FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/hevc/ps.c
Date: 2024-07-16 12:46:59
Exec Total Coverage
Lines: 929 1307 71.1%
Functions: 28 29 96.6%
Branches: 553 883 62.6%

Line Branch Exec Source
1 /*
2 * HEVC Parameter Set decoding
3 *
4 * Copyright (C) 2012 - 2013 Guillaume Martres
5 * Copyright (C) 2012 - 2013 Mickael Raulet
6 * Copyright (C) 2012 - 2013 Gildas Cocherel
7 * Copyright (C) 2013 Vittorio Giovara
8 *
9 * This file is part of FFmpeg.
10 *
11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * FFmpeg is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 #include "libavutil/imgutils.h"
27 #include "libavutil/mem.h"
28 #include "golomb.h"
29 #include "h2645_vui.h"
30 #include "data.h"
31 #include "ps.h"
32 #include "refstruct.h"
33
34 static const uint8_t default_scaling_list_intra[] = {
35 16, 16, 16, 16, 17, 18, 21, 24,
36 16, 16, 16, 16, 17, 19, 22, 25,
37 16, 16, 17, 18, 20, 22, 25, 29,
38 16, 16, 18, 21, 24, 27, 31, 36,
39 17, 17, 20, 24, 30, 35, 41, 47,
40 18, 19, 22, 27, 35, 44, 54, 65,
41 21, 22, 25, 31, 41, 54, 70, 88,
42 24, 25, 29, 36, 47, 65, 88, 115
43 };
44
45 static const uint8_t default_scaling_list_inter[] = {
46 16, 16, 16, 16, 17, 18, 20, 24,
47 16, 16, 16, 17, 18, 20, 24, 25,
48 16, 16, 17, 18, 20, 24, 25, 28,
49 16, 17, 18, 20, 24, 25, 28, 33,
50 17, 18, 20, 24, 25, 28, 33, 41,
51 18, 20, 24, 25, 28, 33, 41, 54,
52 20, 24, 25, 28, 33, 41, 54, 71,
53 24, 25, 28, 33, 41, 54, 71, 91
54 };
55
56 static const uint8_t hevc_sub_width_c[] = {
57 1, 2, 2, 1
58 };
59
60 static const uint8_t hevc_sub_height_c[] = {
61 1, 2, 1, 1
62 };
63
64 655 static void remove_sps(HEVCParamSets *s, int id)
65 {
66 int i;
67
2/2
✓ Branch 0 taken 11 times.
✓ Branch 1 taken 644 times.
655 if (s->sps_list[id]) {
68
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 5 times.
11 if (s->sps == s->sps_list[id])
69 6 s->sps = NULL;
70
71 /* drop all PPS that depend on this SPS */
72
2/2
✓ Branch 0 taken 704 times.
✓ Branch 1 taken 11 times.
715 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
73
3/4
✓ Branch 0 taken 11 times.
✓ Branch 1 taken 693 times.
✓ Branch 2 taken 11 times.
✗ Branch 3 not taken.
704 if (s->pps_list[i] && s->pps_list[i]->sps_id == id)
74 11 ff_refstruct_unref(&s->pps_list[i]);
75
76
2/4
✓ Branch 0 taken 11 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 11 times.
11 av_assert0(!(s->sps_list[id] && s->sps == s->sps_list[id]));
77 11 ff_refstruct_unref(&s->sps_list[id]);
78 }
79 655 }
80
81 642 static void remove_vps(HEVCParamSets *s, int id)
82 {
83 int i;
84
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 639 times.
642 if (s->vps_list[id]) {
85
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 1 times.
3 if (s->vps == s->vps_list[id])
86 2 s->vps = NULL;
87
88
2/2
✓ Branch 0 taken 48 times.
✓ Branch 1 taken 3 times.
51 for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
89
3/4
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 45 times.
✓ Branch 2 taken 3 times.
✗ Branch 3 not taken.
48 if (s->sps_list[i] && s->sps_list[i]->vps_id == id)
90 3 remove_sps(s, i);
91 3 ff_refstruct_unref(&s->vps_list[id]);
92 }
93 642 }
94
95 12602 int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
96 ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
97 {
98 int delta_poc;
99 12602 int k0 = 0;
100 12602 int k = 0;
101 int i;
102
103 12602 rps->used = 0;
104 12602 rps->rps_predict = 0;
105
106
4/4
✓ Branch 0 taken 11667 times.
✓ Branch 1 taken 935 times.
✓ Branch 2 taken 11364 times.
✓ Branch 3 taken 303 times.
12602 if (rps != sps->st_rps && sps->nb_st_rps)
107 11364 rps->rps_predict = get_bits1(gb);
108
109
2/2
✓ Branch 0 taken 7566 times.
✓ Branch 1 taken 5036 times.
12602 if (rps->rps_predict) {
110 const ShortTermRPS *rps_ridx;
111 7566 uint8_t used[32] = { 0 };
112 int delta_rps;
113
114
2/2
✓ Branch 0 taken 619 times.
✓ Branch 1 taken 6947 times.
7566 if (is_slice_header) {
115 619 rps->delta_idx = get_ue_golomb_long(gb) + 1;
116
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 619 times.
619 if (rps->delta_idx > sps->nb_st_rps) {
117 av_log(avctx, AV_LOG_ERROR,
118 "Invalid value of delta_idx in slice header RPS: %d > %d.\n",
119 rps->delta_idx, sps->nb_st_rps);
120 return AVERROR_INVALIDDATA;
121 }
122 619 rps_ridx = &sps->st_rps[sps->nb_st_rps - rps->delta_idx];
123 619 rps->rps_idx_num_delta_pocs = rps_ridx->num_delta_pocs;
124 } else
125 6947 rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
126
127 7566 rps->delta_rps_sign = get_bits1(gb);
128 7566 rps->abs_delta_rps = get_ue_golomb_long(gb) + 1;
129
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7566 times.
7566 if (rps->abs_delta_rps > 32768) {
130 av_log(avctx, AV_LOG_ERROR,
131 "Invalid value of abs_delta_rps: %d\n",
132 rps->abs_delta_rps);
133 return AVERROR_INVALIDDATA;
134 }
135 7566 delta_rps = (1 - (rps->delta_rps_sign << 1)) * rps->abs_delta_rps;
136
2/2
✓ Branch 0 taken 32810 times.
✓ Branch 1 taken 7566 times.
40376 for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
137 32810 used[k] = get_bits1(gb);
138
139 32810 rps->use_delta = 0;
140
2/2
✓ Branch 0 taken 6497 times.
✓ Branch 1 taken 26313 times.
32810 if (!used[k])
141 6497 rps->use_delta = get_bits1(gb);
142
143
4/4
✓ Branch 0 taken 6497 times.
✓ Branch 1 taken 26313 times.
✓ Branch 2 taken 50 times.
✓ Branch 3 taken 6447 times.
32810 if (used[k] || rps->use_delta) {
144
2/2
✓ Branch 0 taken 20769 times.
✓ Branch 1 taken 5594 times.
26363 if (i < rps_ridx->num_delta_pocs)
145 20769 delta_poc = delta_rps + rps_ridx->delta_poc[i];
146 else
147 5594 delta_poc = delta_rps;
148 26363 rps->delta_poc[k] = delta_poc;
149
2/2
✓ Branch 0 taken 18304 times.
✓ Branch 1 taken 8059 times.
26363 if (delta_poc < 0)
150 18304 k0++;
151 26363 k++;
152 }
153 }
154
155
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7566 times.
7566 if (k >= FF_ARRAY_ELEMS(used)) {
156 av_log(avctx, AV_LOG_ERROR,
157 "Invalid num_delta_pocs: %d\n", k);
158 return AVERROR_INVALIDDATA;
159 }
160
161 7566 rps->num_delta_pocs = k;
162 7566 rps->num_negative_pics = k0;
163 // sort in increasing order (smallest first)
164
1/2
✓ Branch 0 taken 7566 times.
✗ Branch 1 not taken.
7566 if (rps->num_delta_pocs != 0) {
165 int u, tmp;
166
2/2
✓ Branch 0 taken 18797 times.
✓ Branch 1 taken 7566 times.
26363 for (i = 1; i < rps->num_delta_pocs; i++) {
167 18797 delta_poc = rps->delta_poc[i];
168 18797 u = used[i];
169
2/2
✓ Branch 0 taken 35026 times.
✓ Branch 1 taken 18797 times.
53823 for (k = i - 1; k >= 0; k--) {
170 35026 tmp = rps->delta_poc[k];
171
2/2
✓ Branch 0 taken 11215 times.
✓ Branch 1 taken 23811 times.
35026 if (delta_poc < tmp) {
172 11215 rps->delta_poc[k + 1] = tmp;
173 11215 used[k + 1] = used[k];
174 11215 rps->delta_poc[k] = delta_poc;
175 11215 used[k] = u;
176 }
177 }
178 }
179 }
180
2/2
✓ Branch 0 taken 5751 times.
✓ Branch 1 taken 1815 times.
7566 if ((rps->num_negative_pics >> 1) != 0) {
181 int u;
182 5751 k = rps->num_negative_pics - 1;
183 // flip the negative values to largest first
184
2/2
✓ Branch 0 taken 7560 times.
✓ Branch 1 taken 5751 times.
13311 for (i = 0; i < rps->num_negative_pics >> 1; i++) {
185 7560 delta_poc = rps->delta_poc[i];
186 7560 u = used[i];
187 7560 rps->delta_poc[i] = rps->delta_poc[k];
188 7560 used[i] = used[k];
189 7560 rps->delta_poc[k] = delta_poc;
190 7560 used[k] = u;
191 7560 k--;
192 }
193 }
194
195
2/2
✓ Branch 0 taken 242112 times.
✓ Branch 1 taken 7566 times.
249678 for (unsigned i = 0; i < FF_ARRAY_ELEMS(used); i++)
196 242112 rps->used |= (uint32_t)used[i] << i;
197 } else {
198 unsigned int nb_positive_pics;
199
200 5036 rps->num_negative_pics = get_ue_golomb_long(gb);
201 5036 nb_positive_pics = get_ue_golomb_long(gb);
202
203
2/4
✓ Branch 0 taken 5036 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 5036 times.
5036 if (rps->num_negative_pics >= HEVC_MAX_REFS ||
204 nb_positive_pics >= HEVC_MAX_REFS) {
205 av_log(avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n");
206 return AVERROR_INVALIDDATA;
207 }
208
209 5036 rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
210
2/2
✓ Branch 0 taken 4664 times.
✓ Branch 1 taken 372 times.
5036 if (rps->num_delta_pocs) {
211 4664 int prev = 0;
212
213
2/2
✓ Branch 0 taken 13989 times.
✓ Branch 1 taken 4664 times.
18653 for (i = 0; i < rps->num_negative_pics; i++) {
214 13989 delta_poc = get_ue_golomb_long(gb) + 1;
215
2/4
✓ Branch 0 taken 13989 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 13989 times.
13989 if (delta_poc < 1 || delta_poc > 32768) {
216 av_log(avctx, AV_LOG_ERROR,
217 "Invalid value of delta_poc: %d\n",
218 delta_poc);
219 return AVERROR_INVALIDDATA;
220 }
221 13989 prev -= delta_poc;
222 13989 rps->delta_poc[i] = prev;
223 13989 rps->used |= get_bits1(gb) * (1 << i);
224 }
225 4664 prev = 0;
226
2/2
✓ Branch 0 taken 1217 times.
✓ Branch 1 taken 4664 times.
5881 for (i = 0; i < nb_positive_pics; i++) {
227 1217 delta_poc = get_ue_golomb_long(gb) + 1;
228
2/4
✓ Branch 0 taken 1217 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1217 times.
1217 if (delta_poc < 1 || delta_poc > 32768) {
229 av_log(avctx, AV_LOG_ERROR,
230 "Invalid value of delta_poc: %d\n",
231 delta_poc);
232 return AVERROR_INVALIDDATA;
233 }
234 1217 prev += delta_poc;
235 1217 rps->delta_poc[rps->num_negative_pics + i] = prev;
236 1217 rps->used |= get_bits1(gb) * (1 << (rps->num_negative_pics + i));
237 }
238 }
239 }
240 12602 return 0;
241 }
242
243
244 1766 static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx,
245 PTLCommon *ptl)
246 {
247 int i;
248
249
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1766 times.
1766 if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 43 + 1)
250 return -1;
251
252 1766 ptl->profile_space = get_bits(gb, 2);
253 1766 ptl->tier_flag = get_bits1(gb);
254 1766 ptl->profile_idc = get_bits(gb, 5);
255
2/2
✓ Branch 0 taken 1438 times.
✓ Branch 1 taken 328 times.
1766 if (ptl->profile_idc == AV_PROFILE_HEVC_MAIN)
256 1438 av_log(avctx, AV_LOG_DEBUG, "Main profile bitstream\n");
257
2/2
✓ Branch 0 taken 177 times.
✓ Branch 1 taken 151 times.
328 else if (ptl->profile_idc == AV_PROFILE_HEVC_MAIN_10)
258 177 av_log(avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n");
259
2/2
✓ Branch 0 taken 7 times.
✓ Branch 1 taken 144 times.
151 else if (ptl->profile_idc == AV_PROFILE_HEVC_MAIN_STILL_PICTURE)
260 7 av_log(avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n");
261
2/2
✓ Branch 0 taken 104 times.
✓ Branch 1 taken 40 times.
144 else if (ptl->profile_idc == AV_PROFILE_HEVC_REXT)
262 104 av_log(avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n");
263
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 40 times.
40 else if (ptl->profile_idc == AV_PROFILE_HEVC_SCC)
264 av_log(avctx, AV_LOG_DEBUG, "Screen Content Coding Extension profile bitstream\n");
265 else
266 40 av_log(avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc);
267
268
2/2
✓ Branch 0 taken 56512 times.
✓ Branch 1 taken 1766 times.
58278 for (i = 0; i < 32; i++) {
269 56512 ptl->profile_compatibility_flag[i] = get_bits1(gb);
270
271
6/6
✓ Branch 0 taken 96 times.
✓ Branch 1 taken 56416 times.
✓ Branch 2 taken 64 times.
✓ Branch 3 taken 32 times.
✓ Branch 4 taken 32 times.
✓ Branch 5 taken 32 times.
56512 if (ptl->profile_idc == 0 && i > 0 && ptl->profile_compatibility_flag[i])
272 32 ptl->profile_idc = i;
273 }
274 1766 ptl->progressive_source_flag = get_bits1(gb);
275 1766 ptl->interlaced_source_flag = get_bits1(gb);
276 1766 ptl->non_packed_constraint_flag = get_bits1(gb);
277 1766 ptl->frame_only_constraint_flag = get_bits1(gb);
278
279 #define check_profile_idc(idc) \
280 ptl->profile_idc == idc || ptl->profile_compatibility_flag[idc]
281
282
8/12
✓ Branch 0 taken 1662 times.
✓ Branch 1 taken 104 times.
✓ Branch 2 taken 1662 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 1654 times.
✓ Branch 5 taken 8 times.
✓ Branch 6 taken 1654 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 1654 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 1654 times.
✗ Branch 11 not taken.
1766 if (check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(6) ||
283
6/12
✓ Branch 0 taken 1654 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 1654 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 1654 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 1654 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 1654 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 1654 times.
✗ Branch 11 not taken.
1654 check_profile_idc(7) || check_profile_idc(8) || check_profile_idc(9) ||
284
2/4
✓ Branch 0 taken 1654 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1654 times.
1654 check_profile_idc(10)) {
285
286 112 ptl->max_12bit_constraint_flag = get_bits1(gb);
287 112 ptl->max_10bit_constraint_flag = get_bits1(gb);
288 112 ptl->max_8bit_constraint_flag = get_bits1(gb);
289 112 ptl->max_422chroma_constraint_flag = get_bits1(gb);
290 112 ptl->max_420chroma_constraint_flag = get_bits1(gb);
291 112 ptl->max_monochrome_constraint_flag = get_bits1(gb);
292 112 ptl->intra_constraint_flag = get_bits1(gb);
293 112 ptl->one_picture_only_constraint_flag = get_bits1(gb);
294 112 ptl->lower_bit_rate_constraint_flag = get_bits1(gb);
295
296
7/12
✓ Branch 0 taken 104 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 104 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 104 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 104 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 104 times.
✗ Branch 9 not taken.
✗ Branch 10 not taken.
✓ Branch 11 taken 104 times.
112 if (check_profile_idc(5) || check_profile_idc(9) || check_profile_idc(10)) {
297 8 ptl->max_14bit_constraint_flag = get_bits1(gb);
298 8 skip_bits_long(gb, 33); // XXX_reserved_zero_33bits[0..32]
299 } else {
300 104 skip_bits_long(gb, 34); // XXX_reserved_zero_34bits[0..33]
301 }
302
4/4
✓ Branch 0 taken 1445 times.
✓ Branch 1 taken 209 times.
✓ Branch 2 taken 1194 times.
✓ Branch 3 taken 251 times.
1654 } else if (check_profile_idc(2)) {
303 1403 skip_bits(gb, 7);
304 1403 ptl->one_picture_only_constraint_flag = get_bits1(gb);
305 1403 skip_bits_long(gb, 35); // XXX_reserved_zero_35bits[0..34]
306 } else {
307 251 skip_bits_long(gb, 43); // XXX_reserved_zero_43bits[0..42]
308 }
309
310
9/12
✓ Branch 0 taken 328 times.
✓ Branch 1 taken 1438 times.
✓ Branch 2 taken 321 times.
✓ Branch 3 taken 7 times.
✓ Branch 4 taken 112 times.
✓ Branch 5 taken 209 times.
✓ Branch 6 taken 112 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 112 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 112 times.
✗ Branch 11 not taken.
1766 if (check_profile_idc(1) || check_profile_idc(2) || check_profile_idc(3) ||
311
4/12
✓ Branch 0 taken 8 times.
✓ Branch 1 taken 104 times.
✓ Branch 2 taken 8 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 8 times.
✗ Branch 6 not taken.
✗ Branch 7 not taken.
✗ Branch 8 not taken.
✗ Branch 9 not taken.
✗ Branch 10 not taken.
✗ Branch 11 not taken.
112 check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(9))
312 1766 ptl->inbld_flag = get_bits1(gb);
313 else
314 skip_bits1(gb);
315 #undef check_profile_idc
316
317 1766 return 0;
318 }
319
320 1724 static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx,
321 PTL *ptl, int max_num_sub_layers)
322 {
323 int i;
324
2/4
✓ Branch 1 taken 1724 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 1724 times.
3448 if (decode_profile_tier_level(gb, avctx, &ptl->general_ptl) < 0 ||
325
2/2
✓ Branch 1 taken 153 times.
✓ Branch 2 taken 1571 times.
1724 get_bits_left(gb) < 8 + (8*2 * (max_num_sub_layers - 1 > 0))) {
326 av_log(avctx, AV_LOG_ERROR, "PTL information too short\n");
327 return -1;
328 }
329
330 1724 ptl->general_ptl.level_idc = get_bits(gb, 8);
331
332
2/2
✓ Branch 0 taken 303 times.
✓ Branch 1 taken 1724 times.
2027 for (i = 0; i < max_num_sub_layers - 1; i++) {
333 303 ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
334 303 ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
335 }
336
337
2/2
✓ Branch 0 taken 153 times.
✓ Branch 1 taken 1571 times.
1724 if (max_num_sub_layers - 1> 0)
338
2/2
✓ Branch 0 taken 921 times.
✓ Branch 1 taken 153 times.
1074 for (i = max_num_sub_layers - 1; i < 8; i++)
339 921 skip_bits(gb, 2); // reserved_zero_2bits[i]
340
2/2
✓ Branch 0 taken 303 times.
✓ Branch 1 taken 1724 times.
2027 for (i = 0; i < max_num_sub_layers - 1; i++) {
341
3/4
✓ Branch 0 taken 42 times.
✓ Branch 1 taken 261 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 42 times.
345 if (ptl->sub_layer_profile_present_flag[i] &&
342 42 decode_profile_tier_level(gb, avctx, &ptl->sub_layer_ptl[i]) < 0) {
343 av_log(avctx, AV_LOG_ERROR,
344 "PTL information for sublayer %i too short\n", i);
345 return -1;
346 }
347
2/2
✓ Branch 0 taken 42 times.
✓ Branch 1 taken 261 times.
303 if (ptl->sub_layer_level_present_flag[i]) {
348
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 42 times.
42 if (get_bits_left(gb) < 8) {
349 av_log(avctx, AV_LOG_ERROR,
350 "Not enough data for sublayer %i level_idc\n", i);
351 return -1;
352 } else
353 42 ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8);
354 }
355 }
356
357 1724 return 0;
358 }
359
360 101 static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb,
361 HEVCSublayerHdrParams *par, int subpic_params_present)
362 {
363 int i;
364
365
2/2
✓ Branch 0 taken 101 times.
✓ Branch 1 taken 101 times.
202 for (i = 0; i < nb_cpb; i++) {
366 101 par->bit_rate_value_minus1[i] = get_ue_golomb_long(gb);
367 101 par->cpb_size_value_minus1[i] = get_ue_golomb_long(gb);
368
369
2/2
✓ Branch 0 taken 34 times.
✓ Branch 1 taken 67 times.
101 if (subpic_params_present) {
370 34 par->cpb_size_du_value_minus1[i] = get_ue_golomb_long(gb);
371 34 par->bit_rate_du_value_minus1[i] = get_ue_golomb_long(gb);
372 }
373
374 101 par->cbr_flag |= get_bits1(gb) << i;
375 }
376 101 }
377
378 53 static int decode_hrd(GetBitContext *gb, int common_inf_present,
379 HEVCHdrParams *hdr, int max_sublayers)
380 {
381
1/2
✓ Branch 0 taken 53 times.
✗ Branch 1 not taken.
53 if (common_inf_present) {
382 53 hdr->nal_hrd_parameters_present_flag = get_bits1(gb);
383 53 hdr->vcl_hrd_parameters_present_flag = get_bits1(gb);
384
385
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 53 times.
53 if (hdr->nal_hrd_parameters_present_flag ||
386 hdr->vcl_hrd_parameters_present_flag) {
387 53 hdr->sub_pic_hrd_params_present_flag = get_bits1(gb);
388
389
2/2
✓ Branch 0 taken 17 times.
✓ Branch 1 taken 36 times.
53 if (hdr->sub_pic_hrd_params_present_flag) {
390 17 hdr->tick_divisor_minus2 = get_bits(gb, 8);
391 17 hdr->du_cpb_removal_delay_increment_length_minus1 = get_bits(gb, 5);
392 17 hdr->sub_pic_cpb_params_in_pic_timing_sei_flag = get_bits1(gb);
393 17 hdr->dpb_output_delay_du_length_minus1 = get_bits(gb, 5);
394 }
395
396 53 hdr->bit_rate_scale = get_bits(gb, 4);
397 53 hdr->cpb_size_scale = get_bits(gb, 4);
398
399
2/2
✓ Branch 0 taken 17 times.
✓ Branch 1 taken 36 times.
53 if (hdr->sub_pic_hrd_params_present_flag)
400 17 hdr->cpb_size_du_scale = get_bits(gb, 4);
401
402 53 hdr->initial_cpb_removal_delay_length_minus1 = get_bits(gb, 5);
403 53 hdr->au_cpb_removal_delay_length_minus1 = get_bits(gb, 5);
404 53 hdr->dpb_output_delay_length_minus1 = get_bits(gb, 5);
405 }
406 }
407
408
2/2
✓ Branch 0 taken 53 times.
✓ Branch 1 taken 53 times.
106 for (int i = 0; i < max_sublayers; i++) {
409 53 unsigned fixed_pic_rate_general_flag = get_bits1(gb);
410 53 unsigned fixed_pic_rate_within_cvs_flag = 0;
411 53 unsigned low_delay_hrd_flag = 0;
412 53 hdr->flags.fixed_pic_rate_general_flag |= fixed_pic_rate_general_flag << i;
413
414
2/2
✓ Branch 0 taken 23 times.
✓ Branch 1 taken 30 times.
53 if (!fixed_pic_rate_general_flag)
415 23 fixed_pic_rate_within_cvs_flag = get_bits1(gb);
416 53 hdr->flags.fixed_pic_rate_within_cvs_flag |= fixed_pic_rate_within_cvs_flag << i;
417
418
3/4
✓ Branch 0 taken 53 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 30 times.
✓ Branch 3 taken 23 times.
53 if (fixed_pic_rate_within_cvs_flag || fixed_pic_rate_general_flag)
419 30 hdr->elemental_duration_in_tc_minus1[i] = get_ue_golomb_long(gb);
420 else
421 23 low_delay_hrd_flag = get_bits1(gb);
422 53 hdr->flags.low_delay_hrd_flag |= low_delay_hrd_flag << i;
423
424
1/2
✓ Branch 0 taken 53 times.
✗ Branch 1 not taken.
53 if (!low_delay_hrd_flag) {
425 53 unsigned cpb_cnt_minus1 = get_ue_golomb_long(gb);
426
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 53 times.
53 if (cpb_cnt_minus1 > 31) {
427 av_log(NULL, AV_LOG_ERROR, "nb_cpb %d invalid\n",
428 cpb_cnt_minus1);
429 return AVERROR_INVALIDDATA;
430 }
431 53 hdr->cpb_cnt_minus1[i] = cpb_cnt_minus1;
432 }
433
434
1/2
✓ Branch 0 taken 53 times.
✗ Branch 1 not taken.
53 if (hdr->nal_hrd_parameters_present_flag)
435 53 decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i]+1, &hdr->nal_params[i],
436 53 hdr->sub_pic_hrd_params_present_flag);
437
438
2/2
✓ Branch 0 taken 48 times.
✓ Branch 1 taken 5 times.
53 if (hdr->vcl_hrd_parameters_present_flag)
439 48 decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i]+1, &hdr->vcl_params[i],
440 48 hdr->sub_pic_hrd_params_present_flag);
441 }
442
443 53 return 0;
444 }
445
446 642 static void hevc_vps_free(FFRefStructOpaque opaque, void *obj)
447 {
448 642 HEVCVPS *vps = obj;
449
450 642 av_freep(&vps->hdr);
451 642 av_freep(&vps->data);
452 642 }
453
454 1089 int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx,
455 HEVCParamSets *ps)
456 {
457 int i,j;
458 1089 int vps_id = get_bits(gb, 4);
459 1089 ptrdiff_t nal_size = gb->buffer_end - gb->buffer;
460 1089 int ret = AVERROR_INVALIDDATA;
461 HEVCVPS *vps;
462
463
2/2
✓ Branch 0 taken 450 times.
✓ Branch 1 taken 639 times.
1089 if (ps->vps_list[vps_id]) {
464 450 const HEVCVPS *vps1 = ps->vps_list[vps_id];
465
1/2
✓ Branch 0 taken 450 times.
✗ Branch 1 not taken.
450 if (vps1->data_size == nal_size &&
466
2/2
✓ Branch 0 taken 447 times.
✓ Branch 1 taken 3 times.
450 !memcmp(vps1->data, gb->buffer, vps1->data_size))
467 447 return 0;
468 }
469
470 642 vps = ff_refstruct_alloc_ext(sizeof(*vps), 0, NULL, hevc_vps_free);
471
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 642 times.
642 if (!vps)
472 return AVERROR(ENOMEM);
473
474 642 av_log(avctx, AV_LOG_DEBUG, "Decoding VPS\n");
475
476 642 vps->data_size = nal_size;
477 642 vps->data = av_memdup(gb->buffer, nal_size);
478
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 642 times.
642 if (!vps->data) {
479 ret = AVERROR(ENOMEM);
480 goto err;
481 }
482 642 vps->vps_id = vps_id;
483
484
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
642 if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
485 av_log(avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
486 goto err;
487 }
488
489 642 vps->vps_max_layers = get_bits(gb, 6) + 1;
490 642 vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
491 642 vps->vps_temporal_id_nesting_flag = get_bits1(gb);
492
493
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
642 if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
494 av_log(avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
495 goto err;
496 }
497
498
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 642 times.
642 if (vps->vps_max_sub_layers > HEVC_MAX_SUB_LAYERS) {
499 av_log(avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
500 vps->vps_max_sub_layers);
501 goto err;
502 }
503
504
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
642 if (parse_ptl(gb, avctx, &vps->ptl, vps->vps_max_sub_layers) < 0)
505 goto err;
506
507 642 vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
508
509
2/2
✓ Branch 0 taken 76 times.
✓ Branch 1 taken 566 times.
642 i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
510
2/2
✓ Branch 0 taken 700 times.
✓ Branch 1 taken 642 times.
1342 for (; i < vps->vps_max_sub_layers; i++) {
511 700 vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1;
512 700 vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb);
513 700 vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1;
514
515
2/4
✓ Branch 0 taken 700 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 700 times.
700 if (vps->vps_max_dec_pic_buffering[i] > HEVC_MAX_DPB_SIZE || !vps->vps_max_dec_pic_buffering[i]) {
516 av_log(avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
517 vps->vps_max_dec_pic_buffering[i] - 1);
518 goto err;
519 }
520
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 700 times.
700 if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
521 av_log(avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
522 vps->vps_num_reorder_pics[i]);
523 if (avctx->err_recognition & AV_EF_EXPLODE)
524 goto err;
525 }
526 }
527
528 642 vps->vps_max_layer_id = get_bits(gb, 6);
529 642 vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
530
2/4
✓ Branch 0 taken 642 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
✗ Branch 3 not taken.
642 if (vps->vps_num_layer_sets < 1 || vps->vps_num_layer_sets > 1024 ||
531
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
642 (vps->vps_num_layer_sets - 1LL) * (vps->vps_max_layer_id + 1LL) > get_bits_left(gb)) {
532 av_log(avctx, AV_LOG_ERROR, "too many layer_id_included_flags\n");
533 goto err;
534 }
535
536
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 642 times.
644 for (i = 1; i < vps->vps_num_layer_sets; i++)
537
2/2
✓ Branch 0 taken 4 times.
✓ Branch 1 taken 2 times.
6 for (j = 0; j <= vps->vps_max_layer_id; j++)
538 4 skip_bits(gb, 1); // layer_id_included_flag[i][j]
539
540 642 vps->vps_timing_info_present_flag = get_bits1(gb);
541
2/2
✓ Branch 0 taken 22 times.
✓ Branch 1 taken 620 times.
642 if (vps->vps_timing_info_present_flag) {
542 22 vps->vps_num_units_in_tick = get_bits_long(gb, 32);
543 22 vps->vps_time_scale = get_bits_long(gb, 32);
544 22 vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
545
1/2
✓ Branch 0 taken 22 times.
✗ Branch 1 not taken.
22 if (vps->vps_poc_proportional_to_timing_flag)
546 22 vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1;
547 22 vps->vps_num_hrd_parameters = get_ue_golomb_long(gb);
548
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22 times.
22 if (vps->vps_num_hrd_parameters > (unsigned)vps->vps_num_layer_sets) {
549 av_log(avctx, AV_LOG_ERROR,
550 "vps_num_hrd_parameters %d is invalid\n", vps->vps_num_hrd_parameters);
551 goto err;
552 }
553
554
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 19 times.
22 if (vps->vps_num_hrd_parameters) {
555 3 vps->hdr = av_calloc(vps->vps_num_hrd_parameters, sizeof(*vps->hdr));
556
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (!vps->hdr)
557 goto err;
558 }
559
560
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 22 times.
25 for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
561 3 int common_inf_present = 1;
562
563 3 get_ue_golomb_long(gb); // hrd_layer_set_idx
564
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (i)
565 common_inf_present = get_bits1(gb);
566 3 decode_hrd(gb, common_inf_present, &vps->hdr[i],
567 3 vps->vps_max_sub_layers);
568 }
569 }
570 642 get_bits1(gb); /* vps_extension_flag */
571
572
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 642 times.
642 if (get_bits_left(gb) < 0) {
573 av_log(avctx, AV_LOG_ERROR,
574 "Overread VPS by %d bits\n", -get_bits_left(gb));
575 if (ps->vps_list[vps_id])
576 goto err;
577 }
578
579 642 remove_vps(ps, vps_id);
580 642 ps->vps_list[vps_id] = vps;
581
582 642 return 0;
583
584 err:
585 ff_refstruct_unref(&vps);
586 return ret;
587 }
588
589 282 static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
590 int apply_defdispwin, HEVCSPS *sps)
591 {
592 282 VUI backup_vui, *vui = &sps->vui;
593 GetBitContext backup;
594 282 int alt = 0;
595
596 282 ff_h2645_decode_common_vui_params(gb, &sps->vui.common, avctx);
597
598
2/2
✓ Branch 0 taken 63 times.
✓ Branch 1 taken 219 times.
282 if (vui->common.video_signal_type_present_flag) {
599
4/4
✓ Branch 0 taken 10 times.
✓ Branch 1 taken 53 times.
✓ Branch 2 taken 5 times.
✓ Branch 3 taken 5 times.
63 if (vui->common.video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P)
600 5 sps->pix_fmt = AV_PIX_FMT_YUVJ420P;
601
2/2
✓ Branch 0 taken 58 times.
✓ Branch 1 taken 5 times.
63 if (vui->common.colour_description_present_flag) {
602
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 58 times.
58 if (vui->common.matrix_coeffs == AVCOL_SPC_RGB) {
603 switch (sps->pix_fmt) {
604 case AV_PIX_FMT_YUV444P:
605 sps->pix_fmt = AV_PIX_FMT_GBRP;
606 break;
607 case AV_PIX_FMT_YUV444P10:
608 sps->pix_fmt = AV_PIX_FMT_GBRP10;
609 break;
610 case AV_PIX_FMT_YUV444P12:
611 sps->pix_fmt = AV_PIX_FMT_GBRP12;
612 break;
613 }
614 }
615 }
616 }
617
618 282 vui->neutra_chroma_indication_flag = get_bits1(gb);
619 282 vui->field_seq_flag = get_bits1(gb);
620 282 vui->frame_field_info_present_flag = get_bits1(gb);
621
622 // Backup context in case an alternate header is detected
623 282 memcpy(&backup, gb, sizeof(backup));
624 282 memcpy(&backup_vui, vui, sizeof(backup_vui));
625
3/4
✓ Branch 1 taken 105 times.
✓ Branch 2 taken 177 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 105 times.
282 if (get_bits_left(gb) >= 68 && show_bits(gb, 21) == 0x100000) {
626 vui->default_display_window_flag = 0;
627 av_log(avctx, AV_LOG_WARNING, "Invalid default display window\n");
628 } else
629 282 vui->default_display_window_flag = get_bits1(gb);
630
631
2/2
✓ Branch 0 taken 168 times.
✓ Branch 1 taken 114 times.
282 if (vui->default_display_window_flag) {
632 114 int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
633 114 int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
634 114 vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
635 114 vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
636 114 vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
637 114 vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
638
639
2/2
✓ Branch 0 taken 60 times.
✓ Branch 1 taken 54 times.
114 if (apply_defdispwin &&
640
1/2
✓ Branch 0 taken 54 times.
✗ Branch 1 not taken.
54 avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
641 av_log(avctx, AV_LOG_DEBUG,
642 "discarding vui default display window, "
643 "original values are l:%u r:%u t:%u b:%u\n",
644 vui->def_disp_win.left_offset,
645 vui->def_disp_win.right_offset,
646 vui->def_disp_win.top_offset,
647 vui->def_disp_win.bottom_offset);
648
649 vui->def_disp_win.left_offset =
650 vui->def_disp_win.right_offset =
651 vui->def_disp_win.top_offset =
652 vui->def_disp_win.bottom_offset = 0;
653 }
654 }
655
656 282 timing_info:
657 282 vui->vui_timing_info_present_flag = get_bits1(gb);
658
659
2/2
✓ Branch 0 taken 105 times.
✓ Branch 1 taken 177 times.
282 if (vui->vui_timing_info_present_flag) {
660
1/4
✗ Branch 1 not taken.
✓ Branch 2 taken 105 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
105 if( get_bits_left(gb) < 66 && !alt) {
661 // The alternate syntax seem to have timing info located
662 // at where def_disp_win is normally located
663 av_log(avctx, AV_LOG_WARNING,
664 "Strange VUI timing information, retrying...\n");
665 memcpy(vui, &backup_vui, sizeof(backup_vui));
666 memcpy(gb, &backup, sizeof(backup));
667 alt = 1;
668 goto timing_info;
669 }
670 105 vui->vui_num_units_in_tick = get_bits_long(gb, 32);
671 105 vui->vui_time_scale = get_bits_long(gb, 32);
672
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 105 times.
105 if (alt) {
673 av_log(avctx, AV_LOG_INFO, "Retry got %"PRIu32"/%"PRIu32" fps\n",
674 vui->vui_time_scale, vui->vui_num_units_in_tick);
675 }
676 105 vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
677
2/2
✓ Branch 0 taken 38 times.
✓ Branch 1 taken 67 times.
105 if (vui->vui_poc_proportional_to_timing_flag)
678 38 vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);
679 105 vui->vui_hrd_parameters_present_flag = get_bits1(gb);
680
2/2
✓ Branch 0 taken 50 times.
✓ Branch 1 taken 55 times.
105 if (vui->vui_hrd_parameters_present_flag)
681 50 decode_hrd(gb, 1, &sps->hdr, sps->max_sub_layers);
682 }
683
684 282 vui->bitstream_restriction_flag = get_bits1(gb);
685
2/2
✓ Branch 0 taken 112 times.
✓ Branch 1 taken 170 times.
282 if (vui->bitstream_restriction_flag) {
686
1/4
✗ Branch 1 not taken.
✓ Branch 2 taken 112 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
112 if (get_bits_left(gb) < 8 && !alt) {
687 av_log(avctx, AV_LOG_WARNING,
688 "Strange VUI bitstream restriction information, retrying"
689 " from timing information...\n");
690 memcpy(vui, &backup_vui, sizeof(backup_vui));
691 memcpy(gb, &backup, sizeof(backup));
692 alt = 1;
693 goto timing_info;
694 }
695 112 vui->tiles_fixed_structure_flag = get_bits1(gb);
696 112 vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
697 112 vui->restricted_ref_pic_lists_flag = get_bits1(gb);
698 112 vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb);
699 112 vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb);
700 112 vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb);
701 112 vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb);
702 112 vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb);
703 }
704
705
1/4
✗ Branch 1 not taken.
✓ Branch 2 taken 282 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
282 if (get_bits_left(gb) < 1 && !alt) {
706 // XXX: Alternate syntax when sps_range_extension_flag != 0?
707 av_log(avctx, AV_LOG_WARNING,
708 "Overread in VUI, retrying from timing information...\n");
709 memcpy(vui, &backup_vui, sizeof(backup_vui));
710 memcpy(gb, &backup, sizeof(backup));
711 alt = 1;
712 goto timing_info;
713 }
714 282 }
715
716 162 static void set_default_scaling_list_data(ScalingList *sl)
717 {
718 int matrixId;
719
720
2/2
✓ Branch 0 taken 972 times.
✓ Branch 1 taken 162 times.
1134 for (matrixId = 0; matrixId < 6; matrixId++) {
721 // 4x4 default is 16
722 972 memset(sl->sl[0][matrixId], 16, 16);
723 972 sl->sl_dc[0][matrixId] = 16; // default for 16x16
724 972 sl->sl_dc[1][matrixId] = 16; // default for 32x32
725 }
726 162 memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
727 162 memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
728 162 memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
729 162 memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
730 162 memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
731 162 memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
732 162 memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
733 162 memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
734 162 memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
735 162 memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
736 162 memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
737 162 memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
738 162 memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
739 162 memcpy(sl->sl[3][1], default_scaling_list_intra, 64);
740 162 memcpy(sl->sl[3][2], default_scaling_list_intra, 64);
741 162 memcpy(sl->sl[3][3], default_scaling_list_inter, 64);
742 162 memcpy(sl->sl[3][4], default_scaling_list_inter, 64);
743 162 memcpy(sl->sl[3][5], default_scaling_list_inter, 64);
744 162 }
745
746 141 static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx,
747 ScalingList *sl, const HEVCSPS *sps)
748 {
749 uint8_t scaling_list_pred_mode_flag;
750 uint8_t scaling_list_dc_coef[2][6];
751 int size_id, matrix_id, pos;
752 int i;
753
754
2/2
✓ Branch 0 taken 564 times.
✓ Branch 1 taken 141 times.
705 for (size_id = 0; size_id < 4; size_id++)
755
4/4
✓ Branch 0 taken 282 times.
✓ Branch 1 taken 2538 times.
✓ Branch 2 taken 2820 times.
✓ Branch 3 taken 564 times.
3384 for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
756 2820 scaling_list_pred_mode_flag = get_bits1(gb);
757
2/2
✓ Branch 0 taken 759 times.
✓ Branch 1 taken 2061 times.
2820 if (!scaling_list_pred_mode_flag) {
758 759 unsigned int delta = get_ue_golomb_long(gb);
759 /* Only need to handle non-zero delta. Zero means default,
760 * which should already be in the arrays. */
761
2/2
✓ Branch 0 taken 633 times.
✓ Branch 1 taken 126 times.
759 if (delta) {
762 // Copy from previous array.
763
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 633 times.
633 delta *= (size_id == 3) ? 3 : 1;
764
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 633 times.
633 if (matrix_id < delta) {
765 av_log(avctx, AV_LOG_ERROR,
766 "Invalid delta in scaling list data: %d.\n", delta);
767 return AVERROR_INVALIDDATA;
768 }
769
770
2/2
✓ Branch 0 taken 400 times.
✓ Branch 1 taken 233 times.
633 memcpy(sl->sl[size_id][matrix_id],
771 633 sl->sl[size_id][matrix_id - delta],
772 size_id > 0 ? 64 : 16);
773
2/2
✓ Branch 0 taken 127 times.
✓ Branch 1 taken 506 times.
633 if (size_id > 1)
774 127 sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
775 }
776 } else {
777 int next_coef, coef_num;
778 int32_t scaling_list_delta_coef;
779
780 2061 next_coef = 8;
781 2061 coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
782
2/2
✓ Branch 0 taken 959 times.
✓ Branch 1 taken 1102 times.
2061 if (size_id > 1) {
783 959 int scaling_list_coeff_minus8 = get_se_golomb(gb);
784
2/4
✓ Branch 0 taken 959 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 959 times.
959 if (scaling_list_coeff_minus8 < -7 ||
785 scaling_list_coeff_minus8 > 247)
786 return AVERROR_INVALIDDATA;
787 959 scaling_list_dc_coef[size_id - 2][matrix_id] = scaling_list_coeff_minus8 + 8;
788 959 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
789 959 sl->sl_dc[size_id - 2][matrix_id] = next_coef;
790 }
791
2/2
✓ Branch 0 taken 103488 times.
✓ Branch 1 taken 2061 times.
105549 for (i = 0; i < coef_num; i++) {
792
2/2
✓ Branch 0 taken 9472 times.
✓ Branch 1 taken 94016 times.
103488 if (size_id == 0)
793 9472 pos = 4 * ff_hevc_diag_scan4x4_y[i] +
794 9472 ff_hevc_diag_scan4x4_x[i];
795 else
796 94016 pos = 8 * ff_hevc_diag_scan8x8_y[i] +
797 94016 ff_hevc_diag_scan8x8_x[i];
798
799 103488 scaling_list_delta_coef = get_se_golomb(gb);
800 103488 next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256;
801 103488 sl->sl[size_id][matrix_id][pos] = next_coef;
802 }
803 }
804 }
805
806
2/2
✓ Branch 0 taken 43 times.
✓ Branch 1 taken 98 times.
141 if (sps->chroma_format_idc == 3) {
807
2/2
✓ Branch 0 taken 2752 times.
✓ Branch 1 taken 43 times.
2795 for (i = 0; i < 64; i++) {
808 2752 sl->sl[3][1][i] = sl->sl[2][1][i];
809 2752 sl->sl[3][2][i] = sl->sl[2][2][i];
810 2752 sl->sl[3][4][i] = sl->sl[2][4][i];
811 2752 sl->sl[3][5][i] = sl->sl[2][5][i];
812 }
813 43 sl->sl_dc[1][1] = sl->sl_dc[0][1];
814 43 sl->sl_dc[1][2] = sl->sl_dc[0][2];
815 43 sl->sl_dc[1][4] = sl->sl_dc[0][4];
816 43 sl->sl_dc[1][5] = sl->sl_dc[0][5];
817 }
818
819
820 141 return 0;
821 }
822
823 1082 static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
824 {
825 const AVPixFmtDescriptor *desc;
826
3/5
✓ Branch 0 taken 926 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 133 times.
✓ Branch 3 taken 23 times.
✗ Branch 4 not taken.
1082 switch (sps->bit_depth) {
827 926 case 8:
828
2/2
✓ Branch 0 taken 4 times.
✓ Branch 1 taken 922 times.
926 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8;
829
2/2
✓ Branch 0 taken 913 times.
✓ Branch 1 taken 13 times.
926 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P;
830
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 926 times.
926 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P;
831
2/2
✓ Branch 0 taken 9 times.
✓ Branch 1 taken 917 times.
926 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P;
832 926 break;
833 case 9:
834 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY9;
835 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9;
836 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9;
837 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9;
838 break;
839 133 case 10:
840
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 133 times.
133 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10;
841
2/2
✓ Branch 0 taken 104 times.
✓ Branch 1 taken 29 times.
133 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10;
842
2/2
✓ Branch 0 taken 29 times.
✓ Branch 1 taken 104 times.
133 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10;
843
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 133 times.
133 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
844 133 break;
845 23 case 12:
846
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23 times.
23 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12;
847
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23 times.
23 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
848
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23 times.
23 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
849
1/2
✓ Branch 0 taken 23 times.
✗ Branch 1 not taken.
23 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;
850 23 break;
851 default:
852 av_log(avctx, AV_LOG_ERROR,
853 "The following bit-depths are currently specified: 8, 9, 10 and 12 bits, "
854 "chroma_format_idc is %d, depth is %d\n",
855 sps->chroma_format_idc, sps->bit_depth);
856 return AVERROR_INVALIDDATA;
857 }
858
859 1082 desc = av_pix_fmt_desc_get(sps->pix_fmt);
860
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (!desc)
861 return AVERROR(EINVAL);
862
863 1082 sps->hshift[0] = sps->vshift[0] = 0;
864 1082 sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
865 1082 sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
866
867 1082 sps->pixel_shift = sps->bit_depth > 8;
868
869 1082 return 0;
870 }
871
872 1082 int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
873 int apply_defdispwin, const HEVCVPS * const *vps_list,
874 AVCodecContext *avctx)
875 {
876 HEVCWindow *ow;
877 1082 int ret = 0;
878 int bit_depth_chroma, start, num_comps;
879 int i;
880
881 // Coded parameters
882
883 1082 sps->vps_id = get_bits(gb, 4);
884
885
1/2
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
1082 if (vps_list) {
886
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (!vps_list[sps->vps_id]) {
887 av_log(avctx, AV_LOG_ERROR, "VPS %d does not exist\n",
888 sps->vps_id);
889 return AVERROR_INVALIDDATA;
890 }
891 1082 sps->vps = ff_refstruct_ref_c(vps_list[sps->vps_id]);
892 }
893
894 1082 sps->max_sub_layers = get_bits(gb, 3) + 1;
895
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->max_sub_layers > HEVC_MAX_SUB_LAYERS) {
896 av_log(avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",
897 sps->max_sub_layers);
898 return AVERROR_INVALIDDATA;
899 }
900
901 1082 sps->temporal_id_nesting = get_bits(gb, 1);
902
903
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1082 times.
1082 if ((ret = parse_ptl(gb, avctx, &sps->ptl, sps->max_sub_layers)) < 0)
904 return ret;
905
906 1082 *sps_id = get_ue_golomb_long(gb);
907
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (*sps_id >= HEVC_MAX_SPS_COUNT) {
908 av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", *sps_id);
909 return AVERROR_INVALIDDATA;
910 }
911
912 1082 sps->chroma_format_idc = get_ue_golomb_long(gb);
913
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->chroma_format_idc > 3U) {
914 av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc);
915 return AVERROR_INVALIDDATA;
916 }
917
918
2/2
✓ Branch 0 taken 32 times.
✓ Branch 1 taken 1050 times.
1082 if (sps->chroma_format_idc == 3)
919 32 sps->separate_colour_plane = get_bits1(gb);
920
921
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->separate_colour_plane)
922 sps->chroma_format_idc = 0;
923
924 1082 sps->width = get_ue_golomb_long(gb);
925 1082 sps->height = get_ue_golomb_long(gb);
926
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if ((ret = av_image_check_size(sps->width,
927 1082 sps->height, 0, avctx)) < 0)
928 return ret;
929
930 1082 sps->conformance_window = get_bits1(gb);
931
2/2
✓ Branch 0 taken 891 times.
✓ Branch 1 taken 191 times.
1082 if (sps->conformance_window) {
932 891 int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
933 891 int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
934 891 sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
935 891 sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
936 891 sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
937 891 sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
938
939
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 891 times.
891 if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
940 av_log(avctx, AV_LOG_DEBUG,
941 "discarding sps conformance window, "
942 "original values are l:%u r:%u t:%u b:%u\n",
943 sps->pic_conf_win.left_offset,
944 sps->pic_conf_win.right_offset,
945 sps->pic_conf_win.top_offset,
946 sps->pic_conf_win.bottom_offset);
947
948 sps->pic_conf_win.left_offset =
949 sps->pic_conf_win.right_offset =
950 sps->pic_conf_win.top_offset =
951 sps->pic_conf_win.bottom_offset = 0;
952 }
953 891 sps->output_window = sps->pic_conf_win;
954 }
955
956 1082 sps->bit_depth = get_ue_golomb_31(gb) + 8;
957
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->bit_depth > 16) {
958 av_log(avctx, AV_LOG_ERROR, "Luma bit depth (%d) is out of range\n",
959 sps->bit_depth);
960 return AVERROR_INVALIDDATA;
961 }
962 1082 bit_depth_chroma = get_ue_golomb_31(gb) + 8;
963
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (bit_depth_chroma > 16) {
964 av_log(avctx, AV_LOG_ERROR, "Chroma bit depth (%d) is out of range\n",
965 bit_depth_chroma);
966 return AVERROR_INVALIDDATA;
967 }
968
3/4
✓ Branch 0 taken 1078 times.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1078 times.
1082 if (sps->chroma_format_idc && bit_depth_chroma != sps->bit_depth) {
969 av_log(avctx, AV_LOG_ERROR,
970 "Luma bit depth (%d) is different from chroma bit depth (%d), "
971 "this is unsupported.\n",
972 sps->bit_depth, bit_depth_chroma);
973 return AVERROR_INVALIDDATA;
974 }
975 1082 sps->bit_depth_chroma = bit_depth_chroma;
976
977 1082 ret = map_pixel_format(avctx, sps);
978
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (ret < 0)
979 return ret;
980
981 1082 sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
982
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_max_poc_lsb > 16) {
983 av_log(avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
984 sps->log2_max_poc_lsb - 4);
985 return AVERROR_INVALIDDATA;
986 }
987
988 1082 sps->sublayer_ordering_info = get_bits1(gb);
989
2/2
✓ Branch 0 taken 152 times.
✓ Branch 1 taken 930 times.
1082 start = sps->sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
990
2/2
✓ Branch 0 taken 1229 times.
✓ Branch 1 taken 1082 times.
2311 for (i = start; i < sps->max_sub_layers; i++) {
991 1229 sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1;
992 1229 sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb);
993 1229 sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1;
994
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1229 times.
1229 if (sps->temporal_layer[i].max_dec_pic_buffering > (unsigned)HEVC_MAX_DPB_SIZE) {
995 av_log(avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
996 sps->temporal_layer[i].max_dec_pic_buffering - 1U);
997 return AVERROR_INVALIDDATA;
998 }
999
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1229 times.
1229 if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
1000 av_log(avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
1001 sps->temporal_layer[i].num_reorder_pics);
1002 if (avctx->err_recognition & AV_EF_EXPLODE ||
1003 sps->temporal_layer[i].num_reorder_pics > HEVC_MAX_DPB_SIZE - 1) {
1004 return AVERROR_INVALIDDATA;
1005 }
1006 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1;
1007 }
1008 }
1009
1010
2/2
✓ Branch 0 taken 152 times.
✓ Branch 1 taken 930 times.
1082 if (!sps->sublayer_ordering_info) {
1011
2/2
✓ Branch 0 taken 82 times.
✓ Branch 1 taken 152 times.
234 for (i = 0; i < start; i++) {
1012 82 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
1013 82 sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
1014 82 sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
1015 }
1016 }
1017
1018 1082 sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
1019 1082 sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb);
1020 1082 sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
1021 1082 sps->log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
1022 1082 sps->log2_max_trafo_size = sps->log2_diff_max_min_transform_block_size +
1023 1082 sps->log2_min_tb_size;
1024
1025
2/4
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1082 times.
1082 if (sps->log2_min_cb_size < 3 || sps->log2_min_cb_size > 30) {
1026 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_min_cb_size", sps->log2_min_cb_size);
1027 return AVERROR_INVALIDDATA;
1028 }
1029
1030
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_diff_max_min_coding_block_size > 30) {
1031 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_coding_block_size", sps->log2_diff_max_min_coding_block_size);
1032 return AVERROR_INVALIDDATA;
1033 }
1034
1035
2/4
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1082 times.
1082 if (sps->log2_min_tb_size >= sps->log2_min_cb_size || sps->log2_min_tb_size < 2) {
1036 av_log(avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
1037 return AVERROR_INVALIDDATA;
1038 }
1039
1040
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_diff_max_min_transform_block_size > 30) {
1041 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_transform_block_size",
1042 sps->log2_diff_max_min_transform_block_size);
1043 return AVERROR_INVALIDDATA;
1044 }
1045
1046 1082 sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
1047 1082 sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
1048
1049 1082 sps->scaling_list_enabled = get_bits1(gb);
1050
2/2
✓ Branch 0 taken 47 times.
✓ Branch 1 taken 1035 times.
1082 if (sps->scaling_list_enabled) {
1051 47 set_default_scaling_list_data(&sps->scaling_list);
1052
1053
2/2
✓ Branch 1 taken 26 times.
✓ Branch 2 taken 21 times.
47 if (get_bits1(gb)) {
1054 26 ret = scaling_list_data(gb, avctx, &sps->scaling_list, sps);
1055
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26 times.
26 if (ret < 0)
1056 return ret;
1057 }
1058 }
1059
1060 1082 sps->amp_enabled = get_bits1(gb);
1061 1082 sps->sao_enabled = get_bits1(gb);
1062
1063 1082 sps->pcm_enabled = get_bits1(gb);
1064
2/2
✓ Branch 0 taken 75 times.
✓ Branch 1 taken 1007 times.
1082 if (sps->pcm_enabled) {
1065 75 sps->pcm.bit_depth = get_bits(gb, 4) + 1;
1066 75 sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
1067 75 sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
1068 150 sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
1069 75 get_ue_golomb_long(gb);
1070
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 75 times.
75 if (FFMAX(sps->pcm.bit_depth, sps->pcm.bit_depth_chroma) > sps->bit_depth) {
1071 av_log(avctx, AV_LOG_ERROR,
1072 "PCM bit depth (%d, %d) is greater than normal bit depth (%d)\n",
1073 sps->pcm.bit_depth, sps->pcm.bit_depth_chroma, sps->bit_depth);
1074 return AVERROR_INVALIDDATA;
1075 }
1076
1077 75 sps->pcm_loop_filter_disabled = get_bits1(gb);
1078 }
1079
1080 1082 sps->nb_st_rps = get_ue_golomb_long(gb);
1081
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->nb_st_rps > HEVC_MAX_SHORT_TERM_REF_PIC_SETS) {
1082 av_log(avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
1083 sps->nb_st_rps);
1084 return AVERROR_INVALIDDATA;
1085 }
1086
2/2
✓ Branch 0 taken 9347 times.
✓ Branch 1 taken 1082 times.
10429 for (i = 0; i < sps->nb_st_rps; i++) {
1087
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9347 times.
9347 if ((ret = ff_hevc_decode_short_term_rps(gb, avctx, &sps->st_rps[i],
1088 sps, 0)) < 0)
1089 return ret;
1090 }
1091
1092 1082 sps->long_term_ref_pics_present = get_bits1(gb);
1093
2/2
✓ Branch 0 taken 101 times.
✓ Branch 1 taken 981 times.
1082 if (sps->long_term_ref_pics_present) {
1094 101 sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb);
1095
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 101 times.
101 if (sps->num_long_term_ref_pics_sps > HEVC_MAX_LONG_TERM_REF_PICS) {
1096 av_log(avctx, AV_LOG_ERROR, "Too many long term ref pics: %d.\n",
1097 sps->num_long_term_ref_pics_sps);
1098 return AVERROR_INVALIDDATA;
1099 }
1100
1101 101 sps->used_by_curr_pic_lt = 0;
1102
2/2
✓ Branch 0 taken 64 times.
✓ Branch 1 taken 101 times.
165 for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
1103 64 sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
1104 64 sps->used_by_curr_pic_lt |= get_bits1(gb) * (1 << i);
1105 }
1106 }
1107
1108 1082 sps->temporal_mvp_enabled = get_bits1(gb);
1109 1082 sps->strong_intra_smoothing_enabled = get_bits1(gb);
1110 1082 sps->vui.common.sar = (AVRational){0, 1};
1111 1082 sps->vui_present = get_bits1(gb);
1112
2/2
✓ Branch 0 taken 282 times.
✓ Branch 1 taken 800 times.
1082 if (sps->vui_present)
1113 282 decode_vui(gb, avctx, apply_defdispwin, sps);
1114
1115 1082 sps->extension_present = get_bits1(gb);
1116
2/2
✓ Branch 0 taken 76 times.
✓ Branch 1 taken 1006 times.
1082 if (sps->extension_present) {
1117 76 sps->range_extension = get_bits1(gb);
1118 76 sps->multilayer_extension = get_bits1(gb);
1119 76 sps->sps_3d_extension = get_bits1(gb);
1120 76 sps->scc_extension = get_bits1(gb);
1121 76 skip_bits(gb, 4); // sps_extension_4bits
1122
1123
2/2
✓ Branch 0 taken 56 times.
✓ Branch 1 taken 20 times.
76 if (sps->range_extension) {
1124 56 sps->transform_skip_rotation_enabled = get_bits1(gb);
1125 56 sps->transform_skip_context_enabled = get_bits1(gb);
1126 56 sps->implicit_rdpcm_enabled = get_bits1(gb);
1127 56 sps->explicit_rdpcm_enabled = get_bits1(gb);
1128
1129 56 sps->extended_precision_processing = get_bits1(gb);
1130
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 56 times.
56 if (sps->extended_precision_processing)
1131 av_log(avctx, AV_LOG_WARNING,
1132 "extended_precision_processing_flag not yet implemented\n");
1133
1134 56 sps->intra_smoothing_disabled = get_bits1(gb);
1135 56 sps->high_precision_offsets_enabled = get_bits1(gb);
1136
2/2
✓ Branch 0 taken 38 times.
✓ Branch 1 taken 18 times.
56 if (sps->high_precision_offsets_enabled)
1137 38 av_log(avctx, AV_LOG_WARNING,
1138 "high_precision_offsets_enabled_flag not yet implemented\n");
1139
1140 56 sps->persistent_rice_adaptation_enabled = get_bits1(gb);
1141
1142 56 sps->cabac_bypass_alignment_enabled = get_bits1(gb);
1143
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 56 times.
56 if (sps->cabac_bypass_alignment_enabled)
1144 av_log(avctx, AV_LOG_WARNING,
1145 "cabac_bypass_alignment_enabled_flag not yet implemented\n");
1146 }
1147
1148
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 76 times.
76 if (sps->multilayer_extension) {
1149 skip_bits1(gb); // inter_view_mv_vert_constraint_flag
1150 av_log(avctx, AV_LOG_WARNING,
1151 "sps_multilayer_extension_flag not yet implemented\n");
1152 }
1153
1154
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 76 times.
76 if (sps->sps_3d_extension) {
1155 for (i = 0; i <= 1; i++) {
1156 skip_bits1(gb); // iv_di_mc_enabled_flag
1157 skip_bits1(gb); // iv_mv_scal_enabled_flag
1158 if (i == 0) {
1159 get_ue_golomb_long(gb); // log2_ivmc_sub_pb_size_minus3
1160 skip_bits1(gb); // iv_res_pred_enabled_flag
1161 skip_bits1(gb); // depth_ref_enabled_flag
1162 skip_bits1(gb); // vsp_mc_enabled_flag
1163 skip_bits1(gb); // dbbp_enabled_flag
1164 } else {
1165 skip_bits1(gb); // tex_mc_enabled_flag
1166 get_ue_golomb_long(gb); // log2_ivmc_sub_pb_size_minus3
1167 skip_bits1(gb); // intra_contour_enabled_flag
1168 skip_bits1(gb); // intra_dc_only_wedge_enabled_flag
1169 skip_bits1(gb); // cqt_cu_part_pred_enabled_flag
1170 skip_bits1(gb); // inter_dc_only_enabled_flag
1171 skip_bits1(gb); // skip_intra_enabled_flag
1172 }
1173 }
1174 av_log(avctx, AV_LOG_WARNING,
1175 "sps_3d_extension_flag not yet implemented\n");
1176 }
1177
1178
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 76 times.
76 if (sps->scc_extension) {
1179 sps->curr_pic_ref_enabled = get_bits1(gb);
1180 sps->palette_mode_enabled = get_bits1(gb);
1181 if (sps->palette_mode_enabled) {
1182 sps->palette_max_size = get_ue_golomb(gb);
1183 sps->delta_palette_max_predictor_size = get_ue_golomb(gb);
1184 sps->palette_predictor_initializers_present = get_bits1(gb);
1185
1186 if (sps->palette_predictor_initializers_present) {
1187 sps->sps_num_palette_predictor_initializers = get_ue_golomb(gb) + 1;
1188 if (sps->sps_num_palette_predictor_initializers > HEVC_MAX_PALETTE_PREDICTOR_SIZE) {
1189 av_log(avctx, AV_LOG_ERROR,
1190 "sps_num_palette_predictor_initializers out of range: %u\n",
1191 sps->sps_num_palette_predictor_initializers);
1192 return AVERROR_INVALIDDATA;
1193 }
1194 num_comps = !sps->chroma_format_idc ? 1 : 3;
1195 for (int comp = 0; comp < num_comps; comp++) {
1196 int bit_depth = !comp ? sps->bit_depth : sps->bit_depth_chroma;
1197 for (i = 0; i < sps->sps_num_palette_predictor_initializers; i++)
1198 sps->sps_palette_predictor_initializer[comp][i] = get_bits(gb, bit_depth);
1199 }
1200 }
1201 }
1202 sps->motion_vector_resolution_control_idc = get_bits(gb, 2);
1203 sps->intra_boundary_filtering_disabled = get_bits1(gb);
1204 }
1205 }
1206
2/2
✓ Branch 0 taken 433 times.
✓ Branch 1 taken 649 times.
1082 if (apply_defdispwin) {
1207 433 sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
1208 433 sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
1209 433 sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
1210 433 sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
1211 }
1212
1213 1082 ow = &sps->output_window;
1214
1/2
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
1082 if (ow->left_offset >= INT_MAX - ow->right_offset ||
1215
1/2
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
1082 ow->top_offset >= INT_MAX - ow->bottom_offset ||
1216
1/2
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
1082 ow->left_offset + ow->right_offset >= sps->width ||
1217
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 ow->top_offset + ow->bottom_offset >= sps->height) {
1218 av_log(avctx, AV_LOG_WARNING, "Invalid cropping offsets: %u/%u/%u/%u\n",
1219 ow->left_offset, ow->right_offset, ow->top_offset, ow->bottom_offset);
1220 if (avctx->err_recognition & AV_EF_EXPLODE) {
1221 return AVERROR_INVALIDDATA;
1222 }
1223 av_log(avctx, AV_LOG_WARNING,
1224 "Displaying the whole video surface.\n");
1225 memset(ow, 0, sizeof(*ow));
1226 memset(&sps->pic_conf_win, 0, sizeof(sps->pic_conf_win));
1227 }
1228
1229 // Inferred parameters
1230 1082 sps->log2_ctb_size = sps->log2_min_cb_size +
1231 1082 sps->log2_diff_max_min_coding_block_size;
1232 1082 sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
1233
1234
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_ctb_size > HEVC_MAX_LOG2_CTB_SIZE) {
1235 av_log(avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
1236 return AVERROR_INVALIDDATA;
1237 }
1238
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_ctb_size < 4) {
1239 av_log(avctx,
1240 AV_LOG_ERROR,
1241 "log2_ctb_size %d differs from the bounds of any known profile\n",
1242 sps->log2_ctb_size);
1243 avpriv_request_sample(avctx, "log2_ctb_size %d", sps->log2_ctb_size);
1244 return AVERROR_INVALIDDATA;
1245 }
1246
1247 1082 sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1248 1082 sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1249 1082 sps->ctb_size = sps->ctb_width * sps->ctb_height;
1250
1251 1082 sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
1252 1082 sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
1253 1082 sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
1254 1082 sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
1255 1082 sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
1256 1082 sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
1257 1082 sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1;
1258
1259 1082 sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
1260
1261
1/2
✓ Branch 0 taken 1082 times.
✗ Branch 1 not taken.
1082 if (av_zero_extend(sps->width, sps->log2_min_cb_size) ||
1262
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 av_zero_extend(sps->height, sps->log2_min_cb_size)) {
1263 av_log(avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
1264 return AVERROR_INVALIDDATA;
1265 }
1266
1267
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_tb_size) {
1268 av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
1269 sps->max_transform_hierarchy_depth_inter);
1270 return AVERROR_INVALIDDATA;
1271 }
1272
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_tb_size) {
1273 av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
1274 sps->max_transform_hierarchy_depth_intra);
1275 return AVERROR_INVALIDDATA;
1276 }
1277
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
1278 av_log(avctx, AV_LOG_ERROR,
1279 "max transform block size out of range: %d\n",
1280 sps->log2_max_trafo_size);
1281 return AVERROR_INVALIDDATA;
1282 }
1283
1284
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1082 times.
1082 if (get_bits_left(gb) < 0) {
1285 av_log(avctx, AV_LOG_ERROR,
1286 "Overread SPS by %d bits\n", -get_bits_left(gb));
1287 return AVERROR_INVALIDDATA;
1288 }
1289
1290 1082 return 0;
1291 }
1292
1293 1082 static void hevc_sps_free(FFRefStructOpaque opaque, void *obj)
1294 {
1295 1082 HEVCSPS *sps = obj;
1296
1297 1082 ff_refstruct_unref(&sps->vps);
1298
1299 1082 av_freep(&sps->data);
1300 1082 }
1301
1302 438 static int compare_sps(const HEVCSPS *sps1, const HEVCSPS *sps2)
1303 {
1304
2/2
✓ Branch 0 taken 434 times.
✓ Branch 1 taken 4 times.
872 return sps1->data_size == sps2->data_size &&
1305
2/2
✓ Branch 0 taken 430 times.
✓ Branch 1 taken 4 times.
434 !memcmp(sps1->data, sps2->data, sps1->data_size);
1306 }
1307
1308 1082 int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx,
1309 HEVCParamSets *ps, int apply_defdispwin)
1310 {
1311 1082 HEVCSPS *sps = ff_refstruct_alloc_ext(sizeof(*sps), 0, NULL, hevc_sps_free);
1312 unsigned int sps_id;
1313 int ret;
1314
1315
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (!sps)
1316 return AVERROR(ENOMEM);
1317
1318 1082 av_log(avctx, AV_LOG_DEBUG, "Decoding SPS\n");
1319
1320 1082 sps->data_size = gb->buffer_end - gb->buffer;
1321 1082 sps->data = av_memdup(gb->buffer, sps->data_size);
1322
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (!sps->data) {
1323 ret = AVERROR(ENOMEM);
1324 goto err;
1325 }
1326
1327 1082 ret = ff_hevc_parse_sps(sps, gb, &sps_id,
1328 apply_defdispwin,
1329 1082 ps->vps_list, avctx);
1330
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (ret < 0)
1331 goto err;
1332
1333
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1082 times.
1082 if (avctx->debug & FF_DEBUG_BITSTREAM) {
1334 av_log(avctx, AV_LOG_DEBUG,
1335 "Parsed SPS: id %d; coded wxh: %dx%d; "
1336 "cropped wxh: %dx%d; pix_fmt: %s.\n",
1337 sps_id, sps->width, sps->height,
1338 sps->width - (sps->output_window.left_offset + sps->output_window.right_offset),
1339 sps->height - (sps->output_window.top_offset + sps->output_window.bottom_offset),
1340 av_get_pix_fmt_name(sps->pix_fmt));
1341 }
1342
1343 /* check if this is a repeat of an already parsed SPS, then keep the
1344 * original one.
1345 * otherwise drop all PPSes that depend on it */
1346
4/4
✓ Branch 0 taken 438 times.
✓ Branch 1 taken 644 times.
✓ Branch 2 taken 430 times.
✓ Branch 3 taken 8 times.
1520 if (ps->sps_list[sps_id] &&
1347 438 compare_sps(ps->sps_list[sps_id], sps)) {
1348 430 ff_refstruct_unref(&sps);
1349 } else {
1350 652 remove_sps(ps, sps_id);
1351 652 ps->sps_list[sps_id] = sps;
1352 }
1353
1354 1082 return 0;
1355 err:
1356 ff_refstruct_unref(&sps);
1357 return ret;
1358 }
1359
1360 2106 static void hevc_pps_free(FFRefStructOpaque unused, void *obj)
1361 {
1362 2106 HEVCPPS *pps = obj;
1363
1364 2106 ff_refstruct_unref(&pps->sps);
1365
1366 2106 av_freep(&pps->column_width);
1367 2106 av_freep(&pps->row_height);
1368 2106 av_freep(&pps->col_bd);
1369 2106 av_freep(&pps->row_bd);
1370 2106 av_freep(&pps->col_idxX);
1371 2106 av_freep(&pps->ctb_addr_rs_to_ts);
1372 2106 av_freep(&pps->ctb_addr_ts_to_rs);
1373 2106 av_freep(&pps->tile_pos_rs);
1374 2106 av_freep(&pps->tile_id);
1375 2106 av_freep(&pps->min_tb_addr_zs_tab);
1376 2106 av_freep(&pps->data);
1377 2106 }
1378
1379 3 static void colour_mapping_octants(GetBitContext *gb, HEVCPPS *pps, int inp_depth,
1380 int idx_y, int idx_cb, int idx_cr, int inp_length)
1381 {
1382 unsigned int split_octant_flag, part_num_y, coded_res_flag, res_coeff_q, res_coeff_r;
1383 int cm_res_bits;
1384
1385 3 part_num_y = 1 << pps->cm_y_part_num_log2;
1386
1387
1/2
✓ Branch 0 taken 3 times.
✗ Branch 1 not taken.
3 split_octant_flag = inp_depth < pps->cm_octant_depth ? get_bits1(gb) : 0;
1388
1389
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (split_octant_flag)
1390 for (int k = 0; k < 2; k++)
1391 for (int m = 0; m < 2; m++)
1392 for (int n = 0; n < 2; n++)
1393 colour_mapping_octants(gb, pps, inp_depth + 1,
1394 idx_y + part_num_y * k * inp_length / 2,
1395 idx_cb + m * inp_length / 2,
1396 idx_cr + n * inp_length / 2,
1397 inp_length / 2);
1398 else
1399
2/2
✓ Branch 0 taken 24 times.
✓ Branch 1 taken 3 times.
27 for (int i = 0; i < part_num_y; i++) {
1400
2/2
✓ Branch 0 taken 96 times.
✓ Branch 1 taken 24 times.
120 for (int j = 0; j < 4; j++) {
1401 96 coded_res_flag = get_bits1(gb);
1402
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 96 times.
96 if (coded_res_flag)
1403 for (int c = 0; c < 3; c++) {
1404 res_coeff_q = get_ue_golomb_long(gb);
1405 cm_res_bits = FFMAX(0, 10 + pps->luma_bit_depth_cm_input -
1406 pps->luma_bit_depth_cm_output -
1407 pps->cm_res_quant_bits - pps->cm_delta_flc_bits);
1408 res_coeff_r = cm_res_bits ? get_bits(gb, cm_res_bits) : 0;
1409 if (res_coeff_q || res_coeff_r)
1410 skip_bits1(gb);
1411 }
1412 }
1413 }
1414 3 }
1415
1416 3 static int colour_mapping_table(GetBitContext *gb, AVCodecContext *avctx, HEVCPPS *pps)
1417 {
1418 3 pps->num_cm_ref_layers = get_ue_golomb(gb) + 1;
1419
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (pps->num_cm_ref_layers > 62) {
1420 av_log(avctx, AV_LOG_ERROR,
1421 "num_cm_ref_layers_minus1 shall be in the range [0, 61].\n");
1422 return AVERROR_INVALIDDATA;
1423 }
1424
2/2
✓ Branch 0 taken 9 times.
✓ Branch 1 taken 3 times.
12 for (int i = 0; i < pps->num_cm_ref_layers; i++)
1425 9 pps->cm_ref_layer_id[i] = get_bits(gb, 6);
1426
1427 3 pps->cm_octant_depth = get_bits(gb, 2);
1428 3 pps->cm_y_part_num_log2 = get_bits(gb, 2);
1429
1430 3 pps->luma_bit_depth_cm_input = get_ue_golomb(gb) + 8;
1431 3 pps->chroma_bit_depth_cm_input = get_ue_golomb(gb) + 8;
1432 3 pps->luma_bit_depth_cm_output = get_ue_golomb(gb) + 8;
1433 3 pps->chroma_bit_depth_cm_output = get_ue_golomb(gb) + 8;
1434
1435 3 pps->cm_res_quant_bits = get_bits(gb, 2);
1436 3 pps->cm_delta_flc_bits = get_bits(gb, 2) + 1;
1437
1438
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (pps->cm_octant_depth == 1) {
1439 pps->cm_adapt_threshold_u_delta = get_se_golomb_long(gb);
1440 pps->cm_adapt_threshold_v_delta = get_se_golomb_long(gb);
1441 }
1442
1443 3 colour_mapping_octants(gb, pps, 0, 0, 0, 0, 1 << pps->cm_octant_depth);
1444
1445 3 return 0;
1446 }
1447
1448 3 static int pps_multilayer_extension(GetBitContext *gb, AVCodecContext *avctx,
1449 HEVCPPS *pps, const HEVCSPS *sps, const HEVCVPS *vps)
1450 {
1451 3 pps->poc_reset_info_present_flag = get_bits1(gb);
1452 3 pps->pps_infer_scaling_list_flag = get_bits1(gb);
1453
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (pps->pps_infer_scaling_list_flag)
1454 pps->pps_scaling_list_ref_layer_id = get_bits(gb, 6);
1455
1456 3 pps->num_ref_loc_offsets = get_ue_golomb(gb);
1457
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (pps->num_ref_loc_offsets > vps->vps_max_layers - 1)
1458 return AVERROR_INVALIDDATA;
1459
1460
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 for (int i = 0; i < pps->num_ref_loc_offsets; i++) {
1461 pps->ref_loc_offset_layer_id[i] = get_bits(gb, 6);
1462 pps->scaled_ref_layer_offset_present_flag[i] = get_bits1(gb);
1463 if (pps->scaled_ref_layer_offset_present_flag[i]) {
1464 pps->scaled_ref_layer_left_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1465 pps->scaled_ref_layer_top_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1466 pps->scaled_ref_layer_right_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1467 pps->scaled_ref_layer_bottom_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1468 }
1469
1470 pps->ref_region_offset_present_flag[i] = get_bits1(gb);
1471 if (pps->ref_region_offset_present_flag[i]) {
1472 pps->ref_region_left_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1473 pps->ref_region_top_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1474 pps->ref_region_right_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1475 pps->ref_region_bottom_offset[pps->ref_loc_offset_layer_id[i]] = get_se_golomb_long(gb);
1476 }
1477
1478 pps->resample_phase_set_present_flag[i] = get_bits1(gb);
1479 if (pps->resample_phase_set_present_flag[i]) {
1480 pps->phase_hor_luma[pps->ref_loc_offset_layer_id[i]] = get_ue_golomb_31(gb);
1481 pps->phase_ver_luma[pps->ref_loc_offset_layer_id[i]] = get_ue_golomb_31(gb);
1482 pps->phase_hor_chroma[pps->ref_loc_offset_layer_id[i]] = get_ue_golomb(gb) - 8;
1483 pps->phase_ver_chroma[pps->ref_loc_offset_layer_id[i]] = get_ue_golomb(gb) - 8;
1484 }
1485 }
1486
1487 3 pps->colour_mapping_enabled_flag = get_bits1(gb);
1488
1/2
✓ Branch 0 taken 3 times.
✗ Branch 1 not taken.
3 if (pps->colour_mapping_enabled_flag) {
1489 3 int ret = colour_mapping_table(gb, avctx, pps);
1490
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3 times.
3 if (ret < 0)
1491 return ret;
1492 }
1493
1494 3 return 0;
1495 }
1496
1497 static void delta_dlt(GetBitContext *gb, HEVCPPS *pps)
1498 {
1499 unsigned int num_val_delta_dlt, max_diff = 0;
1500 int min_diff_minus1 = -1;
1501 unsigned int len;
1502
1503 num_val_delta_dlt = get_bits(gb, pps->pps_bit_depth_for_depth_layers_minus8 + 8);
1504 if (num_val_delta_dlt) {
1505 if (num_val_delta_dlt > 1)
1506 max_diff = get_bits(gb, pps->pps_bit_depth_for_depth_layers_minus8 + 8);
1507 if (num_val_delta_dlt > 2 && max_diff) {
1508 len = av_log2(max_diff) + 1;
1509 min_diff_minus1 = get_bits(gb, len);
1510 }
1511 if (max_diff > (min_diff_minus1 + 1))
1512 for (int k = 1; k < num_val_delta_dlt; k++) {
1513 len = av_log2(max_diff - (min_diff_minus1 + 1)) + 1;
1514 skip_bits(gb, len); // delta_val_diff_minus_min
1515 }
1516 }
1517 }
1518
1519 3 static int pps_3d_extension(GetBitContext *gb, AVCodecContext *avctx,
1520 HEVCPPS *pps, const HEVCSPS *sps)
1521 {
1522 unsigned int pps_depth_layers_minus1;
1523
1524
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3 times.
3 if (get_bits1(gb)) { // dlts_present_flag
1525 pps_depth_layers_minus1 = get_bits(gb, 6);
1526 pps->pps_bit_depth_for_depth_layers_minus8 = get_bits(gb, 4);
1527 for (int i = 0; i <= pps_depth_layers_minus1; i++) {
1528 if (get_bits1(gb)) { // dlt_flag[i]
1529 if (!get_bits1(gb)) { // dlt_pred_flag[i]
1530 if (get_bits1(gb)) { // dlt_val_flags_present_flag[i]
1531 for (int j = 0; j <= ((1 << (pps->pps_bit_depth_for_depth_layers_minus8 + 8)) - 1); j++)
1532 skip_bits1(gb); // dlt_value_flag[i][j]
1533 } else
1534 delta_dlt(gb, pps);
1535 }
1536 }
1537 }
1538 }
1539
1540 3 return 0;
1541 }
1542
1543 63 static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx,
1544 HEVCPPS *pps, const HEVCSPS *sps)
1545 {
1546
1/2
✓ Branch 0 taken 63 times.
✗ Branch 1 not taken.
63 if (pps->transform_skip_enabled_flag) {
1547 63 pps->log2_max_transform_skip_block_size = get_ue_golomb_31(gb) + 2;
1548 }
1549 63 pps->cross_component_prediction_enabled_flag = get_bits1(gb);
1550 63 pps->chroma_qp_offset_list_enabled_flag = get_bits1(gb);
1551
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 57 times.
63 if (pps->chroma_qp_offset_list_enabled_flag) {
1552 6 pps->diff_cu_chroma_qp_offset_depth = get_ue_golomb_31(gb);
1553 6 pps->chroma_qp_offset_list_len_minus1 = get_ue_golomb_31(gb);
1554
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
6 if (pps->chroma_qp_offset_list_len_minus1 > 5) {
1555 av_log(avctx, AV_LOG_ERROR,
1556 "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n");
1557 return AVERROR_INVALIDDATA;
1558 }
1559
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 6 times.
12 for (int i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
1560 6 pps->cb_qp_offset_list[i] = get_se_golomb(gb);
1561
1/2
✓ Branch 0 taken 6 times.
✗ Branch 1 not taken.
6 if (pps->cb_qp_offset_list[i]) {
1562 6 av_log(avctx, AV_LOG_WARNING,
1563 "cb_qp_offset_list not tested yet.\n");
1564 }
1565 6 pps->cr_qp_offset_list[i] = get_se_golomb(gb);
1566
1/2
✓ Branch 0 taken 6 times.
✗ Branch 1 not taken.
6 if (pps->cr_qp_offset_list[i]) {
1567 6 av_log(avctx, AV_LOG_WARNING,
1568 "cb_qp_offset_list not tested yet.\n");
1569 }
1570 }
1571 }
1572 63 pps->log2_sao_offset_scale_luma = get_ue_golomb_31(gb);
1573 63 pps->log2_sao_offset_scale_chroma = get_ue_golomb_31(gb);
1574
1575
1/2
✓ Branch 0 taken 63 times.
✗ Branch 1 not taken.
63 if ( pps->log2_sao_offset_scale_luma > FFMAX(sps->bit_depth - 10, 0)
1576
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 63 times.
63 || pps->log2_sao_offset_scale_chroma > FFMAX(sps->bit_depth_chroma - 10, 0)
1577 )
1578 return AVERROR_INVALIDDATA;
1579
1580 63 return(0);
1581 }
1582
1583 3 static int pps_scc_extension(GetBitContext *gb, AVCodecContext *avctx,
1584 HEVCPPS *pps, const HEVCSPS *sps)
1585 {
1586 int num_comps, ret;
1587
1588 3 pps->pps_curr_pic_ref_enabled_flag = get_bits1(gb);
1589
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3 times.
3 if (pps->residual_adaptive_colour_transform_enabled_flag = get_bits1(gb)) {
1590 pps->pps_slice_act_qp_offsets_present_flag = get_bits1(gb);
1591 pps->pps_act_y_qp_offset = get_se_golomb(gb) - 5;
1592 pps->pps_act_cb_qp_offset = get_se_golomb(gb) - 5;
1593 pps->pps_act_cr_qp_offset = get_se_golomb(gb) - 3;
1594
1595 #define CHECK_QP_OFFSET(name) (pps->pps_act_ ## name ## _qp_offset <= -12 || \
1596 pps->pps_act_ ## name ## _qp_offset >= 12)
1597 ret = CHECK_QP_OFFSET(y) || CHECK_QP_OFFSET(cb) || CHECK_QP_OFFSET(cr);
1598 #undef CHECK_QP_OFFSET
1599 if (ret) {
1600 av_log(avctx, AV_LOG_ERROR,
1601 "PpsActQpOffsetY/Cb/Cr shall be in the range of [-12, 12].\n");
1602 return AVERROR_INVALIDDATA;
1603 }
1604 }
1605
1606
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3 times.
3 if (pps->pps_palette_predictor_initializers_present_flag = get_bits1(gb)) {
1607 pps->pps_num_palette_predictor_initializers = get_ue_golomb(gb);
1608 if (pps->pps_num_palette_predictor_initializers > 0) {
1609 if (pps->pps_num_palette_predictor_initializers > HEVC_MAX_PALETTE_PREDICTOR_SIZE) {
1610 av_log(avctx, AV_LOG_ERROR,
1611 "pps_num_palette_predictor_initializers out of range: %u\n",
1612 pps->pps_num_palette_predictor_initializers);
1613 return AVERROR_INVALIDDATA;
1614 }
1615 pps->monochrome_palette_flag = get_bits1(gb);
1616 pps->luma_bit_depth_entry = get_ue_golomb_31(gb) + 8;
1617 if (pps->luma_bit_depth_entry != sps->bit_depth)
1618 return AVERROR_INVALIDDATA;
1619 if (!pps->monochrome_palette_flag) {
1620 pps->chroma_bit_depth_entry = get_ue_golomb_31(gb) + 8;
1621 if (pps->chroma_bit_depth_entry != sps->bit_depth_chroma)
1622 return AVERROR_INVALIDDATA;
1623 }
1624
1625 num_comps = pps->monochrome_palette_flag ? 1 : 3;
1626 for (int comp = 0; comp < num_comps; comp++) {
1627 int bit_depth = !comp ? pps->luma_bit_depth_entry : pps->chroma_bit_depth_entry;
1628 for (int i = 0; i < pps->pps_num_palette_predictor_initializers; i++)
1629 pps->pps_palette_predictor_initializer[comp][i] = get_bits(gb, bit_depth);
1630 }
1631 }
1632 }
1633
1634 3 return 0;
1635 }
1636
1637 2102 static inline int setup_pps(AVCodecContext *avctx, GetBitContext *gb,
1638 HEVCPPS *pps, const HEVCSPS *sps)
1639 {
1640 int log2_diff;
1641 int pic_area_in_ctbs;
1642 int i, j, x, y, ctb_addr_rs, tile_id;
1643
1644 // Inferred parameters
1645 2102 pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
1646 2102 pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
1647 2102 pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
1648
3/6
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2102 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2102 times.
2102 if (!pps->col_bd || !pps->row_bd || !pps->col_idxX)
1649 return AVERROR(ENOMEM);
1650
1651
2/2
✓ Branch 0 taken 1584 times.
✓ Branch 1 taken 518 times.
2102 if (pps->uniform_spacing_flag) {
1652
2/2
✓ Branch 0 taken 1358 times.
✓ Branch 1 taken 226 times.
1584 if (!pps->column_width) {
1653 1358 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1654 1358 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1655 }
1656
2/4
✓ Branch 0 taken 1584 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 1584 times.
1584 if (!pps->column_width || !pps->row_height)
1657 return AVERROR(ENOMEM);
1658
1659
2/2
✓ Branch 0 taken 1745 times.
✓ Branch 1 taken 1584 times.
3329 for (i = 0; i < pps->num_tile_columns; i++) {
1660 1745 pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
1661 1745 (i * sps->ctb_width) / pps->num_tile_columns;
1662 }
1663
1664
2/2
✓ Branch 0 taken 1763 times.
✓ Branch 1 taken 1584 times.
3347 for (i = 0; i < pps->num_tile_rows; i++) {
1665 1763 pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
1666 1763 (i * sps->ctb_height) / pps->num_tile_rows;
1667 }
1668 }
1669
1670 2102 pps->col_bd[0] = 0;
1671
2/2
✓ Branch 0 taken 4302 times.
✓ Branch 1 taken 2102 times.
6404 for (i = 0; i < pps->num_tile_columns; i++)
1672 4302 pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
1673
1674 2102 pps->row_bd[0] = 0;
1675
2/2
✓ Branch 0 taken 4311 times.
✓ Branch 1 taken 2102 times.
6413 for (i = 0; i < pps->num_tile_rows; i++)
1676 4311 pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
1677
1678
2/2
✓ Branch 0 taken 41512 times.
✓ Branch 1 taken 2102 times.
43614 for (i = 0, j = 0; i < sps->ctb_width; i++) {
1679
2/2
✓ Branch 0 taken 4293 times.
✓ Branch 1 taken 37219 times.
41512 if (i > pps->col_bd[j])
1680 4293 j++;
1681 41512 pps->col_idxX[i] = j;
1682 }
1683
1684 /**
1685 * 6.5
1686 */
1687 2102 pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
1688
1689 2102 pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
1690 2102 pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
1691 2102 pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
1692 2102 pps->min_tb_addr_zs_tab = av_malloc_array((sps->tb_mask+2) * (sps->tb_mask+2), sizeof(*pps->min_tb_addr_zs_tab));
1693
2/4
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2102 times.
✗ Branch 3 not taken.
2102 if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
1694
2/4
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2102 times.
2102 !pps->tile_id || !pps->min_tb_addr_zs_tab) {
1695 return AVERROR(ENOMEM);
1696 }
1697
1698
2/2
✓ Branch 0 taken 653999 times.
✓ Branch 1 taken 2102 times.
656101 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1699 653999 int tb_x = ctb_addr_rs % sps->ctb_width;
1700 653999 int tb_y = ctb_addr_rs / sps->ctb_width;
1701 653999 int tile_x = 0;
1702 653999 int tile_y = 0;
1703 653999 int val = 0;
1704
1705
1/2
✓ Branch 0 taken 1163447 times.
✗ Branch 1 not taken.
1163447 for (i = 0; i < pps->num_tile_columns; i++) {
1706
2/2
✓ Branch 0 taken 653999 times.
✓ Branch 1 taken 509448 times.
1163447 if (tb_x < pps->col_bd[i + 1]) {
1707 653999 tile_x = i;
1708 653999 break;
1709 }
1710 }
1711
1712
1/2
✓ Branch 0 taken 1032397 times.
✗ Branch 1 not taken.
1032397 for (i = 0; i < pps->num_tile_rows; i++) {
1713
2/2
✓ Branch 0 taken 653999 times.
✓ Branch 1 taken 378398 times.
1032397 if (tb_y < pps->row_bd[i + 1]) {
1714 653999 tile_y = i;
1715 653999 break;
1716 }
1717 }
1718
1719
2/2
✓ Branch 0 taken 509448 times.
✓ Branch 1 taken 653999 times.
1163447 for (i = 0; i < tile_x; i++)
1720 509448 val += pps->row_height[tile_y] * pps->column_width[i];
1721
2/2
✓ Branch 0 taken 378398 times.
✓ Branch 1 taken 653999 times.
1032397 for (i = 0; i < tile_y; i++)
1722 378398 val += sps->ctb_width * pps->row_height[i];
1723
1724 653999 val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
1725 653999 tb_x - pps->col_bd[tile_x];
1726
1727 653999 pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
1728 653999 pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
1729 }
1730
1731
2/2
✓ Branch 0 taken 4311 times.
✓ Branch 1 taken 2102 times.
6413 for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
1732
2/2
✓ Branch 0 taken 14663 times.
✓ Branch 1 taken 4311 times.
18974 for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
1733
2/2
✓ Branch 0 taken 64866 times.
✓ Branch 1 taken 14663 times.
79529 for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
1734
2/2
✓ Branch 0 taken 653999 times.
✓ Branch 1 taken 64866 times.
718865 for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
1735 653999 pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
1736
1737 2102 pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
1738
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2102 times.
2102 if (!pps->tile_pos_rs)
1739 return AVERROR(ENOMEM);
1740
1741
2/2
✓ Branch 0 taken 4311 times.
✓ Branch 1 taken 2102 times.
6413 for (j = 0; j < pps->num_tile_rows; j++)
1742
2/2
✓ Branch 0 taken 14663 times.
✓ Branch 1 taken 4311 times.
18974 for (i = 0; i < pps->num_tile_columns; i++)
1743 14663 pps->tile_pos_rs[j * pps->num_tile_columns + i] =
1744 14663 pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
1745
1746 2102 log2_diff = sps->log2_ctb_size - sps->log2_min_tb_size;
1747 2102 pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1];
1748
2/2
✓ Branch 0 taken 34802 times.
✓ Branch 1 taken 2102 times.
36904 for (y = 0; y < sps->tb_mask+2; y++) {
1749 34802 pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1;
1750 34802 pps->min_tb_addr_zs_tab[y] = -1;
1751 }
1752
2/2
✓ Branch 0 taken 32700 times.
✓ Branch 1 taken 2102 times.
34802 for (y = 0; y < sps->tb_mask+1; y++) {
1753
2/2
✓ Branch 0 taken 517136 times.
✓ Branch 1 taken 32700 times.
549836 for (x = 0; x < sps->tb_mask+1; x++) {
1754 517136 int tb_x = x >> log2_diff;
1755 517136 int tb_y = y >> log2_diff;
1756 517136 int rs = sps->ctb_width * tb_y + tb_x;
1757 517136 int val = pps->ctb_addr_rs_to_ts[rs] << (log2_diff * 2);
1758
2/2
✓ Branch 0 taken 2062944 times.
✓ Branch 1 taken 517136 times.
2580080 for (i = 0; i < log2_diff; i++) {
1759 2062944 int m = 1 << i;
1760
4/4
✓ Branch 0 taken 1031472 times.
✓ Branch 1 taken 1031472 times.
✓ Branch 2 taken 1031472 times.
✓ Branch 3 taken 1031472 times.
2062944 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1761 }
1762 517136 pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val;
1763 }
1764 }
1765
1766 2102 return 0;
1767 }
1768
1769 3306 int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx,
1770 HEVCParamSets *ps)
1771 {
1772 3306 const HEVCSPS *sps = NULL;
1773 3306 const HEVCVPS *vps = NULL;
1774 3306 int i, ret = 0;
1775 3306 ptrdiff_t nal_size = gb->buffer_end - gb->buffer;
1776 3306 unsigned int pps_id = get_ue_golomb_long(gb);
1777 unsigned log2_parallel_merge_level_minus2;
1778 HEVCPPS *pps;
1779
1780 3306 av_log(avctx, AV_LOG_DEBUG, "Decoding PPS\n");
1781
1782
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3306 times.
3306 if (pps_id >= HEVC_MAX_PPS_COUNT) {
1783 av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
1784 return AVERROR_INVALIDDATA;
1785 }
1786
1787
2/2
✓ Branch 0 taken 2405 times.
✓ Branch 1 taken 901 times.
3306 if (ps->pps_list[pps_id]) {
1788 2405 const HEVCPPS *pps1 = ps->pps_list[pps_id];
1789
2/2
✓ Branch 0 taken 2025 times.
✓ Branch 1 taken 380 times.
2405 if (pps1->data_size == nal_size &&
1790
2/2
✓ Branch 0 taken 1200 times.
✓ Branch 1 taken 825 times.
2025 !memcmp(pps1->data, gb->buffer, pps1->data_size))
1791 1200 return 0;
1792 }
1793
1794 2106 pps = ff_refstruct_alloc_ext(sizeof(*pps), 0, NULL, hevc_pps_free);
1795
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2106 times.
2106 if (!pps)
1796 return AVERROR(ENOMEM);
1797
1798 2106 pps->data_size = nal_size;
1799 2106 pps->data = av_memdup(gb->buffer, nal_size);
1800
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2106 times.
2106 if (!pps->data) {
1801 ret = AVERROR_INVALIDDATA;
1802 goto err;
1803 }
1804
1805 // Default values
1806 2106 pps->loop_filter_across_tiles_enabled_flag = 1;
1807 2106 pps->num_tile_columns = 1;
1808 2106 pps->num_tile_rows = 1;
1809 2106 pps->uniform_spacing_flag = 1;
1810 2106 pps->disable_dbf = 0;
1811 2106 pps->beta_offset = 0;
1812 2106 pps->tc_offset = 0;
1813 2106 pps->log2_max_transform_skip_block_size = 2;
1814
1815 // Coded parameters
1816 2106 pps->pps_id = pps_id;
1817 2106 pps->sps_id = get_ue_golomb_long(gb);
1818
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2106 times.
2106 if (pps->sps_id >= HEVC_MAX_SPS_COUNT) {
1819 av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
1820 ret = AVERROR_INVALIDDATA;
1821 goto err;
1822 }
1823
2/2
✓ Branch 0 taken 4 times.
✓ Branch 1 taken 2102 times.
2106 if (!ps->sps_list[pps->sps_id]) {
1824 4 av_log(avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id);
1825 4 ret = AVERROR_INVALIDDATA;
1826 4 goto err;
1827 }
1828 2102 sps = ps->sps_list[pps->sps_id];
1829 2102 vps = ps->vps_list[sps->vps_id];
1830
1831 2102 pps->sps = ff_refstruct_ref_c(sps);
1832
1833 2102 pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
1834 2102 pps->output_flag_present_flag = get_bits1(gb);
1835 2102 pps->num_extra_slice_header_bits = get_bits(gb, 3);
1836
1837 2102 pps->sign_data_hiding_flag = get_bits1(gb);
1838
1839 2102 pps->cabac_init_present_flag = get_bits1(gb);
1840
1841 2102 pps->num_ref_idx_l0_default_active = get_ue_golomb_31(gb) + 1;
1842 2102 pps->num_ref_idx_l1_default_active = get_ue_golomb_31(gb) + 1;
1843
1/2
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
2102 if (pps->num_ref_idx_l0_default_active >= HEVC_MAX_REFS ||
1844
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2102 times.
2102 pps->num_ref_idx_l1_default_active >= HEVC_MAX_REFS) {
1845 av_log(avctx, AV_LOG_ERROR, "Too many default refs in PPS: %d/%d.\n",
1846 pps->num_ref_idx_l0_default_active, pps->num_ref_idx_l1_default_active);
1847 goto err;
1848 }
1849
1850 2102 pps->pic_init_qp_minus26 = get_se_golomb(gb);
1851
1852 2102 pps->constrained_intra_pred_flag = get_bits1(gb);
1853 2102 pps->transform_skip_enabled_flag = get_bits1(gb);
1854
1855 2102 pps->cu_qp_delta_enabled_flag = get_bits1(gb);
1856 2102 pps->diff_cu_qp_delta_depth = 0;
1857
2/2
✓ Branch 0 taken 468 times.
✓ Branch 1 taken 1634 times.
2102 if (pps->cu_qp_delta_enabled_flag)
1858 468 pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);
1859
1860
1/2
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
2102 if (pps->diff_cu_qp_delta_depth < 0 ||
1861
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2102 times.
2102 pps->diff_cu_qp_delta_depth > sps->log2_diff_max_min_coding_block_size) {
1862 av_log(avctx, AV_LOG_ERROR, "diff_cu_qp_delta_depth %d is invalid\n",
1863 pps->diff_cu_qp_delta_depth);
1864 ret = AVERROR_INVALIDDATA;
1865 goto err;
1866 }
1867
1868 2102 pps->cb_qp_offset = get_se_golomb(gb);
1869
2/4
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2102 times.
2102 if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
1870 av_log(avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
1871 pps->cb_qp_offset);
1872 ret = AVERROR_INVALIDDATA;
1873 goto err;
1874 }
1875 2102 pps->cr_qp_offset = get_se_golomb(gb);
1876
2/4
✓ Branch 0 taken 2102 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 2102 times.
2102 if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
1877 av_log(avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
1878 pps->cr_qp_offset);
1879 ret = AVERROR_INVALIDDATA;
1880 goto err;
1881 }
1882 2102 pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
1883
1884 2102 pps->weighted_pred_flag = get_bits1(gb);
1885 2102 pps->weighted_bipred_flag = get_bits1(gb);
1886
1887 2102 pps->transquant_bypass_enable_flag = get_bits1(gb);
1888 2102 pps->tiles_enabled_flag = get_bits1(gb);
1889 2102 pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
1890
1891
2/2
✓ Branch 0 taken 744 times.
✓ Branch 1 taken 1358 times.
2102 if (pps->tiles_enabled_flag) {
1892 744 int num_tile_columns_minus1 = get_ue_golomb(gb);
1893 744 int num_tile_rows_minus1 = get_ue_golomb(gb);
1894
1895
1/2
✓ Branch 0 taken 744 times.
✗ Branch 1 not taken.
744 if (num_tile_columns_minus1 < 0 ||
1896
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 744 times.
744 num_tile_columns_minus1 >= sps->ctb_width) {
1897 av_log(avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
1898 num_tile_columns_minus1);
1899 ret = num_tile_columns_minus1 < 0 ? num_tile_columns_minus1 : AVERROR_INVALIDDATA;
1900 goto err;
1901 }
1902
1/2
✓ Branch 0 taken 744 times.
✗ Branch 1 not taken.
744 if (num_tile_rows_minus1 < 0 ||
1903
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 744 times.
744 num_tile_rows_minus1 >= sps->ctb_height) {
1904 av_log(avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
1905 num_tile_rows_minus1);
1906 ret = num_tile_rows_minus1 < 0 ? num_tile_rows_minus1 : AVERROR_INVALIDDATA;
1907 goto err;
1908 }
1909 744 pps->num_tile_columns = num_tile_columns_minus1 + 1;
1910 744 pps->num_tile_rows = num_tile_rows_minus1 + 1;
1911
1912 744 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1913 744 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1914
2/4
✓ Branch 0 taken 744 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 744 times.
744 if (!pps->column_width || !pps->row_height) {
1915 ret = AVERROR(ENOMEM);
1916 goto err;
1917 }
1918
1919 744 pps->uniform_spacing_flag = get_bits1(gb);
1920
2/2
✓ Branch 0 taken 518 times.
✓ Branch 1 taken 226 times.
744 if (!pps->uniform_spacing_flag) {
1921 518 uint64_t sum = 0;
1922
2/2
✓ Branch 0 taken 2039 times.
✓ Branch 1 taken 518 times.
2557 for (i = 0; i < pps->num_tile_columns - 1; i++) {
1923 2039 pps->column_width[i] = get_ue_golomb_long(gb) + 1;
1924 2039 sum += pps->column_width[i];
1925 }
1926
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 518 times.
518 if (sum >= sps->ctb_width) {
1927 av_log(avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
1928 ret = AVERROR_INVALIDDATA;
1929 goto err;
1930 }
1931 518 pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
1932
1933 518 sum = 0;
1934
2/2
✓ Branch 0 taken 2030 times.
✓ Branch 1 taken 518 times.
2548 for (i = 0; i < pps->num_tile_rows - 1; i++) {
1935 2030 pps->row_height[i] = get_ue_golomb_long(gb) + 1;
1936 2030 sum += pps->row_height[i];
1937