diff options
Diffstat (limited to 'third_party/dav1d/src/recon_tmpl.c')
| -rw-r--r-- | third_party/dav1d/src/recon_tmpl.c | 2202 |
1 files changed, 2202 insertions, 0 deletions
diff --git a/third_party/dav1d/src/recon_tmpl.c b/third_party/dav1d/src/recon_tmpl.c new file mode 100644 index 0000000000..3158ef5b02 --- /dev/null +++ b/third_party/dav1d/src/recon_tmpl.c @@ -0,0 +1,2202 @@ +/* + * Copyright © 2018-2021, 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/frame.h" +#include "common/intops.h" + +#include "src/cdef_apply.h" +#include "src/ctx.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 inline unsigned read_golomb(MsacContext *const msac) { + int len = 0; + unsigned val = 1; + + while (!dav1d_msac_decode_bool_equi(msac) && len < 32) len++; + while (len--) val = (val << 1) + dav1d_msac_decode_bool_equi(msac); + + return val - 1; +} + +static inline unsigned get_skip_ctx(const TxfmInfo *const t_dim, + const enum BlockSize bs, + const uint8_t *const a, + const uint8_t *const l, + const int chroma, + const enum Dav1dPixelLayout layout) +{ + const uint8_t *const b_dim = dav1d_block_dimensions[bs]; + + if (chroma) { + const int ss_ver = layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = layout != DAV1D_PIXEL_LAYOUT_I444; + const int not_one_blk = b_dim[2] - (!!b_dim[2] && ss_hor) > t_dim->lw || + b_dim[3] - (!!b_dim[3] && ss_ver) > t_dim->lh; + unsigned ca, cl; + +#define MERGE_CTX(dir, type, no_val) \ + c##dir = *(const type *) dir != no_val; \ + break + + switch (t_dim->lw) { + /* For some reason the MSVC CRT _wassert() function is not flagged as + * __declspec(noreturn), so when using those headers the compiler will + * expect execution to continue after an assertion has been triggered + * and will therefore complain about the use of uninitialized variables + * when compiled in debug mode if we put the default case at the end. */ + default: assert(0); /* fall-through */ + case TX_4X4: MERGE_CTX(a, uint8_t, 0x40); + case TX_8X8: MERGE_CTX(a, uint16_t, 0x4040); + case TX_16X16: MERGE_CTX(a, uint32_t, 0x40404040U); + case TX_32X32: MERGE_CTX(a, uint64_t, 0x4040404040404040ULL); + } + switch (t_dim->lh) { + default: assert(0); /* fall-through */ + case TX_4X4: MERGE_CTX(l, uint8_t, 0x40); + case TX_8X8: MERGE_CTX(l, uint16_t, 0x4040); + case TX_16X16: MERGE_CTX(l, uint32_t, 0x40404040U); + case TX_32X32: MERGE_CTX(l, uint64_t, 0x4040404040404040ULL); + } +#undef MERGE_CTX + + return 7 + not_one_blk * 3 + ca + cl; + } else if (b_dim[2] == t_dim->lw && b_dim[3] == t_dim->lh) { + return 0; + } else { + unsigned la, ll; + +#define MERGE_CTX(dir, type, tx) \ + if (tx == TX_64X64) { \ + uint64_t tmp = *(const uint64_t *) dir; \ + tmp |= *(const uint64_t *) &dir[8]; \ + l##dir = (unsigned) (tmp >> 32) | (unsigned) tmp; \ + } else \ + l##dir = *(const type *) dir; \ + if (tx == TX_32X32) l##dir |= *(const type *) &dir[sizeof(type)]; \ + if (tx >= TX_16X16) l##dir |= l##dir >> 16; \ + if (tx >= TX_8X8) l##dir |= l##dir >> 8; \ + break + + switch (t_dim->lw) { + default: assert(0); /* fall-through */ + case TX_4X4: MERGE_CTX(a, uint8_t, TX_4X4); + case TX_8X8: MERGE_CTX(a, uint16_t, TX_8X8); + case TX_16X16: MERGE_CTX(a, uint32_t, TX_16X16); + case TX_32X32: MERGE_CTX(a, uint32_t, TX_32X32); + case TX_64X64: MERGE_CTX(a, uint32_t, TX_64X64); + } + switch (t_dim->lh) { + default: assert(0); /* fall-through */ + case TX_4X4: MERGE_CTX(l, uint8_t, TX_4X4); + case TX_8X8: MERGE_CTX(l, uint16_t, TX_8X8); + case TX_16X16: MERGE_CTX(l, uint32_t, TX_16X16); + case TX_32X32: MERGE_CTX(l, uint32_t, TX_32X32); + case TX_64X64: MERGE_CTX(l, uint32_t, TX_64X64); + } +#undef MERGE_CTX + + return dav1d_skip_ctx[umin(la & 0x3F, 4)][umin(ll & 0x3F, 4)]; + } +} + +static inline unsigned get_dc_sign_ctx(const int /*enum RectTxfmSize*/ tx, + const uint8_t *const a, + const uint8_t *const l) +{ + uint64_t mask = 0xC0C0C0C0C0C0C0C0ULL, mul = 0x0101010101010101ULL; + int s; + +#if ARCH_X86_64 && defined(__GNUC__) + /* Coerce compilers into producing better code. For some reason + * every x86-64 compiler is awful at handling 64-bit constants. */ + __asm__("" : "+r"(mask), "+r"(mul)); +#endif + + switch(tx) { + default: assert(0); /* fall-through */ + case TX_4X4: { + int t = *(const uint8_t *) a >> 6; + t += *(const uint8_t *) l >> 6; + s = t - 1 - 1; + break; + } + case TX_8X8: { + uint32_t t = *(const uint16_t *) a & (uint32_t) mask; + t += *(const uint16_t *) l & (uint32_t) mask; + t *= 0x04040404U; + s = (int) (t >> 24) - 2 - 2; + break; + } + case TX_16X16: { + uint32_t t = (*(const uint32_t *) a & (uint32_t) mask) >> 6; + t += (*(const uint32_t *) l & (uint32_t) mask) >> 6; + t *= (uint32_t) mul; + s = (int) (t >> 24) - 4 - 4; + break; + } + case TX_32X32: { + uint64_t t = (*(const uint64_t *) a & mask) >> 6; + t += (*(const uint64_t *) l & mask) >> 6; + t *= mul; + s = (int) (t >> 56) - 8 - 8; + break; + } + case TX_64X64: { + uint64_t t = (*(const uint64_t *) &a[0] & mask) >> 6; + t += (*(const uint64_t *) &a[8] & mask) >> 6; + t += (*(const uint64_t *) &l[0] & mask) >> 6; + t += (*(const uint64_t *) &l[8] & mask) >> 6; + t *= mul; + s = (int) (t >> 56) - 16 - 16; + break; + } + case RTX_4X8: { + uint32_t t = *(const uint8_t *) a & (uint32_t) mask; + t += *(const uint16_t *) l & (uint32_t) mask; + t *= 0x04040404U; + s = (int) (t >> 24) - 1 - 2; + break; + } + case RTX_8X4: { + uint32_t t = *(const uint16_t *) a & (uint32_t) mask; + t += *(const uint8_t *) l & (uint32_t) mask; + t *= 0x04040404U; + s = (int) (t >> 24) - 2 - 1; + break; + } + case RTX_8X16: { + uint32_t t = *(const uint16_t *) a & (uint32_t) mask; + t += *(const uint32_t *) l & (uint32_t) mask; + t = (t >> 6) * (uint32_t) mul; + s = (int) (t >> 24) - 2 - 4; + break; + } + case RTX_16X8: { + uint32_t t = *(const uint32_t *) a & (uint32_t) mask; + t += *(const uint16_t *) l & (uint32_t) mask; + t = (t >> 6) * (uint32_t) mul; + s = (int) (t >> 24) - 4 - 2; + break; + } + case RTX_16X32: { + uint64_t t = *(const uint32_t *) a & (uint32_t) mask; + t += *(const uint64_t *) l & mask; + t = (t >> 6) * mul; + s = (int) (t >> 56) - 4 - 8; + break; + } + case RTX_32X16: { + uint64_t t = *(const uint64_t *) a & mask; + t += *(const uint32_t *) l & (uint32_t) mask; + t = (t >> 6) * mul; + s = (int) (t >> 56) - 8 - 4; + break; + } + case RTX_32X64: { + uint64_t t = (*(const uint64_t *) &a[0] & mask) >> 6; + t += (*(const uint64_t *) &l[0] & mask) >> 6; + t += (*(const uint64_t *) &l[8] & mask) >> 6; + t *= mul; + s = (int) (t >> 56) - 8 - 16; + break; + } + case RTX_64X32: { + uint64_t t = (*(const uint64_t *) &a[0] & mask) >> 6; + t += (*(const uint64_t *) &a[8] & mask) >> 6; + t += (*(const uint64_t *) &l[0] & mask) >> 6; + t *= mul; + s = (int) (t >> 56) - 16 - 8; + break; + } + case RTX_4X16: { + uint32_t t = *(const uint8_t *) a & (uint32_t) mask; + t += *(const uint32_t *) l & (uint32_t) mask; + t = (t >> 6) * (uint32_t) mul; + s = (int) (t >> 24) - 1 - 4; + break; + } + case RTX_16X4: { + uint32_t t = *(const uint32_t *) a & (uint32_t) mask; + t += *(const uint8_t *) l & (uint32_t) mask; + t = (t >> 6) * (uint32_t) mul; + s = (int) (t >> 24) - 4 - 1; + break; + } + case RTX_8X32: { + uint64_t t = *(const uint16_t *) a & (uint32_t) mask; + t += *(const uint64_t *) l & mask; + t = (t >> 6) * mul; + s = (int) (t >> 56) - 2 - 8; + break; + } + case RTX_32X8: { + uint64_t t = *(const uint64_t *) a & mask; + t += *(const uint16_t *) l & (uint32_t) mask; + t = (t >> 6) * mul; + s = (int) (t >> 56) - 8 - 2; + break; + } + case RTX_16X64: { + uint64_t t = *(const uint32_t *) a & (uint32_t) mask; + t += *(const uint64_t *) &l[0] & mask; + t = (t >> 6) + ((*(const uint64_t *) &l[8] & mask) >> 6); + t *= mul; + s = (int) (t >> 56) - 4 - 16; + break; + } + case RTX_64X16: { + uint64_t t = *(const uint64_t *) &a[0] & mask; + t += *(const uint32_t *) l & (uint32_t) mask; + t = (t >> 6) + ((*(const uint64_t *) &a[8] & mask) >> 6); + t *= mul; + s = (int) (t >> 56) - 16 - 4; + break; + } + } + + return (s != 0) + (s > 0); +} + +static inline unsigned get_lo_ctx(const uint8_t *const levels, + const enum TxClass tx_class, + unsigned *const hi_mag, + const uint8_t (*const ctx_offsets)[5], + const unsigned x, const unsigned y, + const ptrdiff_t stride) +{ + unsigned mag = levels[0 * stride + 1] + levels[1 * stride + 0]; + unsigned offset; + if (tx_class == TX_CLASS_2D) { + mag += levels[1 * stride + 1]; + *hi_mag = mag; + mag += levels[0 * stride + 2] + levels[2 * stride + 0]; + offset = ctx_offsets[umin(y, 4)][umin(x, 4)]; + } else { + mag += levels[0 * stride + 2]; + *hi_mag = mag; + mag += levels[0 * stride + 3] + levels[0 * stride + 4]; + offset = 26 + (y > 1 ? 10 : y * 5); + } + return offset + (mag > 512 ? 4 : (mag + 64) >> 7); +} + +static int decode_coefs(Dav1dTaskContext *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 int lossless = f->frame_hdr->segmentation.lossless[b->seg_id]; + const TxfmInfo *const t_dim = &dav1d_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_skip_ctx(t_dim, bs, a, l, chroma, f->cur.p.layout); + const int all_skip = dav1d_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 = lossless * WHT_WHT; /* lossless ? WHT_WHT : DCT_DCT */ + return -1; + } + + // transform type (chroma: derived, luma: explicitly coded) + if (lossless) { + assert(t_dim->max == TX_4X4); + *txtp = WHT_WHT; + } else if (t_dim->max + intra >= TX_64X64) { + *txtp = DCT_DCT; + } else if (chroma) { + // inferred from either the luma txtp (inter) or a LUT (intra) + *txtp = intra ? dav1d_txtp_from_uvmode[b->uv_mode] : + get_uv_inter_txtp(t_dim, *txtp); + } else if (!f->frame_hdr->segmentation.qidx[b->seg_id]) { + // In libaom, lossless is checked by a literal qidx == 0, but not all + // such blocks are actually lossless. The remainder gets an implicit + // transform type (for luma) + *txtp = DCT_DCT; + } else { + unsigned idx; + if (intra) { + const enum IntraPredMode y_mode_nofilt = b->y_mode == FILTER_PRED ? + dav1d_filter_mode_to_y_mode[b->y_angle] : b->y_mode; + if (f->frame_hdr->reduced_txtp_set || t_dim->min == TX_16X16) { + idx = dav1d_msac_decode_symbol_adapt4(&ts->msac, + ts->cdf.m.txtp_intra2[t_dim->min][y_mode_nofilt], 4); + *txtp = dav1d_tx_types_per_set[idx + 0]; + } else { + idx = dav1d_msac_decode_symbol_adapt8(&ts->msac, + ts->cdf.m.txtp_intra1[t_dim->min][y_mode_nofilt], 6); + *txtp = dav1d_tx_types_per_set[idx + 5]; + } + if (dbg) + printf("Post-txtp-intra[%d->%d][%d][%d->%d]: r=%d\n", + tx, t_dim->min, y_mode_nofilt, idx, *txtp, ts->msac.rng); + } else { + if (f->frame_hdr->reduced_txtp_set || t_dim->max == TX_32X32) { + idx = dav1d_msac_decode_bool_adapt(&ts->msac, + ts->cdf.m.txtp_inter3[t_dim->min]); + *txtp = (idx - 1) & IDTX; /* idx ? DCT_DCT : IDTX */ + } else if (t_dim->min == TX_16X16) { + idx = dav1d_msac_decode_symbol_adapt16(&ts->msac, + ts->cdf.m.txtp_inter2, 11); + *txtp = dav1d_tx_types_per_set[idx + 12]; + } else { + idx = dav1d_msac_decode_symbol_adapt16(&ts->msac, + ts->cdf.m.txtp_inter1[t_dim->min], 15); + *txtp = dav1d_tx_types_per_set[idx + 24]; + } + if (dbg) + printf("Post-txtp-inter[%d->%d][%d->%d]: r=%d\n", + tx, t_dim->min, idx, *txtp, ts->msac.rng); + } + } + + // 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 = dav1d_tx_type_class[*txtp]; + const int is_1d = tx_class != TX_CLASS_2D; + switch (tx2dszctx) { +#define case_sz(sz, bin, ns, is_1d) \ + case sz: { \ + uint16_t *const eob_bin_cdf = ts->cdf.coef.eob_bin_##bin[chroma]is_1d; \ + eob_bin = dav1d_msac_decode_symbol_adapt##ns(&ts->msac, eob_bin_cdf, 4 + sz); \ + break; \ + } + case_sz(0, 16, 4, [is_1d]); + case_sz(1, 32, 8, [is_1d]); + case_sz(2, 64, 8, [is_1d]); + case_sz(3, 128, 8, [is_1d]); + case_sz(4, 256, 16, [is_1d]); + case_sz(5, 512, 16, ); + case_sz(6, 1024, 16, ); +#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) { + uint16_t *const eob_hi_bit_cdf = + ts->cdf.coef.eob_hi_bit[t_dim->ctx][chroma][eob_bin]; + const int eob_hi_bit = dav1d_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); + eob = ((eob_hi_bit | 2) << (eob_bin - 2)) | + dav1d_msac_decode_bools(&ts->msac, eob_bin - 2); + if (dbg) + printf("Post-eob[%d]: r=%d\n", eob, ts->msac.rng); + } else { + eob = eob_bin; + } + assert(eob >= 0); + + // base tokens + uint16_t (*const eob_cdf)[4] = ts->cdf.coef.eob_base_tok[t_dim->ctx][chroma]; + uint16_t (*const hi_cdf)[4] = ts->cdf.coef.br_tok[imin(t_dim->ctx, 3)][chroma]; + unsigned rc, dc_tok; + + if (eob) { + uint16_t (*const lo_cdf)[4] = ts->cdf.coef.base_tok[t_dim->ctx][chroma]; + uint8_t *const levels = t->scratch.levels; // bits 0-5: tok, 6-7: lo_tok + const int sw = imin(t_dim->w, 8), sh = imin(t_dim->h, 8); + + /* eob */ + unsigned ctx = 1 + (eob > sw * sh * 2) + (eob > sw * sh * 4); + int eob_tok = dav1d_msac_decode_symbol_adapt4(&ts->msac, eob_cdf[ctx], 2); + int tok = eob_tok + 1; + int level_tok = tok * 0x41; + unsigned mag; + +#define DECODE_COEFS_CLASS(tx_class) \ + unsigned x, y; \ + if (tx_class == TX_CLASS_2D) \ + rc = scan[eob], x = rc >> shift, y = rc & mask; \ + else if (tx_class == TX_CLASS_H) \ + /* Transposing reduces the stride and padding requirements */ \ + x = eob & mask, y = eob >> shift, rc = eob; \ + else /* tx_class == TX_CLASS_V */ \ + x = eob & mask, y = eob >> shift, rc = (x << shift2) | y; \ + if (dbg) \ + printf("Post-lo_tok[%d][%d][%d][%d=%d=%d]: r=%d\n", \ + t_dim->ctx, chroma, ctx, eob, rc, tok, ts->msac.rng); \ + if (eob_tok == 2) { \ + ctx = (tx_class == TX_CLASS_2D ? (x | y) > 1 : y != 0) ? 14 : 7; \ + tok = dav1d_msac_decode_hi_tok(&ts->msac, hi_cdf[ctx]); \ + level_tok = tok + (3 << 6); \ + if (dbg) \ + printf("Post-hi_tok[%d][%d][%d][%d=%d=%d]: r=%d\n", \ + imin(t_dim->ctx, 3), chroma, ctx, eob, rc, tok, \ + ts->msac.rng); \ + } \ + cf[rc] = tok << 11; \ + levels[x * stride + y] = (uint8_t) level_tok; \ + for (int i = eob - 1; i > 0; i--) { /* ac */ \ + unsigned rc_i; \ + if (tx_class == TX_CLASS_2D) \ + rc_i = scan[i], x = rc_i >> shift, y = rc_i & mask; \ + else if (tx_class == TX_CLASS_H) \ + x = i & mask, y = i >> shift, rc_i = i; \ + else /* tx_class == TX_CLASS_V */ \ + x = i & mask, y = i >> shift, rc_i = (x << shift2) | y; \ + assert(x < 32 && y < 32); \ + uint8_t *const level = levels + x * stride + y; \ + ctx = get_lo_ctx(level, tx_class, &mag, lo_ctx_offsets, x, y, stride); \ + if (tx_class == TX_CLASS_2D) \ + y |= x; \ + tok = dav1d_msac_decode_symbol_adapt4(&ts->msac, lo_cdf[ctx], 3); \ + if (dbg) \ + printf("Post-lo_tok[%d][%d][%d][%d=%d=%d]: r=%d\n", \ + t_dim->ctx, chroma, ctx, i, rc_i, tok, ts->msac.rng); \ + if (tok == 3) { \ + mag &= 63; \ + ctx = (y > (tx_class == TX_CLASS_2D) ? 14 : 7) + \ + (mag > 12 ? 6 : (mag + 1) >> 1); \ + tok = dav1d_msac_decode_hi_tok(&ts->msac, hi_cdf[ctx]); \ + if (dbg) \ + printf("Post-hi_tok[%d][%d][%d][%d=%d=%d]: r=%d\n", \ + imin(t_dim->ctx, 3), chroma, ctx, i, rc_i, tok, \ + ts->msac.rng); \ + *level = (uint8_t) (tok + (3 << 6)); \ + cf[rc_i] = (tok << 11) | rc; \ + rc = rc_i; \ + } else { \ + /* 0x1 for tok, 0x7ff as bitmask for rc, 0x41 for level_tok */ \ + tok *= 0x17ff41; \ + *level = (uint8_t) tok; \ + /* tok ? (tok << 11) | rc : 0 */ \ + tok = (tok >> 9) & (rc + ~0x7ffu); \ + if (tok) rc = rc_i; \ + cf[rc_i] = tok; \ + } \ + } \ + /* dc */ \ + ctx = (tx_class == TX_CLASS_2D) ? 0 : \ + get_lo_ctx(levels, tx_class, &mag, lo_ctx_offsets, 0, 0, stride); \ + dc_tok = dav1d_msac_decode_symbol_adapt4(&ts->msac, lo_cdf[ctx], 3); \ + if (dbg) \ + printf("Post-dc_lo_tok[%d][%d][%d][%d]: r=%d\n", \ + t_dim->ctx, chroma, ctx, dc_tok, ts->msac.rng); \ + if (dc_tok == 3) { \ + if (tx_class == TX_CLASS_2D) \ + mag = levels[0 * stride + 1] + levels[1 * stride + 0] + \ + levels[1 * stride + 1]; \ + mag &= 63; \ + ctx = mag > 12 ? 6 : (mag + 1) >> 1; \ + dc_tok = dav1d_msac_decode_hi_tok(&ts->msac, hi_cdf[ctx]); \ + if (dbg) \ + printf("Post-dc_hi_tok[%d][%d][0][%d]: r=%d\n", \ + imin(t_dim->ctx, 3), chroma, dc_tok, ts->msac.rng); \ + } \ + break + + const uint16_t *scan; + switch (tx_class) { + case TX_CLASS_2D: { + const unsigned nonsquare_tx = tx >= RTX_4X8; + const uint8_t (*const lo_ctx_offsets)[5] = + dav1d_lo_ctx_offsets[nonsquare_tx + (tx & nonsquare_tx)]; + scan = dav1d_scans[tx]; + const ptrdiff_t stride = 4 * sh; + const unsigned shift = t_dim->lh < 4 ? t_dim->lh + 2 : 5, shift2 = 0; + const unsigned mask = 4 * sh - 1; + memset(levels, 0, stride * (4 * sw + 2)); + DECODE_COEFS_CLASS(TX_CLASS_2D); + } + case TX_CLASS_H: { + const uint8_t (*const lo_ctx_offsets)[5] = NULL; + const ptrdiff_t stride = 16; + const unsigned shift = t_dim->lh + 2, shift2 = 0; + const unsigned mask = 4 * sh - 1; + memset(levels, 0, stride * (4 * sh + 2)); + DECODE_COEFS_CLASS(TX_CLASS_H); + } + case TX_CLASS_V: { + const uint8_t (*const lo_ctx_offsets)[5] = NULL; + const ptrdiff_t stride = 16; + const unsigned shift = t_dim->lw + 2, shift2 = t_dim->lh + 2; + const unsigned mask = 4 * sw - 1; + memset(levels, 0, stride * (4 * sw + 2)); + DECODE_COEFS_CLASS(TX_CLASS_V); + } +#undef DECODE_COEFS_CLASS + default: assert(0); + } + } else { // dc-only + int tok_br = dav1d_msac_decode_symbol_adapt4(&ts->msac, eob_cdf[0], 2); + dc_tok = 1 + tok_br; + if (dbg) + printf("Post-dc_lo_tok[%d][%d][%d][%d]: r=%d\n", + t_dim->ctx, chroma, 0, dc_tok, ts->msac.rng); + if (tok_br == 2) { + dc_tok = dav1d_msac_decode_hi_tok(&ts->msac, hi_cdf[0]); + if (dbg) + printf("Post-dc_hi_tok[%d][%d][0][%d]: r=%d\n", + imin(t_dim->ctx, 3), chroma, dc_tok, ts->msac.rng); + } + rc = 0; + } + + // residual and sign + const uint16_t *const dq_tbl = ts->dq[b->seg_id][plane]; + const uint8_t *const qm_tbl = *txtp < IDTX ? f->qm[tx][plane] : NULL; + const int dq_shift = imax(0, t_dim->ctx - 2); + const int cf_max = ~(~127U << (BITDEPTH == 8 ? 8 : f->cur.p.bpc)); + unsigned cul_level, dc_sign_level; + + if (!dc_tok) { + cul_level = 0; + dc_sign_level = 1 << 6; + if (qm_tbl) goto ac_qm; + goto ac_noqm; + } + + const int dc_sign_ctx = get_dc_sign_ctx(tx, a, l); + uint16_t *const dc_sign_cdf = ts->cdf.coef.dc_sign[chroma][dc_sign_ctx]; + const int dc_sign = dav1d_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, dc_sign, ts->msac.rng); + + int dc_dq = dq_tbl[0]; + dc_sign_level = (dc_sign - 1) & (2 << 6); + + if (qm_tbl) { + dc_dq = (dc_dq * qm_tbl[0] + 16) >> 5; + + if (dc_tok == 15) { + dc_tok = read_golomb(&ts->msac) + 15; + if (dbg) + printf("Post-dc_residual[%d->%d]: r=%d\n", + dc_tok - 15, dc_tok, ts->msac.rng); + + dc_tok &= 0xfffff; + dc_dq = (dc_dq * dc_tok) & 0xffffff; + } else { + dc_dq *= dc_tok; + assert(dc_dq <= 0xffffff); + } + cul_level = dc_tok; + dc_dq >>= dq_shift; + dc_dq = umin(dc_dq, cf_max + dc_sign); + cf[0] = (coef) (dc_sign ? -dc_dq : dc_dq); + + if (rc) ac_qm: { + const unsigned ac_dq = dq_tbl[1]; + do { + const int sign = dav1d_msac_decode_bool_equi(&ts->msac); + if (dbg) + printf("Post-sign[%d=%d]: r=%d\n", rc, sign, ts->msac.rng); + const unsigned rc_tok = cf[rc]; + unsigned tok, dq = (ac_dq * qm_tbl[rc] + 16) >> 5; + int dq_sat; + + if (rc_tok >= (15 << 11)) { + tok = read_golomb(&ts->msac) + 15; + if (dbg) + printf("Post-residual[%d=%d->%d]: r=%d\n", + rc, tok - 15, tok, ts->msac.rng); + + tok &= 0xfffff; + dq = (dq * tok) & 0xffffff; + } else { + tok = rc_tok >> 11; + dq *= tok; + assert(dq <= 0xffffff); + } + cul_level += tok; + dq >>= dq_shift; + dq_sat = umin(dq, cf_max + sign); + cf[rc] = (coef) (sign ? -dq_sat : dq_sat); + + rc = rc_tok & 0x3ff; + } while (rc); + } + } else { + // non-qmatrix is the common case and allows for additional optimizations + if (dc_tok == 15) { + dc_tok = read_golomb(&ts->msac) + 15; + if (dbg) + printf("Post-dc_residual[%d->%d]: r=%d\n", + dc_tok - 15, dc_tok, ts->msac.rng); + + dc_tok &= 0xfffff; + dc_dq = ((dc_dq * dc_tok) & 0xffffff) >> dq_shift; + dc_dq = umin(dc_dq, cf_max + dc_sign); + } else { + dc_dq = ((dc_dq * dc_tok) >> dq_shift); + assert(dc_dq <= cf_max); + } + cul_level = dc_tok; + cf[0] = (coef) (dc_sign ? -dc_dq : dc_dq); + + if (rc) ac_noqm: { + const unsigned ac_dq = dq_tbl[1]; + do { + const int sign = dav1d_msac_decode_bool_equi(&ts->msac); + if (dbg) + printf("Post-sign[%d=%d]: r=%d\n", rc, sign, ts->msac.rng); + const unsigned rc_tok = cf[rc]; + unsigned tok; + int dq; + + // residual + if (rc_tok >= (15 << 11)) { + tok = read_golomb(&ts->msac) + 15; + if (dbg) + printf("Post-residual[%d=%d->%d]: r=%d\n", + rc, tok - 15, tok, ts->msac.rng); + + // coefficient parsing, see 5.11.39 + tok &= 0xfffff; + + // dequant, see 7.12.3 + dq = ((ac_dq * tok) & 0xffffff) >> dq_shift; + dq = umin(dq, cf_max + sign); + } else { + // cannot exceed cf_max, so we can avoid the clipping + tok = rc_tok >> 11; + dq = ((ac_dq * tok) >> dq_shift); + assert(dq <= cf_max); + } + cul_level += tok; + cf[rc] = (coef) (sign ? -dq : dq); + + rc = rc_tok & 0x3ff; // next non-zero rc, zero if eob + } while (rc); + } + } + + // context + *res_ctx = umin(cul_level, 63) | dc_sign_level; + + return eob; +} + +static void read_coef_tree(Dav1dTaskContext *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 = &dav1d_txfm_dimensions[ytx]; + const int txw = t_dim->w, txh = t_dim->h; + + /* y_off can be larger than 3 since lossless blocks use TX_4X4 but can't + * be splitted. Aviods an undefined left shift. */ + if (depth < 2 && tx_split[depth] && + tx_split[depth] & (1 << (y_off * 4 + x_off))) + { + const enum RectTxfmSize sub = t_dim->sub; + const TxfmInfo *const sub_t_dim = &dav1d_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.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 (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + assert(ts->frame_thread[p].cf); + cf = ts->frame_thread[p].cf; + ts->frame_thread[p].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 = bitfn(t->cf); + } + if (t->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); +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir lcoef[off], cf_ctx, sz) + case_set_upto16_with_default(imin(txh, f->bh - t->by), l., 1, by4); + case_set_upto16_with_default(imin(txw, f->bw - t->bx), a->, 0, bx4); +#undef default_memset +#undef set_ctx +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + for (int y = 0; y < txh; y++) { \ + rep_macro(type, txtp_map, 0, mul * txtp); \ + txtp_map += 32; \ + } + uint8_t *txtp_map = &t->txtp_map[by4 * 32 + bx4]; + case_set_upto16(txw,,,); +#undef set_ctx + if (t->frame_thread.pass == 1) { + cbi->eob[0] = eob; + cbi->txtp[0] = txtp; + } + } else { + eob = cbi->eob[0]; + txtp = cbi->txtp[0]; + } + if (!(t->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.stride[0], cf, eob + HIGHBD_CALL_SUFFIX); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) + hex_dump(dst, f->cur.stride[0], t_dim->w * 4, t_dim->h * 4, "recon"); + } + } + } +} + +void bytefn(dav1d_read_coef_blocks)(Dav1dTaskContext *const t, + const enum BlockSize bs, const Av1Block *const b) +{ + const Dav1dFrameContext *const f = t->f; + 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 bx4 = t->bx & 31, by4 = t->by & 31; + const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; + const uint8_t *const b_dim = dav1d_block_dimensions[bs]; + const int bw4 = b_dim[0], bh4 = b_dim[1]; + const int cbw4 = (bw4 + ss_hor) >> ss_hor, cbh4 = (bh4 + ss_ver) >> ss_ver; + const int has_chroma = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400 && + (bw4 > ss_hor || t->bx & 1) && + (bh4 > ss_ver || t->by & 1); + + if (b->skip) { +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * 0x40) + case_set(bh4, l., 1, by4); + case_set(bw4, a->, 0, bx4); +#undef set_ctx + if (has_chroma) { +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[0], off, mul * 0x40); \ + rep_macro(type, t->dir ccoef[1], off, mul * 0x40) + case_set(cbh4, l., 1, cby4); + case_set(cbw4, a->, 0, cbx4); +#undef set_ctx + } + 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(t->frame_thread.pass == 1); + assert(!b->skip); + const TxfmInfo *const uv_t_dim = &dav1d_txfm_dimensions[b->uvtx]; + const TxfmInfo *const t_dim = &dav1d_txfm_dimensions[b->intra ? b->tx : b->max_ytx]; + const uint16_t tx_split[2] = { b->tx_split0, b->tx_split1 }; + + for (int init_y = 0; init_y < h4; init_y += 16) { + const int sub_h4 = imin(h4, 16 + init_y); + for (int init_x = 0; init_x < w4; init_x += 16) { + 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, 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[1].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[1].cf += imin(t_dim->w, 8) * imin(t_dim->h, 8) * 16; +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir lcoef[off], cf_ctx, sz) + case_set_upto16_with_default(imin(t_dim->h, f->bh - t->by), + l., 1, by4 + y); + case_set_upto16_with_default(imin(t_dim->w, f->bw - t->bx), + a->, 0, bx4 + x); +#undef default_memset +#undef set_ctx + } + } + 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[1].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[1].cf += uv_t_dim->w * uv_t_dim->h * 16; +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[pl], off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir ccoef[pl][off], cf_ctx, sz) + case_set_upto16_with_default( \ + imin(uv_t_dim->h, (f->bh - t->by + ss_ver) >> ss_ver), + l., 1, cby4 + y); + case_set_upto16_with_default( \ + imin(uv_t_dim->w, (f->bw - t->bx + ss_hor) >> ss_hor), + a->, 0, cbx4 + x); +#undef default_memset +#undef set_ctx + } + t->bx -= x << ss_hor; + } + t->by -= y << ss_ver; + } + } + } +} + +static int mc(Dav1dTaskContext *const t, + pixel *const dst8, int16_t *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 int refidx, + const enum Filter2d filter_2d) +{ + assert((dst8 != NULL) ^ (dst16 != NULL)); + const Dav1dFrameContext *const f = t->f; + const int ss_ver = !!pl && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = !!pl && f->cur.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); + ptrdiff_t ref_stride = refp->p.stride[!!pl]; + const pixel *ref; + + if (refp->p.p.w == f->cur.p.w && refp->p.p.h == f->cur.p.h) { + const int dx = bx * h_mul + (mvx >> (3 + ss_hor)); + const int dy = by * v_mul + (mvy >> (3 + ss_ver)); + int w, h; + + if (refp->p.data[0] != f->cur.data[0]) { // i.e. not for intrabc + w = (f->cur.p.w + ss_hor) >> ss_hor; + h = (f->cur.p.h + ss_ver) >> ss_ver; + } else { + w = f->bw * 4 >> ss_hor; + h = f->bh * 4 >> ss_ver; + } + if (dx < !!mx * 3 || dy < !!my * 3 || + dx + bw4 * h_mul + !!mx * 4 > w || + dy + bh4 * v_mul + !!my * 4 > h) + { + pixel *const emu_edge_buf = bitfn(t->scratch.emu_edge); + f->dsp->mc.emu_edge(bw4 * h_mul + !!mx * 7, bh4 * v_mul + !!my * 7, + w, h, dx - !!mx * 3, dy - !!my * 3, + emu_edge_buf, 192 * sizeof(pixel), + refp->p.data[pl], ref_stride); + ref = &emu_edge_buf[192 * !!my * 3 + !!mx * 3]; + ref_stride = 192 * 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 + HIGHBD_CALL_SUFFIX); + } else { + f->dsp->mc.mct[filter_2d](dst16, ref, ref_stride, bw4 * h_mul, + bh4 * v_mul, mx << !ss_hor, my << !ss_ver + HIGHBD_CALL_SUFFIX); + } + } else { + assert(refp != &f->sr_cur); + + const int orig_pos_y = (by * v_mul << 4) + mvy * (1 << !ss_ver); + const int orig_pos_x = (bx * h_mul << 4) + mvx * (1 << !ss_hor); +#define scale_mv(res, val, scale) do { \ + const int64_t tmp = (int64_t)(val) * scale + (scale - 0x4000) * 8; \ + res = apply_sign64((int) ((llabs(tmp) + 128) >> 8), tmp) + 32; \ + } while (0) + int pos_y, pos_x; + scale_mv(pos_x, orig_pos_x, f->svc[refidx][0].scale); + scale_mv(pos_y, orig_pos_y, f->svc[refidx][1].scale); +#undef scale_mv + const int left = pos_x >> 10; + const int top = pos_y >> 10; + const int right = + ((pos_x + (bw4 * h_mul - 1) * f->svc[refidx][0].step) >> 10) + 1; + const int bottom = + ((pos_y + (bh4 * v_mul - 1) * f->svc[refidx][1].step) >> 10) + 1; + + if (DEBUG_BLOCK_INFO) + printf("Off %dx%d [%d,%d,%d], size %dx%d [%d,%d]\n", + left, top, orig_pos_x, f->svc[refidx][0].scale, refidx, + right-left, bottom-top, + f->svc[refidx][0].step, f->svc[refidx][1].step); + + const int w = (refp->p.p.w + ss_hor) >> ss_hor; + const int h = (refp->p.p.h + ss_ver) >> ss_ver; + if (left < 3 || top < 3 || right + 4 > w || bottom + 4 > h) { + pixel *const emu_edge_buf = bitfn(t->scratch.emu_edge); + f->dsp->mc.emu_edge(right - left + 7, bottom - top + 7, + w, h, left - 3, top - 3, + emu_edge_buf, 320 * sizeof(pixel), + refp->p.data[pl], ref_stride); + ref = &emu_edge_buf[320 * 3 + 3]; + ref_stride = 320 * sizeof(pixel); + if (DEBUG_BLOCK_INFO) printf("Emu\n"); + } else { + ref = ((pixel *) refp->p.data[pl]) + PXSTRIDE(ref_stride) * top + left; + } + + if (dst8 != NULL) { + f->dsp->mc.mc_scaled[filter_2d](dst8, dst_stride, ref, ref_stride, + bw4 * h_mul, bh4 * v_mul, + pos_x & 0x3ff, pos_y & 0x3ff, + f->svc[refidx][0].step, + f->svc[refidx][1].step + HIGHBD_CALL_SUFFIX); + } else { + f->dsp->mc.mct_scaled[filter_2d](dst16, ref, ref_stride, + bw4 * h_mul, bh4 * v_mul, + pos_x & 0x3ff, pos_y & 0x3ff, + f->svc[refidx][0].step, + f->svc[refidx][1].step + HIGHBD_CALL_SUFFIX); + } + } + + return 0; +} + +static int obmc(Dav1dTaskContext *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_block **r = &t->rt.r[(t->by & 31) + 5]; + pixel *const lap = bitfn(t->scratch.lap); + const int ss_ver = !!pl && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = !!pl && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; + const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver; + int res; + + 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_block *const a_r = &r[-1][t->bx + x + 1]; + const uint8_t *const a_b_dim = dav1d_block_dimensions[a_r->bs]; + const int step4 = iclip(a_b_dim[0], 2, 16); + + if (a_r->ref.ref[0] > 0) { + const int ow4 = imin(step4, b_dim[0]); + const int oh4 = imin(b_dim[1], 16) >> 1; + res = mc(t, lap, NULL, ow4 * h_mul * sizeof(pixel), ow4, (oh4 * 3 + 3) >> 2, + t->bx + x, t->by, pl, a_r->mv.mv[0], + &f->refp[a_r->ref.ref[0] - 1], a_r->ref.ref[0] - 1, + dav1d_filter_2d[t->a->filter[1][bx4 + x + 1]][t->a->filter[0][bx4 + x + 1]]); + if (res) return res; + f->dsp->mc.blend_h(&dst[x * h_mul], dst_stride, lap, + h_mul * ow4, v_mul * oh4); + i++; + } + x += step4; + } + } + + 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_block *const l_r = &r[y + 1][t->bx - 1]; + const uint8_t *const l_b_dim = dav1d_block_dimensions[l_r->bs]; + const int step4 = iclip(l_b_dim[1], 2, 16); + + if (l_r->ref.ref[0] > 0) { + const int ow4 = imin(b_dim[0], 16) >> 1; + const int oh4 = imin(step4, b_dim[1]); + res = mc(t, lap, NULL, h_mul * ow4 * sizeof(pixel), ow4, oh4, + t->bx, t->by + y, pl, l_r->mv.mv[0], + &f->refp[l_r->ref.ref[0] - 1], l_r->ref.ref[0] - 1, + dav1d_filter_2d[t->l.filter[1][by4 + y + 1]][t->l.filter[0][by4 + y + 1]]); + if (res) return res; + f->dsp->mc.blend_v(&dst[y * v_mul * PXSTRIDE(dst_stride)], + dst_stride, lap, h_mul * ow4, v_mul * oh4); + i++; + } + y += step4; + } + return 0; +} + +static int warp_affine(Dav1dTaskContext *const t, + pixel *dst8, int16_t *dst16, const ptrdiff_t dstride, + const uint8_t *const b_dim, const int pl, + const Dav1dThreadPicture *const refp, + const Dav1dWarpedMotionParams *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.layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = !!pl && f->cur.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 = (refp->p.p.w + ss_hor) >> ss_hor; + const int height = (refp->p.p.h + ss_ver) >> ss_ver; + + for (int y = 0; y < b_dim[1] * v_mul; y += 8) { + const int src_y = t->by * 4 + ((y + 4) << ss_ver); + const int64_t mat3_y = (int64_t) mat[3] * src_y + mat[0]; + const int64_t mat5_y = (int64_t) mat[5] * src_y + mat[1]; + 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 int64_t mvx = ((int64_t) mat[2] * src_x + mat3_y) >> ss_hor; + const int64_t mvy = ((int64_t) mat[4] * src_x + mat5_y) >> ss_ver; + + const int dx = (int) (mvx >> 16) - 4; + const int mx = (((int) mvx & 0xffff) - wmp->u.p.alpha * 4 - + wmp->u.p.beta * 7) & ~0x3f; + const int dy = (int) (mvy >> 16) - 4; + const int my = (((int) mvy & 0xffff) - wmp->u.p.gamma * 4 - + wmp->u.p.delta * 4) & ~0x3f; + + const pixel *ref_ptr; + ptrdiff_t ref_stride = refp->p.stride[!!pl]; + + if (dx < 3 || dx + 8 + 4 > width || dy < 3 || dy + 8 + 4 > height) { + pixel *const emu_edge_buf = bitfn(t->scratch.emu_edge); + f->dsp->mc.emu_edge(15, 15, width, height, dx - 3, dy - 3, + emu_edge_buf, 32 * sizeof(pixel), + refp->p.data[pl], ref_stride); + ref_ptr = &emu_edge_buf[32 * 3 + 3]; + ref_stride = 32 * 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->u.abcd, mx, my HIGHBD_CALL_SUFFIX); + else + dsp->mc.warp8x8(&dst8[x], dstride, ref_ptr, ref_stride, + wmp->u.abcd, mx, my HIGHBD_CALL_SUFFIX); + } + if (dst8) dst8 += 8 * PXSTRIDE(dstride); + else dst16 += 8 * dstride; + } + return 0; +} + +void bytefn(dav1d_recon_b_intra)(Dav1dTaskContext *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.layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; + const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; + const uint8_t *const b_dim = dav1d_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->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400 && + (bw4 > ss_hor || t->bx & 1) && + (bh4 > ss_ver || t->by & 1); + const TxfmInfo *const t_dim = &dav1d_txfm_dimensions[b->tx]; + const TxfmInfo *const uv_t_dim = &dav1d_txfm_dimensions[b->uvtx]; + + // coefficient coding + pixel *const edge = bitfn(t->scratch.edge) + 128; + const int cbw4 = (bw4 + ss_hor) >> ss_hor, cbh4 = (bh4 + ss_ver) >> ss_ver; + + const int intra_edge_filter_flag = f->seq_hdr->intra_edge_filter << 10; + + for (int init_y = 0; init_y < h4; init_y += 16) { + const int sub_h4 = imin(h4, 16 + init_y); + const int sub_ch4 = imin(ch4, (init_y + 16) >> ss_ver); + for (int init_x = 0; init_x < w4; init_x += 16) { + if (b->pal_sz[0]) { + pixel *dst = ((pixel *) f->cur.data[0]) + + 4 * (t->by * PXSTRIDE(f->cur.stride[0]) + t->bx); + const uint8_t *pal_idx; + if (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + assert(ts->frame_thread[p].pal_idx); + pal_idx = ts->frame_thread[p].pal_idx; + ts->frame_thread[p].pal_idx += bw4 * bh4 * 16; + } else { + pal_idx = t->scratch.pal_idx; + } + const uint16_t *const pal = t->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->scratch.pal[0]; + f->dsp->ipred.pal_pred(dst, f->cur.stride[0], pal, + pal_idx, bw4 * 4, bh4 * 4); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) + hex_dump(dst, PXSTRIDE(f->cur.stride[0]), + bw4 * 4, bh4 * 4, "y-pal-pred"); + } + + const int intra_flags = (sm_flag(t->a, bx4) | + sm_flag(&t->l, by4) | + intra_edge_filter_flag); + 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_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.data[0]) + + 4 * (t->by * PXSTRIDE(f->cur.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(dav1d_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.stride[0], top_sb_edge, + b->y_mode, &angle, + t_dim->w, t_dim->h, + f->seq_hdr->intra_edge_filter, + edge HIGHBD_CALL_SUFFIX); + dsp->ipred.intra_pred[m](dst, f->cur.stride[0], edge, + t_dim->w * 4, t_dim->h * 4, + angle | intra_flags, + 4 * f->bw - 4 * t->bx, + 4 * f->bh - 4 * t->by + HIGHBD_CALL_SUFFIX); + + 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.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 (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + cf = ts->frame_thread[p].cf; + ts->frame_thread[p].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 = bitfn(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); +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir lcoef[off], cf_ctx, sz) + case_set_upto16_with_default(imin(t_dim->h, f->bh - t->by), \ + l., 1, by4 + y); + case_set_upto16_with_default(imin(t_dim->w, f->bw - t->bx), \ + a->, 0, bx4 + x); +#undef default_memset +#undef set_ctx + } + 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.stride[0], + cf, eob HIGHBD_CALL_SUFFIX); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) + hex_dump(dst, f->cur.stride[0], + t_dim->w * 4, t_dim->h * 4, "recon"); + } + } else if (!t->frame_thread.pass) { +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * 0x40) + case_set_upto16(t_dim->h, l., 1, by4 + y); + case_set_upto16(t_dim->w, a->, 0, bx4 + x); +#undef set_ctx + } + dst += 4 * t_dim->w; + } + t->bx -= x; + } + t->by -= y; + + if (!has_chroma) continue; + + const ptrdiff_t stride = f->cur.stride[1]; + + if (b->uv_mode == CFL_PRED) { + assert(!init_x && !init_y); + + int16_t *const ac = t->scratch.ac; + pixel *y_src = ((pixel *) f->cur.data[0]) + 4 * (t->bx & ~ss_hor) + + 4 * (t->by & ~ss_ver) * PXSTRIDE(f->cur.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.data[1]) + uv_off, + ((pixel *) f->cur.data[2]) + uv_off }; + + 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.layout - 1](ac, y_src, f->cur.stride[0], + cbw4 - (furthest_r >> ss_hor), + cbh4 - (furthest_b >> ss_ver), + cbw4 * 4, cbh4 * 4); + for (int pl = 0; pl < 2; pl++) { + if (!b->cfl_alpha[pl]) continue; + 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 int xpos = t->bx >> ss_hor, ypos = t->by >> ss_ver; + const int xstart = ts->tiling.col_start >> ss_hor; + const int ystart = ts->tiling.row_start >> ss_ver; + const enum IntraPredMode m = + bytefn(dav1d_prepare_intra_edges)(xpos, xpos > xstart, + ypos, ypos > ystart, + ts->tiling.col_end >> ss_hor, + ts->tiling.row_end >> ss_ver, + 0, uv_dst[pl], stride, + top_sb_edge, DC_PRED, &angle, + uv_t_dim->w, uv_t_dim->h, 0, + edge HIGHBD_CALL_SUFFIX); + dsp->ipred.cfl_pred[m](uv_dst[pl], stride, edge, + uv_t_dim->w * 4, + uv_t_dim->h * 4, + ac, b->cfl_alpha[pl] + HIGHBD_CALL_SUFFIX); + } + 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]) { + const ptrdiff_t uv_dstoff = 4 * ((t->bx >> ss_hor) + + (t->by >> ss_ver) * PXSTRIDE(f->cur.stride[1])); + const uint16_t (*pal)[8]; + const uint8_t *pal_idx; + if (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + assert(ts->frame_thread[p].pal_idx); + pal = f->frame_thread.pal[((t->by >> 1) + (t->bx & 1)) * (f->b4_stride >> 1) + + ((t->bx >> 1) + (t->by & 1))]; + pal_idx = ts->frame_thread[p].pal_idx; + ts->frame_thread[p].pal_idx += cbw4 * cbh4 * 16; + } else { + pal = t->scratch.pal; + pal_idx = &t->scratch.pal_idx[bw4 * bh4 * 16]; + } + + f->dsp->ipred.pal_pred(((pixel *) f->cur.data[1]) + uv_dstoff, + f->cur.stride[1], pal[1], + pal_idx, cbw4 * 4, cbh4 * 4); + f->dsp->ipred.pal_pred(((pixel *) f->cur.data[2]) + uv_dstoff, + f->cur.stride[1], pal[2], + pal_idx, cbw4 * 4, cbh4 * 4); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { + hex_dump(((pixel *) f->cur.data[1]) + uv_dstoff, + PXSTRIDE(f->cur.stride[1]), + cbw4 * 4, cbh4 * 4, "u-pal-pred"); + hex_dump(((pixel *) f->cur.data[2]) + uv_dstoff, + PXSTRIDE(f->cur.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.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.layout - 1)); + 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.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->cfl_alpha[pl]) || + 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 uv_mode = + b->uv_mode == CFL_PRED ? DC_PRED : b->uv_mode; + const int xpos = t->bx >> ss_hor, ypos = t->by >> ss_ver; + const int xstart = ts->tiling.col_start >> ss_hor; + const int ystart = ts->tiling.row_start >> ss_ver; + const enum IntraPredMode m = + bytefn(dav1d_prepare_intra_edges)(xpos, xpos > xstart, + ypos, ypos > ystart, + ts->tiling.col_end >> ss_hor, + ts->tiling.row_end >> ss_ver, + edge_flags, dst, stride, + top_sb_edge, uv_mode, + &angle, uv_t_dim->w, + uv_t_dim->h, + f->seq_hdr->intra_edge_filter, + edge HIGHBD_CALL_SUFFIX); + angle |= intra_edge_filter_flag; + dsp->ipred.intra_pred[m](dst, stride, edge, + uv_t_dim->w * 4, + uv_t_dim->h * 4, + angle | sm_uv_fl, + (4 * f->bw + ss_hor - + 4 * (t->bx & ~ss_hor)) >> ss_hor, + (4 * f->bh + ss_ver - + 4 * (t->by & ~ss_ver)) >> ss_ver + HIGHBD_CALL_SUFFIX); + 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 (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + cf = ts->frame_thread[p].cf; + ts->frame_thread[p].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 = bitfn(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); +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[pl], off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir ccoef[pl][off], cf_ctx, sz) + case_set_upto16_with_default( \ + imin(uv_t_dim->h, (f->bh - t->by + ss_ver) >> ss_ver), + l., 1, cby4 + y); + case_set_upto16_with_default( \ + imin(uv_t_dim->w, (f->bw - t->bx + ss_hor) >> ss_hor), + a->, 0, cbx4 + x); +#undef default_memset +#undef set_ctx + } + 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 HIGHBD_CALL_SUFFIX); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) + hex_dump(dst, stride, uv_t_dim->w * 4, + uv_t_dim->h * 4, "recon"); + } + } else if (!t->frame_thread.pass) { +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[pl], off, mul * 0x40) + case_set_upto16(uv_t_dim->h, l., 1, cby4 + y); + case_set_upto16(uv_t_dim->w, a->, 0, cbx4 + x); +#undef set_ctx + } + dst += uv_t_dim->w * 4; + } + t->bx -= x << ss_hor; + } + t->by -= y << ss_ver; + } + } + } +} + +int bytefn(dav1d_recon_b_inter)(Dav1dTaskContext *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.layout == DAV1D_PIXEL_LAYOUT_I420; + const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; + const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver; + const uint8_t *const b_dim = dav1d_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->cur.p.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.layout == DAV1D_PIXEL_LAYOUT_I400 ? 0 : + DAV1D_PIXEL_LAYOUT_I444 - f->cur.p.layout; + int res; + + // prediction + const int cbh4 = (bh4 + ss_ver) >> ss_ver, cbw4 = (bw4 + ss_hor) >> ss_hor; + pixel *dst = ((pixel *) f->cur.data[0]) + + 4 * (t->by * PXSTRIDE(f->cur.stride[0]) + t->bx); + const ptrdiff_t uvdstoff = + 4 * ((t->bx >> ss_hor) + (t->by >> ss_ver) * PXSTRIDE(f->cur.stride[1])); + if (IS_KEY_OR_INTRA(f->frame_hdr)) { + // intrabc + assert(!f->frame_hdr->super_res.enabled); + res = mc(t, dst, NULL, f->cur.stride[0], bw4, bh4, t->bx, t->by, 0, + b->mv[0], &f->sr_cur, 0 /* unused */, FILTER_2D_BILINEAR); + if (res) return res; + if (has_chroma) for (int pl = 1; pl < 3; pl++) { + res = mc(t, ((pixel *)f->cur.data[pl]) + uvdstoff, NULL, f->cur.stride[1], + bw4 << (bw4 == ss_hor), bh4 << (bh4 == ss_ver), + t->bx & ~ss_hor, t->by & ~ss_ver, pl, b->mv[0], + &f->sr_cur, 0 /* unused */, FILTER_2D_BILINEAR); + if (res) return res; + } + } 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->gmv_warp_allowed[b->ref[0]]) || + (b->motion_mode == MM_WARP && t->warpmv.type > DAV1D_WM_TYPE_TRANSLATION))) + { + res = warp_affine(t, dst, NULL, f->cur.stride[0], b_dim, 0, refp, + b->motion_mode == MM_WARP ? &t->warpmv : + &f->frame_hdr->gmv[b->ref[0]]); + if (res) return res; + } else { + res = mc(t, dst, NULL, f->cur.stride[0], + bw4, bh4, t->bx, t->by, 0, b->mv[0], refp, b->ref[0], filter_2d); + if (res) return res; + if (b->motion_mode == MM_OBMC) { + res = obmc(t, dst, f->cur.stride[0], b_dim, 0, bx4, by4, w4, h4); + if (res) return res; + } + } + if (b->interintra_type) { + pixel *const tl_edge = bitfn(t->scratch.edge) + 32; + enum IntraPredMode m = b->interintra_mode == II_SMOOTH_PRED ? + SMOOTH_PRED : b->interintra_mode; + pixel *const tmp = bitfn(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(dav1d_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.stride[0], top_sb_edge, + m, &angle, bw4, bh4, 0, tl_edge + HIGHBD_CALL_SUFFIX); + dsp->ipred.intra_pred[m](tmp, 4 * bw4 * sizeof(pixel), + tl_edge, bw4 * 4, bh4 * 4, 0, 0, 0 + HIGHBD_CALL_SUFFIX); + const uint8_t *const ii_mask = + b->interintra_type == INTER_INTRA_BLEND ? + dav1d_ii_masks[bs][0][b->interintra_mode] : + dav1d_wedge_masks[bs][0][0][b->wedge_idx]; + dsp->mc.blend(dst, f->cur.stride[0], tmp, + bw4 * 4, bh4 * 4, ii_mask); + } + + if (!has_chroma) goto skip_inter_chroma_pred; + + // sub8x8 derivation + int is_sub8x8 = bw4 == ss_hor || bh4 == ss_ver; + refmvs_block *const *r; + if (is_sub8x8) { + assert(ss_hor == 1); + r = &t->rt.r[(t->by & 31) + 5]; + if (bw4 == 1) is_sub8x8 &= r[0][t->bx - 1].ref.ref[0] > 0; + if (bh4 == ss_ver) is_sub8x8 &= r[-1][t->bx].ref.ref[0] > 0; + if (bw4 == 1 && bh4 == ss_ver) + is_sub8x8 &= r[-1][t->bx - 1].ref.ref[0] > 0; + } + + // chroma prediction + if (is_sub8x8) { + assert(ss_hor == 1); + ptrdiff_t h_off = 0, v_off = 0; + if (bw4 == 1 && bh4 == ss_ver) { + for (int pl = 0; pl < 2; pl++) { + res = mc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff, + NULL, f->cur.stride[1], + bw4, bh4, t->bx - 1, t->by - 1, 1 + pl, + r[-1][t->bx - 1].mv.mv[0], + &f->refp[r[-1][t->bx - 1].ref.ref[0] - 1], + r[-1][t->bx - 1].ref.ref[0] - 1, + t->frame_thread.pass != 2 ? t->tl_4x4_filter : + f->frame_thread.b[((t->by - 1) * f->b4_stride) + t->bx - 1].filter2d); + if (res) return res; + } + v_off = 2 * PXSTRIDE(f->cur.stride[1]); + h_off = 2; + } + if (bw4 == 1) { + const enum Filter2d left_filter_2d = + dav1d_filter_2d[t->l.filter[1][by4]][t->l.filter[0][by4]]; + for (int pl = 0; pl < 2; pl++) { + res = mc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff + v_off, NULL, + f->cur.stride[1], bw4, bh4, t->bx - 1, + t->by, 1 + pl, r[0][t->bx - 1].mv.mv[0], + &f->refp[r[0][t->bx - 1].ref.ref[0] - 1], + r[0][t->bx - 1].ref.ref[0] - 1, + t->frame_thread.pass != 2 ? left_filter_2d : + f->frame_thread.b[(t->by * f->b4_stride) + t->bx - 1].filter2d); + if (res) return res; + } + h_off = 2; + } + if (bh4 == ss_ver) { + const enum Filter2d top_filter_2d = + dav1d_filter_2d[t->a->filter[1][bx4]][t->a->filter[0][bx4]]; + for (int pl = 0; pl < 2; pl++) { + res = mc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff + h_off, NULL, + f->cur.stride[1], bw4, bh4, t->bx, t->by - 1, + 1 + pl, r[-1][t->bx].mv.mv[0], + &f->refp[r[-1][t->bx].ref.ref[0] - 1], + r[-1][t->bx].ref.ref[0] - 1, + t->frame_thread.pass != 2 ? top_filter_2d : + f->frame_thread.b[((t->by - 1) * f->b4_stride) + t->bx].filter2d); + if (res) return res; + } + v_off = 2 * PXSTRIDE(f->cur.stride[1]); + } + for (int pl = 0; pl < 2; pl++) { + res = mc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff + h_off + v_off, NULL, f->cur.stride[1], + bw4, bh4, t->bx, t->by, 1 + pl, b->mv[0], + refp, b->ref[0], filter_2d); + if (res) return res; + } + } else { + if (imin(cbw4, cbh4) > 1 && + ((b->inter_mode == GLOBALMV && f->gmv_warp_allowed[b->ref[0]]) || + (b->motion_mode == MM_WARP && t->warpmv.type > DAV1D_WM_TYPE_TRANSLATION))) + { + for (int pl = 0; pl < 2; pl++) { + res = warp_affine(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff, NULL, + f->cur.stride[1], b_dim, 1 + pl, refp, + b->motion_mode == MM_WARP ? &t->warpmv : + &f->frame_hdr->gmv[b->ref[0]]); + if (res) return res; + } + } else { + for (int pl = 0; pl < 2; pl++) { + res = mc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff, + NULL, f->cur.stride[1], + bw4 << (bw4 == ss_hor), bh4 << (bh4 == ss_ver), + t->bx & ~ss_hor, t->by & ~ss_ver, + 1 + pl, b->mv[0], refp, b->ref[0], filter_2d); + if (res) return res; + if (b->motion_mode == MM_OBMC) { + res = obmc(t, ((pixel *) f->cur.data[1 + pl]) + uvdstoff, + f->cur.stride[1], b_dim, 1 + pl, bx4, by4, w4, h4); + if (res) return res; + } + } + } + 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 uint8_t *const ii_mask = + b->interintra_type == INTER_INTRA_BLEND ? + dav1d_ii_masks[bs][chr_layout_idx][b->interintra_mode] : + dav1d_wedge_masks[bs][chr_layout_idx][0][b->wedge_idx]; + + for (int pl = 0; pl < 2; pl++) { + pixel *const tmp = bitfn(t->scratch.interintra); + pixel *const tl_edge = bitfn(t->scratch.edge) + 32; + enum IntraPredMode m = + b->interintra_mode == II_SMOOTH_PRED ? + SMOOTH_PRED : b->interintra_mode; + int angle = 0; + pixel *const uvdst = ((pixel *) f->cur.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(dav1d_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.stride[1], + top_sb_edge, m, + &angle, cbw4, cbh4, 0, tl_edge + HIGHBD_CALL_SUFFIX); + dsp->ipred.intra_pred[m](tmp, cbw4 * 4 * sizeof(pixel), + tl_edge, cbw4 * 4, cbh4 * 4, 0, 0, 0 + HIGHBD_CALL_SUFFIX); + dsp->mc.blend(uvdst, f->cur.stride[1], tmp, + cbw4 * 4, cbh4 * 4, ii_mask); + } + } + } + + skip_inter_chroma_pred: {} + t->tl_4x4_filter = filter_2d; + } else { + const enum Filter2d filter_2d = b->filter2d; + // Maximum super block size is 128x128 + int16_t (*tmp)[128 * 128] = 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->gmv_warp_allowed[b->ref[i]]) { + res = warp_affine(t, NULL, tmp[i], bw4 * 4, b_dim, 0, refp, + &f->frame_hdr->gmv[b->ref[i]]); + if (res) return res; + } else { + res = mc(t, NULL, tmp[i], 0, bw4, bh4, t->bx, t->by, 0, + b->mv[i], refp, b->ref[i], filter_2d); + if (res) return res; + } + } + switch (b->comp_type) { + case COMP_INTER_AVG: + dsp->mc.avg(dst, f->cur.stride[0], tmp[0], tmp[1], + bw4 * 4, bh4 * 4 HIGHBD_CALL_SUFFIX); + break; + case COMP_INTER_WEIGHTED_AVG: + jnt_weight = f->jnt_weights[b->ref[0]][b->ref[1]]; + dsp->mc.w_avg(dst, f->cur.stride[0], tmp[0], tmp[1], + bw4 * 4, bh4 * 4, jnt_weight HIGHBD_CALL_SUFFIX); + break; + case COMP_INTER_SEG: + dsp->mc.w_mask[chr_layout_idx](dst, f->cur.stride[0], + tmp[b->mask_sign], tmp[!b->mask_sign], + bw4 * 4, bh4 * 4, seg_mask, + b->mask_sign HIGHBD_CALL_SUFFIX); + mask = seg_mask; + break; + case COMP_INTER_WEDGE: + mask = dav1d_wedge_masks[bs][0][0][b->wedge_idx]; + dsp->mc.mask(dst, f->cur.stride[0], + tmp[b->mask_sign], tmp[!b->mask_sign], + bw4 * 4, bh4 * 4, mask HIGHBD_CALL_SUFFIX); + if (has_chroma) + mask = dav1d_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->gmv_warp_allowed[b->ref[i]]) + { + res = warp_affine(t, NULL, tmp[i], bw4 * 4 >> ss_hor, + b_dim, 1 + pl, + refp, &f->frame_hdr->gmv[b->ref[i]]); + if (res) return res; + } else { + res = mc(t, NULL, tmp[i], 0, bw4, bh4, t->bx, t->by, + 1 + pl, b->mv[i], refp, b->ref[i], filter_2d); + if (res) return res; + } + } + pixel *const uvdst = ((pixel *) f->cur.data[1 + pl]) + uvdstoff; + switch (b->comp_type) { + case COMP_INTER_AVG: + dsp->mc.avg(uvdst, f->cur.stride[1], tmp[0], tmp[1], + bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver + HIGHBD_CALL_SUFFIX); + break; + case COMP_INTER_WEIGHTED_AVG: + dsp->mc.w_avg(uvdst, f->cur.stride[1], tmp[0], tmp[1], + bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver, jnt_weight + HIGHBD_CALL_SUFFIX); + break; + case COMP_INTER_WEDGE: + case COMP_INTER_SEG: + dsp->mc.mask(uvdst, f->cur.stride[1], + tmp[b->mask_sign], tmp[!b->mask_sign], + bw4 * 4 >> ss_hor, bh4 * 4 >> ss_ver, mask + HIGHBD_CALL_SUFFIX); + break; + } + } + } + + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) { + hex_dump(dst, f->cur.stride[0], b_dim[0] * 4, b_dim[1] * 4, "y-pred"); + if (has_chroma) { + hex_dump(&((pixel *) f->cur.data[1])[uvdstoff], f->cur.stride[1], + cbw4 * 4, cbh4 * 4, "u-pred"); + hex_dump(&((pixel *) f->cur.data[2])[uvdstoff], f->cur.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 +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir lcoef, off, mul * 0x40) + case_set(bh4, l., 1, by4); + case_set(bw4, a->, 0, bx4); +#undef set_ctx + if (has_chroma) { +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[0], off, mul * 0x40); \ + rep_macro(type, t->dir ccoef[1], off, mul * 0x40) + case_set(cbh4, l., 1, cby4); + case_set(cbw4, a->, 0, cbx4); +#undef set_ctx + } + return 0; + } + + const TxfmInfo *const uvtx = &dav1d_txfm_dimensions[b->uvtx]; + const TxfmInfo *const ytx = &dav1d_txfm_dimensions[b->max_ytx]; + const uint16_t tx_split[2] = { b->tx_split0, b->tx_split1 }; + + 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.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, tx_split, + x_off, y_off, &dst[x * 4]); + t->bx += ytx->w; + } + dst += PXSTRIDE(f->cur.stride[0]) * 4 * ytx->h; + t->bx -= x; + t->by += ytx->h; + } + dst -= PXSTRIDE(f->cur.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.data[1 + pl]) + uvdstoff + + (PXSTRIDE(f->cur.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 (t->frame_thread.pass) { + const int p = t->frame_thread.pass & 1; + cf = ts->frame_thread[p].cf; + ts->frame_thread[p].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 = bitfn(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); +#define set_ctx(type, dir, diridx, off, mul, rep_macro) \ + rep_macro(type, t->dir ccoef[pl], off, mul * cf_ctx) +#define default_memset(dir, diridx, off, sz) \ + memset(&t->dir ccoef[pl][off], cf_ctx, sz) + case_set_upto16_with_default( \ + imin(uvtx->h, (f->bh - t->by + ss_ver) >> ss_ver), + l., 1, cby4 + y); + case_set_upto16_with_default( \ + imin(uvtx->w, (f->bw - t->bx + ss_hor) >> ss_hor), + a->, 0, cbx4 + x); +#undef default_memset +#undef set_ctx + } + 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.stride[1], + cf, eob HIGHBD_CALL_SUFFIX); + if (DEBUG_BLOCK_INFO && DEBUG_B_PIXELS) + hex_dump(&uvdst[4 * x], f->cur.stride[1], + uvtx->w * 4, uvtx->h * 4, "recon"); + } + t->bx += uvtx->w << ss_hor; + } + uvdst += PXSTRIDE(f->cur.stride[1]) * 4 * uvtx->h; + t->bx -= x << ss_hor; + t->by += uvtx->h << ss_ver; + } + t->by -= y << ss_ver; + } + } + } + return 0; +} + +void bytefn(dav1d_filter_sbrow_deblock_cols)(Dav1dFrameContext *const f, const int sby) { + if (!(f->c->inloop_filters & DAV1D_INLOOPFILTER_DEBLOCK) || + (!f->frame_hdr->loopfilter.level_y[0] && !f->frame_hdr->loopfilter.level_y[1])) + { + return; + } + const int y = sby * f->sb_step * 4; + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + pixel *const p[3] = { + f->lf.p[0] + y * PXSTRIDE(f->cur.stride[0]), + f->lf.p[1] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + f->lf.p[2] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver) + }; + Av1Filter *mask = f->lf.mask + (sby >> !f->seq_hdr->sb128) * f->sb128w; + bytefn(dav1d_loopfilter_sbrow_cols)(f, p, mask, sby, + f->lf.start_of_tile_row[sby]); +} + +void bytefn(dav1d_filter_sbrow_deblock_rows)(Dav1dFrameContext *const f, const int sby) { + const int y = sby * f->sb_step * 4; + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + pixel *const p[3] = { + f->lf.p[0] + y * PXSTRIDE(f->cur.stride[0]), + f->lf.p[1] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + f->lf.p[2] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver) + }; + Av1Filter *mask = f->lf.mask + (sby >> !f->seq_hdr->sb128) * f->sb128w; + if (f->c->inloop_filters & DAV1D_INLOOPFILTER_DEBLOCK && + (f->frame_hdr->loopfilter.level_y[0] || f->frame_hdr->loopfilter.level_y[1])) + { + bytefn(dav1d_loopfilter_sbrow_rows)(f, p, mask, sby); + } + if (f->seq_hdr->cdef || f->lf.restore_planes) { + // Store loop filtered pixels required by CDEF / LR + bytefn(dav1d_copy_lpf)(f, p, sby); + } +} + +void bytefn(dav1d_filter_sbrow_cdef)(Dav1dTaskContext *const tc, const int sby) { + const Dav1dFrameContext *const f = tc->f; + if (!(f->c->inloop_filters & DAV1D_INLOOPFILTER_CDEF)) return; + const int sbsz = f->sb_step; + const int y = sby * sbsz * 4; + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + pixel *const p[3] = { + f->lf.p[0] + y * PXSTRIDE(f->cur.stride[0]), + f->lf.p[1] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + f->lf.p[2] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver) + }; + Av1Filter *prev_mask = f->lf.mask + ((sby - 1) >> !f->seq_hdr->sb128) * f->sb128w; + Av1Filter *mask = f->lf.mask + (sby >> !f->seq_hdr->sb128) * f->sb128w; + const int start = sby * sbsz; + if (sby) { + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + pixel *p_up[3] = { + p[0] - 8 * PXSTRIDE(f->cur.stride[0]), + p[1] - (8 * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + p[2] - (8 * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + }; + bytefn(dav1d_cdef_brow)(tc, p_up, prev_mask, start - 2, start, 1, sby); + } + const int n_blks = sbsz - 2 * (sby + 1 < f->sbh); + const int end = imin(start + n_blks, f->bh); + bytefn(dav1d_cdef_brow)(tc, p, mask, start, end, 0, sby); +} + +void bytefn(dav1d_filter_sbrow_resize)(Dav1dFrameContext *const f, const int sby) { + const int sbsz = f->sb_step; + const int y = sby * sbsz * 4; + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + const pixel *const p[3] = { + f->lf.p[0] + y * PXSTRIDE(f->cur.stride[0]), + f->lf.p[1] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver), + f->lf.p[2] + (y * PXSTRIDE(f->cur.stride[1]) >> ss_ver) + }; + pixel *const sr_p[3] = { + f->lf.sr_p[0] + y * PXSTRIDE(f->sr_cur.p.stride[0]), + f->lf.sr_p[1] + (y * PXSTRIDE(f->sr_cur.p.stride[1]) >> ss_ver), + f->lf.sr_p[2] + (y * PXSTRIDE(f->sr_cur.p.stride[1]) >> ss_ver) + }; + const int has_chroma = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400; + for (int pl = 0; pl < 1 + 2 * has_chroma; pl++) { + const int ss_ver = pl && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + const int h_start = 8 * !!sby >> ss_ver; + const ptrdiff_t dst_stride = f->sr_cur.p.stride[!!pl]; + pixel *dst = sr_p[pl] - h_start * PXSTRIDE(dst_stride); + const ptrdiff_t src_stride = f->cur.stride[!!pl]; + const pixel *src = p[pl] - h_start * PXSTRIDE(src_stride); + const int h_end = 4 * (sbsz - 2 * (sby + 1 < f->sbh)) >> ss_ver; + const int ss_hor = pl && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444; + const int dst_w = (f->sr_cur.p.p.w + ss_hor) >> ss_hor; + const int src_w = (4 * f->bw + ss_hor) >> ss_hor; + const int img_h = (f->cur.p.h - sbsz * 4 * sby + ss_ver) >> ss_ver; + + f->dsp->mc.resize(dst, dst_stride, src, src_stride, dst_w, + imin(img_h, h_end) + h_start, src_w, + f->resize_step[!!pl], f->resize_start[!!pl] + HIGHBD_CALL_SUFFIX); + } +} + +void bytefn(dav1d_filter_sbrow_lr)(Dav1dFrameContext *const f, const int sby) { + if (!(f->c->inloop_filters & DAV1D_INLOOPFILTER_RESTORATION)) return; + const int y = sby * f->sb_step * 4; + const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420; + pixel *const sr_p[3] = { + f->lf.sr_p[0] + y * PXSTRIDE(f->sr_cur.p.stride[0]), + f->lf.sr_p[1] + (y * PXSTRIDE(f->sr_cur.p.stride[1]) >> ss_ver), + f->lf.sr_p[2] + (y * PXSTRIDE(f->sr_cur.p.stride[1]) >> ss_ver) + }; + bytefn(dav1d_lr_sbrow)(f, sr_p, sby); +} + +void bytefn(dav1d_filter_sbrow)(Dav1dFrameContext *const f, const int sby) { + bytefn(dav1d_filter_sbrow_deblock_cols)(f, sby); + bytefn(dav1d_filter_sbrow_deblock_rows)(f, sby); + if (f->seq_hdr->cdef) + bytefn(dav1d_filter_sbrow_cdef)(f->c->tc, sby); + if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) + bytefn(dav1d_filter_sbrow_resize)(f, sby); + if (f->lf.restore_planes) + bytefn(dav1d_filter_sbrow_lr)(f, sby); +} + +void bytefn(dav1d_backup_ipred_edge)(Dav1dTaskContext *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.data[0]) + x_off * 4 + + ((t->by + f->sb_step) * 4 - 1) * PXSTRIDE(f->cur.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.layout != DAV1D_PIXEL_LAYOUT_I400) { + 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 ptrdiff_t uv_off = (x_off * 4 >> ss_hor) + + (((t->by + f->sb_step) * 4 >> ss_ver) - 1) * PXSTRIDE(f->cur.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.data[pl])[uv_off], + 4 * (ts->tiling.col_end - x_off) >> ss_hor); + } +} |