|  | /* | 
|  | * Copyright (c) 2022, 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. | 
|  | */ | 
|  |  | 
|  | #ifndef IS_DEC | 
|  | #error "IS_DEC must be defined for reconinter_template.inc." | 
|  | #endif | 
|  |  | 
|  | #if IS_DEC | 
|  | static AOM_INLINE void build_one_inter_predictor( | 
|  | uint8_t *dst, int dst_stride, const MV *src_mv, | 
|  | InterPredParams *inter_pred_params, MACROBLOCKD *xd, int mi_x, int mi_y, | 
|  | int ref, uint8_t **mc_buf) { | 
|  | #else | 
|  | static AOM_INLINE void build_one_inter_predictor( | 
|  | uint8_t *dst, int dst_stride, const MV *src_mv, | 
|  | InterPredParams *inter_pred_params) { | 
|  | #endif  // IS_DEC | 
|  | SubpelParams subpel_params; | 
|  | uint8_t *src; | 
|  | int src_stride; | 
|  | #if IS_DEC | 
|  | dec_calc_subpel_params_and_extend(src_mv, inter_pred_params, xd, mi_x, mi_y, | 
|  | ref, mc_buf, &src, &subpel_params, | 
|  | &src_stride); | 
|  | #else | 
|  | enc_calc_subpel_params(src_mv, inter_pred_params, &src, &subpel_params, | 
|  | &src_stride); | 
|  | #endif  // IS_DEC | 
|  | if (inter_pred_params->comp_mode == UNIFORM_SINGLE || | 
|  | inter_pred_params->comp_mode == UNIFORM_COMP) { | 
|  | av1_make_inter_predictor(src, src_stride, dst, dst_stride, | 
|  | inter_pred_params, &subpel_params); | 
|  | } else { | 
|  | av1_make_masked_inter_predictor(src, src_stride, dst, dst_stride, | 
|  | inter_pred_params, &subpel_params); | 
|  | } | 
|  | } | 
|  |  | 
|  | // True if the following hold: | 
|  | //  1. Not intrabc and not build_for_obmc | 
|  | //  2. At least one dimension is size 4 with subsampling | 
|  | //  3. If sub-sampled, none of the previous blocks around the sub-sample | 
|  | //     are intrabc or inter-blocks | 
|  | static bool is_sub8x8_inter(const MACROBLOCKD *xd, int plane, BLOCK_SIZE bsize, | 
|  | int is_intrabc, int build_for_obmc) { | 
|  | if (is_intrabc || build_for_obmc) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | const struct macroblockd_plane *const pd = &xd->plane[plane]; | 
|  | const int ss_x = pd->subsampling_x; | 
|  | const int ss_y = pd->subsampling_y; | 
|  | const int is_sub4_x = (block_size_wide[bsize] == 4) && ss_x; | 
|  | const int is_sub4_y = (block_size_high[bsize] == 4) && ss_y; | 
|  | if (!is_sub4_x && !is_sub4_y) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // For sub8x8 chroma blocks, we may be covering more than one luma block's | 
|  | // worth of pixels. Thus (mi_x, mi_y) may not be the correct coordinates for | 
|  | // the top-left corner of the prediction source - the correct top-left corner | 
|  | // is at (pre_x, pre_y). | 
|  | const int row_start = is_sub4_y ? -1 : 0; | 
|  | const int col_start = is_sub4_x ? -1 : 0; | 
|  |  | 
|  | for (int row = row_start; row <= 0; ++row) { | 
|  | for (int col = col_start; col <= 0; ++col) { | 
|  | const MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col]; | 
|  | if (!is_inter_block(this_mbmi)) return false; | 
|  | if (is_intrabc_block(this_mbmi)) return false; | 
|  | } | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | #if IS_DEC | 
|  | static AOM_INLINE void build_inter_predictors_sub8x8(const AV1_COMMON *cm, | 
|  | MACROBLOCKD *xd, int plane, | 
|  | const MB_MODE_INFO *mi, | 
|  | int mi_x, int mi_y, | 
|  | uint8_t **mc_buf) { | 
|  | #else | 
|  | static AOM_INLINE void build_inter_predictors_sub8x8(const AV1_COMMON *cm, | 
|  | MACROBLOCKD *xd, int plane, | 
|  | const MB_MODE_INFO *mi, | 
|  | int mi_x, int mi_y) { | 
|  | #endif  // IS_DEC | 
|  | const BLOCK_SIZE bsize = mi->bsize; | 
|  | struct macroblockd_plane *const pd = &xd->plane[plane]; | 
|  | const bool ss_x = pd->subsampling_x; | 
|  | const bool ss_y = pd->subsampling_y; | 
|  | const int b4_w = block_size_wide[bsize] >> ss_x; | 
|  | const int b4_h = block_size_high[bsize] >> ss_y; | 
|  | const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, ss_x, ss_y); | 
|  | const int b8_w = block_size_wide[plane_bsize]; | 
|  | const int b8_h = block_size_high[plane_bsize]; | 
|  | const int is_compound = has_second_ref(mi); | 
|  | assert(!is_compound); | 
|  | assert(!is_intrabc_block(mi)); | 
|  |  | 
|  | // For sub8x8 chroma blocks, we may be covering more than one luma block's | 
|  | // worth of pixels. Thus (mi_x, mi_y) may not be the correct coordinates for | 
|  | // the top-left corner of the prediction source - the correct top-left corner | 
|  | // is at (pre_x, pre_y). | 
|  | const int row_start = (block_size_high[bsize] == 4) && ss_y ? -1 : 0; | 
|  | const int col_start = (block_size_wide[bsize] == 4) && ss_x ? -1 : 0; | 
|  | const int pre_x = (mi_x + MI_SIZE * col_start) >> ss_x; | 
|  | const int pre_y = (mi_y + MI_SIZE * row_start) >> ss_y; | 
|  |  | 
|  | int row = row_start; | 
|  | for (int y = 0; y < b8_h; y += b4_h) { | 
|  | int col = col_start; | 
|  | for (int x = 0; x < b8_w; x += b4_w) { | 
|  | MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col]; | 
|  | struct buf_2d *const dst_buf = &pd->dst; | 
|  | uint8_t *dst = dst_buf->buf + dst_buf->stride * y + x; | 
|  | int ref = 0; | 
|  | const RefCntBuffer *ref_buf = | 
|  | get_ref_frame_buf(cm, this_mbmi->ref_frame[ref]); | 
|  | const struct scale_factors *ref_scale_factors = | 
|  | get_ref_scale_factors_const(cm, this_mbmi->ref_frame[ref]); | 
|  | const struct scale_factors *const sf = ref_scale_factors; | 
|  | const struct buf_2d pre_buf = { | 
|  | NULL, | 
|  | (plane == 1) ? ref_buf->buf.u_buffer : ref_buf->buf.v_buffer, | 
|  | ref_buf->buf.uv_crop_width, | 
|  | ref_buf->buf.uv_crop_height, | 
|  | ref_buf->buf.uv_stride, | 
|  | }; | 
|  |  | 
|  | const MV mv = this_mbmi->mv[ref].as_mv; | 
|  |  | 
|  | InterPredParams inter_pred_params; | 
|  | av1_init_inter_params(&inter_pred_params, b4_w, b4_h, pre_y + y, | 
|  | pre_x + x, pd->subsampling_x, pd->subsampling_y, | 
|  | xd->bd, is_cur_buf_hbd(xd), mi->use_intrabc, sf, | 
|  | &pre_buf, this_mbmi->interp_filters); | 
|  | inter_pred_params.conv_params = | 
|  | get_conv_params_no_round(ref, plane, NULL, 0, is_compound, xd->bd); | 
|  |  | 
|  | #if IS_DEC | 
|  | build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params, | 
|  | xd, mi_x + x, mi_y + y, ref, mc_buf); | 
|  | #else | 
|  | build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params); | 
|  | #endif  // IS_DEC | 
|  |  | 
|  | ++col; | 
|  | } | 
|  | ++row; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if IS_DEC | 
|  | static AOM_INLINE void build_inter_predictors_8x8_and_bigger( | 
|  | const AV1_COMMON *cm, MACROBLOCKD *xd, int plane, const MB_MODE_INFO *mi, | 
|  | int build_for_obmc, int bw, int bh, int mi_x, int mi_y, uint8_t **mc_buf) { | 
|  | #else | 
|  | static AOM_INLINE void build_inter_predictors_8x8_and_bigger( | 
|  | const AV1_COMMON *cm, MACROBLOCKD *xd, int plane, const MB_MODE_INFO *mi, | 
|  | int build_for_obmc, int bw, int bh, int mi_x, int mi_y) { | 
|  | #endif  // IS_DEC | 
|  | const int is_compound = has_second_ref(mi); | 
|  | const int is_intrabc = is_intrabc_block(mi); | 
|  | assert(IMPLIES(is_intrabc, !is_compound)); | 
|  | struct macroblockd_plane *const pd = &xd->plane[plane]; | 
|  | struct buf_2d *const dst_buf = &pd->dst; | 
|  | uint8_t *const dst = dst_buf->buf; | 
|  |  | 
|  | int is_global[2] = { 0, 0 }; | 
|  | for (int ref = 0; ref < 1 + is_compound; ++ref) { | 
|  | const WarpedMotionParams *const wm = &xd->global_motion[mi->ref_frame[ref]]; | 
|  | is_global[ref] = is_global_mv_block(mi, wm->wmtype); | 
|  | } | 
|  |  | 
|  | const BLOCK_SIZE bsize = mi->bsize; | 
|  | const int ss_x = pd->subsampling_x; | 
|  | const int ss_y = pd->subsampling_y; | 
|  | const int row_start = | 
|  | (block_size_high[bsize] == 4) && ss_y && !build_for_obmc ? -1 : 0; | 
|  | const int col_start = | 
|  | (block_size_wide[bsize] == 4) && ss_x && !build_for_obmc ? -1 : 0; | 
|  | const int pre_x = (mi_x + MI_SIZE * col_start) >> ss_x; | 
|  | const int pre_y = (mi_y + MI_SIZE * row_start) >> ss_y; | 
|  |  | 
|  | for (int ref = 0; ref < 1 + is_compound; ++ref) { | 
|  | const struct scale_factors *const sf = | 
|  | is_intrabc ? &cm->sf_identity : xd->block_ref_scale_factors[ref]; | 
|  | struct buf_2d *const pre_buf = is_intrabc ? dst_buf : &pd->pre[ref]; | 
|  | const MV mv = mi->mv[ref].as_mv; | 
|  | const WarpTypesAllowed warp_types = { is_global[ref], | 
|  | mi->motion_mode == WARPED_CAUSAL }; | 
|  |  | 
|  | InterPredParams inter_pred_params; | 
|  | av1_init_inter_params(&inter_pred_params, bw, bh, pre_y, pre_x, | 
|  | pd->subsampling_x, pd->subsampling_y, xd->bd, | 
|  | is_cur_buf_hbd(xd), mi->use_intrabc, sf, pre_buf, | 
|  | mi->interp_filters); | 
|  | if (is_compound) av1_init_comp_mode(&inter_pred_params); | 
|  | inter_pred_params.conv_params = get_conv_params_no_round( | 
|  | ref, plane, xd->tmp_conv_dst, MAX_SB_SIZE, is_compound, xd->bd); | 
|  |  | 
|  | av1_dist_wtd_comp_weight_assign( | 
|  | cm, mi, &inter_pred_params.conv_params.fwd_offset, | 
|  | &inter_pred_params.conv_params.bck_offset, | 
|  | &inter_pred_params.conv_params.use_dist_wtd_comp_avg, is_compound); | 
|  |  | 
|  | if (!build_for_obmc) | 
|  | av1_init_warp_params(&inter_pred_params, &warp_types, ref, xd, mi); | 
|  |  | 
|  | if (is_masked_compound_type(mi->interinter_comp.type)) { | 
|  | inter_pred_params.sb_type = mi->bsize; | 
|  | inter_pred_params.mask_comp = mi->interinter_comp; | 
|  | if (ref == 1) { | 
|  | inter_pred_params.conv_params.do_average = 0; | 
|  | inter_pred_params.comp_mode = MASK_COMP; | 
|  | } | 
|  | // Assign physical buffer. | 
|  | inter_pred_params.mask_comp.seg_mask = xd->seg_mask; | 
|  | } | 
|  |  | 
|  | #if IS_DEC | 
|  | build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params, xd, | 
|  | mi_x, mi_y, ref, mc_buf); | 
|  | #else | 
|  | build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params); | 
|  | #endif  // IS_DEC | 
|  | } | 
|  | } | 
|  |  | 
|  | #if IS_DEC | 
|  | static AOM_INLINE void build_inter_predictors( | 
|  | const AV1_COMMON *cm, MACROBLOCKD *xd, int plane, const MB_MODE_INFO *mi, | 
|  | int build_for_obmc, int bw, int bh, int mi_x, int mi_y, uint8_t **mc_buf) { | 
|  | if (is_sub8x8_inter(xd, plane, mi->bsize, is_intrabc_block(mi), | 
|  | build_for_obmc)) { | 
|  | assert(bw < 8 || bh < 8); | 
|  | build_inter_predictors_sub8x8(cm, xd, plane, mi, mi_x, mi_y, mc_buf); | 
|  | } else { | 
|  | build_inter_predictors_8x8_and_bigger(cm, xd, plane, mi, build_for_obmc, bw, | 
|  | bh, mi_x, mi_y, mc_buf); | 
|  | } | 
|  | } | 
|  | #else | 
|  | static AOM_INLINE void build_inter_predictors(const AV1_COMMON *cm, | 
|  | MACROBLOCKD *xd, int plane, | 
|  | const MB_MODE_INFO *mi, | 
|  | int build_for_obmc, int bw, | 
|  | int bh, int mi_x, int mi_y) { | 
|  | if (is_sub8x8_inter(xd, plane, mi->bsize, is_intrabc_block(mi), | 
|  | build_for_obmc)) { | 
|  | assert(bw < 8 || bh < 8); | 
|  | build_inter_predictors_sub8x8(cm, xd, plane, mi, mi_x, mi_y); | 
|  | } else { | 
|  | build_inter_predictors_8x8_and_bigger(cm, xd, plane, mi, build_for_obmc, bw, | 
|  | bh, mi_x, mi_y); | 
|  | } | 
|  | } | 
|  | #endif  // IS_DEC |