| /* |
| * 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 <math.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/av1_loopfilter.h" |
| #include "av1/common/reconinter.h" |
| #include "av1/common/seg_common.h" |
| |
| static const SEG_LVL_FEATURES seg_lvl_lf_lut[MAX_MB_PLANE][2] = { |
| { SEG_LVL_ALT_LF_Y_V, SEG_LVL_ALT_LF_Y_H }, |
| { SEG_LVL_ALT_LF_U, SEG_LVL_ALT_LF_U }, |
| { SEG_LVL_ALT_LF_V, SEG_LVL_ALT_LF_V } |
| }; |
| |
| static const int delta_lf_id_lut[MAX_MB_PLANE][2] = { { 0, 1 }, |
| { 2, 2 }, |
| { 3, 3 } }; |
| |
| static const int mode_lf_lut[] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES |
| 1, 1, 0, 1, // INTER_MODES (GLOBALMV == 0) |
| 1, 1, 1, 1, 1, 1, 0, 1 // INTER_COMPOUND_MODES (GLOBAL_GLOBALMV == 0) |
| }; |
| |
| static void update_sharpness(loop_filter_info_n *lfi, int sharpness_lvl) { |
| int lvl; |
| |
| // For each possible value for the loop filter fill out limits |
| for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) { |
| // Set loop filter parameters that control sharpness. |
| int block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4)); |
| |
| if (sharpness_lvl > 0) { |
| if (block_inside_limit > (9 - sharpness_lvl)) |
| block_inside_limit = (9 - sharpness_lvl); |
| } |
| |
| if (block_inside_limit < 1) block_inside_limit = 1; |
| |
| memset(lfi->lfthr[lvl].lim, block_inside_limit, SIMD_WIDTH); |
| memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit), |
| SIMD_WIDTH); |
| } |
| } |
| |
| uint8_t av1_get_filter_level(const AV1_COMMON *cm, |
| const loop_filter_info_n *lfi_n, const int dir_idx, |
| int plane, const MB_MODE_INFO *mbmi) { |
| const int segment_id = mbmi->segment_id; |
| if (cm->delta_q_info.delta_lf_present_flag) { |
| int8_t delta_lf; |
| if (cm->delta_q_info.delta_lf_multi) { |
| const int delta_lf_idx = delta_lf_id_lut[plane][dir_idx]; |
| delta_lf = mbmi->delta_lf[delta_lf_idx]; |
| } else { |
| delta_lf = mbmi->delta_lf_from_base; |
| } |
| int base_level; |
| if (plane == 0) |
| base_level = cm->lf.filter_level[dir_idx]; |
| else if (plane == 1) |
| base_level = cm->lf.filter_level_u; |
| else |
| base_level = cm->lf.filter_level_v; |
| int lvl_seg = clamp(delta_lf + base_level, 0, MAX_LOOP_FILTER); |
| assert(plane >= 0 && plane <= 2); |
| const int seg_lf_feature_id = seg_lvl_lf_lut[plane][dir_idx]; |
| if (segfeature_active(&cm->seg, segment_id, seg_lf_feature_id)) { |
| const int data = get_segdata(&cm->seg, segment_id, seg_lf_feature_id); |
| lvl_seg = clamp(lvl_seg + data, 0, MAX_LOOP_FILTER); |
| } |
| |
| if (cm->lf.mode_ref_delta_enabled) { |
| const int scale = 1 << (lvl_seg >> 5); |
| lvl_seg += cm->lf.ref_deltas[mbmi->ref_frame[0]] * scale; |
| if (mbmi->ref_frame[0] > INTRA_FRAME) |
| lvl_seg += cm->lf.mode_deltas[mode_lf_lut[mbmi->mode]] * scale; |
| lvl_seg = clamp(lvl_seg, 0, MAX_LOOP_FILTER); |
| } |
| return lvl_seg; |
| } else { |
| return lfi_n->lvl[plane][segment_id][dir_idx][mbmi->ref_frame[0]] |
| [mode_lf_lut[mbmi->mode]]; |
| } |
| } |
| |
| void av1_loop_filter_init(AV1_COMMON *cm) { |
| assert(MB_MODE_COUNT == NELEMENTS(mode_lf_lut)); |
| loop_filter_info_n *lfi = &cm->lf_info; |
| struct loopfilter *lf = &cm->lf; |
| int lvl; |
| |
| // init limits for given sharpness |
| update_sharpness(lfi, lf->sharpness_level); |
| |
| // init hev threshold const vectors |
| for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) |
| memset(lfi->lfthr[lvl].hev_thr, (lvl >> 4), SIMD_WIDTH); |
| } |
| |
| // Update the loop filter for the current frame. |
| // This should be called before loop_filter_rows(), |
| // av1_loop_filter_frame() calls this function directly. |
| void av1_loop_filter_frame_init(AV1_COMMON *cm, int plane_start, |
| int plane_end) { |
| int filt_lvl[MAX_MB_PLANE], filt_lvl_r[MAX_MB_PLANE]; |
| int plane; |
| int seg_id; |
| // n_shift is the multiplier for lf_deltas |
| // the multiplier is 1 for when filter_lvl is between 0 and 31; |
| // 2 when filter_lvl is between 32 and 63 |
| loop_filter_info_n *const lfi = &cm->lf_info; |
| struct loopfilter *const lf = &cm->lf; |
| const struct segmentation *const seg = &cm->seg; |
| |
| // update sharpness limits |
| update_sharpness(lfi, lf->sharpness_level); |
| |
| filt_lvl[0] = cm->lf.filter_level[0]; |
| filt_lvl[1] = cm->lf.filter_level_u; |
| filt_lvl[2] = cm->lf.filter_level_v; |
| |
| filt_lvl_r[0] = cm->lf.filter_level[1]; |
| filt_lvl_r[1] = cm->lf.filter_level_u; |
| filt_lvl_r[2] = cm->lf.filter_level_v; |
| |
| assert(plane_start >= AOM_PLANE_Y); |
| assert(plane_end <= MAX_MB_PLANE); |
| |
| for (plane = plane_start; plane < plane_end; plane++) { |
| if (plane == 0 && !filt_lvl[0] && !filt_lvl_r[0]) |
| break; |
| else if (plane == 1 && !filt_lvl[1]) |
| continue; |
| else if (plane == 2 && !filt_lvl[2]) |
| continue; |
| |
| for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) { |
| for (int dir = 0; dir < 2; ++dir) { |
| int lvl_seg = (dir == 0) ? filt_lvl[plane] : filt_lvl_r[plane]; |
| const int seg_lf_feature_id = seg_lvl_lf_lut[plane][dir]; |
| if (segfeature_active(seg, seg_id, seg_lf_feature_id)) { |
| const int data = get_segdata(&cm->seg, seg_id, seg_lf_feature_id); |
| lvl_seg = clamp(lvl_seg + data, 0, MAX_LOOP_FILTER); |
| } |
| |
| if (!lf->mode_ref_delta_enabled) { |
| // we could get rid of this if we assume that deltas are set to |
| // zero when not in use; encoder always uses deltas |
| memset(lfi->lvl[plane][seg_id][dir], lvl_seg, |
| sizeof(lfi->lvl[plane][seg_id][dir])); |
| } else { |
| int ref, mode; |
| const int scale = 1 << (lvl_seg >> 5); |
| const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale; |
| lfi->lvl[plane][seg_id][dir][INTRA_FRAME][0] = |
| clamp(intra_lvl, 0, MAX_LOOP_FILTER); |
| |
| for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) { |
| for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) { |
| const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale + |
| lf->mode_deltas[mode] * scale; |
| lfi->lvl[plane][seg_id][dir][ref][mode] = |
| clamp(inter_lvl, 0, MAX_LOOP_FILTER); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| static TX_SIZE get_transform_size(const MACROBLOCKD *const xd, |
| const MB_MODE_INFO *const mbmi, |
| const int mi_row, const int mi_col, |
| const int plane, |
| const struct macroblockd_plane *plane_ptr) { |
| assert(mbmi != NULL); |
| if (xd && xd->lossless[mbmi->segment_id]) return TX_4X4; |
| |
| TX_SIZE tx_size = |
| (plane == AOM_PLANE_Y) |
| ? mbmi->tx_size |
| : av1_get_max_uv_txsize(mbmi->bsize, plane_ptr->subsampling_x, |
| plane_ptr->subsampling_y); |
| assert(tx_size < TX_SIZES_ALL); |
| if ((plane == AOM_PLANE_Y) && is_inter_block(mbmi) && !mbmi->skip_txfm) { |
| const BLOCK_SIZE sb_type = mbmi->bsize; |
| const int blk_row = mi_row & (mi_size_high[sb_type] - 1); |
| const int blk_col = mi_col & (mi_size_wide[sb_type] - 1); |
| const TX_SIZE mb_tx_size = |
| mbmi->inter_tx_size[av1_get_txb_size_index(sb_type, blk_row, blk_col)]; |
| assert(mb_tx_size < TX_SIZES_ALL); |
| tx_size = mb_tx_size; |
| } |
| |
| return tx_size; |
| } |
| |
| // Return TX_SIZE from get_transform_size(), so it is plane and direction |
| // aware |
| static TX_SIZE set_lpf_parameters( |
| AV1_DEBLOCKING_PARAMETERS *const params, const ptrdiff_t mode_step, |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, |
| const EDGE_DIR edge_dir, const uint32_t x, const uint32_t y, |
| const int plane, const struct macroblockd_plane *const plane_ptr) { |
| // reset to initial values |
| params->filter_length = 0; |
| |
| // no deblocking is required |
| const uint32_t width = plane_ptr->dst.width; |
| const uint32_t height = plane_ptr->dst.height; |
| if ((width <= x) || (height <= y)) { |
| // just return the smallest transform unit size |
| return TX_4X4; |
| } |
| |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| // for sub8x8 block, chroma prediction mode is obtained from the bottom/right |
| // mi structure of the co-located 8x8 luma block. so for chroma plane, mi_row |
| // and mi_col should map to the bottom/right mi structure, i.e, both mi_row |
| // and mi_col should be odd number for chroma plane. |
| const int mi_row = scale_vert | ((y << scale_vert) >> MI_SIZE_LOG2); |
| const int mi_col = scale_horz | ((x << scale_horz) >> MI_SIZE_LOG2); |
| MB_MODE_INFO **mi = |
| cm->mi_params.mi_grid_base + mi_row * cm->mi_params.mi_stride + mi_col; |
| const MB_MODE_INFO *mbmi = mi[0]; |
| // If current mbmi is not correctly setup, return an invalid value to stop |
| // filtering. One example is that if this tile is not coded, then its mbmi |
| // it not set up. |
| if (mbmi == NULL) return TX_INVALID; |
| |
| const TX_SIZE ts = |
| get_transform_size(xd, mi[0], mi_row, mi_col, plane, plane_ptr); |
| |
| { |
| const uint32_t coord = (VERT_EDGE == edge_dir) ? (x) : (y); |
| const uint32_t transform_masks = |
| edge_dir == VERT_EDGE ? tx_size_wide[ts] - 1 : tx_size_high[ts] - 1; |
| const int32_t tu_edge = (coord & transform_masks) ? (0) : (1); |
| |
| if (!tu_edge) return ts; |
| |
| // prepare outer edge parameters. deblock the edge if it's an edge of a TU |
| { |
| const uint32_t curr_level = |
| av1_get_filter_level(cm, &cm->lf_info, edge_dir, plane, mbmi); |
| const int curr_skipped = mbmi->skip_txfm && is_inter_block(mbmi); |
| uint32_t level = curr_level; |
| if (coord) { |
| { |
| const MB_MODE_INFO *const mi_prev = *(mi - mode_step); |
| if (mi_prev == NULL) return TX_INVALID; |
| const int pv_row = |
| (VERT_EDGE == edge_dir) ? (mi_row) : (mi_row - (1 << scale_vert)); |
| const int pv_col = |
| (VERT_EDGE == edge_dir) ? (mi_col - (1 << scale_horz)) : (mi_col); |
| const TX_SIZE pv_ts = |
| get_transform_size(xd, mi_prev, pv_row, pv_col, plane, plane_ptr); |
| |
| const uint32_t pv_lvl = |
| av1_get_filter_level(cm, &cm->lf_info, edge_dir, plane, mi_prev); |
| |
| const int pv_skip_txfm = |
| mi_prev->skip_txfm && is_inter_block(mi_prev); |
| const BLOCK_SIZE bsize = get_plane_block_size( |
| mbmi->bsize, plane_ptr->subsampling_x, plane_ptr->subsampling_y); |
| assert(bsize < BLOCK_SIZES_ALL); |
| const int prediction_masks = edge_dir == VERT_EDGE |
| ? block_size_wide[bsize] - 1 |
| : block_size_high[bsize] - 1; |
| const int32_t pu_edge = !(coord & prediction_masks); |
| // if the current and the previous blocks are skipped, |
| // deblock the edge if the edge belongs to a PU's edge only. |
| if ((curr_level || pv_lvl) && |
| (!pv_skip_txfm || !curr_skipped || pu_edge)) { |
| const int dim = (VERT_EDGE == edge_dir) |
| ? AOMMIN(tx_size_wide_unit_log2[ts], |
| tx_size_wide_unit_log2[pv_ts]) |
| : AOMMIN(tx_size_high_unit_log2[ts], |
| tx_size_high_unit_log2[pv_ts]); |
| if (plane) { |
| params->filter_length = (dim == 0) ? 4 : 6; |
| } else { |
| static const int tx_dim_to_filter_length[TX_SIZES] = { 4, 8, 14, |
| 14, 14 }; |
| assert(dim < TX_SIZES); |
| assert(dim >= 0); |
| params->filter_length = tx_dim_to_filter_length[dim]; |
| } |
| |
| // update the level if the current block is skipped, |
| // but the previous one is not |
| level = (curr_level) ? (curr_level) : (pv_lvl); |
| } |
| } |
| } |
| // prepare common parameters |
| if (params->filter_length) { |
| const loop_filter_thresh *const limits = cm->lf_info.lfthr + level; |
| params->lfthr = limits; |
| } |
| } |
| } |
| |
| return ts; |
| } |
| |
| // Similar to set_lpf_parameters, but does so one row/col at a time to reduce |
| // calls to \ref get_transform_size and \ref av1_get_filter_level |
| static AOM_FORCE_INLINE void set_lpf_parameters_for_line( |
| AV1_DEBLOCKING_PARAMETERS *const params_buf, TX_SIZE *tx_buf, |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, |
| const EDGE_DIR edge_dir, uint32_t x, uint32_t y, const int plane, |
| const struct macroblockd_plane *const plane_ptr, const uint32_t range) { |
| AV1_DEBLOCKING_PARAMETERS *params = params_buf; |
| TX_SIZE *tx_size = tx_buf; |
| |
| TX_SIZE prev_tx_size = TX_INVALID; |
| |
| const int is_vert = edge_dir == VERT_EDGE; |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| const ptrdiff_t mode_step = |
| is_vert ? (1 << scale_horz) : (cm->mi_params.mi_stride << scale_vert); |
| |
| { |
| // Initialize the previous tx_size |
| const int mi_row = scale_vert | ((y << scale_vert) >> MI_SIZE_LOG2); |
| const int mi_col = scale_horz | ((x << scale_horz) >> MI_SIZE_LOG2); |
| MB_MODE_INFO **mi = |
| cm->mi_params.mi_grid_base + mi_row * cm->mi_params.mi_stride + mi_col; |
| const uint32_t coord = is_vert ? (x) : (y); |
| if (coord) { |
| const MB_MODE_INFO *prev_mbmi = *(mi - mode_step); |
| const int pv_row = is_vert ? (mi_row) : (mi_row - (1 << scale_vert)); |
| const int pv_col = is_vert ? (mi_col - (1 << scale_horz)) : (mi_col); |
| prev_tx_size = |
| get_transform_size(xd, prev_mbmi, pv_row, pv_col, plane, plane_ptr); |
| } |
| } |
| |
| uint32_t *counter_ptr = is_vert ? &x : &y; |
| while (*counter_ptr < range) { |
| assert(x < (uint32_t)plane_ptr->dst.width && |
| y < (uint32_t)plane_ptr->dst.height); |
| // reset to initial values |
| params->filter_length = 0; |
| |
| // for sub8x8 block, chroma prediction mode is obtained from the |
| // bottom/right mi structure of the co-located 8x8 luma block. so for chroma |
| // plane, mi_row and mi_col should map to the bottom/right mi structure, |
| // i.e, both mi_row and mi_col should be odd number for chroma plane. |
| const int mi_row = scale_vert | ((y << scale_vert) >> MI_SIZE_LOG2); |
| const int mi_col = scale_horz | ((x << scale_horz) >> MI_SIZE_LOG2); |
| MB_MODE_INFO **mi = |
| cm->mi_params.mi_grid_base + mi_row * cm->mi_params.mi_stride + mi_col; |
| const MB_MODE_INFO *mbmi = mi[0]; |
| assert(mbmi); |
| |
| const TX_SIZE ts = |
| get_transform_size(xd, mi[0], mi_row, mi_col, plane, plane_ptr); |
| *tx_size = ts; |
| |
| const int advance_units = |
| is_vert ? tx_size_wide_unit[ts] : tx_size_high_unit[ts]; |
| const uint32_t coord = is_vert ? (x) : (y); |
| #ifndef NDEBUG |
| const uint32_t transform_masks = |
| is_vert ? tx_size_wide[ts] - 1 : tx_size_high[ts] - 1; |
| const int32_t tu_edge = (coord & transform_masks) ? (0) : (1); |
| assert(tu_edge); |
| #endif // NDEBUG |
| |
| // prepare outer edge parameters. deblock the edge if it's an edge of a TU |
| if (coord) { |
| const MB_MODE_INFO *const mi_prev = *(mi - mode_step); |
| const TX_SIZE pv_ts = prev_tx_size; |
| assert(mi_prev); |
| uint32_t level = |
| av1_get_filter_level(cm, &cm->lf_info, edge_dir, plane, mbmi); |
| if (!level) { |
| level = |
| av1_get_filter_level(cm, &cm->lf_info, edge_dir, plane, mi_prev); |
| } |
| |
| const int curr_skipped = mbmi->skip_txfm && is_inter_block(mbmi); |
| const int32_t pu_edge = mi_prev != mbmi; |
| if (level && (!curr_skipped || pu_edge)) { |
| const int dim = is_vert ? AOMMIN(tx_size_wide_unit_log2[ts], |
| tx_size_wide_unit_log2[pv_ts]) |
| : AOMMIN(tx_size_high_unit_log2[ts], |
| tx_size_high_unit_log2[pv_ts]); |
| if (plane) { |
| params->filter_length = (dim == 0) ? 4 : 6; |
| } else { |
| static const int tx_dim_to_filter_length[TX_SIZES] = { 4, 8, 14, 14, |
| 14 }; |
| assert(dim < TX_SIZES); |
| assert(dim >= 0); |
| params->filter_length = tx_dim_to_filter_length[dim]; |
| } |
| |
| // prepare common parameters |
| const loop_filter_thresh *const limits = cm->lf_info.lfthr + level; |
| params->lfthr = limits; |
| } |
| } |
| |
| // Advance |
| *counter_ptr += MIN_TX_SIZE * advance_units; |
| params += advance_units; |
| tx_size += advance_units; |
| |
| prev_tx_size = ts; |
| } |
| } |
| |
| static AOM_INLINE int get_min_tx_height(const TX_SIZE *tx_buf, |
| const int x_range) { |
| int min_dim = INT_MAX; |
| |
| for (int x = 0; x < x_range;) { |
| const TX_SIZE ts = *tx_buf; |
| if (ts == TX_INVALID) { |
| x++; |
| continue; |
| } |
| tx_buf += tx_size_wide_unit[ts]; |
| x += tx_size_wide_unit[ts]; |
| |
| min_dim = AOMMIN(min_dim, tx_size_high[ts]); |
| } |
| return min_dim; |
| } |
| |
| static AOM_INLINE int get_min_tx_width(const TX_SIZE *tx_buf, |
| const int y_range) { |
| int min_dim = INT_MAX; |
| |
| for (int y = 0; y < y_range;) { |
| const TX_SIZE ts = *tx_buf; |
| if (ts == TX_INVALID) { |
| y++; |
| continue; |
| } |
| tx_buf += tx_size_high_unit[ts]; |
| y += tx_size_high_unit[ts]; |
| |
| min_dim = AOMMIN(min_dim, tx_size_wide[ts]); |
| } |
| return min_dim; |
| } |
| |
| static AOM_INLINE void filter_vert(uint8_t *dst, int dst_stride, |
| const AV1_DEBLOCKING_PARAMETERS *params, |
| bool use_dual) { |
| const loop_filter_thresh *limits = params->lfthr; |
| if (use_dual) { |
| switch (params->filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| aom_lpf_vertical_4_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| case 6: // apply 6-tap filter for chroma plane only |
| aom_lpf_vertical_6_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| aom_lpf_vertical_8_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| aom_lpf_vertical_14_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| } else { |
| switch (params->filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| aom_lpf_vertical_4(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| case 6: // apply 6-tap filter for chroma plane only |
| aom_lpf_vertical_6(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| aom_lpf_vertical_8(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| aom_lpf_vertical_14(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_vert(const AV1_COMMON *const cm, |
| const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, |
| const uint32_t mi_row, const uint32_t mi_col) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| |
| for (int y = 0; y < y_range; y++) { |
| uint8_t *p = dst_ptr + y * MI_SIZE * dst_stride; |
| for (int x = 0; x < x_range;) { |
| // inner loop always filter vertical edges in a MI block. If MI size |
| // is 8x8, it will filter the vertical edge aligned with a 8x8 block. |
| // If 4x4 transform is used, it will then filter the internal edge |
| // aligned with a 4x4 block |
| const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE; |
| const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE; |
| uint32_t advance_units; |
| TX_SIZE tx_size; |
| AV1_DEBLOCKING_PARAMETERS params; |
| memset(¶ms, 0, sizeof(params)); |
| |
| tx_size = |
| set_lpf_parameters(¶ms, ((ptrdiff_t)1 << scale_horz), cm, xd, |
| VERT_EDGE, curr_x, curr_y, plane, plane_ptr); |
| if (tx_size == TX_INVALID) { |
| params.filter_length = 0; |
| tx_size = TX_4X4; |
| } |
| |
| #if CONFIG_AV1_HIGHBITDEPTH |
| const int use_highbitdepth = cm->seq_params->use_highbitdepth; |
| const aom_bit_depth_t bit_depth = cm->seq_params->bit_depth; |
| const loop_filter_thresh *limits = params.lfthr; |
| switch (params.filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| if (use_highbitdepth) |
| aom_highbd_lpf_vertical_4(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_vertical_4(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| case 6: // apply 6-tap filter for chroma plane only |
| assert(plane != 0); |
| if (use_highbitdepth) |
| aom_highbd_lpf_vertical_6(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_vertical_6(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| if (use_highbitdepth) |
| aom_highbd_lpf_vertical_8(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_vertical_8(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| if (use_highbitdepth) |
| aom_highbd_lpf_vertical_14(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_vertical_14(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| #else |
| filter_vert(p, dst_stride, ¶ms, false); |
| #endif // CONFIG_AV1_HIGHBITDEPTH |
| // advance the destination pointer |
| advance_units = tx_size_wide_unit[tx_size]; |
| x += advance_units; |
| p += advance_units * MI_SIZE; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_vert_rt( |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, const uint32_t mi_row, |
| const uint32_t mi_col, AV1_DEBLOCKING_PARAMETERS *params_buf, |
| TX_SIZE *tx_buf) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| assert(!plane); |
| assert(!(y_range % 2)); |
| for (int y = 0; y < y_range; y += 2) { |
| const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE; |
| const uint32_t x_start = ((mi_col * MI_SIZE) >> scale_horz) + 0 * MI_SIZE; |
| const uint32_t x_end = |
| ((mi_col * MI_SIZE) >> scale_horz) + x_range * MI_SIZE; |
| set_lpf_parameters_for_line(params_buf, tx_buf, cm, xd, VERT_EDGE, x_start, |
| curr_y, plane, plane_ptr, x_end); |
| |
| AV1_DEBLOCKING_PARAMETERS *params = params_buf; |
| TX_SIZE *tx_size = tx_buf; |
| |
| uint8_t *p = dst_ptr + y * MI_SIZE * dst_stride; |
| for (int x = 0; x < x_range;) { |
| if (*tx_size == TX_INVALID) { |
| params->filter_length = 0; |
| *tx_size = TX_4X4; |
| } |
| |
| filter_vert(p, dst_stride, params, true); |
| |
| // advance the destination pointer |
| const uint32_t advance_units = tx_size_wide_unit[*tx_size]; |
| x += advance_units; |
| p += advance_units * MI_SIZE; |
| params += advance_units; |
| tx_size += advance_units; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_vert_rt_chroma( |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, const uint32_t mi_row, |
| const uint32_t mi_col, AV1_DEBLOCKING_PARAMETERS *params_buf, |
| TX_SIZE *tx_buf) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| |
| int min_height = 0; |
| for (int y = 0; y < y_range; y++) { |
| const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE; |
| const uint32_t x_start = ((mi_col * MI_SIZE) >> scale_horz) + 0 * MI_SIZE; |
| const uint32_t x_end = |
| ((mi_col * MI_SIZE) >> scale_horz) + x_range * MI_SIZE; |
| set_lpf_parameters_for_line(params_buf, tx_buf, cm, xd, VERT_EDGE, x_start, |
| curr_y, plane, plane_ptr, x_end); |
| |
| AV1_DEBLOCKING_PARAMETERS *params = params_buf; |
| TX_SIZE *tx_size = tx_buf; |
| |
| if (y % 2 == 0 && (y + 1) < y_range) { |
| // If we are on an even row, and the minimum height is 8 pixels, then the |
| // current and below rows must contain the same tx block. This is because |
| // dim 4 can only happen every unit of 2**0, and 8 every unit of 2**1, |
| // etc. |
| min_height = get_min_tx_height(tx_buf, x_range); |
| } |
| uint8_t *p = dst_ptr + y * MI_SIZE * dst_stride; |
| for (int x = 0; x < x_range;) { |
| // inner loop always filter vertical edges in a MI block. If MI size |
| // is 8x8, it will filter the vertical edge aligned with a 8x8 block. |
| // If 4x4 transform is used, it will then filter the internal edge |
| // aligned with a 4x4 block |
| if (*tx_size == TX_INVALID) { |
| params->filter_length = 0; |
| *tx_size = TX_4X4; |
| } |
| |
| filter_vert(p, dst_stride, params, min_height >= 8); |
| |
| // advance the destination pointer |
| const uint32_t advance_units = tx_size_wide_unit[*tx_size]; |
| x += advance_units; |
| p += advance_units * MI_SIZE; |
| params += advance_units; |
| tx_size += advance_units; |
| } |
| if (min_height >= 8) { |
| y++; |
| } |
| } |
| } |
| |
| static AOM_INLINE void filter_horz(uint8_t *dst, int dst_stride, |
| const AV1_DEBLOCKING_PARAMETERS *params, |
| bool use_dual) { |
| const loop_filter_thresh *limits = params->lfthr; |
| if (use_dual) { |
| switch (params->filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| aom_lpf_horizontal_4_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| case 6: // apply 6-tap filter for chroma plane only |
| aom_lpf_horizontal_6_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| aom_lpf_horizontal_8_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| aom_lpf_horizontal_14_dual(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| } else { |
| switch (params->filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| aom_lpf_horizontal_4(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| case 6: // apply 6-tap filter for chroma plane only |
| aom_lpf_horizontal_6(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| aom_lpf_horizontal_8(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| aom_lpf_horizontal_14(dst, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_horz(const AV1_COMMON *const cm, |
| const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, |
| const uint32_t mi_row, const uint32_t mi_col) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| for (int x = 0; x < x_range; x++) { |
| uint8_t *p = dst_ptr + x * MI_SIZE; |
| for (int y = 0; y < y_range;) { |
| // inner loop always filter vertical edges in a MI block. If MI size |
| // is 8x8, it will first filter the vertical edge aligned with a 8x8 |
| // block. If 4x4 transform is used, it will then filter the internal |
| // edge aligned with a 4x4 block |
| const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE; |
| const uint32_t curr_y = ((mi_row * MI_SIZE) >> scale_vert) + y * MI_SIZE; |
| uint32_t advance_units; |
| TX_SIZE tx_size; |
| AV1_DEBLOCKING_PARAMETERS params; |
| memset(¶ms, 0, sizeof(params)); |
| |
| tx_size = set_lpf_parameters( |
| ¶ms, (cm->mi_params.mi_stride << scale_vert), cm, xd, HORZ_EDGE, |
| curr_x, curr_y, plane, plane_ptr); |
| if (tx_size == TX_INVALID) { |
| params.filter_length = 0; |
| tx_size = TX_4X4; |
| } |
| |
| #if CONFIG_AV1_HIGHBITDEPTH |
| const int use_highbitdepth = cm->seq_params->use_highbitdepth; |
| const aom_bit_depth_t bit_depth = cm->seq_params->bit_depth; |
| const loop_filter_thresh *limits = params.lfthr; |
| switch (params.filter_length) { |
| // apply 4-tap filtering |
| case 4: |
| if (use_highbitdepth) |
| aom_highbd_lpf_horizontal_4(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_horizontal_4(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 6-tap filtering |
| case 6: |
| assert(plane != 0); |
| if (use_highbitdepth) |
| aom_highbd_lpf_horizontal_6(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_horizontal_6(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 8-tap filtering |
| case 8: |
| if (use_highbitdepth) |
| aom_highbd_lpf_horizontal_8(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_horizontal_8(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // apply 14-tap filtering |
| case 14: |
| if (use_highbitdepth) |
| aom_highbd_lpf_horizontal_14(CONVERT_TO_SHORTPTR(p), dst_stride, |
| limits->mblim, limits->lim, |
| limits->hev_thr, bit_depth); |
| else |
| aom_lpf_horizontal_14(p, dst_stride, limits->mblim, limits->lim, |
| limits->hev_thr); |
| break; |
| // no filtering |
| default: break; |
| } |
| #else |
| filter_horz(p, dst_stride, ¶ms, false); |
| #endif // CONFIG_AV1_HIGHBITDEPTH |
| |
| // advance the destination pointer |
| advance_units = tx_size_high_unit[tx_size]; |
| y += advance_units; |
| p += advance_units * dst_stride * MI_SIZE; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_horz_rt( |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, const uint32_t mi_row, |
| const uint32_t mi_col, AV1_DEBLOCKING_PARAMETERS *params_buf, |
| TX_SIZE *tx_buf) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| assert(!plane); |
| for (int x = 0; x < x_range; x += 2) { |
| const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE; |
| const uint32_t y_start = ((mi_row * MI_SIZE) >> scale_vert) + 0 * MI_SIZE; |
| const uint32_t y_end = |
| ((mi_row * MI_SIZE) >> scale_vert) + y_range * MI_SIZE; |
| set_lpf_parameters_for_line(params_buf, tx_buf, cm, xd, HORZ_EDGE, curr_x, |
| y_start, plane, plane_ptr, y_end); |
| |
| AV1_DEBLOCKING_PARAMETERS *params = params_buf; |
| TX_SIZE *tx_size = tx_buf; |
| |
| uint8_t *p = dst_ptr + x * MI_SIZE; |
| for (int y = 0; y < y_range;) { |
| if (*tx_size == TX_INVALID) { |
| params->filter_length = 0; |
| *tx_size = TX_4X4; |
| } |
| |
| filter_horz(p, dst_stride, params, true); |
| |
| // advance the destination pointer |
| const uint32_t advance_units = tx_size_high_unit[*tx_size]; |
| y += advance_units; |
| p += advance_units * dst_stride * MI_SIZE; |
| params += advance_units; |
| tx_size += advance_units; |
| } |
| } |
| } |
| |
| void av1_filter_block_plane_horz_rt_chroma( |
| const AV1_COMMON *const cm, const MACROBLOCKD *const xd, const int plane, |
| const MACROBLOCKD_PLANE *const plane_ptr, const uint32_t mi_row, |
| const uint32_t mi_col, AV1_DEBLOCKING_PARAMETERS *params_buf, |
| TX_SIZE *tx_buf) { |
| const uint32_t scale_horz = plane_ptr->subsampling_x; |
| const uint32_t scale_vert = plane_ptr->subsampling_y; |
| uint8_t *const dst_ptr = plane_ptr->dst.buf; |
| const int dst_stride = plane_ptr->dst.stride; |
| const int plane_mi_rows = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, scale_vert); |
| const int plane_mi_cols = |
| ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, scale_horz); |
| const int y_range = AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)), |
| (MAX_MIB_SIZE >> scale_vert)); |
| const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)), |
| (MAX_MIB_SIZE >> scale_horz)); |
| int min_width = 0; |
| for (int x = 0; x < x_range; x++) { |
| const uint32_t curr_x = ((mi_col * MI_SIZE) >> scale_horz) + x * MI_SIZE; |
| const uint32_t y_start = ((mi_row * MI_SIZE) >> scale_vert) + 0 * MI_SIZE; |
| const uint32_t y_end = |
| ((mi_row * MI_SIZE) >> scale_vert) + y_range * MI_SIZE; |
| set_lpf_parameters_for_line(params_buf, tx_buf, cm, xd, HORZ_EDGE, curr_x, |
| y_start, plane, plane_ptr, y_end); |
| |
| AV1_DEBLOCKING_PARAMETERS *params = params_buf; |
| TX_SIZE *tx_size = tx_buf; |
| |
| if (x % 2 == 0 && (x + 1) < x_range) { |
| // If we are on an even col, and the minimum width is 8 pixels, then the |
| // current and left cols must contain the same tx block. This is because |
| // dim 4 can only happen every unit of 2**0, and 8 every unit of 2**1, |
| // etc. |
| min_width = get_min_tx_width(tx_buf, y_range); |
| } |
| uint8_t *p = dst_ptr + x * MI_SIZE; |
| for (int y = 0; y < y_range;) { |
| // inner loop always filter vertical edges in a MI block. If MI size |
| // is 8x8, it will first filter the vertical edge aligned with a 8x8 |
| // block. If 4x4 transform is used, it will then filter the internal |
| // edge aligned with a 4x4 block |
| if (*tx_size == TX_INVALID) { |
| params->filter_length = 0; |
| *tx_size = TX_4X4; |
| } |
| |
| filter_horz(p, dst_stride, params, min_width >= 8); |
| |
| // advance the destination pointer |
| const int advance_units = tx_size_high_unit[*tx_size]; |
| y += advance_units; |
| p += advance_units * dst_stride * MI_SIZE; |
| params += advance_units; |
| tx_size += advance_units; |
| } |
| if (min_width >= 8) { |
| x++; |
| } |
| } |
| } |
