FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/hevc_ps.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 849 1097 77.4%
Branches: 506 739 68.5%

Line Branch Exec Source
1 /*
2 * HEVC Parameter Set decoding
3 *
4 * Copyright (C) 2012 - 2103 Guillaume Martres
5 * Copyright (C) 2012 - 2103 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 "golomb.h"
28 #include "hevc_data.h"
29 #include "hevc_ps.h"
30
31 static const uint8_t default_scaling_list_intra[] = {
32 16, 16, 16, 16, 17, 18, 21, 24,
33 16, 16, 16, 16, 17, 19, 22, 25,
34 16, 16, 17, 18, 20, 22, 25, 29,
35 16, 16, 18, 21, 24, 27, 31, 36,
36 17, 17, 20, 24, 30, 35, 41, 47,
37 18, 19, 22, 27, 35, 44, 54, 65,
38 21, 22, 25, 31, 41, 54, 70, 88,
39 24, 25, 29, 36, 47, 65, 88, 115
40 };
41
42 static const uint8_t default_scaling_list_inter[] = {
43 16, 16, 16, 16, 17, 18, 20, 24,
44 16, 16, 16, 17, 18, 20, 24, 25,
45 16, 16, 17, 18, 20, 24, 25, 28,
46 16, 17, 18, 20, 24, 25, 28, 33,
47 17, 18, 20, 24, 25, 28, 33, 41,
48 18, 20, 24, 25, 28, 33, 41, 54,
49 20, 24, 25, 28, 33, 41, 54, 71,
50 24, 25, 28, 33, 41, 54, 71, 91
51 };
52
53 static const AVRational vui_sar[] = {
54 { 0, 1 },
55 { 1, 1 },
56 { 12, 11 },
57 { 10, 11 },
58 { 16, 11 },
59 { 40, 33 },
60 { 24, 11 },
61 { 20, 11 },
62 { 32, 11 },
63 { 80, 33 },
64 { 18, 11 },
65 { 15, 11 },
66 { 64, 33 },
67 { 160, 99 },
68 { 4, 3 },
69 { 3, 2 },
70 { 2, 1 },
71 };
72
73 static const uint8_t hevc_sub_width_c[] = {
74 1, 2, 2, 1
75 };
76
77 static const uint8_t hevc_sub_height_c[] = {
78 1, 2, 1, 1
79 };
80
81 3210 static void remove_pps(HEVCParamSets *s, int id)
82 {
83
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3210 if (s->pps_list[id] && s->pps == (const HEVCPPS*)s->pps_list[id]->data)
84 1785 s->pps = NULL;
85 3210 av_buffer_unref(&s->pps_list[id]);
86 3210 }
87
88 583 static void remove_sps(HEVCParamSets *s, int id)
89 {
90 int i;
91
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583 if (s->sps_list[id]) {
92
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11 if (s->sps == (const HEVCSPS*)s->sps_list[id]->data)
93 11 s->sps = NULL;
94
95 /* drop all PPS that depend on this SPS */
96
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715 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
97
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704 if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == id)
98 11 remove_pps(s, i);
99
100
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11 av_assert0(!(s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data));
101 }
102 583 av_buffer_unref(&s->sps_list[id]);
103 583 }
104
105 570 static void remove_vps(HEVCParamSets *s, int id)
106 {
107 int i;
108
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570 if (s->vps_list[id]) {
109
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3 if (s->vps == (const HEVCVPS*)s->vps_list[id]->data)
110 3 s->vps = NULL;
111
112
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51 for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
113
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48 if (s->sps_list[i] && ((HEVCSPS*)s->sps_list[i]->data)->vps_id == id)
114 3 remove_sps(s, i);
115 }
116 570 av_buffer_unref(&s->vps_list[id]);
117 570 }
118
119 12258 int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
120 ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
121 {
122 12258 uint8_t rps_predict = 0;
123 int delta_poc;
124 12258 int k0 = 0;
125 12258 int k1 = 0;
126 12258 int k = 0;
127 int i;
128
129
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12258 if (rps != sps->st_rps && sps->nb_st_rps)
130 11107 rps_predict = get_bits1(gb);
131
132
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12258 if (rps_predict) {
133 const ShortTermRPS *rps_ridx;
134 int delta_rps;
135 unsigned abs_delta_rps;
136 7359 uint8_t use_delta_flag = 0;
137 uint8_t delta_rps_sign;
138
139
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7359 if (is_slice_header) {
140 619 unsigned int delta_idx = get_ue_golomb_long(gb) + 1;
141
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619 if (delta_idx > sps->nb_st_rps) {
142 av_log(avctx, AV_LOG_ERROR,
143 "Invalid value of delta_idx in slice header RPS: %d > %d.\n",
144 delta_idx, sps->nb_st_rps);
145 return AVERROR_INVALIDDATA;
146 }
147 619 rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx];
148 619 rps->rps_idx_num_delta_pocs = rps_ridx->num_delta_pocs;
149 } else
150 6740 rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
151
152 7359 delta_rps_sign = get_bits1(gb);
153 7359 abs_delta_rps = get_ue_golomb_long(gb) + 1;
154
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7359 if (abs_delta_rps < 1 || abs_delta_rps > 32768) {
155 av_log(avctx, AV_LOG_ERROR,
156 "Invalid value of abs_delta_rps: %d\n",
157 abs_delta_rps);
158 return AVERROR_INVALIDDATA;
159 }
160 7359 delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
161
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39260 for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
162 31901 int used = rps->used[k] = get_bits1(gb);
163
164
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31901 if (!used)
165 6341 use_delta_flag = get_bits1(gb);
166
167
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31901 if (used || use_delta_flag) {
168
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25610 if (i < rps_ridx->num_delta_pocs)
169 20187 delta_poc = delta_rps + rps_ridx->delta_poc[i];
170 else
171 5423 delta_poc = delta_rps;
172 25610 rps->delta_poc[k] = delta_poc;
173
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25610 if (delta_poc < 0)
174 17731 k0++;
175 else
176 7879 k1++;
177 25610 k++;
178 }
179 }
180
181
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7359 if (k >= FF_ARRAY_ELEMS(rps->used)) {
182 av_log(avctx, AV_LOG_ERROR,
183 "Invalid num_delta_pocs: %d\n", k);
184 return AVERROR_INVALIDDATA;
185 }
186
187 7359 rps->num_delta_pocs = k;
188 7359 rps->num_negative_pics = k0;
189 // sort in increasing order (smallest first)
190
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7359 if (rps->num_delta_pocs != 0) {
191 int used, tmp;
192
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25610 for (i = 1; i < rps->num_delta_pocs; i++) {
193 18251 delta_poc = rps->delta_poc[i];
194 18251 used = rps->used[i];
195
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52239 for (k = i - 1; k >= 0; k--) {
196 33988 tmp = rps->delta_poc[k];
197
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33988 if (delta_poc < tmp) {
198 10843 rps->delta_poc[k + 1] = tmp;
199 10843 rps->used[k + 1] = rps->used[k];
200 10843 rps->delta_poc[k] = delta_poc;
201 10843 rps->used[k] = used;
202 }
203 }
204 }
205 }
206
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7359 if ((rps->num_negative_pics >> 1) != 0) {
207 int used;
208 5580 k = rps->num_negative_pics - 1;
209 // flip the negative values to largest first
210
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12888 for (i = 0; i < rps->num_negative_pics >> 1; i++) {
211 7308 delta_poc = rps->delta_poc[i];
212 7308 used = rps->used[i];
213 7308 rps->delta_poc[i] = rps->delta_poc[k];
214 7308 rps->used[i] = rps->used[k];
215 7308 rps->delta_poc[k] = delta_poc;
216 7308 rps->used[k] = used;
217 7308 k--;
218 }
219 }
220 } else {
221 unsigned int prev, nb_positive_pics;
222 4899 rps->num_negative_pics = get_ue_golomb_long(gb);
223 4899 nb_positive_pics = get_ue_golomb_long(gb);
224
225
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4899 if (rps->num_negative_pics >= HEVC_MAX_REFS ||
226 nb_positive_pics >= HEVC_MAX_REFS) {
227 av_log(avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n");
228 return AVERROR_INVALIDDATA;
229 }
230
231 4899 rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
232
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4899 if (rps->num_delta_pocs) {
233 4582 prev = 0;
234
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18412 for (i = 0; i < rps->num_negative_pics; i++) {
235 13830 delta_poc = get_ue_golomb_long(gb) + 1;
236
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13830 if (delta_poc < 1 || delta_poc > 32768) {
237 av_log(avctx, AV_LOG_ERROR,
238 "Invalid value of delta_poc: %d\n",
239 delta_poc);
240 return AVERROR_INVALIDDATA;
241 }
242 13830 prev -= delta_poc;
243 13830 rps->delta_poc[i] = prev;
244 13830 rps->used[i] = get_bits1(gb);
245 }
246 4582 prev = 0;
247
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5759 for (i = 0; i < nb_positive_pics; i++) {
248 1177 delta_poc = get_ue_golomb_long(gb) + 1;
249
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1177 if (delta_poc < 1 || delta_poc > 32768) {
250 av_log(avctx, AV_LOG_ERROR,
251 "Invalid value of delta_poc: %d\n",
252 delta_poc);
253 return AVERROR_INVALIDDATA;
254 }
255 1177 prev += delta_poc;
256 1177 rps->delta_poc[rps->num_negative_pics + i] = prev;
257 1177 rps->used[rps->num_negative_pics + i] = get_bits1(gb);
258 }
259 }
260 }
261 12258 return 0;
262 }
263
264
265 2049 static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx,
266 PTLCommon *ptl)
267 {
268 int i;
269
270
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2049 if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 43 + 1)
271 return -1;
272
273 2049 ptl->profile_space = get_bits(gb, 2);
274 2049 ptl->tier_flag = get_bits1(gb);
275 2049 ptl->profile_idc = get_bits(gb, 5);
276
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2049 if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN)
277 1751 av_log(avctx, AV_LOG_DEBUG, "Main profile bitstream\n");
278
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298 else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_10)
279 120 av_log(avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n");
280
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178 else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_STILL_PICTURE)
281 8 av_log(avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n");
282
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170 else if (ptl->profile_idc == FF_PROFILE_HEVC_REXT)
283 130 av_log(avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n");
284 else
285 40 av_log(avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc);
286
287
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67617 for (i = 0; i < 32; i++) {
288 65568 ptl->profile_compatibility_flag[i] = get_bits1(gb);
289
290
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65568 if (ptl->profile_idc == 0 && i > 0 && ptl->profile_compatibility_flag[i])
291 40 ptl->profile_idc = i;
292 }
293 2049 ptl->progressive_source_flag = get_bits1(gb);
294 2049 ptl->interlaced_source_flag = get_bits1(gb);
295 2049 ptl->non_packed_constraint_flag = get_bits1(gb);
296 2049 ptl->frame_only_constraint_flag = get_bits1(gb);
297
298 #define check_profile_idc(idc) \
299 ptl->profile_idc == idc || ptl->profile_compatibility_flag[idc]
300
301
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2049 if (check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(6) ||
302
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1919 check_profile_idc(7) || check_profile_idc(8) || check_profile_idc(9) ||
303
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1919 check_profile_idc(10)) {
304
305 130 ptl->max_12bit_constraint_flag = get_bits1(gb);
306 130 ptl->max_10bit_constraint_flag = get_bits1(gb);
307 130 ptl->max_8bit_constraint_flag = get_bits1(gb);
308 130 ptl->max_422chroma_constraint_flag = get_bits1(gb);
309 130 ptl->max_420chroma_constraint_flag = get_bits1(gb);
310 130 ptl->max_monochrome_constraint_flag = get_bits1(gb);
311 130 ptl->intra_constraint_flag = get_bits1(gb);
312 130 ptl->one_picture_only_constraint_flag = get_bits1(gb);
313 130 ptl->lower_bit_rate_constraint_flag = get_bits1(gb);
314
315
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130 if (check_profile_idc(5) || check_profile_idc(9) || check_profile_idc(10)) {
316 ptl->max_14bit_constraint_flag = get_bits1(gb);
317 skip_bits_long(gb, 33); // XXX_reserved_zero_33bits[0..32]
318 } else {
319 130 skip_bits_long(gb, 34); // XXX_reserved_zero_34bits[0..33]
320 }
321
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1919 } else if (check_profile_idc(2)) {
322 1607 skip_bits(gb, 7);
323 1607 ptl->one_picture_only_constraint_flag = get_bits1(gb);
324 1607 skip_bits_long(gb, 35); // XXX_reserved_zero_35bits[0..34]
325 } else {
326 312 skip_bits_long(gb, 43); // XXX_reserved_zero_43bits[0..42]
327 }
328
329
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2049 if (check_profile_idc(1) || check_profile_idc(2) || check_profile_idc(3) ||
330
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130 check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(9))
331 2049 ptl->inbld_flag = get_bits1(gb);
332 else
333 skip_bits1(gb);
334 #undef check_profile_idc
335
336 2049 return 0;
337 }
338
339 1997 static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx,
340 PTL *ptl, int max_num_sub_layers)
341 {
342 int i;
343
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3994 if (decode_profile_tier_level(gb, avctx, &ptl->general_ptl) < 0 ||
344
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1997 get_bits_left(gb) < 8 + (8*2 * (max_num_sub_layers - 1 > 0))) {
345 av_log(avctx, AV_LOG_ERROR, "PTL information too short\n");
346 return -1;
347 }
348
349 1997 ptl->general_ptl.level_idc = get_bits(gb, 8);
350
351
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2465 for (i = 0; i < max_num_sub_layers - 1; i++) {
352 468 ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
353 468 ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
354 }
355
356
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1997 if (max_num_sub_layers - 1> 0)
357
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1656 for (i = max_num_sub_layers - 1; i < 8; i++)
358 1420 skip_bits(gb, 2); // reserved_zero_2bits[i]
359
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2465 for (i = 0; i < max_num_sub_layers - 1; i++) {
360
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520 if (ptl->sub_layer_profile_present_flag[i] &&
361 52 decode_profile_tier_level(gb, avctx, &ptl->sub_layer_ptl[i]) < 0) {
362 av_log(avctx, AV_LOG_ERROR,
363 "PTL information for sublayer %i too short\n", i);
364 return -1;
365 }
366
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468 if (ptl->sub_layer_level_present_flag[i]) {
367
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52 if (get_bits_left(gb) < 8) {
368 av_log(avctx, AV_LOG_ERROR,
369 "Not enough data for sublayer %i level_idc\n", i);
370 return -1;
371 } else
372 52 ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8);
373 }
374 }
375
376 1997 return 0;
377 }
378
379 97 static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb,
380 int subpic_params_present)
381 {
382 int i;
383
384
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194 for (i = 0; i < nb_cpb; i++) {
385 97 get_ue_golomb_long(gb); // bit_rate_value_minus1
386 97 get_ue_golomb_long(gb); // cpb_size_value_minus1
387
388
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97 if (subpic_params_present) {
389 26 get_ue_golomb_long(gb); // cpb_size_du_value_minus1
390 26 get_ue_golomb_long(gb); // bit_rate_du_value_minus1
391 }
392 97 skip_bits1(gb); // cbr_flag
393 }
394 97 }
395
396 51 static int decode_hrd(GetBitContext *gb, int common_inf_present,
397 int max_sublayers)
398 {
399 51 int nal_params_present = 0, vcl_params_present = 0;
400 51 int subpic_params_present = 0;
401 int i;
402
403
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51 if (common_inf_present) {
404 51 nal_params_present = get_bits1(gb);
405 51 vcl_params_present = get_bits1(gb);
406
407
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51 if (nal_params_present || vcl_params_present) {
408 51 subpic_params_present = get_bits1(gb);
409
410
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51 if (subpic_params_present) {
411 13 skip_bits(gb, 8); // tick_divisor_minus2
412 13 skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1
413 13 skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
414 13 skip_bits(gb, 5); // dpb_output_delay_du_length_minus1
415 }
416
417 51 skip_bits(gb, 4); // bit_rate_scale
418 51 skip_bits(gb, 4); // cpb_size_scale
419
420
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51 if (subpic_params_present)
421 13 skip_bits(gb, 4); // cpb_size_du_scale
422
423 51 skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1
424 51 skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1
425 51 skip_bits(gb, 5); // dpb_output_delay_length_minus1
426 }
427 }
428
429
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102 for (i = 0; i < max_sublayers; i++) {
430 51 int low_delay = 0;
431 51 unsigned int nb_cpb = 1;
432 51 int fixed_rate = get_bits1(gb);
433
434
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51 if (!fixed_rate)
435 23 fixed_rate = get_bits1(gb);
436
437
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51 if (fixed_rate)
438 28 get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1
439 else
440 23 low_delay = get_bits1(gb);
441
442
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51 if (!low_delay) {
443 51 nb_cpb = get_ue_golomb_long(gb) + 1;
444
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51 if (nb_cpb < 1 || nb_cpb > 32) {
445 av_log(NULL, AV_LOG_ERROR, "nb_cpb %d invalid\n", nb_cpb);
446 return AVERROR_INVALIDDATA;
447 }
448 }
449
450
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51 if (nal_params_present)
451 51 decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
452
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51 if (vcl_params_present)
453 46 decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
454 }
455 51 return 0;
456 }
457
458 1002 int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx,
459 HEVCParamSets *ps)
460 {
461 int i,j;
462 1002 int vps_id = 0;
463 ptrdiff_t nal_size;
464 HEVCVPS *vps;
465 1002 AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps));
466
467
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1002 if (!vps_buf)
468 return AVERROR(ENOMEM);
469 1002 vps = (HEVCVPS*)vps_buf->data;
470
471 1002 av_log(avctx, AV_LOG_DEBUG, "Decoding VPS\n");
472
473 1002 nal_size = gb->buffer_end - gb->buffer;
474
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1002 if (nal_size > sizeof(vps->data)) {
475 av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized VPS "
476 "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
477 nal_size, sizeof(vps->data));
478 vps->data_size = sizeof(vps->data);
479 } else {
480 1002 vps->data_size = nal_size;
481 }
482 1002 memcpy(vps->data, gb->buffer, vps->data_size);
483
484 1002 vps_id = get_bits(gb, 4);
485
486
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1002 if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
487 av_log(avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
488 goto err;
489 }
490
491 1002 vps->vps_max_layers = get_bits(gb, 6) + 1;
492 1002 vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
493 1002 vps->vps_temporal_id_nesting_flag = get_bits1(gb);
494
495
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1002 if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
496 av_log(avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
497 goto err;
498 }
499
500
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1002 if (vps->vps_max_sub_layers > HEVC_MAX_SUB_LAYERS) {
501 av_log(avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
502 vps->vps_max_sub_layers);
503 goto err;
504 }
505
506
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1002 if (parse_ptl(gb, avctx, &vps->ptl, vps->vps_max_sub_layers) < 0)
507 goto err;
508
509 1002 vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
510
511
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1002 i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
512
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2151 for (; i < vps->vps_max_sub_layers; i++) {
513 1149 vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1;
514 1149 vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb);
515 1149 vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1;
516
517
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1149 if (vps->vps_max_dec_pic_buffering[i] > HEVC_MAX_DPB_SIZE || !vps->vps_max_dec_pic_buffering[i]) {
518 av_log(avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
519 vps->vps_max_dec_pic_buffering[i] - 1);
520 goto err;
521 }
522
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1149 if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
523 av_log(avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
524 vps->vps_num_reorder_pics[i]);
525 if (avctx->err_recognition & AV_EF_EXPLODE)
526 goto err;
527 }
528 }
529
530 1002 vps->vps_max_layer_id = get_bits(gb, 6);
531 1002 vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
532
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1002 if (vps->vps_num_layer_sets < 1 || vps->vps_num_layer_sets > 1024 ||
533
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1002 (vps->vps_num_layer_sets - 1LL) * (vps->vps_max_layer_id + 1LL) > get_bits_left(gb)) {
534 av_log(avctx, AV_LOG_ERROR, "too many layer_id_included_flags\n");
535 goto err;
536 }
537
538
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1002 for (i = 1; i < vps->vps_num_layer_sets; i++)
539 for (j = 0; j <= vps->vps_max_layer_id; j++)
540 skip_bits(gb, 1); // layer_id_included_flag[i][j]
541
542 1002 vps->vps_timing_info_present_flag = get_bits1(gb);
543
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1002 if (vps->vps_timing_info_present_flag) {
544 38 vps->vps_num_units_in_tick = get_bits_long(gb, 32);
545 38 vps->vps_time_scale = get_bits_long(gb, 32);
546 38 vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
547
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38 if (vps->vps_poc_proportional_to_timing_flag)
548 38 vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1;
549 38 vps->vps_num_hrd_parameters = get_ue_golomb_long(gb);
550
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38 if (vps->vps_num_hrd_parameters > (unsigned)vps->vps_num_layer_sets) {
551 av_log(avctx, AV_LOG_ERROR,
552 "vps_num_hrd_parameters %d is invalid\n", vps->vps_num_hrd_parameters);
553 goto err;
554 }
555
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43 for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
556 5 int common_inf_present = 1;
557
558 5 get_ue_golomb_long(gb); // hrd_layer_set_idx
559
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5 if (i)
560 common_inf_present = get_bits1(gb);
561 5 decode_hrd(gb, common_inf_present, vps->vps_max_sub_layers);
562 }
563 }
564 1002 get_bits1(gb); /* vps_extension_flag */
565
566
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1002 if (get_bits_left(gb) < 0) {
567 av_log(avctx, AV_LOG_ERROR,
568 "Overread VPS by %d bits\n", -get_bits_left(gb));
569 if (ps->vps_list[vps_id])
570 goto err;
571 }
572
573
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1002 if (ps->vps_list[vps_id] &&
574
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435 !memcmp(ps->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) {
575 432 av_buffer_unref(&vps_buf);
576 } else {
577 570 remove_vps(ps, vps_id);
578 570 ps->vps_list[vps_id] = vps_buf;
579 }
580
581 1002 return 0;
582
583 err:
584 av_buffer_unref(&vps_buf);
585 return AVERROR_INVALIDDATA;
586 }
587
588 224 static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
589 int apply_defdispwin, HEVCSPS *sps)
590 {
591 224 VUI backup_vui, *vui = &sps->vui;
592 GetBitContext backup;
593 224 int sar_present, alt = 0;
594
595 224 av_log(avctx, AV_LOG_DEBUG, "Decoding VUI\n");
596
597 224 sar_present = get_bits1(gb);
598
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224 if (sar_present) {
599 108 uint8_t sar_idx = get_bits(gb, 8);
600
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108 if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
601 108 vui->sar = vui_sar[sar_idx];
602 else if (sar_idx == 255) {
603 vui->sar.num = get_bits(gb, 16);
604 vui->sar.den = get_bits(gb, 16);
605 } else
606 av_log(avctx, AV_LOG_WARNING,
607 "Unknown SAR index: %u.\n", sar_idx);
608 }
609
610 224 vui->overscan_info_present_flag = get_bits1(gb);
611
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224 if (vui->overscan_info_present_flag)
612 vui->overscan_appropriate_flag = get_bits1(gb);
613
614 224 vui->video_signal_type_present_flag = get_bits1(gb);
615
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224 if (vui->video_signal_type_present_flag) {
616 22 vui->video_format = get_bits(gb, 3);
617 22 vui->video_full_range_flag = get_bits1(gb);
618 22 vui->colour_description_present_flag = get_bits1(gb);
619
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22 if (vui->video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P)
620 5 sps->pix_fmt = AV_PIX_FMT_YUVJ420P;
621
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22 if (vui->colour_description_present_flag) {
622 17 vui->colour_primaries = get_bits(gb, 8);
623 17 vui->transfer_characteristic = get_bits(gb, 8);
624 17 vui->matrix_coeffs = get_bits(gb, 8);
625
626 // Set invalid values to "unspecified"
627
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17 if (!av_color_primaries_name(vui->colour_primaries))
628 vui->colour_primaries = AVCOL_PRI_UNSPECIFIED;
629
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17 if (!av_color_transfer_name(vui->transfer_characteristic))
630 vui->transfer_characteristic = AVCOL_TRC_UNSPECIFIED;
631
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17 if (!av_color_space_name(vui->matrix_coeffs))
632 vui->matrix_coeffs = AVCOL_SPC_UNSPECIFIED;
633
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17 if (vui->matrix_coeffs == AVCOL_SPC_RGB) {
634 switch (sps->pix_fmt) {
635 case AV_PIX_FMT_YUV444P:
636 sps->pix_fmt = AV_PIX_FMT_GBRP;
637 break;
638 case AV_PIX_FMT_YUV444P10:
639 sps->pix_fmt = AV_PIX_FMT_GBRP10;
640 break;
641 case AV_PIX_FMT_YUV444P12:
642 sps->pix_fmt = AV_PIX_FMT_GBRP12;
643 break;
644 }
645 }
646 }
647 }
648
649 224 vui->chroma_loc_info_present_flag = get_bits1(gb);
650
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224 if (vui->chroma_loc_info_present_flag) {
651 13 vui->chroma_sample_loc_type_top_field = get_ue_golomb_long(gb);
652 13 vui->chroma_sample_loc_type_bottom_field = get_ue_golomb_long(gb);
653 }
654
655 224 vui->neutra_chroma_indication_flag = get_bits1(gb);
656 224 vui->field_seq_flag = get_bits1(gb);
657 224 vui->frame_field_info_present_flag = get_bits1(gb);
658
659 // Backup context in case an alternate header is detected
660 224 memcpy(&backup, gb, sizeof(backup));
661 224 memcpy(&backup_vui, vui, sizeof(backup_vui));
662
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224 if (get_bits_left(gb) >= 68 && show_bits_long(gb, 21) == 0x100000) {
663 vui->default_display_window_flag = 0;
664 av_log(avctx, AV_LOG_WARNING, "Invalid default display window\n");
665 } else
666 224 vui->default_display_window_flag = get_bits1(gb);
667
668
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224 if (vui->default_display_window_flag) {
669 91 int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
670 91 int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
671 91 vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
672 91 vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
673 91 vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
674 91 vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
675
676
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91 if (apply_defdispwin &&
677
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40 avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
678 av_log(avctx, AV_LOG_DEBUG,
679 "discarding vui default display window, "
680 "original values are l:%u r:%u t:%u b:%u\n",
681 vui->def_disp_win.left_offset,
682 vui->def_disp_win.right_offset,
683 vui->def_disp_win.top_offset,
684 vui->def_disp_win.bottom_offset);
685
686 vui->def_disp_win.left_offset =
687 vui->def_disp_win.right_offset =
688 vui->def_disp_win.top_offset =
689 vui->def_disp_win.bottom_offset = 0;
690 }
691 }
692
693 224 timing_info:
694 224 vui->vui_timing_info_present_flag = get_bits1(gb);
695
696
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224 if (vui->vui_timing_info_present_flag) {
697
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70 if( get_bits_left(gb) < 66 && !alt) {
698 // The alternate syntax seem to have timing info located
699 // at where def_disp_win is normally located
700 av_log(avctx, AV_LOG_WARNING,
701 "Strange VUI timing information, retrying...\n");
702 memcpy(vui, &backup_vui, sizeof(backup_vui));
703 memcpy(gb, &backup, sizeof(backup));
704 alt = 1;
705 goto timing_info;
706 }
707 70 vui->vui_num_units_in_tick = get_bits_long(gb, 32);
708 70 vui->vui_time_scale = get_bits_long(gb, 32);
709
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70 if (alt) {
710 av_log(avctx, AV_LOG_INFO, "Retry got %"PRIu32"/%"PRIu32" fps\n",
711 vui->vui_time_scale, vui->vui_num_units_in_tick);
712 }
713 70 vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
714
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70 if (vui->vui_poc_proportional_to_timing_flag)
715 38 vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);
716 70 vui->vui_hrd_parameters_present_flag = get_bits1(gb);
717
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70 if (vui->vui_hrd_parameters_present_flag)
718 46 decode_hrd(gb, 1, sps->max_sub_layers);
719 }
720
721 224 vui->bitstream_restriction_flag = get_bits1(gb);
722
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224 if (vui->bitstream_restriction_flag) {
723
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112 if (get_bits_left(gb) < 8 && !alt) {
724 av_log(avctx, AV_LOG_WARNING,
725 "Strange VUI bitstream restriction information, retrying"
726 " from timing information...\n");
727 memcpy(vui, &backup_vui, sizeof(backup_vui));
728 memcpy(gb, &backup, sizeof(backup));
729 alt = 1;
730 goto timing_info;
731 }
732 112 vui->tiles_fixed_structure_flag = get_bits1(gb);
733 112 vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
734 112 vui->restricted_ref_pic_lists_flag = get_bits1(gb);
735 112 vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb);
736 112 vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb);
737 112 vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb);
738 112 vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb);
739 112 vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb);
740 }
741
742
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224 if (get_bits_left(gb) < 1 && !alt) {
743 // XXX: Alternate syntax when sps_range_extension_flag != 0?
744 av_log(avctx, AV_LOG_WARNING,
745 "Overread in VUI, retrying from timing information...\n");
746 memcpy(vui, &backup_vui, sizeof(backup_vui));
747 memcpy(gb, &backup, sizeof(backup));
748 alt = 1;
749 goto timing_info;
750 }
751 224 }
752
753 499 static void set_default_scaling_list_data(ScalingList *sl)
754 {
755 int matrixId;
756
757
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3493 for (matrixId = 0; matrixId < 6; matrixId++) {
758 // 4x4 default is 16
759 2994 memset(sl->sl[0][matrixId], 16, 16);
760 2994 sl->sl_dc[0][matrixId] = 16; // default for 16x16
761 2994 sl->sl_dc[1][matrixId] = 16; // default for 32x32
762 }
763 499 memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
764 499 memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
765 499 memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
766 499 memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
767 499 memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
768 499 memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
769 499 memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
770 499 memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
771 499 memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
772 499 memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
773 499 memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
774 499 memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
775 499 memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
776 499 memcpy(sl->sl[3][1], default_scaling_list_intra, 64);
777 499 memcpy(sl->sl[3][2], default_scaling_list_intra, 64);
778 499 memcpy(sl->sl[3][3], default_scaling_list_inter, 64);
779 499 memcpy(sl->sl[3][4], default_scaling_list_inter, 64);
780 499 memcpy(sl->sl[3][5], default_scaling_list_inter, 64);
781 499 }
782
783 489 static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingList *sl, HEVCSPS *sps)
784 {
785 uint8_t scaling_list_pred_mode_flag;
786 uint8_t scaling_list_dc_coef[2][6];
787 int size_id, matrix_id, pos;
788 int i;
789
790
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2445 for (size_id = 0; size_id < 4; size_id++)
791
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11736 for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
792 9780 scaling_list_pred_mode_flag = get_bits1(gb);
793
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9780 if (!scaling_list_pred_mode_flag) {
794 3978 unsigned int delta = get_ue_golomb_long(gb);
795 /* Only need to handle non-zero delta. Zero means default,
796 * which should already be in the arrays. */
797
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3978 if (delta) {
798 // Copy from previous array.
799
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3852 delta *= (size_id == 3) ? 3 : 1;
800
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3852 if (matrix_id < delta) {
801 av_log(avctx, AV_LOG_ERROR,
802 "Invalid delta in scaling list data: %d.\n", delta);
803 return AVERROR_INVALIDDATA;
804 }
805
806
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3852 memcpy(sl->sl[size_id][matrix_id],
807 3852 sl->sl[size_id][matrix_id - delta],
808 size_id > 0 ? 64 : 16);
809
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3852 if (size_id > 1)
810 530 sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
811 }
812 } else {
813 int next_coef, coef_num;
814 int32_t scaling_list_delta_coef;
815
816 5802 next_coef = 8;
817 5802 coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
818
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5802 if (size_id > 1) {
819 3340 int scaling_list_coeff_minus8 = get_se_golomb(gb);
820
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3340 if (scaling_list_coeff_minus8 < -7 ||
821 scaling_list_coeff_minus8 > 247)
822 return AVERROR_INVALIDDATA;
823 3340 scaling_list_dc_coef[size_id - 2][matrix_id] = scaling_list_coeff_minus8 + 8;
824 3340 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
825 3340 sl->sl_dc[size_id - 2][matrix_id] = next_coef;
826 }
827
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315114 for (i = 0; i < coef_num; i++) {
828
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309312 if (size_id == 0)
829 20672 pos = 4 * ff_hevc_diag_scan4x4_y[i] +
830 20672 ff_hevc_diag_scan4x4_x[i];
831 else
832 288640 pos = 8 * ff_hevc_diag_scan8x8_y[i] +
833 288640 ff_hevc_diag_scan8x8_x[i];
834
835 309312 scaling_list_delta_coef = get_se_golomb(gb);
836 309312 next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256;
837 309312 sl->sl[size_id][matrix_id][pos] = next_coef;
838 }
839 }
840 }
841
842
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489 if (sps->chroma_format_idc == 3) {
843
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2795 for (i = 0; i < 64; i++) {
844 2752 sl->sl[3][1][i] = sl->sl[2][1][i];
845 2752 sl->sl[3][2][i] = sl->sl[2][2][i];
846 2752 sl->sl[3][4][i] = sl->sl[2][4][i];
847 2752 sl->sl[3][5][i] = sl->sl[2][5][i];
848 }
849 43 sl->sl_dc[1][1] = sl->sl_dc[0][1];
850 43 sl->sl_dc[1][2] = sl->sl_dc[0][2];
851 43 sl->sl_dc[1][4] = sl->sl_dc[0][4];
852 43 sl->sl_dc[1][5] = sl->sl_dc[0][5];
853 }
854
855
856 489 return 0;
857 }
858
859 995 static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
860 {
861 const AVPixFmtDescriptor *desc;
862
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995 switch (sps->bit_depth) {
863 883 case 8:
864
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883 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8;
865
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883 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P;
866
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883 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P;
867
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883 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P;
868 883 break;
869 case 9:
870 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY9;
871 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9;
872 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9;
873 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9;
874 break;
875 89 case 10:
876
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89 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10;
877
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89 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10;
878
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89 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10;
879
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89 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
880 89 break;
881 23 case 12:
882
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23 if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12;
883
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23 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
884
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23 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
885
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23 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;
886 23 break;
887 default:
888 av_log(avctx, AV_LOG_ERROR,
889 "The following bit-depths are currently specified: 8, 9, 10 and 12 bits, "
890 "chroma_format_idc is %d, depth is %d\n",
891 sps->chroma_format_idc, sps->bit_depth);
892 return AVERROR_INVALIDDATA;
893 }
894
895 995 desc = av_pix_fmt_desc_get(sps->pix_fmt);
896
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995 if (!desc)
897 return AVERROR(EINVAL);
898
899 995 sps->hshift[0] = sps->vshift[0] = 0;
900 995 sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
901 995 sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
902
903 995 sps->pixel_shift = sps->bit_depth > 8;
904
905 995 return 0;
906 }
907
908 995 int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
909 int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
910 {
911 HEVCWindow *ow;
912 995 int ret = 0;
913 int log2_diff_max_min_transform_block_size;
914 int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
915 int i;
916
917 // Coded parameters
918
919 995 sps->vps_id = get_bits(gb, 4);
920
921
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995 if (vps_list && !vps_list[sps->vps_id]) {
922 av_log(avctx, AV_LOG_ERROR, "VPS %d does not exist\n",
923 sps->vps_id);
924 return AVERROR_INVALIDDATA;
925 }
926
927 995 sps->max_sub_layers = get_bits(gb, 3) + 1;
928
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995 if (sps->max_sub_layers > HEVC_MAX_SUB_LAYERS) {
929 av_log(avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",
930 sps->max_sub_layers);
931 return AVERROR_INVALIDDATA;
932 }
933
934 995 sps->temporal_id_nesting_flag = get_bits(gb, 1);
935
936
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995 if ((ret = parse_ptl(gb, avctx, &sps->ptl, sps->max_sub_layers)) < 0)
937 return ret;
938
939 995 *sps_id = get_ue_golomb_long(gb);
940
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995 if (*sps_id >= HEVC_MAX_SPS_COUNT) {
941 av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", *sps_id);
942 return AVERROR_INVALIDDATA;
943 }
944
945 995 sps->chroma_format_idc = get_ue_golomb_long(gb);
946
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995 if (sps->chroma_format_idc > 3U) {
947 av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc);
948 return AVERROR_INVALIDDATA;
949 }
950
951
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995 if (sps->chroma_format_idc == 3)
952 32 sps->separate_colour_plane_flag = get_bits1(gb);
953
954
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995 if (sps->separate_colour_plane_flag)
955 sps->chroma_format_idc = 0;
956
957 995 sps->width = get_ue_golomb_long(gb);
958 995 sps->height = get_ue_golomb_long(gb);
959
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995 if ((ret = av_image_check_size(sps->width,
960 995 sps->height, 0, avctx)) < 0)
961 return ret;
962
963
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995 if (get_bits1(gb)) { // pic_conformance_flag
964 827 int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
965 827 int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
966 827 sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
967 827 sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
968 827 sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
969 827 sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
970
971
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827 if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
972 av_log(avctx, AV_LOG_DEBUG,
973 "discarding sps conformance window, "
974 "original values are l:%u r:%u t:%u b:%u\n",
975 sps->pic_conf_win.left_offset,
976 sps->pic_conf_win.right_offset,
977 sps->pic_conf_win.top_offset,
978 sps->pic_conf_win.bottom_offset);
979
980 sps->pic_conf_win.left_offset =
981 sps->pic_conf_win.right_offset =
982 sps->pic_conf_win.top_offset =
983 sps->pic_conf_win.bottom_offset = 0;
984 }
985 827 sps->output_window = sps->pic_conf_win;
986 }
987
988 995 sps->bit_depth = get_ue_golomb_long(gb) + 8;
989 995 bit_depth_chroma = get_ue_golomb_long(gb) + 8;
990
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995 if (sps->chroma_format_idc && bit_depth_chroma != sps->bit_depth) {
991 av_log(avctx, AV_LOG_ERROR,
992 "Luma bit depth (%d) is different from chroma bit depth (%d), "
993 "this is unsupported.\n",
994 sps->bit_depth, bit_depth_chroma);
995 return AVERROR_INVALIDDATA;
996 }
997 995 sps->bit_depth_chroma = bit_depth_chroma;
998
999 995 ret = map_pixel_format(avctx, sps);
1000
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995 if (ret < 0)
1001 return ret;
1002
1003 995 sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
1004
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995 if (sps->log2_max_poc_lsb > 16) {
1005 av_log(avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
1006 sps->log2_max_poc_lsb - 4);
1007 return AVERROR_INVALIDDATA;
1008 }
1009
1010 995 sublayer_ordering_info = get_bits1(gb);
1011
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995 start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
1012
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2137 for (i = start; i < sps->max_sub_layers; i++) {
1013 1142 sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1;
1014 1142 sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb);
1015 1142 sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1;
1016
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1142 if (sps->temporal_layer[i].max_dec_pic_buffering > (unsigned)HEVC_MAX_DPB_SIZE) {
1017 av_log(avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
1018 sps->temporal_layer[i].max_dec_pic_buffering - 1U);
1019 return AVERROR_INVALIDDATA;
1020 }
1021
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1142 if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
1022 av_log(avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
1023 sps->temporal_layer[i].num_reorder_pics);
1024 if (avctx->err_recognition & AV_EF_EXPLODE ||
1025 sps->temporal_layer[i].num_reorder_pics > HEVC_MAX_DPB_SIZE - 1) {
1026 return AVERROR_INVALIDDATA;
1027 }
1028 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1;
1029 }
1030 }
1031
1032
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995 if (!sublayer_ordering_info) {
1033
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216 for (i = 0; i < start; i++) {
1034 82 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
1035 82 sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
1036 82 sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
1037 }
1038 }
1039
1040 995 sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
1041 995 sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb);
1042 995 sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
1043 995 log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
1044 995 sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size +
1045 995 sps->log2_min_tb_size;
1046
1047
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995 if (sps->log2_min_cb_size < 3 || sps->log2_min_cb_size > 30) {
1048 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_min_cb_size", sps->log2_min_cb_size);
1049 return AVERROR_INVALIDDATA;
1050 }
1051
1052
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995 if (sps->log2_diff_max_min_coding_block_size > 30) {
1053 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);
1054 return AVERROR_INVALIDDATA;
1055 }
1056
1057
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995 if (sps->log2_min_tb_size >= sps->log2_min_cb_size || sps->log2_min_tb_size < 2) {
1058 av_log(avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
1059 return AVERROR_INVALIDDATA;
1060 }
1061
1062
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995 if (log2_diff_max_min_transform_block_size < 0 || log2_diff_max_min_transform_block_size > 30) {
1063 av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_transform_block_size", log2_diff_max_min_transform_block_size);
1064 return AVERROR_INVALIDDATA;
1065 }
1066
1067 995 sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
1068 995 sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
1069
1070 995 sps->scaling_list_enable_flag = get_bits1(gb);
1071
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995 if (sps->scaling_list_enable_flag) {
1072 36 set_default_scaling_list_data(&sps->scaling_list);
1073
1074
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36 if (get_bits1(gb)) {
1075 26 ret = scaling_list_data(gb, avctx, &sps->scaling_list, sps);
1076
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26 if (ret < 0)
1077 return ret;
1078 }
1079 }
1080
1081 995 sps->amp_enabled_flag = get_bits1(gb);
1082 995 sps->sao_enabled = get_bits1(gb);
1083
1084 995 sps->pcm_enabled_flag = get_bits1(gb);
1085
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995 if (sps->pcm_enabled_flag) {
1086 75 sps->pcm.bit_depth = get_bits(gb, 4) + 1;
1087 75 sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
1088 75 sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
1089 150 sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
1090 75 get_ue_golomb_long(gb);
1091
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75 if (FFMAX(sps->pcm.bit_depth, sps->pcm.bit_depth_chroma) > sps->bit_depth) {
1092 av_log(avctx, AV_LOG_ERROR,
1093 "PCM bit depth (%d, %d) is greater than normal bit depth (%d)\n",
1094 sps->pcm.bit_depth, sps->pcm.bit_depth_chroma, sps->bit_depth);
1095 return AVERROR_INVALIDDATA;
1096 }
1097
1098 75 sps->pcm.loop_filter_disable_flag = get_bits1(gb);
1099 }
1100
1101 995 sps->nb_st_rps = get_ue_golomb_long(gb);
1102
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995 if (sps->nb_st_rps > HEVC_MAX_SHORT_TERM_REF_PIC_SETS) {
1103 av_log(avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
1104 sps->nb_st_rps);
1105 return AVERROR_INVALIDDATA;
1106 }
1107
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10040 for (i = 0; i < sps->nb_st_rps; i++) {
1108
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9045 if ((ret = ff_hevc_decode_short_term_rps(gb, avctx, &sps->st_rps[i],
1109 sps, 0)) < 0)
1110 return ret;
1111 }
1112
1113 995 sps->long_term_ref_pics_present_flag = get_bits1(gb);
1114
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995 if (sps->long_term_ref_pics_present_flag) {
1115 101 sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb);
1116
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101 if (sps->num_long_term_ref_pics_sps > HEVC_MAX_LONG_TERM_REF_PICS) {
1117 av_log(avctx, AV_LOG_ERROR, "Too many long term ref pics: %d.\n",
1118 sps->num_long_term_ref_pics_sps);
1119 return AVERROR_INVALIDDATA;
1120 }
1121
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165 for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
1122 64 sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
1123 64 sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb);
1124 }
1125 }
1126
1127 995 sps->sps_temporal_mvp_enabled_flag = get_bits1(gb);
1128 995 sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
1129 995 sps->vui.sar = (AVRational){0, 1};
1130 995 vui_present = get_bits1(gb);
1131
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995 if (vui_present)
1132 224 decode_vui(gb, avctx, apply_defdispwin, sps);
1133
1134
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995 if (get_bits1(gb)) { // sps_extension_flag
1135 71 sps->sps_range_extension_flag = get_bits1(gb);
1136 71 skip_bits(gb, 7); //sps_extension_7bits = get_bits(gb, 7);
1137
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71 if (sps->sps_range_extension_flag) {
1138 51 sps->transform_skip_rotation_enabled_flag = get_bits1(gb);
1139 51 sps->transform_skip_context_enabled_flag = get_bits1(gb);
1140 51 sps->implicit_rdpcm_enabled_flag = get_bits1(gb);
1141
1142 51 sps->explicit_rdpcm_enabled_flag = get_bits1(gb);
1143
1144 51 sps->extended_precision_processing_flag = get_bits1(gb);
1145
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51 if (sps->extended_precision_processing_flag)
1146 av_log(avctx, AV_LOG_WARNING,
1147 "extended_precision_processing_flag not yet implemented\n");
1148
1149 51 sps->intra_smoothing_disabled_flag = get_bits1(gb);
1150 51 sps->high_precision_offsets_enabled_flag = get_bits1(gb);
1151
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51 if (sps->high_precision_offsets_enabled_flag)
1152 33 av_log(avctx, AV_LOG_WARNING,
1153 "high_precision_offsets_enabled_flag not yet implemented\n");
1154
1155 51 sps->persistent_rice_adaptation_enabled_flag = get_bits1(gb);
1156
1157 51 sps->cabac_bypass_alignment_enabled_flag = get_bits1(gb);
1158
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51 if (sps->cabac_bypass_alignment_enabled_flag)
1159 av_log(avctx, AV_LOG_WARNING,
1160 "cabac_bypass_alignment_enabled_flag not yet implemented\n");
1161 }
1162 }
1163
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995 if (apply_defdispwin) {
1164 413 sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
1165 413 sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
1166 413 sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
1167 413 sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
1168 }
1169
1170 995 ow = &sps->output_window;
1171
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995 if (ow->left_offset >= INT_MAX - ow->right_offset ||
1172
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995 ow->top_offset >= INT_MAX - ow->bottom_offset ||
1173
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995 ow->left_offset + ow->right_offset >= sps->width ||
1174
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995 ow->top_offset + ow->bottom_offset >= sps->height) {
1175 av_log(avctx, AV_LOG_WARNING, "Invalid cropping offsets: %u/%u/%u/%u\n",
1176 ow->left_offset, ow->right_offset, ow->top_offset, ow->bottom_offset);
1177 if (avctx->err_recognition & AV_EF_EXPLODE) {
1178 return AVERROR_INVALIDDATA;
1179 }
1180 av_log(avctx, AV_LOG_WARNING,
1181 "Displaying the whole video surface.\n");
1182 memset(ow, 0, sizeof(*ow));
1183 memset(&sps->pic_conf_win, 0, sizeof(sps->pic_conf_win));
1184 }
1185
1186 // Inferred parameters
1187 995 sps->log2_ctb_size = sps->log2_min_cb_size +
1188 995 sps->log2_diff_max_min_coding_block_size;
1189 995 sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
1190
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995 if (sps->log2_ctb_size > HEVC_MAX_LOG2_CTB_SIZE) {
1192 av_log(avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
1193 return AVERROR_INVALIDDATA;
1194 }
1195
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995 if (sps->log2_ctb_size < 4) {
1196 av_log(avctx,
1197 AV_LOG_ERROR,
1198 "log2_ctb_size %d differs from the bounds of any known profile\n",
1199 sps->log2_ctb_size);
1200 avpriv_request_sample(avctx, "log2_ctb_size %d", sps->log2_ctb_size);
1201 return AVERROR_INVALIDDATA;
1202 }
1203
1204 995 sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1205 995 sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1206 995 sps->ctb_size = sps->ctb_width * sps->ctb_height;
1207
1208 995 sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
1209 995 sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
1210 995 sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
1211 995 sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
1212 995 sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
1213 995 sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
1214 995 sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1;
1215
1216 995 sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
1217
1218
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995 if (av_mod_uintp2(sps->width, sps->log2_min_cb_size) ||
1219
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995 av_mod_uintp2(sps->height, sps->log2_min_cb_size)) {
1220 av_log(avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
1221 return AVERROR_INVALIDDATA;
1222 }
1223
1224
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995 if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_tb_size) {
1225 av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
1226 sps->max_transform_hierarchy_depth_inter);
1227 return AVERROR_INVALIDDATA;
1228 }
1229
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995 if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_tb_size) {
1230 av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
1231 sps->max_transform_hierarchy_depth_intra);
1232 return AVERROR_INVALIDDATA;
1233 }
1234
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995 if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
1235 av_log(avctx, AV_LOG_ERROR,
1236 "max transform block size out of range: %d\n",
1237 sps->log2_max_trafo_size);
1238 return AVERROR_INVALIDDATA;
1239 }
1240
1241
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995 if (get_bits_left(gb) < 0) {
1242 av_log(avctx, AV_LOG_ERROR,
1243 "Overread SPS by %d bits\n", -get_bits_left(gb));
1244 return AVERROR_INVALIDDATA;
1245 }
1246
1247 995 return 0;
1248 }
1249
1250 995 int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx,
1251 HEVCParamSets *ps, int apply_defdispwin)
1252 {
1253 HEVCSPS *sps;
1254 995 AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
1255 unsigned int sps_id;
1256 int ret;
1257 ptrdiff_t nal_size;
1258
1259
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995 if (!sps_buf)
1260 return AVERROR(ENOMEM);
1261 995 sps = (HEVCSPS*)sps_buf->data;
1262
1263 995 av_log(avctx, AV_LOG_DEBUG, "Decoding SPS\n");
1264
1265 995 nal_size = gb->buffer_end - gb->buffer;
1266
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995 if (nal_size > sizeof(sps->data)) {
1267 av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized SPS "
1268 "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
1269 nal_size, sizeof(sps->data));
1270 sps->data_size = sizeof(sps->data);
1271 } else {
1272 995 sps->data_size = nal_size;
1273 }
1274 995 memcpy(sps->data, gb->buffer, sps->data_size);
1275
1276 995 ret = ff_hevc_parse_sps(sps, gb, &sps_id,
1277 apply_defdispwin,
1278 995 ps->vps_list, avctx);
1279
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995 if (ret < 0) {
1280 av_buffer_unref(&sps_buf);
1281 return ret;
1282 }
1283
1284
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995 if (avctx->debug & FF_DEBUG_BITSTREAM) {
1285 av_log(avctx, AV_LOG_DEBUG,
1286 "Parsed SPS: id %d; coded wxh: %dx%d; "
1287 "cropped wxh: %dx%d; pix_fmt: %s.\n",
1288 sps_id, sps->width, sps->height,
1289 sps->width - (sps->output_window.left_offset + sps->output_window.right_offset),
1290 sps->height - (sps->output_window.top_offset + sps->output_window.bottom_offset),
1291 av_get_pix_fmt_name(sps->pix_fmt));
1292 }
1293
1294 /* check if this is a repeat of an already parsed SPS, then keep the
1295 * original one.
1296 * otherwise drop all PPSes that depend on it */
1297
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995 if (ps->sps_list[sps_id] &&
1298
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423 !memcmp(ps->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
1299 415 av_buffer_unref(&sps_buf);
1300 } else {
1301 580 remove_sps(ps, sps_id);
1302 580 ps->sps_list[sps_id] = sps_buf;
1303 }
1304
1305 995 return 0;
1306 }
1307
1308 3203 static void hevc_pps_free(void *opaque, uint8_t *data)
1309 {
1310 3203 HEVCPPS *pps = (HEVCPPS*)data;
1311
1312 3203 av_freep(&pps->column_width);
1313 3203 av_freep(&pps->row_height);
1314 3203 av_freep(&pps->col_bd);
1315 3203 av_freep(&pps->row_bd);
1316 3203 av_freep(&pps->col_idxX);
1317 3203 av_freep(&pps->ctb_addr_rs_to_ts);
1318 3203 av_freep(&pps->ctb_addr_ts_to_rs);
1319 3203 av_freep(&pps->tile_pos_rs);
1320 3203 av_freep(&pps->tile_id);
1321 3203 av_freep(&pps->min_tb_addr_zs_tab);
1322
1323 3203 av_freep(&pps);
1324 3203 }
1325
1326 76 static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx,
1327 HEVCPPS *pps, HEVCSPS *sps) {
1328 int i;
1329
1330
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76 if (pps->transform_skip_enabled_flag) {
1331 76 pps->log2_max_transform_skip_block_size = get_ue_golomb_long(gb) + 2;
1332 }
1333 76 pps->cross_component_prediction_enabled_flag = get_bits1(gb);
1334 76 pps->chroma_qp_offset_list_enabled_flag = get_bits1(gb);
1335
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76 if (pps->chroma_qp_offset_list_enabled_flag) {
1336 10 pps->diff_cu_chroma_qp_offset_depth = get_ue_golomb_long(gb);
1337 10 pps->chroma_qp_offset_list_len_minus1 = get_ue_golomb_long(gb);
1338
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10 if (pps->chroma_qp_offset_list_len_minus1 > 5) {
1339 av_log(avctx, AV_LOG_ERROR,
1340 "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n");
1341 return AVERROR_INVALIDDATA;
1342 }
1343
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20 for (i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
1344 10 pps->cb_qp_offset_list[i] = get_se_golomb_long(gb);
1345
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10 if (pps->cb_qp_offset_list[i]) {
1346 10 av_log(avctx, AV_LOG_WARNING,
1347 "cb_qp_offset_list not tested yet.\n");
1348 }
1349 10 pps->cr_qp_offset_list[i] = get_se_golomb_long(gb);
1350
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10 if (pps->cr_qp_offset_list[i]) {
1351 10 av_log(avctx, AV_LOG_WARNING,
1352 "cb_qp_offset_list not tested yet.\n");
1353 }
1354 }
1355 }
1356 76 pps->log2_sao_offset_scale_luma = get_ue_golomb_long(gb);
1357 76 pps->log2_sao_offset_scale_chroma = get_ue_golomb_long(gb);
1358
1359
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76 if ( pps->log2_sao_offset_scale_luma > FFMAX(sps->bit_depth - 10, 0)
1360
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76 || pps->log2_sao_offset_scale_chroma > FFMAX(sps->bit_depth_chroma - 10, 0)
1361 )
1362 return AVERROR_INVALIDDATA;
1363
1364 76 return(0);
1365 }
1366
1367 3199 static inline int setup_pps(AVCodecContext *avctx, GetBitContext *gb,
1368 HEVCPPS *pps, HEVCSPS *sps)
1369 {
1370 int log2_diff;
1371 int pic_area_in_ctbs;
1372 int i, j, x, y, ctb_addr_rs, tile_id;
1373
1374 // Inferred parameters
1375 3199 pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
1376 3199 pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
1377 3199 pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
1378
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3199 if (!pps->col_bd || !pps->row_bd || !pps->col_idxX)
1379 return AVERROR(ENOMEM);
1380
1381
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3199 if (pps->uniform_spacing_flag) {
1382
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2667 if (!pps->column_width) {
1383 2291 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1384 2291 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1385 }
1386
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2667 if (!pps->column_width || !pps->row_height)
1387 return AVERROR(ENOMEM);
1388
1389
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5601 for (i = 0; i < pps->num_tile_columns; i++) {
1390 2934 pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
1391 2934 (i * sps->ctb_width) / pps->num_tile_columns;
1392 }
1393
1394
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5632 for (i = 0; i < pps->num_tile_rows; i++) {
1395 2965 pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
1396 2965 (i * sps->ctb_height) / pps->num_tile_rows;
1397 }
1398 }
1399
1400 3199 pps->col_bd[0] = 0;
1401
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8741 for (i = 0; i < pps->num_tile_columns; i++)
1402 5542 pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
1403
1404 3199 pps->row_bd[0] = 0;
1405
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8758 for (i = 0; i < pps->num_tile_rows; i++)
1406 5559 pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
1407
1408
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57962 for (i = 0, j = 0; i < sps->ctb_width; i++) {
1409
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54763 if (i > pps->col_bd[j])
1410 5528 j++;
1411 54763 pps->col_idxX[i] = j;
1412 }
1413
1414 /**
1415 * 6.5
1416 */
1417 3199 pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
1418
1419 3199 pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
1420 3199 pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
1421 3199 pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
1422 3199 pps->min_tb_addr_zs_tab = av_malloc_array((sps->tb_mask+2) * (sps->tb_mask+2), sizeof(*pps->min_tb_addr_zs_tab));
1423
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3199 if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
1424
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3199 !pps->tile_id || !pps->min_tb_addr_zs_tab) {
1425 return AVERROR(ENOMEM);
1426 }
1427
1428
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764986 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1429 761787 int tb_x = ctb_addr_rs % sps->ctb_width;
1430 761787 int tb_y = ctb_addr_rs / sps->ctb_width;
1431 761787 int tile_x = 0;
1432 761787 int tile_y = 0;
1433 761787 int val = 0;
1434
1435
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1332521 for (i = 0; i < pps->num_tile_columns; i++) {
1436
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1332521 if (tb_x < pps->col_bd[i + 1]) {
1437 761787 tile_x = i;
1438 761787 break;
1439 }
1440 }
1441
1442
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1181253 for (i = 0; i < pps->num_tile_rows; i++) {
1443
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1181253 if (tb_y < pps->row_bd[i + 1]) {
1444 761787 tile_y = i;
1445 761787 break;
1446 }
1447 }
1448
1449
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1332521 for (i = 0; i < tile_x; i++)
1450 570734 val += pps->row_height[tile_y] * pps->column_width[i];
1451
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1181253 for (i = 0; i < tile_y; i++)
1452 419466 val += sps->ctb_width * pps->row_height[i];
1453
1454 761787 val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
1455 761787 tb_x - pps->col_bd[tile_x];
1456
1457 761787 pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
1458 761787 pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
1459 }
1460
1461
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8758 for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
1462
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21762 for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
1463
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93660 for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
1464
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839244 for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
1465 761787 pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
1466
1467 3199 pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
1468
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3199 if (!pps->tile_pos_rs)
1469 return AVERROR(ENOMEM);
1470
1471
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8758 for (j = 0; j < pps->num_tile_rows; j++)
1472
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21762 for (i = 0; i < pps->num_tile_columns; i++)
1473 16203 pps->tile_pos_rs[j * pps->num_tile_columns + i] =
1474 16203 pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
1475
1476 3199 log2_diff = sps->log2_ctb_size - sps->log2_min_tb_size;
1477 3199 pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1];
1478
2/2
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56430 for (y = 0; y < sps->tb_mask+2; y++) {
1479 53231 pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1;
1480 53231 pps->min_tb_addr_zs_tab[y] = -1;
1481 }
1482
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53231 for (y = 0; y < sps->tb_mask+1; y++) {
1483
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843632 for (x = 0; x < sps->tb_mask+1; x++) {
1484 793600 int tb_x = x >> log2_diff;
1485 793600 int tb_y = y >> log2_diff;
1486 793600 int rs = sps->ctb_width * tb_y + tb_x;
1487 793600 int val = pps->ctb_addr_rs_to_ts[rs] << (log2_diff * 2);
1488
2/2
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3961856 for (i = 0; i < log2_diff; i++) {
1489 3168256 int m = 1 << i;
1490
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3168256 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1491 }
1492 793600 pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val;
1493 }
1494 }
1495
1496 3199 return 0;
1497 }
1498
1499 3203 int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx,
1500 HEVCParamSets *ps)
1501 {
1502 3203 HEVCSPS *sps = NULL;
1503 3203 int i, ret = 0;
1504 3203 unsigned int pps_id = 0;
1505 ptrdiff_t nal_size;
1506 unsigned log2_parallel_merge_level_minus2;
1507
1508 AVBufferRef *pps_buf;
1509 3203 HEVCPPS *pps = av_mallocz(sizeof(*pps));
1510
1511
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3203 if (!pps)
1512 return AVERROR(ENOMEM);
1513
1514 3203 pps_buf = av_buffer_create((uint8_t *)pps, sizeof(*pps),
1515 hevc_pps_free, NULL, 0);
1516
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3203 if (!pps_buf) {
1517 av_freep(&pps);
1518 return AVERROR(ENOMEM);
1519 }
1520
1521 3203 av_log(avctx, AV_LOG_DEBUG, "Decoding PPS\n");
1522
1523 3203 nal_size = gb->buffer_end - gb->buffer;
1524
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3203 if (nal_size > sizeof(pps->data)) {
1525 av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized PPS "
1526 "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
1527 nal_size, sizeof(pps->data));
1528 pps->data_size = sizeof(pps->data);
1529 } else {
1530 3203 pps->data_size = nal_size;
1531 }
1532 3203 memcpy(pps->data, gb->buffer, pps->data_size);
1533
1534 // Default values
1535 3203 pps->loop_filter_across_tiles_enabled_flag = 1;
1536 3203 pps->num_tile_columns = 1;
1537 3203 pps->num_tile_rows = 1;
1538 3203 pps->uniform_spacing_flag = 1;
1539 3203 pps->disable_dbf = 0;
1540 3203 pps->beta_offset = 0;
1541 3203 pps->tc_offset = 0;
1542 3203 pps->log2_max_transform_skip_block_size = 2;
1543
1544 // Coded parameters
1545 3203 pps_id = get_ue_golomb_long(gb);
1546
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3203 if (pps_id >= HEVC_MAX_PPS_COUNT) {
1547 av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
1548 ret = AVERROR_INVALIDDATA;
1549 goto err;
1550 }
1551 3203 pps->sps_id = get_ue_golomb_long(gb);
1552
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3203 if (pps->sps_id >= HEVC_MAX_SPS_COUNT) {
1553 av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
1554 ret = AVERROR_INVALIDDATA;
1555 goto err;
1556 }
1557
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3203 if (!ps->sps_list[pps->sps_id]) {
1558 4 av_log(avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id);
1559 4 ret = AVERROR_INVALIDDATA;
1560 4 goto err;
1561 }
1562 3199 sps = (HEVCSPS *)ps->sps_list[pps->sps_id]->data;
1563
1564 3199 pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
1565 3199 pps->output_flag_present_flag = get_bits1(gb);
1566 3199 pps->num_extra_slice_header_bits = get_bits(gb, 3);
1567
1568 3199 pps->sign_data_hiding_flag = get_bits1(gb);
1569
1570 3199 pps->cabac_init_present_flag = get_bits1(gb);
1571
1572 3199 pps->num_ref_idx_l0_default_active = get_ue_golomb_long(gb) + 1;
1573 3199 pps->num_ref_idx_l1_default_active = get_ue_golomb_long(gb) + 1;
1574
1575 3199 pps->pic_init_qp_minus26 = get_se_golomb(gb);
1576
1577 3199 pps->constrained_intra_pred_flag = get_bits1(gb);
1578 3199 pps->transform_skip_enabled_flag = get_bits1(gb);
1579
1580 3199 pps->cu_qp_delta_enabled_flag = get_bits1(gb);
1581 3199 pps->diff_cu_qp_delta_depth = 0;
1582
2/2
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3199 if (pps->cu_qp_delta_enabled_flag)
1583 485 pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);
1584
1585
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3199 if (pps->diff_cu_qp_delta_depth < 0 ||
1586
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3199 pps->diff_cu_qp_delta_depth > sps->log2_diff_max_min_coding_block_size) {
1587 av_log(avctx, AV_LOG_ERROR, "diff_cu_qp_delta_depth %d is invalid\n",
1588 pps->diff_cu_qp_delta_depth);
1589 ret = AVERROR_INVALIDDATA;
1590 goto err;
1591 }
1592
1593 3199 pps->cb_qp_offset = get_se_golomb(gb);
1594
2/4
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3199 if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
1595 av_log(avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
1596 pps->cb_qp_offset);
1597 ret = AVERROR_INVALIDDATA;
1598 goto err;
1599 }
1600 3199 pps->cr_qp_offset = get_se_golomb(gb);
1601
2/4
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3199 if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
1602 av_log(avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
1603 pps->cr_qp_offset);
1604 ret = AVERROR_INVALIDDATA;
1605 goto err;
1606 }
1607 3199 pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
1608
1609 3199 pps->weighted_pred_flag = get_bits1(gb);
1610 3199 pps->weighted_bipred_flag = get_bits1(gb);
1611
1612 3199 pps->transquant_bypass_enable_flag = get_bits1(gb);
1613 3199 pps->tiles_enabled_flag = get_bits1(gb);
1614 3199 pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
1615
1616
2/2
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3199 if (pps->tiles_enabled_flag) {
1617 908 int num_tile_columns_minus1 = get_ue_golomb(gb);
1618 908 int num_tile_rows_minus1 = get_ue_golomb(gb);
1619
1620
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908 if (num_tile_columns_minus1 < 0 ||
1621
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908 num_tile_columns_minus1 >= sps->ctb_width) {
1622 av_log(avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
1623 num_tile_columns_minus1);
1624 ret = num_tile_columns_minus1 < 0 ? num_tile_columns_minus1 : AVERROR_INVALIDDATA;
1625 goto err;
1626 }
1627
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908 if (num_tile_rows_minus1 < 0 ||
1628
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908 num_tile_rows_minus1 >= sps->ctb_height) {
1629 av_log(avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
1630 num_tile_rows_minus1);
1631 ret = num_tile_rows_minus1 < 0 ? num_tile_rows_minus1 : AVERROR_INVALIDDATA;
1632 goto err;
1633 }
1634 908 pps->num_tile_columns = num_tile_columns_minus1 + 1;
1635 908 pps->num_tile_rows = num_tile_rows_minus1 + 1;
1636
1637 908 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1638 908 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1639
2/4
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908 if (!pps->column_width || !pps->row_height) {
1640 ret = AVERROR(ENOMEM);
1641 goto err;
1642 }
1643
1644 908 pps->uniform_spacing_flag = get_bits1(gb);
1645
2/2
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908 if (!pps->uniform_spacing_flag) {
1646 532 uint64_t sum = 0;
1647
2/2
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✓ Branch 1 taken 532 times.
2608 for (i = 0; i < pps->num_tile_columns - 1; i++) {
1648 2076 pps->column_width[i] = get_ue_golomb_long(gb) + 1;
1649 2076 sum += pps->column_width[i];
1650 }
1651
1/2
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532 if (sum >= sps->ctb_width) {
1652 av_log(avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
1653 ret = AVERROR_INVALIDDATA;
1654 goto err;
1655 }
1656 532 pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
1657
1658 532 sum = 0;
1659
2/2
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2594 for (i = 0; i < pps->num_tile_rows - 1; i++) {
1660 2062 pps->row_height[i] = get_ue_golomb_long(gb) + 1;
1661 2062 sum += pps->row_height[i];
1662 }
1663
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532 if (sum >= sps->ctb_height) {
1664 av_log(avctx, AV_LOG_ERROR, "Invalid tile heights.\n");
1665 ret = AVERROR_INVALIDDATA;
1666 goto err;
1667 }
1668 532 pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
1669 }
1670 908 pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb);
1671 }
1672
1673 3199 pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb);
1674
1675 3199 pps->deblocking_filter_control_present_flag = get_bits1(gb);
1676
2/2
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3199 if (pps->deblocking_filter_control_present_flag) {
1677 1003 pps->deblocking_filter_override_enabled_flag = get_bits1(gb);
1678 1003 pps->disable_dbf = get_bits1(gb);
1679
2/2
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1003 if (!pps->disable_dbf) {
1680 861 int beta_offset_div2 = get_se_golomb(gb);
1681 861 int tc_offset_div2 = get_se_golomb(gb) ;
1682
2/4
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861 if (beta_offset_div2 < -6 || beta_offset_div2 > 6) {
1683 av_log(avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n",
1684 beta_offset_div2);
1685 ret = AVERROR_INVALIDDATA;
1686 goto err;
1687 }
1688
2/4
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861 if (tc_offset_div2 < -6 || tc_offset_div2 > 6) {
1689 av_log(avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n",
1690 tc_offset_div2);
1691 ret = AVERROR_INVALIDDATA;
1692 goto err;
1693 }
1694 861 pps->beta_offset = 2 * beta_offset_div2;
1695 861 pps->tc_offset = 2 * tc_offset_div2;
1696 }
1697 }
1698
1699 3199 pps->scaling_list_data_present_flag = get_bits1(gb);
1700
2/2
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✓ Branch 1 taken 2736 times.
3199 if (pps->scaling_list_data_present_flag) {
1701 463 set_default_scaling_list_data(&pps->scaling_list);
1702 463 ret = scaling_list_data(gb, avctx, &pps->scaling_list, sps);
1703
1/2
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✓ Branch 1 taken 463 times.
463 if (ret < 0)
1704 goto err;
1705 }
1706 3199 pps->lists_modification_present_flag = get_bits1(gb);
1707 3199 log2_parallel_merge_level_minus2 = get_ue_golomb_long(gb);
1708
1/2
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3199 if (log2_parallel_merge_level_minus2 > sps->log2_ctb_size) {
1709 av_log(avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n",
1710 log2_parallel_merge_level_minus2);
1711 ret = AVERROR_INVALIDDATA;
1712 goto err;
1713 }
1714 3199 pps->log2_parallel_merge_level = log2_parallel_merge_level_minus2 + 2;
1715
1716 3199 pps->slice_header_extension_present_flag = get_bits1(gb);
1717
1718
2/2
✓ Branch 1 taken 91 times.
✓ Branch 2 taken 3108 times.
3199 if (get_bits1(gb)) { // pps_extension_present_flag
1719 91 pps->pps_range_extensions_flag = get_bits1(gb);
1720 91 skip_bits(gb, 7); // pps_extension_7bits
1721
3/4
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91 if (sps->ptl.general_ptl.profile_idc == FF_PROFILE_HEVC_REXT && pps->pps_range_extensions_flag) {
1722
1/2
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✓ Branch 2 taken 76 times.
76 if ((ret = pps_range_extensions(gb, avctx, pps, sps)) < 0)
1723 goto err;
1724 }
1725 }
1726
1727 3199 ret = setup_pps(avctx, gb, pps, sps);
1728
1/2
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3199 if (ret < 0)
1729 goto err;
1730
1731
1/2
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✓ Branch 2 taken 3199 times.
3199 if (get_bits_left(gb) < 0) {
1732 av_log(avctx, AV_LOG_ERROR,
1733 "Overread PPS by %d bits\n", -get_bits_left(gb));
1734 goto err;
1735 }
1736
1737 3199 remove_pps(ps, pps_id);
1738 3199 ps->pps_list[pps_id] = pps_buf;
1739
1740 3199 return 0;
1741
1742 4 err:
1743 4 av_buffer_unref(&pps_buf);
1744 4 return ret;
1745 }
1746
1747 567 void ff_hevc_ps_uninit(HEVCParamSets *ps)
1748 {
1749 int i;
1750
1751
2/2
✓ Branch 0 taken 9072 times.
✓ Branch 1 taken 567 times.
9639 for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
1752 9072 av_buffer_unref(&ps->vps_list[i]);
1753
2/2
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✓ Branch 1 taken 567 times.
9639 for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
1754 9072 av_buffer_unref(&ps->sps_list[i]);
1755
2/2
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✓ Branch 1 taken 567 times.
36855 for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
1756 36288 av_buffer_unref(&ps->pps_list[i]);
1757
1758 567 ps->sps = NULL;
1759 567 ps->pps = NULL;
1760 567 ps->vps = NULL;
1761 567 }
1762
1763 30271 int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)
1764 {
1765 30271 int max_poc_lsb = 1 << sps->log2_max_poc_lsb;
1766 30271 int prev_poc_lsb = pocTid0 % max_poc_lsb;
1767 30271 int prev_poc_msb = pocTid0 - prev_poc_lsb;
1768 int poc_msb;
1769
1770
4/4
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✓ Branch 2 taken 40 times.
✓ Branch 3 taken 10230 times.
30271 if (poc_lsb < prev_poc_lsb && prev_poc_lsb - poc_lsb >= max_poc_lsb / 2)
1771 40 poc_msb = prev_poc_msb + max_poc_lsb;
1772
4/4
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✓ Branch 3 taken 14157 times.
30231 else if (poc_lsb > prev_poc_lsb && poc_lsb - prev_poc_lsb > max_poc_lsb / 2)
1773 252 poc_msb = prev_poc_msb - max_poc_lsb;
1774 else
1775 29979 poc_msb = prev_poc_msb;
1776
1777 // For BLA picture types, POCmsb is set to 0.
1778
4/4
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30271 if (nal_unit_type == HEVC_NAL_BLA_W_LP ||
1779
2/2
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✓ Branch 1 taken 30247 times.
30250 nal_unit_type == HEVC_NAL_BLA_W_RADL ||
1780 nal_unit_type == HEVC_NAL_BLA_N_LP)
1781 24 poc_msb = 0;
1782
1783 30271 return poc_msb + poc_lsb;
1784 }
1785