270 lines
11 KiB
C++
270 lines
11 KiB
C++
/*
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* Copyright (c) 2022, Alliance for Open Media. All rights reserved.
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef IS_DEC
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#error "IS_DEC must be defined for reconinter_template.inc."
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#endif
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#if IS_DEC
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static inline void build_one_inter_predictor(uint8_t *dst, int dst_stride,
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const MV *src_mv,
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InterPredParams *inter_pred_params,
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MACROBLOCKD *xd, int mi_x,
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int mi_y, int ref,
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uint8_t **mc_buf) {
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#else
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static inline void build_one_inter_predictor(
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uint8_t *dst, int dst_stride, const MV *src_mv,
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InterPredParams *inter_pred_params) {
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#endif // IS_DEC
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SubpelParams subpel_params;
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uint8_t *src;
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int src_stride;
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#if IS_DEC
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dec_calc_subpel_params_and_extend(src_mv, inter_pred_params, xd, mi_x, mi_y,
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ref, mc_buf, &src, &subpel_params,
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&src_stride);
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#else
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enc_calc_subpel_params(src_mv, inter_pred_params, &src, &subpel_params,
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&src_stride);
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#endif // IS_DEC
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if (inter_pred_params->comp_mode == UNIFORM_SINGLE ||
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inter_pred_params->comp_mode == UNIFORM_COMP) {
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av1_make_inter_predictor(src, src_stride, dst, dst_stride,
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inter_pred_params, &subpel_params);
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} else {
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av1_make_masked_inter_predictor(src, src_stride, dst, dst_stride,
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inter_pred_params, &subpel_params);
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}
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}
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// True if the following hold:
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// 1. Not intrabc and not build_for_obmc
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// 2. At least one dimension is size 4 with subsampling
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// 3. If sub-sampled, none of the previous blocks around the sub-sample
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// are intrabc or inter-blocks
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static bool is_sub8x8_inter(const MACROBLOCKD *xd, int plane, BLOCK_SIZE bsize,
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int is_intrabc, int build_for_obmc) {
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if (is_intrabc || build_for_obmc) {
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return false;
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}
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const struct macroblockd_plane *const pd = &xd->plane[plane];
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const int ss_x = pd->subsampling_x;
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const int ss_y = pd->subsampling_y;
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const int is_sub4_x = (block_size_wide[bsize] == 4) && ss_x;
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const int is_sub4_y = (block_size_high[bsize] == 4) && ss_y;
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if (!is_sub4_x && !is_sub4_y) {
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return false;
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}
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// For sub8x8 chroma blocks, we may be covering more than one luma block's
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// worth of pixels. Thus (mi_x, mi_y) may not be the correct coordinates for
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// the top-left corner of the prediction source - the correct top-left corner
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// is at (pre_x, pre_y).
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const int row_start = is_sub4_y ? -1 : 0;
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const int col_start = is_sub4_x ? -1 : 0;
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for (int row = row_start; row <= 0; ++row) {
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for (int col = col_start; col <= 0; ++col) {
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const MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col];
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if (!is_inter_block(this_mbmi)) return false;
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if (is_intrabc_block(this_mbmi)) return false;
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}
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}
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return true;
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}
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#if IS_DEC
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static inline void build_inter_predictors_sub8x8(const AV1_COMMON *cm,
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MACROBLOCKD *xd, int plane,
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const MB_MODE_INFO *mi,
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int mi_x, int mi_y,
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uint8_t **mc_buf) {
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#else
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static inline void build_inter_predictors_sub8x8(const AV1_COMMON *cm,
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MACROBLOCKD *xd, int plane,
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const MB_MODE_INFO *mi,
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int mi_x, int mi_y) {
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#endif // IS_DEC
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const BLOCK_SIZE bsize = mi->bsize;
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struct macroblockd_plane *const pd = &xd->plane[plane];
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const bool ss_x = pd->subsampling_x;
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const bool ss_y = pd->subsampling_y;
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const int b4_w = block_size_wide[bsize] >> ss_x;
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const int b4_h = block_size_high[bsize] >> ss_y;
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const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, ss_x, ss_y);
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const int b8_w = block_size_wide[plane_bsize];
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const int b8_h = block_size_high[plane_bsize];
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const int is_compound = has_second_ref(mi);
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assert(!is_compound);
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assert(!is_intrabc_block(mi));
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// For sub8x8 chroma blocks, we may be covering more than one luma block's
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// worth of pixels. Thus (mi_x, mi_y) may not be the correct coordinates for
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// the top-left corner of the prediction source - the correct top-left corner
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// is at (pre_x, pre_y).
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const int row_start = (block_size_high[bsize] == 4) && ss_y ? -1 : 0;
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const int col_start = (block_size_wide[bsize] == 4) && ss_x ? -1 : 0;
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const int pre_x = (mi_x + MI_SIZE * col_start) >> ss_x;
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const int pre_y = (mi_y + MI_SIZE * row_start) >> ss_y;
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int row = row_start;
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for (int y = 0; y < b8_h; y += b4_h) {
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int col = col_start;
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for (int x = 0; x < b8_w; x += b4_w) {
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MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col];
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struct buf_2d *const dst_buf = &pd->dst;
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uint8_t *dst = dst_buf->buf + dst_buf->stride * y + x;
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int ref = 0;
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const RefCntBuffer *ref_buf =
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get_ref_frame_buf(cm, this_mbmi->ref_frame[ref]);
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const struct scale_factors *ref_scale_factors =
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get_ref_scale_factors_const(cm, this_mbmi->ref_frame[ref]);
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const struct scale_factors *const sf = ref_scale_factors;
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const struct buf_2d pre_buf = {
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NULL,
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(plane == 1) ? ref_buf->buf.u_buffer : ref_buf->buf.v_buffer,
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ref_buf->buf.uv_crop_width,
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ref_buf->buf.uv_crop_height,
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ref_buf->buf.uv_stride,
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};
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const MV mv = this_mbmi->mv[ref].as_mv;
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InterPredParams inter_pred_params;
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av1_init_inter_params(&inter_pred_params, b4_w, b4_h, pre_y + y,
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pre_x + x, pd->subsampling_x, pd->subsampling_y,
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xd->bd, is_cur_buf_hbd(xd), mi->use_intrabc, sf,
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&pre_buf, this_mbmi->interp_filters);
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inter_pred_params.conv_params =
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get_conv_params_no_round(ref, plane, NULL, 0, is_compound, xd->bd);
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#if IS_DEC
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build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params,
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xd, mi_x + x, mi_y + y, ref, mc_buf);
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#else
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build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params);
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#endif // IS_DEC
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++col;
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}
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++row;
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}
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}
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#if IS_DEC
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static inline void build_inter_predictors_8x8_and_bigger(
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const AV1_COMMON *cm, MACROBLOCKD *xd, int plane, const MB_MODE_INFO *mi,
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int build_for_obmc, int bw, int bh, int mi_x, int mi_y, uint8_t **mc_buf) {
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#else
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static inline void build_inter_predictors_8x8_and_bigger(
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const AV1_COMMON *cm, MACROBLOCKD *xd, int plane, const MB_MODE_INFO *mi,
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int build_for_obmc, int bw, int bh, int mi_x, int mi_y) {
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#endif // IS_DEC
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const int is_compound = has_second_ref(mi);
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const int is_intrabc = is_intrabc_block(mi);
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assert(IMPLIES(is_intrabc, !is_compound));
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struct macroblockd_plane *const pd = &xd->plane[plane];
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struct buf_2d *const dst_buf = &pd->dst;
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uint8_t *const dst = dst_buf->buf;
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int is_global[2] = { 0, 0 };
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for (int ref = 0; ref < 1 + is_compound; ++ref) {
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const WarpedMotionParams *const wm = &xd->global_motion[mi->ref_frame[ref]];
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is_global[ref] = is_global_mv_block(mi, wm->wmtype);
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}
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const BLOCK_SIZE bsize = mi->bsize;
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const int ss_x = pd->subsampling_x;
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const int ss_y = pd->subsampling_y;
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const int row_start =
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(block_size_high[bsize] == 4) && ss_y && !build_for_obmc ? -1 : 0;
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const int col_start =
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(block_size_wide[bsize] == 4) && ss_x && !build_for_obmc ? -1 : 0;
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const int pre_x = (mi_x + MI_SIZE * col_start) >> ss_x;
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const int pre_y = (mi_y + MI_SIZE * row_start) >> ss_y;
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for (int ref = 0; ref < 1 + is_compound; ++ref) {
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const struct scale_factors *const sf =
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is_intrabc ? &cm->sf_identity : xd->block_ref_scale_factors[ref];
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struct buf_2d *const pre_buf = is_intrabc ? dst_buf : &pd->pre[ref];
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const MV mv = mi->mv[ref].as_mv;
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const WarpTypesAllowed warp_types = { is_global[ref],
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mi->motion_mode == WARPED_CAUSAL };
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InterPredParams inter_pred_params;
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av1_init_inter_params(&inter_pred_params, bw, bh, pre_y, pre_x,
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pd->subsampling_x, pd->subsampling_y, xd->bd,
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is_cur_buf_hbd(xd), mi->use_intrabc, sf, pre_buf,
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mi->interp_filters);
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if (is_compound) av1_init_comp_mode(&inter_pred_params);
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inter_pred_params.conv_params = get_conv_params_no_round(
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ref, plane, xd->tmp_conv_dst, MAX_SB_SIZE, is_compound, xd->bd);
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av1_dist_wtd_comp_weight_assign(
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cm, mi, &inter_pred_params.conv_params.fwd_offset,
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&inter_pred_params.conv_params.bck_offset,
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&inter_pred_params.conv_params.use_dist_wtd_comp_avg, is_compound);
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if (!build_for_obmc)
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av1_init_warp_params(&inter_pred_params, &warp_types, ref, xd, mi);
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if (is_masked_compound_type(mi->interinter_comp.type)) {
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inter_pred_params.sb_type = mi->bsize;
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inter_pred_params.mask_comp = mi->interinter_comp;
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if (ref == 1) {
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inter_pred_params.conv_params.do_average = 0;
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inter_pred_params.comp_mode = MASK_COMP;
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}
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// Assign physical buffer.
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inter_pred_params.mask_comp.seg_mask = xd->seg_mask;
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}
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#if IS_DEC
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build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params, xd,
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mi_x, mi_y, ref, mc_buf);
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#else
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build_one_inter_predictor(dst, dst_buf->stride, &mv, &inter_pred_params);
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#endif // IS_DEC
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}
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}
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#if IS_DEC
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static inline void build_inter_predictors(const AV1_COMMON *cm, MACROBLOCKD *xd,
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int plane, const MB_MODE_INFO *mi,
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int build_for_obmc, int bw, int bh,
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int mi_x, int mi_y,
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uint8_t **mc_buf) {
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if (is_sub8x8_inter(xd, plane, mi->bsize, is_intrabc_block(mi),
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build_for_obmc)) {
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assert(bw < 8 || bh < 8);
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build_inter_predictors_sub8x8(cm, xd, plane, mi, mi_x, mi_y, mc_buf);
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} else {
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build_inter_predictors_8x8_and_bigger(cm, xd, plane, mi, build_for_obmc, bw,
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bh, mi_x, mi_y, mc_buf);
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}
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}
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#else
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static inline void build_inter_predictors(const AV1_COMMON *cm, MACROBLOCKD *xd,
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int plane, const MB_MODE_INFO *mi,
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int build_for_obmc, int bw, int bh,
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int mi_x, int mi_y) {
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if (is_sub8x8_inter(xd, plane, mi->bsize, is_intrabc_block(mi),
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build_for_obmc)) {
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assert(bw < 8 || bh < 8);
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build_inter_predictors_sub8x8(cm, xd, plane, mi, mi_x, mi_y);
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} else {
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build_inter_predictors_8x8_and_bigger(cm, xd, plane, mi, build_for_obmc, bw,
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bh, mi_x, mi_y);
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}
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}
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#endif // IS_DEC
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