ref: 1abd783be7ba902290e0f906eb35679c3ece419b
dir: /src/recon.c/
/* * 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 <stdio.h> #include "common/attributes.h" #include "common/bitdepth.h" #include "common/dump.h" #include "common/intops.h" #include "common/mem.h" #include "src/cdef_apply.h" #include "src/ipred_prepare.h" #include "src/lf_apply.h" #include "src/lr_apply.h" #include "src/recon.h" #include "src/scan.h" #include "src/tables.h" #include "src/wedge.h" static unsigned read_golomb(MsacContext *const msac) { int len = 0; unsigned val = 1; while (!msac_decode_bool(msac, 128 << 7) && len < 32) len++; while (len--) val = (val << 1) | msac_decode_bool(msac, 128 << 7); return val - 1; } static int decode_coefs(Dav1dTileContext *const t, uint8_t *const a, uint8_t *const l, const enum RectTxfmSize tx, const enum BlockSize bs, const Av1Block *const b, const int intra, const int plane, coef *cf, enum TxfmType *const txtp, uint8_t *res_ctx) { Dav1dTileState *const ts = t->ts; const int chroma = !!plane; const Dav1dFrameContext *const f = t->f; const TxfmInfo *const t_dim = &av1_txfm_dimensions[tx]; const int dbg = DEBUG_BLOCK_INFO && plane && 0; if (dbg) printf("Start: r=%d\n", ts->msac.rng); // does this block have any non-zero coefficients const int sctx = get_coef_skip_ctx(t_dim, bs, a, l, chroma, f->cur.p.p.layout); const int all_skip = msac_decode_bool_adapt(&ts->msac, ts->cdf.coef.skip[t_dim->ctx][sctx]); if (dbg) printf("Post-non-zero[%d][%d][%d]: r=%d\n", t_dim->ctx, sctx, all_skip, ts->msac.rng); if (all_skip) { *res_ctx = 0x40; *txtp = f->frame_hdr.segmentation.lossless[b->seg_id] ? WHT_WHT : DCT_DCT; return -1; } // transform type (chroma: derived, luma: explicitly coded) if (chroma) { if (intra) { *txtp = get_uv_intra_txtp(b->uv_mode, tx, &f->frame_hdr, b->seg_id); } else { const enum TxfmType y_txtp = *txtp; *txtp = get_uv_inter_txtp(t_dim, y_txtp, &f->frame_hdr, b->seg_id); } } else { const enum TxfmTypeSet set = get_ext_txtp_set(tx, !intra, &f->frame_hdr, b->seg_id); const unsigned set_cnt = av1_tx_type_count[set]; unsigned idx; if (set_cnt == 1) { idx = 0; } else { const int set_idx = av1_tx_type_set_index[!intra][set]; const enum IntraPredMode y_mode_nofilt = b->y_mode == FILTER_PRED ? av1_filter_mode_to_y_mode[b->y_angle] : b->y_mode; uint16_t *const txtp_cdf = intra ? ts->cdf.m.txtp_intra[set_idx][t_dim->min][y_mode_nofilt] : ts->cdf.m.txtp_inter[set_idx][t_dim->min]; idx = msac_decode_symbol_adapt(&ts->msac, txtp_cdf, set_cnt); if (dbg) printf("Post-txtp[%d->%d][%d->%d][%d][%d->%d]: r=%d\n", set, set_idx, tx, t_dim->min, b->intra ? y_mode_nofilt : -1, idx, av1_tx_types_per_set[set][idx], ts->msac.rng); } *txtp = av1_tx_types_per_set[set][idx]; } // find end-of-block (eob) int eob_bin; const int tx2dszctx = imin(t_dim->lw, TX_32X32) + imin(t_dim->lh, TX_32X32); const enum TxClass tx_class = av1_tx_type_class[*txtp]; const int is_1d = tx_class != TX_CLASS_2D; switch (tx2dszctx) { #define case_sz(sz, bin) \ case sz: { \ uint16_t *const eob_bin_cdf = ts->cdf.coef.eob_bin_##bin[chroma][is_1d]; \ eob_bin = msac_decode_symbol_adapt(&ts->msac, eob_bin_cdf, 5 + sz); \ break; \ } case_sz(0, 16); case_sz(1, 32); case_sz(2, 64); case_sz(3, 128); case_sz(4, 256); case_sz(5, 512); case_sz(6, 1024); #undef case_sz } if (dbg) printf("Post-eob_bin_%d[%d][%d][%d]: r=%d\n", 16 << tx2dszctx, chroma, is_1d, eob_bin, ts->msac.rng); int eob; if (eob_bin > 1) { eob = 1 << (eob_bin - 1); uint16_t *const eob_hi_bit_cdf = ts->cdf.coef.eob_hi_bit[t_dim->ctx][chroma][eob_bin]; const int eob_hi_bit = msac_decode_bool_adapt(&ts->msac, eob_hi_bit_cdf); if (dbg) printf("Post-eob_hi_bit[%d][%d][%d][%d]: r=%d\n", t_dim->ctx, chroma, eob_bin, eob_hi_bit, ts->msac.rng); unsigned mask = eob >> 1; if (eob_hi_bit) eob |= mask; for (mask >>= 1; mask; mask >>= 1) { const int eob_bit = msac_decode_bool(&ts->msac, 128 << 7); if (eob_bit) eob |= mask; } if (dbg) printf("Post-eob[%d]: r=%d\n", eob, ts->msac.rng); } else { eob = eob_bin; } // base tokens uint16_t (*const br_cdf)[5] = ts->cdf.coef.br_tok[imin(t_dim->ctx, 3)][chroma]; const int16_t *const scan = av1_scans[tx][tx_class]; uint8_t levels[36 * 36]; ptrdiff_t stride = 4 * (imin(t_dim->h, 8) + 1); memset(levels, 0, stride * 4 * (imin(t_dim->w, 8) + 1)); const int shift = 2 + imin(t_dim->lh, 3), mask = 4 * imin(t_dim->h, 8) - 1; unsigned cul_level = 0; for (int i = eob, is_last = 1; i >= 0; i--, is_last = 0) { const int rc = scan[i], x = rc >> shift, y = rc & mask; // lo tok const int ctx = get_coef_nz_ctx(levels, i, rc, is_last, tx, tx_class); uint16_t *const lo_cdf = is_last ? ts->cdf.coef.eob_base_tok[t_dim->ctx][chroma][ctx] : ts->cdf.coef.base_tok[t_dim->ctx][chroma][ctx]; int tok = msac_decode_symbol_adapt(&ts->msac, lo_cdf, 4 - is_last) + is_last; if (dbg) printf("Post-lo_tok[%d][%d][%d][%d=%d=%d]: r=%d\n", t_dim->ctx, chroma, ctx, i, rc, tok, ts->msac.rng); if (!tok) continue; // hi tok if (tok == 3) { const int br_ctx = get_br_ctx(levels, rc, tx, tx_class); do { const int tok_br = msac_decode_symbol_adapt(&ts->msac, br_cdf[br_ctx], 4); if (dbg) printf("Post-hi_tok[%d][%d][%d][%d=%d=%d->%d]: r=%d\n", imin(t_dim->ctx, 3), chroma, br_ctx, i, rc, tok_br, tok, ts->msac.rng); tok += tok_br; if (tok_br < 3) break; } while (tok < 15); } levels[x * stride + y] = cf[rc] = tok; } // residual and sign int dc_sign = 1; const uint16_t *const dq_tbl = ts->dq[b->seg_id][plane]; const uint8_t *const qm_tbl = f->qm[is_1d || *txtp == IDTX][tx][plane]; const int dq_shift = imax(0, t_dim->ctx - 2); for (int i = 0; i <= eob; i++) { const int rc = scan[i]; int tok = cf[rc]; if (!tok) continue; int dq; // sign int sign; if (i == 0) { const int dc_sign_ctx = get_dc_sign_ctx(t_dim, a, l); uint16_t *const dc_sign_cdf = ts->cdf.coef.dc_sign[chroma][dc_sign_ctx]; sign = msac_decode_bool_adapt(&ts->msac, dc_sign_cdf); if (dbg) printf("Post-dc_sign[%d][%d][%d]: r=%d\n", chroma, dc_sign_ctx, sign, ts->msac.rng); dc_sign = sign ? 0 : 2; dq = (dq_tbl[0] * qm_tbl[0] + 16) >> 5; } else { sign = msac_decode_bool(&ts->msac, 128 << 7); if (dbg) printf("Post-sign[%d=%d=%d]: r=%d\n", i, rc, sign, ts->msac.rng); dq = (dq_tbl[1] * qm_tbl[rc] + 16) >> 5; } // residual if (tok == 15) { tok += read_golomb(&ts->msac); if (dbg) printf("Post-residual[%d=%d=%d->%d]: r=%d\n", i, rc, tok - 15, tok, ts->msac.rng); } // dequant cul_level += tok; tok *= dq; tok >>= dq_shift; cf[rc] = sign ? -tok : tok; } // context *res_ctx = imin(cul_level, 63) | (dc_sign << 6); return eob; } static void read_coef_tree(Dav1dTileContext *const t, const enum BlockSize bs, const Av1Block *const b, const enum RectTxfmSize ytx, const int depth, const uint16_t *const tx_split, const int x_off, const int y_off, pixel *dst) { const Dav1dFrameContext *const f = t->f; Dav1dTileState *const ts = t->ts; const Dav1dDSPContext *const dsp = f->dsp; const TxfmInfo *const t_dim = &av1_txfm_dimensions[ytx]; const int txw = t_dim->w, txh = t_dim->h; if (depth < 2 && tx_split[depth] & (1 << (y_off * 4 + x_off))) { const enum RectTxfmSize sub = t_dim->sub; const TxfmInfo *const sub_t_dim = &av1_txfm_dimensions[sub]; const int txsw = sub_t_dim->w, txsh = sub_t_dim->h; read_coef_tree(t, bs, b, sub, depth + 1, tx_split, x_off * 2 + 0, y_off * 2 + 0, dst); t->bx += txsw; if (txw >= txh && t->bx < f->bw) read_coef_tree(t, bs, b, sub, depth + 1, tx_split, x_off * 2 + 1, y_off * 2 + 0, dst ? &dst[4 * txsw] : NULL); t->bx -= txsw; t->by += txsh; if (txh >= txw && t->by < f->bh) { if (dst) dst += 4 * txsh * PXSTRIDE(f->cur.p.stride[0]); read_coef_tree(t, bs, b, sub, depth + 1, tx_split, x_off * 2 + 0, y_off * 2 + 1, dst); t->bx += txsw; if (txw >= txh && t->bx < f->bw) read_coef_tree(t, bs, b, sub, depth + 1, tx_split, x_off * 2 + 1, y_off * 2 + 1, dst ? &dst[4 * txsw] : NULL); t->bx -= txsw; } t->by -= txsh; } else { const int bx4 = t->bx & 31, by4 = t->by & 31; enum TxfmType txtp; uint8_t cf_ctx; int eob; coef *cf; struct CodedBlockInfo *cbi; if (f->frame_thread.pass) { cf = ts->frame_thread.cf; ts->frame_thread.cf += imin(t_dim->w, 8) * imin(t_dim->h, 8) * 16; cbi = &f->frame_thread.cbi[t->by * f->b4_stride + t->bx]; } else { cf = t->cf; } if (f->frame_thread.pass != 2) { eob = decode_coefs(t, &t->a->lcoef[bx4], &t->l.lcoef[by4], ytx, bs, b, 0, 0, cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-y-cf-blk[tx=%d,txtp=%d,eob=%d]: r=%d\n", ytx, txtp, eob, ts->msac.rng); memset(&t->a->lcoef[bx4], cf_ctx, imin(txw, f->bw - t->bx)); memset(&t->l.lcoef[by4], cf_ctx, imin(txh, f->bh - t->by)); for (int y = 0; y < txh; y++) memset(&t->txtp_map[(by4 + y) * 32 + bx4], txtp, txw); if (f->frame_thread.pass == 1) { cbi->eob[0] = eob; cbi->txtp[0] = txtp; } } else { eob = cbi->eob[0]; txtp = cbi->txtp[0]; } if (!(f->frame_thread.pass & 1)) { assert(dst); if (eob >= 0) { if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) coef_dump(cf, imin(t_dim->h, 8) * 4, imin(t_dim->w, 8) * 4, 3, "dq"); dsp->itx.itxfm_add[ytx][txtp](dst, f->cur.p.stride[0], cf, eob); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) hex_dump(dst, f->cur.p.stride[0], t_dim->w * 4, t_dim->h * 4, "recon"); } } } } void bytefn(read_coef_blocks)(Dav1dTileContext *const t, const enum BlockSize bs, const Av1Block *const b) { const Dav1dFrameContext *const f = t->f; const int ss_ver = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int bx4 = t->bx & 31, by4 = t->by & 31; const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; const uint8_t *const b_dim = av1_block_dimensions[bs]; const int bw4 = b_dim[0], bh4 = b_dim[1]; const int cbw4 = (bw4 + 1) >> ss_hor, cbh4 = (bh4 + 1) >> ss_ver; const int has_chroma = f->seq_hdr.layout != DAV1D_PIXEL_LAYOUT_I400 && (bw4 > ss_hor || t->bx & 1) && (bh4 > ss_ver || t->by & 1); if (b->skip) { memset(&t->a->lcoef[bx4], 0x40, bw4); memset(&t->l.lcoef[by4], 0x40, bh4); if (has_chroma) for (int pl = 0; pl < 2; pl++) { memset(&t->a->ccoef[pl][cbx4], 0x40, cbw4); memset(&t->l.ccoef[pl][cby4], 0x40, cbh4); } return; } Dav1dTileState *const ts = t->ts; const int w4 = imin(bw4, f->bw - t->bx), h4 = imin(bh4, f->bh - t->by); const int cw4 = (w4 + ss_hor) >> ss_hor, ch4 = (h4 + ss_ver) >> ss_ver; assert(f->frame_thread.pass == 1); assert(!b->skip); const TxfmInfo *const uv_t_dim = &av1_txfm_dimensions[b->uvtx]; const TxfmInfo *const t_dim = &av1_txfm_dimensions[b->intra ? b->tx : b->max_ytx]; for (int init_y = 0; init_y < h4; init_y += 16) { for (int init_x = 0; init_x < w4; init_x += 16) { const int sub_h4 = imin(h4, 16 + init_y); const int sub_w4 = imin(w4, init_x + 16); int y_off = !!init_y, y, x; for (y = init_y, t->by += init_y; y < sub_h4; y += t_dim->h, t->by += t_dim->h, y_off++) { struct CodedBlockInfo *const cbi = &f->frame_thread.cbi[t->by * f->b4_stride]; int x_off = !!init_x; for (x = init_x, t->bx += init_x; x < sub_w4; x += t_dim->w, t->bx += t_dim->w, x_off++) { if (!b->intra) { read_coef_tree(t, bs, b, b->max_ytx, 0, b->tx_split, x_off, y_off, NULL); } else { uint8_t cf_ctx = 0x40; enum TxfmType txtp; const int eob = cbi[t->bx].eob[0] = decode_coefs(t, &t->a->lcoef[bx4 + x], &t->l.lcoef[by4 + y], b->tx, bs, b, 1, 0, ts->frame_thread.cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-y-cf-blk[tx=%d,txtp=%d,eob=%d]: r=%d\n", b->tx, txtp, eob, ts->msac.rng); cbi[t->bx].txtp[0] = txtp; ts->frame_thread.cf += imin(t_dim->w, 8) * imin(t_dim->h, 8) * 16; memset(&t->a->lcoef[bx4 + x], cf_ctx, imin(t_dim->w, f->bw - t->bx)); memset(&t->l.lcoef[by4 + y], cf_ctx, imin(t_dim->h, f->bh - t->by)); } } t->bx -= x; } t->by -= y; if (!has_chroma) continue; const int sub_ch4 = imin(ch4, (init_y + 16) >> ss_ver); const int sub_cw4 = imin(cw4, (init_x + 16) >> ss_hor); for (int pl = 0; pl < 2; pl++) { for (y = init_y >> ss_ver, t->by += init_y; y < sub_ch4; y += uv_t_dim->h, t->by += uv_t_dim->h << ss_ver) { struct CodedBlockInfo *const cbi = &f->frame_thread.cbi[t->by * f->b4_stride]; for (x = init_x >> ss_hor, t->bx += init_x; x < sub_cw4; x += uv_t_dim->w, t->bx += uv_t_dim->w << ss_hor) { uint8_t cf_ctx = 0x40; enum TxfmType txtp; if (!b->intra) txtp = t->txtp_map[(by4 + (y << ss_ver)) * 32 + bx4 + (x << ss_hor)]; const int eob = cbi[t->bx].eob[1 + pl] = decode_coefs(t, &t->a->ccoef[pl][cbx4 + x], &t->l.ccoef[pl][cby4 + y], b->uvtx, bs, b, b->intra, 1 + pl, ts->frame_thread.cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-uv-cf-blk[pl=%d,tx=%d," "txtp=%d,eob=%d]: r=%d\n", pl, b->uvtx, txtp, eob, ts->msac.rng); cbi[t->bx].txtp[1 + pl] = txtp; ts->frame_thread.cf += uv_t_dim->w * uv_t_dim->h * 16; memset(&t->a->ccoef[pl][cbx4 + x], cf_ctx, imin(uv_t_dim->w, (f->bw - t->bx + ss_hor) >> ss_hor)); memset(&t->l.ccoef[pl][cby4 + y], cf_ctx, imin(uv_t_dim->h, (f->bh - t->by + ss_ver) >> ss_ver)); } t->bx -= x << ss_hor; } t->by -= y << ss_ver; } } } } static void emu_edge(pixel *dst, const ptrdiff_t dst_stride, const pixel *ref, const ptrdiff_t ref_stride, const int bw, const int bh, const int iw, const int ih, const int x, const int y) { // find offset in reference of visible block to copy ref += iclip(y, 0, ih - 1) * PXSTRIDE(ref_stride) + iclip(x, 0, iw - 1); // number of pixels to extend (left, right, top, bottom) const int left_ext = iclip(-x, 0, bw - 1); const int right_ext = iclip(x + bw - iw, 0, bw - 1); assert(left_ext + right_ext < bw); const int top_ext = iclip(-y, 0, bh - 1); const int bottom_ext = iclip(y + bh - ih, 0, bh - 1); assert(top_ext + bottom_ext < bh); // copy visible portion first pixel *blk = dst + top_ext * PXSTRIDE(dst_stride); const int center_w = bw - left_ext - right_ext; const int center_h = bh - top_ext - bottom_ext; for (int y = 0; y < center_h; y++) { pixel_copy(blk + left_ext, ref, center_w); // extend left edge for this line if (left_ext) pixel_set(blk, blk[left_ext], left_ext); // extend right edge for this line if (right_ext) pixel_set(blk + left_ext + center_w, blk[left_ext + center_w - 1], right_ext); ref += PXSTRIDE(ref_stride); blk += PXSTRIDE(dst_stride); } // copy top blk = dst + top_ext * PXSTRIDE(dst_stride); for (int y = 0; y < top_ext; y++) { pixel_copy(dst, blk, bw); dst += PXSTRIDE(dst_stride); } // copy bottom dst += center_h * PXSTRIDE(dst_stride); for (int y = 0; y < bottom_ext; y++) { pixel_copy(dst, &dst[-PXSTRIDE(dst_stride)], bw); dst += PXSTRIDE(dst_stride); } } static void mc(Dav1dTileContext *const t, pixel *const dst8, coef *const dst16, const ptrdiff_t dst_stride, const int bw4, const int bh4, const int bx, const int by, const int pl, const mv mv, const Dav1dThreadPicture *const refp, const enum Filter2d filter_2d) { assert((dst8 != NULL) ^ (dst16 != NULL)); const Dav1dFrameContext *const f = t->f; const int ss_ver = !!pl && f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = !!pl && f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver; const int mvx = mv.x, mvy = mv.y; const int mx = mvx & (15 >> !ss_hor), my = mvy & (15 >> !ss_ver); const int dx = bx * h_mul + (mvx >> (3 + ss_hor)); const int dy = by * v_mul + (mvy >> (3 + ss_ver)); ptrdiff_t ref_stride = refp->p.stride[!!pl]; const pixel *ref; if (refp != &f->cur) // i.e. not for intrabc dav1d_thread_picture_wait(refp, dy + bh4 * v_mul + !!my * 4, PLANE_TYPE_Y + !!pl); if (dx < 3 || dx + bw4 * h_mul + 4 > ((f->cur.p.p.w + ss_hor) >> ss_hor) || dy < 3 || dy + bh4 * v_mul + 4 > ((f->cur.p.p.h + ss_ver) >> ss_ver)) { emu_edge(t->emu_edge, 160 * sizeof(pixel), refp->p.data[pl], ref_stride, bw4 * h_mul + 7, bh4 * v_mul + 7, (f->cur.p.p.w + ss_hor) >> ss_hor, (f->cur.p.p.h + ss_ver) >> ss_ver, dx - 3, dy - 3); ref = &t->emu_edge[160 * 3 + 3]; ref_stride = 160 * sizeof(pixel); } else { ref = ((pixel *) refp->p.data[pl]) + PXSTRIDE(ref_stride) * dy + dx; } if (dst8 != NULL) { f->dsp->mc.mc[filter_2d](dst8, dst_stride, ref, ref_stride, bw4 * h_mul, bh4 * v_mul, mx << !ss_hor, my << !ss_ver); } else { f->dsp->mc.mct[filter_2d](dst16, ref, ref_stride, bw4 * h_mul, bh4 * v_mul, mx << !ss_hor, my << !ss_ver); } } static void obmc(Dav1dTileContext *const t, pixel *const dst, const ptrdiff_t dst_stride, const uint8_t *const b_dim, const int pl, const int bx4, const int by4, const int w4, const int h4) { assert(!(t->bx & 1) && !(t->by & 1)); const Dav1dFrameContext *const f = t->f; const refmvs *const r = &f->mvs[t->by * f->b4_stride + t->bx]; pixel *const lap = t->scratch.lap; static const uint8_t obmc_mask_2[2] = { 19, 0 }; static const uint8_t obmc_mask_4[4] = { 25, 14, 5, 0 }; static const uint8_t obmc_mask_8[8] = { 28, 22, 16, 11, 7, 3, 0, 0 }; static const uint8_t obmc_mask_16[16] = { 30, 27, 24, 21, 18, 15, 12, 10, 8, 6, 4, 3, 0, 0, 0, 0 }; static const uint8_t obmc_mask_32[32] = { 31, 29, 28, 26, 24, 23, 21, 20, 19, 17, 16, 14, 13, 12, 11, 9, 8, 7, 6, 5, 4, 4, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0 }; static const uint8_t *const obmc_masks[] = { obmc_mask_2, obmc_mask_4, obmc_mask_8, obmc_mask_16, obmc_mask_32 }; const int ss_ver = !!pl && f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = !!pl && f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver; if (t->by > t->ts->tiling.row_start && (!pl || b_dim[0] * h_mul + b_dim[1] * v_mul >= 16)) { for (int i = 0, x = 0; x < w4 && i < imin(b_dim[2], 4); ) { // only odd blocks are considered for overlap handling, hence +1 const refmvs *const a_r = &r[x - f->b4_stride + 1]; const uint8_t *const a_b_dim = av1_block_dimensions[sbtype_to_bs[a_r->sb_type]]; if (a_r->ref[0] > 0) { mc(t, lap, NULL, 128 * sizeof(pixel), iclip(a_b_dim[0], 2, b_dim[0]), imin(b_dim[1], 16) >> 1, t->bx + x, t->by, pl, a_r->mv[0], &f->refp[a_r->ref[0] - 1], av1_filter_2d[t->a->filter[1][bx4 + x + 1]][t->a->filter[0][bx4 + x + 1]]); f->dsp->mc.blend(&dst[x * h_mul], dst_stride, lap, 128 * sizeof(pixel), h_mul * iclip(a_b_dim[0], 2, b_dim[0]), v_mul * imin(b_dim[1], 16) >> 1, obmc_masks[imin(b_dim[3], 4) - ss_ver], 1); i++; } x += imax(a_b_dim[0], 2); } } if (t->bx > t->ts->tiling.col_start) for (int i = 0, y = 0; y < h4 && i < imin(b_dim[3], 4); ) { // only odd blocks are considered for overlap handling, hence +1 const refmvs *const l_r = &r[(y + 1) * f->b4_stride - 1]; const uint8_t *const l_b_dim = av1_block_dimensions[sbtype_to_bs[l_r->sb_type]]; if (l_r->ref[0] > 0) { mc(t, lap, NULL, 32 * sizeof(pixel), imin(b_dim[0], 16) >> 1, iclip(l_b_dim[1], 2, b_dim[1]), t->bx, t->by + y, pl, l_r->mv[0], &f->refp[l_r->ref[0] - 1], av1_filter_2d[t->l.filter[1][by4 + y + 1]][t->l.filter[0][by4 + y + 1]]); f->dsp->mc.blend(&dst[y * v_mul * PXSTRIDE(dst_stride)], dst_stride, lap, 32 * sizeof(pixel), h_mul * imin(b_dim[0], 16) >> 1, v_mul * iclip(l_b_dim[1], 2, b_dim[1]), obmc_masks[imin(b_dim[2], 4) - ss_hor], 0); i++; } y += imax(l_b_dim[1], 2); } } static void warp_affine(Dav1dTileContext *const t, pixel *dst8, coef *dst16, const ptrdiff_t dstride, const uint8_t *const b_dim, const int pl, const Dav1dThreadPicture *const refp, const WarpedMotionParams *const wmp) { assert((dst8 != NULL) ^ (dst16 != NULL)); const Dav1dFrameContext *const f = t->f; const Dav1dDSPContext *const dsp = f->dsp; const int ss_ver = !!pl && f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = !!pl && f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver; assert(!((b_dim[0] * h_mul) & 7) && !((b_dim[1] * v_mul) & 7)); const int32_t *const mat = wmp->matrix; const int width = (f->cur.p.p.w + ss_hor) >> ss_hor; const int height = (f->cur.p.p.h + ss_ver) >> ss_ver; for (int y = 0; y < b_dim[1] * v_mul; y += 8) { for (int x = 0; x < b_dim[0] * h_mul; x += 8) { // calculate transformation relative to center of 8x8 block in // luma pixel units const int src_x = t->bx * 4 + ((x + 4) << ss_hor); const int src_y = t->by * 4 + ((y + 4) << ss_ver); const int mvx = (mat[2] * src_x + mat[3] * src_y + mat[0]) >> ss_hor; const int mvy = (mat[4] * src_x + mat[5] * src_y + mat[1]) >> ss_ver; const int dx = (mvx >> 16) - 4; const int mx = ((mvx & 0xffff) - wmp->alpha * 4 - wmp->beta * 7) & ~0x3f; const int dy = (mvy >> 16) - 4; const int my = ((mvy & 0xffff) - wmp->gamma * 4 - wmp->delta * 4) & ~0x3f; const pixel *ref_ptr; ptrdiff_t ref_stride = refp->p.stride[!!pl]; dav1d_thread_picture_wait(refp, dy + 4 + 8, PLANE_TYPE_Y + !!pl); if (dx < 3 || dx + 8 + 4 > width || dy < 3 || dy + 8 + 4 > height) { emu_edge(t->emu_edge, 160 * sizeof(pixel), refp->p.data[pl], ref_stride, 15, 15, width, height, dx - 3, dy - 3); ref_ptr = &t->emu_edge[160 * 3 + 3]; ref_stride = 160 * sizeof(pixel); } else { ref_ptr = ((pixel *) refp->p.data[pl]) + PXSTRIDE(ref_stride) * dy + dx; } if (dst16 != NULL) dsp->mc.warp8x8t(&dst16[x], dstride, ref_ptr, ref_stride, wmp->abcd, mx, my); else dsp->mc.warp8x8(&dst8[x], dstride, ref_ptr, ref_stride, wmp->abcd, mx, my); } if (dst8) dst8 += 8 * PXSTRIDE(dstride); else dst16 += 8 * dstride; } } void bytefn(recon_b_intra)(Dav1dTileContext *const t, const enum BlockSize bs, const enum EdgeFlags intra_edge_flags, const Av1Block *const b) { Dav1dTileState *const ts = t->ts; const Dav1dFrameContext *const f = t->f; const Dav1dDSPContext *const dsp = f->dsp; const int bx4 = t->bx & 31, by4 = t->by & 31; const int ss_ver = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; const uint8_t *const b_dim = av1_block_dimensions[bs]; const int bw4 = b_dim[0], bh4 = b_dim[1]; const int w4 = imin(bw4, f->bw - t->bx), h4 = imin(bh4, f->bh - t->by); const int cw4 = (w4 + ss_hor) >> ss_hor, ch4 = (h4 + ss_ver) >> ss_ver; const int has_chroma = f->seq_hdr.layout != DAV1D_PIXEL_LAYOUT_I400 && (bw4 > ss_hor || t->bx & 1) && (bh4 > ss_ver || t->by & 1); const TxfmInfo *const t_dim = &av1_txfm_dimensions[b->tx]; const TxfmInfo *const uv_t_dim = &av1_txfm_dimensions[b->uvtx]; // coefficient coding pixel edge_mem[257], *const edge = &edge_mem[128]; const int cbw4 = (bw4 + ss_hor) >> ss_hor, cbh4 = (bh4 + ss_ver) >> ss_ver; for (int init_y = 0; init_y < h4; init_y += 16) { for (int init_x = 0; init_x < w4; init_x += 16) { if (b->pal_sz[0]) { pixel *dst = ((pixel *) f->cur.p.data[0]) + 4 * (t->by * PXSTRIDE(f->cur.p.stride[0]) + t->bx); const uint8_t *pal_idx; if (f->frame_thread.pass) { pal_idx = ts->frame_thread.pal_idx; ts->frame_thread.pal_idx += bw4 * bh4 * 16; } else { pal_idx = t->scratch.pal_idx; } const uint16_t *const pal = f->frame_thread.pass ? f->frame_thread.pal[((t->by >> 1) + (t->bx & 1)) * (f->b4_stride >> 1) + ((t->bx >> 1) + (t->by & 1))][0] : t->pal[0]; f->dsp->ipred.pal_pred(dst, f->cur.p.stride[0], pal, pal_idx, bw4 * 4, bh4 * 4); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) hex_dump(dst, PXSTRIDE(f->cur.p.stride[0]), bw4 * 4, bh4 * 4, "y-pal-pred"); } const int sm_fl = sm_flag(t->a, bx4) | sm_flag(&t->l, by4); const int sb_has_tr = init_x + 16 < w4 ? 1 : init_y ? 0 : intra_edge_flags & EDGE_I444_TOP_HAS_RIGHT; const int sb_has_bl = init_x ? 0 : init_y + 16 < h4 ? 1 : intra_edge_flags & EDGE_I444_LEFT_HAS_BOTTOM; int y, x; const int sub_h4 = imin(h4, 16 + init_y); const int sub_w4 = imin(w4, init_x + 16); for (y = init_y, t->by += init_y; y < sub_h4; y += t_dim->h, t->by += t_dim->h) { pixel *dst = ((pixel *) f->cur.p.data[0]) + 4 * (t->by * PXSTRIDE(f->cur.p.stride[0]) + t->bx + init_x); for (x = init_x, t->bx += init_x; x < sub_w4; x += t_dim->w, t->bx += t_dim->w) { if (b->pal_sz[0]) goto skip_y_pred; int angle = b->y_angle; const enum EdgeFlags edge_flags = (((y > init_y || !sb_has_tr) && (x + t_dim->w >= sub_w4)) ? 0 : EDGE_I444_TOP_HAS_RIGHT) | ((x > init_x || (!sb_has_bl && y + t_dim->h >= sub_h4)) ? 0 : EDGE_I444_LEFT_HAS_BOTTOM); const pixel *top_sb_edge = NULL; if (!(t->by & (f->sb_step - 1))) { top_sb_edge = f->ipred_edge[0]; const int sby = t->by >> f->sb_shift; top_sb_edge += f->sb128w * 128 * (sby - 1); } const enum IntraPredMode m = bytefn(prepare_intra_edges)(t->bx, t->bx > ts->tiling.col_start, t->by, t->by > ts->tiling.row_start, ts->tiling.col_end, ts->tiling.row_end, edge_flags, dst, f->cur.p.stride[0], top_sb_edge, b->y_mode, &angle, t_dim->w, t_dim->h, edge); dsp->ipred.intra_pred[b->tx][m](dst, f->cur.p.stride[0], edge, angle | sm_fl); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { hex_dump(edge - t_dim->h * 4, t_dim->h * 4, t_dim->h * 4, 2, "l"); hex_dump(edge, 0, 1, 1, "tl"); hex_dump(edge + 1, t_dim->w * 4, t_dim->w * 4, 2, "t"); hex_dump(dst, f->cur.p.stride[0], t_dim->w * 4, t_dim->h * 4, "y-intra-pred"); } skip_y_pred: {} if (!b->skip) { coef *cf; int eob; enum TxfmType txtp; if (f->frame_thread.pass) { cf = ts->frame_thread.cf; ts->frame_thread.cf += imin(t_dim->w, 8) * imin(t_dim->h, 8) * 16; const struct CodedBlockInfo *const cbi = &f->frame_thread.cbi[t->by * f->b4_stride + t->bx]; eob = cbi->eob[0]; txtp = cbi->txtp[0]; } else { uint8_t cf_ctx; cf = t->cf; eob = decode_coefs(t, &t->a->lcoef[bx4 + x], &t->l.lcoef[by4 + y], b->tx, bs, b, 1, 0, cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-y-cf-blk[tx=%d,txtp=%d,eob=%d]: r=%d\n", b->tx, txtp, eob, ts->msac.rng); memset(&t->a->lcoef[bx4 + x], cf_ctx, imin(t_dim->w, f->bw - t->bx)); memset(&t->l.lcoef[by4 + y], cf_ctx, imin(t_dim->h, f->bh - t->by)); } if (eob >= 0) { if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) coef_dump(cf, imin(t_dim->h, 8) * 4, imin(t_dim->w, 8) * 4, 3, "dq"); dsp->itx.itxfm_add[b->tx] [txtp](dst, f->cur.p.stride[0], cf, eob); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) hex_dump(dst, f->cur.p.stride[0], t_dim->w * 4, t_dim->h * 4, "recon"); } } else if (!f->frame_thread.pass) { memset(&t->a->lcoef[bx4 + x], 0x40, t_dim->w); memset(&t->l.lcoef[by4 + y], 0x40, t_dim->h); } dst += 4 * t_dim->w; } t->bx -= x; } t->by -= y; if (!has_chroma) continue; const ptrdiff_t stride = f->cur.p.stride[1]; if (b->uv_mode == CFL_PRED) { assert(!init_x && !init_y); int16_t *const ac = t->scratch.ac; ALIGN_STK_32(pixel, uv_pred, 2 * 32,); pixel *y_src = ((pixel *) f->cur.p.data[0]) + 4 * (t->bx & ~ss_hor) + 4 * (t->by & ~ss_ver) * PXSTRIDE(f->cur.p.stride[0]); const ptrdiff_t uv_off = 4 * ((t->bx >> ss_hor) + (t->by >> ss_ver) * PXSTRIDE(stride)); pixel *const uv_dst[2] = { ((pixel *) f->cur.p.data[1]) + uv_off, ((pixel *) f->cur.p.data[2]) + uv_off }; // cfl_uvtx can be different from uvtx in case of lossless const enum RectTxfmSize cfl_uvtx = av1_max_txfm_size_for_bs[bs][f->cur.p.p.layout]; const TxfmInfo *const cfl_uv_t_dim = &av1_txfm_dimensions[cfl_uvtx]; for (int pl = 0; pl < 2; pl++) { int angle = 0; const pixel *top_sb_edge = NULL; if (!((t->by & ~ss_ver) & (f->sb_step - 1))) { top_sb_edge = f->ipred_edge[pl + 1]; const int sby = t->by >> f->sb_shift; top_sb_edge += f->sb128w * 128 * (sby - 1); } const enum IntraPredMode m = bytefn(prepare_intra_edges)(t->bx >> ss_hor, (t->bx >> ss_hor) > (ts->tiling.col_start >> ss_hor), t->by >> ss_ver, (t->by >> ss_ver) > (ts->tiling.row_start >> ss_ver), ts->tiling.col_end >> ss_hor, ts->tiling.row_end >> ss_ver, 0, uv_dst[pl], stride, top_sb_edge, DC_PRED, &angle, cfl_uv_t_dim->w, cfl_uv_t_dim->h, edge); dsp->ipred.intra_pred[cfl_uvtx][m](&uv_pred[32 * pl], 0, edge, 0); } const int furthest_r = ((cw4 << ss_hor) + t_dim->w - 1) & ~(t_dim->w - 1); const int furthest_b = ((ch4 << ss_ver) + t_dim->h - 1) & ~(t_dim->h - 1); dsp->ipred.cfl_ac[f->cur.p.p.layout - 1] [cfl_uvtx](ac, y_src, f->cur.p.stride[0], cbw4 - (furthest_r >> ss_hor), cbh4 - (furthest_b >> ss_ver)); dsp->ipred.cfl_pred[cfl_uv_t_dim->lw](uv_dst[0], uv_dst[1], stride, ac, uv_pred, b->cfl_alpha, cbh4 * 4); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { ac_dump(ac, 4*cbw4, 4*cbh4, "ac"); hex_dump(uv_dst[0], stride, cbw4 * 4, cbh4 * 4, "u-cfl-pred"); hex_dump(uv_dst[1], stride, cbw4 * 4, cbh4 * 4, "v-cfl-pred"); } } else if (b->pal_sz[1]) { ptrdiff_t uv_dstoff = 4 * ((t->bx >> ss_hor) + (t->by >> ss_ver) * PXSTRIDE(f->cur.p.stride[1])); const uint8_t *pal_idx; if (f->frame_thread.pass) { pal_idx = ts->frame_thread.pal_idx; ts->frame_thread.pal_idx += cbw4 * cbh4 * 16; } else { pal_idx = &t->scratch.pal_idx[bw4 * bh4 * 16]; } const uint16_t *const pal_u = f->frame_thread.pass ? f->frame_thread.pal[((t->by >> 1) + (t->bx & 1)) * (f->b4_stride >> 1) + ((t->bx >> 1) + (t->by & 1))][1] : t->pal[1]; f->dsp->ipred.pal_pred(((pixel *) f->cur.p.data[1]) + uv_dstoff, f->cur.p.stride[1], pal_u, pal_idx, cbw4 * 4, cbh4 * 4); const uint16_t *const pal_v = f->frame_thread.pass ? f->frame_thread.pal[((t->by >> 1) + (t->bx & 1)) * (f->b4_stride >> 1) + ((t->bx >> 1) + (t->by & 1))][2] : t->pal[2]; f->dsp->ipred.pal_pred(((pixel *) f->cur.p.data[2]) + uv_dstoff, f->cur.p.stride[1], pal_v, pal_idx, cbw4 * 4, cbh4 * 4); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { hex_dump(((pixel *) f->cur.p.data[1]) + uv_dstoff, PXSTRIDE(f->cur.p.stride[1]), cbw4 * 4, cbh4 * 4, "u-pal-pred"); hex_dump(((pixel *) f->cur.p.data[2]) + uv_dstoff, PXSTRIDE(f->cur.p.stride[1]), cbw4 * 4, cbh4 * 4, "v-pal-pred"); } } const int sm_uv_fl = sm_uv_flag(t->a, cbx4) | sm_uv_flag(&t->l, cby4); const int uv_sb_has_tr = ((init_x + 16) >> ss_hor) < cw4 ? 1 : init_y ? 0 : intra_edge_flags & (EDGE_I420_TOP_HAS_RIGHT >> (f->cur.p.p.layout - 1)); const int uv_sb_has_bl = init_x ? 0 : ((init_y + 16) >> ss_ver) < ch4 ? 1 : intra_edge_flags & (EDGE_I420_LEFT_HAS_BOTTOM >> (f->cur.p.p.layout - 1)); const int sub_ch4 = imin(ch4, (init_y + 16) >> ss_ver); const int sub_cw4 = imin(cw4, (init_x + 16) >> ss_hor); for (int pl = 0; pl < 2; pl++) { for (y = init_y >> ss_ver, t->by += init_y; y < sub_ch4; y += uv_t_dim->h, t->by += uv_t_dim->h << ss_ver) { pixel *dst = ((pixel *) f->cur.p.data[1 + pl]) + 4 * ((t->by >> ss_ver) * PXSTRIDE(stride) + ((t->bx + init_x) >> ss_hor)); for (x = init_x >> ss_hor, t->bx += init_x; x < sub_cw4; x += uv_t_dim->w, t->bx += uv_t_dim->w << ss_hor) { if (b->uv_mode == CFL_PRED || b->pal_sz[1]) goto skip_uv_pred; int angle = b->uv_angle; // this probably looks weird because we're using // luma flags in a chroma loop, but that's because // prepare_intra_edges() expects luma flags as input const enum EdgeFlags edge_flags = (((y > (init_y >> ss_ver) || !uv_sb_has_tr) && (x + uv_t_dim->w >= sub_cw4)) ? 0 : EDGE_I444_TOP_HAS_RIGHT) | ((x > (init_x >> ss_hor) || (!uv_sb_has_bl && y + uv_t_dim->h >= sub_ch4)) ? 0 : EDGE_I444_LEFT_HAS_BOTTOM); const pixel *top_sb_edge = NULL; if (!((t->by & ~ss_ver) & (f->sb_step - 1))) { top_sb_edge = f->ipred_edge[1 + pl]; const int sby = t->by >> f->sb_shift; top_sb_edge += f->sb128w * 128 * (sby - 1); } const enum IntraPredMode m = bytefn(prepare_intra_edges)(t->bx >> ss_hor, (t->bx >> ss_hor) > (ts->tiling.col_start >> ss_hor), t->by >> ss_ver, (t->by >> ss_ver) > (ts->tiling.row_start >> ss_ver), ts->tiling.col_end >> ss_hor, ts->tiling.row_end >> ss_ver, edge_flags, dst, stride, top_sb_edge, b->uv_mode, &angle, uv_t_dim->w, uv_t_dim->h, edge); dsp->ipred.intra_pred[b->uvtx][m](dst, stride, edge, angle | sm_uv_fl); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { hex_dump(edge - uv_t_dim->h * 4, uv_t_dim->h * 4, uv_t_dim->h * 4, 2, "l"); hex_dump(edge, 0, 1, 1, "tl"); hex_dump(edge + 1, uv_t_dim->w * 4, uv_t_dim->w * 4, 2, "t"); hex_dump(dst, stride, uv_t_dim->w * 4, uv_t_dim->h * 4, pl ? "v-intra-pred" : "u-intra-pred"); } skip_uv_pred: {} if (!b->skip) { enum TxfmType txtp; int eob; coef *cf; if (f->frame_thread.pass) { cf = ts->frame_thread.cf; ts->frame_thread.cf += uv_t_dim->w * uv_t_dim->h * 16; const struct CodedBlockInfo *const cbi = &f->frame_thread.cbi[t->by * f->b4_stride + t->bx]; eob = cbi->eob[pl + 1]; txtp = cbi->txtp[pl + 1]; } else { uint8_t cf_ctx; cf = t->cf; eob = decode_coefs(t, &t->a->ccoef[pl][cbx4 + x], &t->l.ccoef[pl][cby4 + y], b->uvtx, bs, b, 1, 1 + pl, cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-uv-cf-blk[pl=%d,tx=%d," "txtp=%d,eob=%d]: r=%d [x=%d,cbx4=%d]\n", pl, b->uvtx, txtp, eob, ts->msac.rng, x, cbx4); memset(&t->a->ccoef[pl][cbx4 + x], cf_ctx, imin(uv_t_dim->w, (f->bw - t->bx + ss_hor) >> ss_hor)); memset(&t->l.ccoef[pl][cby4 + y], cf_ctx, imin(uv_t_dim->h, (f->bh - t->by + ss_ver) >> ss_ver)); } if (eob >= 0) { if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) coef_dump(cf, uv_t_dim->h * 4, uv_t_dim->w * 4, 3, "dq"); dsp->itx.itxfm_add[b->uvtx] [txtp](dst, stride, cf, eob); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) hex_dump(dst, stride, uv_t_dim->w * 4, uv_t_dim->h * 4, "recon"); } } else if (!f->frame_thread.pass) { memset(&t->a->ccoef[pl][cbx4 + x], 0x40, uv_t_dim->w); memset(&t->l.ccoef[pl][cby4 + y], 0x40, uv_t_dim->h); } dst += uv_t_dim->w * 4; } t->bx -= x << ss_hor; } t->by -= y << ss_ver; } } } } void bytefn(recon_b_inter)(Dav1dTileContext *const t, const enum BlockSize bs, const Av1Block *const b) { Dav1dTileState *const ts = t->ts; const Dav1dFrameContext *const f = t->f; const Dav1dDSPContext *const dsp = f->dsp; const int bx4 = t->bx & 31, by4 = t->by & 31; const int ss_ver = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; const uint8_t *const b_dim = av1_block_dimensions[bs]; const int bw4 = b_dim[0], bh4 = b_dim[1]; const int w4 = imin(bw4, f->bw - t->bx), h4 = imin(bh4, f->bh - t->by); const int has_chroma = f->seq_hdr.layout != DAV1D_PIXEL_LAYOUT_I400 && (bw4 > ss_hor || t->bx & 1) && (bh4 > ss_ver || t->by & 1); const int chr_layout_idx = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I400 ? 0 : DAV1D_PIXEL_LAYOUT_I444 - f->cur.p.p.layout; // prediction const int cbh4 = (bh4 + ss_ver) >> ss_ver, cbw4 = (bw4 + ss_hor) >> ss_hor; pixel *dst = ((pixel *) f->cur.p.data[0]) + 4 * (t->by * PXSTRIDE(f->cur.p.stride[0]) + t->bx); const ptrdiff_t uvdstoff = 4 * ((t->bx >> ss_hor) + (t->by >> ss_ver) * PXSTRIDE(f->cur.p.stride[1])); if (!(f->frame_hdr.frame_type & 1)) { // intrabc mc(t, dst, NULL, f->cur.p.stride[0], bw4, bh4, t->bx, t->by, 0, b->mv[0], &f->cur, FILTER_2D_BILINEAR); if (has_chroma) for (int pl = 1; pl < 3; pl++) mc(t, ((pixel *) f->cur.p.data[pl]) + uvdstoff, NULL, f->cur.p.stride[1], bw4 << (bw4 == ss_hor), bh4 << (bh4 == ss_ver), t->bx & ~ss_hor, t->by & ~ss_ver, pl, b->mv[0], &f->cur, FILTER_2D_BILINEAR); } else if (b->comp_type == COMP_INTER_NONE) { const Dav1dThreadPicture *const refp = &f->refp[b->ref[0]]; const enum Filter2d filter_2d = b->filter2d; if (imin(bw4, bh4) > 1 && ((b->inter_mode == GLOBALMV && f->frame_hdr.gmv[b->ref[0]].type > WM_TYPE_TRANSLATION) || (b->motion_mode == MM_WARP && t->warpmv.type > WM_TYPE_TRANSLATION))) { warp_affine(t, dst, NULL, f->cur.p.stride[0], b_dim, 0, refp, b->motion_mode == MM_WARP ? &t->warpmv : &f->frame_hdr.gmv[b->ref[0]]); } else { mc(t, dst, NULL, f->cur.p.stride[0], bw4, bh4, t->bx, t->by, 0, b->mv[0], refp, filter_2d); if (b->motion_mode == MM_OBMC) obmc(t, dst, f->cur.p.stride[0], b_dim, 0, bx4, by4, w4, h4); } if (b->interintra_type) { const enum RectTxfmSize ii_tx = av1_max_txfm_size_for_bs[bs][0]; pixel tl_edge_px[65], *const tl_edge = &tl_edge_px[32]; enum IntraPredMode m = b->interintra_mode == II_SMOOTH_PRED ? SMOOTH_PRED : b->interintra_mode; pixel *const tmp = t->scratch.interintra; int angle = 0; const pixel *top_sb_edge = NULL; if (!(t->by & (f->sb_step - 1))) { top_sb_edge = f->ipred_edge[0]; const int sby = t->by >> f->sb_shift; top_sb_edge += f->sb128w * 128 * (sby - 1); } m = bytefn(prepare_intra_edges)(t->bx, t->bx > ts->tiling.col_start, t->by, t->by > ts->tiling.row_start, ts->tiling.col_end, ts->tiling.row_end, 0, dst, f->cur.p.stride[0], top_sb_edge, m, &angle, bw4, bh4, tl_edge); dsp->ipred.intra_pred[ii_tx][m](tmp, 4 * bw4 * sizeof(pixel), tl_edge, 0); const uint8_t *const ii_mask = b->interintra_type == INTER_INTRA_BLEND ? ii_masks[bs][0][b->interintra_mode] : wedge_masks[bs][0][0][b->wedge_idx]; dsp->mc.blend(dst, f->cur.p.stride[0], tmp, bw4 * 4 * sizeof(pixel), bw4 * 4, bh4 * 4, ii_mask, bw4 * 4); } if (!has_chroma) goto skip_inter_chroma_pred; // sub8x8 derivation int is_sub8x8 = bw4 == ss_hor || bh4 == ss_ver; refmvs *r; if (is_sub8x8) { assert(ss_hor == 1); r = &f->mvs[t->by * f->b4_stride + t->bx]; if (bw4 == 1) is_sub8x8 &= r[-1].ref[0] > 0; if (bh4 == ss_ver) is_sub8x8 &= r[-f->b4_stride].ref[0] > 0; if (bw4 == 1 && bh4 == ss_ver) is_sub8x8 &= r[-(1 + f->b4_stride)].ref[0] > 0; } // chroma prediction if (is_sub8x8) { assert(ss_hor == 1); int h_off = 0, v_off = 0; if (bw4 == 1 && bh4 == ss_ver) { for (int pl = 0; pl < 2; pl++) mc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff, NULL, f->cur.p.stride[1], bw4, bh4, t->bx - 1, t->by - 1, 1 + pl, r[-(f->b4_stride + 1)].mv[0], &f->refp[r[-(f->b4_stride + 1)].ref[0] - 1], f->frame_thread.pass != 2 ? t->tl_4x4_filter : f->frame_thread.b[((t->by - 1) * f->b4_stride) + t->bx - 1].filter2d); v_off = 2 * PXSTRIDE(f->cur.p.stride[1]); h_off = 2; } if (bw4 == 1) { const enum Filter2d left_filter_2d = av1_filter_2d[t->l.filter[1][by4]][t->l.filter[0][by4]]; for (int pl = 0; pl < 2; pl++) mc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff + v_off, NULL, f->cur.p.stride[1], bw4, bh4, t->bx - 1, t->by, 1 + pl, r[-1].mv[0], &f->refp[r[-1].ref[0] - 1], f->frame_thread.pass != 2 ? left_filter_2d : f->frame_thread.b[(t->by * f->b4_stride) + t->bx - 1].filter2d); h_off = 2; } if (bh4 == ss_ver) { const enum Filter2d top_filter_2d = av1_filter_2d[t->a->filter[1][bx4]][t->a->filter[0][bx4]]; for (int pl = 0; pl < 2; pl++) mc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff + h_off, NULL, f->cur.p.stride[1], bw4, bh4, t->bx, t->by - 1, 1 + pl, r[-f->b4_stride].mv[0], &f->refp[r[-f->b4_stride].ref[0] - 1], f->frame_thread.pass != 2 ? top_filter_2d : f->frame_thread.b[((t->by - 1) * f->b4_stride) + t->bx].filter2d); v_off = 2 * PXSTRIDE(f->cur.p.stride[1]); } for (int pl = 0; pl < 2; pl++) mc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff + h_off + v_off, NULL, f->cur.p.stride[1], bw4, bh4, t->bx, t->by, 1 + pl, b->mv[0], refp, filter_2d); } else { if (imin(cbw4, cbh4) > 1 && ((b->inter_mode == GLOBALMV && f->frame_hdr.gmv[b->ref[0]].type > WM_TYPE_TRANSLATION) || (b->motion_mode == MM_WARP && t->warpmv.type > WM_TYPE_TRANSLATION))) { for (int pl = 0; pl < 2; pl++) warp_affine(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff, NULL, f->cur.p.stride[1], b_dim, 1 + pl, refp, b->motion_mode == MM_WARP ? &t->warpmv : &f->frame_hdr.gmv[b->ref[0]]); } else { for (int pl = 0; pl < 2; pl++) { mc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff, NULL, f->cur.p.stride[1], bw4 << (bw4 == ss_hor), bh4 << (bh4 == ss_ver), t->bx & ~ss_hor, t->by & ~ss_ver, 1 + pl, b->mv[0], refp, filter_2d); if (b->motion_mode == MM_OBMC) obmc(t, ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff, f->cur.p.stride[1], b_dim, 1 + pl, bx4, by4, w4, h4); } } if (b->interintra_type) { // FIXME for 8x32 with 4:2:2 subsampling, this probably does // the wrong thing since it will select 4x16, not 4x32, as a // transform size... const enum RectTxfmSize ii_tx = av1_max_txfm_size_for_bs[bs][f->cur.p.p.layout]; const uint8_t *const ii_mask = b->interintra_type == INTER_INTRA_BLEND ? ii_masks[bs][chr_layout_idx][b->interintra_mode] : wedge_masks[bs][chr_layout_idx][0][b->wedge_idx]; for (int pl = 0; pl < 2; pl++) { pixel *const tmp = t->scratch.interintra; pixel tl_edge_px[65], *const tl_edge = &tl_edge_px[32]; enum IntraPredMode m = b->interintra_mode == II_SMOOTH_PRED ? SMOOTH_PRED : b->interintra_mode; int angle = 0; pixel *const uvdst = ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff; const pixel *top_sb_edge = NULL; if (!(t->by & (f->sb_step - 1))) { top_sb_edge = f->ipred_edge[pl + 1]; const int sby = t->by >> f->sb_shift; top_sb_edge += f->sb128w * 128 * (sby - 1); } m = bytefn(prepare_intra_edges)(t->bx >> ss_hor, (t->bx >> ss_hor) > (ts->tiling.col_start >> ss_hor), t->by >> ss_ver, (t->by >> ss_ver) > (ts->tiling.row_start >> ss_ver), ts->tiling.col_end >> ss_hor, ts->tiling.row_end >> ss_ver, 0, uvdst, f->cur.p.stride[1], top_sb_edge, m, &angle, cbw4, cbh4, tl_edge); dsp->ipred.intra_pred[ii_tx][m](tmp, cbw4 * 4 * sizeof(pixel), tl_edge, 0); dsp->mc.blend(uvdst, f->cur.p.stride[1], tmp, cbw4 * 4 * sizeof(pixel), cbw4 * 4, cbh4 * 4, ii_mask, cbw4 * 4); } } } skip_inter_chroma_pred: {} t->tl_4x4_filter = filter_2d; } else { const enum Filter2d filter_2d = b->filter2d; coef (*tmp)[bw4 * bh4 * 16] = (coef (*)[bw4 * bh4 * 16]) t->scratch.compinter; int jnt_weight; uint8_t *const seg_mask = t->scratch_seg_mask; const uint8_t *mask; for (int i = 0; i < 2; i++) { const Dav1dThreadPicture *const refp = &f->refp[b->ref[i]]; if (b->inter_mode == GLOBALMV_GLOBALMV && f->frame_hdr.gmv[b->ref[i]].type > WM_TYPE_TRANSLATION) { warp_affine(t, NULL, tmp[i], bw4 * 4, b_dim, 0, refp, &f->frame_hdr.gmv[b->ref[i]]); } else { mc(t, NULL, tmp[i], 0, bw4, bh4, t->bx, t->by, 0, b->mv[i], refp, filter_2d); } } switch (b->comp_type) { case COMP_INTER_AVG: dsp->mc.avg(dst, f->cur.p.stride[0], tmp[0], tmp[1], bw4 * 4, bh4 * 4); break; case COMP_INTER_WEIGHTED_AVG: jnt_weight = f->jnt_weights[b->ref[0]][b->ref[1]]; dsp->mc.w_avg(dst, f->cur.p.stride[0], tmp[0], tmp[1], bw4 * 4, bh4 * 4, jnt_weight); break; case COMP_INTER_SEG: dsp->mc.w_mask[chr_layout_idx](dst, f->cur.p.stride[0], tmp[b->mask_sign], tmp[!b->mask_sign], bw4 * 4, bh4 * 4, seg_mask, b->mask_sign); mask = seg_mask; break; case COMP_INTER_WEDGE: mask = wedge_masks[bs][0][0][b->wedge_idx]; dsp->mc.mask(dst, f->cur.p.stride[0], tmp[b->mask_sign], tmp[!b->mask_sign], bw4 * 4, bh4 * 4, mask); if (has_chroma) mask = wedge_masks[bs][chr_layout_idx][b->mask_sign][b->wedge_idx]; break; } // chroma if (has_chroma) for (int pl = 0; pl < 2; pl++) { for (int i = 0; i < 2; i++) { const Dav1dThreadPicture *const refp = &f->refp[b->ref[i]]; if (b->inter_mode == GLOBALMV_GLOBALMV && imin(cbw4, cbh4) > 1 && f->frame_hdr.gmv[b->ref[i]].type > WM_TYPE_TRANSLATION) { warp_affine(t, NULL, tmp[i], bw4 * 2, b_dim, 1 + pl, refp, &f->frame_hdr.gmv[b->ref[i]]); } else { mc(t, NULL, tmp[i], 0, bw4, bh4, t->bx, t->by, 1 + pl, b->mv[i], refp, filter_2d); } } pixel *const uvdst = ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff; switch (b->comp_type) { case COMP_INTER_AVG: dsp->mc.avg(uvdst, f->cur.p.stride[1], tmp[0], tmp[1], bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver); break; case COMP_INTER_WEIGHTED_AVG: dsp->mc.w_avg(uvdst, f->cur.p.stride[1], tmp[0], tmp[1], bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver, jnt_weight); break; case COMP_INTER_WEDGE: case COMP_INTER_SEG: dsp->mc.mask(uvdst, f->cur.p.stride[1], tmp[b->mask_sign], tmp[!b->mask_sign], bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver, mask); break; } } } if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { hex_dump(dst, f->cur.p.stride[0], b_dim[0] * 4, b_dim[1] * 4, "y-pred"); if (has_chroma) { hex_dump(&((pixel *) f->cur.p.data[1])[uvdstoff], f->cur.p.stride[1], cbw4 * 4, cbh4 * 4, "u-pred"); hex_dump(&((pixel *) f->cur.p.data[2])[uvdstoff], f->cur.p.stride[1], cbw4 * 4, cbh4 * 4, "v-pred"); } } const int cw4 = (w4 + ss_hor) >> ss_hor, ch4 = (h4 + ss_ver) >> ss_ver; if (b->skip) { // reset coef contexts memset(&t->a->lcoef[bx4], 0x40, w4); memset(&t->l.lcoef[by4], 0x40, h4); if (has_chroma) { memset(&t->a->ccoef[0][cbx4], 0x40, cw4); memset(&t->l.ccoef[0][cby4], 0x40, ch4); memset(&t->a->ccoef[1][cbx4], 0x40, cw4); memset(&t->l.ccoef[1][cby4], 0x40, ch4); } return; } const TxfmInfo *const uvtx = &av1_txfm_dimensions[b->uvtx]; const TxfmInfo *const ytx = &av1_txfm_dimensions[b->max_ytx]; for (int init_y = 0; init_y < bh4; init_y += 16) { for (int init_x = 0; init_x < bw4; init_x += 16) { // coefficient coding & inverse transforms int y_off = !!init_y, y; dst += PXSTRIDE(f->cur.p.stride[0]) * 4 * init_y; for (y = init_y, t->by += init_y; y < imin(h4, init_y + 16); y += ytx->h, y_off++) { int x, x_off = !!init_x; for (x = init_x, t->bx += init_x; x < imin(w4, init_x + 16); x += ytx->w, x_off++) { read_coef_tree(t, bs, b, b->max_ytx, 0, b->tx_split, x_off, y_off, &dst[x * 4]); t->bx += ytx->w; } dst += PXSTRIDE(f->cur.p.stride[0]) * 4 * ytx->h; t->bx -= x; t->by += ytx->h; } dst -= PXSTRIDE(f->cur.p.stride[0]) * 4 * y; t->by -= y; // chroma coefs and inverse transform if (has_chroma) for (int pl = 0; pl < 2; pl++) { pixel *uvdst = ((pixel *) f->cur.p.data[1 + pl]) + uvdstoff + (PXSTRIDE(f->cur.p.stride[1]) * init_y * 4 >> ss_ver); for (y = init_y >> ss_ver, t->by += init_y; y < imin(ch4, (init_y + 16) >> ss_ver); y += uvtx->h) { int x; for (x = init_x >> ss_hor, t->bx += init_x; x < imin(cw4, (init_x + 16) >> ss_hor); x += uvtx->w) { coef *cf; int eob; enum TxfmType txtp; if (f->frame_thread.pass) { cf = ts->frame_thread.cf; ts->frame_thread.cf += uvtx->w * uvtx->h * 16; const struct CodedBlockInfo *const cbi = &f->frame_thread.cbi[t->by * f->b4_stride + t->bx]; eob = cbi->eob[1 + pl]; txtp = cbi->txtp[1 + pl]; } else { uint8_t cf_ctx; cf = t->cf; txtp = t->txtp_map[(by4 + (y << ss_ver)) * 32 + bx4 + (x << ss_hor)]; eob = decode_coefs(t, &t->a->ccoef[pl][cbx4 + x], &t->l.ccoef[pl][cby4 + y], b->uvtx, bs, b, 0, 1 + pl, cf, &txtp, &cf_ctx); if (DEBUG_BLOCK_INFO) printf("Post-uv-cf-blk[pl=%d,tx=%d," "txtp=%d,eob=%d]: r=%d\n", pl, b->uvtx, txtp, eob, ts->msac.rng); memset(&t->a->ccoef[pl][cbx4 + x], cf_ctx, imin(uvtx->w, (f->bw - t->bx + ss_hor) >> ss_hor)); memset(&t->l.ccoef[pl][cby4 + y], cf_ctx, imin(uvtx->h, (f->bh - t->by + ss_ver) >> ss_ver)); } if (eob >= 0) { if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) coef_dump(cf, uvtx->h * 4, uvtx->w * 4, 3, "dq"); dsp->itx.itxfm_add[b->uvtx] [txtp](&uvdst[4 * x], f->cur.p.stride[1], cf, eob); if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) hex_dump(&uvdst[4 * x], f->cur.p.stride[1], uvtx->w * 4, uvtx->h * 4, "recon"); } t->bx += uvtx->w << ss_hor; } uvdst += PXSTRIDE(f->cur.p.stride[1]) * 4 * uvtx->h; t->bx -= x << ss_hor; t->by += uvtx->h << ss_ver; } t->by -= y << ss_ver; } } } } void bytefn(filter_sbrow)(Dav1dFrameContext *const f, const int sby) { const int ss_ver = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int sbsz = f->sb_step, sbh = f->sbh; if (f->frame_hdr.loopfilter.level_y[0] || f->frame_hdr.loopfilter.level_y[1]) { int start_of_tile_row = 0; if (f->frame_hdr.tiling.row_start_sb[f->lf.tile_row] == sby) start_of_tile_row = f->lf.tile_row++; bytefn(dav1d_loopfilter_sbrow)(f, f->lf.p, f->lf.mask_ptr, sby, start_of_tile_row); } if (f->seq_hdr.restoration) { // Store loop filtered pixels required by loop restoration bytefn(dav1d_lr_copy_lpf)(f, f->lf.p, sby); } if (f->seq_hdr.cdef) { if (sby) { pixel *p_up[3] = { f->lf.p[0] - 8 * PXSTRIDE(f->cur.p.stride[0]), f->lf.p[1] - (8 * PXSTRIDE(f->cur.p.stride[1]) >> ss_ver), f->lf.p[2] - (8 * PXSTRIDE(f->cur.p.stride[1]) >> ss_ver), }; bytefn(dav1d_cdef_brow)(f, p_up, f->lf.prev_mask_ptr, sby * sbsz - 2, sby * sbsz); } const int n_blks = sbsz - 2 * (sby + 1 < sbh); bytefn(dav1d_cdef_brow)(f, f->lf.p, f->lf.mask_ptr, sby * sbsz, imin(sby * sbsz + n_blks, f->bh)); } if (f->seq_hdr.restoration) { bytefn(dav1d_lr_sbrow)(f, f->lf.p, sby); } f->lf.p[0] += sbsz * 4 * PXSTRIDE(f->cur.p.stride[0]); f->lf.p[1] += sbsz * 4 * PXSTRIDE(f->cur.p.stride[1]) >> ss_ver; f->lf.p[2] += sbsz * 4 * PXSTRIDE(f->cur.p.stride[1]) >> ss_ver; f->lf.prev_mask_ptr = f->lf.mask_ptr; if ((sby & 1) || f->seq_hdr.sb128) { f->lf.mask_ptr += f->sb128w; } } void bytefn(backup_ipred_edge)(Dav1dTileContext *const t) { const Dav1dFrameContext *const f = t->f; Dav1dTileState *const ts = t->ts; const int sby = t->by >> f->sb_shift; const int sby_off = f->sb128w * 128 * sby; const int x_off = ts->tiling.col_start; const pixel *const y = ((const pixel *) f->cur.p.data[0]) + x_off * 4 + ((t->by + f->sb_step) * 4 - 1) * PXSTRIDE(f->cur.p.stride[0]); pixel_copy(&f->ipred_edge[0][sby_off + x_off * 4], y, 4 * (ts->tiling.col_end - x_off)); if (f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I400) { const int ss_ver = f->cur.p.p.layout == DAV1D_PIXEL_LAYOUT_I420; const int ss_hor = f->cur.p.p.layout != DAV1D_PIXEL_LAYOUT_I444; const ptrdiff_t uv_off = (x_off * 4 >> ss_hor) + (((t->by + f->sb_step) * 4 >> ss_ver) - 1) * PXSTRIDE(f->cur.p.stride[1]); for (int pl = 1; pl <= 2; pl++) pixel_copy(&f->ipred_edge[pl][sby_off + (x_off * 4 >> ss_hor)], &((const pixel *) f->cur.p.data[pl])[uv_off], 4 * (ts->tiling.col_end - x_off) >> ss_hor); } }