| /* |
| * Copyright © 2018, VideoLAN and dav1d authors |
| * Copyright © 2018, Two Orioles, LLC |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include <string.h> |
| |
| #include "common/intops.h" |
| |
| #include "src/lf_apply.h" |
| #include "src/lr_apply.h" |
| |
| // The loop filter buffer stores 12 rows of pixels. A superblock block will |
| // contain at most 2 stripes. Each stripe requires 4 rows pixels (2 above |
| // and 2 below) the final 4 rows are used to swap the bottom of the last |
| // stripe with the top of the next super block row. |
| static void backup_lpf(const Dav1dFrameContext *const f, |
| pixel *dst, const ptrdiff_t dst_stride, |
| const pixel *src, const ptrdiff_t src_stride, |
| const int ss_ver, const int sb128, |
| int row, const int row_h, const int src_w, |
| const int h, const int ss_hor, const int lr_backup) |
| { |
| const int cdef_backup = !lr_backup; |
| const int dst_w = f->frame_hdr->super_res.enabled ? |
| (f->frame_hdr->width[1] + ss_hor) >> ss_hor : src_w; |
| |
| // The first stripe of the frame is shorter by 8 luma pixel rows. |
| int stripe_h = ((64 << (cdef_backup & sb128)) - 8 * !row) >> ss_ver; |
| src += (stripe_h - 2) * PXSTRIDE(src_stride); |
| |
| if (f->c->n_tc == 1) { |
| if (row) { |
| const int top = 4 << sb128; |
| // Copy the top part of the stored loop filtered pixels from the |
| // previous sb row needed above the first stripe of this sb row. |
| pixel_copy(&dst[PXSTRIDE(dst_stride) * 0], |
| &dst[PXSTRIDE(dst_stride) * top], dst_w); |
| pixel_copy(&dst[PXSTRIDE(dst_stride) * 1], |
| &dst[PXSTRIDE(dst_stride) * (top + 1)], dst_w); |
| pixel_copy(&dst[PXSTRIDE(dst_stride) * 2], |
| &dst[PXSTRIDE(dst_stride) * (top + 2)], dst_w); |
| pixel_copy(&dst[PXSTRIDE(dst_stride) * 3], |
| &dst[PXSTRIDE(dst_stride) * (top + 3)], dst_w); |
| } |
| dst += 4 * PXSTRIDE(dst_stride); |
| } |
| |
| if (lr_backup && (f->frame_hdr->width[0] != f->frame_hdr->width[1])) { |
| while (row + stripe_h <= row_h) { |
| const int n_lines = 4 - (row + stripe_h + 1 == h); |
| f->dsp->mc.resize(dst, dst_stride, src, src_stride, |
| dst_w, n_lines, src_w, f->resize_step[ss_hor], |
| f->resize_start[ss_hor] HIGHBD_CALL_SUFFIX); |
| row += stripe_h; // unmodified stripe_h for the 1st stripe |
| stripe_h = 64 >> ss_ver; |
| src += stripe_h * PXSTRIDE(src_stride); |
| dst += n_lines * PXSTRIDE(dst_stride); |
| if (n_lines == 3) { |
| pixel_copy(dst, &dst[-PXSTRIDE(dst_stride)], dst_w); |
| dst += PXSTRIDE(dst_stride); |
| } |
| } |
| } else { |
| while (row + stripe_h <= row_h) { |
| const int n_lines = 4 - (row + stripe_h + 1 == h); |
| for (int i = 0; i < 4; i++) { |
| pixel_copy(dst, i == n_lines ? &dst[-PXSTRIDE(dst_stride)] : |
| src, src_w); |
| dst += PXSTRIDE(dst_stride); |
| src += PXSTRIDE(src_stride); |
| } |
| row += stripe_h; // unmodified stripe_h for the 1st stripe |
| stripe_h = 64 >> ss_ver; |
| src += (stripe_h - 4) * PXSTRIDE(src_stride); |
| } |
| } |
| } |
| |
| void bytefn(dav1d_copy_lpf)(Dav1dFrameContext *const f, |
| /*const*/ pixel *const src[3], const int sby) |
| { |
| const int have_tt = f->c->n_tc > 1; |
| const int resize = f->frame_hdr->width[0] != f->frame_hdr->width[1]; |
| const int offset = 8 * !!sby; |
| const ptrdiff_t *const src_stride = f->cur.stride; |
| const ptrdiff_t *const lr_stride = f->sr_cur.p.stride; |
| const int tt_off = have_tt * sby * (4 << f->seq_hdr->sb128); |
| pixel *const dst[3] = { |
| f->lf.lr_lpf_line[0] + tt_off * PXSTRIDE(lr_stride[0]), |
| f->lf.lr_lpf_line[1] + tt_off * PXSTRIDE(lr_stride[1]), |
| f->lf.lr_lpf_line[2] + tt_off * PXSTRIDE(lr_stride[1]) |
| }; |
| |
| // TODO Also check block level restore type to reduce copying. |
| const int restore_planes = f->lf.restore_planes; |
| |
| if (f->seq_hdr->cdef || restore_planes & LR_RESTORE_Y) { |
| const int h = f->cur.p.h; |
| const int w = f->bw << 2; |
| const int row_h = imin((sby + 1) << (6 + f->seq_hdr->sb128), h - 1); |
| const int y_stripe = (sby << (6 + f->seq_hdr->sb128)) - offset; |
| if (restore_planes & LR_RESTORE_Y || !resize) |
| backup_lpf(f, dst[0], lr_stride[0], |
| src[0] - offset * PXSTRIDE(src_stride[0]), src_stride[0], |
| 0, f->seq_hdr->sb128, y_stripe, row_h, w, h, 0, 1); |
| if (have_tt && resize) { |
| const ptrdiff_t cdef_off_y = sby * 4 * PXSTRIDE(src_stride[0]); |
| backup_lpf(f, f->lf.cdef_lpf_line[0] + cdef_off_y, src_stride[0], |
| src[0] - offset * PXSTRIDE(src_stride[0]), src_stride[0], |
| 0, f->seq_hdr->sb128, y_stripe, row_h, w, h, 0, 0); |
| } |
| } |
| if ((f->seq_hdr->cdef || restore_planes & (LR_RESTORE_U | LR_RESTORE_V)) && |
| f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400) |
| { |
| const int ss_ver = f->sr_cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; |
| const int ss_hor = f->sr_cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; |
| const int h = (f->cur.p.h + ss_ver) >> ss_ver; |
| const int w = f->bw << (2 - ss_hor); |
| const int row_h = imin((sby + 1) << ((6 - ss_ver) + f->seq_hdr->sb128), h - 1); |
| const int offset_uv = offset >> ss_ver; |
| const int y_stripe = (sby << ((6 - ss_ver) + f->seq_hdr->sb128)) - offset_uv; |
| const ptrdiff_t cdef_off_uv = sby * 4 * PXSTRIDE(src_stride[1]); |
| if (f->seq_hdr->cdef || restore_planes & LR_RESTORE_U) { |
| if (restore_planes & LR_RESTORE_U || !resize) |
| backup_lpf(f, dst[1], lr_stride[1], |
| src[1] - offset_uv * PXSTRIDE(src_stride[1]), |
| src_stride[1], ss_ver, f->seq_hdr->sb128, y_stripe, |
| row_h, w, h, ss_hor, 1); |
| if (have_tt && resize) |
| backup_lpf(f, f->lf.cdef_lpf_line[1] + cdef_off_uv, src_stride[1], |
| src[1] - offset_uv * PXSTRIDE(src_stride[1]), |
| src_stride[1], ss_ver, f->seq_hdr->sb128, y_stripe, |
| row_h, w, h, ss_hor, 0); |
| } |
| if (f->seq_hdr->cdef || restore_planes & LR_RESTORE_V) { |
| if (restore_planes & LR_RESTORE_V || !resize) |
| backup_lpf(f, dst[2], lr_stride[1], |
| src[2] - offset_uv * PXSTRIDE(src_stride[1]), |
| src_stride[1], ss_ver, f->seq_hdr->sb128, y_stripe, |
| row_h, w, h, ss_hor, 1); |
| if (have_tt && resize) |
| backup_lpf(f, f->lf.cdef_lpf_line[2] + cdef_off_uv, src_stride[1], |
| src[2] - offset_uv * PXSTRIDE(src_stride[1]), |
| src_stride[1], ss_ver, f->seq_hdr->sb128, y_stripe, |
| row_h, w, h, ss_hor, 0); |
| } |
| } |
| } |
| |
| static inline void filter_plane_cols_y(const Dav1dFrameContext *const f, |
| const int have_left, |
| const uint8_t (*lvl)[4], |
| const ptrdiff_t b4_stride, |
| const uint16_t (*const mask)[3][2], |
| pixel *dst, const ptrdiff_t ls, |
| const int w, |
| const int starty4, const int endy4) |
| { |
| const Dav1dDSPContext *const dsp = f->dsp; |
| |
| // filter edges between columns (e.g. block1 | block2) |
| for (int x = 0; x < w; x++) { |
| if (!have_left && !x) continue; |
| uint32_t hmask[4]; |
| if (!starty4) { |
| hmask[0] = mask[x][0][0]; |
| hmask[1] = mask[x][1][0]; |
| hmask[2] = mask[x][2][0]; |
| if (endy4 > 16) { |
| hmask[0] |= (unsigned) mask[x][0][1] << 16; |
| hmask[1] |= (unsigned) mask[x][1][1] << 16; |
| hmask[2] |= (unsigned) mask[x][2][1] << 16; |
| } |
| } else { |
| hmask[0] = mask[x][0][1]; |
| hmask[1] = mask[x][1][1]; |
| hmask[2] = mask[x][2][1]; |
| } |
| hmask[3] = 0; |
| dsp->lf.loop_filter_sb[0][0](&dst[x * 4], ls, hmask, |
| (const uint8_t(*)[4]) &lvl[x][0], b4_stride, |
| &f->lf.lim_lut, endy4 - starty4 HIGHBD_CALL_SUFFIX); |
| } |
| } |
| |
| static inline void filter_plane_rows_y(const Dav1dFrameContext *const f, |
| const int have_top, |
| const uint8_t (*lvl)[4], |
| const ptrdiff_t b4_stride, |
| const uint16_t (*const mask)[3][2], |
| pixel *dst, const ptrdiff_t ls, |
| const int w, |
| const int starty4, const int endy4) |
| { |
| const Dav1dDSPContext *const dsp = f->dsp; |
| |
| // block1 |
| // filter edges between rows (e.g. ------) |
| // block2 |
| for (int y = starty4; y < endy4; |
| y++, dst += 4 * PXSTRIDE(ls), lvl += b4_stride) |
| { |
| if (!have_top && !y) continue; |
| const uint32_t vmask[4] = { |
| mask[y][0][0] | ((unsigned) mask[y][0][1] << 16), |
| mask[y][1][0] | ((unsigned) mask[y][1][1] << 16), |
| mask[y][2][0] | ((unsigned) mask[y][2][1] << 16), |
| 0, |
| }; |
| dsp->lf.loop_filter_sb[0][1](dst, ls, vmask, |
| (const uint8_t(*)[4]) &lvl[0][1], b4_stride, |
| &f->lf.lim_lut, w HIGHBD_CALL_SUFFIX); |
| } |
| } |
| |
| static inline void filter_plane_cols_uv(const Dav1dFrameContext *const f, |
| const int have_left, |
| const uint8_t (*lvl)[4], |
| const ptrdiff_t b4_stride, |
| const uint16_t (*const mask)[2][2], |
| pixel *const u, pixel *const v, |
| const ptrdiff_t ls, const int w, |
| const int starty4, const int endy4, |
| const int ss_ver) |
| { |
| const Dav1dDSPContext *const dsp = f->dsp; |
| |
| // filter edges between columns (e.g. block1 | block2) |
| for (int x = 0; x < w; x++) { |
| if (!have_left && !x) continue; |
| uint32_t hmask[3]; |
| if (!starty4) { |
| hmask[0] = mask[x][0][0]; |
| hmask[1] = mask[x][1][0]; |
| if (endy4 > (16 >> ss_ver)) { |
| hmask[0] |= (unsigned) mask[x][0][1] << (16 >> ss_ver); |
| hmask[1] |= (unsigned) mask[x][1][1] << (16 >> ss_ver); |
| } |
| } else { |
| hmask[0] = mask[x][0][1]; |
| hmask[1] = mask[x][1][1]; |
| } |
| hmask[2] = 0; |
| dsp->lf.loop_filter_sb[1][0](&u[x * 4], ls, hmask, |
| (const uint8_t(*)[4]) &lvl[x][2], b4_stride, |
| &f->lf.lim_lut, endy4 - starty4 HIGHBD_CALL_SUFFIX); |
| dsp->lf.loop_filter_sb[1][0](&v[x * 4], ls, hmask, |
| (const uint8_t(*)[4]) &lvl[x][3], b4_stride, |
| &f->lf.lim_lut, endy4 - starty4 HIGHBD_CALL_SUFFIX); |
| } |
| } |
| |
| static inline void filter_plane_rows_uv(const Dav1dFrameContext *const f, |
| const int have_top, |
| const uint8_t (*lvl)[4], |
| const ptrdiff_t b4_stride, |
| const uint16_t (*const mask)[2][2], |
| pixel *const u, pixel *const v, |
| const ptrdiff_t ls, const int w, |
| const int starty4, const int endy4, |
| const int ss_hor) |
| { |
| const Dav1dDSPContext *const dsp = f->dsp; |
| ptrdiff_t off_l = 0; |
| |
| // block1 |
| // filter edges between rows (e.g. ------) |
| // block2 |
| for (int y = starty4; y < endy4; |
| y++, off_l += 4 * PXSTRIDE(ls), lvl += b4_stride) |
| { |
| if (!have_top && !y) continue; |
| const uint32_t vmask[3] = { |
| mask[y][0][0] | ((unsigned) mask[y][0][1] << (16 >> ss_hor)), |
| mask[y][1][0] | ((unsigned) mask[y][1][1] << (16 >> ss_hor)), |
| 0, |
| }; |
| dsp->lf.loop_filter_sb[1][1](&u[off_l], ls, vmask, |
| (const uint8_t(*)[4]) &lvl[0][2], b4_stride, |
| &f->lf.lim_lut, w HIGHBD_CALL_SUFFIX); |
| dsp->lf.loop_filter_sb[1][1](&v[off_l], ls, vmask, |
| (const uint8_t(*)[4]) &lvl[0][3], b4_stride, |
| &f->lf.lim_lut, w HIGHBD_CALL_SUFFIX); |
| } |
| } |
| |
| void bytefn(dav1d_loopfilter_sbrow_cols)(const Dav1dFrameContext *const f, |
| pixel *const p[3], Av1Filter *const lflvl, |
| int sby, const int start_of_tile_row) |
| { |
| int x, have_left; |
| // Don't filter outside the frame |
| const int is_sb64 = !f->seq_hdr->sb128; |
| const int starty4 = (sby & is_sb64) << 4; |
| const int sbsz = 32 >> is_sb64; |
| const int sbl2 = 5 - is_sb64; |
| const int halign = (f->bh + 31) & ~31; |
| const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; |
| const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; |
| const int vmask = 16 >> ss_ver, hmask = 16 >> ss_hor; |
| const unsigned vmax = 1U << vmask, hmax = 1U << hmask; |
| const unsigned endy4 = starty4 + imin(f->h4 - sby * sbsz, sbsz); |
| const unsigned uv_endy4 = (endy4 + ss_ver) >> ss_ver; |
| |
| // fix lpf strength at tile col boundaries |
| const uint8_t *lpf_y = &f->lf.tx_lpf_right_edge[0][sby << sbl2]; |
| const uint8_t *lpf_uv = &f->lf.tx_lpf_right_edge[1][sby << (sbl2 - ss_ver)]; |
| for (int tile_col = 1;; tile_col++) { |
| x = f->frame_hdr->tiling.col_start_sb[tile_col]; |
| if ((x << sbl2) >= f->bw) break; |
| const int bx4 = x & is_sb64 ? 16 : 0, cbx4 = bx4 >> ss_hor; |
| x >>= is_sb64; |
| |
| uint16_t (*const y_hmask)[2] = lflvl[x].filter_y[0][bx4]; |
| for (unsigned y = starty4, mask = 1 << y; y < endy4; y++, mask <<= 1) { |
| const int sidx = mask >= 0x10000U; |
| const unsigned smask = mask >> (sidx << 4); |
| const int idx = 2 * !!(y_hmask[2][sidx] & smask) + |
| !!(y_hmask[1][sidx] & smask); |
| y_hmask[2][sidx] &= ~smask; |
| y_hmask[1][sidx] &= ~smask; |
| y_hmask[0][sidx] &= ~smask; |
| y_hmask[imin(idx, lpf_y[y - starty4])][sidx] |= smask; |
| } |
| |
| if (f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400) { |
| uint16_t (*const uv_hmask)[2] = lflvl[x].filter_uv[0][cbx4]; |
| for (unsigned y = starty4 >> ss_ver, uv_mask = 1 << y; y < uv_endy4; |
| y++, uv_mask <<= 1) |
| { |
| const int sidx = uv_mask >= vmax; |
| const unsigned smask = uv_mask >> (sidx << (4 - ss_ver)); |
| const int idx = !!(uv_hmask[1][sidx] & smask); |
| uv_hmask[1][sidx] &= ~smask; |
| uv_hmask[0][sidx] &= ~smask; |
| uv_hmask[imin(idx, lpf_uv[y - (starty4 >> ss_ver)])][sidx] |= smask; |
| } |
| } |
| lpf_y += halign; |
| lpf_uv += halign >> ss_ver; |
| } |
| |
| // fix lpf strength at tile row boundaries |
| if (start_of_tile_row) { |
| const BlockContext *a; |
| for (x = 0, a = &f->a[f->sb128w * (start_of_tile_row - 1)]; |
| x < f->sb128w; x++, a++) |
| { |
| uint16_t (*const y_vmask)[2] = lflvl[x].filter_y[1][starty4]; |
| const unsigned w = imin(32, f->w4 - (x << 5)); |
| for (unsigned mask = 1, i = 0; i < w; mask <<= 1, i++) { |
| const int sidx = mask >= 0x10000U; |
| const unsigned smask = mask >> (sidx << 4); |
| const int idx = 2 * !!(y_vmask[2][sidx] & smask) + |
| !!(y_vmask[1][sidx] & smask); |
| y_vmask[2][sidx] &= ~smask; |
| y_vmask[1][sidx] &= ~smask; |
| y_vmask[0][sidx] &= ~smask; |
| y_vmask[imin(idx, a->tx_lpf_y[i])][sidx] |= smask; |
| } |
| |
| if (f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400) { |
| const unsigned cw = (w + ss_hor) >> ss_hor; |
| uint16_t (*const uv_vmask)[2] = lflvl[x].filter_uv[1][starty4 >> ss_ver]; |
| for (unsigned uv_mask = 1, i = 0; i < cw; uv_mask <<= 1, i++) { |
| const int sidx = uv_mask >= hmax; |
| const unsigned smask = uv_mask >> (sidx << (4 - ss_hor)); |
| const int idx = !!(uv_vmask[1][sidx] & smask); |
| uv_vmask[1][sidx] &= ~smask; |
| uv_vmask[0][sidx] &= ~smask; |
| uv_vmask[imin(idx, a->tx_lpf_uv[i])][sidx] |= smask; |
| } |
| } |
| } |
| } |
| |
| pixel *ptr; |
| uint8_t (*level_ptr)[4] = f->lf.level + f->b4_stride * sby * sbsz; |
| for (ptr = p[0], have_left = 0, x = 0; x < f->sb128w; |
| x++, have_left = 1, ptr += 128, level_ptr += 32) |
| { |
| filter_plane_cols_y(f, have_left, level_ptr, f->b4_stride, |
| lflvl[x].filter_y[0], ptr, f->cur.stride[0], |
| imin(32, f->w4 - x * 32), starty4, endy4); |
| } |
| |
| if (!f->frame_hdr->loopfilter.level_u && !f->frame_hdr->loopfilter.level_v) |
| return; |
| |
| ptrdiff_t uv_off; |
| level_ptr = f->lf.level + f->b4_stride * (sby * sbsz >> ss_ver); |
| for (uv_off = 0, have_left = 0, x = 0; x < f->sb128w; |
| x++, have_left = 1, uv_off += 128 >> ss_hor, level_ptr += 32 >> ss_hor) |
| { |
| filter_plane_cols_uv(f, have_left, level_ptr, f->b4_stride, |
| lflvl[x].filter_uv[0], |
| &p[1][uv_off], &p[2][uv_off], f->cur.stride[1], |
| (imin(32, f->w4 - x * 32) + ss_hor) >> ss_hor, |
| starty4 >> ss_ver, uv_endy4, ss_ver); |
| } |
| } |
| |
| void bytefn(dav1d_loopfilter_sbrow_rows)(const Dav1dFrameContext *const f, |
| pixel *const p[3], Av1Filter *const lflvl, |
| int sby) |
| { |
| int x; |
| // Don't filter outside the frame |
| const int have_top = sby > 0; |
| const int is_sb64 = !f->seq_hdr->sb128; |
| const int starty4 = (sby & is_sb64) << 4; |
| const int sbsz = 32 >> is_sb64; |
| const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; |
| const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; |
| const unsigned endy4 = starty4 + imin(f->h4 - sby * sbsz, sbsz); |
| const unsigned uv_endy4 = (endy4 + ss_ver) >> ss_ver; |
| |
| pixel *ptr; |
| uint8_t (*level_ptr)[4] = f->lf.level + f->b4_stride * sby * sbsz; |
| for (ptr = p[0], x = 0; x < f->sb128w; x++, ptr += 128, level_ptr += 32) { |
| filter_plane_rows_y(f, have_top, level_ptr, f->b4_stride, |
| lflvl[x].filter_y[1], ptr, f->cur.stride[0], |
| imin(32, f->w4 - x * 32), starty4, endy4); |
| } |
| |
| if (!f->frame_hdr->loopfilter.level_u && !f->frame_hdr->loopfilter.level_v) |
| return; |
| |
| ptrdiff_t uv_off; |
| level_ptr = f->lf.level + f->b4_stride * (sby * sbsz >> ss_ver); |
| for (uv_off = 0, x = 0; x < f->sb128w; |
| x++, uv_off += 128 >> ss_hor, level_ptr += 32 >> ss_hor) |
| { |
| filter_plane_rows_uv(f, have_top, level_ptr, f->b4_stride, |
| lflvl[x].filter_uv[1], |
| &p[1][uv_off], &p[2][uv_off], f->cur.stride[1], |
| (imin(32, f->w4 - x * 32) + ss_hor) >> ss_hor, |
| starty4 >> ss_ver, uv_endy4, ss_hor); |
| } |
| } |
