv; |
| } |
| } |
| } |
| |
| // Return cost list. |
| if (cost_list) { |
| if (USE_SAD_COSTLIST) { |
| const int costlist_has_sad = 0; |
| calc_int_sad_list(*best_mv, ms_params, cost_list, costlist_has_sad); |
| } else { |
| calc_int_cost_list(*best_mv, ms_params, cost_list); |
| } |
| } |
| return bestsme; |
| } |
| |
| // Exhaustive motion search around a given centre position with a given |
| // step size. |
| static int exhaustive_mesh_search(FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const int range, const int step, |
| FULLPEL_MV *best_mv, |
| FULLPEL_MV *second_best_mv) { |
| const MV_COST_PARAMS *mv_cost_params = &ms_params->mv_cost_params; |
| const struct buf_2d *const src = ms_params->ms_buffers.src; |
| const struct buf_2d *const ref = ms_params->ms_buffers.ref; |
| const int ref_stride = ref->stride; |
| unsigned int best_sad = INT_MAX; |
| int r, c, i; |
| int start_col, end_col, start_row, end_row; |
| const int col_step = (step > 1) ? step : 4; |
| |
| assert(step >= 1); |
| |
| clamp_fullmv(&start_mv, &ms_params->mv_limits); |
| *best_mv = start_mv; |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && ms_params->cm->features.allow_local_intrabc) { |
| const MV sub_mv = { (int16_t)GET_MV_SUBPEL(start_mv.row), |
| (int16_t)GET_MV_SUBPEL(start_mv.col) }; |
| if (av1_is_dv_valid(sub_mv, ms_params->cm, ms_params->xd, ms_params->mi_row, |
| ms_params->mi_col, ms_params->bsize, |
| ms_params->mib_size_log2)) { |
| best_sad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &start_mv), ref_stride); |
| #if CONFIG_FLEX_MVRES |
| best_sad += mvsad_err_cost(start_mv, mv_cost_params); |
| #else |
| best_sad += mvsad_err_cost_(&start_mv, mv_cost_params); |
| #endif |
| } else { |
| best_sad = INT_MAX; |
| } |
| } else { |
| best_sad = get_mvpred_sad(ms_params, src, |
| get_buf_from_fullmv(ref, &start_mv), ref_stride); |
| #if CONFIG_FLEX_MVRES |
| best_sad += mvsad_err_cost(start_mv, mv_cost_params); |
| #else |
| best_sad += mvsad_err_cost_(&start_mv, mv_cost_params); |
| #endif |
| } |
| #else |
| best_sad = get_mvpred_sad(ms_params, src, get_buf_from_fullmv(ref, &start_mv), |
| ref_stride); |
| #if CONFIG_FLEX_MVRES |
| best_sad += mvsad_err_cost(start_mv, mv_cost_params); |
| #else |
| best_sad += mvsad_err_cost_(&start_mv, mv_cost_params); |
| #endif |
| #endif // CONFIG_IBC_SR_EXT |
| |
| start_row = AOMMAX(-range, ms_params->mv_limits.row_min - start_mv.row); |
| start_col = AOMMAX(-range, ms_params->mv_limits.col_min - start_mv.col); |
| end_row = AOMMIN(range, ms_params->mv_limits.row_max - start_mv.row); |
| end_col = AOMMIN(range, ms_params->mv_limits.col_max - start_mv.col); |
| |
| #if CONFIG_IBC_SR_EXT |
| if (ms_params->is_intra_mode && ms_params->cm->features.allow_local_intrabc) { |
| int part_size = 65; |
| int part_start_row; |
| int part_start_col; |
| int part_end_row; |
| int part_end_col; |
| FULLPEL_MV best_valid_mv = start_mv; |
| unsigned int best_valid_sad = best_sad; |
| for (part_start_row = start_row; part_start_row <= end_row; |
| part_start_row += part_size) { |
| part_end_row = AOMMIN(part_start_row + part_size - 1, end_row); |
| for (part_start_col = start_col; part_start_col <= end_col; |
| part_start_col += part_size) { |
| part_end_col = AOMMIN(part_start_col + part_size - 1, end_col); |
| for (r = part_start_row; r <= part_end_row; r += step) { |
| for (c = part_start_col; c <= part_end_col; c += col_step) { |
| // Step > 1 means we are not checking every location in this pass. |
| if (step > 1) { |
| const FULLPEL_MV mv = { start_mv.row + r, start_mv.col + c }; |
| unsigned int sad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &mv), ref_stride); |
| update_mvs_and_sad(sad, &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, |
| second_best_mv); |
| } else { |
| // 4 sads in a single call if we are checking every location |
| if (c + 3 <= part_end_col) { |
| unsigned int sads[4]; |
| const uint16_t *addrs[4]; |
| for (i = 0; i < 4; ++i) { |
| const FULLPEL_MV mv = { start_mv.row + r, |
| start_mv.col + c + i }; |
| addrs[i] = get_buf_from_fullmv(ref, &mv); |
| } |
| |
| ms_params->sdx4df(src->buf, src->stride, addrs, ref_stride, |
| sads); |
| |
| for (i = 0; i < 4; ++i) { |
| if (sads[i] < best_sad) { |
| const FULLPEL_MV mv = { start_mv.row + r, |
| start_mv.col + c + i }; |
| update_mvs_and_sad(sads[i], &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, |
| second_best_mv); |
| } |
| } |
| } else { |
| for (i = 0; i < part_end_col - c; ++i) { |
| const FULLPEL_MV mv = { start_mv.row + r, |
| start_mv.col + c + i }; |
| unsigned int sad = |
| get_mvpred_sad(ms_params, src, |
| get_buf_from_fullmv(ref, &mv), ref_stride); |
| update_mvs_and_sad(sad, &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, |
| second_best_mv); |
| } |
| } |
| } |
| } |
| } |
| |
| // stores the best valid mv |
| if (best_valid_mv.row != best_mv->row || |
| best_valid_mv.col != best_mv->col) { |
| const MV sub_mv = { (int16_t)GET_MV_SUBPEL(best_mv->row), |
| (int16_t)GET_MV_SUBPEL(best_mv->col) }; |
| if (av1_is_dv_valid(sub_mv, ms_params->cm, ms_params->xd, |
| ms_params->mi_row, ms_params->mi_col, |
| ms_params->bsize, ms_params->mib_size_log2)) { |
| best_valid_mv = *best_mv; |
| best_valid_sad = best_sad; |
| } |
| } |
| *best_mv = best_valid_mv; |
| best_sad = best_valid_sad; |
| } |
| } |
| return best_sad; |
| } |
| #endif // CONFIG_IBC_SR_EXT |
| |
| for (r = start_row; r <= end_row; r += step) { |
| for (c = start_col; c <= end_col; c += col_step) { |
| // Step > 1 means we are not checking every location in this pass. |
| if (step > 1) { |
| const FULLPEL_MV mv = { start_mv.row + r, start_mv.col + c }; |
| unsigned int sad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &mv), ref_stride); |
| update_mvs_and_sad(sad, &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, second_best_mv); |
| } else { |
| // 4 sads in a single call if we are checking every location |
| if (c + 3 <= end_col) { |
| unsigned int sads[4]; |
| const uint16_t *addrs[4]; |
| for (i = 0; i < 4; ++i) { |
| const FULLPEL_MV mv = { start_mv.row + r, start_mv.col + c + i }; |
| addrs[i] = get_buf_from_fullmv(ref, &mv); |
| } |
| |
| ms_params->sdx4df(src->buf, src->stride, addrs, ref_stride, sads); |
| |
| for (i = 0; i < 4; ++i) { |
| if (sads[i] < best_sad) { |
| const FULLPEL_MV mv = { start_mv.row + r, start_mv.col + c + i }; |
| update_mvs_and_sad(sads[i], &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, |
| second_best_mv); |
| } |
| } |
| } else { |
| for (i = 0; i < end_col - c; ++i) { |
| const FULLPEL_MV mv = { start_mv.row + r, start_mv.col + c + i }; |
| unsigned int sad = get_mvpred_sad( |
| ms_params, src, get_buf_from_fullmv(ref, &mv), ref_stride); |
| update_mvs_and_sad(sad, &mv, mv_cost_params, &best_sad, |
| /*raw_best_sad=*/NULL, best_mv, second_best_mv); |
| } |
| } |
| } |
| } |
| } |
| |
| return best_sad; |
| } |
| |
| // Runs an limited range exhaustive mesh search using a pattern set |
| // according to the encode speed profile. |
| static int full_pixel_exhaustive(const FULLPEL_MV start_mv, |
| const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const struct MESH_PATTERN *const mesh_patterns, |
| int *cost_list, FULLPEL_MV *best_mv, |
| FULLPEL_MV *second_best_mv) { |
| const int kMinRange = 7; |
| const int kMaxRange = 256; |
| const int kMinInterval = 1; |
| |
| int bestsme; |
| int i; |
| int interval = mesh_patterns[0].interval; |
| int range = mesh_patterns[0].range; |
| int baseline_interval_divisor; |
| |
| *best_mv = start_mv; |
| |
| // Trap illegal values for interval and range for this function. |
| if ((range < kMinRange) || (range > kMaxRange) || (interval < kMinInterval) || |
| (interval > range)) |
| return INT_MAX; |
| |
| baseline_interval_divisor = range / interval; |
| |
| // Check size of proposed first range against magnitude of the centre |
| // value used as a starting point. |
| range = AOMMAX(range, (5 * AOMMAX(abs(best_mv->row), abs(best_mv->col))) / 4); |
| range = AOMMIN(range, kMaxRange); |
| interval = AOMMAX(interval, range / baseline_interval_divisor); |
| // Use a small search step/interval for certain kind of clips. |
| // For example, screen content clips with a lot of texts. |
| // Large interval could lead to a false matching position, and it can't find |
| // the best global candidate in following iterations due to reduced search |
| // range. The solution here is to use a small search iterval in the beginning |
| // and thus reduces the chance of missing the best candidate. |
| if (ms_params->fine_search_interval) { |
| interval = AOMMIN(interval, 4); |
| } |
| |
| // initial search |
| bestsme = exhaustive_mesh_search(*best_mv, ms_params, range, interval, |
| best_mv, second_best_mv); |
| |
| if ((interval > kMinInterval) && (range > kMinRange)) { |
| // Progressive searches with range and step size decreasing each time |
| // till we reach a step size of 1. Then break out. |
| for (i = 1; i < MAX_MESH_STEP; ++i) { |
| // First pass with coarser step and longer range |
| bestsme = exhaustive_mesh_search( |
| *best_mv, ms_params, mesh_patterns[i].range, |
| mesh_patterns[i].interval, best_mv, second_best_mv); |
| |
| if (mesh_patterns[i].interval == 1) break; |
| } |
| } |
| |
| if (bestsme < INT_MAX) { |
| bestsme = get_mvpred_var_cost(ms_params, best_mv); |
| } |
| |
| // Return cost list. |
| if (cost_list) { |
| if (USE_SAD_COSTLIST) { |
| const int costlist_has_sad = 0; |
| calc_int_sad_list(*best_mv, ms_params, cost_list, costlist_has_sad); |
| } else { |
| calc_int_cost_list(*best_mv, ms_params, cost_list); |
| } |
| } |
| return bestsme; |
| } |
| |
| // This function is called when we do joint motion search in comp_inter_inter |
| // mode, or when searching for one component of an ext-inter compound mode. |
| int av1_refining_search_8p_c(const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, |
| const FULLPEL_MV start_mv, FULLPEL_MV *best_mv) { |
| static const search_neighbors neighbors[8] = { |
| { { -1, 0 }, -1 * SEARCH_GRID_STRIDE_8P + 0 }, |
| { { 0, -1 }, 0 * SEARCH_GRID_STRIDE_8P - 1 }, |
| { { 0, 1 }, 0 * SEARCH_GRID_STRIDE_8P + 1 }, |
| { { 1, 0 }, 1 * SEARCH_GRID_STRIDE_8P + 0 }, |
| { { -1, -1 }, -1 * SEARCH_GRID_STRIDE_8P - 1 }, |
| { { 1, -1 }, 1 * SEARCH_GRID_STRIDE_8P - 1 }, |
| { { -1, 1 }, -1 * SEARCH_GRID_STRIDE_8P + 1 }, |
| { { 1, 1 }, 1 * SEARCH_GRID_STRIDE_8P + 1 } |
| }; |
| |
| uint8_t do_refine_search_grid[SEARCH_GRID_STRIDE_8P * |
| SEARCH_GRID_STRIDE_8P] = { 0 }; |
| int grid_center = SEARCH_GRID_CENTER_8P; |
| int grid_coord = grid_center; |
| |
| #if CONFIG_FLEX_MVRES |
| assert(ms_params->mv_cost_params.pb_mv_precision >= MV_PRECISION_ONE_PEL); |
| #endif |
| |
| const MV_COST_PARAMS *mv_cost_params = &ms_params->mv_cost_params; |
| const FullMvLimits *mv_limits = &ms_params->mv_limits; |
| const MSBuffers *ms_buffers = &ms_params->ms_buffers; |
| const struct buf_2d *src = ms_buffers->src; |
| const struct buf_2d *ref = ms_buffers->ref; |
| const int ref_stride = ref->stride; |
| |
| *best_mv = start_mv; |
| clamp_fullmv(best_mv, mv_limits); |
| |
| unsigned int best_sad = get_mvpred_compound_sad( |
| ms_params, src, get_buf_from_fullmv(ref, best_mv), ref_stride); |
| #if CONFIG_FLEX_MVRES |
| best_sad += mvsad_err_cost(*best_mv, mv_cost_params); |
| #else |
| best_sad += mvsad_err_cost_(best_mv, mv_cost_params); |
| #endif |
| |
| do_refine_search_grid[grid_coord] = 1; |
| |
| for (int i = 0; i < SEARCH_RANGE_8P; ++i) { |
| int best_site = -1; |
| |
| for (int j = 0; j < 8; ++j) { |
| |