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-rw-r--r--third_party/aom/av1/common/av1_loopfilter.c2099
1 files changed, 2099 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/av1_loopfilter.c b/third_party/aom/av1/common/av1_loopfilter.c
new file mode 100644
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+++ b/third_party/aom/av1/common/av1_loopfilter.c
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+/*
+ * 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"
+
+enum {
+ USE_SINGLE,
+ USE_DUAL,
+ USE_QUAD,
+} UENUM1BYTE(USE_FILTER_TYPE);
+
+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 AOM_FORCE_INLINE 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 int ss_x, const int ss_y) {
+ 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, ss_x, ss_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;
+}
+
+static const int tx_dim_to_filter_length[TX_SIZES] = { 4, 8, 14, 14, 14 };
+
+// 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,
+ scale_horz, scale_vert);
+
+ {
+ 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, scale_horz, scale_vert);
+
+ 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 {
+ 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;
+}
+
+static const uint32_t vert_filter_length_luma[TX_SIZES_ALL][TX_SIZES_ALL] = {
+ // TX_4X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X8
+ {
+ 4, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8,
+ },
+ // TX_16X16
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_32X32
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_64X64
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_4X8
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X4
+ {
+ 4, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8,
+ },
+ // TX_8X16
+ {
+ 4, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8,
+ },
+ // TX_16X8
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_16X32
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_32X16
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_32X64
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_64X32
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_4X16
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_16X4
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_8X32
+ {
+ 4, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8,
+ },
+ // TX_32X8
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_16X64
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+ // TX_64X16
+ {
+ 4, 8, 14, 14, 14, 4, 8, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14, 14,
+ },
+};
+
+static const uint32_t horz_filter_length_luma[TX_SIZES_ALL][TX_SIZES_ALL] = {
+ // TX_4X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X8
+ {
+ 4, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8,
+ },
+ // TX_16X16
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_32X32
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_64X64
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_4X8
+ {
+ 4, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8,
+ },
+ // TX_8X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X16
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_16X8
+ {
+ 4, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8,
+ },
+ // TX_16X32
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_32X16
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_32X64
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_64X32
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_4X16
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_16X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X32
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_32X8
+ {
+ 4, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 4, 8, 8, 8, 8,
+ },
+ // TX_16X64
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+ // TX_64X16
+ {
+ 4, 8, 14, 14, 14, 8, 4, 14, 8, 14, 14, 14, 14, 14, 4, 14, 8, 14, 14,
+ },
+};
+
+static const uint32_t vert_filter_length_chroma[TX_SIZES_ALL][TX_SIZES_ALL] = {
+ // TX_4X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X8
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_16X16
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_32X32
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_64X64
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_4X8
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X4
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_8X16
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_16X8
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_16X32
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_32X16
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_32X64
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_64X32
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_4X16
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_16X4
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_8X32
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_32X8
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_16X64
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+ // TX_64X16
+ {
+ 4, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6,
+ },
+};
+
+static const uint32_t horz_filter_length_chroma[TX_SIZES_ALL][TX_SIZES_ALL] = {
+ // TX_4X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X8
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_16X16
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_32X32
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_64X64
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_4X8
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_8X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X16
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_16X8
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_16X32
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_32X16
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_32X64
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_64X32
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_4X16
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_16X4
+ {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ },
+ // TX_8X32
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_32X8
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_16X64
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+ // TX_64X16
+ {
+ 4, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 4, 6, 6, 6, 6,
+ },
+};
+
+static AOM_FORCE_INLINE void set_one_param_for_line_luma(
+ AV1_DEBLOCKING_PARAMETERS *const params, TX_SIZE *tx_size,
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ const EDGE_DIR edge_dir, uint32_t mi_col, uint32_t mi_row,
+ const struct macroblockd_plane *const plane_ptr, int coord,
+ bool is_first_block, TX_SIZE prev_tx_size, const ptrdiff_t mode_step,
+ int *min_dim) {
+ (void)plane_ptr;
+ assert(mi_col << MI_SIZE_LOG2 < (uint32_t)plane_ptr->dst.width &&
+ mi_row << MI_SIZE_LOG2 < (uint32_t)plane_ptr->dst.height);
+ const int is_vert = edge_dir == VERT_EDGE;
+ // reset to initial values
+ params->filter_length = 0;
+
+ 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, AOM_PLANE_Y, 0, 0);
+
+#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 * MI_SIZE) & transform_masks) ? (0) : (1);
+ assert(tu_edge);
+#endif // NDEBUG
+ // If we are not the first block, then coord is always true, so
+ // !is_first_block is technically redundant. But we are keeping it here so the
+ // compiler can compile away this conditional if we pass in is_first_block :=
+ // false
+ bool curr_skipped = false;
+ if (!is_first_block || coord) {
+ const MB_MODE_INFO *const mi_prev = *(mi - mode_step);
+ const int pv_row = is_vert ? mi_row : (mi_row - 1);
+ const int pv_col = is_vert ? (mi_col - 1) : mi_col;
+ const TX_SIZE pv_ts =
+ is_first_block
+ ? get_transform_size(xd, mi_prev, pv_row, pv_col, AOM_PLANE_Y, 0, 0)
+ : prev_tx_size;
+ if (is_first_block) {
+ *min_dim = is_vert ? block_size_high[mi_prev->bsize]
+ : block_size_wide[mi_prev->bsize];
+ }
+ assert(mi_prev);
+ uint8_t level =
+ av1_get_filter_level(cm, &cm->lf_info, edge_dir, AOM_PLANE_Y, mbmi);
+ if (!level) {
+ level = av1_get_filter_level(cm, &cm->lf_info, edge_dir, AOM_PLANE_Y,
+ mi_prev);
+ }
+
+ const int32_t pu_edge = mi_prev != mbmi;
+
+ // The quad loop filter assumes that all the transform blocks within a
+ // 8x16/16x8/16x16 prediction block are of the same size.
+ assert(IMPLIES(
+ !pu_edge && (mbmi->bsize >= BLOCK_8X16 && mbmi->bsize <= BLOCK_16X16),
+ pv_ts == ts));
+
+ if (!pu_edge) {
+ curr_skipped = mbmi->skip_txfm && is_inter_block(mbmi);
+ }
+ if ((pu_edge || !curr_skipped) && level) {
+ params->filter_length = is_vert ? vert_filter_length_luma[ts][pv_ts]
+ : horz_filter_length_luma[ts][pv_ts];
+
+ // prepare common parameters
+ const loop_filter_thresh *const limits = cm->lf_info.lfthr + level;
+ params->lfthr = limits;
+ }
+ }
+ const int block_dim =
+ is_vert ? block_size_high[mbmi->bsize] : block_size_wide[mbmi->bsize];
+ *min_dim = AOMMIN(*min_dim, block_dim);
+
+ *tx_size = 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_luma(
+ 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 mi_col, uint32_t mi_row,
+ const struct macroblockd_plane *const plane_ptr, const uint32_t mi_range,
+ const ptrdiff_t mode_step, int *min_dim) {
+ const int is_vert = edge_dir == VERT_EDGE;
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ uint32_t *counter_ptr = is_vert ? &mi_col : &mi_row;
+ TX_SIZE prev_tx_size = TX_INVALID;
+
+ // Unroll the first iteration of the loop
+ set_one_param_for_line_luma(params, tx_size, cm, xd, edge_dir, mi_col, mi_row,
+ plane_ptr, *counter_ptr, true, prev_tx_size,
+ mode_step, min_dim);
+
+ // Advance
+ int advance_units =
+ is_vert ? tx_size_wide_unit[*tx_size] : tx_size_high_unit[*tx_size];
+ prev_tx_size = *tx_size;
+ *counter_ptr += advance_units;
+ params += advance_units;
+ tx_size += advance_units;
+
+ while (*counter_ptr < mi_range) {
+ set_one_param_for_line_luma(params, tx_size, cm, xd, edge_dir, mi_col,
+ mi_row, plane_ptr, *counter_ptr, false,
+ prev_tx_size, mode_step, min_dim);
+
+ // Advance
+ advance_units =
+ is_vert ? tx_size_wide_unit[*tx_size] : tx_size_high_unit[*tx_size];
+ prev_tx_size = *tx_size;
+ *counter_ptr += advance_units;
+ params += advance_units;
+ tx_size += advance_units;
+ }
+}
+
+static AOM_FORCE_INLINE void set_one_param_for_line_chroma(
+ AV1_DEBLOCKING_PARAMETERS *const params, TX_SIZE *tx_size,
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ const EDGE_DIR edge_dir, uint32_t mi_col, uint32_t mi_row, int coord,
+ bool is_first_block, TX_SIZE prev_tx_size,
+ const struct macroblockd_plane *const plane_ptr, const ptrdiff_t mode_step,
+ const int scale_horz, const int scale_vert, int *min_dim, int plane,
+ int joint_filter_chroma) {
+ const int is_vert = edge_dir == VERT_EDGE;
+ (void)plane_ptr;
+ assert((mi_col << MI_SIZE_LOG2) <
+ (uint32_t)(plane_ptr->dst.width << scale_horz) &&
+ (mi_row << MI_SIZE_LOG2) <
+ (uint32_t)(plane_ptr->dst.height << scale_vert));
+ // 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.
+ mi_row |= scale_vert;
+ mi_col |= scale_horz;
+ 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,
+ scale_horz, scale_vert);
+ *tx_size = ts;
+
+#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 * MI_SIZE) & transform_masks) ? (0) : (1);
+ assert(tu_edge);
+#endif // NDEBUG
+
+ // If we are not the first block, then coord is always true, so
+ // !is_first_block is technically redundant. But we are keeping it here so the
+ // compiler can compile away this conditional if we pass in is_first_block :=
+ // false
+ bool curr_skipped = false;
+ if (!is_first_block || coord) {
+ const MB_MODE_INFO *const mi_prev = *(mi - mode_step);
+ assert(mi_prev);
+ 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);
+ const TX_SIZE pv_ts =
+ is_first_block ? get_transform_size(xd, mi_prev, pv_row, pv_col, plane,
+ scale_horz, scale_vert)
+ : prev_tx_size;
+ if (is_first_block) {
+ *min_dim = is_vert ? tx_size_high[pv_ts] : tx_size_wide[pv_ts];
+ }
+
+ uint8_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);
+ }
+#ifndef NDEBUG
+ if (joint_filter_chroma) {
+ uint8_t v_level =
+ av1_get_filter_level(cm, &cm->lf_info, edge_dir, AOM_PLANE_V, mbmi);
+ if (!v_level) {
+ v_level = av1_get_filter_level(cm, &cm->lf_info, edge_dir, AOM_PLANE_V,
+ mi_prev);
+ }
+ assert(level == v_level);
+ }
+#else
+ (void)joint_filter_chroma;
+#endif // NDEBUG
+ const int32_t pu_edge = mi_prev != mbmi;
+
+ if (!pu_edge) {
+ curr_skipped = mbmi->skip_txfm && is_inter_block(mbmi);
+ }
+ // For realtime mode, u and v have the same level
+ if ((!curr_skipped || pu_edge) && level) {
+ params->filter_length = is_vert ? vert_filter_length_chroma[ts][pv_ts]
+ : horz_filter_length_chroma[ts][pv_ts];
+
+ const loop_filter_thresh *const limits = cm->lf_info.lfthr;
+ params->lfthr = limits + level;
+ }
+ }
+ const int tx_dim = is_vert ? tx_size_high[ts] : tx_size_wide[ts];
+ *min_dim = AOMMIN(*min_dim, tx_dim);
+}
+
+static AOM_FORCE_INLINE void set_lpf_parameters_for_line_chroma(
+ 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 mi_col, uint32_t mi_row,
+ const struct macroblockd_plane *const plane_ptr, const uint32_t mi_range,
+ const ptrdiff_t mode_step, const int scale_horz, const int scale_vert,
+ int *min_dim, int plane, int joint_filter_chroma) {
+ const int is_vert = edge_dir == VERT_EDGE;
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ uint32_t *counter_ptr = is_vert ? &mi_col : &mi_row;
+ const uint32_t scale = is_vert ? scale_horz : scale_vert;
+ TX_SIZE prev_tx_size = TX_INVALID;
+
+ // Unroll the first iteration of the loop
+ set_one_param_for_line_chroma(params, tx_size, cm, xd, edge_dir, mi_col,
+ mi_row, *counter_ptr, true, prev_tx_size,
+ plane_ptr, mode_step, scale_horz, scale_vert,
+ min_dim, plane, joint_filter_chroma);
+
+ // Advance
+ int advance_units =
+ is_vert ? tx_size_wide_unit[*tx_size] : tx_size_high_unit[*tx_size];
+ prev_tx_size = *tx_size;
+ *counter_ptr += advance_units << scale;
+ params += advance_units;
+ tx_size += advance_units;
+
+ while (*counter_ptr < mi_range) {
+ set_one_param_for_line_chroma(params, tx_size, cm, xd, edge_dir, mi_col,
+ mi_row, *counter_ptr, false, prev_tx_size,
+ plane_ptr, mode_step, scale_horz, scale_vert,
+ min_dim, plane, joint_filter_chroma);
+
+ // Advance
+ advance_units =
+ is_vert ? tx_size_wide_unit[*tx_size] : tx_size_high_unit[*tx_size];
+ prev_tx_size = *tx_size;
+ *counter_ptr += advance_units << scale;
+ params += advance_units;
+ tx_size += advance_units;
+ }
+}
+
+static AOM_INLINE void filter_vert(uint8_t *dst, int dst_stride,
+ const AV1_DEBLOCKING_PARAMETERS *params,
+ const SequenceHeader *seq_params,
+ USE_FILTER_TYPE use_filter_type) {
+ const loop_filter_thresh *limits = params->lfthr;
+#if CONFIG_AV1_HIGHBITDEPTH
+ const int use_highbitdepth = seq_params->use_highbitdepth;
+ const aom_bit_depth_t bit_depth = seq_params->bit_depth;
+ if (use_highbitdepth) {
+ uint16_t *dst_shortptr = CONVERT_TO_SHORTPTR(dst);
+ if (use_filter_type == USE_QUAD) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_4_dual(
+ dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ limits->mblim, limits->lim, limits->hev_thr, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_6_dual(
+ dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ limits->mblim, limits->lim, limits->hev_thr, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_vertical_8_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_8_dual(
+ dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ limits->mblim, limits->lim, limits->hev_thr, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_vertical_14_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_14_dual(
+ dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ limits->mblim, limits->lim, limits->hev_thr, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_vertical_8_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_vertical_14_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_vertical_8(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_vertical_14(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ }
+ return;
+ }
+#endif // CONFIG_AV1_HIGHBITDEPTH
+ if (use_filter_type == USE_QUAD) {
+ // Only one set of loop filter parameters (mblim, lim and hev_thr) is
+ // passed as argument to quad loop filter because quad loop filter is
+ // called for those cases where all the 4 set of loop filter parameters
+ // are equal.
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_vertical_4_quad(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_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_lpf_vertical_8_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_lpf_vertical_14_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == 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 {
+ assert(use_filter_type == USE_SINGLE);
+ 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;
+ }
+ }
+#if !CONFIG_AV1_HIGHBITDEPTH
+ (void)seq_params;
+#endif // !CONFIG_AV1_HIGHBITDEPTH
+}
+
+static AOM_INLINE void filter_vert_chroma(
+ uint8_t *u_dst, uint8_t *v_dst, int dst_stride,
+ const AV1_DEBLOCKING_PARAMETERS *params, const SequenceHeader *seq_params,
+ USE_FILTER_TYPE use_filter_type) {
+ const loop_filter_thresh *u_limits = params->lfthr;
+ const loop_filter_thresh *v_limits = params->lfthr;
+#if CONFIG_AV1_HIGHBITDEPTH
+ const int use_highbitdepth = seq_params->use_highbitdepth;
+ const aom_bit_depth_t bit_depth = seq_params->bit_depth;
+ if (use_highbitdepth) {
+ uint16_t *u_dst_shortptr = CONVERT_TO_SHORTPTR(u_dst);
+ uint16_t *v_dst_shortptr = CONVERT_TO_SHORTPTR(v_dst);
+ if (use_filter_type == USE_QUAD) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_4_dual(
+ u_dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ u_limits->mblim, u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim, u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_4_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_4_dual(
+ v_dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ v_limits->mblim, v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim, v_limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_6_dual(
+ u_dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ u_limits->mblim, u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim, u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_6_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_6_dual(
+ v_dst_shortptr + (2 * MI_SIZE * dst_stride), dst_stride,
+ v_limits->mblim, v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim, v_limits->hev_thr, bit_depth);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_4_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_vertical_6_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_vertical_4(u_dst_shortptr, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_4(v_dst_shortptr, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_vertical_6(u_dst_shortptr, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_vertical_6(v_dst_shortptr, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ bit_depth);
+ break;
+ case 8:
+ case 14: assert(0); break;
+ // no filtering
+ default: break;
+ }
+ }
+ return;
+ }
+#endif // CONFIG_AV1_HIGHBITDEPTH
+ if (use_filter_type == USE_QUAD) {
+ // Only one set of loop filter parameters (mblim, lim and hev_thr) is
+ // passed as argument to quad loop filter because quad loop filter is
+ // called for those cases where all the 4 set of loop filter parameters
+ // are equal.
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_vertical_4_quad(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr);
+ aom_lpf_vertical_4_quad(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_vertical_6_quad(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr);
+ aom_lpf_vertical_6_quad(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_vertical_4_dual(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_vertical_4_dual(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_vertical_6_dual(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_vertical_6_dual(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_vertical_4(u_dst, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_vertical_4(v_dst, dst_stride, v_limits->mblim, v_limits->lim,
+ u_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_vertical_6(u_dst, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_vertical_6(v_dst, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0); break;
+ // no filtering
+ default: break;
+ }
+ }
+#if !CONFIG_AV1_HIGHBITDEPTH
+ (void)seq_params;
+#endif // !CONFIG_AV1_HIGHBITDEPTH
+}
+
+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(&params, 0, sizeof(params));
+
+ tx_size =
+ set_lpf_parameters(&params, ((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;
+ }
+
+ filter_vert(p, dst_stride, &params, cm->seq_params, USE_SINGLE);
+
+ // 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_opt(
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ 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, int num_mis_in_lpf_unit_height_log2) {
+ uint8_t *const dst_ptr = plane_ptr->dst.buf;
+ const int dst_stride = plane_ptr->dst.stride;
+ // Ensure that mi_cols/mi_rows are calculated based on frame dimension aligned
+ // to MI_SIZE.
+ const int plane_mi_cols =
+ CEIL_POWER_OF_TWO(plane_ptr->dst.width, MI_SIZE_LOG2);
+ const int plane_mi_rows =
+ CEIL_POWER_OF_TWO(plane_ptr->dst.height, MI_SIZE_LOG2);
+ // Whenever 'pipeline_lpf_mt_with_enc' is enabled, height of the unit to
+ // filter (i.e., y_range) is calculated based on the size of the superblock
+ // used.
+ const int y_range = AOMMIN((int)(plane_mi_rows - mi_row),
+ (1 << num_mis_in_lpf_unit_height_log2));
+ // Width of the unit to filter (i.e., x_range) should always be calculated
+ // based on maximum superblock size as this function is called for mi_col = 0,
+ // MAX_MIB_SIZE, 2 * MAX_MIB_SIZE etc.
+ const int x_range = AOMMIN((int)(plane_mi_cols - mi_col), MAX_MIB_SIZE);
+ const ptrdiff_t mode_step = 1;
+ for (int y = 0; y < y_range; y++) {
+ const uint32_t curr_y = mi_row + y;
+ const uint32_t x_start = mi_col;
+ const uint32_t x_end = mi_col + x_range;
+ int min_block_height = block_size_high[BLOCK_128X128];
+ set_lpf_parameters_for_line_luma(params_buf, tx_buf, cm, xd, VERT_EDGE,
+ x_start, curr_y, plane_ptr, x_end,
+ mode_step, &min_block_height);
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ USE_FILTER_TYPE use_filter_type = USE_SINGLE;
+
+ uint8_t *p = dst_ptr + y * MI_SIZE * dst_stride;
+
+ if ((y & 3) == 0 && (y + 3) < y_range && min_block_height >= 16) {
+ // If we are on a row which is a multiple of 4, and the minimum height is
+ // 16 pixels, then the current and right 3 cols must contain the same
+ // prediction block. This is because dim 16 can only happen every unit of
+ // 4 mi's.
+ use_filter_type = USE_QUAD;
+ y += 3;
+ } else if ((y + 1) < y_range && min_block_height >= 8) {
+ use_filter_type = USE_DUAL;
+ y += 1;
+ }
+
+ 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, cm->seq_params, use_filter_type);
+
+ // 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_opt_chroma(
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ 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, int plane, bool joint_filter_chroma,
+ int num_mis_in_lpf_unit_height_log2) {
+ const uint32_t scale_horz = plane_ptr->subsampling_x;
+ const uint32_t scale_vert = plane_ptr->subsampling_y;
+ const int dst_stride = plane_ptr->dst.stride;
+ // Ensure that mi_cols/mi_rows are calculated based on frame dimension aligned
+ // to MI_SIZE.
+ const int mi_cols =
+ ((plane_ptr->dst.width << scale_horz) + MI_SIZE - 1) >> MI_SIZE_LOG2;
+ const int mi_rows =
+ ((plane_ptr->dst.height << scale_vert) + MI_SIZE - 1) >> MI_SIZE_LOG2;
+ const int plane_mi_rows = ROUND_POWER_OF_TWO(mi_rows, scale_vert);
+ const int plane_mi_cols = ROUND_POWER_OF_TWO(mi_cols, scale_horz);
+ const int y_range =
+ AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)),
+ ((1 << num_mis_in_lpf_unit_height_log2) >> scale_vert));
+ const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)),
+ (MAX_MIB_SIZE >> scale_horz));
+ const ptrdiff_t mode_step = (ptrdiff_t)1 << scale_horz;
+
+ for (int y = 0; y < y_range; y++) {
+ const uint32_t curr_y = mi_row + (y << scale_vert);
+ const uint32_t x_start = mi_col + (0 << scale_horz);
+ const uint32_t x_end = mi_col + (x_range << scale_horz);
+ int min_height = tx_size_high[TX_64X64];
+ set_lpf_parameters_for_line_chroma(params_buf, tx_buf, cm, xd, VERT_EDGE,
+ x_start, curr_y, plane_ptr, x_end,
+ mode_step, scale_horz, scale_vert,
+ &min_height, plane, joint_filter_chroma);
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ int use_filter_type = USE_SINGLE;
+ int y_inc = 0;
+
+ if ((y & 3) == 0 && (y + 3) < y_range && min_height >= 16) {
+ // If we are on a row which is a multiple of 4, and the minimum height is
+ // 16 pixels, then the current and below 3 rows must contain the same tx
+ // block. This is because dim 16 can only happen every unit of 4 mi's.
+ use_filter_type = USE_QUAD;
+ y_inc = 3;
+ } else if (y % 2 == 0 && (y + 1) < y_range && min_height >= 8) {
+ // 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.
+ use_filter_type = USE_DUAL;
+ y_inc = 1;
+ }
+
+ 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;
+ }
+
+ const int offset = y * MI_SIZE * dst_stride + x * MI_SIZE;
+ if (joint_filter_chroma) {
+ uint8_t *u_dst = plane_ptr[0].dst.buf + offset;
+ uint8_t *v_dst = plane_ptr[1].dst.buf + offset;
+ filter_vert_chroma(u_dst, v_dst, dst_stride, params, cm->seq_params,
+ use_filter_type);
+ } else {
+ uint8_t *dst_ptr = plane_ptr->dst.buf + offset;
+ filter_vert(dst_ptr, dst_stride, params, cm->seq_params,
+ use_filter_type);
+ }
+
+ // advance the destination pointer
+ const uint32_t advance_units = tx_size_wide_unit[*tx_size];
+ x += advance_units;
+ params += advance_units;
+ tx_size += advance_units;
+ }
+ y += y_inc;
+ }
+}
+
+static AOM_INLINE void filter_horz(uint8_t *dst, int dst_stride,
+ const AV1_DEBLOCKING_PARAMETERS *params,
+ const SequenceHeader *seq_params,
+ USE_FILTER_TYPE use_filter_type) {
+ const loop_filter_thresh *limits = params->lfthr;
+#if CONFIG_AV1_HIGHBITDEPTH
+ const int use_highbitdepth = seq_params->use_highbitdepth;
+ const aom_bit_depth_t bit_depth = seq_params->bit_depth;
+ if (use_highbitdepth) {
+ uint16_t *dst_shortptr = CONVERT_TO_SHORTPTR(dst);
+ if (use_filter_type == USE_QUAD) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_horizontal_4_dual(
+ dst_shortptr + (2 * MI_SIZE), dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, limits->mblim, limits->lim,
+ limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_horizontal_6_dual(
+ dst_shortptr + (2 * MI_SIZE), dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, limits->mblim, limits->lim,
+ limits->hev_thr, bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_horizontal_8_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_horizontal_8_dual(
+ dst_shortptr + (2 * MI_SIZE), dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, limits->mblim, limits->lim,
+ limits->hev_thr, bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_horizontal_14_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ aom_highbd_lpf_horizontal_14_dual(
+ dst_shortptr + (2 * MI_SIZE), dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, limits->mblim, limits->lim,
+ limits->hev_thr, bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_horizontal_8_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_horizontal_14_dual(
+ dst_shortptr, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr, limits->mblim, limits->lim, limits->hev_thr,
+ bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_highbd_lpf_horizontal_8(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_highbd_lpf_horizontal_14(dst_shortptr, dst_stride, limits->mblim,
+ limits->lim, limits->hev_thr, bit_depth);
+ break;
+ // no filtering
+ default: break;
+ }
+ }
+ return;
+ }
+#endif // CONFIG_AV1_HIGHBITDEPTH
+ if (use_filter_type == USE_QUAD) {
+ // Only one set of loop filter parameters (mblim, lim and hev_thr) is
+ // passed as argument to quad loop filter because quad loop filter is
+ // called for those cases where all the 4 set of loop filter parameters
+ // are equal.
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_horizontal_4_quad(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_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_lpf_horizontal_8_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // apply 14-tap filtering
+ case 14:
+ aom_lpf_horizontal_14_quad(dst, dst_stride, limits->mblim, limits->lim,
+ limits->hev_thr);
+ break;
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == 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 {
+ assert(use_filter_type == USE_SINGLE);
+ 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;
+ }
+ }
+#if !CONFIG_AV1_HIGHBITDEPTH
+ (void)seq_params;
+#endif // !CONFIG_AV1_HIGHBITDEPTH
+}
+
+static AOM_INLINE void filter_horz_chroma(
+ uint8_t *u_dst, uint8_t *v_dst, int dst_stride,
+ const AV1_DEBLOCKING_PARAMETERS *params, const SequenceHeader *seq_params,
+ USE_FILTER_TYPE use_filter_type) {
+ const loop_filter_thresh *u_limits = params->lfthr;
+ const loop_filter_thresh *v_limits = params->lfthr;
+#if CONFIG_AV1_HIGHBITDEPTH
+ const int use_highbitdepth = seq_params->use_highbitdepth;
+ const aom_bit_depth_t bit_depth = seq_params->bit_depth;
+ if (use_highbitdepth) {
+ uint16_t *u_dst_shortptr = CONVERT_TO_SHORTPTR(u_dst);
+ uint16_t *v_dst_shortptr = CONVERT_TO_SHORTPTR(v_dst);
+ if (use_filter_type == USE_QUAD) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_4_dual(
+ u_dst_shortptr + (2 * MI_SIZE), dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_4_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_4_dual(
+ v_dst_shortptr + (2 * MI_SIZE), dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_6_dual(
+ u_dst_shortptr + (2 * MI_SIZE), dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_6_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_6_dual(
+ v_dst_shortptr + (2 * MI_SIZE), dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_4_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6_dual(
+ u_dst_shortptr, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_6_dual(
+ v_dst_shortptr, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_highbd_lpf_horizontal_4(u_dst_shortptr, dst_stride,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_4(v_dst_shortptr, dst_stride,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_highbd_lpf_horizontal_6(u_dst_shortptr, dst_stride,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr, bit_depth);
+ aom_highbd_lpf_horizontal_6(v_dst_shortptr, dst_stride,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr, bit_depth);
+ break;
+ case 8:
+ case 14: assert(0); break;
+ // no filtering
+ default: break;
+ }
+ }
+ return;
+ }
+#endif // CONFIG_AV1_HIGHBITDEPTH
+ if (use_filter_type == USE_QUAD) {
+ // Only one set of loop filter parameters (mblim, lim and hev_thr) is
+ // passed as argument to quad loop filter because quad loop filter is
+ // called for those cases where all the 4 set of loop filter parameters
+ // are equal.
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_horizontal_4_quad(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr);
+ aom_lpf_horizontal_4_quad(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_horizontal_6_quad(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr);
+ aom_lpf_horizontal_6_quad(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else if (use_filter_type == USE_DUAL) {
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_horizontal_4_dual(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_horizontal_4_dual(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_horizontal_6_dual(u_dst, dst_stride, u_limits->mblim,
+ u_limits->lim, u_limits->hev_thr,
+ u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_horizontal_6_dual(v_dst, dst_stride, v_limits->mblim,
+ v_limits->lim, v_limits->hev_thr,
+ v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0);
+ // no filtering
+ default: break;
+ }
+ } else {
+ assert(use_filter_type == USE_SINGLE);
+ switch (params->filter_length) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_horizontal_4(u_dst, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_horizontal_4(v_dst, dst_stride, v_limits->mblim, v_limits->lim,
+ u_limits->hev_thr);
+ break;
+ case 6: // apply 6-tap filter for chroma plane only
+ aom_lpf_horizontal_6(u_dst, dst_stride, u_limits->mblim, u_limits->lim,
+ u_limits->hev_thr);
+ aom_lpf_horizontal_6(v_dst, dst_stride, v_limits->mblim, v_limits->lim,
+ v_limits->hev_thr);
+ break;
+ case 8:
+ case 14: assert(0); break;
+ // no filtering
+ default: break;
+ }
+ }
+#if !CONFIG_AV1_HIGHBITDEPTH
+ (void)seq_params;
+#endif // !CONFIG_AV1_HIGHBITDEPTH
+}
+
+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(&params, 0, sizeof(params));
+
+ tx_size = set_lpf_parameters(
+ &params, (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;
+ }
+
+ filter_horz(p, dst_stride, &params, cm->seq_params, USE_SINGLE);
+
+ // 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_opt(
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ 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, int num_mis_in_lpf_unit_height_log2) {
+ uint8_t *const dst_ptr = plane_ptr->dst.buf;
+ const int dst_stride = plane_ptr->dst.stride;
+ // Ensure that mi_cols/mi_rows are calculated based on frame dimension aligned
+ // to MI_SIZE.
+ const int plane_mi_cols =
+ CEIL_POWER_OF_TWO(plane_ptr->dst.width, MI_SIZE_LOG2);
+ const int plane_mi_rows =
+ CEIL_POWER_OF_TWO(plane_ptr->dst.height, MI_SIZE_LOG2);
+ const int y_range = AOMMIN((int)(plane_mi_rows - mi_row),
+ (1 << num_mis_in_lpf_unit_height_log2));
+ const int x_range = AOMMIN((int)(plane_mi_cols - mi_col), MAX_MIB_SIZE);
+
+ const ptrdiff_t mode_step = cm->mi_params.mi_stride;
+ for (int x = 0; x < x_range; x++) {
+ const uint32_t curr_x = mi_col + x;
+ const uint32_t y_start = mi_row;
+ const uint32_t y_end = mi_row + y_range;
+ int min_block_width = block_size_high[BLOCK_128X128];
+ set_lpf_parameters_for_line_luma(params_buf, tx_buf, cm, xd, HORZ_EDGE,
+ curr_x, y_start, plane_ptr, y_end,
+ mode_step, &min_block_width);
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ USE_FILTER_TYPE filter_type = USE_SINGLE;
+
+ uint8_t *p = dst_ptr + x * MI_SIZE;
+
+ if ((x & 3) == 0 && (x + 3) < x_range && min_block_width >= 16) {
+ // If we are on a col which is a multiple of 4, and the minimum width is
+ // 16 pixels, then the current and right 3 cols must contain the same
+ // prediction block. This is because dim 16 can only happen every unit of
+ // 4 mi's.
+ filter_type = USE_QUAD;
+ x += 3;
+ } else if ((x + 1) < x_range && min_block_width >= 8) {
+ filter_type = USE_DUAL;
+ x += 1;
+ }
+
+ 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, cm->seq_params, filter_type);
+
+ // 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_opt_chroma(
+ const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
+ 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, int plane, bool joint_filter_chroma,
+ int num_mis_in_lpf_unit_height_log2) {
+ const uint32_t scale_horz = plane_ptr->subsampling_x;
+ const uint32_t scale_vert = plane_ptr->subsampling_y;
+ const int dst_stride = plane_ptr->dst.stride;
+ // Ensure that mi_cols/mi_rows are calculated based on frame dimension aligned
+ // to MI_SIZE.
+ const int mi_cols =
+ ((plane_ptr->dst.width << scale_horz) + MI_SIZE - 1) >> MI_SIZE_LOG2;
+ const int mi_rows =
+ ((plane_ptr->dst.height << scale_vert) + MI_SIZE - 1) >> MI_SIZE_LOG2;
+ const int plane_mi_rows = ROUND_POWER_OF_TWO(mi_rows, scale_vert);
+ const int plane_mi_cols = ROUND_POWER_OF_TWO(mi_cols, scale_horz);
+ const int y_range =
+ AOMMIN((int)(plane_mi_rows - (mi_row >> scale_vert)),
+ ((1 << num_mis_in_lpf_unit_height_log2) >> scale_vert));
+ const int x_range = AOMMIN((int)(plane_mi_cols - (mi_col >> scale_horz)),
+ (MAX_MIB_SIZE >> scale_horz));
+ const ptrdiff_t mode_step = cm->mi_params.mi_stride << scale_vert;
+ for (int x = 0; x < x_range; x++) {
+ const uint32_t y_start = mi_row + (0 << scale_vert);
+ const uint32_t curr_x = mi_col + (x << scale_horz);
+ const uint32_t y_end = mi_row + (y_range << scale_vert);
+ int min_width = tx_size_wide[TX_64X64];
+ set_lpf_parameters_for_line_chroma(params_buf, tx_buf, cm, xd, HORZ_EDGE,
+ curr_x, y_start, plane_ptr, y_end,
+ mode_step, scale_horz, scale_vert,
+ &min_width, plane, joint_filter_chroma);
+
+ AV1_DEBLOCKING_PARAMETERS *params = params_buf;
+ TX_SIZE *tx_size = tx_buf;
+ USE_FILTER_TYPE use_filter_type = USE_SINGLE;
+ int x_inc = 0;
+
+ if ((x & 3) == 0 && (x + 3) < x_range && min_width >= 16) {
+ // If we are on a col which is a multiple of 4, and the minimum width is
+ // 16 pixels, then the current and right 3 cols must contain the same tx
+ // block. This is because dim 16 can only happen every unit of 4 mi's.
+ use_filter_type = USE_QUAD;
+ x_inc = 3;
+ } else if (x % 2 == 0 && (x + 1) < x_range && min_width >= 8) {
+ // 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.
+ use_filter_type = USE_DUAL;
+ x_inc = 1;
+ }
+
+ 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;
+ }
+
+ const int offset = y * MI_SIZE * dst_stride + x * MI_SIZE;
+ if (joint_filter_chroma) {
+ uint8_t *u_dst = plane_ptr[0].dst.buf + offset;
+ uint8_t *v_dst = plane_ptr[1].dst.buf + offset;
+ filter_horz_chroma(u_dst, v_dst, dst_stride, params, cm->seq_params,
+ use_filter_type);
+ } else {
+ uint8_t *dst_ptr = plane_ptr->dst.buf + offset;
+ filter_horz(dst_ptr, dst_stride, params, cm->seq_params,
+ use_filter_type);
+ }
+
+ // advance the destination pointer
+ const int advance_units = tx_size_high_unit[*tx_size];
+ y += advance_units;
+ params += advance_units;
+ tx_size += advance_units;
+ }
+ x += x_inc;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 07:56:57 +0000