| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <assert.h> |
| |
| #include "./aom_scale_rtcd.h" |
| #include "./aom_config.h" |
| |
| #include "aom/aom_integer.h" |
| |
| #include "av1/common/blockd.h" |
| #include "av1/common/reconinter.h" |
| #include "av1/common/reconintra.h" |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void av1_highbd_build_inter_predictor( |
| const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, |
| const MV *src_mv, const struct scale_factors *sf, int w, int h, int ref, |
| const InterpKernel *kernel, enum mv_precision precision, int x, int y, |
| int bd) { |
| const int is_q4 = precision == MV_PRECISION_Q4; |
| const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, |
| is_q4 ? src_mv->col : src_mv->col * 2 }; |
| MV32 mv = av1_scale_mv(&mv_q4, x, y, sf); |
| const int subpel_x = mv.col & SUBPEL_MASK; |
| const int subpel_y = mv.row & SUBPEL_MASK; |
| |
| src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); |
| |
| high_inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, sf, |
| w, h, ref, kernel, sf->x_step_q4, sf->y_step_q4, bd); |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| void av1_build_inter_predictor(const uint8_t *src, int src_stride, |
| uint8_t *dst, int dst_stride, const MV *src_mv, |
| const struct scale_factors *sf, int w, int h, |
| int ref, const InterpKernel *kernel, |
| enum mv_precision precision, int x, int y) { |
| const int is_q4 = precision == MV_PRECISION_Q4; |
| const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, |
| is_q4 ? src_mv->col : src_mv->col * 2 }; |
| MV32 mv = av1_scale_mv(&mv_q4, x, y, sf); |
| const int subpel_x = mv.col & SUBPEL_MASK; |
| const int subpel_y = mv.row & SUBPEL_MASK; |
| |
| src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); |
| |
| inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, sf, w, |
| h, ref, kernel, sf->x_step_q4, sf->y_step_q4); |
| } |
| |
| void build_inter_predictors(MACROBLOCKD *xd, int plane, int block, int bw, |
| int bh, int x, int y, int w, int h, int mi_x, |
| int mi_y) { |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| const MODE_INFO *mi = xd->mi[0]; |
| const int is_compound = has_second_ref(&mi->mbmi); |
| const InterpKernel *kernel = av1_filter_kernels[mi->mbmi.interp_filter]; |
| int ref; |
| |
| for (ref = 0; ref < 1 + is_compound; ++ref) { |
| const struct scale_factors *const sf = &xd->block_refs[ref]->sf; |
| struct buf_2d *const pre_buf = &pd->pre[ref]; |
| struct buf_2d *const dst_buf = &pd->dst; |
| uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x; |
| const MV mv = mi->mbmi.sb_type < BLOCK_8X8 |
| ? average_split_mvs(pd, mi, ref, block) |
| : mi->mbmi.mv[ref].as_mv; |
| |
| // TODO(jkoleszar): This clamping is done in the incorrect place for the |
| // scaling case. It needs to be done on the scaled MV, not the pre-scaling |
| // MV. Note however that it performs the subsampling aware scaling so |
| // that the result is always q4. |
| // mv_precision precision is MV_PRECISION_Q4. |
| const MV mv_q4 = clamp_mv_to_umv_border_sb( |
| xd, &mv, bw, bh, pd->subsampling_x, pd->subsampling_y); |
| |
| uint8_t *pre; |
| MV32 scaled_mv; |
| int xs, ys, subpel_x, subpel_y; |
| const int is_scaled = av1_is_scaled(sf); |
| |
| if (is_scaled) { |
| pre = pre_buf->buf + scaled_buffer_offset(x, y, pre_buf->stride, sf); |
| scaled_mv = av1_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf); |
| xs = sf->x_step_q4; |
| ys = sf->y_step_q4; |
| } else { |
| pre = pre_buf->buf + (y * pre_buf->stride + x); |
| scaled_mv.row = mv_q4.row; |
| scaled_mv.col = mv_q4.col; |
| xs = ys = 16; |
| } |
| subpel_x = scaled_mv.col & SUBPEL_MASK; |
| subpel_y = scaled_mv.row & SUBPEL_MASK; |
| pre += (scaled_mv.row >> SUBPEL_BITS) * pre_buf->stride + |
| (scaled_mv.col >> SUBPEL_BITS); |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| high_inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, subpel_x, |
| subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd); |
| } else { |
| inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, subpel_x, |
| subpel_y, sf, w, h, ref, kernel, xs, ys); |
| } |
| #else |
| inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, subpel_x, |
| subpel_y, sf, w, h, ref, kernel, xs, ys); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| } |
| } |
| |
| void av1_build_inter_predictor_sub8x8(MACROBLOCKD *xd, int plane, int i, |
| int ir, int ic, int mi_row, int mi_col) { |
| struct macroblockd_plane *const pd = &xd->plane[plane]; |
| MODE_INFO *const mi = xd->mi[0]; |
| const BLOCK_SIZE plane_bsize = get_plane_block_size(mi->mbmi.sb_type, pd); |
| const int width = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; |
| const int height = 4 * num_4x4_blocks_high_lookup[plane_bsize]; |
| |
| uint8_t *const dst = &pd->dst.buf[(ir * pd->dst.stride + ic) << 2]; |
| int ref; |
| const int is_compound = has_second_ref(&mi->mbmi); |
| const InterpKernel *kernel = av1_filter_kernels[mi->mbmi.interp_filter]; |
| |
| for (ref = 0; ref < 1 + is_compound; ++ref) { |
| const uint8_t *pre = |
| &pd->pre[ref].buf[(ir * pd->pre[ref].stride + ic) << 2]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { |
| av1_highbd_build_inter_predictor( |
| pre, pd->pre[ref].stride, dst, pd->dst.stride, |
| &mi->bmi[i].as_mv[ref].as_mv, &xd->block_refs[ref]->sf, width, height, |
| ref, kernel, MV_PRECISION_Q3, mi_col * MI_SIZE + 4 * ic, |
| mi_row * MI_SIZE + 4 * ir, xd->bd); |
| } else { |
| av1_build_inter_predictor( |
| pre, pd->pre[ref].stride, dst, pd->dst.stride, |
| &mi->bmi[i].as_mv[ref].as_mv, &xd->block_refs[ref]->sf, width, height, |
| ref, kernel, MV_PRECISION_Q3, mi_col * MI_SIZE + 4 * ic, |
| mi_row * MI_SIZE + 4 * ir); |
| } |
| #else |
| av1_build_inter_predictor( |
| pre, pd->pre[ref].stride, dst, pd->dst.stride, |
| &mi->bmi[i].as_mv[ref].as_mv, &xd->block_refs[ref]->sf, width, height, |
| ref, kernel, MV_PRECISION_Q3, mi_col * MI_SIZE + 4 * ic, |
| mi_row * MI_SIZE + 4 * ir); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| } |
| } |
| |
| static void build_inter_predictors_for_planes(MACROBLOCKD *xd, BLOCK_SIZE bsize, |
| int mi_row, int mi_col, |
| int plane_from, int plane_to) { |
| int plane; |
| const int mi_x = mi_col * MI_SIZE; |
| const int mi_y = mi_row * MI_SIZE; |
| for (plane = plane_from; plane <= plane_to; ++plane) { |
| const struct macroblockd_plane *pd = &xd->plane[plane]; |
| const int bw = 4 * num_4x4_blocks_wide_lookup[bsize] >> pd->subsampling_x; |
| const int bh = 4 * num_4x4_blocks_high_lookup[bsize] >> pd->subsampling_y; |
| |
| if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) { |
| const PARTITION_TYPE bp = bsize - xd->mi[0]->mbmi.sb_type; |
| const int have_vsplit = bp != PARTITION_HORZ; |
| const int have_hsplit = bp != PARTITION_VERT; |
| const int num_4x4_w = 2 >> ((!have_vsplit) | pd->subsampling_x); |
| const int num_4x4_h = 2 >> ((!have_hsplit) | pd->subsampling_y); |
| const int pw = 8 >> (have_vsplit | pd->subsampling_x); |
| const int ph = 8 >> (have_hsplit | pd->subsampling_y); |
| int x, y; |
| assert(bp != PARTITION_NONE && bp < PARTITION_TYPES); |
| assert(bsize == BLOCK_8X8); |
| assert(pw * num_4x4_w == bw && ph * num_4x4_h == bh); |
| for (y = 0; y < num_4x4_h; ++y) |
| for (x = 0; x < num_4x4_w; ++x) |
| build_inter_predictors(xd, plane, y * 2 + x, bw, bh, 4 * x, 4 * y, pw, |
| ph, mi_x, mi_y); |
| } else { |
| build_inter_predictors(xd, plane, 0, bw, bh, 0, 0, bw, bh, mi_x, mi_y); |
| } |
| } |
| } |
| |
| void av1_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize) { |
| build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, 0); |
| } |
| |
| void av1_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize, int plane) { |
| build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, plane, plane); |
| } |
| |
| void av1_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize) { |
| build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 1, |
| MAX_MB_PLANE - 1); |
| } |
| |
| void av1_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize) { |
| build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, |
| MAX_MB_PLANE - 1); |
| } |
| |
| void av1_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE], |
| const YV12_BUFFER_CONFIG *src, int mi_row, |
| int mi_col) { |
| uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, |
| src->v_buffer }; |
| const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, |
| src->uv_stride }; |
| int i; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| struct macroblockd_plane *const pd = &planes[i]; |
| setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL, |
| pd->subsampling_x, pd->subsampling_y); |
| } |
| } |
| |
| void av1_setup_pre_planes(MACROBLOCKD *xd, int idx, |
| const YV12_BUFFER_CONFIG *src, int mi_row, |
| int mi_col, const struct scale_factors *sf) { |
| if (src != NULL) { |
| int i; |
| uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, |
| src->v_buffer }; |
| const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, |
| src->uv_stride }; |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| struct macroblockd_plane *const pd = &xd->plane[i]; |
| setup_pred_plane(&pd->pre[idx], buffers[i], strides[i], mi_row, mi_col, |
| sf, pd->subsampling_x, pd->subsampling_y); |
| } |
| } |
| } |