Bug Summary

File:root/firefox-clang/third_party/dav1d/src/decode.c
Warning:line 323, column 23
The left operand of '==' is a garbage value due to array index out of bounds

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -O2 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name decode.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -relaxed-aliasing -ffp-contract=off -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/root/firefox-clang/obj-x86_64-pc-linux-gnu/media/libdav1d -fcoverage-compilation-dir=/root/firefox-clang/obj-x86_64-pc-linux-gnu/media/libdav1d -resource-dir /usr/lib/llvm-23/lib/clang/23 -include /root/firefox-clang/config/gcc_hidden.h -include /root/firefox-clang/obj-x86_64-pc-linux-gnu/mozilla-config.h -I /root/firefox-clang/obj-x86_64-pc-linux-gnu/dist/system_wrappers -U _FORTIFY_SOURCE -D _FORTIFY_SOURCE=2 -D DEBUG=1 -D DAV1D_API= -D STACK_ALIGNMENT=16 -D MOZ_HAS_MOZGLUE -D MOZILLA_INTERNAL_API -D IMPL_LIBXUL -D MOZ_SUPPORT_LEAKCHECKING -D STATIC_EXPORTABLE_JS_API -I /root/firefox-clang/media/libdav1d -I /root/firefox-clang/obj-x86_64-pc-linux-gnu/media/libdav1d -I /root/firefox-clang/third_party/dav1d -I /root/firefox-clang/third_party/dav1d/include -I /root/firefox-clang/third_party/dav1d/include/dav1d -I /root/firefox-clang/third_party/dav1d/src -I /root/firefox-clang/obj-x86_64-pc-linux-gnu/dist/include -I /root/firefox-clang/obj-x86_64-pc-linux-gnu/dist/include/nspr -I /root/firefox-clang/obj-x86_64-pc-linux-gnu/dist/include/nss -D MOZILLA_CLIENT -internal-isystem /usr/lib/llvm-23/lib/clang/23/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/16/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wno-error=tautological-type-limit-compare -Wno-range-loop-analysis -Wno-error=deprecated-declarations -Wno-error=array-bounds -Wno-error=free-nonheap-object -Wno-error=atomic-alignment -Wno-error=deprecated-builtins -Wno-psabi -Wno-error=builtin-macro-redefined -Wno-unknown-warning-option -Wno-character-conversion -ferror-limit 19 -fstrict-flex-arrays=1 -stack-protector 2 -fstack-clash-protection -ftrivial-auto-var-init=pattern -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fdiagnostics-absolute-paths -vectorize-loops -vectorize-slp -analyzer-checker optin.performance.Padding -analyzer-output=html -analyzer-config stable-report-filename=true -mllvm -dwarf-linkage-names=Abstract -faddrsig -fdwarf2-cfi-asm -o /tmp/scan-build-2026-10-17-231001-351276-1 -x c /root/firefox-clang/third_party/dav1d/src/decode.c
1/*
2 * Copyright © 2018-2021, VideoLAN and dav1d authors
3 * Copyright © 2018, Two Orioles, LLC
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "config.h"
29
30#include <errno(*__errno_location ()).h>
31#include <limits.h>
32#include <string.h>
33#include <stdio.h>
34#include <inttypes.h>
35
36#include "dav1d/data.h"
37
38#include "common/frame.h"
39#include "common/intops.h"
40
41#include "src/ctx.h"
42#include "src/decode.h"
43#include "src/dequant_tables.h"
44#include "src/env.h"
45#include "src/filmgrain.h"
46#include "src/log.h"
47#include "src/qm.h"
48#include "src/recon.h"
49#include "src/ref.h"
50#include "src/tables.h"
51#include "src/thread_task.h"
52#include "src/warpmv.h"
53
54static void init_quant_tables(const Dav1dSequenceHeader *const seq_hdr,
55 const Dav1dFrameHeader *const frame_hdr,
56 const int qidx, uint16_t (*dq)[3][2])
57{
58 for (int i = 0; i < (frame_hdr->segmentation.enabled ? 8 : 1); i++) {
59 const int yac = frame_hdr->segmentation.enabled ?
60 iclip_u8(qidx + frame_hdr->segmentation.seg_data.d[i].delta_q) : qidx;
61 const int ydc = iclip_u8(yac + frame_hdr->quant.ydc_delta);
62 const int uac = iclip_u8(yac + frame_hdr->quant.uac_delta);
63 const int udc = iclip_u8(yac + frame_hdr->quant.udc_delta);
64 const int vac = iclip_u8(yac + frame_hdr->quant.vac_delta);
65 const int vdc = iclip_u8(yac + frame_hdr->quant.vdc_delta);
66
67 dq[i][0][0] = dav1d_dq_tbl[seq_hdr->hbd][ydc][0];
68 dq[i][0][1] = dav1d_dq_tbl[seq_hdr->hbd][yac][1];
69 dq[i][1][0] = dav1d_dq_tbl[seq_hdr->hbd][udc][0];
70 dq[i][1][1] = dav1d_dq_tbl[seq_hdr->hbd][uac][1];
71 dq[i][2][0] = dav1d_dq_tbl[seq_hdr->hbd][vdc][0];
72 dq[i][2][1] = dav1d_dq_tbl[seq_hdr->hbd][vac][1];
73 }
74}
75
76static int read_mv_component_diff(MsacContext *const msac,
77 CdfMvComponent *const mv_comp,
78 const int mv_prec)
79{
80 const int sign = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(msac, mv_comp->sign);
81 const int cl = dav1d_msac_decode_symbol_adapt16(msac, mv_comp->classes, 10)((msac)->symbol_adapt16(msac, mv_comp->classes, 10));
82 int up, fp = 3, hp = 1;
83
84 if (!cl) {
85 up = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(msac, mv_comp->class0);
86 if (mv_prec >= 0) { // !force_integer_mv
87 fp = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(msac, mv_comp->class0_fp[up], 3);
88 if (mv_prec > 0) // allow_high_precision_mv
89 hp = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(msac, mv_comp->class0_hp);
90 }
91 } else {
92 up = 1 << cl;
93 for (int n = 0; n < cl; n++)
94 up |= dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(msac, mv_comp->classN[n]) << n;
95 if (mv_prec >= 0) { // !force_integer_mv
96 fp = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(msac, mv_comp->classN_fp, 3);
97 if (mv_prec > 0) // allow_high_precision_mv
98 hp = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(msac, mv_comp->classN_hp);
99 }
100 }
101
102 const int diff = ((up << 3) | (fp << 1) | hp) + 1;
103
104 return sign ? -diff : diff;
105}
106
107static void read_mv_residual(Dav1dTileState *const ts, mv *const ref_mv,
108 const int mv_prec)
109{
110 MsacContext *const msac = &ts->msac;
111 const enum MVJoint mv_joint =
112 dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(msac, ts->cdf.mv.joint, N_MV_JOINTS - 1);
113 if (mv_joint & MV_JOINT_V)
114 ref_mv->y += read_mv_component_diff(msac, &ts->cdf.mv.comp[0], mv_prec);
115 if (mv_joint & MV_JOINT_H)
116 ref_mv->x += read_mv_component_diff(msac, &ts->cdf.mv.comp[1], mv_prec);
117}
118
119static void read_tx_tree(Dav1dTaskContext *const t,
120 const enum RectTxfmSize from,
121 const int depth, uint16_t *const masks,
122 const int x_off, const int y_off)
123{
124 const Dav1dFrameContext *const f = t->f;
125 const int bx4 = t->bx & 31, by4 = t->by & 31;
126 const TxfmInfo *const t_dim = &dav1d_txfm_dimensions[from];
127 const int txw = t_dim->lw, txh = t_dim->lh;
128 int is_split;
129
130 if (depth < 2 && from > (int) TX_4X4) {
131 const int cat = 2 * (TX_64X64 - t_dim->max) - depth;
132 const int a = t->a->tx[bx4] < txw;
133 const int l = t->l.tx[by4] < txh;
134
135 is_split = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&t->ts->msac,
136 t->ts->cdf.m.txpart[cat][a + l]);
137 if (is_split)
138 masks[depth] |= 1 << (y_off * 4 + x_off);
139 } else {
140 is_split = 0;
141 }
142
143 if (is_split && t_dim->max > TX_8X8) {
144 const enum RectTxfmSize sub = t_dim->sub;
145 const TxfmInfo *const sub_t_dim = &dav1d_txfm_dimensions[sub];
146 const int txsw = sub_t_dim->w, txsh = sub_t_dim->h;
147
148 read_tx_tree(t, sub, depth + 1, masks, x_off * 2 + 0, y_off * 2 + 0);
149 t->bx += txsw;
150 if (txw >= txh && t->bx < f->bw)
151 read_tx_tree(t, sub, depth + 1, masks, x_off * 2 + 1, y_off * 2 + 0);
152 t->bx -= txsw;
153 t->by += txsh;
154 if (txh >= txw && t->by < f->bh) {
155 read_tx_tree(t, sub, depth + 1, masks, x_off * 2 + 0, y_off * 2 + 1);
156 t->bx += txsw;
157 if (txw >= txh && t->bx < f->bw)
158 read_tx_tree(t, sub, depth + 1, masks,
159 x_off * 2 + 1, y_off * 2 + 1);
160 t->bx -= txsw;
161 }
162 t->by -= txsh;
163 } else {
164 dav1d_memset_pow2[t_dim->lw](&t->a->tx[bx4], is_split ? TX_4X4 : txw);
165 dav1d_memset_pow2[t_dim->lh](&t->l.tx[by4], is_split ? TX_4X4 : txh);
166 }
167}
168
169static int neg_deinterleave(int diff, int ref, int max) {
170 if (!ref) return diff;
171 if (ref >= (max - 1)) return max - diff - 1;
172 if (2 * ref < max) {
173 if (diff <= 2 * ref) {
174 if (diff & 1)
175 return ref + ((diff + 1) >> 1);
176 else
177 return ref - (diff >> 1);
178 }
179 return diff;
180 } else {
181 if (diff <= 2 * (max - ref - 1)) {
182 if (diff & 1)
183 return ref + ((diff + 1) >> 1);
184 else
185 return ref - (diff >> 1);
186 }
187 return max - (diff + 1);
188 }
189}
190
191static void find_matching_ref(const Dav1dTaskContext *const t,
192 const enum EdgeFlags intra_edge_flags,
193 const int bw4, const int bh4,
194 const int w4, const int h4,
195 const int have_left, const int have_top,
196 const int ref, uint64_t masks[2])
197{
198 /*const*/ refmvs_block *const *r = &t->rt.r[(t->by & 31) + 5];
199 int count = 0;
200 int have_topleft = have_top && have_left;
201 int have_topright = imax(bw4, bh4) < 32 &&
202 have_top && t->bx + bw4 < t->ts->tiling.col_end &&
203 (intra_edge_flags & EDGE_I444_TOP_HAS_RIGHT);
204
205#define bs(rp) dav1d_block_dimensions[(rp)->bs]
206#define matches(rp) ((rp)->ref.ref[0] == ref + 1 && (rp)->ref.ref[1] == -1)
207
208 if (have_top) {
209 const refmvs_block *r2 = &r[-1][t->bx];
210 if (matches(r2)) {
211 masks[0] |= 1;
212 count = 1;
213 }
214 int aw4 = bs(r2)[0];
215 if (aw4 >= bw4) {
216 const int off = t->bx & (aw4 - 1);
217 if (off) have_topleft = 0;
218 if (aw4 - off > bw4) have_topright = 0;
219 } else {
220 unsigned mask = 1 << aw4;
221 for (int x = aw4; x < w4; x += aw4) {
222 r2 += aw4;
223 if (matches(r2)) {
224 masks[0] |= mask;
225 if (++count >= 8) return;
226 }
227 aw4 = bs(r2)[0];
228 mask <<= aw4;
229 }
230 }
231 }
232 if (have_left) {
233 /*const*/ refmvs_block *const *r2 = r;
234 if (matches(&r2[0][t->bx - 1])) {
235 masks[1] |= 1;
236 if (++count >= 8) return;
237 }
238 int lh4 = bs(&r2[0][t->bx - 1])[1];
239 if (lh4 >= bh4) {
240 if (t->by & (lh4 - 1)) have_topleft = 0;
241 } else {
242 unsigned mask = 1 << lh4;
243 for (int y = lh4; y < h4; y += lh4) {
244 r2 += lh4;
245 if (matches(&r2[0][t->bx - 1])) {
246 masks[1] |= mask;
247 if (++count >= 8) return;
248 }
249 lh4 = bs(&r2[0][t->bx - 1])[1];
250 mask <<= lh4;
251 }
252 }
253 }
254 if (have_topleft && matches(&r[-1][t->bx - 1])) {
255 masks[1] |= 1ULL << 32;
256 if (++count >= 8) return;
257 }
258 if (have_topright && matches(&r[-1][t->bx + bw4])) {
259 masks[0] |= 1ULL << 32;
260 }
261#undef matches
262}
263
264static void derive_warpmv(const Dav1dTaskContext *const t,
265 const int bw4, const int bh4,
266 const uint64_t masks[2], const union mv mv,
267 Dav1dWarpedMotionParams *const wmp)
268{
269 int pts[8][2 /* in, out */][2 /* x, y */], np = 0;
270 /*const*/ refmvs_block *const *r = &t->rt.r[(t->by & 31) + 5];
271
272#define add_sample(dx, dy, sx, sy, rp)do { pts[np][0][0] = 16 * (2 * dx + sx * bs(rp)[0]) - 8; pts[
np][0][1] = 16 * (2 * dy + sy * bs(rp)[1]) - 8; pts[np][1][0]
= pts[np][0][0] + (rp)->mv.mv[0].x; pts[np][1][1] = pts[np
][0][1] + (rp)->mv.mv[0].y; np++; } while (0)
do { \
273 pts[np][0][0] = 16 * (2 * dx + sx * bs(rp)[0]) - 8; \
274 pts[np][0][1] = 16 * (2 * dy + sy * bs(rp)[1]) - 8; \
275 pts[np][1][0] = pts[np][0][0] + (rp)->mv.mv[0].x; \
276 pts[np][1][1] = pts[np][0][1] + (rp)->mv.mv[0].y; \
277 np++; \
278} while (0)
279
280 // use masks[] to find the projectable motion vectors in the edges
281 if ((unsigned) masks[0] == 1 && !(masks[1] >> 32)) {
1
Assuming the condition is true
2
Assuming the condition is true
3
Taking true branch
282 const int off = t->bx & (bs(&r[-1][t->bx])[0] - 1);
283 add_sample(-off, 0, 1, -1, &r[-1][t->bx])do { pts[np][0][0] = 16 * (2 * -off + 1 * bs(&r[-1][t->
bx])[0]) - 8; pts[np][0][1] = 16 * (2 * 0 + -1 * bs(&r[-1
][t->bx])[1]) - 8; pts[np][1][0] = pts[np][0][0] + (&r
[-1][t->bx])->mv.mv[0].x; pts[np][1][1] = pts[np][0][1]
+ (&r[-1][t->bx])->mv.mv[0].y; np++; } while (0)
;
284 } else for (unsigned off = 0, xmask = (uint32_t) masks[0]; np < 8 && xmask;) { // top
285 const int tz = ctz(xmask);
286 off += tz;
287 xmask >>= tz;
288 add_sample(off, 0, 1, -1, &r[-1][t->bx + off])do { pts[np][0][0] = 16 * (2 * off + 1 * bs(&r[-1][t->
bx + off])[0]) - 8; pts[np][0][1] = 16 * (2 * 0 + -1 * bs(&
r[-1][t->bx + off])[1]) - 8; pts[np][1][0] = pts[np][0][0]
+ (&r[-1][t->bx + off])->mv.mv[0].x; pts[np][1][1]
= pts[np][0][1] + (&r[-1][t->bx + off])->mv.mv[0].
y; np++; } while (0)
;
289 xmask &= ~1;
290 }
291 if (np
3.1
'np' is < 8
< 8 && masks[1] == 1) {
4
Assuming the condition is true
5
Taking true branch
292 const int off = t->by & (bs(&r[0][t->bx - 1])[1] - 1);
293 add_sample(0, -off, -1, 1, &r[-off][t->bx - 1])do { pts[np][0][0] = 16 * (2 * 0 + -1 * bs(&r[-off][t->
bx - 1])[0]) - 8; pts[np][0][1] = 16 * (2 * -off + 1 * bs(&
r[-off][t->bx - 1])[1]) - 8; pts[np][1][0] = pts[np][0][0]
+ (&r[-off][t->bx - 1])->mv.mv[0].x; pts[np][1][1]
= pts[np][0][1] + (&r[-off][t->bx - 1])->mv.mv[0].
y; np++; } while (0)
;
294 } else for (unsigned off = 0, ymask = (uint32_t) masks[1]; np < 8 && ymask;) { // left
295 const int tz = ctz(ymask);
296 off += tz;
297 ymask >>= tz;
298 add_sample(0, off, -1, 1, &r[off][t->bx - 1])do { pts[np][0][0] = 16 * (2 * 0 + -1 * bs(&r[off][t->
bx - 1])[0]) - 8; pts[np][0][1] = 16 * (2 * off + 1 * bs(&
r[off][t->bx - 1])[1]) - 8; pts[np][1][0] = pts[np][0][0] +
(&r[off][t->bx - 1])->mv.mv[0].x; pts[np][1][1] = pts
[np][0][1] + (&r[off][t->bx - 1])->mv.mv[0].y; np++
; } while (0)
;
299 ymask &= ~1;
300 }
301 if (np
5.1
'np' is < 8
< 8 && masks[1] >> 32) // top/left
302 add_sample(0, 0, -1, -1, &r[-1][t->bx - 1])do { pts[np][0][0] = 16 * (2 * 0 + -1 * bs(&r[-1][t->bx
- 1])[0]) - 8; pts[np][0][1] = 16 * (2 * 0 + -1 * bs(&r[
-1][t->bx - 1])[1]) - 8; pts[np][1][0] = pts[np][0][0] + (
&r[-1][t->bx - 1])->mv.mv[0].x; pts[np][1][1] = pts
[np][0][1] + (&r[-1][t->bx - 1])->mv.mv[0].y; np++;
} while (0)
;
303 if (np
5.2
'np' is < 8
< 8 && masks[0] >> 32) // top/right
6
Taking false branch
304 add_sample(bw4, 0, 1, -1, &r[-1][t->bx + bw4])do { pts[np][0][0] = 16 * (2 * bw4 + 1 * bs(&r[-1][t->
bx + bw4])[0]) - 8; pts[np][0][1] = 16 * (2 * 0 + -1 * bs(&
r[-1][t->bx + bw4])[1]) - 8; pts[np][1][0] = pts[np][0][0]
+ (&r[-1][t->bx + bw4])->mv.mv[0].x; pts[np][1][1]
= pts[np][0][1] + (&r[-1][t->bx + bw4])->mv.mv[0].
y; np++; } while (0)
;
305 assert(np > 0 && np <= 8)((void) sizeof ((np > 0 && np <= 8) ? 1 : 0), __extension__
({ if (np > 0 && np <= 8) ; else __assert_fail
("np > 0 && np <= 8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 305, __extension__ __PRETTY_FUNCTION__); }))
;
7
Taking true branch
306#undef bs
307
308 // select according to motion vector difference against a threshold
309 int mvd[8], ret = 0;
310 const int thresh = 4 * iclip(imax(bw4, bh4), 4, 28);
311 for (int i = 0; i < np; i++) {
8
Loop condition is true. Entering loop body
11
Loop condition is true. Entering loop body
14
Loop condition is false. Execution continues on line 319
312 mvd[i] = abs(pts[i][1][0] - pts[i][0][0] - mv.x) +
313 abs(pts[i][1][1] - pts[i][0][1] - mv.y);
314 if (mvd[i] > thresh)
9
Assuming the condition is false
10
Taking false branch
12
Assuming the condition is true
13
Taking true branch
315 mvd[i] = -1;
316 else
317 ret++;
318 }
319 if (!ret
14.1
'ret' is 1
) {
15
Taking false branch
320 ret = 1;
321 } else for (int i = 0, j = np - 1, k = 0; k < np - ret; k++, i++, j--) {
16
Loop condition is true. Entering loop body
322 while (mvd[i] != -1) i++;
17
Assuming the condition is false
18
Loop condition is false. Execution continues on line 323
323 while (mvd[j] == -1) j--;
19
Loop condition is true. Entering loop body
20
Loop condition is true. Entering loop body
21
The value -1 is assigned to 'j'
22
The left operand of '==' is a garbage value due to array index out of bounds
324 assert(i != j)((void) sizeof ((i != j) ? 1 : 0), __extension__ ({ if (i != j
) ; else __assert_fail ("i != j", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 324, __extension__ __PRETTY_FUNCTION__); }))
;
325 if (i > j) break;
326 // replace the discarded samples;
327 mvd[i] = mvd[j];
328 memcpy(pts[i], pts[j], sizeof(*pts));
329 }
330
331 if (!dav1d_find_affine_int(pts, ret, bw4, bh4, mv, wmp, t->bx, t->by) &&
332 !dav1d_get_shear_params(wmp))
333 {
334 wmp->type = DAV1D_WM_TYPE_AFFINE;
335 } else
336 wmp->type = DAV1D_WM_TYPE_IDENTITY;
337}
338
339static inline int findoddzero(const uint8_t *buf, int len) {
340 for (int n = 0; n < len; n++)
341 if (!buf[n * 2]) return 1;
342 return 0;
343}
344
345// meant to be SIMD'able, so that theoretical complexity of this function
346// times block size goes from w4*h4 to w4+h4-1
347// a and b are previous two lines containing (a) top/left entries or (b)
348// top/left entries, with a[0] being either the first top or first left entry,
349// depending on top_offset being 1 or 0, and b being the first top/left entry
350// for whichever has one. left_offset indicates whether the (len-1)th entry
351// has a left neighbour.
352// output is order[] and ctx for each member of this diagonal.
353static void order_palette(const uint8_t *pal_idx, const ptrdiff_t stride,
354 const int i, const int first, const int last,
355 uint8_t (*const order)[8], uint8_t *const ctx)
356{
357 int have_top = i > first;
358
359 assert(pal_idx)((void) sizeof ((pal_idx) ? 1 : 0), __extension__ ({ if (pal_idx
) ; else __assert_fail ("pal_idx", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 359, __extension__ __PRETTY_FUNCTION__); }))
;
360 pal_idx += first + (i - first) * stride;
361 for (int j = first, n = 0; j >= last; have_top = 1, j--, n++, pal_idx += stride - 1) {
362 const int have_left = j > 0;
363
364 assert(have_left || have_top)((void) sizeof ((have_left || have_top) ? 1 : 0), __extension__
({ if (have_left || have_top) ; else __assert_fail ("have_left || have_top"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 364, __extension__
__PRETTY_FUNCTION__); }))
;
365
366#define add(v_in) do { \
367 const int v = v_in; \
368 assert((unsigned)v < 8U)((void) sizeof (((unsigned)v < 8U) ? 1 : 0), __extension__
({ if ((unsigned)v < 8U) ; else __assert_fail ("(unsigned)v < 8U"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 368, __extension__
__PRETTY_FUNCTION__); }))
; \
369 order[n][o_idx++] = v; \
370 mask |= 1 << v; \
371 } while (0)
372
373 unsigned mask = 0;
374 int o_idx = 0;
375 if (!have_left) {
376 ctx[n] = 0;
377 add(pal_idx[-stride]);
378 } else if (!have_top) {
379 ctx[n] = 0;
380 add(pal_idx[-1]);
381 } else {
382 const int l = pal_idx[-1], t = pal_idx[-stride], tl = pal_idx[-(stride + 1)];
383 const int same_t_l = t == l;
384 const int same_t_tl = t == tl;
385 const int same_l_tl = l == tl;
386 const int same_all = same_t_l & same_t_tl & same_l_tl;
387
388 if (same_all) {
389 ctx[n] = 4;
390 add(t);
391 } else if (same_t_l) {
392 ctx[n] = 3;
393 add(t);
394 add(tl);
395 } else if (same_t_tl | same_l_tl) {
396 ctx[n] = 2;
397 add(tl);
398 add(same_t_tl ? l : t);
399 } else {
400 ctx[n] = 1;
401 add(imin(t, l));
402 add(imax(t, l));
403 add(tl);
404 }
405 }
406 for (unsigned m = 1, bit = 0; m < 0x100; m <<= 1, bit++)
407 if (!(mask & m))
408 order[n][o_idx++] = bit;
409 assert(o_idx == 8)((void) sizeof ((o_idx == 8) ? 1 : 0), __extension__ ({ if (o_idx
== 8) ; else __assert_fail ("o_idx == 8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 409, __extension__ __PRETTY_FUNCTION__); }))
;
410#undef add
411 }
412}
413
414static void read_pal_indices(Dav1dTaskContext *const t,
415 uint8_t *const pal_idx,
416 const int pal_sz, const int pl,
417 const int w4, const int h4,
418 const int bw4, const int bh4)
419{
420 Dav1dTileState *const ts = t->ts;
421 const ptrdiff_t stride = bw4 * 4;
422 assert(pal_idx)((void) sizeof ((pal_idx) ? 1 : 0), __extension__ ({ if (pal_idx
) ; else __assert_fail ("pal_idx", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 422, __extension__ __PRETTY_FUNCTION__); }))
;
423 uint8_t *const pal_tmp = t->scratch.pal_idx_uv;
424 pal_tmp[0] = dav1d_msac_decode_uniform(&ts->msac, pal_sz);
425 uint16_t (*const color_map_cdf)[8] =
426 ts->cdf.m.color_map[pl][pal_sz - 2];
427 uint8_t (*const order)[8] = t->scratch.pal_order;
428 uint8_t *const ctx = t->scratch.pal_ctx;
429 for (int i = 1; i < 4 * (w4 + h4) - 1; i++) {
430 // top/left-to-bottom/right diagonals ("wave-front")
431 const int first = imin(i, w4 * 4 - 1);
432 const int last = imax(0, i - h4 * 4 + 1);
433 order_palette(pal_tmp, stride, i, first, last, order, ctx);
434 for (int j = first, m = 0; j >= last; j--, m++) {
435 const int color_idx = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
436 color_map_cdf[ctx[m]], pal_sz - 1);
437 pal_tmp[(i - j) * stride + j] = order[m][color_idx];
438 }
439 }
440
441 t->c->pal_dsp.pal_idx_finish(pal_idx, pal_tmp, bw4 * 4, bh4 * 4,
442 w4 * 4, h4 * 4);
443}
444
445static void read_vartx_tree(Dav1dTaskContext *const t,
446 Av1Block *const b, const enum BlockSize bs,
447 const int bx4, const int by4)
448{
449 const Dav1dFrameContext *const f = t->f;
450 const uint8_t *const b_dim = dav1d_block_dimensions[bs];
451 const int bw4 = b_dim[0], bh4 = b_dim[1];
452
453 // var-tx tree coding
454 uint16_t tx_split[2] = { 0 };
455 b->max_ytx = dav1d_max_txfm_size_for_bs[bs][0];
456 if (!b->skip && (f->frame_hdr->segmentation.lossless[b->seg_id] ||
457 b->max_ytx == TX_4X4))
458 {
459 b->max_ytx = b->uvtx = TX_4X4;
460 if (f->frame_hdr->txfm_mode == DAV1D_TX_SWITCHABLE) {
461 dav1d_memset_pow2[b_dim[2]](&t->a->tx[bx4], TX_4X4);
462 dav1d_memset_pow2[b_dim[3]](&t->l.tx[by4], TX_4X4);
463 }
464 } else if (f->frame_hdr->txfm_mode != DAV1D_TX_SWITCHABLE || b->skip) {
465 if (f->frame_hdr->txfm_mode == DAV1D_TX_SWITCHABLE) {
466 dav1d_memset_pow2[b_dim[2]](&t->a->tx[bx4], b_dim[2 + 0]);
467 dav1d_memset_pow2[b_dim[3]](&t->l.tx[by4], b_dim[2 + 1]);
468 }
469 b->uvtx = dav1d_max_txfm_size_for_bs[bs][f->cur.p.layout];
470 } else {
471 assert(bw4 <= 16 || bh4 <= 16 || b->max_ytx == TX_64X64)((void) sizeof ((bw4 <= 16 || bh4 <= 16 || b->max_ytx
== TX_64X64) ? 1 : 0), __extension__ ({ if (bw4 <= 16 || bh4
<= 16 || b->max_ytx == TX_64X64) ; else __assert_fail (
"bw4 <= 16 || bh4 <= 16 || b->max_ytx == TX_64X64", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 471, __extension__ __PRETTY_FUNCTION__); }))
;
472 int y, x, y_off, x_off;
473 const TxfmInfo *const ytx = &dav1d_txfm_dimensions[b->max_ytx];
474 for (y = 0, y_off = 0; y < bh4; y += ytx->h, y_off++) {
475 for (x = 0, x_off = 0; x < bw4; x += ytx->w, x_off++) {
476 read_tx_tree(t, b->max_ytx, 0, tx_split, x_off, y_off);
477 // contexts are updated inside read_tx_tree()
478 t->bx += ytx->w;
479 }
480 t->bx -= x;
481 t->by += ytx->h;
482 }
483 t->by -= y;
484 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
485 printf("Post-vartxtree[%x/%x]: r=%d\n",
486 tx_split[0], tx_split[1], t->ts->msac.rng);
487 b->uvtx = dav1d_max_txfm_size_for_bs[bs][f->cur.p.layout];
488 }
489 assert(!(tx_split[0] & ~0x33))((void) sizeof ((!(tx_split[0] & ~0x33)) ? 1 : 0), __extension__
({ if (!(tx_split[0] & ~0x33)) ; else __assert_fail ("!(tx_split[0] & ~0x33)"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 489, __extension__
__PRETTY_FUNCTION__); }))
;
490 b->tx_split0 = (uint8_t)tx_split[0];
491 b->tx_split1 = tx_split[1];
492}
493
494static inline unsigned get_prev_frame_segid(const Dav1dFrameContext *const f,
495 const int by, const int bx,
496 const int w4, int h4,
497 const uint8_t *ref_seg_map,
498 const ptrdiff_t stride)
499{
500 assert(f->frame_hdr->primary_ref_frame != DAV1D_PRIMARY_REF_NONE)((void) sizeof ((f->frame_hdr->primary_ref_frame != 7) ?
1 : 0), __extension__ ({ if (f->frame_hdr->primary_ref_frame
!= 7) ; else __assert_fail ("f->frame_hdr->primary_ref_frame != DAV1D_PRIMARY_REF_NONE"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 500, __extension__
__PRETTY_FUNCTION__); }))
;
501
502 unsigned seg_id = 8;
503 ref_seg_map += by * stride + bx;
504 do {
505 for (int x = 0; x < w4; x++)
506 seg_id = imin(seg_id, ref_seg_map[x]);
507 ref_seg_map += stride;
508 } while (--h4 > 0 && seg_id);
509 assert(seg_id < 8)((void) sizeof ((seg_id < 8) ? 1 : 0), __extension__ ({ if
(seg_id < 8) ; else __assert_fail ("seg_id < 8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 509, __extension__ __PRETTY_FUNCTION__); }))
;
510
511 return seg_id;
512}
513
514static inline void splat_oneref_mv(const Dav1dContext *const c,
515 Dav1dTaskContext *const t,
516 const enum BlockSize bs,
517 const Av1Block *const b,
518 const int bw4, const int bh4)
519{
520 const enum InterPredMode mode = b->inter_mode;
521 const refmvs_block ALIGN(tmpl, 16)tmpl __attribute__((aligned(16))) = (refmvs_block) {
522 .ref.ref = { b->ref[0] + 1, b->interintra_type ? 0 : -1 },
523 .mv.mv[0] = b->mv[0],
524 .bs = bs,
525 .mf = (mode == GLOBALMV && imin(bw4, bh4) >= 2) | ((mode == NEWMV) * 2),
526 };
527 c->refmvs_dsp.splat_mv(&t->rt.r[(t->by & 31) + 5], &tmpl, t->bx, bw4, bh4);
528}
529
530static inline void splat_intrabc_mv(const Dav1dContext *const c,
531 Dav1dTaskContext *const t,
532 const enum BlockSize bs,
533 const Av1Block *const b,
534 const int bw4, const int bh4)
535{
536 const refmvs_block ALIGN(tmpl, 16)tmpl __attribute__((aligned(16))) = (refmvs_block) {
537 .ref.ref = { 0, -1 },
538 .mv.mv[0] = b->mv[0],
539 .bs = bs,
540 .mf = 0,
541 };
542 c->refmvs_dsp.splat_mv(&t->rt.r[(t->by & 31) + 5], &tmpl, t->bx, bw4, bh4);
543}
544
545static inline void splat_tworef_mv(const Dav1dContext *const c,
546 Dav1dTaskContext *const t,
547 const enum BlockSize bs,
548 const Av1Block *const b,
549 const int bw4, const int bh4)
550{
551 assert(bw4 >= 2 && bh4 >= 2)((void) sizeof ((bw4 >= 2 && bh4 >= 2) ? 1 : 0)
, __extension__ ({ if (bw4 >= 2 && bh4 >= 2) ; else
__assert_fail ("bw4 >= 2 && bh4 >= 2", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 551, __extension__ __PRETTY_FUNCTION__); }))
;
552 const enum CompInterPredMode mode = b->inter_mode;
553 const refmvs_block ALIGN(tmpl, 16)tmpl __attribute__((aligned(16))) = (refmvs_block) {
554 .ref.ref = { b->ref[0] + 1, b->ref[1] + 1 },
555 .mv.mv = { b->mv[0], b->mv[1] },
556 .bs = bs,
557 .mf = (mode == GLOBALMV_GLOBALMV) | !!((1 << mode) & (0xbc)) * 2,
558 };
559 c->refmvs_dsp.splat_mv(&t->rt.r[(t->by & 31) + 5], &tmpl, t->bx, bw4, bh4);
560}
561
562static inline void splat_intraref(const Dav1dContext *const c,
563 Dav1dTaskContext *const t,
564 const enum BlockSize bs,
565 const int bw4, const int bh4)
566{
567 const refmvs_block ALIGN(tmpl, 16)tmpl __attribute__((aligned(16))) = (refmvs_block) {
568 .ref.ref = { 0, -1 },
569 .mv.mv[0].n = INVALID_MV0x80008000,
570 .bs = bs,
571 .mf = 0,
572 };
573 c->refmvs_dsp.splat_mv(&t->rt.r[(t->by & 31) + 5], &tmpl, t->bx, bw4, bh4);
574}
575
576static void mc_lowest_px(int *const dst, const int by4, const int bh4,
577 const int mvy, const int ss_ver,
578 const struct ScalableMotionParams *const smp)
579{
580 const int v_mul = 4 >> ss_ver;
581 if (!smp->scale) {
582 const int my = mvy >> (3 + ss_ver), dy = mvy & (15 >> !ss_ver);
583 *dst = imax(*dst, (by4 + bh4) * v_mul + my + 4 * !!dy);
584 } else {
585 int y = (by4 * v_mul << 4) + mvy * (1 << !ss_ver);
586 const int64_t tmp = (int64_t)(y) * smp->scale + (smp->scale - 0x4000) * 8;
587 y = apply_sign64((int)((llabs(tmp) + 128) >> 8), tmp) + 32;
588 const int bottom = ((y + (bh4 * v_mul - 1) * smp->step) >> 10) + 1 + 4;
589 *dst = imax(*dst, bottom);
590 }
591}
592
593static ALWAYS_INLINE__attribute__((always_inline)) inline void affine_lowest_px(Dav1dTaskContext *const t, int *const dst,
594 const uint8_t *const b_dim,
595 const Dav1dWarpedMotionParams *const wmp,
596 const int ss_ver, const int ss_hor)
597{
598 const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver;
599 assert(!((b_dim[0] * h_mul) & 7) && !((b_dim[1] * v_mul) & 7))((void) sizeof ((!((b_dim[0] * h_mul) & 7) && !((
b_dim[1] * v_mul) & 7)) ? 1 : 0), __extension__ ({ if (!(
(b_dim[0] * h_mul) & 7) && !((b_dim[1] * v_mul) &
7)) ; else __assert_fail ("!((b_dim[0] * h_mul) & 7) && !((b_dim[1] * v_mul) & 7)"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 599, __extension__
__PRETTY_FUNCTION__); }))
;
600 const int32_t *const mat = wmp->matrix;
601 const int y = b_dim[1] * v_mul - 8; // lowest y
602
603 const int src_y = t->by * 4 + ((y + 4) << ss_ver);
604 const int64_t mat5_y = (int64_t) mat[5] * src_y + mat[1];
605 // check left- and right-most blocks
606 for (int x = 0; x < b_dim[0] * h_mul; x += imax(8, b_dim[0] * h_mul - 8)) {
607 // calculate transformation relative to center of 8x8 block in
608 // luma pixel units
609 const int src_x = t->bx * 4 + ((x + 4) << ss_hor);
610 const int64_t mvy = ((int64_t) mat[4] * src_x + mat5_y) >> ss_ver;
611 const int dy = (int) (mvy >> 16) - 4;
612 *dst = imax(*dst, dy + 4 + 8);
613 }
614}
615
616static NOINLINE__attribute__((noinline)) void affine_lowest_px_luma(Dav1dTaskContext *const t, int *const dst,
617 const uint8_t *const b_dim,
618 const Dav1dWarpedMotionParams *const wmp)
619{
620 affine_lowest_px(t, dst, b_dim, wmp, 0, 0);
621}
622
623static NOINLINE__attribute__((noinline)) void affine_lowest_px_chroma(Dav1dTaskContext *const t, int *const dst,
624 const uint8_t *const b_dim,
625 const Dav1dWarpedMotionParams *const wmp)
626{
627 const Dav1dFrameContext *const f = t->f;
628 assert(f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400)((void) sizeof ((f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400
) ? 1 : 0), __extension__ ({ if (f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400
) ; else __assert_fail ("f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 628, __extension__
__PRETTY_FUNCTION__); }))
;
629 if (f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I444)
630 affine_lowest_px_luma(t, dst, b_dim, wmp);
631 else
632 affine_lowest_px(t, dst, b_dim, wmp, f->cur.p.layout & DAV1D_PIXEL_LAYOUT_I420, 1);
633}
634
635static void obmc_lowest_px(Dav1dTaskContext *const t,
636 int (*const dst)[2], const int is_chroma,
637 const uint8_t *const b_dim,
638 const int bx4, const int by4, const int w4, const int h4)
639{
640 assert(!(t->bx & 1) && !(t->by & 1))((void) sizeof ((!(t->bx & 1) && !(t->by &
1)) ? 1 : 0), __extension__ ({ if (!(t->bx & 1) &&
!(t->by & 1)) ; else __assert_fail ("!(t->bx & 1) && !(t->by & 1)"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 640, __extension__
__PRETTY_FUNCTION__); }))
;
641 const Dav1dFrameContext *const f = t->f;
642 /*const*/ refmvs_block **r = &t->rt.r[(t->by & 31) + 5];
643 const int ss_ver = is_chroma && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
644 const int ss_hor = is_chroma && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
645 const int h_mul = 4 >> ss_hor, v_mul = 4 >> ss_ver;
646
647 if (t->by > t->ts->tiling.row_start &&
648 (!is_chroma || b_dim[0] * h_mul + b_dim[1] * v_mul >= 16))
649 {
650 for (int i = 0, x = 0; x < w4 && i < imin(b_dim[2], 4); ) {
651 // only odd blocks are considered for overlap handling, hence +1
652 const refmvs_block *const a_r = &r[-1][t->bx + x + 1];
653 const uint8_t *const a_b_dim = dav1d_block_dimensions[a_r->bs];
654
655 if (a_r->ref.ref[0] > 0) {
656 const int oh4 = imin(b_dim[1], 16) >> 1;
657 mc_lowest_px(&dst[a_r->ref.ref[0] - 1][is_chroma], t->by,
658 (oh4 * 3 + 3) >> 2, a_r->mv.mv[0].y, ss_ver,
659 &f->svc[a_r->ref.ref[0] - 1][1]);
660 i++;
661 }
662 x += imax(a_b_dim[0], 2);
663 }
664 }
665
666 if (t->bx > t->ts->tiling.col_start)
667 for (int i = 0, y = 0; y < h4 && i < imin(b_dim[3], 4); ) {
668 // only odd blocks are considered for overlap handling, hence +1
669 const refmvs_block *const l_r = &r[y + 1][t->bx - 1];
670 const uint8_t *const l_b_dim = dav1d_block_dimensions[l_r->bs];
671
672 if (l_r->ref.ref[0] > 0) {
673 const int oh4 = iclip(l_b_dim[1], 2, b_dim[1]);
674 mc_lowest_px(&dst[l_r->ref.ref[0] - 1][is_chroma],
675 t->by + y, oh4, l_r->mv.mv[0].y, ss_ver,
676 &f->svc[l_r->ref.ref[0] - 1][1]);
677 i++;
678 }
679 y += imax(l_b_dim[1], 2);
680 }
681}
682
683static int decode_b(Dav1dTaskContext *const t,
684 const enum BlockLevel bl,
685 const enum BlockSize bs,
686 const enum BlockPartition bp,
687 const enum EdgeFlags intra_edge_flags) {
688 Dav1dTileState *const ts = t->ts;
689 const Dav1dFrameContext *const f = t->f;
690 Av1Block b_mem, *const b = t->frame_thread.pass ?
691 &f->frame_thread.b[t->by * f->b4_stride + t->bx] : &b_mem;
692 const uint8_t *const b_dim = dav1d_block_dimensions[bs];
693 const int bx4 = t->bx & 31, by4 = t->by & 31;
694 const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
695 const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
696 const int cbx4 = bx4 >> ss_hor, cby4 = by4 >> ss_ver;
697 const int bw4 = b_dim[0], bh4 = b_dim[1];
698 const int w4 = imin(bw4, f->bw - t->bx), h4 = imin(bh4, f->bh - t->by);
699 const int cbw4 = (bw4 + ss_hor) >> ss_hor, cbh4 = (bh4 + ss_ver) >> ss_ver;
700 const int have_left = t->bx > ts->tiling.col_start;
701 const int have_top = t->by > ts->tiling.row_start;
702 const int has_chroma = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400 &&
703 (bw4 > ss_hor || t->bx & 1) &&
704 (bh4 > ss_ver || t->by & 1);
705
706 if (t->frame_thread.pass == 2) {
707 if (b->intra) {
708 f->bd_fn.recon_b_intra(t, bs, intra_edge_flags, b);
709
710 const enum IntraPredMode y_mode_nofilt =
711 b->y_mode == FILTER_PRED ? DC_PRED : b->y_mode;
712#define set_ctx(rep_macro) \
713 rep_macro(edge->mode, off, y_mode_nofilt); \
714 rep_macro(edge->intra, off, 1)
715 BlockContext *edge = t->a;
716 for (int i = 0, off = bx4; i < 2; i++, off = by4, edge = &t->l) {
717 case_set(b_dim[2 + i])switch (b_dim[2 + i]) { case 0: set_ctx(set_ctx1); break; case
1: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break
; case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16
); break; case 5: set_ctx(set_ctx32); break; default: ((void)
sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 717
, __extension__ __PRETTY_FUNCTION__); })); }
;
718 }
719#undef set_ctx
720 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
721 refmvs_block *const r = &t->rt.r[(t->by & 31) + 5 + bh4 - 1][t->bx];
722 for (int x = 0; x < bw4; x++) {
723 r[x].ref.ref[0] = 0;
724 r[x].bs = bs;
725 }
726 refmvs_block *const *rr = &t->rt.r[(t->by & 31) + 5];
727 const int bx = t->bx + bw4 - 1;
728 for (int y = 0; y < bh4 - 1; y++) {
729 refmvs_block *d = &rr[y][bx];
730 d->ref.ref[0] = 0;
731 d->bs = bs;
732 }
733 }
734
735 if (has_chroma) {
736 uint8_t uv_mode = b->uv_mode;
737 dav1d_memset_pow2[ulog2(cbw4)](&t->a->uvmode[cbx4], uv_mode);
738 dav1d_memset_pow2[ulog2(cbh4)](&t->l.uvmode[cby4], uv_mode);
739 }
740 } else {
741 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) /* not intrabc */ &&
742 b->comp_type == COMP_INTER_NONE && b->motion_mode == MM_WARP)
743 {
744 if (b->matrix[0] == INT16_MIN(-32767-1)) {
745 t->warpmv.type = DAV1D_WM_TYPE_IDENTITY;
746 } else {
747 t->warpmv.type = DAV1D_WM_TYPE_AFFINE;
748 t->warpmv.matrix[2] = b->matrix[0] + 0x10000;
749 t->warpmv.matrix[3] = b->matrix[1];
750 t->warpmv.matrix[4] = b->matrix[2];
751 t->warpmv.matrix[5] = b->matrix[3] + 0x10000;
752 dav1d_set_affine_mv2d(bw4, bh4, b->mv2d, &t->warpmv,
753 t->bx, t->by);
754 dav1d_get_shear_params(&t->warpmv);
755#define signabs(v) v < 0 ? '-' : ' ', abs(v)
756 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
757 printf("[ %c%x %c%x %c%x\n %c%x %c%x %c%x ]\n"
758 "alpha=%c%x, beta=%c%x, gamma=%c%x, delta=%c%x, mv=y:%d,x:%d\n",
759 signabs(t->warpmv.matrix[0]),
760 signabs(t->warpmv.matrix[1]),
761 signabs(t->warpmv.matrix[2]),
762 signabs(t->warpmv.matrix[3]),
763 signabs(t->warpmv.matrix[4]),
764 signabs(t->warpmv.matrix[5]),
765 signabs(t->warpmv.u.p.alpha),
766 signabs(t->warpmv.u.p.beta),
767 signabs(t->warpmv.u.p.gamma),
768 signabs(t->warpmv.u.p.delta),
769 b->mv2d.y, b->mv2d.x);
770#undef signabs
771 }
772 }
773 if (f->bd_fn.recon_b_inter(t, bs, b)) return -1;
774
775 const uint8_t *const filter = dav1d_filter_dir[b->filter2d];
776 BlockContext *edge = t->a;
777 for (int i = 0, off = bx4; i < 2; i++, off = by4, edge = &t->l) {
778#define set_ctx(rep_macro) \
779 rep_macro(edge->filter[0], off, filter[0]); \
780 rep_macro(edge->filter[1], off, filter[1]); \
781 rep_macro(edge->intra, off, 0)
782 case_set(b_dim[2 + i])switch (b_dim[2 + i]) { case 0: set_ctx(set_ctx1); break; case
1: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break
; case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16
); break; case 5: set_ctx(set_ctx32); break; default: ((void)
sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 782
, __extension__ __PRETTY_FUNCTION__); })); }
;
783#undef set_ctx
784 }
785
786 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
787 refmvs_block *const r = &t->rt.r[(t->by & 31) + 5 + bh4 - 1][t->bx];
788 const int ref1 = b->ref[0] + 1;
789 const union mv mv1 = b->mv[0];
790 for (int x = 0; x < bw4; x++) {
791 r[x].ref.ref[0] = ref1;
792 r[x].mv.mv[0] = mv1;
793 r[x].bs = bs;
794 }
795 refmvs_block *const *rr = &t->rt.r[(t->by & 31) + 5];
796 const int bx = t->bx + bw4 - 1;
797 for (int y = 0; y < bh4 - 1; y++) {
798 refmvs_block* d = &rr[y][bx];
799 d->ref.ref[0] = ref1;
800 d->mv.mv[0] = mv1;
801 d->bs = bs;
802 }
803 }
804
805 if (has_chroma) {
806 dav1d_memset_pow2[ulog2(cbw4)](&t->a->uvmode[cbx4], DC_PRED);
807 dav1d_memset_pow2[ulog2(cbh4)](&t->l.uvmode[cby4], DC_PRED);
808 }
809 }
810 return 0;
811 }
812
813 const int cw4 = (w4 + ss_hor) >> ss_hor, ch4 = (h4 + ss_ver) >> ss_ver;
814
815 b->bl = bl;
816 b->bp = bp;
817 b->bs = bs;
818
819 const Dav1dSegmentationData *seg = NULL((void*)0);
820
821 // segment_id (if seg_feature for skip/ref/gmv is enabled)
822 int seg_pred = 0;
823 if (f->frame_hdr->segmentation.enabled) {
824 if (!f->frame_hdr->segmentation.update_map) {
825 if (f->prev_segmap) {
826 unsigned seg_id = get_prev_frame_segid(f, t->by, t->bx, w4, h4,
827 f->prev_segmap,
828 f->b4_stride);
829 if (seg_id >= 8) return -1;
830 b->seg_id = seg_id;
831 } else {
832 b->seg_id = 0;
833 }
834 seg = &f->frame_hdr->segmentation.seg_data.d[b->seg_id];
835 } else if (f->frame_hdr->segmentation.seg_data.preskip) {
836 if (f->frame_hdr->segmentation.temporal &&
837 (seg_pred = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
838 ts->cdf.m.seg_pred[t->a->seg_pred[bx4] +
839 t->l.seg_pred[by4]])))
840 {
841 // temporal predicted seg_id
842 if (f->prev_segmap) {
843 unsigned seg_id = get_prev_frame_segid(f, t->by, t->bx,
844 w4, h4,
845 f->prev_segmap,
846 f->b4_stride);
847 if (seg_id >= 8) return -1;
848 b->seg_id = seg_id;
849 } else {
850 b->seg_id = 0;
851 }
852 } else {
853 int seg_ctx;
854 const unsigned pred_seg_id =
855 get_cur_frame_segid(t->by, t->bx, have_top, have_left,
856 &seg_ctx, f->cur_segmap, f->b4_stride);
857 const unsigned diff = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
858 ts->cdf.m.seg_id[seg_ctx],
859 DAV1D_MAX_SEGMENTS8 - 1);
860 const unsigned last_active_seg_id =
861 f->frame_hdr->segmentation.seg_data.last_active_segid;
862 b->seg_id = neg_deinterleave(diff, pred_seg_id,
863 last_active_seg_id + 1);
864 if (b->seg_id > last_active_seg_id) b->seg_id = 0; // error?
865 if (b->seg_id >= DAV1D_MAX_SEGMENTS8) b->seg_id = 0; // error?
866 }
867
868 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
869 printf("Post-segid[preskip;%d]: r=%d\n",
870 b->seg_id, ts->msac.rng);
871
872 seg = &f->frame_hdr->segmentation.seg_data.d[b->seg_id];
873 }
874 } else {
875 b->seg_id = 0;
876 }
877
878 // skip_mode
879 if ((!seg || (!seg->globalmv && seg->ref == -1 && !seg->skip)) &&
880 f->frame_hdr->skip_mode_enabled && imin(bw4, bh4) > 1)
881 {
882 const int smctx = t->a->skip_mode[bx4] + t->l.skip_mode[by4];
883 b->skip_mode = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
884 ts->cdf.m.skip_mode[smctx]);
885 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
886 printf("Post-skipmode[%d]: r=%d\n", b->skip_mode, ts->msac.rng);
887 } else {
888 b->skip_mode = 0;
889 }
890
891 // skip
892 if (b->skip_mode || (seg && seg->skip)) {
893 b->skip = 1;
894 } else {
895 const int sctx = t->a->skip[bx4] + t->l.skip[by4];
896 b->skip = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac, ts->cdf.m.skip[sctx]);
897 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
898 printf("Post-skip[%d]: r=%d\n", b->skip, ts->msac.rng);
899 }
900
901 // segment_id
902 if (f->frame_hdr->segmentation.enabled &&
903 f->frame_hdr->segmentation.update_map &&
904 !f->frame_hdr->segmentation.seg_data.preskip)
905 {
906 if (!b->skip && f->frame_hdr->segmentation.temporal &&
907 (seg_pred = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
908 ts->cdf.m.seg_pred[t->a->seg_pred[bx4] +
909 t->l.seg_pred[by4]])))
910 {
911 // temporal predicted seg_id
912 if (f->prev_segmap) {
913 unsigned seg_id = get_prev_frame_segid(f, t->by, t->bx, w4, h4,
914 f->prev_segmap,
915 f->b4_stride);
916 if (seg_id >= 8) return -1;
917 b->seg_id = seg_id;
918 } else {
919 b->seg_id = 0;
920 }
921 } else {
922 int seg_ctx;
923 const unsigned pred_seg_id =
924 get_cur_frame_segid(t->by, t->bx, have_top, have_left,
925 &seg_ctx, f->cur_segmap, f->b4_stride);
926 if (b->skip) {
927 b->seg_id = pred_seg_id;
928 } else {
929 const unsigned diff = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
930 ts->cdf.m.seg_id[seg_ctx],
931 DAV1D_MAX_SEGMENTS8 - 1);
932 const unsigned last_active_seg_id =
933 f->frame_hdr->segmentation.seg_data.last_active_segid;
934 b->seg_id = neg_deinterleave(diff, pred_seg_id,
935 last_active_seg_id + 1);
936 if (b->seg_id > last_active_seg_id) b->seg_id = 0; // error?
937 }
938 if (b->seg_id >= DAV1D_MAX_SEGMENTS8) b->seg_id = 0; // error?
939 }
940
941 seg = &f->frame_hdr->segmentation.seg_data.d[b->seg_id];
942
943 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
944 printf("Post-segid[postskip;%d]: r=%d\n",
945 b->seg_id, ts->msac.rng);
946 }
947
948 // cdef index
949 if (!b->skip) {
950 const int idx = f->seq_hdr->sb128 ? ((t->bx & 16) >> 4) +
951 ((t->by & 16) >> 3) : 0;
952 if (t->cur_sb_cdef_idx_ptr[idx] == -1) {
953 const int v = dav1d_msac_decode_bools(&ts->msac,
954 f->frame_hdr->cdef.n_bits);
955 t->cur_sb_cdef_idx_ptr[idx] = v;
956 if (bw4 > 16) t->cur_sb_cdef_idx_ptr[idx + 1] = v;
957 if (bh4 > 16) t->cur_sb_cdef_idx_ptr[idx + 2] = v;
958 if (bw4 == 32 && bh4 == 32) t->cur_sb_cdef_idx_ptr[idx + 3] = v;
959
960 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
961 printf("Post-cdef_idx[%d]: r=%d\n",
962 *t->cur_sb_cdef_idx_ptr, ts->msac.rng);
963 }
964 }
965
966 // delta-q/lf
967 if (!((t->bx | t->by) & (31 >> !f->seq_hdr->sb128))) {
968 const int prev_qidx = ts->last_qidx;
969 const int have_delta_q = f->frame_hdr->delta.q.present &&
970 (bs != (f->seq_hdr->sb128 ? BS_128x128 : BS_64x64) || !b->skip);
971
972 uint32_t prev_delta_lf = ts->last_delta_lf.u32;
973
974 if (have_delta_q) {
975 int delta_q = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
976 ts->cdf.m.delta_q, 3);
977 if (delta_q == 3) {
978 const int n_bits = 1 + dav1d_msac_decode_bools(&ts->msac, 3);
979 delta_q = dav1d_msac_decode_bools(&ts->msac, n_bits) +
980 1 + (1 << n_bits);
981 }
982 if (delta_q) {
983 if (dav1d_msac_decode_bool_equidav1d_msac_decode_bool_equi_sse2(&ts->msac)) delta_q = -delta_q;
984 delta_q *= 1 << f->frame_hdr->delta.q.res_log2;
985 }
986 ts->last_qidx = iclip(ts->last_qidx + delta_q, 1, 255);
987 if (have_delta_q && DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
988 printf("Post-delta_q[%d->%d]: r=%d\n",
989 delta_q, ts->last_qidx, ts->msac.rng);
990
991 if (f->frame_hdr->delta.lf.present) {
992 const int n_lfs = f->frame_hdr->delta.lf.multi ?
993 f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400 ? 4 : 2 : 1;
994
995 for (int i = 0; i < n_lfs; i++) {
996 int delta_lf = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
997 ts->cdf.m.delta_lf[i + f->frame_hdr->delta.lf.multi], 3);
998 if (delta_lf == 3) {
999 const int n_bits = 1 + dav1d_msac_decode_bools(&ts->msac, 3);
1000 delta_lf = dav1d_msac_decode_bools(&ts->msac, n_bits) +
1001 1 + (1 << n_bits);
1002 }
1003 if (delta_lf) {
1004 if (dav1d_msac_decode_bool_equidav1d_msac_decode_bool_equi_sse2(&ts->msac))
1005 delta_lf = -delta_lf;
1006 delta_lf *= 1 << f->frame_hdr->delta.lf.res_log2;
1007 }
1008 ts->last_delta_lf.i8[i] =
1009 iclip(ts->last_delta_lf.i8[i] + delta_lf, -63, 63);
1010 if (have_delta_q && DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1011 printf("Post-delta_lf[%d:%d]: r=%d\n", i, delta_lf,
1012 ts->msac.rng);
1013 }
1014 }
1015 }
1016 if (ts->last_qidx == f->frame_hdr->quant.yac) {
1017 // assign frame-wide q values to this sb
1018 ts->dq = f->dq;
1019 } else if (ts->last_qidx != prev_qidx) {
1020 // find sb-specific quant parameters
1021 init_quant_tables(f->seq_hdr, f->frame_hdr, ts->last_qidx, ts->dqmem);
1022 ts->dq = ts->dqmem;
1023 }
1024 if (!ts->last_delta_lf.u32) {
1025 // assign frame-wide lf values to this sb
1026 ts->lflvl = f->lf.lvl;
1027 } else if (ts->last_delta_lf.u32 != prev_delta_lf) {
1028 // find sb-specific lf lvl parameters
1029 ts->lflvl = ts->lflvlmem;
1030 dav1d_calc_lf_values(ts->lflvlmem, f->frame_hdr, ts->last_delta_lf.i8);
1031 }
1032 }
1033
1034 if (b->skip_mode) {
1035 b->intra = 0;
1036 } else if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
1037 if (seg && (seg->ref >= 0 || seg->globalmv)) {
1038 b->intra = !seg->ref;
1039 } else {
1040 const int ictx = get_intra_ctx(t->a, &t->l, by4, bx4,
1041 have_top, have_left);
1042 b->intra = !dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1043 ts->cdf.m.intra[ictx]);
1044 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1045 printf("Post-intra[%d]: r=%d\n", b->intra, ts->msac.rng);
1046 }
1047 } else if (f->frame_hdr->allow_intrabc) {
1048 b->intra = !dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac, ts->cdf.m.intrabc);
1049 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1050 printf("Post-intrabcflag[%d]: r=%d\n", b->intra, ts->msac.rng);
1051 } else {
1052 b->intra = 1;
1053 }
1054
1055 // intra/inter-specific stuff
1056 if (b->intra) {
1057 uint16_t *const ymode_cdf = IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) ?
1058 ts->cdf.m.y_mode[dav1d_ymode_size_context[bs]] :
1059 ts->cdf.kfym[dav1d_intra_mode_context[t->a->mode[bx4]]]
1060 [dav1d_intra_mode_context[t->l.mode[by4]]];
1061 b->y_mode = dav1d_msac_decode_symbol_adapt16(&ts->msac, ymode_cdf,((&ts->msac)->symbol_adapt16(&ts->msac, ymode_cdf
, N_INTRA_PRED_MODES - 1))
1062 N_INTRA_PRED_MODES - 1)((&ts->msac)->symbol_adapt16(&ts->msac, ymode_cdf
, N_INTRA_PRED_MODES - 1))
;
1063 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1064 printf("Post-ymode[%d]: r=%d\n", b->y_mode, ts->msac.rng);
1065
1066 // angle delta
1067 if (b_dim[2] + b_dim[3] >= 2 && b->y_mode >= VERT_PRED &&
1068 b->y_mode <= VERT_LEFT_PRED)
1069 {
1070 uint16_t *const acdf = ts->cdf.m.angle_delta[b->y_mode - VERT_PRED];
1071 const int angle = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac, acdf, 6);
1072 b->y_angle = angle - 3;
1073 } else {
1074 b->y_angle = 0;
1075 }
1076
1077 if (has_chroma) {
1078 const int cfl_allowed = f->frame_hdr->segmentation.lossless[b->seg_id] ?
1079 cbw4 == 1 && cbh4 == 1 : !!(cfl_allowed_mask & (1 << bs));
1080 uint16_t *const uvmode_cdf = ts->cdf.m.uv_mode[cfl_allowed][b->y_mode];
1081 b->uv_mode = dav1d_msac_decode_symbol_adapt16(&ts->msac, uvmode_cdf,((&ts->msac)->symbol_adapt16(&ts->msac, uvmode_cdf
, N_UV_INTRA_PRED_MODES - 1 - !cfl_allowed))
1082 N_UV_INTRA_PRED_MODES - 1 - !cfl_allowed)((&ts->msac)->symbol_adapt16(&ts->msac, uvmode_cdf
, N_UV_INTRA_PRED_MODES - 1 - !cfl_allowed))
;
1083 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1084 printf("Post-uvmode[%d]: r=%d\n", b->uv_mode, ts->msac.rng);
1085
1086 b->uv_angle = 0;
1087 if (b->uv_mode == CFL_PRED) {
1088#define SIGN(a) (!!(a) + ((a) > 0))
1089 const int sign = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
1090 ts->cdf.m.cfl_sign, 7) + 1;
1091 const int sign_u = sign * 0x56 >> 8, sign_v = sign - sign_u * 3;
1092 assert(sign_u == sign / 3)((void) sizeof ((sign_u == sign / 3) ? 1 : 0), __extension__ (
{ if (sign_u == sign / 3) ; else __assert_fail ("sign_u == sign / 3"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 1092,
__extension__ __PRETTY_FUNCTION__); }))
;
1093 if (sign_u) {
1094 const int ctx = (sign_u == 2) * 3 + sign_v;
1095 b->cfl_alpha[0] = dav1d_msac_decode_symbol_adapt16(&ts->msac,((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.cfl_alpha[ctx], 15))
1096 ts->cdf.m.cfl_alpha[ctx], 15)((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.cfl_alpha[ctx], 15))
+ 1;
1097 if (sign_u == 1) b->cfl_alpha[0] = -b->cfl_alpha[0];
1098 } else {
1099 b->cfl_alpha[0] = 0;
1100 }
1101 if (sign_v) {
1102 const int ctx = (sign_v == 2) * 3 + sign_u;
1103 b->cfl_alpha[1] = dav1d_msac_decode_symbol_adapt16(&ts->msac,((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.cfl_alpha[ctx], 15))
1104 ts->cdf.m.cfl_alpha[ctx], 15)((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.cfl_alpha[ctx], 15))
+ 1;
1105 if (sign_v == 1) b->cfl_alpha[1] = -b->cfl_alpha[1];
1106 } else {
1107 b->cfl_alpha[1] = 0;
1108 }
1109#undef SIGN
1110 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1111 printf("Post-uvalphas[%d/%d]: r=%d\n",
1112 b->cfl_alpha[0], b->cfl_alpha[1], ts->msac.rng);
1113 } else if (b_dim[2] + b_dim[3] >= 2 && b->uv_mode >= VERT_PRED &&
1114 b->uv_mode <= VERT_LEFT_PRED)
1115 {
1116 uint16_t *const acdf = ts->cdf.m.angle_delta[b->uv_mode - VERT_PRED];
1117 const int angle = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac, acdf, 6);
1118 b->uv_angle = angle - 3;
1119 }
1120 }
1121
1122 b->pal_sz[0] = b->pal_sz[1] = 0;
1123 if (f->frame_hdr->allow_screen_content_tools &&
1124 imax(bw4, bh4) <= 16 && bw4 + bh4 >= 4)
1125 {
1126 const int sz_ctx = b_dim[2] + b_dim[3] - 2;
1127 if (b->y_mode == DC_PRED) {
1128 const int pal_ctx = (t->a->pal_sz[bx4] > 0) + (t->l.pal_sz[by4] > 0);
1129 const int use_y_pal = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1130 ts->cdf.m.pal_y[sz_ctx][pal_ctx]);
1131 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1132 printf("Post-y_pal[%d]: r=%d\n", use_y_pal, ts->msac.rng);
1133 if (use_y_pal)
1134 f->bd_fn.read_pal_plane(t, b, 0, sz_ctx, bx4, by4);
1135 }
1136
1137 if (has_chroma && b->uv_mode == DC_PRED) {
1138 const int pal_ctx = b->pal_sz[0] > 0;
1139 const int use_uv_pal = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1140 ts->cdf.m.pal_uv[pal_ctx]);
1141 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1142 printf("Post-uv_pal[%d]: r=%d\n", use_uv_pal, ts->msac.rng);
1143 if (use_uv_pal) // see aomedia bug 2183 for why we use luma coordinates
1144 f->bd_fn.read_pal_uv(t, b, sz_ctx, bx4, by4);
1145 }
1146 }
1147
1148 if (b->y_mode == DC_PRED && !b->pal_sz[0] &&
1149 imax(b_dim[2], b_dim[3]) <= 3 && f->seq_hdr->filter_intra)
1150 {
1151 const int is_filter = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1152 ts->cdf.m.use_filter_intra[bs]);
1153 if (is_filter) {
1154 b->y_mode = FILTER_PRED;
1155 b->y_angle = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
1156 ts->cdf.m.filter_intra, 4);
1157 }
1158 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1159 printf("Post-filterintramode[%d/%d]: r=%d\n",
1160 b->y_mode, b->y_angle, ts->msac.rng);
1161 }
1162
1163 if (b->pal_sz[0]) {
1164 uint8_t *pal_idx;
1165 if (t->frame_thread.pass) {
1166 const int p = t->frame_thread.pass & 1;
1167 assert(ts->frame_thread[p].pal_idx)((void) sizeof ((ts->frame_thread[p].pal_idx) ? 1 : 0), __extension__
({ if (ts->frame_thread[p].pal_idx) ; else __assert_fail (
"ts->frame_thread[p].pal_idx", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 1167, __extension__ __PRETTY_FUNCTION__); }))
;
1168 pal_idx = ts->frame_thread[p].pal_idx;
1169 ts->frame_thread[p].pal_idx += bw4 * bh4 * 8;
1170 } else
1171 pal_idx = t->scratch.pal_idx_y;
1172 read_pal_indices(t, pal_idx, b->pal_sz[0], 0, w4, h4, bw4, bh4);
1173 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1174 printf("Post-y-pal-indices: r=%d\n", ts->msac.rng);
1175 }
1176
1177 if (has_chroma && b->pal_sz[1]) {
1178 uint8_t *pal_idx;
1179 if (t->frame_thread.pass) {
1180 const int p = t->frame_thread.pass & 1;
1181 assert(ts->frame_thread[p].pal_idx)((void) sizeof ((ts->frame_thread[p].pal_idx) ? 1 : 0), __extension__
({ if (ts->frame_thread[p].pal_idx) ; else __assert_fail (
"ts->frame_thread[p].pal_idx", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 1181, __extension__ __PRETTY_FUNCTION__); }))
;
1182 pal_idx = ts->frame_thread[p].pal_idx;
1183 ts->frame_thread[p].pal_idx += cbw4 * cbh4 * 8;
1184 } else
1185 pal_idx = t->scratch.pal_idx_uv;
1186 read_pal_indices(t, pal_idx, b->pal_sz[1], 1, cw4, ch4, cbw4, cbh4);
1187 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1188 printf("Post-uv-pal-indices: r=%d\n", ts->msac.rng);
1189 }
1190
1191 const TxfmInfo *t_dim;
1192 if (f->frame_hdr->segmentation.lossless[b->seg_id]) {
1193 b->tx = b->uvtx = (int) TX_4X4;
1194 t_dim = &dav1d_txfm_dimensions[TX_4X4];
1195 } else {
1196 b->tx = dav1d_max_txfm_size_for_bs[bs][0];
1197 b->uvtx = dav1d_max_txfm_size_for_bs[bs][f->cur.p.layout];
1198 t_dim = &dav1d_txfm_dimensions[b->tx];
1199 if (f->frame_hdr->txfm_mode == DAV1D_TX_SWITCHABLE && t_dim->max > TX_4X4) {
1200 const int tctx = get_tx_ctx(t->a, &t->l, t_dim, by4, bx4);
1201 uint16_t *const tx_cdf = ts->cdf.m.txsz[t_dim->max - 1][tctx];
1202 int depth = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac, tx_cdf,
1203 imin(t_dim->max, 2));
1204
1205 while (depth--) {
1206 b->tx = t_dim->sub;
1207 t_dim = &dav1d_txfm_dimensions[b->tx];
1208 }
1209 }
1210 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1211 printf("Post-tx[%d]: r=%d\n", b->tx, ts->msac.rng);
1212 }
1213
1214 // reconstruction
1215 if (t->frame_thread.pass == 1) {
1216 f->bd_fn.read_coef_blocks(t, bs, b);
1217 } else {
1218 f->bd_fn.recon_b_intra(t, bs, intra_edge_flags, b);
1219 }
1220
1221 if (f->frame_hdr->loopfilter.level_y[0] ||
1222 f->frame_hdr->loopfilter.level_y[1])
1223 {
1224 dav1d_create_lf_mask_intra(t->lf_mask, f->lf.level, f->b4_stride,
1225 (const uint8_t (*)[8][2])
1226 &ts->lflvl[b->seg_id][0][0][0],
1227 t->bx, t->by, f->w4, f->h4, bs,
1228 b->tx, b->uvtx, f->cur.p.layout,
1229 &t->a->tx_lpf_y[bx4], &t->l.tx_lpf_y[by4],
1230 has_chroma ? &t->a->tx_lpf_uv[cbx4] : NULL((void*)0),
1231 has_chroma ? &t->l.tx_lpf_uv[cby4] : NULL((void*)0));
1232 }
1233 // update contexts
1234 const enum IntraPredMode y_mode_nofilt =
1235 b->y_mode == FILTER_PRED ? DC_PRED : b->y_mode;
1236 BlockContext *edge = t->a;
1237 for (int i = 0, off = bx4; i < 2; i++, off = by4, edge = &t->l) {
1238 int t_lsz = ((uint8_t *) &t_dim->lw)[i]; // lw then lh
1239#define set_ctx(rep_macro) \
1240 rep_macro(edge->tx_intra, off, t_lsz); \
1241 rep_macro(edge->tx, off, t_lsz); \
1242 rep_macro(edge->mode, off, y_mode_nofilt); \
1243 rep_macro(edge->pal_sz, off, b->pal_sz[0]); \
1244 rep_macro(edge->seg_pred, off, seg_pred); \
1245 rep_macro(edge->skip_mode, off, 0); \
1246 rep_macro(edge->intra, off, 1); \
1247 rep_macro(edge->skip, off, b->skip); \
1248 /* see aomedia bug 2183 for why we use luma coordinates here */ \
1249 rep_macro(t->pal_sz_uv[i], off, (has_chroma ? b->pal_sz[1] : 0)); \
1250 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) { \
1251 rep_macro(edge->comp_type, off, COMP_INTER_NONE); \
1252 rep_macro(edge->ref[0], off, ((uint8_t) -1)); \
1253 rep_macro(edge->ref[1], off, ((uint8_t) -1)); \
1254 rep_macro(edge->filter[0], off, DAV1D_N_SWITCHABLE_FILTERS); \
1255 rep_macro(edge->filter[1], off, DAV1D_N_SWITCHABLE_FILTERS); \
1256 }
1257 case_set(b_dim[2 + i])switch (b_dim[2 + i]) { case 0: set_ctx(set_ctx1); break; case
1: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break
; case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16
); break; case 5: set_ctx(set_ctx32); break; default: ((void)
sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 1257
, __extension__ __PRETTY_FUNCTION__); })); }
;
1258#undef set_ctx
1259 }
1260 if (b->pal_sz[0])
1261 f->bd_fn.copy_pal_block_y(t, bx4, by4, bw4, bh4);
1262 if (has_chroma) {
1263 uint8_t uv_mode = b->uv_mode;
1264 dav1d_memset_pow2[ulog2(cbw4)](&t->a->uvmode[cbx4], uv_mode);
1265 dav1d_memset_pow2[ulog2(cbh4)](&t->l.uvmode[cby4], uv_mode);
1266 if (b->pal_sz[1])
1267 f->bd_fn.copy_pal_block_uv(t, bx4, by4, bw4, bh4);
1268 }
1269 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) || f->frame_hdr->allow_intrabc)
1270 splat_intraref(f->c, t, bs, bw4, bh4);
1271 } else if (IS_KEY_OR_INTRA(f->frame_hdr)(!((f->frame_hdr)->frame_type & 1))) {
1272 // intra block copy
1273 refmvs_candidate mvstack[8];
1274 int n_mvs, ctx;
1275 dav1d_refmvs_find(&t->rt, mvstack, &n_mvs, &ctx,
1276 (union refmvs_refpair) { .ref = { 0, -1 }},
1277 bs, intra_edge_flags, t->by, t->bx);
1278
1279 if (mvstack[0].mv.mv[0].n)
1280 b->mv[0] = mvstack[0].mv.mv[0];
1281 else if (mvstack[1].mv.mv[0].n)
1282 b->mv[0] = mvstack[1].mv.mv[0];
1283 else {
1284 if (t->by - (16 << f->seq_hdr->sb128) < ts->tiling.row_start) {
1285 b->mv[0].y = 0;
1286 b->mv[0].x = -(512 << f->seq_hdr->sb128) - 2048;
1287 } else {
1288 b->mv[0].y = -(512 << f->seq_hdr->sb128);
1289 b->mv[0].x = 0;
1290 }
1291 }
1292
1293 const union mv ref = b->mv[0];
1294 read_mv_residual(ts, &b->mv[0], -1);
1295
1296 // clip intrabc motion vector to decoded parts of current tile
1297 int border_left = ts->tiling.col_start * 4;
1298 int border_top = ts->tiling.row_start * 4;
1299 if (has_chroma) {
1300 if (bw4 < 2 && ss_hor)
1301 border_left += 4;
1302 if (bh4 < 2 && ss_ver)
1303 border_top += 4;
1304 }
1305 int src_left = t->bx * 4 + (b->mv[0].x >> 3);
1306 int src_top = t->by * 4 + (b->mv[0].y >> 3);
1307 int src_right = src_left + bw4 * 4;
1308 int src_bottom = src_top + bh4 * 4;
1309 const int border_right = ((ts->tiling.col_end + (bw4 - 1)) & ~(bw4 - 1)) * 4;
1310
1311 // check against left or right tile boundary and adjust if necessary
1312 if (src_left < border_left) {
1313 src_right += border_left - src_left;
1314 src_left += border_left - src_left;
1315 } else if (src_right > border_right) {
1316 src_left -= src_right - border_right;
1317 src_right -= src_right - border_right;
1318 }
1319 // check against top tile boundary and adjust if necessary
1320 if (src_top < border_top) {
1321 src_bottom += border_top - src_top;
1322 src_top += border_top - src_top;
1323 }
1324
1325 const int sbx = (t->bx >> (4 + f->seq_hdr->sb128)) << (6 + f->seq_hdr->sb128);
1326 const int sby = (t->by >> (4 + f->seq_hdr->sb128)) << (6 + f->seq_hdr->sb128);
1327 const int sb_size = 1 << (6 + f->seq_hdr->sb128);
1328 // check for overlap with current superblock
1329 if (src_bottom > sby && src_right > sbx) {
1330 if (src_top - border_top >= src_bottom - sby) {
1331 // if possible move src up into the previous suberblock row
1332 src_top -= src_bottom - sby;
1333 src_bottom -= src_bottom - sby;
1334 } else if (src_left - border_left >= src_right - sbx) {
1335 // if possible move src left into the previous suberblock
1336 src_left -= src_right - sbx;
1337 src_right -= src_right - sbx;
1338 }
1339 }
1340 // move src up if it is below current superblock row
1341 if (src_bottom > sby + sb_size) {
1342 src_top -= src_bottom - (sby + sb_size);
1343 src_bottom -= src_bottom - (sby + sb_size);
1344 }
1345 // error out if mv still overlaps with the current superblock
1346 if (src_bottom > sby && src_right > sbx)
1347 return -1;
1348
1349 b->mv[0].x = (src_left - t->bx * 4) * 8;
1350 b->mv[0].y = (src_top - t->by * 4) * 8;
1351
1352 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1353 printf("Post-dmv[%d/%d,ref=%d/%d|%d/%d]: r=%d\n",
1354 b->mv[0].y, b->mv[0].x, ref.y, ref.x,
1355 mvstack[0].mv.mv[0].y, mvstack[0].mv.mv[0].x, ts->msac.rng);
1356 read_vartx_tree(t, b, bs, bx4, by4);
1357
1358 // reconstruction
1359 if (t->frame_thread.pass == 1) {
1360 f->bd_fn.read_coef_blocks(t, bs, b);
1361 b->filter2d = FILTER_2D_BILINEAR;
1362 } else {
1363 if (f->bd_fn.recon_b_inter(t, bs, b)) return -1;
1364 }
1365
1366 splat_intrabc_mv(f->c, t, bs, b, bw4, bh4);
1367 BlockContext *edge = t->a;
1368 for (int i = 0, off = bx4; i < 2; i++, off = by4, edge = &t->l) {
1369#define set_ctx(rep_macro) \
1370 rep_macro(edge->tx_intra, off, b_dim[2 + i]); \
1371 rep_macro(edge->mode, off, DC_PRED); \
1372 rep_macro(edge->pal_sz, off, 0); \
1373 /* see aomedia bug 2183 for why this is outside if (has_chroma) */ \
1374 rep_macro(t->pal_sz_uv[i], off, 0); \
1375 rep_macro(edge->seg_pred, off, seg_pred); \
1376 rep_macro(edge->skip_mode, off, 0); \
1377 rep_macro(edge->intra, off, 0); \
1378 rep_macro(edge->skip, off, b->skip)
1379 case_set(b_dim[2 + i])switch (b_dim[2 + i]) { case 0: set_ctx(set_ctx1); break; case
1: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break
; case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16
); break; case 5: set_ctx(set_ctx32); break; default: ((void)
sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 1379
, __extension__ __PRETTY_FUNCTION__); })); }
;
1380#undef set_ctx
1381 }
1382 if (has_chroma) {
1383 dav1d_memset_pow2[ulog2(cbw4)](&t->a->uvmode[cbx4], DC_PRED);
1384 dav1d_memset_pow2[ulog2(cbh4)](&t->l.uvmode[cby4], DC_PRED);
1385 }
1386 } else {
1387 // inter-specific mode/mv coding
1388 int is_comp, has_subpel_filter;
1389
1390 if (b->skip_mode) {
1391 is_comp = 1;
1392 } else if ((!seg || (seg->ref == -1 && !seg->globalmv && !seg->skip)) &&
1393 f->frame_hdr->switchable_comp_refs && imin(bw4, bh4) > 1)
1394 {
1395 const int ctx = get_comp_ctx(t->a, &t->l, by4, bx4,
1396 have_top, have_left);
1397 is_comp = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1398 ts->cdf.m.comp[ctx]);
1399 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1400 printf("Post-compflag[%d]: r=%d\n", is_comp, ts->msac.rng);
1401 } else {
1402 is_comp = 0;
1403 }
1404
1405 if (b->skip_mode) {
1406 b->ref[0] = f->frame_hdr->skip_mode_refs[0];
1407 b->ref[1] = f->frame_hdr->skip_mode_refs[1];
1408 b->comp_type = COMP_INTER_AVG;
1409 b->inter_mode = NEARESTMV_NEARESTMV;
1410 b->drl_idx = NEAREST_DRL;
1411 has_subpel_filter = 0;
1412
1413 refmvs_candidate mvstack[8];
1414 int n_mvs, ctx;
1415 dav1d_refmvs_find(&t->rt, mvstack, &n_mvs, &ctx,
1416 (union refmvs_refpair) { .ref = {
1417 b->ref[0] + 1, b->ref[1] + 1 }},
1418 bs, intra_edge_flags, t->by, t->bx);
1419
1420 b->mv[0] = mvstack[0].mv.mv[0];
1421 b->mv[1] = mvstack[0].mv.mv[1];
1422 fix_mv_precision(f->frame_hdr, &b->mv[0]);
1423 fix_mv_precision(f->frame_hdr, &b->mv[1]);
1424 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1425 printf("Post-skipmodeblock[mv=1:y=%d,x=%d,2:y=%d,x=%d,refs=%d+%d\n",
1426 b->mv[0].y, b->mv[0].x, b->mv[1].y, b->mv[1].x,
1427 b->ref[0], b->ref[1]);
1428 } else if (is_comp) {
1429 const int dir_ctx = get_comp_dir_ctx(t->a, &t->l, by4, bx4,
1430 have_top, have_left);
1431 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1432 ts->cdf.m.comp_dir[dir_ctx]))
1433 {
1434 // bidir - first reference (fw)
1435 const int ctx1 = av1_get_fwd_ref_ctx(t->a, &t->l, by4, bx4,
1436 have_top, have_left);
1437 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1438 ts->cdf.m.comp_fwd_ref[0][ctx1]))
1439 {
1440 const int ctx2 = av1_get_fwd_ref_2_ctx(t->a, &t->l, by4, bx4,
1441 have_top, have_left);
1442 b->ref[0] = 2 + dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1443 ts->cdf.m.comp_fwd_ref[2][ctx2]);
1444 } else {
1445 const int ctx2 = av1_get_fwd_ref_1_ctx(t->a, &t->l, by4, bx4,
1446 have_top, have_left);
1447 b->ref[0] = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1448 ts->cdf.m.comp_fwd_ref[1][ctx2]);
1449 }
1450
1451 // second reference (bw)
1452 const int ctx3 = av1_get_bwd_ref_ctx(t->a, &t->l, by4, bx4,
1453 have_top, have_left);
1454 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1455 ts->cdf.m.comp_bwd_ref[0][ctx3]))
1456 {
1457 b->ref[1] = 6;
1458 } else {
1459 const int ctx4 = av1_get_bwd_ref_1_ctx(t->a, &t->l, by4, bx4,
1460 have_top, have_left);
1461 b->ref[1] = 4 + dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1462 ts->cdf.m.comp_bwd_ref[1][ctx4]);
1463 }
1464 } else {
1465 // unidir
1466 const int uctx_p = av1_get_uni_p_ctxav1_get_ref_ctx(t->a, &t->l, by4, bx4,
1467 have_top, have_left);
1468 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1469 ts->cdf.m.comp_uni_ref[0][uctx_p]))
1470 {
1471 b->ref[0] = 4;
1472 b->ref[1] = 6;
1473 } else {
1474 const int uctx_p1 = av1_get_uni_p1_ctx(t->a, &t->l, by4, bx4,
1475 have_top, have_left);
1476 b->ref[0] = 0;
1477 b->ref[1] = 1 + dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1478 ts->cdf.m.comp_uni_ref[1][uctx_p1]);
1479 if (b->ref[1] == 2) {
1480 const int uctx_p2 = av1_get_uni_p2_ctxav1_get_fwd_ref_2_ctx(t->a, &t->l, by4, bx4,
1481 have_top, have_left);
1482 b->ref[1] += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1483 ts->cdf.m.comp_uni_ref[2][uctx_p2]);
1484 }
1485 }
1486 }
1487 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1488 printf("Post-refs[%d/%d]: r=%d\n",
1489 b->ref[0], b->ref[1], ts->msac.rng);
1490
1491 refmvs_candidate mvstack[8];
1492 int n_mvs, ctx;
1493 dav1d_refmvs_find(&t->rt, mvstack, &n_mvs, &ctx,
1494 (union refmvs_refpair) { .ref = {
1495 b->ref[0] + 1, b->ref[1] + 1 }},
1496 bs, intra_edge_flags, t->by, t->bx);
1497
1498 b->inter_mode = dav1d_msac_decode_symbol_adapt8dav1d_msac_decode_symbol_adapt8_sse2(&ts->msac,
1499 ts->cdf.m.comp_inter_mode[ctx],
1500 N_COMP_INTER_PRED_MODES - 1);
1501 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1502 printf("Post-compintermode[%d,ctx=%d,n_mvs=%d]: r=%d\n",
1503 b->inter_mode, ctx, n_mvs, ts->msac.rng);
1504
1505 const uint8_t *const im = dav1d_comp_inter_pred_modes[b->inter_mode];
1506 b->drl_idx = NEAREST_DRL;
1507 if (b->inter_mode == NEWMV_NEWMV) {
1508 if (n_mvs > 1) { // NEARER, NEAR or NEARISH
1509 const int drl_ctx_v1 = get_drl_context(mvstack, 0);
1510 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1511 ts->cdf.m.drl_bit[drl_ctx_v1]);
1512 if (b->drl_idx == NEARER_DRL && n_mvs > 2) {
1513 const int drl_ctx_v2 = get_drl_context(mvstack, 1);
1514 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1515 ts->cdf.m.drl_bit[drl_ctx_v2]);
1516 }
1517 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1518 printf("Post-drlidx[%d,n_mvs=%d]: r=%d\n",
1519 b->drl_idx, n_mvs, ts->msac.rng);
1520 }
1521 } else if (im[0] == NEARMV || im[1] == NEARMV) {
1522 b->drl_idx = NEARER_DRL;
1523 if (n_mvs > 2) { // NEAR or NEARISH
1524 const int drl_ctx_v2 = get_drl_context(mvstack, 1);
1525 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1526 ts->cdf.m.drl_bit[drl_ctx_v2]);
1527 if (b->drl_idx == NEAR_DRL && n_mvs > 3) {
1528 const int drl_ctx_v3 = get_drl_context(mvstack, 2);
1529 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1530 ts->cdf.m.drl_bit[drl_ctx_v3]);
1531 }
1532 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1533 printf("Post-drlidx[%d,n_mvs=%d]: r=%d\n",
1534 b->drl_idx, n_mvs, ts->msac.rng);
1535 }
1536 }
1537 assert(b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL)((void) sizeof ((b->drl_idx >= NEAREST_DRL && b
->drl_idx <= NEARISH_DRL) ? 1 : 0), __extension__ ({ if
(b->drl_idx >= NEAREST_DRL && b->drl_idx <=
NEARISH_DRL) ; else __assert_fail ("b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 1537,
__extension__ __PRETTY_FUNCTION__); }))
;
1538
1539#define assign_comp_mv(idx) \
1540 switch (im[idx]) { \
1541 case NEARMV: \
1542 case NEARESTMV: \
1543 b->mv[idx] = mvstack[b->drl_idx].mv.mv[idx]; \
1544 fix_mv_precision(f->frame_hdr, &b->mv[idx]); \
1545 break; \
1546 case GLOBALMV: \
1547 has_subpel_filter |= \
1548 f->frame_hdr->gmv[b->ref[idx]].type == DAV1D_WM_TYPE_TRANSLATION; \
1549 b->mv[idx] = get_gmv_2d(&f->frame_hdr->gmv[b->ref[idx]], \
1550 t->bx, t->by, bw4, bh4, f->frame_hdr); \
1551 break; \
1552 case NEWMV: \
1553 b->mv[idx] = mvstack[b->drl_idx].mv.mv[idx]; \
1554 const int mv_prec = f->frame_hdr->hp - f->frame_hdr->force_integer_mv; \
1555 read_mv_residual(ts, &b->mv[idx], mv_prec); \
1556 break; \
1557 }
1558 has_subpel_filter = imin(bw4, bh4) == 1 ||
1559 b->inter_mode != GLOBALMV_GLOBALMV;
1560 assign_comp_mv(0);
1561 assign_comp_mv(1);
1562#undef assign_comp_mv
1563 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1564 printf("Post-residual_mv[1:y=%d,x=%d,2:y=%d,x=%d]: r=%d\n",
1565 b->mv[0].y, b->mv[0].x, b->mv[1].y, b->mv[1].x,
1566 ts->msac.rng);
1567
1568 // jnt_comp vs. seg vs. wedge
1569 int is_segwedge = 0;
1570 if (f->seq_hdr->masked_compound) {
1571 const int mask_ctx = get_mask_comp_ctx(t->a, &t->l, by4, bx4);
1572
1573 is_segwedge = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1574 ts->cdf.m.mask_comp[mask_ctx]);
1575 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1576 printf("Post-segwedge_vs_jntavg[%d,ctx=%d]: r=%d\n",
1577 is_segwedge, mask_ctx, ts->msac.rng);
1578 }
1579
1580 if (!is_segwedge) {
1581 if (f->seq_hdr->jnt_comp) {
1582 const int jnt_ctx =
1583 get_jnt_comp_ctx(f->seq_hdr->order_hint_n_bits,
1584 f->cur.frame_hdr->frame_offset,
1585 f->refp[b->ref[0]].p.frame_hdr->frame_offset,
1586 f->refp[b->ref[1]].p.frame_hdr->frame_offset,
1587 t->a, &t->l, by4, bx4);
1588 b->comp_type = COMP_INTER_WEIGHTED_AVG +
1589 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1590 ts->cdf.m.jnt_comp[jnt_ctx]);
1591 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1592 printf("Post-jnt_comp[%d,ctx=%d[ac:%d,ar:%d,lc:%d,lr:%d]]: r=%d\n",
1593 b->comp_type == COMP_INTER_AVG,
1594 jnt_ctx, t->a->comp_type[bx4], t->a->ref[0][bx4],
1595 t->l.comp_type[by4], t->l.ref[0][by4],
1596 ts->msac.rng);
1597 } else {
1598 b->comp_type = COMP_INTER_AVG;
1599 }
1600 } else {
1601 if (wedge_allowed_mask & (1 << bs)) {
1602 const int ctx = dav1d_wedge_ctx_lut[bs];
1603 b->comp_type = COMP_INTER_WEDGE -
1604 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1605 ts->cdf.m.wedge_comp[ctx]);
1606 if (b->comp_type == COMP_INTER_WEDGE)
1607 b->wedge_idx = dav1d_msac_decode_symbol_adapt16(&ts->msac,((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.wedge_idx[ctx], 15))
1608 ts->cdf.m.wedge_idx[ctx], 15)((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.wedge_idx[ctx], 15))
;
1609 } else {
1610 b->comp_type = COMP_INTER_SEG;
1611 }
1612 b->mask_sign = dav1d_msac_decode_bool_equidav1d_msac_decode_bool_equi_sse2(&ts->msac);
1613 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1614 printf("Post-seg/wedge[%d,wedge_idx=%d,sign=%d]: r=%d\n",
1615 b->comp_type == COMP_INTER_WEDGE,
1616 b->wedge_idx, b->mask_sign, ts->msac.rng);
1617 }
1618 } else {
1619 b->comp_type = COMP_INTER_NONE;
1620
1621 // ref
1622 if (seg && seg->ref > 0) {
1623 b->ref[0] = seg->ref - 1;
1624 } else if (seg && (seg->globalmv || seg->skip)) {
1625 b->ref[0] = 0;
1626 } else {
1627 const int ctx1 = av1_get_ref_ctx(t->a, &t->l, by4, bx4,
1628 have_top, have_left);
1629 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1630 ts->cdf.m.ref[0][ctx1]))
1631 {
1632 const int ctx2 = av1_get_ref_2_ctxav1_get_bwd_ref_ctx(t->a, &t->l, by4, bx4,
1633 have_top, have_left);
1634 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1635 ts->cdf.m.ref[1][ctx2]))
1636 {
1637 b->ref[0] = 6;
1638 } else {
1639 const int ctx3 = av1_get_ref_6_ctxav1_get_bwd_ref_1_ctx(t->a, &t->l, by4, bx4,
1640 have_top, have_left);
1641 b->ref[0] = 4 + dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1642 ts->cdf.m.ref[5][ctx3]);
1643 }
1644 } else {
1645 const int ctx2 = av1_get_ref_3_ctxav1_get_fwd_ref_ctx(t->a, &t->l, by4, bx4,
1646 have_top, have_left);
1647 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1648 ts->cdf.m.ref[2][ctx2]))
1649 {
1650 const int ctx3 = av1_get_ref_5_ctxav1_get_fwd_ref_2_ctx(t->a, &t->l, by4, bx4,
1651 have_top, have_left);
1652 b->ref[0] = 2 + dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1653 ts->cdf.m.ref[4][ctx3]);
1654 } else {
1655 const int ctx3 = av1_get_ref_4_ctxav1_get_fwd_ref_1_ctx(t->a, &t->l, by4, bx4,
1656 have_top, have_left);
1657 b->ref[0] = dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1658 ts->cdf.m.ref[3][ctx3]);
1659 }
1660 }
1661 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1662 printf("Post-ref[%d]: r=%d\n", b->ref[0], ts->msac.rng);
1663 }
1664 b->ref[1] = -1;
1665
1666 refmvs_candidate mvstack[8];
1667 int n_mvs, ctx;
1668 dav1d_refmvs_find(&t->rt, mvstack, &n_mvs, &ctx,
1669 (union refmvs_refpair) { .ref = { b->ref[0] + 1, -1 }},
1670 bs, intra_edge_flags, t->by, t->bx);
1671
1672 // mode parsing and mv derivation from ref_mvs
1673 if ((seg && (seg->skip || seg->globalmv)) ||
1674 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1675 ts->cdf.m.newmv_mode[ctx & 7]))
1676 {
1677 if ((seg && (seg->skip || seg->globalmv)) ||
1678 !dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1679 ts->cdf.m.globalmv_mode[(ctx >> 3) & 1]))
1680 {
1681 b->inter_mode = GLOBALMV;
1682 b->mv[0] = get_gmv_2d(&f->frame_hdr->gmv[b->ref[0]],
1683 t->bx, t->by, bw4, bh4, f->frame_hdr);
1684 has_subpel_filter = imin(bw4, bh4) == 1 ||
1685 f->frame_hdr->gmv[b->ref[0]].type == DAV1D_WM_TYPE_TRANSLATION;
1686 } else {
1687 has_subpel_filter = 1;
1688 if (dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1689 ts->cdf.m.refmv_mode[(ctx >> 4) & 15]))
1690 { // NEAREST, NEARER, NEAR or NEARISH
1691 b->inter_mode = NEARMV;
1692 b->drl_idx = NEARER_DRL;
1693 if (n_mvs > 2) { // NEARER, NEAR or NEARISH
1694 const int drl_ctx_v2 = get_drl_context(mvstack, 1);
1695 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1696 ts->cdf.m.drl_bit[drl_ctx_v2]);
1697 if (b->drl_idx == NEAR_DRL && n_mvs > 3) { // NEAR or NEARISH
1698 const int drl_ctx_v3 =
1699 get_drl_context(mvstack, 2);
1700 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1701 ts->cdf.m.drl_bit[drl_ctx_v3]);
1702 }
1703 }
1704 } else {
1705 b->inter_mode = NEARESTMV;
1706 b->drl_idx = NEAREST_DRL;
1707 }
1708 assert(b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL)((void) sizeof ((b->drl_idx >= NEAREST_DRL && b
->drl_idx <= NEARISH_DRL) ? 1 : 0), __extension__ ({ if
(b->drl_idx >= NEAREST_DRL && b->drl_idx <=
NEARISH_DRL) ; else __assert_fail ("b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 1708,
__extension__ __PRETTY_FUNCTION__); }))
;
1709 b->mv[0] = mvstack[b->drl_idx].mv.mv[0];
1710 if (b->drl_idx < NEAR_DRL)
1711 fix_mv_precision(f->frame_hdr, &b->mv[0]);
1712 }
1713
1714 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1715 printf("Post-intermode[%d,drl=%d,mv=y:%d,x:%d,n_mvs=%d]: r=%d\n",
1716 b->inter_mode, b->drl_idx, b->mv[0].y, b->mv[0].x, n_mvs,
1717 ts->msac.rng);
1718 } else {
1719 has_subpel_filter = 1;
1720 b->inter_mode = NEWMV;
1721 b->drl_idx = NEAREST_DRL;
1722 if (n_mvs > 1) { // NEARER, NEAR or NEARISH
1723 const int drl_ctx_v1 = get_drl_context(mvstack, 0);
1724 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1725 ts->cdf.m.drl_bit[drl_ctx_v1]);
1726 if (b->drl_idx == NEARER_DRL && n_mvs > 2) { // NEAR or NEARISH
1727 const int drl_ctx_v2 = get_drl_context(mvstack, 1);
1728 b->drl_idx += dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1729 ts->cdf.m.drl_bit[drl_ctx_v2]);
1730 }
1731 }
1732 assert(b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL)((void) sizeof ((b->drl_idx >= NEAREST_DRL && b
->drl_idx <= NEARISH_DRL) ? 1 : 0), __extension__ ({ if
(b->drl_idx >= NEAREST_DRL && b->drl_idx <=
NEARISH_DRL) ; else __assert_fail ("b->drl_idx >= NEAREST_DRL && b->drl_idx <= NEARISH_DRL"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 1732,
__extension__ __PRETTY_FUNCTION__); }))
;
1733 if (n_mvs > 1) {
1734 b->mv[0] = mvstack[b->drl_idx].mv.mv[0];
1735 } else {
1736 assert(!b->drl_idx)((void) sizeof ((!b->drl_idx) ? 1 : 0), __extension__ ({ if
(!b->drl_idx) ; else __assert_fail ("!b->drl_idx", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 1736, __extension__ __PRETTY_FUNCTION__); }))
;
1737 b->mv[0] = mvstack[0].mv.mv[0];
1738 fix_mv_precision(f->frame_hdr, &b->mv[0]);
1739 }
1740 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1741 printf("Post-intermode[%d,drl=%d]: r=%d\n",
1742 b->inter_mode, b->drl_idx, ts->msac.rng);
1743 const int mv_prec = f->frame_hdr->hp - f->frame_hdr->force_integer_mv;
1744 read_mv_residual(ts, &b->mv[0], mv_prec);
1745 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1746 printf("Post-residualmv[mv=y:%d,x:%d]: r=%d\n",
1747 b->mv[0].y, b->mv[0].x, ts->msac.rng);
1748 }
1749
1750 // interintra flags
1751 const int ii_sz_grp = dav1d_ymode_size_context[bs];
1752 if (f->seq_hdr->inter_intra &&
1753 interintra_allowed_mask & (1 << bs) &&
1754 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1755 ts->cdf.m.interintra[ii_sz_grp]))
1756 {
1757 b->interintra_mode = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
1758 ts->cdf.m.interintra_mode[ii_sz_grp],
1759 N_INTER_INTRA_PRED_MODES - 1);
1760 const int wedge_ctx = dav1d_wedge_ctx_lut[bs];
1761 b->interintra_type = INTER_INTRA_BLEND +
1762 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
1763 ts->cdf.m.interintra_wedge[wedge_ctx]);
1764 if (b->interintra_type == INTER_INTRA_WEDGE)
1765 b->wedge_idx = dav1d_msac_decode_symbol_adapt16(&ts->msac,((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.wedge_idx[wedge_ctx], 15))
1766 ts->cdf.m.wedge_idx[wedge_ctx], 15)((&ts->msac)->symbol_adapt16(&ts->msac, ts->
cdf.m.wedge_idx[wedge_ctx], 15))
;
1767 } else {
1768 b->interintra_type = INTER_INTRA_NONE;
1769 }
1770 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
&& f->seq_hdr->inter_intra &&
1771 interintra_allowed_mask & (1 << bs))
1772 {
1773 printf("Post-interintra[t=%d,m=%d,w=%d]: r=%d\n",
1774 b->interintra_type, b->interintra_mode,
1775 b->wedge_idx, ts->msac.rng);
1776 }
1777
1778 // motion variation
1779 if (f->frame_hdr->switchable_motion_mode &&
1780 b->interintra_type == INTER_INTRA_NONE && imin(bw4, bh4) >= 2 &&
1781 // is not warped global motion
1782 !(!f->frame_hdr->force_integer_mv && b->inter_mode == GLOBALMV &&
1783 f->frame_hdr->gmv[b->ref[0]].type > DAV1D_WM_TYPE_TRANSLATION) &&
1784 // has overlappable neighbours
1785 ((have_left && findoddzero(&t->l.intra[by4 + 1], h4 >> 1)) ||
1786 (have_top && findoddzero(&t->a->intra[bx4 + 1], w4 >> 1))))
1787 {
1788 // reaching here means the block allows obmc - check warp by
1789 // finding matching-ref blocks in top/left edges
1790 uint64_t mask[2] = { 0, 0 };
1791 find_matching_ref(t, intra_edge_flags, bw4, bh4, w4, h4,
1792 have_left, have_top, b->ref[0], mask);
1793 const int allow_warp = !f->svc[b->ref[0]][0].scale &&
1794 !f->frame_hdr->force_integer_mv &&
1795 f->frame_hdr->warp_motion && (mask[0] | mask[1]);
1796
1797 b->motion_mode = allow_warp ?
1798 dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
1799 ts->cdf.m.motion_mode[bs], 2) :
1800 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac, ts->cdf.m.obmc[bs]);
1801 if (b->motion_mode == MM_WARP) {
1802 has_subpel_filter = 0;
1803 derive_warpmv(t, bw4, bh4, mask, b->mv[0], &t->warpmv);
1804#define signabs(v) v < 0 ? '-' : ' ', abs(v)
1805 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1806 printf("[ %c%x %c%x %c%x\n %c%x %c%x %c%x ]\n"
1807 "alpha=%c%x, beta=%c%x, gamma=%c%x, delta=%c%x, "
1808 "mv=y:%d,x:%d\n",
1809 signabs(t->warpmv.matrix[0]),
1810 signabs(t->warpmv.matrix[1]),
1811 signabs(t->warpmv.matrix[2]),
1812 signabs(t->warpmv.matrix[3]),
1813 signabs(t->warpmv.matrix[4]),
1814 signabs(t->warpmv.matrix[5]),
1815 signabs(t->warpmv.u.p.alpha),
1816 signabs(t->warpmv.u.p.beta),
1817 signabs(t->warpmv.u.p.gamma),
1818 signabs(t->warpmv.u.p.delta),
1819 b->mv[0].y, b->mv[0].x);
1820#undef signabs
1821 if (t->frame_thread.pass) {
1822 if (t->warpmv.type == DAV1D_WM_TYPE_AFFINE) {
1823 b->matrix[0] = t->warpmv.matrix[2] - 0x10000;
1824 b->matrix[1] = t->warpmv.matrix[3];
1825 b->matrix[2] = t->warpmv.matrix[4];
1826 b->matrix[3] = t->warpmv.matrix[5] - 0x10000;
1827 } else {
1828 b->matrix[0] = INT16_MIN(-32767-1);
1829 }
1830 }
1831 }
1832
1833 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1834 printf("Post-motionmode[%d]: r=%d [mask: 0x%" PRIx64"l" "x" "/0x%"
1835 PRIx64"l" "x" "]\n", b->motion_mode, ts->msac.rng, mask[0],
1836 mask[1]);
1837 } else {
1838 b->motion_mode = MM_TRANSLATION;
1839 }
1840 }
1841
1842 // subpel filter
1843 enum Dav1dFilterMode filter[2];
1844 if (f->frame_hdr->subpel_filter_mode == DAV1D_FILTER_SWITCHABLE) {
1845 if (has_subpel_filter) {
1846 const int comp = b->comp_type != COMP_INTER_NONE;
1847 const int ctx1 = get_filter_ctx(t->a, &t->l, comp, 0, b->ref[0],
1848 by4, bx4);
1849 filter[0] = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
1850 ts->cdf.m.filter[0][ctx1],
1851 DAV1D_N_SWITCHABLE_FILTERS - 1);
1852 if (f->seq_hdr->dual_filter) {
1853 const int ctx2 = get_filter_ctx(t->a, &t->l, comp, 1,
1854 b->ref[0], by4, bx4);
1855 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1856 printf("Post-subpel_filter1[%d,ctx=%d]: r=%d\n",
1857 filter[0], ctx1, ts->msac.rng);
1858 filter[1] = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
1859 ts->cdf.m.filter[1][ctx2],
1860 DAV1D_N_SWITCHABLE_FILTERS - 1);
1861 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1862 printf("Post-subpel_filter2[%d,ctx=%d]: r=%d\n",
1863 filter[1], ctx2, ts->msac.rng);
1864 } else {
1865 filter[1] = filter[0];
1866 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
1867 printf("Post-subpel_filter[%d,ctx=%d]: r=%d\n",
1868 filter[0], ctx1, ts->msac.rng);
1869 }
1870 } else {
1871 filter[0] = filter[1] = DAV1D_FILTER_8TAP_REGULAR;
1872 }
1873 } else {
1874 filter[0] = filter[1] = f->frame_hdr->subpel_filter_mode;
1875 }
1876 b->filter2d = dav1d_filter_2d[filter[1]][filter[0]];
1877
1878 read_vartx_tree(t, b, bs, bx4, by4);
1879
1880 // reconstruction
1881 if (t->frame_thread.pass == 1) {
1882 f->bd_fn.read_coef_blocks(t, bs, b);
1883 } else {
1884 if (f->bd_fn.recon_b_inter(t, bs, b)) return -1;
1885 }
1886
1887 if (f->frame_hdr->loopfilter.level_y[0] ||
1888 f->frame_hdr->loopfilter.level_y[1])
1889 {
1890 const int is_globalmv =
1891 b->inter_mode == (is_comp ? GLOBALMV_GLOBALMV : GLOBALMV);
1892 const uint8_t (*const lf_lvls)[8][2] = (const uint8_t (*)[8][2])
1893 &ts->lflvl[b->seg_id][0][b->ref[0] + 1][!is_globalmv];
1894 const uint16_t tx_split[2] = { b->tx_split0, b->tx_split1 };
1895 enum RectTxfmSize ytx = b->max_ytx, uvtx = b->uvtx;
1896 if (f->frame_hdr->segmentation.lossless[b->seg_id]) {
1897 ytx = (enum RectTxfmSize) TX_4X4;
1898 uvtx = (enum RectTxfmSize) TX_4X4;
1899 }
1900 dav1d_create_lf_mask_inter(t->lf_mask, f->lf.level, f->b4_stride, lf_lvls,
1901 t->bx, t->by, f->w4, f->h4, b->skip, bs,
1902 ytx, tx_split, uvtx, f->cur.p.layout,
1903 &t->a->tx_lpf_y[bx4], &t->l.tx_lpf_y[by4],
1904 has_chroma ? &t->a->tx_lpf_uv[cbx4] : NULL((void*)0),
1905 has_chroma ? &t->l.tx_lpf_uv[cby4] : NULL((void*)0));
1906 }
1907
1908 // context updates
1909 if (is_comp)
1910 splat_tworef_mv(f->c, t, bs, b, bw4, bh4);
1911 else
1912 splat_oneref_mv(f->c, t, bs, b, bw4, bh4);
1913 BlockContext *edge = t->a;
1914 for (int i = 0, off = bx4; i < 2; i++, off = by4, edge = &t->l) {
1915#define set_ctx(rep_macro) \
1916 rep_macro(edge->seg_pred, off, seg_pred); \
1917 rep_macro(edge->skip_mode, off, b->skip_mode); \
1918 rep_macro(edge->intra, off, 0); \
1919 rep_macro(edge->skip, off, b->skip); \
1920 rep_macro(edge->pal_sz, off, 0); \
1921 /* see aomedia bug 2183 for why this is outside if (has_chroma) */ \
1922 rep_macro(t->pal_sz_uv[i], off, 0); \
1923 rep_macro(edge->tx_intra, off, b_dim[2 + i]); \
1924 rep_macro(edge->comp_type, off, b->comp_type); \
1925 rep_macro(edge->filter[0], off, filter[0]); \
1926 rep_macro(edge->filter[1], off, filter[1]); \
1927 rep_macro(edge->mode, off, b->inter_mode); \
1928 rep_macro(edge->ref[0], off, b->ref[0]); \
1929 rep_macro(edge->ref[1], off, ((uint8_t) b->ref[1]))
1930 case_set(b_dim[2 + i])switch (b_dim[2 + i]) { case 0: set_ctx(set_ctx1); break; case
1: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break
; case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16
); break; case 5: set_ctx(set_ctx32); break; default: ((void)
sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 1930
, __extension__ __PRETTY_FUNCTION__); })); }
;
1931#undef set_ctx
1932 }
1933 if (has_chroma) {
1934 dav1d_memset_pow2[ulog2(cbw4)](&t->a->uvmode[cbx4], DC_PRED);
1935 dav1d_memset_pow2[ulog2(cbh4)](&t->l.uvmode[cby4], DC_PRED);
1936 }
1937 }
1938
1939 // update contexts
1940 if (f->frame_hdr->segmentation.enabled &&
1941 f->frame_hdr->segmentation.update_map)
1942 {
1943 uint8_t *seg_ptr = &f->cur_segmap[t->by * f->b4_stride + t->bx];
1944#define set_ctx(rep_macro) \
1945 for (int y = 0; y < bh4; y++) { \
1946 rep_macro(seg_ptr, 0, b->seg_id); \
1947 seg_ptr += f->b4_stride; \
1948 }
1949 case_set(b_dim[2])switch (b_dim[2]) { case 0: set_ctx(set_ctx1); break; case 1:
set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break; case
3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16); break
; case 5: set_ctx(set_ctx32); break; default: ((void) sizeof (
(0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 1949,
__extension__ __PRETTY_FUNCTION__); })); }
;
1950#undef set_ctx
1951 }
1952 if (!b->skip) {
1953 uint16_t (*noskip_mask)[2] = &t->lf_mask->noskip_mask[by4 >> 1];
1954 const unsigned mask = (~0U >> (32 - bw4)) << (bx4 & 15);
1955 const int bx_idx = (bx4 & 16) >> 4;
1956 for (int y = 0; y < bh4; y += 2, noskip_mask++) {
1957 (*noskip_mask)[bx_idx] |= mask;
1958 if (bw4 == 32) // this should be mask >> 16, but it's 0xffffffff anyway
1959 (*noskip_mask)[1] |= mask;
1960 }
1961 }
1962
1963 if (t->frame_thread.pass == 1 && !b->intra && IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
1964 const int sby = (t->by - ts->tiling.row_start) >> f->sb_shift;
1965 int (*const lowest_px)[2] = ts->lowest_pixel[sby];
1966
1967 // keep track of motion vectors for each reference
1968 if (b->comp_type == COMP_INTER_NONE) {
1969 // y
1970 if (imin(bw4, bh4) > 1 &&
1971 ((b->inter_mode == GLOBALMV && f->gmv_warp_allowed[b->ref[0]]) ||
1972 (b->motion_mode == MM_WARP && t->warpmv.type > DAV1D_WM_TYPE_TRANSLATION)))
1973 {
1974 affine_lowest_px_luma(t, &lowest_px[b->ref[0]][0], b_dim,
1975 b->motion_mode == MM_WARP ? &t->warpmv :
1976 &f->frame_hdr->gmv[b->ref[0]]);
1977 } else {
1978 mc_lowest_px(&lowest_px[b->ref[0]][0], t->by, bh4, b->mv[0].y,
1979 0, &f->svc[b->ref[0]][1]);
1980 if (b->motion_mode == MM_OBMC) {
1981 obmc_lowest_px(t, lowest_px, 0, b_dim, bx4, by4, w4, h4);
1982 }
1983 }
1984
1985 // uv
1986 if (has_chroma) {
1987 // sub8x8 derivation
1988 int is_sub8x8 = bw4 == ss_hor || bh4 == ss_ver;
1989 refmvs_block *const *r;
1990 if (is_sub8x8) {
1991 assert(ss_hor == 1)((void) sizeof ((ss_hor == 1) ? 1 : 0), __extension__ ({ if (
ss_hor == 1) ; else __assert_fail ("ss_hor == 1", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 1991, __extension__ __PRETTY_FUNCTION__); }))
;
1992 r = &t->rt.r[(t->by & 31) + 5];
1993 if (bw4 == 1) is_sub8x8 &= r[0][t->bx - 1].ref.ref[0] > 0;
1994 if (bh4 == ss_ver) is_sub8x8 &= r[-1][t->bx].ref.ref[0] > 0;
1995 if (bw4 == 1 && bh4 == ss_ver)
1996 is_sub8x8 &= r[-1][t->bx - 1].ref.ref[0] > 0;
1997 }
1998
1999 // chroma prediction
2000 if (is_sub8x8) {
2001 assert(ss_hor == 1)((void) sizeof ((ss_hor == 1) ? 1 : 0), __extension__ ({ if (
ss_hor == 1) ; else __assert_fail ("ss_hor == 1", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2001, __extension__ __PRETTY_FUNCTION__); }))
;
2002 if (bw4 == 1 && bh4 == ss_ver) {
2003 const refmvs_block *const rr = &r[-1][t->bx - 1];
2004 mc_lowest_px(&lowest_px[rr->ref.ref[0] - 1][1],
2005 t->by - 1, bh4, rr->mv.mv[0].y, ss_ver,
2006 &f->svc[rr->ref.ref[0] - 1][1]);
2007 }
2008 if (bw4 == 1) {
2009 const refmvs_block *const rr = &r[0][t->bx - 1];
2010 mc_lowest_px(&lowest_px[rr->ref.ref[0] - 1][1],
2011 t->by, bh4, rr->mv.mv[0].y, ss_ver,
2012 &f->svc[rr->ref.ref[0] - 1][1]);
2013 }
2014 if (bh4 == ss_ver) {
2015 const refmvs_block *const rr = &r[-1][t->bx];
2016 mc_lowest_px(&lowest_px[rr->ref.ref[0] - 1][1],
2017 t->by - 1, bh4, rr->mv.mv[0].y, ss_ver,
2018 &f->svc[rr->ref.ref[0] - 1][1]);
2019 }
2020 mc_lowest_px(&lowest_px[b->ref[0]][1], t->by, bh4,
2021 b->mv[0].y, ss_ver, &f->svc[b->ref[0]][1]);
2022 } else {
2023 if (imin(cbw4, cbh4) > 1 &&
2024 ((b->inter_mode == GLOBALMV && f->gmv_warp_allowed[b->ref[0]]) ||
2025 (b->motion_mode == MM_WARP && t->warpmv.type > DAV1D_WM_TYPE_TRANSLATION)))
2026 {
2027 affine_lowest_px_chroma(t, &lowest_px[b->ref[0]][1], b_dim,
2028 b->motion_mode == MM_WARP ? &t->warpmv :
2029 &f->frame_hdr->gmv[b->ref[0]]);
2030 } else {
2031 mc_lowest_px(&lowest_px[b->ref[0]][1],
2032 t->by & ~ss_ver, bh4 << (bh4 == ss_ver),
2033 b->mv[0].y, ss_ver, &f->svc[b->ref[0]][1]);
2034 if (b->motion_mode == MM_OBMC) {
2035 obmc_lowest_px(t, lowest_px, 1, b_dim, bx4, by4, w4, h4);
2036 }
2037 }
2038 }
2039 }
2040 } else {
2041 // y
2042 for (int i = 0; i < 2; i++) {
2043 if (b->inter_mode == GLOBALMV_GLOBALMV && f->gmv_warp_allowed[b->ref[i]]) {
2044 affine_lowest_px_luma(t, &lowest_px[b->ref[i]][0], b_dim,
2045 &f->frame_hdr->gmv[b->ref[i]]);
2046 } else {
2047 mc_lowest_px(&lowest_px[b->ref[i]][0], t->by, bh4,
2048 b->mv[i].y, 0, &f->svc[b->ref[i]][1]);
2049 }
2050 }
2051
2052 // uv
2053 if (has_chroma) for (int i = 0; i < 2; i++) {
2054 if (b->inter_mode == GLOBALMV_GLOBALMV &&
2055 imin(cbw4, cbh4) > 1 && f->gmv_warp_allowed[b->ref[i]])
2056 {
2057 affine_lowest_px_chroma(t, &lowest_px[b->ref[i]][1], b_dim,
2058 &f->frame_hdr->gmv[b->ref[i]]);
2059 } else {
2060 mc_lowest_px(&lowest_px[b->ref[i]][1], t->by, bh4,
2061 b->mv[i].y, ss_ver, &f->svc[b->ref[i]][1]);
2062 }
2063 }
2064 }
2065 }
2066
2067 return 0;
2068}
2069
2070#if __has_feature(memory_sanitizer)0
2071
2072#include <sanitizer/msan_interface.h>
2073
2074static int checked_decode_b(Dav1dTaskContext *const t,
2075 const enum BlockLevel bl,
2076 const enum BlockSize bs,
2077 const enum BlockPartition bp,
2078 const enum EdgeFlags intra_edge_flags)
2079{
2080 const Dav1dFrameContext *const f = t->f;
2081 const int err = decode_b(t, bl, bs, bp, intra_edge_flags);
2082
2083 if (err == 0 && !(t->frame_thread.pass & 1)) {
2084 const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
2085 const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
2086 const uint8_t *const b_dim = dav1d_block_dimensions[bs];
2087 const int bw4 = b_dim[0], bh4 = b_dim[1];
2088 const int w4 = imin(bw4, f->bw - t->bx), h4 = imin(bh4, f->bh - t->by);
2089 const int has_chroma = f->seq_hdr->layout != DAV1D_PIXEL_LAYOUT_I400 &&
2090 (bw4 > ss_hor || t->bx & 1) &&
2091 (bh4 > ss_ver || t->by & 1);
2092
2093 for (int p = 0; p < 1 + 2 * has_chroma; p++) {
2094 const int ss_ver = p && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
2095 const int ss_hor = p && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
2096 const ptrdiff_t stride = f->cur.stride[!!p];
2097 const int bx = t->bx & ~ss_hor;
2098 const int by = t->by & ~ss_ver;
2099 const int width = w4 << (2 - ss_hor + (bw4 == ss_hor));
2100 const int height = h4 << (2 - ss_ver + (bh4 == ss_ver));
2101
2102 const uint8_t *data = f->cur.data[p] + (by << (2 - ss_ver)) * stride +
2103 (bx << (2 - ss_hor + !!f->seq_hdr->hbd));
2104
2105 for (int y = 0; y < height; data += stride, y++) {
2106 const size_t line_sz = width << !!f->seq_hdr->hbd;
2107 if (__msan_test_shadow(data, line_sz) != -1) {
2108 fprintf(stderrstderr, "B[%d](%d, %d) w4:%d, h4:%d, row:%d\n",
2109 p, bx, by, w4, h4, y);
2110 __msan_check_mem_is_initialized(data, line_sz);
2111 }
2112 }
2113 }
2114 }
2115
2116 return err;
2117}
2118
2119#define decode_b checked_decode_b
2120
2121#endif /* defined(__has_feature) */
2122
2123static int decode_sb(Dav1dTaskContext *const t, const enum BlockLevel bl,
2124 const EdgeNode *const node)
2125{
2126 const Dav1dFrameContext *const f = t->f;
2127 Dav1dTileState *const ts = t->ts;
2128 const int hsz = 16 >> bl;
2129 const int have_h_split = f->bw > t->bx + hsz;
2130 const int have_v_split = f->bh > t->by + hsz;
2131
2132 if (!have_h_split && !have_v_split) {
2133 assert(bl < BL_8X8)((void) sizeof ((bl < BL_8X8) ? 1 : 0), __extension__ ({ if
(bl < BL_8X8) ; else __assert_fail ("bl < BL_8X8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2133, __extension__ __PRETTY_FUNCTION__); }))
;
2134 return decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 0)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[0]))
);
2135 }
2136
2137 uint16_t *pc;
2138 enum BlockPartition bp;
2139 int ctx, bx8, by8;
2140 if (t->frame_thread.pass != 2) {
2141 if (0 && bl == BL_64X64)
2142 printf("poc=%d,y=%d,x=%d,bl=%d,r=%d\n",
2143 f->frame_hdr->frame_offset, t->by, t->bx, bl, ts->msac.rng);
2144 bx8 = (t->bx & 31) >> 1;
2145 by8 = (t->by & 31) >> 1;
2146 ctx = get_partition_ctx(t->a, &t->l, bl, by8, bx8);
2147 pc = ts->cdf.m.partition[bl][ctx];
2148 }
2149
2150 if (have_h_split && have_v_split) {
2151 if (t->frame_thread.pass == 2) {
2152 const Av1Block *const b = &f->frame_thread.b[t->by * f->b4_stride + t->bx];
2153 bp = b->bl == bl ? b->bp : PARTITION_SPLIT;
2154 } else {
2155 bp = dav1d_msac_decode_symbol_adapt16(&ts->msac, pc,((&ts->msac)->symbol_adapt16(&ts->msac, pc, dav1d_partition_type_count
[bl]))
2156 dav1d_partition_type_count[bl])((&ts->msac)->symbol_adapt16(&ts->msac, pc, dav1d_partition_type_count
[bl]))
;
2157 if (f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I422 &&
2158 (bp == PARTITION_V || bp == PARTITION_V4 ||
2159 bp == PARTITION_T_LEFT_SPLIT || bp == PARTITION_T_RIGHT_SPLIT))
2160 {
2161 return 1;
2162 }
2163 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
2164 printf("poc=%d,y=%d,x=%d,bl=%d,ctx=%d,bp=%d: r=%d\n",
2165 f->frame_hdr->frame_offset, t->by, t->bx, bl, ctx, bp,
2166 ts->msac.rng);
2167 }
2168 const uint8_t *const b = dav1d_block_sizes[bl][bp];
2169
2170 switch (bp) {
2171 case PARTITION_NONE:
2172 if (decode_b(t, bl, b[0], PARTITION_NONE, node->o))
2173 return -1;
2174 break;
2175 case PARTITION_H:
2176 if (decode_b(t, bl, b[0], PARTITION_H, node->h[0]))
2177 return -1;
2178 t->by += hsz;
2179 if (decode_b(t, bl, b[0], PARTITION_H, node->h[1]))
2180 return -1;
2181 t->by -= hsz;
2182 break;
2183 case PARTITION_V:
2184 if (decode_b(t, bl, b[0], PARTITION_V, node->v[0]))
2185 return -1;
2186 t->bx += hsz;
2187 if (decode_b(t, bl, b[0], PARTITION_V, node->v[1]))
2188 return -1;
2189 t->bx -= hsz;
2190 break;
2191 case PARTITION_SPLIT:
2192 if (bl == BL_8X8) {
2193 const EdgeTip *const tip = (const EdgeTip *) node;
2194 assert(hsz == 1)((void) sizeof ((hsz == 1) ? 1 : 0), __extension__ ({ if (hsz
== 1) ; else __assert_fail ("hsz == 1", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2194, __extension__ __PRETTY_FUNCTION__); }))
;
2195 if (decode_b(t, bl, BS_4x4, PARTITION_SPLIT, EDGE_ALL_TR_AND_BL))
2196 return -1;
2197 const enum Filter2d tl_filter = t->tl_4x4_filter;
2198 t->bx++;
2199 if (decode_b(t, bl, BS_4x4, PARTITION_SPLIT, tip->split[0]))
2200 return -1;
2201 t->bx--;
2202 t->by++;
2203 if (decode_b(t, bl, BS_4x4, PARTITION_SPLIT, tip->split[1]))
2204 return -1;
2205 t->bx++;
2206 t->tl_4x4_filter = tl_filter;
2207 if (decode_b(t, bl, BS_4x4, PARTITION_SPLIT, tip->split[2]))
2208 return -1;
2209 t->bx--;
2210 t->by--;
2211#if ARCH_X86_641
2212 if (t->frame_thread.pass) {
2213 /* In 8-bit mode with 2-pass decoding the coefficient buffer
2214 * can end up misaligned due to skips here. Work around
2215 * the issue by explicitly realigning the buffer. */
2216 const int p = t->frame_thread.pass & 1;
2217 ts->frame_thread[p].cf =
2218 (void*)(((uintptr_t)ts->frame_thread[p].cf + 63) & ~63);
2219 }
2220#endif
2221 } else {
2222 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 0)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[0]))
))
2223 return 1;
2224 t->bx += hsz;
2225 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 1)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[1]))
))
2226 return 1;
2227 t->bx -= hsz;
2228 t->by += hsz;
2229 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 2)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[2]))
))
2230 return 1;
2231 t->bx += hsz;
2232 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 3)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[3]))
))
2233 return 1;
2234 t->bx -= hsz;
2235 t->by -= hsz;
2236 }
2237 break;
2238 case PARTITION_T_TOP_SPLIT: {
2239 if (decode_b(t, bl, b[0], PARTITION_T_TOP_SPLIT, EDGE_ALL_TR_AND_BL))
2240 return -1;
2241 t->bx += hsz;
2242 if (decode_b(t, bl, b[0], PARTITION_T_TOP_SPLIT, node->v[1]))
2243 return -1;
2244 t->bx -= hsz;
2245 t->by += hsz;
2246 if (decode_b(t, bl, b[1], PARTITION_T_TOP_SPLIT, node->h[1]))
2247 return -1;
2248 t->by -= hsz;
2249 break;
2250 }
2251 case PARTITION_T_BOTTOM_SPLIT: {
2252 if (decode_b(t, bl, b[0], PARTITION_T_BOTTOM_SPLIT, node->h[0]))
2253 return -1;
2254 t->by += hsz;
2255 if (decode_b(t, bl, b[1], PARTITION_T_BOTTOM_SPLIT, node->v[0]))
2256 return -1;
2257 t->bx += hsz;
2258 if (decode_b(t, bl, b[1], PARTITION_T_BOTTOM_SPLIT, 0))
2259 return -1;
2260 t->bx -= hsz;
2261 t->by -= hsz;
2262 break;
2263 }
2264 case PARTITION_T_LEFT_SPLIT: {
2265 if (decode_b(t, bl, b[0], PARTITION_T_LEFT_SPLIT, EDGE_ALL_TR_AND_BL))
2266 return -1;
2267 t->by += hsz;
2268 if (decode_b(t, bl, b[0], PARTITION_T_LEFT_SPLIT, node->h[1]))
2269 return -1;
2270 t->by -= hsz;
2271 t->bx += hsz;
2272 if (decode_b(t, bl, b[1], PARTITION_T_LEFT_SPLIT, node->v[1]))
2273 return -1;
2274 t->bx -= hsz;
2275 break;
2276 }
2277 case PARTITION_T_RIGHT_SPLIT: {
2278 if (decode_b(t, bl, b[0], PARTITION_T_RIGHT_SPLIT, node->v[0]))
2279 return -1;
2280 t->bx += hsz;
2281 if (decode_b(t, bl, b[1], PARTITION_T_RIGHT_SPLIT, node->h[0]))
2282 return -1;
2283 t->by += hsz;
2284 if (decode_b(t, bl, b[1], PARTITION_T_RIGHT_SPLIT, 0))
2285 return -1;
2286 t->by -= hsz;
2287 t->bx -= hsz;
2288 break;
2289 }
2290 case PARTITION_H4: {
2291 const EdgeBranch *const branch = (const EdgeBranch *) node;
2292 if (decode_b(t, bl, b[0], PARTITION_H4, node->h[0]))
2293 return -1;
2294 t->by += hsz >> 1;
2295 if (decode_b(t, bl, b[0], PARTITION_H4, branch->h4))
2296 return -1;
2297 t->by += hsz >> 1;
2298 if (decode_b(t, bl, b[0], PARTITION_H4, EDGE_ALL_LEFT_HAS_BOTTOM))
2299 return -1;
2300 t->by += hsz >> 1;
2301 if (t->by < f->bh)
2302 if (decode_b(t, bl, b[0], PARTITION_H4, node->h[1]))
2303 return -1;
2304 t->by -= hsz * 3 >> 1;
2305 break;
2306 }
2307 case PARTITION_V4: {
2308 const EdgeBranch *const branch = (const EdgeBranch *) node;
2309 if (decode_b(t, bl, b[0], PARTITION_V4, node->v[0]))
2310 return -1;
2311 t->bx += hsz >> 1;
2312 if (decode_b(t, bl, b[0], PARTITION_V4, branch->v4))
2313 return -1;
2314 t->bx += hsz >> 1;
2315 if (decode_b(t, bl, b[0], PARTITION_V4, EDGE_ALL_TOP_HAS_RIGHT))
2316 return -1;
2317 t->bx += hsz >> 1;
2318 if (t->bx < f->bw)
2319 if (decode_b(t, bl, b[0], PARTITION_V4, node->v[1]))
2320 return -1;
2321 t->bx -= hsz * 3 >> 1;
2322 break;
2323 }
2324 default: assert(0)((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail
("0", "/root/firefox-clang/third_party/dav1d/src/decode.c", 2324
, __extension__ __PRETTY_FUNCTION__); }))
;
2325 }
2326 } else if (have_h_split) {
2327 unsigned is_split;
2328 if (t->frame_thread.pass == 2) {
2329 const Av1Block *const b = &f->frame_thread.b[t->by * f->b4_stride + t->bx];
2330 is_split = b->bl != bl;
2331 } else {
2332 is_split = dav1d_msac_decode_booldav1d_msac_decode_bool_sse2(&ts->msac,
2333 gather_top_partition_prob(pc, bl));
2334 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
2335 printf("poc=%d,y=%d,x=%d,bl=%d,ctx=%d,bp=%d: r=%d\n",
2336 f->frame_hdr->frame_offset, t->by, t->bx, bl, ctx,
2337 is_split ? PARTITION_SPLIT : PARTITION_H, ts->msac.rng);
2338 }
2339
2340 assert(bl < BL_8X8)((void) sizeof ((bl < BL_8X8) ? 1 : 0), __extension__ ({ if
(bl < BL_8X8) ; else __assert_fail ("bl < BL_8X8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2340, __extension__ __PRETTY_FUNCTION__); }))
;
2341 if (is_split) {
2342 bp = PARTITION_SPLIT;
2343 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 0)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[0]))
)) return 1;
2344 t->bx += hsz;
2345 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 1)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[1]))
)) return 1;
2346 t->bx -= hsz;
2347 } else {
2348 bp = PARTITION_H;
2349 if (decode_b(t, bl, dav1d_block_sizes[bl][PARTITION_H][0],
2350 PARTITION_H, node->h[0]))
2351 return -1;
2352 }
2353 } else {
2354 assert(have_v_split)((void) sizeof ((have_v_split) ? 1 : 0), __extension__ ({ if (
have_v_split) ; else __assert_fail ("have_v_split", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2354, __extension__ __PRETTY_FUNCTION__); }))
;
2355 unsigned is_split;
2356 if (t->frame_thread.pass == 2) {
2357 const Av1Block *const b = &f->frame_thread.b[t->by * f->b4_stride + t->bx];
2358 is_split = b->bl != bl;
2359 } else {
2360 is_split = dav1d_msac_decode_booldav1d_msac_decode_bool_sse2(&ts->msac,
2361 gather_left_partition_prob(pc, bl));
2362 if (f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I422 && !is_split)
2363 return 1;
2364 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
2365 printf("poc=%d,y=%d,x=%d,bl=%d,ctx=%d,bp=%d: r=%d\n",
2366 f->frame_hdr->frame_offset, t->by, t->bx, bl, ctx,
2367 is_split ? PARTITION_SPLIT : PARTITION_V, ts->msac.rng);
2368 }
2369
2370 assert(bl < BL_8X8)((void) sizeof ((bl < BL_8X8) ? 1 : 0), __extension__ ({ if
(bl < BL_8X8) ; else __assert_fail ("bl < BL_8X8", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2370, __extension__ __PRETTY_FUNCTION__); }))
;
2371 if (is_split) {
2372 bp = PARTITION_SPLIT;
2373 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 0)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[0]))
)) return 1;
2374 t->by += hsz;
2375 if (decode_sb(t, bl + 1, INTRA_EDGE_SPLIT(node, 2)((const EdgeNode*)((uintptr_t)(node) + ((const EdgeBranch*)(node
))->split_offset[2]))
)) return 1;
2376 t->by -= hsz;
2377 } else {
2378 bp = PARTITION_V;
2379 if (decode_b(t, bl, dav1d_block_sizes[bl][PARTITION_V][0],
2380 PARTITION_V, node->v[0]))
2381 return -1;
2382 }
2383 }
2384
2385 if (t->frame_thread.pass != 2 && (bp != PARTITION_SPLIT || bl == BL_8X8)) {
2386#define set_ctx(rep_macro) \
2387 rep_macro(t->a->partition, bx8, dav1d_al_part_ctx[0][bl][bp]); \
2388 rep_macro(t->l.partition, by8, dav1d_al_part_ctx[1][bl][bp])
2389 case_set_upto16(ulog2(hsz))switch (ulog2(hsz)) { case 0: set_ctx(set_ctx1); break; case 1
: set_ctx(set_ctx2); break; case 2: set_ctx(set_ctx4); break;
case 3: set_ctx(set_ctx8); break; case 4: set_ctx(set_ctx16)
; break; default: ((void) sizeof ((0) ? 1 : 0), __extension__
({ if (0) ; else __assert_fail ("0", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2389, __extension__ __PRETTY_FUNCTION__); })); }
;
2390#undef set_ctx
2391 }
2392
2393 return 0;
2394}
2395
2396static void reset_context(BlockContext *const ctx, const int keyframe, const int pass) {
2397 memset(ctx->intra, keyframe, sizeof(ctx->intra));
2398 memset(ctx->uvmode, DC_PRED, sizeof(ctx->uvmode));
2399 if (keyframe)
2400 memset(ctx->mode, DC_PRED, sizeof(ctx->mode));
2401
2402 if (pass == 2) return;
2403
2404 memset(ctx->partition, 0, sizeof(ctx->partition));
2405 memset(ctx->skip, 0, sizeof(ctx->skip));
2406 memset(ctx->skip_mode, 0, sizeof(ctx->skip_mode));
2407 memset(ctx->tx_lpf_y, 2, sizeof(ctx->tx_lpf_y));
2408 memset(ctx->tx_lpf_uv, 1, sizeof(ctx->tx_lpf_uv));
2409 memset(ctx->tx_intra, -1, sizeof(ctx->tx_intra));
2410 memset(ctx->tx, TX_64X64, sizeof(ctx->tx));
2411 if (!keyframe) {
2412 memset(ctx->ref, -1, sizeof(ctx->ref));
2413 memset(ctx->comp_type, 0, sizeof(ctx->comp_type));
2414 memset(ctx->mode, NEARESTMV, sizeof(ctx->mode));
2415 }
2416 memset(ctx->lcoef, 0x40, sizeof(ctx->lcoef));
2417 memset(ctx->ccoef, 0x40, sizeof(ctx->ccoef));
2418 memset(ctx->filter, DAV1D_N_SWITCHABLE_FILTERS, sizeof(ctx->filter));
2419 memset(ctx->seg_pred, 0, sizeof(ctx->seg_pred));
2420 memset(ctx->pal_sz, 0, sizeof(ctx->pal_sz));
2421}
2422
2423// { Y+U+V, Y+U } * 4
2424static const uint8_t ss_size_mul[4][2] = {
2425 [DAV1D_PIXEL_LAYOUT_I400] = { 4, 4 },
2426 [DAV1D_PIXEL_LAYOUT_I420] = { 6, 5 },
2427 [DAV1D_PIXEL_LAYOUT_I422] = { 8, 6 },
2428 [DAV1D_PIXEL_LAYOUT_I444] = { 12, 8 },
2429};
2430
2431static void setup_tile(Dav1dTileState *const ts,
2432 const Dav1dFrameContext *const f,
2433 const uint8_t *const data, const size_t sz,
2434 const int tile_row, const int tile_col,
2435 const unsigned tile_start_off)
2436{
2437 const int col_sb_start = f->frame_hdr->tiling.col_start_sb[tile_col];
2438 const int col_sb128_start = col_sb_start >> !f->seq_hdr->sb128;
2439 const int col_sb_end = f->frame_hdr->tiling.col_start_sb[tile_col + 1];
2440 const int row_sb_start = f->frame_hdr->tiling.row_start_sb[tile_row];
2441 const int row_sb_end = f->frame_hdr->tiling.row_start_sb[tile_row + 1];
2442 const int sb_shift = f->sb_shift;
2443
2444 const uint8_t *const size_mul = ss_size_mul[f->cur.p.layout];
2445 for (int p = 0; p < 2; p++) {
2446 ts->frame_thread[p].pal_idx = f->frame_thread.pal_idx ?
2447 &f->frame_thread.pal_idx[(size_t)tile_start_off * size_mul[1] / 8] :
2448 NULL((void*)0);
2449 ts->frame_thread[p].cbi = f->frame_thread.cbi ?
2450 &f->frame_thread.cbi[(size_t)tile_start_off * size_mul[0] / 64] :
2451 NULL((void*)0);
2452 ts->frame_thread[p].cf = f->frame_thread.cf ?
2453 (uint8_t*)f->frame_thread.cf +
2454 (((size_t)tile_start_off * size_mul[0]) >> !f->seq_hdr->hbd) :
2455 NULL((void*)0);
2456 }
2457
2458 dav1d_cdf_thread_copy(&ts->cdf, &f->in_cdf);
2459 ts->last_qidx = f->frame_hdr->quant.yac;
2460 ts->last_delta_lf.u32 = 0;
2461
2462 dav1d_msac_init(&ts->msac, data, sz, f->frame_hdr->disable_cdf_update);
2463
2464 ts->tiling.row = tile_row;
2465 ts->tiling.col = tile_col;
2466 ts->tiling.col_start = col_sb_start << sb_shift;
2467 ts->tiling.col_end = imin(col_sb_end << sb_shift, f->bw);
2468 ts->tiling.row_start = row_sb_start << sb_shift;
2469 ts->tiling.row_end = imin(row_sb_end << sb_shift, f->bh);
2470
2471 // Reference Restoration Unit (used for exp coding)
2472 int sb_idx, unit_idx;
2473 if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) {
2474 // vertical components only
2475 sb_idx = (ts->tiling.row_start >> 5) * f->sr_sb128w;
2476 unit_idx = (ts->tiling.row_start & 16) >> 3;
2477 } else {
2478 sb_idx = (ts->tiling.row_start >> 5) * f->sb128w + col_sb128_start;
2479 unit_idx = ((ts->tiling.row_start & 16) >> 3) +
2480 ((ts->tiling.col_start & 16) >> 4);
2481 }
2482 for (int p = 0; p < 3; p++) {
2483 if (!((f->lf.restore_planes >> p) & 1U))
2484 continue;
2485
2486 if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) {
2487 const int ss_hor = p && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
2488 const int d = f->frame_hdr->super_res.width_scale_denominator;
2489 const int unit_size_log2 = f->frame_hdr->restoration.unit_size[!!p];
2490 const int rnd = (8 << unit_size_log2) - 1, shift = unit_size_log2 + 3;
2491 const int x = ((4 * ts->tiling.col_start * d >> ss_hor) + rnd) >> shift;
2492 const int px_x = x << (unit_size_log2 + ss_hor);
2493 const int u_idx = unit_idx + ((px_x & 64) >> 6);
2494 const int sb128x = px_x >> 7;
2495 if (sb128x >= f->sr_sb128w) continue;
2496 ts->lr_ref[p] = &f->lf.lr_mask[sb_idx + sb128x].lr[p][u_idx];
2497 } else {
2498 ts->lr_ref[p] = &f->lf.lr_mask[sb_idx].lr[p][unit_idx];
2499 }
2500
2501 ts->lr_ref[p]->filter_v[0] = 3;
2502 ts->lr_ref[p]->filter_v[1] = -7;
2503 ts->lr_ref[p]->filter_v[2] = 15;
2504 ts->lr_ref[p]->filter_h[0] = 3;
2505 ts->lr_ref[p]->filter_h[1] = -7;
2506 ts->lr_ref[p]->filter_h[2] = 15;
2507 ts->lr_ref[p]->sgr_weights[0] = -32;
2508 ts->lr_ref[p]->sgr_weights[1] = 31;
2509 }
2510
2511 if (f->c->n_tc > 1) {
2512 for (int p = 0; p < 2; p++)
2513 atomic_init__c11_atomic_init(&ts->progress[p], row_sb_start);
2514 }
2515}
2516
2517static void read_restoration_info(Dav1dTaskContext *const t,
2518 Av1RestorationUnit *const lr, const int p,
2519 const enum Dav1dRestorationType frame_type)
2520{
2521 const Dav1dFrameContext *const f = t->f;
2522 Dav1dTileState *const ts = t->ts;
2523 const Av1RestorationUnit *const lr_ref = ts->lr_ref[p];
2524
2525 if (frame_type == DAV1D_RESTORATION_SWITCHABLE) {
2526 const int filter = dav1d_msac_decode_symbol_adapt4dav1d_msac_decode_symbol_adapt4_sse2(&ts->msac,
2527 ts->cdf.m.restore_switchable, 2);
2528 lr->type = filter + !!filter; /* NONE/WIENER/SGRPROJ */
2529 } else {
2530 const unsigned type =
2531 dav1d_msac_decode_bool_adaptdav1d_msac_decode_bool_adapt_sse2(&ts->msac,
2532 frame_type == DAV1D_RESTORATION_WIENER ?
2533 ts->cdf.m.restore_wiener : ts->cdf.m.restore_sgrproj);
2534 lr->type = type ? frame_type : DAV1D_RESTORATION_NONE;
2535 }
2536
2537 if (lr->type == DAV1D_RESTORATION_WIENER) {
2538 lr->filter_v[0] = p ? 0 :
2539 dav1d_msac_decode_subexp(&ts->msac,
2540 lr_ref->filter_v[0] + 5, 16, 1) - 5;
2541 lr->filter_v[1] =
2542 dav1d_msac_decode_subexp(&ts->msac,
2543 lr_ref->filter_v[1] + 23, 32, 2) - 23;
2544 lr->filter_v[2] =
2545 dav1d_msac_decode_subexp(&ts->msac,
2546 lr_ref->filter_v[2] + 17, 64, 3) - 17;
2547
2548 lr->filter_h[0] = p ? 0 :
2549 dav1d_msac_decode_subexp(&ts->msac,
2550 lr_ref->filter_h[0] + 5, 16, 1) - 5;
2551 lr->filter_h[1] =
2552 dav1d_msac_decode_subexp(&ts->msac,
2553 lr_ref->filter_h[1] + 23, 32, 2) - 23;
2554 lr->filter_h[2] =
2555 dav1d_msac_decode_subexp(&ts->msac,
2556 lr_ref->filter_h[2] + 17, 64, 3) - 17;
2557 memcpy(lr->sgr_weights, lr_ref->sgr_weights, sizeof(lr->sgr_weights));
2558 ts->lr_ref[p] = lr;
2559 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
2560 printf("Post-lr_wiener[pl=%d,v[%d,%d,%d],h[%d,%d,%d]]: r=%d\n",
2561 p, lr->filter_v[0], lr->filter_v[1],
2562 lr->filter_v[2], lr->filter_h[0],
2563 lr->filter_h[1], lr->filter_h[2], ts->msac.rng);
2564 } else if (lr->type == DAV1D_RESTORATION_SGRPROJ) {
2565 const unsigned idx = dav1d_msac_decode_bools(&ts->msac, 4);
2566 const uint16_t *const sgr_params = dav1d_sgr_params[idx];
2567 lr->type += idx;
2568 lr->sgr_weights[0] = sgr_params[0] ? dav1d_msac_decode_subexp(&ts->msac,
2569 lr_ref->sgr_weights[0] + 96, 128, 4) - 96 : 0;
2570 lr->sgr_weights[1] = sgr_params[1] ? dav1d_msac_decode_subexp(&ts->msac,
2571 lr_ref->sgr_weights[1] + 32, 128, 4) - 32 : 95;
2572 memcpy(lr->filter_v, lr_ref->filter_v, sizeof(lr->filter_v));
2573 memcpy(lr->filter_h, lr_ref->filter_h, sizeof(lr->filter_h));
2574 ts->lr_ref[p] = lr;
2575 if (DEBUG_BLOCK_INFO0 && f->frame_hdr->frame_offset == 2 &&
t->by >= 0 && t->by < 4 && t->
bx >= 8 && t->bx < 12
)
2576 printf("Post-lr_sgrproj[pl=%d,idx=%d,w[%d,%d]]: r=%d\n",
2577 p, idx, lr->sgr_weights[0],
2578 lr->sgr_weights[1], ts->msac.rng);
2579 }
2580}
2581
2582// modeled after the equivalent function in aomdec:decodeframe.c
2583static int check_trailing_bits_after_symbol_coder(const MsacContext *const msac) {
2584 // check marker bit (single 1), followed by zeroes
2585 const int n_bits = -(msac->cnt + 14);
2586 assert(n_bits <= 0)((void) sizeof ((n_bits <= 0) ? 1 : 0), __extension__ ({ if
(n_bits <= 0) ; else __assert_fail ("n_bits <= 0", "/root/firefox-clang/third_party/dav1d/src/decode.c"
, 2586, __extension__ __PRETTY_FUNCTION__); }))
; // this assumes we errored out when cnt <= -15 in caller
2587 const int n_bytes = (n_bits + 7) >> 3;
2588 const uint8_t *p = &msac->buf_pos[n_bytes];
2589 const int pattern = 128 >> ((n_bits - 1) & 7);
2590 if ((p[-1] & (2 * pattern - 1)) != pattern)
2591 return 1;
2592
2593 // check remainder zero bytes
2594 for (; p < msac->buf_end; p++)
2595 if (*p)
2596 return 1;
2597
2598 return 0;
2599}
2600
2601int dav1d_decode_tile_sbrow(Dav1dTaskContext *const t) {
2602 const Dav1dFrameContext *const f = t->f;
2603 const enum BlockLevel root_bl = f->seq_hdr->sb128 ? BL_128X128 : BL_64X64;
2604 Dav1dTileState *const ts = t->ts;
2605 const Dav1dContext *const c = f->c;
2606 const int sb_step = f->sb_step;
2607 const int tile_row = ts->tiling.row, tile_col = ts->tiling.col;
2608 const int col_sb_start = f->frame_hdr->tiling.col_start_sb[tile_col];
2609 const int col_sb128_start = col_sb_start >> !f->seq_hdr->sb128;
2610
2611 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) || f->frame_hdr->allow_intrabc) {
2612 dav1d_refmvs_tile_sbrow_init(&t->rt, &f->rf, ts->tiling.col_start,
2613 ts->tiling.col_end, ts->tiling.row_start,
2614 ts->tiling.row_end, t->by >> f->sb_shift,
2615 ts->tiling.row, t->frame_thread.pass);
2616 }
2617
2618 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) && c->n_fc > 1) {
2619 const int sby = (t->by - ts->tiling.row_start) >> f->sb_shift;
2620 int (*const lowest_px)[2] = ts->lowest_pixel[sby];
2621 for (int n = 0; n < 7; n++)
2622 for (int m = 0; m < 2; m++)
2623 lowest_px[n][m] = INT_MIN(-2147483647 -1);
2624 }
2625
2626 reset_context(&t->l, IS_KEY_OR_INTRA(f->frame_hdr)(!((f->frame_hdr)->frame_type & 1)), t->frame_thread.pass);
2627 if (t->frame_thread.pass == 2) {
2628 const int off_2pass = c->n_tc > 1 ? f->sb128w * f->frame_hdr->tiling.rows : 0;
2629 for (t->bx = ts->tiling.col_start,
2630 t->a = f->a + off_2pass + col_sb128_start + tile_row * f->sb128w;
2631 t->bx < ts->tiling.col_end; t->bx += sb_step)
2632 {
2633 if (atomic_load_explicit__c11_atomic_load(c->flush, memory_order_acquire))
2634 return 1;
2635 if (decode_sb(t, root_bl, dav1d_intra_edge_tree[root_bl]))
2636 return 1;
2637 if (t->bx & 16 || f->seq_hdr->sb128)
2638 t->a++;
2639 }
2640 f->bd_fn.backup_ipred_edge(t);
2641 return 0;
2642 }
2643
2644 if (f->c->n_tc > 1 && f->frame_hdr->use_ref_frame_mvs) {
2645 f->c->refmvs_dsp.load_tmvs(&f->rf, ts->tiling.row,
2646 ts->tiling.col_start >> 1, ts->tiling.col_end >> 1,
2647 t->by >> 1, (t->by + sb_step) >> 1);
2648 }
2649 memset(t->pal_sz_uv[1], 0, sizeof(*t->pal_sz_uv));
2650 const int sb128y = t->by >> 5;
2651 for (t->bx = ts->tiling.col_start, t->a = f->a + col_sb128_start + tile_row * f->sb128w,
2652 t->lf_mask = f->lf.mask + sb128y * f->sb128w + col_sb128_start;
2653 t->bx < ts->tiling.col_end; t->bx += sb_step)
2654 {
2655 if (atomic_load_explicit__c11_atomic_load(c->flush, memory_order_acquire))
2656 return 1;
2657 if (root_bl == BL_128X128) {
2658 t->cur_sb_cdef_idx_ptr = t->lf_mask->cdef_idx;
2659 t->cur_sb_cdef_idx_ptr[0] = -1;
2660 t->cur_sb_cdef_idx_ptr[1] = -1;
2661 t->cur_sb_cdef_idx_ptr[2] = -1;
2662 t->cur_sb_cdef_idx_ptr[3] = -1;
2663 } else {
2664 t->cur_sb_cdef_idx_ptr =
2665 &t->lf_mask->cdef_idx[((t->bx & 16) >> 4) +
2666 ((t->by & 16) >> 3)];
2667 t->cur_sb_cdef_idx_ptr[0] = -1;
2668 }
2669 // Restoration filter
2670 for (int p = 0; p < 3; p++) {
2671 if (!((f->lf.restore_planes >> p) & 1U))
2672 continue;
2673
2674 const int ss_ver = p && f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
2675 const int ss_hor = p && f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
2676 const int unit_size_log2 = f->frame_hdr->restoration.unit_size[!!p];
2677 const int y = t->by * 4 >> ss_ver;
2678 const int h = (f->cur.p.h + ss_ver) >> ss_ver;
2679
2680 const int unit_size = 1 << unit_size_log2;
2681 const unsigned mask = unit_size - 1;
2682 if (y & mask) continue;
2683 const int half_unit = unit_size >> 1;
2684 // Round half up at frame boundaries, if there's more than one
2685 // restoration unit
2686 if (y && y + half_unit > h) continue;
2687
2688 const enum Dav1dRestorationType frame_type = f->frame_hdr->restoration.type[p];
2689
2690 if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) {
2691 const int w = (f->sr_cur.p.p.w + ss_hor) >> ss_hor;
2692 const int n_units = imax(1, (w + half_unit) >> unit_size_log2);
2693
2694 const int d = f->frame_hdr->super_res.width_scale_denominator;
2695 const int rnd = unit_size * 8 - 1, shift = unit_size_log2 + 3;
2696 const int x0 = ((4 * t->bx * d >> ss_hor) + rnd) >> shift;
2697 const int x1 = ((4 * (t->bx + sb_step) * d >> ss_hor) + rnd) >> shift;
2698
2699 for (int x = x0; x < imin(x1, n_units); x++) {
2700 const int px_x = x << (unit_size_log2 + ss_hor);
2701 const int sb_idx = (t->by >> 5) * f->sr_sb128w + (px_x >> 7);
2702 const int unit_idx = ((t->by & 16) >> 3) + ((px_x & 64) >> 6);
2703 Av1RestorationUnit *const lr = &f->lf.lr_mask[sb_idx].lr[p][unit_idx];
2704
2705 read_restoration_info(t, lr, p, frame_type);
2706 }
2707 } else {
2708 const int x = 4 * t->bx >> ss_hor;
2709 if (x & mask) continue;
2710 const int w = (f->cur.p.w + ss_hor) >> ss_hor;
2711 // Round half up at frame boundaries, if there's more than one
2712 // restoration unit
2713 if (x && x + half_unit > w) continue;
2714 const int sb_idx = (t->by >> 5) * f->sr_sb128w + (t->bx >> 5);
2715 const int unit_idx = ((t->by & 16) >> 3) + ((t->bx & 16) >> 4);
2716 Av1RestorationUnit *const lr = &f->lf.lr_mask[sb_idx].lr[p][unit_idx];
2717
2718 read_restoration_info(t, lr, p, frame_type);
2719 }
2720 }
2721 if (decode_sb(t, root_bl, dav1d_intra_edge_tree[root_bl]))
2722 return 1;
2723 if (t->bx & 16 || f->seq_hdr->sb128) {
2724 t->a++;
2725 t->lf_mask++;
2726 }
2727 }
2728
2729 if (f->seq_hdr->ref_frame_mvs && f->c->n_tc > 1 && IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
2730 dav1d_refmvs_save_tmvs(&f->c->refmvs_dsp, &t->rt,
2731 ts->tiling.col_start >> 1, ts->tiling.col_end >> 1,
2732 t->by >> 1, (t->by + sb_step) >> 1);
2733 }
2734
2735 // backup pre-loopfilter pixels for intra prediction of the next sbrow
2736 if (t->frame_thread.pass != 1)
2737 f->bd_fn.backup_ipred_edge(t);
2738
2739 // backup t->a/l.tx_lpf_y/uv at tile boundaries to use them to "fix"
2740 // up the initial value in neighbour tiles when running the loopfilter
2741 int align_h = (f->bh + 31) & ~31;
2742 memcpy(&f->lf.tx_lpf_right_edge[0][align_h * tile_col + t->by],
2743 &t->l.tx_lpf_y[t->by & 16], sb_step);
2744 const int ss_ver = f->cur.p.layout == DAV1D_PIXEL_LAYOUT_I420;
2745 align_h >>= ss_ver;
2746 memcpy(&f->lf.tx_lpf_right_edge[1][align_h * tile_col + (t->by >> ss_ver)],
2747 &t->l.tx_lpf_uv[(t->by & 16) >> ss_ver], sb_step >> ss_ver);
2748
2749 // error out on symbol decoder overread
2750 if (ts->msac.cnt <= -15) return 1;
2751
2752 return c->strict_std_compliance &&
2753 (t->by >> f->sb_shift) + 1 >= f->frame_hdr->tiling.row_start_sb[tile_row + 1] &&
2754 check_trailing_bits_after_symbol_coder(&ts->msac);
2755}
2756
2757int dav1d_decode_frame_init(Dav1dFrameContext *const f) {
2758 const Dav1dContext *const c = f->c;
2759 int retval = DAV1D_ERR(ENOMEM)(-(12));
2760
2761 if (f->sbh > f->lf.start_of_tile_row_sz) {
2762 dav1d_free(f->lf.start_of_tile_row)free(f->lf.start_of_tile_row);
2763 f->lf.start_of_tile_row = dav1d_malloc(ALLOC_TILE, f->sbh * sizeof(uint8_t))malloc(f->sbh * sizeof(uint8_t));
2764 if (!f->lf.start_of_tile_row) {
2765 f->lf.start_of_tile_row_sz = 0;
2766 goto error;
2767 }
2768 f->lf.start_of_tile_row_sz = f->sbh;
2769 }
2770 int sby = 0;
2771 for (int tile_row = 0; tile_row < f->frame_hdr->tiling.rows; tile_row++) {
2772 f->lf.start_of_tile_row[sby++] = tile_row;
2773 while (sby < f->frame_hdr->tiling.row_start_sb[tile_row + 1])
2774 f->lf.start_of_tile_row[sby++] = 0;
2775 }
2776
2777 const int n_ts = f->frame_hdr->tiling.cols * f->frame_hdr->tiling.rows;
2778 if (n_ts != f->n_ts) {
2779 if (c->n_fc > 1) {
2780 dav1d_free(f->frame_thread.tile_start_off)free(f->frame_thread.tile_start_off);
2781 f->frame_thread.tile_start_off =
2782 dav1d_malloc(ALLOC_TILE, sizeof(*f->frame_thread.tile_start_off) * n_ts)malloc(sizeof(*f->frame_thread.tile_start_off) * n_ts);
2783 if (!f->frame_thread.tile_start_off) {
2784 f->n_ts = 0;
2785 goto error;
2786 }
2787 }
2788 dav1d_free_aligned(f->ts)dav1d_free_aligned_internal(f->ts);
2789 f->ts = dav1d_alloc_aligned(ALLOC_TILE, sizeof(*f->ts) * n_ts, 32)dav1d_alloc_aligned_internal(sizeof(*f->ts) * n_ts, 32);
2790 if (!f->ts) goto error;
2791 f->n_ts = n_ts;
2792 }
2793
2794 const int a_sz = f->sb128w * f->frame_hdr->tiling.rows * (1 + (c->n_fc > 1 && c->n_tc > 1));
2795 if (a_sz != f->a_sz) {
2796 dav1d_free(f->a)free(f->a);
2797 f->a = dav1d_malloc(ALLOC_TILE, sizeof(*f->a) * a_sz)malloc(sizeof(*f->a) * a_sz);
2798 if (!f->a) {
2799 f->a_sz = 0;
2800 goto error;
2801 }
2802 f->a_sz = a_sz;
2803 }
2804
2805 const int num_sb128 = f->sb128w * f->sb128h;
2806 const uint8_t *const size_mul = ss_size_mul[f->cur.p.layout];
2807 const int hbd = !!f->seq_hdr->hbd;
2808 if (c->n_fc > 1) {
2809 const unsigned sb_step4 = f->sb_step * 4;
2810 int tile_idx = 0;
2811 for (int tile_row = 0; tile_row < f->frame_hdr->tiling.rows; tile_row++) {
2812 const unsigned row_off = f->frame_hdr->tiling.row_start_sb[tile_row] *
2813 sb_step4 * f->sb128w * 128;
2814 const unsigned b_diff = (f->frame_hdr->tiling.row_start_sb[tile_row + 1] -
2815 f->frame_hdr->tiling.row_start_sb[tile_row]) * sb_step4;
2816 for (int tile_col = 0; tile_col < f->frame_hdr->tiling.cols; tile_col++) {
2817 f->frame_thread.tile_start_off[tile_idx++] = row_off + b_diff *
2818 f->frame_hdr->tiling.col_start_sb[tile_col] * sb_step4;
2819 }
2820 }
2821
2822 const int lowest_pixel_mem_sz = f->frame_hdr->tiling.cols * f->sbh;
2823 if (lowest_pixel_mem_sz != f->tile_thread.lowest_pixel_mem_sz) {
2824 dav1d_free(f->tile_thread.lowest_pixel_mem)free(f->tile_thread.lowest_pixel_mem);
2825 f->tile_thread.lowest_pixel_mem =
2826 dav1d_malloc(ALLOC_TILE, lowest_pixel_mem_sz *malloc(lowest_pixel_mem_sz * sizeof(*f->tile_thread.lowest_pixel_mem
))
2827 sizeof(*f->tile_thread.lowest_pixel_mem))malloc(lowest_pixel_mem_sz * sizeof(*f->tile_thread.lowest_pixel_mem
))
;
2828 if (!f->tile_thread.lowest_pixel_mem) {
2829 f->tile_thread.lowest_pixel_mem_sz = 0;
2830 goto error;
2831 }
2832 f->tile_thread.lowest_pixel_mem_sz = lowest_pixel_mem_sz;
2833 }
2834 int (*lowest_pixel_ptr)[7][2] = f->tile_thread.lowest_pixel_mem;
2835 for (int tile_row = 0, tile_row_base = 0; tile_row < f->frame_hdr->tiling.rows;
2836 tile_row++, tile_row_base += f->frame_hdr->tiling.cols)
2837 {
2838 const int tile_row_sb_h = f->frame_hdr->tiling.row_start_sb[tile_row + 1] -
2839 f->frame_hdr->tiling.row_start_sb[tile_row];
2840 for (int tile_col = 0; tile_col < f->frame_hdr->tiling.cols; tile_col++) {
2841 f->ts[tile_row_base + tile_col].lowest_pixel = lowest_pixel_ptr;
2842 lowest_pixel_ptr += tile_row_sb_h;
2843 }
2844 }
2845
2846 const int cbi_sz = num_sb128 * size_mul[0];
2847 if (cbi_sz != f->frame_thread.cbi_sz) {
2848 dav1d_free_aligned(f->frame_thread.cbi)dav1d_free_aligned_internal(f->frame_thread.cbi);
2849 f->frame_thread.cbi =
2850 dav1d_alloc_aligned(ALLOC_BLOCK, sizeof(*f->frame_thread.cbi) *dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.cbi) *
cbi_sz * 32 * 32 / 4, 64)
2851 cbi_sz * 32 * 32 / 4, 64)dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.cbi) *
cbi_sz * 32 * 32 / 4, 64)
;
2852 if (!f->frame_thread.cbi) {
2853 f->frame_thread.cbi_sz = 0;
2854 goto error;
2855 }
2856 f->frame_thread.cbi_sz = cbi_sz;
2857 }
2858
2859 const int cf_sz = (num_sb128 * size_mul[0]) << hbd;
2860 if (cf_sz != f->frame_thread.cf_sz) {
2861 dav1d_free_aligned(f->frame_thread.cf)dav1d_free_aligned_internal(f->frame_thread.cf);
2862 f->frame_thread.cf =
2863 dav1d_alloc_aligned(ALLOC_COEF, (size_t)cf_sz * 128 * 128 / 2, 64)dav1d_alloc_aligned_internal((size_t)cf_sz * 128 * 128 / 2, 64
)
;
2864 if (!f->frame_thread.cf) {
2865 f->frame_thread.cf_sz = 0;
2866 goto error;
2867 }
2868 memset(f->frame_thread.cf, 0, (size_t)cf_sz * 128 * 128 / 2);
2869 f->frame_thread.cf_sz = cf_sz;
2870 }
2871
2872 if (f->frame_hdr->allow_screen_content_tools) {
2873 const int pal_sz = num_sb128 << hbd;
2874 if (pal_sz != f->frame_thread.pal_sz) {
2875 dav1d_free_aligned(f->frame_thread.pal)dav1d_free_aligned_internal(f->frame_thread.pal);
2876 f->frame_thread.pal =
2877 dav1d_alloc_aligned(ALLOC_PAL, sizeof(*f->frame_thread.pal) *dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.pal) *
pal_sz * 16 * 16, 64)
2878 pal_sz * 16 * 16, 64)dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.pal) *
pal_sz * 16 * 16, 64)
;
2879 if (!f->frame_thread.pal) {
2880 f->frame_thread.pal_sz = 0;
2881 goto error;
2882 }
2883 f->frame_thread.pal_sz = pal_sz;
2884 }
2885
2886 const int pal_idx_sz = num_sb128 * size_mul[1];
2887 if (pal_idx_sz != f->frame_thread.pal_idx_sz) {
2888 dav1d_free_aligned(f->frame_thread.pal_idx)dav1d_free_aligned_internal(f->frame_thread.pal_idx);
2889 f->frame_thread.pal_idx =
2890 dav1d_alloc_aligned(ALLOC_PAL, sizeof(*f->frame_thread.pal_idx) *dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.pal_idx
) * pal_idx_sz * 128 * 128 / 8, 64)
2891 pal_idx_sz * 128 * 128 / 8, 64)dav1d_alloc_aligned_internal(sizeof(*f->frame_thread.pal_idx
) * pal_idx_sz * 128 * 128 / 8, 64)
;
2892 if (!f->frame_thread.pal_idx) {
2893 f->frame_thread.pal_idx_sz = 0;
2894 goto error;
2895 }
2896 f->frame_thread.pal_idx_sz = pal_idx_sz;
2897 }
2898 } else if (f->frame_thread.pal) {
2899 dav1d_freep_aligned(&f->frame_thread.pal);
2900 dav1d_freep_aligned(&f->frame_thread.pal_idx);
2901 f->frame_thread.pal_sz = f->frame_thread.pal_idx_sz = 0;
2902 }
2903 }
2904
2905 // update allocation of block contexts for above
2906 ptrdiff_t y_stride = f->cur.stride[0], uv_stride = f->cur.stride[1];
2907 const int has_resize = f->frame_hdr->width[0] != f->frame_hdr->width[1];
2908 const int need_cdef_lpf_copy = c->n_tc > 1 && has_resize;
2909 if (y_stride * f->sbh * 4 != f->lf.cdef_buf_plane_sz[0] ||
2910 uv_stride * f->sbh * 8 != f->lf.cdef_buf_plane_sz[1] ||
2911 need_cdef_lpf_copy != f->lf.need_cdef_lpf_copy ||
2912 f->sbh != f->lf.cdef_buf_sbh)
2913 {
2914 dav1d_free_aligned(f->lf.cdef_line_buf)dav1d_free_aligned_internal(f->lf.cdef_line_buf);
2915 size_t alloc_sz = 64;
2916 alloc_sz += (size_t)llabs(y_stride) * 4 * f->sbh << need_cdef_lpf_copy;
2917 alloc_sz += (size_t)llabs(uv_stride) * 8 * f->sbh << need_cdef_lpf_copy;
2918 uint8_t *ptr = f->lf.cdef_line_buf = dav1d_alloc_aligned(ALLOC_CDEF, alloc_sz, 32)dav1d_alloc_aligned_internal(alloc_sz, 32);
2919 if (!ptr) {
2920 f->lf.cdef_buf_plane_sz[0] = f->lf.cdef_buf_plane_sz[1] = 0;
2921 goto error;
2922 }
2923
2924 ptr += 32;
2925 if (y_stride < 0) {
2926 f->lf.cdef_line[0][0] = ptr - y_stride * (f->sbh * 4 - 1);
2927 f->lf.cdef_line[1][0] = ptr - y_stride * (f->sbh * 4 - 3);
2928 } else {
2929 f->lf.cdef_line[0][0] = ptr + y_stride * 0;
2930 f->lf.cdef_line[1][0] = ptr + y_stride * 2;
2931 }
2932 ptr += llabs(y_stride) * f->sbh * 4;
2933 if (uv_stride < 0) {
2934 f->lf.cdef_line[0][1] = ptr - uv_stride * (f->sbh * 8 - 1);
2935 f->lf.cdef_line[0][2] = ptr - uv_stride * (f->sbh * 8 - 3);
2936 f->lf.cdef_line[1][1] = ptr - uv_stride * (f->sbh * 8 - 5);
2937 f->lf.cdef_line[1][2] = ptr - uv_stride * (f->sbh * 8 - 7);
2938 } else {
2939 f->lf.cdef_line[0][1] = ptr + uv_stride * 0;
2940 f->lf.cdef_line[0][2] = ptr + uv_stride * 2;
2941 f->lf.cdef_line[1][1] = ptr + uv_stride * 4;
2942 f->lf.cdef_line[1][2] = ptr + uv_stride * 6;
2943 }
2944
2945 if (need_cdef_lpf_copy) {
2946 ptr += llabs(uv_stride) * f->sbh * 8;
2947 if (y_stride < 0)
2948 f->lf.cdef_lpf_line[0] = ptr - y_stride * (f->sbh * 4 - 1);
2949 else
2950 f->lf.cdef_lpf_line[0] = ptr;
2951 ptr += llabs(y_stride) * f->sbh * 4;
2952 if (uv_stride < 0) {
2953 f->lf.cdef_lpf_line[1] = ptr - uv_stride * (f->sbh * 4 - 1);
2954 f->lf.cdef_lpf_line[2] = ptr - uv_stride * (f->sbh * 8 - 1);
2955 } else {
2956 f->lf.cdef_lpf_line[1] = ptr;
2957 f->lf.cdef_lpf_line[2] = ptr + uv_stride * f->sbh * 4;
2958 }
2959 }
2960
2961 f->lf.cdef_buf_plane_sz[0] = (int) y_stride * f->sbh * 4;
2962 f->lf.cdef_buf_plane_sz[1] = (int) uv_stride * f->sbh * 8;
2963 f->lf.need_cdef_lpf_copy = need_cdef_lpf_copy;
2964 f->lf.cdef_buf_sbh = f->sbh;
2965 }
2966
2967 const int sb128 = f->seq_hdr->sb128;
2968 const int num_lines = c->n_tc > 1 ? f->sbh * 4 << sb128 : 12;
2969 y_stride = f->sr_cur.p.stride[0], uv_stride = f->sr_cur.p.stride[1];
2970 if (y_stride * num_lines != f->lf.lr_buf_plane_sz[0] ||
2971 uv_stride * num_lines * 2 != f->lf.lr_buf_plane_sz[1])
2972 {
2973 dav1d_free_aligned(f->lf.lr_line_buf)dav1d_free_aligned_internal(f->lf.lr_line_buf);
2974 // lr simd may overread the input, so slightly over-allocate the lpf buffer
2975 size_t alloc_sz = 128;
2976 alloc_sz += (size_t)llabs(y_stride) * num_lines;
2977 alloc_sz += (size_t)llabs(uv_stride) * num_lines * 2;
2978 uint8_t *ptr = f->lf.lr_line_buf = dav1d_alloc_aligned(ALLOC_LR, alloc_sz, 64)dav1d_alloc_aligned_internal(alloc_sz, 64);
2979 if (!ptr) {
2980 f->lf.lr_buf_plane_sz[0] = f->lf.lr_buf_plane_sz[1] = 0;
2981 goto error;
2982 }
2983
2984 ptr += 64;
2985 if (y_stride < 0)
2986 f->lf.lr_lpf_line[0] = ptr - y_stride * (num_lines - 1);
2987 else
2988 f->lf.lr_lpf_line[0] = ptr;
2989 ptr += llabs(y_stride) * num_lines;
2990 if (uv_stride < 0) {
2991 f->lf.lr_lpf_line[1] = ptr - uv_stride * (num_lines * 1 - 1);
2992 f->lf.lr_lpf_line[2] = ptr - uv_stride * (num_lines * 2 - 1);
2993 } else {
2994 f->lf.lr_lpf_line[1] = ptr;
2995 f->lf.lr_lpf_line[2] = ptr + uv_stride * num_lines;
2996 }
2997
2998 f->lf.lr_buf_plane_sz[0] = (int) y_stride * num_lines;
2999 f->lf.lr_buf_plane_sz[1] = (int) uv_stride * num_lines * 2;
3000 }
3001
3002 // update allocation for loopfilter masks
3003 if (num_sb128 != f->lf.mask_sz) {
3004 dav1d_free(f->lf.mask)free(f->lf.mask);
3005 dav1d_free(f->lf.level)free(f->lf.level);
3006 f->lf.mask = dav1d_malloc(ALLOC_LF, sizeof(*f->lf.mask) * num_sb128)malloc(sizeof(*f->lf.mask) * num_sb128);
3007 // over-allocate by 3 bytes since some of the SIMD implementations
3008 // index this from the level type and can thus over-read by up to 3
3009 f->lf.level = dav1d_malloc(ALLOC_LF, sizeof(*f->lf.level) * num_sb128 * 32 * 32 + 3)malloc(sizeof(*f->lf.level) * num_sb128 * 32 * 32 + 3);
3010 if (!f->lf.mask || !f->lf.level) {
3011 f->lf.mask_sz = 0;
3012 goto error;
3013 }
3014 if (c->n_fc > 1) {
3015 dav1d_free(f->frame_thread.b)free(f->frame_thread.b);
3016 f->frame_thread.b = dav1d_malloc(ALLOC_BLOCK, sizeof(*f->frame_thread.b) *malloc(sizeof(*f->frame_thread.b) * num_sb128 * 32 * 32)
3017 num_sb128 * 32 * 32)malloc(sizeof(*f->frame_thread.b) * num_sb128 * 32 * 32);
3018 if (!f->frame_thread.b) {
3019 f->lf.mask_sz = 0;
3020 goto error;
3021 }
3022 }
3023 f->lf.mask_sz = num_sb128;
3024 }
3025
3026 f->sr_sb128w = (f->sr_cur.p.p.w + 127) >> 7;
3027 const int lr_mask_sz = f->sr_sb128w * f->sb128h;
3028 if (lr_mask_sz != f->lf.lr_mask_sz) {
3029 dav1d_free(f->lf.lr_mask)free(f->lf.lr_mask);
3030 f->lf.lr_mask = dav1d_malloc(ALLOC_LR, sizeof(*f->lf.lr_mask) * lr_mask_sz)malloc(sizeof(*f->lf.lr_mask) * lr_mask_sz);
3031 if (!f->lf.lr_mask) {
3032 f->lf.lr_mask_sz = 0;
3033 goto error;
3034 }
3035 f->lf.lr_mask_sz = lr_mask_sz;
3036 }
3037 f->lf.restore_planes =
3038 ((f->frame_hdr->restoration.type[0] != DAV1D_RESTORATION_NONE) << 0) +
3039 ((f->frame_hdr->restoration.type[1] != DAV1D_RESTORATION_NONE) << 1) +
3040 ((f->frame_hdr->restoration.type[2] != DAV1D_RESTORATION_NONE) << 2);
3041 if (f->frame_hdr->loopfilter.sharpness != f->lf.last_sharpness) {
3042 dav1d_calc_eih(&f->lf.lim_lut, f->frame_hdr->loopfilter.sharpness);
3043 f->lf.last_sharpness = f->frame_hdr->loopfilter.sharpness;
3044 }
3045 dav1d_calc_lf_values(f->lf.lvl, f->frame_hdr, (int8_t[4]) { 0, 0, 0, 0 });
3046 memset(f->lf.mask, 0, sizeof(*f->lf.mask) * num_sb128);
3047
3048 const int ipred_edge_sz = f->sbh * f->sb128w << hbd;
3049 if (ipred_edge_sz != f->ipred_edge_sz) {
3050 dav1d_free_aligned(f->ipred_edge[0])dav1d_free_aligned_internal(f->ipred_edge[0]);
3051 uint8_t *ptr = f->ipred_edge[0] =
3052 dav1d_alloc_aligned(ALLOC_IPRED, ipred_edge_sz * 128 * 3, 64)dav1d_alloc_aligned_internal(ipred_edge_sz * 128 * 3, 64);
3053 if (!ptr) {
3054 f->ipred_edge_sz = 0;
3055 goto error;
3056 }
3057 f->ipred_edge[1] = ptr + ipred_edge_sz * 128 * 1;
3058 f->ipred_edge[2] = ptr + ipred_edge_sz * 128 * 2;
3059 f->ipred_edge_sz = ipred_edge_sz;
3060 }
3061
3062 const int re_sz = f->sb128h * f->frame_hdr->tiling.cols;
3063 if (re_sz != f->lf.re_sz) {
3064 dav1d_free(f->lf.tx_lpf_right_edge[0])free(f->lf.tx_lpf_right_edge[0]);
3065 f->lf.tx_lpf_right_edge[0] = dav1d_malloc(ALLOC_LF, re_sz * 32 * 2)malloc(re_sz * 32 * 2);
3066 if (!f->lf.tx_lpf_right_edge[0]) {
3067 f->lf.re_sz = 0;
3068 goto error;
3069 }
3070 f->lf.tx_lpf_right_edge[1] = f->lf.tx_lpf_right_edge[0] + re_sz * 32;
3071 f->lf.re_sz = re_sz;
3072 }
3073
3074 // init ref mvs
3075 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) || f->frame_hdr->allow_intrabc) {
3076 const int ret =
3077 dav1d_refmvs_init_frame(&f->rf, f->seq_hdr, f->frame_hdr,
3078 f->refpoc, f->mvs, f->refrefpoc, f->ref_mvs,
3079 f->c->n_tc, f->c->n_fc);
3080 if (ret < 0) goto error;
3081 }
3082
3083 // setup dequant tables
3084 init_quant_tables(f->seq_hdr, f->frame_hdr, f->frame_hdr->quant.yac, f->dq);
3085 if (f->frame_hdr->quant.qm)
3086 for (int i = 0; i < N_RECT_TX_SIZES; i++) {
3087 f->qm[i][0] = dav1d_qm_tbl[f->frame_hdr->quant.qm_y][0][i];
3088 f->qm[i][1] = dav1d_qm_tbl[f->frame_hdr->quant.qm_u][1][i];
3089 f->qm[i][2] = dav1d_qm_tbl[f->frame_hdr->quant.qm_v][1][i];
3090 }
3091 else
3092 memset(f->qm, 0, sizeof(f->qm));
3093
3094 // setup jnt_comp weights
3095 if (f->frame_hdr->switchable_comp_refs) {
3096 for (int i = 0; i < 7; i++) {
3097 const unsigned ref0poc = f->refp[i].p.frame_hdr->frame_offset;
3098
3099 for (int j = i + 1; j < 7; j++) {
3100 const unsigned ref1poc = f->refp[j].p.frame_hdr->frame_offset;
3101
3102 const unsigned d1 =
3103 imin(abs(get_poc_diff(f->seq_hdr->order_hint_n_bits, ref0poc,
3104 f->cur.frame_hdr->frame_offset)), 31);
3105 const unsigned d0 =
3106 imin(abs(get_poc_diff(f->seq_hdr->order_hint_n_bits, ref1poc,
3107 f->cur.frame_hdr->frame_offset)), 31);
3108 const int order = d0 <= d1;
3109
3110 static const uint8_t quant_dist_weight[3][2] = {
3111 { 2, 3 }, { 2, 5 }, { 2, 7 }
3112 };
3113 static const uint8_t quant_dist_lookup_table[4][2] = {
3114 { 9, 7 }, { 11, 5 }, { 12, 4 }, { 13, 3 }
3115 };
3116
3117 int k;
3118 for (k = 0; k < 3; k++) {
3119 const int c0 = quant_dist_weight[k][order];
3120 const int c1 = quant_dist_weight[k][!order];
3121 const int d0_c0 = d0 * c0;
3122 const int d1_c1 = d1 * c1;
3123 if ((d0 > d1 && d0_c0 < d1_c1) || (d0 <= d1 && d0_c0 > d1_c1)) break;
3124 }
3125
3126 f->jnt_weights[i][j] = quant_dist_lookup_table[k][order];
3127 }
3128 }
3129 }
3130
3131 /* Init loopfilter pointers. Increasing NULL pointers is technically UB,
3132 * so just point the chroma pointers in 4:0:0 to the luma plane here to
3133 * avoid having additional in-loop branches in various places. We never
3134 * dereference those pointers so it doesn't really matter what they
3135 * point at, as long as the pointers are valid. */
3136 const int has_chroma = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I400;
3137 f->lf.p[0] = f->cur.data[0];
3138 f->lf.p[1] = f->cur.data[has_chroma ? 1 : 0];
3139 f->lf.p[2] = f->cur.data[has_chroma ? 2 : 0];
3140 f->lf.sr_p[0] = f->sr_cur.p.data[0];
3141 f->lf.sr_p[1] = f->sr_cur.p.data[has_chroma ? 1 : 0];
3142 f->lf.sr_p[2] = f->sr_cur.p.data[has_chroma ? 2 : 0];
3143
3144 retval = 0;
3145error:
3146 return retval;
3147}
3148
3149int dav1d_decode_frame_init_cdf(Dav1dFrameContext *const f) {
3150 const Dav1dContext *const c = f->c;
3151 int retval = DAV1D_ERR(EINVAL)(-(22));
3152
3153 if (f->frame_hdr->refresh_context)
3154 dav1d_cdf_thread_copy(f->out_cdf.data.cdf, &f->in_cdf);
3155
3156 // parse individual tiles per tile group
3157 int tile_row = 0, tile_col = 0;
3158 f->task_thread.update_set = 0;
3159 for (int i = 0; i < f->n_tile_data; i++) {
3160 const uint8_t *data = f->tile[i].data.data;
3161 size_t size = f->tile[i].data.sz;
3162
3163 for (int j = f->tile[i].start; j <= f->tile[i].end; j++) {
3164 size_t tile_sz;
3165 if (j == f->tile[i].end) {
3166 tile_sz = size;
3167 } else {
3168 if (f->frame_hdr->tiling.n_bytes > size) goto error;
3169 tile_sz = 0;
3170 for (unsigned k = 0; k < f->frame_hdr->tiling.n_bytes; k++)
3171 tile_sz |= (unsigned)*data++ << (k * 8);
3172 tile_sz++;
3173 size -= f->frame_hdr->tiling.n_bytes;
3174 if (tile_sz > size) goto error;
3175 }
3176
3177 setup_tile(&f->ts[j], f, data, tile_sz, tile_row, tile_col++,
3178 c->n_fc > 1 ? f->frame_thread.tile_start_off[j] : 0);
3179
3180 if (tile_col == f->frame_hdr->tiling.cols) {
3181 tile_col = 0;
3182 tile_row++;
3183 }
3184 if (j == f->frame_hdr->tiling.update && f->frame_hdr->refresh_context)
3185 f->task_thread.update_set = 1;
3186 data += tile_sz;
3187 size -= tile_sz;
3188 }
3189 }
3190
3191 if (c->n_tc > 1) {
3192 const int uses_2pass = c->n_fc > 1;
3193 for (int n = 0; n < f->sb128w * f->frame_hdr->tiling.rows * (1 + uses_2pass); n++)
3194 reset_context(&f->a[n], IS_KEY_OR_INTRA(f->frame_hdr)(!((f->frame_hdr)->frame_type & 1)),
3195 uses_2pass ? 1 + (n >= f->sb128w * f->frame_hdr->tiling.rows) : 0);
3196 }
3197
3198 retval = 0;
3199error:
3200 return retval;
3201}
3202
3203int dav1d_decode_frame_main(Dav1dFrameContext *const f) {
3204 const Dav1dContext *const c = f->c;
3205 int retval = DAV1D_ERR(EINVAL)(-(22));
3206
3207 assert(f->c->n_tc == 1)((void) sizeof ((f->c->n_tc == 1) ? 1 : 0), __extension__
({ if (f->c->n_tc == 1) ; else __assert_fail ("f->c->n_tc == 1"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 3207,
__extension__ __PRETTY_FUNCTION__); }))
;
3208
3209 Dav1dTaskContext *const t = &c->tc[f - c->fc];
3210 t->f = f;
3211 t->frame_thread.pass = 0;
3212
3213 for (int n = 0; n < f->sb128w * f->frame_hdr->tiling.rows; n++)
3214 reset_context(&f->a[n], IS_KEY_OR_INTRA(f->frame_hdr)(!((f->frame_hdr)->frame_type & 1)), 0);
3215
3216 // no threading - we explicitly interleave tile/sbrow decoding
3217 // and post-filtering, so that the full process runs in-line
3218 for (int tile_row = 0; tile_row < f->frame_hdr->tiling.rows; tile_row++) {
3219 const int sbh_end =
3220 imin(f->frame_hdr->tiling.row_start_sb[tile_row + 1], f->sbh);
3221 for (int sby = f->frame_hdr->tiling.row_start_sb[tile_row];
3222 sby < sbh_end; sby++)
3223 {
3224 t->by = sby << (4 + f->seq_hdr->sb128);
3225 const int by_end = (t->by + f->sb_step) >> 1;
3226 if (f->frame_hdr->use_ref_frame_mvs) {
3227 f->c->refmvs_dsp.load_tmvs(&f->rf, tile_row,
3228 0, f->bw >> 1, t->by >> 1, by_end);
3229 }
3230 for (int tile_col = 0; tile_col < f->frame_hdr->tiling.cols; tile_col++) {
3231 t->ts = &f->ts[tile_row * f->frame_hdr->tiling.cols + tile_col];
3232 if (dav1d_decode_tile_sbrow(t)) goto error;
3233 }
3234 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
3235 dav1d_refmvs_save_tmvs(&f->c->refmvs_dsp, &t->rt,
3236 0, f->bw >> 1, t->by >> 1, by_end);
3237 }
3238
3239 // loopfilter + cdef + restoration
3240 f->bd_fn.filter_sbrow(f, sby);
3241 }
3242 }
3243
3244 retval = 0;
3245error:
3246 return retval;
3247}
3248
3249void dav1d_decode_frame_exit(Dav1dFrameContext *const f, int retval) {
3250 const Dav1dContext *const c = f->c;
3251
3252 if (f->sr_cur.p.data[0])
3253 atomic_init__c11_atomic_init(&f->task_thread.error, 0);
3254
3255 if (c->n_fc > 1 && retval && f->frame_thread.cf) {
3256 memset(f->frame_thread.cf, 0,
3257 (size_t)f->frame_thread.cf_sz * 128 * 128 / 2);
3258 }
3259 for (int i = 0; i < 7; i++) {
3260 if (f->refp[i].p.frame_hdr) {
3261 if (!retval && c->n_fc > 1 && c->strict_std_compliance &&
3262 atomic_load(&f->refp[i].progress[1])__c11_atomic_load(&f->refp[i].progress[1], 5) == FRAME_ERROR((2147483647 *2U +1U) - 1))
3263 {
3264 retval = DAV1D_ERR(EINVAL)(-(22));
3265 atomic_store(&f->task_thread.error, 1)__c11_atomic_store(&f->task_thread.error, 1, 5);
3266 atomic_store(&f->sr_cur.progress[1], FRAME_ERROR)__c11_atomic_store(&f->sr_cur.progress[1], ((2147483647
*2U +1U) - 1), 5)
;
3267 }
3268 dav1d_thread_picture_unref(&f->refp[i]);
3269 }
3270 dav1d_ref_dec(&f->ref_mvs_ref[i]);
3271 }
3272
3273 dav1d_picture_unref_internal(&f->cur);
3274 dav1d_thread_picture_unref(&f->sr_cur);
3275 dav1d_cdf_thread_unref(&f->in_cdf);
3276 if (f->frame_hdr && f->frame_hdr->refresh_context) {
3277 if (f->out_cdf.progress)
3278 atomic_store(f->out_cdf.progress, retval == 0 ? 1 : TILE_ERROR)__c11_atomic_store(f->out_cdf.progress, retval == 0 ? 1 : (
2147483647 - 1), 5)
;
3279 dav1d_cdf_thread_unref(&f->out_cdf);
3280 }
3281 dav1d_ref_dec(&f->cur_segmap_ref);
3282 dav1d_ref_dec(&f->prev_segmap_ref);
3283 dav1d_ref_dec(&f->mvs_ref);
3284 dav1d_ref_dec(&f->seq_hdr_ref);
3285 dav1d_ref_dec(&f->frame_hdr_ref);
3286
3287 for (int i = 0; i < f->n_tile_data; i++)
3288 dav1d_data_unref_internal(&f->tile[i].data);
3289 f->task_thread.retval = retval;
3290}
3291
3292int dav1d_decode_frame(Dav1dFrameContext *const f) {
3293 assert(f->c->n_fc == 1)((void) sizeof ((f->c->n_fc == 1) ? 1 : 0), __extension__
({ if (f->c->n_fc == 1) ; else __assert_fail ("f->c->n_fc == 1"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 3293,
__extension__ __PRETTY_FUNCTION__); }))
;
3294 // if n_tc > 1 (but n_fc == 1), we could run init/exit in the task
3295 // threads also. Not sure it makes a measurable difference.
3296 int res = dav1d_decode_frame_init(f);
3297 if (!res) res = dav1d_decode_frame_init_cdf(f);
3298 // wait until all threads have completed
3299 if (!res) {
3300 if (f->c->n_tc > 1) {
3301 res = dav1d_task_create_tile_sbrow(f, 0, 1);
3302 pthread_mutex_lock(&f->task_thread.ttd->lock);
3303 pthread_cond_signal(&f->task_thread.ttd->cond);
3304 if (!res) {
3305 while (!f->task_thread.done[0] ||
3306 atomic_load(&f->task_thread.task_counter)__c11_atomic_load(&f->task_thread.task_counter, 5) > 0)
3307 {
3308 pthread_cond_wait(&f->task_thread.cond,
3309 &f->task_thread.ttd->lock);
3310 }
3311 }
3312 pthread_mutex_unlock(&f->task_thread.ttd->lock);
3313 res = f->task_thread.retval;
3314 } else {
3315 res = dav1d_decode_frame_main(f);
3316 if (!res && f->frame_hdr->refresh_context && f->task_thread.update_set) {
3317 dav1d_cdf_thread_update(f->frame_hdr, f->out_cdf.data.cdf,
3318 &f->ts[f->frame_hdr->tiling.update].cdf);
3319 }
3320 }
3321 }
3322 dav1d_decode_frame_exit(f, res);
3323 res = f->task_thread.retval;
3324 f->n_tile_data = 0;
3325 return res;
3326}
3327
3328static int get_upscale_x0(const int in_w, const int out_w, const int step) {
3329 const int err = out_w * step - (in_w << 14);
3330 const int x0 = (-((out_w - in_w) << 13) + (out_w >> 1)) / out_w + 128 - (err / 2);
3331 return x0 & 0x3fff;
3332}
3333
3334int dav1d_submit_frame(Dav1dContext *const c) {
3335 Dav1dFrameContext *f;
3336 int res = -1;
3337
3338 // wait for c->out_delayed[next] and move into c->out if visible
3339 Dav1dThreadPicture *out_delayed;
3340 if (c->n_fc > 1) {
3341 pthread_mutex_lock(&c->task_thread.lock);
3342 const unsigned next = c->frame_thread.next++;
3343 if (c->frame_thread.next == c->n_fc)
3344 c->frame_thread.next = 0;
3345
3346 f = &c->fc[next];
3347 while (f->n_tile_data > 0)
3348 pthread_cond_wait(&f->task_thread.cond,
3349 &c->task_thread.lock);
3350 out_delayed = &c->frame_thread.out_delayed[next];
3351 if (out_delayed->p.data[0] || atomic_load(&f->task_thread.error)__c11_atomic_load(&f->task_thread.error, 5)) {
3352 unsigned first = atomic_load(&c->task_thread.first)__c11_atomic_load(&c->task_thread.first, 5);
3353 if (first + 1U < c->n_fc)
3354 atomic_fetch_add(&c->task_thread.first, 1U)__c11_atomic_fetch_add(&c->task_thread.first, 1U, 5);
3355 else
3356 atomic_store(&c->task_thread.first, 0)__c11_atomic_store(&c->task_thread.first, 0, 5);
3357 atomic_compare_exchange_strong(&c->task_thread.reset_task_cur,__c11_atomic_compare_exchange_strong(&c->task_thread.reset_task_cur
, &first, (2147483647 *2U +1U), 5, 5)
3358 &first, UINT_MAX)__c11_atomic_compare_exchange_strong(&c->task_thread.reset_task_cur
, &first, (2147483647 *2U +1U), 5, 5)
;
3359 if (c->task_thread.cur && c->task_thread.cur < c->n_fc)
3360 c->task_thread.cur--;
3361 }
3362 const int error = f->task_thread.retval;
3363 if (error) {
3364 f->task_thread.retval = 0;
3365 c->cached_error = error;
3366 dav1d_data_props_copy(&c->cached_error_props, &out_delayed->p.m);
3367 dav1d_thread_picture_unref(out_delayed);
3368 } else if (out_delayed->p.data[0]) {
3369 const unsigned progress = atomic_load_explicit__c11_atomic_load(&out_delayed->progress[1],
3370 memory_order_relaxed);
3371 if ((out_delayed->visible || c->output_invisible_frames) &&
3372 progress != FRAME_ERROR((2147483647 *2U +1U) - 1))
3373 {
3374 dav1d_thread_picture_ref(&c->out, out_delayed);
3375 c->event_flags |= dav1d_picture_get_event_flags(out_delayed);
3376 }
3377 dav1d_thread_picture_unref(out_delayed);
3378 }
3379 } else {
3380 f = c->fc;
3381 }
3382
3383 f->seq_hdr = c->seq_hdr;
3384 f->seq_hdr_ref = c->seq_hdr_ref;
3385 dav1d_ref_inc(f->seq_hdr_ref);
3386 f->frame_hdr = c->frame_hdr;
3387 f->frame_hdr_ref = c->frame_hdr_ref;
3388 c->frame_hdr = NULL((void*)0);
3389 c->frame_hdr_ref = NULL((void*)0);
3390 f->dsp = &c->dsp[f->seq_hdr->hbd];
3391
3392 const int bpc = 8 + 2 * f->seq_hdr->hbd;
3393
3394 if (!f->dsp->ipred.intra_pred[DC_PRED]) {
3395 Dav1dDSPContext *const dsp = &c->dsp[f->seq_hdr->hbd];
3396
3397 switch (bpc) {
3398#define assign_bitdepth_case(bd) \
3399 dav1d_cdef_dsp_init_##bd##bpc(&dsp->cdef); \
3400 dav1d_intra_pred_dsp_init_##bd##bpc(&dsp->ipred); \
3401 dav1d_itx_dsp_init_##bd##bpc(&dsp->itx, bpc); \
3402 dav1d_loop_filter_dsp_init_##bd##bpc(&dsp->lf); \
3403 dav1d_loop_restoration_dsp_init_##bd##bpc(&dsp->lr, bpc); \
3404 dav1d_mc_dsp_init_##bd##bpc(&dsp->mc); \
3405 dav1d_film_grain_dsp_init_##bd##bpc(&dsp->fg); \
3406 break
3407#if CONFIG_8BPC1
3408 case 8:
3409 assign_bitdepth_case(8);
3410#endif
3411#if CONFIG_16BPC1
3412 case 10:
3413 case 12:
3414 assign_bitdepth_case(16);
3415#endif
3416#undef assign_bitdepth_case
3417 default:
3418 dav1d_log(c, "Compiled without support for %d-bit decoding\n",do { } while(0)
3419 8 + 2 * f->seq_hdr->hbd)do { } while(0);
3420 res = DAV1D_ERR(ENOPROTOOPT)(-(92));
3421 goto error;
3422 }
3423 }
3424
3425#define assign_bitdepth_case(bd) \
3426 f->bd_fn.recon_b_inter = dav1d_recon_b_inter_##bd##bpc; \
3427 f->bd_fn.recon_b_intra = dav1d_recon_b_intra_##bd##bpc; \
3428 f->bd_fn.filter_sbrow = dav1d_filter_sbrow_##bd##bpc; \
3429 f->bd_fn.filter_sbrow_deblock_cols = dav1d_filter_sbrow_deblock_cols_##bd##bpc; \
3430 f->bd_fn.filter_sbrow_deblock_rows = dav1d_filter_sbrow_deblock_rows_##bd##bpc; \
3431 f->bd_fn.filter_sbrow_cdef = dav1d_filter_sbrow_cdef_##bd##bpc; \
3432 f->bd_fn.filter_sbrow_resize = dav1d_filter_sbrow_resize_##bd##bpc; \
3433 f->bd_fn.filter_sbrow_lr = dav1d_filter_sbrow_lr_##bd##bpc; \
3434 f->bd_fn.backup_ipred_edge = dav1d_backup_ipred_edge_##bd##bpc; \
3435 f->bd_fn.read_coef_blocks = dav1d_read_coef_blocks_##bd##bpc; \
3436 f->bd_fn.copy_pal_block_y = dav1d_copy_pal_block_y_##bd##bpc; \
3437 f->bd_fn.copy_pal_block_uv = dav1d_copy_pal_block_uv_##bd##bpc; \
3438 f->bd_fn.read_pal_plane = dav1d_read_pal_plane_##bd##bpc; \
3439 f->bd_fn.read_pal_uv = dav1d_read_pal_uv_##bd##bpc
3440 if (!f->seq_hdr->hbd) {
3441#if CONFIG_8BPC1
3442 assign_bitdepth_case(8);
3443#endif
3444 } else {
3445#if CONFIG_16BPC1
3446 assign_bitdepth_case(16);
3447#endif
3448 }
3449#undef assign_bitdepth_case
3450
3451 int ref_coded_width[7];
3452 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1)) {
3453 if (f->frame_hdr->primary_ref_frame != DAV1D_PRIMARY_REF_NONE7) {
3454 const int pri_ref = f->frame_hdr->refidx[f->frame_hdr->primary_ref_frame];
3455 if (!c->refs[pri_ref].p.p.data[0]) {
3456 res = DAV1D_ERR(EINVAL)(-(22));
3457 goto error;
3458 }
3459 }
3460 for (int i = 0; i < 7; i++) {
3461 const int refidx = f->frame_hdr->refidx[i];
3462 if (!c->refs[refidx].p.p.data[0] ||
3463 f->frame_hdr->width[0] * 2 < c->refs[refidx].p.p.p.w ||
3464 f->frame_hdr->height * 2 < c->refs[refidx].p.p.p.h ||
3465 f->frame_hdr->width[0] > c->refs[refidx].p.p.p.w * 16 ||
3466 f->frame_hdr->height > c->refs[refidx].p.p.p.h * 16 ||
3467 f->seq_hdr->layout != c->refs[refidx].p.p.p.layout ||
3468 bpc != c->refs[refidx].p.p.p.bpc)
3469 {
3470 for (int j = 0; j < i; j++)
3471 dav1d_thread_picture_unref(&f->refp[j]);
3472 res = DAV1D_ERR(EINVAL)(-(22));
3473 goto error;
3474 }
3475 dav1d_thread_picture_ref(&f->refp[i], &c->refs[refidx].p);
3476 ref_coded_width[i] = c->refs[refidx].p.p.frame_hdr->width[0];
3477 if (f->frame_hdr->width[0] != c->refs[refidx].p.p.p.w ||
3478 f->frame_hdr->height != c->refs[refidx].p.p.p.h)
3479 {
3480#define scale_fac(ref_sz, this_sz) \
3481 ((((ref_sz) << 14) + ((this_sz) >> 1)) / (this_sz))
3482 f->svc[i][0].scale = scale_fac(c->refs[refidx].p.p.p.w,
3483 f->frame_hdr->width[0]);
3484 f->svc[i][1].scale = scale_fac(c->refs[refidx].p.p.p.h,
3485 f->frame_hdr->height);
3486 f->svc[i][0].step = (f->svc[i][0].scale + 8) >> 4;
3487 f->svc[i][1].step = (f->svc[i][1].scale + 8) >> 4;
3488 } else {
3489 f->svc[i][0].scale = f->svc[i][1].scale = 0;
3490 }
3491 f->gmv_warp_allowed[i] = f->frame_hdr->gmv[i].type > DAV1D_WM_TYPE_TRANSLATION &&
3492 !f->frame_hdr->force_integer_mv &&
3493 !dav1d_get_shear_params(&f->frame_hdr->gmv[i]) &&
3494 !f->svc[i][0].scale;
3495 }
3496 }
3497
3498 // setup entropy
3499 if (f->frame_hdr->primary_ref_frame == DAV1D_PRIMARY_REF_NONE7) {
3500 dav1d_cdf_thread_init_static(&f->in_cdf, f->frame_hdr->quant.yac);
3501 } else {
3502 const int pri_ref = f->frame_hdr->refidx[f->frame_hdr->primary_ref_frame];
3503 dav1d_cdf_thread_ref(&f->in_cdf, &c->cdf[pri_ref]);
3504 }
3505 if (f->frame_hdr->refresh_context) {
3506 res = dav1d_cdf_thread_alloc(c, &f->out_cdf, c->n_fc > 1);
3507 if (res < 0) goto error;
3508 }
3509
3510 // FIXME qsort so tiles are in order (for frame threading)
3511 if (f->n_tile_data_alloc < c->n_tile_data) {
3512 dav1d_free(f->tile)free(f->tile);
3513 assert(c->n_tile_data < INT_MAX / (int)sizeof(*f->tile))((void) sizeof ((c->n_tile_data < 2147483647 / (int)sizeof
(*f->tile)) ? 1 : 0), __extension__ ({ if (c->n_tile_data
< 2147483647 / (int)sizeof(*f->tile)) ; else __assert_fail
("c->n_tile_data < INT_MAX / (int)sizeof(*f->tile)"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 3513,
__extension__ __PRETTY_FUNCTION__); }))
;
3514 f->tile = dav1d_malloc(ALLOC_TILE, c->n_tile_data * sizeof(*f->tile))malloc(c->n_tile_data * sizeof(*f->tile));
3515 if (!f->tile) {
3516 f->n_tile_data_alloc = f->n_tile_data = 0;
3517 res = DAV1D_ERR(ENOMEM)(-(12));
3518 goto error;
3519 }
3520 f->n_tile_data_alloc = c->n_tile_data;
3521 }
3522 memcpy(f->tile, c->tile, c->n_tile_data * sizeof(*f->tile));
3523 memset(c->tile, 0, c->n_tile_data * sizeof(*c->tile));
3524 f->n_tile_data = c->n_tile_data;
3525 c->n_tile_data = 0;
3526
3527 // allocate frame
3528 res = dav1d_thread_picture_alloc(c, f, bpc);
3529 if (res < 0) goto error;
3530
3531 if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) {
3532 res = dav1d_picture_alloc_copy(c, &f->cur, f->frame_hdr->width[0], &f->sr_cur.p);
3533 if (res < 0) goto error;
3534 } else {
3535 dav1d_picture_ref(&f->cur, &f->sr_cur.p);
3536 }
3537
3538 if (f->frame_hdr->width[0] != f->frame_hdr->width[1]) {
3539 f->resize_step[0] = scale_fac(f->cur.p.w, f->sr_cur.p.p.w);
3540 const int ss_hor = f->cur.p.layout != DAV1D_PIXEL_LAYOUT_I444;
3541 const int in_cw = (f->cur.p.w + ss_hor) >> ss_hor;
3542 const int out_cw = (f->sr_cur.p.p.w + ss_hor) >> ss_hor;
3543 f->resize_step[1] = scale_fac(in_cw, out_cw);
3544#undef scale_fac
3545 f->resize_start[0] = get_upscale_x0(f->cur.p.w, f->sr_cur.p.p.w, f->resize_step[0]);
3546 f->resize_start[1] = get_upscale_x0(in_cw, out_cw, f->resize_step[1]);
3547 }
3548
3549 // move f->cur into output queue
3550 if (c->n_fc == 1) {
3551 if (f->frame_hdr->show_frame || c->output_invisible_frames) {
3552 dav1d_thread_picture_ref(&c->out, &f->sr_cur);
3553 c->event_flags |= dav1d_picture_get_event_flags(&f->sr_cur);
3554 }
3555 } else {
3556 dav1d_thread_picture_ref(out_delayed, &f->sr_cur);
3557 }
3558
3559 f->w4 = (f->frame_hdr->width[0] + 3) >> 2;
3560 f->h4 = (f->frame_hdr->height + 3) >> 2;
3561 f->bw = ((f->frame_hdr->width[0] + 7) >> 3) << 1;
3562 f->bh = ((f->frame_hdr->height + 7) >> 3) << 1;
3563 f->sb128w = (f->bw + 31) >> 5;
3564 f->sb128h = (f->bh + 31) >> 5;
3565 f->sb_shift = 4 + f->seq_hdr->sb128;
3566 f->sb_step = 16 << f->seq_hdr->sb128;
3567 f->sbh = (f->bh + f->sb_step - 1) >> f->sb_shift;
3568 f->b4_stride = (f->bw + 31) & ~31;
3569 f->bitdepth_max = (1 << f->cur.p.bpc) - 1;
3570 atomic_init__c11_atomic_init(&f->task_thread.error, 0);
3571 const int uses_2pass = c->n_fc > 1;
3572 const int cols = f->frame_hdr->tiling.cols;
3573 const int rows = f->frame_hdr->tiling.rows;
3574 atomic_store(&f->task_thread.task_counter,__c11_atomic_store(&f->task_thread.task_counter, (cols
* rows + f->sbh) << uses_2pass, 5)
3575 (cols * rows + f->sbh) << uses_2pass)__c11_atomic_store(&f->task_thread.task_counter, (cols
* rows + f->sbh) << uses_2pass, 5)
;
3576
3577 // ref_mvs
3578 if (IS_INTER_OR_SWITCH(f->frame_hdr)((f->frame_hdr)->frame_type & 1) || f->frame_hdr->allow_intrabc) {
3579 f->mvs_ref = dav1d_ref_create_using_pool(c->refmvs_pool,
3580 sizeof(*f->mvs) * f->sb128h * 16 * (f->b4_stride >> 1));
3581 if (!f->mvs_ref) {
3582 res = DAV1D_ERR(ENOMEM)(-(12));
3583 goto error;
3584 }
3585 f->mvs = f->mvs_ref->data;
3586 if (!f->frame_hdr->allow_intrabc) {
3587 for (int i = 0; i < 7; i++)
3588 f->refpoc[i] = f->refp[i].p.frame_hdr->frame_offset;
3589 } else {
3590 memset(f->refpoc, 0, sizeof(f->refpoc));
3591 }
3592 if (f->frame_hdr->use_ref_frame_mvs) {
3593 for (int i = 0; i < 7; i++) {
3594 const int refidx = f->frame_hdr->refidx[i];
3595 const int ref_w = ((ref_coded_width[i] + 7) >> 3) << 1;
3596 const int ref_h = ((f->refp[i].p.p.h + 7) >> 3) << 1;
3597 if (c->refs[refidx].refmvs != NULL((void*)0) &&
3598 ref_w == f->bw && ref_h == f->bh)
3599 {
3600 f->ref_mvs_ref[i] = c->refs[refidx].refmvs;
3601 dav1d_ref_inc(f->ref_mvs_ref[i]);
3602 f->ref_mvs[i] = c->refs[refidx].refmvs->data;
3603 } else {
3604 f->ref_mvs[i] = NULL((void*)0);
3605 f->ref_mvs_ref[i] = NULL((void*)0);
3606 }
3607 memcpy(f->refrefpoc[i], c->refs[refidx].refpoc,
3608 sizeof(*f->refrefpoc));
3609 }
3610 } else {
3611 memset(f->ref_mvs_ref, 0, sizeof(f->ref_mvs_ref));
3612 }
3613 } else {
3614 f->mvs_ref = NULL((void*)0);
3615 memset(f->ref_mvs_ref, 0, sizeof(f->ref_mvs_ref));
3616 }
3617
3618 // segmap
3619 if (f->frame_hdr->segmentation.enabled) {
3620 // By default, the previous segmentation map is not initialised.
3621 f->prev_segmap_ref = NULL((void*)0);
3622 f->prev_segmap = NULL((void*)0);
3623
3624 // We might need a previous frame's segmentation map. This
3625 // happens if there is either no update or a temporal update.
3626 if (f->frame_hdr->segmentation.temporal || !f->frame_hdr->segmentation.update_map) {
3627 const int pri_ref = f->frame_hdr->primary_ref_frame;
3628 assert(pri_ref != DAV1D_PRIMARY_REF_NONE)((void) sizeof ((pri_ref != 7) ? 1 : 0), __extension__ ({ if (
pri_ref != 7) ; else __assert_fail ("pri_ref != DAV1D_PRIMARY_REF_NONE"
, "/root/firefox-clang/third_party/dav1d/src/decode.c", 3628,
__extension__ __PRETTY_FUNCTION__); }))
;
3629 const int ref_w = ((ref_coded_width[pri_ref] + 7) >> 3) << 1;
3630 const int ref_h = ((f->refp[pri_ref].p.p.h + 7) >> 3) << 1;
3631 if (ref_w == f->bw && ref_h == f->bh) {
3632 f->prev_segmap_ref = c->refs[f->frame_hdr->refidx[pri_ref]].segmap;
3633 if (f->prev_segmap_ref) {
3634 dav1d_ref_inc(f->prev_segmap_ref);
3635 f->prev_segmap = f->prev_segmap_ref->data;
3636 }
3637 }
3638 }
3639
3640 if (f->frame_hdr->segmentation.update_map) {
3641 // We're updating an existing map, but need somewhere to
3642 // put the new values. Allocate them here (the data
3643 // actually gets set elsewhere)
3644 f->cur_segmap_ref = dav1d_ref_create_using_pool(c->segmap_pool,
3645 sizeof(*f->cur_segmap) * f->b4_stride * 32 * f->sb128h);
3646 if (!f->cur_segmap_ref) {
3647 dav1d_ref_dec(&f->prev_segmap_ref);
3648 res = DAV1D_ERR(ENOMEM)(-(12));
3649 goto error;
3650 }
3651 f->cur_segmap = f->cur_segmap_ref->data;
3652 } else if (f->prev_segmap_ref) {
3653 // We're not updating an existing map, and we have a valid
3654 // reference. Use that.
3655 f->cur_segmap_ref = f->prev_segmap_ref;
3656 dav1d_ref_inc(f->cur_segmap_ref);
3657 f->cur_segmap = f->prev_segmap_ref->data;
3658 } else {
3659 // We need to make a new map. Allocate one here and zero it out.
3660 const size_t segmap_size = sizeof(*f->cur_segmap) * f->b4_stride * 32 * f->sb128h;
3661 f->cur_segmap_ref = dav1d_ref_create_using_pool(c->segmap_pool, segmap_size);
3662 if (!f->cur_segmap_ref) {
3663 res = DAV1D_ERR(ENOMEM)(-(12));
3664 goto error;
3665 }
3666 f->cur_segmap = f->cur_segmap_ref->data;
3667 memset(f->cur_segmap, 0, segmap_size);
3668 }
3669 } else {
3670 f->cur_segmap = NULL((void*)0);
3671 f->cur_segmap_ref = NULL((void*)0);
3672 f->prev_segmap_ref = NULL((void*)0);
3673 }
3674
3675 // update references etc.
3676 const unsigned refresh_frame_flags = f->frame_hdr->refresh_frame_flags;
3677 for (int i = 0; i < 8; i++) {
3678 if (refresh_frame_flags & (1 << i)) {
3679 if (c->refs[i].p.p.frame_hdr)
3680 dav1d_thread_picture_unref(&c->refs[i].p);
3681 dav1d_thread_picture_ref(&c->refs[i].p, &f->sr_cur);
3682
3683 dav1d_cdf_thread_unref(&c->cdf[i]);
3684 if (f->frame_hdr->refresh_context) {
3685 dav1d_cdf_thread_ref(&c->cdf[i], &f->out_cdf);
3686 } else {
3687 dav1d_cdf_thread_ref(&c->cdf[i], &f->in_cdf);
3688 }
3689
3690 dav1d_ref_dec(&c->refs[i].segmap);
3691 c->refs[i].segmap = f->cur_segmap_ref;
3692 if (f->cur_segmap_ref)
3693 dav1d_ref_inc(f->cur_segmap_ref);
3694 dav1d_ref_dec(&c->refs[i].refmvs);
3695 if (!f->frame_hdr->allow_intrabc) {
3696 c->refs[i].refmvs = f->mvs_ref;
3697 if (f->mvs_ref)
3698 dav1d_ref_inc(f->mvs_ref);
3699 }
3700 memcpy(c->refs[i].refpoc, f->refpoc, sizeof(f->refpoc));
3701 }
3702 }
3703
3704 if (c->n_fc == 1) {
3705 if ((res = dav1d_decode_frame(f)) < 0) {
3706 dav1d_thread_picture_unref(&c->out);
3707 for (int i = 0; i < 8; i++) {
3708 if (refresh_frame_flags & (1 << i)) {
3709 if (c->refs[i].p.p.frame_hdr)
3710 dav1d_thread_picture_unref(&c->refs[i].p);
3711 dav1d_cdf_thread_unref(&c->cdf[i]);
3712 dav1d_ref_dec(&c->refs[i].segmap);
3713 dav1d_ref_dec(&c->refs[i].refmvs);
3714 }
3715 }
3716 goto error;
3717 }
3718 } else {
3719 dav1d_task_frame_init(f);
3720 pthread_mutex_unlock(&c->task_thread.lock);
3721 }
3722
3723 return 0;
3724error:
3725 atomic_init__c11_atomic_init(&f->task_thread.error, 1);
3726 dav1d_cdf_thread_unref(&f->in_cdf);
3727 if (f->frame_hdr->refresh_context)
3728 dav1d_cdf_thread_unref(&f->out_cdf);
3729 for (int i = 0; i < 7; i++) {
3730 if (f->refp[i].p.frame_hdr)
3731 dav1d_thread_picture_unref(&f->refp[i]);
3732 dav1d_ref_dec(&f->ref_mvs_ref[i]);
3733 }
3734 if (c->n_fc == 1)
3735 dav1d_thread_picture_unref(&c->out);
3736 else
3737 dav1d_thread_picture_unref(out_delayed);
3738 dav1d_picture_unref_internal(&f->cur);
3739 dav1d_thread_picture_unref(&f->sr_cur);
3740 dav1d_ref_dec(&f->mvs_ref);
3741 dav1d_ref_dec(&f->seq_hdr_ref);
3742 dav1d_ref_dec(&f->frame_hdr_ref);
3743 dav1d_data_props_copy(&c->cached_error_props, &c->in.m);
3744
3745 for (int i = 0; i < f->n_tile_data; i++)
3746 dav1d_data_unref_internal(&f->tile[i].data);
3747 f->n_tile_data = 0;
3748
3749 if (c->n_fc > 1)
3750 pthread_mutex_unlock(&c->task_thread.lock);
3751
3752 return res;
3753}