FFmpeg  4.4.6
hevc_ps.c
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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 
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 
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 static void remove_pps(HEVCParamSets *s, int id)
82 {
83  if (s->pps_list[id] && s->pps == (const HEVCPPS*)s->pps_list[id]->data)
84  s->pps = NULL;
85  av_buffer_unref(&s->pps_list[id]);
86 }
87 
88 static void remove_sps(HEVCParamSets *s, int id)
89 {
90  int i;
91  if (s->sps_list[id]) {
92  if (s->sps == (const HEVCSPS*)s->sps_list[id]->data)
93  s->sps = NULL;
94 
95  /* drop all PPS that depend on this SPS */
96  for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
97  if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == id)
98  remove_pps(s, i);
99 
100  av_assert0(!(s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data));
101  }
102  av_buffer_unref(&s->sps_list[id]);
103 }
104 
105 static void remove_vps(HEVCParamSets *s, int id)
106 {
107  int i;
108  if (s->vps_list[id]) {
109  if (s->vps == (const HEVCVPS*)s->vps_list[id]->data)
110  s->vps = NULL;
111 
112  for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
113  if (s->sps_list[i] && ((HEVCSPS*)s->sps_list[i]->data)->vps_id == id)
114  remove_sps(s, i);
115  }
116  av_buffer_unref(&s->vps_list[id]);
117 }
118 
120  ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
121 {
122  uint8_t rps_predict = 0;
123  int delta_poc;
124  int k0 = 0;
125  int k1 = 0;
126  int k = 0;
127  int i;
128 
129  if (rps != sps->st_rps && sps->nb_st_rps)
130  rps_predict = get_bits1(gb);
131 
132  if (rps_predict) {
133  const ShortTermRPS *rps_ridx;
134  int delta_rps;
135  unsigned abs_delta_rps;
136  uint8_t use_delta_flag = 0;
137  uint8_t delta_rps_sign;
138 
139  if (is_slice_header) {
140  unsigned int delta_idx = get_ue_golomb_long(gb) + 1;
141  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  rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx];
148  rps->rps_idx_num_delta_pocs = rps_ridx->num_delta_pocs;
149  } else
150  rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
151 
152  delta_rps_sign = get_bits1(gb);
153  abs_delta_rps = get_ue_golomb_long(gb) + 1;
154  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  delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
161  for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
162  int used = rps->used[k] = get_bits1(gb);
163 
164  if (!used)
165  use_delta_flag = get_bits1(gb);
166 
167  if (used || use_delta_flag) {
168  if (i < rps_ridx->num_delta_pocs)
169  delta_poc = delta_rps + rps_ridx->delta_poc[i];
170  else
171  delta_poc = delta_rps;
172  rps->delta_poc[k] = delta_poc;
173  if (delta_poc < 0)
174  k0++;
175  else
176  k1++;
177  k++;
178  }
179  }
180 
181  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  rps->num_delta_pocs = k;
188  rps->num_negative_pics = k0;
189  // sort in increasing order (smallest first)
190  if (rps->num_delta_pocs != 0) {
191  int used, tmp;
192  for (i = 1; i < rps->num_delta_pocs; i++) {
193  delta_poc = rps->delta_poc[i];
194  used = rps->used[i];
195  for (k = i - 1; k >= 0; k--) {
196  tmp = rps->delta_poc[k];
197  if (delta_poc < tmp) {
198  rps->delta_poc[k + 1] = tmp;
199  rps->used[k + 1] = rps->used[k];
200  rps->delta_poc[k] = delta_poc;
201  rps->used[k] = used;
202  }
203  }
204  }
205  }
206  if ((rps->num_negative_pics >> 1) != 0) {
207  int used;
208  k = rps->num_negative_pics - 1;
209  // flip the negative values to largest first
210  for (i = 0; i < rps->num_negative_pics >> 1; i++) {
211  delta_poc = rps->delta_poc[i];
212  used = rps->used[i];
213  rps->delta_poc[i] = rps->delta_poc[k];
214  rps->used[i] = rps->used[k];
215  rps->delta_poc[k] = delta_poc;
216  rps->used[k] = used;
217  k--;
218  }
219  }
220  } else {
221  unsigned int prev, nb_positive_pics;
223  nb_positive_pics = get_ue_golomb_long(gb);
224 
225  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  rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
232  if (rps->num_delta_pocs) {
233  prev = 0;
234  for (i = 0; i < rps->num_negative_pics; i++) {
235  delta_poc = get_ue_golomb_long(gb) + 1;
236  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  prev -= delta_poc;
243  rps->delta_poc[i] = prev;
244  rps->used[i] = get_bits1(gb);
245  }
246  prev = 0;
247  for (i = 0; i < nb_positive_pics; i++) {
248  delta_poc = get_ue_golomb_long(gb) + 1;
249  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  prev += delta_poc;
256  rps->delta_poc[rps->num_negative_pics + i] = prev;
257  rps->used[rps->num_negative_pics + i] = get_bits1(gb);
258  }
259  }
260  }
261  return 0;
262 }
263 
264 
266  PTLCommon *ptl)
267 {
268  int i;
269 
270  if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 43 + 1)
271  return -1;
272 
273  ptl->profile_space = get_bits(gb, 2);
274  ptl->tier_flag = get_bits1(gb);
275  ptl->profile_idc = get_bits(gb, 5);
276  if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN)
277  av_log(avctx, AV_LOG_DEBUG, "Main profile bitstream\n");
278  else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_10)
279  av_log(avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n");
280  else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_STILL_PICTURE)
281  av_log(avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n");
282  else if (ptl->profile_idc == FF_PROFILE_HEVC_REXT)
283  av_log(avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n");
284  else
285  av_log(avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc);
286 
287  for (i = 0; i < 32; i++) {
288  ptl->profile_compatibility_flag[i] = get_bits1(gb);
289 
290  if (ptl->profile_idc == 0 && i > 0 && ptl->profile_compatibility_flag[i])
291  ptl->profile_idc = i;
292  }
293  ptl->progressive_source_flag = get_bits1(gb);
294  ptl->interlaced_source_flag = get_bits1(gb);
295  ptl->non_packed_constraint_flag = get_bits1(gb);
296  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 
303  check_profile_idc(10)) {
304 
305  ptl->max_12bit_constraint_flag = get_bits1(gb);
306  ptl->max_10bit_constraint_flag = get_bits1(gb);
307  ptl->max_8bit_constraint_flag = get_bits1(gb);
308  ptl->max_422chroma_constraint_flag = get_bits1(gb);
309  ptl->max_420chroma_constraint_flag = get_bits1(gb);
310  ptl->max_monochrome_constraint_flag = get_bits1(gb);
311  ptl->intra_constraint_flag = get_bits1(gb);
312  ptl->one_picture_only_constraint_flag = get_bits1(gb);
313  ptl->lower_bit_rate_constraint_flag = get_bits1(gb);
314 
316  ptl->max_14bit_constraint_flag = get_bits1(gb);
317  skip_bits_long(gb, 33); // XXX_reserved_zero_33bits[0..32]
318  } else {
319  skip_bits_long(gb, 34); // XXX_reserved_zero_34bits[0..33]
320  }
321  } else if (check_profile_idc(2)) {
322  skip_bits(gb, 7);
323  ptl->one_picture_only_constraint_flag = get_bits1(gb);
324  skip_bits_long(gb, 35); // XXX_reserved_zero_35bits[0..34]
325  } else {
326  skip_bits_long(gb, 43); // XXX_reserved_zero_43bits[0..42]
327  }
328 
331  ptl->inbld_flag = get_bits1(gb);
332  else
333  skip_bits1(gb);
334 #undef check_profile_idc
335 
336  return 0;
337 }
338 
339 static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx,
340  PTL *ptl, int max_num_sub_layers)
341 {
342  int i;
343  if (decode_profile_tier_level(gb, avctx, &ptl->general_ptl) < 0 ||
344  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  ptl->general_ptl.level_idc = get_bits(gb, 8);
350 
351  for (i = 0; i < max_num_sub_layers - 1; i++) {
354  }
355 
356  if (max_num_sub_layers - 1> 0)
357  for (i = max_num_sub_layers - 1; i < 8; i++)
358  skip_bits(gb, 2); // reserved_zero_2bits[i]
359  for (i = 0; i < max_num_sub_layers - 1; i++) {
361  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  }
367  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  ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8);
373  }
374  }
375 
376  return 0;
377 }
378 
379 static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb,
380  int subpic_params_present)
381 {
382  int i;
383 
384  for (i = 0; i < nb_cpb; i++) {
385  get_ue_golomb_long(gb); // bit_rate_value_minus1
386  get_ue_golomb_long(gb); // cpb_size_value_minus1
387 
388  if (subpic_params_present) {
389  get_ue_golomb_long(gb); // cpb_size_du_value_minus1
390  get_ue_golomb_long(gb); // bit_rate_du_value_minus1
391  }
392  skip_bits1(gb); // cbr_flag
393  }
394 }
395 
396 static int decode_hrd(GetBitContext *gb, int common_inf_present,
397  int max_sublayers)
398 {
399  int nal_params_present = 0, vcl_params_present = 0;
400  int subpic_params_present = 0;
401  int i;
402 
403  if (common_inf_present) {
404  nal_params_present = get_bits1(gb);
405  vcl_params_present = get_bits1(gb);
406 
407  if (nal_params_present || vcl_params_present) {
408  subpic_params_present = get_bits1(gb);
409 
410  if (subpic_params_present) {
411  skip_bits(gb, 8); // tick_divisor_minus2
412  skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1
413  skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
414  skip_bits(gb, 5); // dpb_output_delay_du_length_minus1
415  }
416 
417  skip_bits(gb, 4); // bit_rate_scale
418  skip_bits(gb, 4); // cpb_size_scale
419 
420  if (subpic_params_present)
421  skip_bits(gb, 4); // cpb_size_du_scale
422 
423  skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1
424  skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1
425  skip_bits(gb, 5); // dpb_output_delay_length_minus1
426  }
427  }
428 
429  for (i = 0; i < max_sublayers; i++) {
430  int low_delay = 0;
431  unsigned int nb_cpb = 1;
432  int fixed_rate = get_bits1(gb);
433 
434  if (!fixed_rate)
435  fixed_rate = get_bits1(gb);
436 
437  if (fixed_rate)
438  get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1
439  else
440  low_delay = get_bits1(gb);
441 
442  if (!low_delay) {
443  nb_cpb = get_ue_golomb_long(gb) + 1;
444  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  if (nal_params_present)
451  decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
452  if (vcl_params_present)
453  decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
454  }
455  return 0;
456 }
457 
459  HEVCParamSets *ps)
460 {
461  int i,j;
462  int vps_id = 0;
463  ptrdiff_t nal_size;
464  HEVCVPS *vps;
465  AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps));
466 
467  if (!vps_buf)
468  return AVERROR(ENOMEM);
469  vps = (HEVCVPS*)vps_buf->data;
470 
471  av_log(avctx, AV_LOG_DEBUG, "Decoding VPS\n");
472 
473  nal_size = gb->buffer_end - gb->buffer;
474  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  vps->data_size = nal_size;
481  }
482  memcpy(vps->data, gb->buffer, vps->data_size);
483 
484  vps_id = get_bits(gb, 4);
485 
486  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  vps->vps_max_layers = get_bits(gb, 6) + 1;
492  vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
493  vps->vps_temporal_id_nesting_flag = get_bits1(gb);
494 
495  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  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  if (parse_ptl(gb, avctx, &vps->ptl, vps->vps_max_sub_layers) < 0)
507  goto err;
508 
509  vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
510 
511  i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
512  for (; i < vps->vps_max_sub_layers; i++) {
513  vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1;
514  vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb);
515  vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1;
516 
517  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  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  vps->vps_max_layer_id = get_bits(gb, 6);
531  vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
532  if (vps->vps_num_layer_sets < 1 || vps->vps_num_layer_sets > 1024 ||
533  (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  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  vps->vps_timing_info_present_flag = get_bits1(gb);
543  if (vps->vps_timing_info_present_flag) {
544  vps->vps_num_units_in_tick = get_bits_long(gb, 32);
545  vps->vps_time_scale = get_bits_long(gb, 32);
546  vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
547  if (vps->vps_poc_proportional_to_timing_flag)
548  vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1;
549  vps->vps_num_hrd_parameters = get_ue_golomb_long(gb);
550  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  for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
556  int common_inf_present = 1;
557 
558  get_ue_golomb_long(gb); // hrd_layer_set_idx
559  if (i)
560  common_inf_present = get_bits1(gb);
561  decode_hrd(gb, common_inf_present, vps->vps_max_sub_layers);
562  }
563  }
564  get_bits1(gb); /* vps_extension_flag */
565 
566  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  if (ps->vps_list[vps_id] &&
574  !memcmp(ps->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) {
575  av_buffer_unref(&vps_buf);
576  } else {
577  remove_vps(ps, vps_id);
578  ps->vps_list[vps_id] = vps_buf;
579  }
580 
581  return 0;
582 
583 err:
584  av_buffer_unref(&vps_buf);
585  return AVERROR_INVALIDDATA;
586 }
587 
588 static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
589  int apply_defdispwin, HEVCSPS *sps)
590 {
591  VUI backup_vui, *vui = &sps->vui;
592  GetBitContext backup;
593  int sar_present, alt = 0;
594 
595  av_log(avctx, AV_LOG_DEBUG, "Decoding VUI\n");
596 
597  sar_present = get_bits1(gb);
598  if (sar_present) {
599  uint8_t sar_idx = get_bits(gb, 8);
600  if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
601  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 
613 
616  vui->video_format = get_bits(gb, 3);
617  vui->video_full_range_flag = get_bits1(gb);
619  if (vui->video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P)
620  sps->pix_fmt = AV_PIX_FMT_YUVJ420P;
622  vui->colour_primaries = get_bits(gb, 8);
623  vui->transfer_characteristic = get_bits(gb, 8);
624  vui->matrix_coeffs = get_bits(gb, 8);
625 
626  // Set invalid values to "unspecified"
633  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;
639  sps->pix_fmt = AV_PIX_FMT_GBRP10;
640  break;
642  sps->pix_fmt = AV_PIX_FMT_GBRP12;
643  break;
644  }
645  }
646  }
647  }
648 
650  if (vui->chroma_loc_info_present_flag) {
653  }
654 
656  vui->field_seq_flag = get_bits1(gb);
658 
659  // Backup context in case an alternate header is detected
660  memcpy(&backup, gb, sizeof(backup));
661  memcpy(&backup_vui, vui, sizeof(backup_vui));
662  if (get_bits_left(gb) >= 68 && show_bits_long(gb, 21) == 0x100000) {
664  av_log(avctx, AV_LOG_WARNING, "Invalid default display window\n");
665  } else
667 
668  if (vui->default_display_window_flag) {
669  int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
670  int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
671  vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
672  vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
673  vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
674  vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
675 
676  if (apply_defdispwin &&
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",
685 
688  vui->def_disp_win.top_offset =
689  vui->def_disp_win.bottom_offset = 0;
690  }
691  }
692 
695 
696  if (vui->vui_timing_info_present_flag) {
697  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  vui->vui_num_units_in_tick = get_bits_long(gb, 32);
708  vui->vui_time_scale = get_bits_long(gb, 32);
709  if (alt) {
710  av_log(avctx, AV_LOG_INFO, "Retry got %"PRIu32"/%"PRIu32" fps\n",
712  }
718  decode_hrd(gb, 1, sps->max_sub_layers);
719  }
720 
722  if (vui->bitstream_restriction_flag) {
723  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  }
740  }
741 
742  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 }
752 
754 {
755  int matrixId;
756 
757  for (matrixId = 0; matrixId < 6; matrixId++) {
758  // 4x4 default is 16
759  memset(sl->sl[0][matrixId], 16, 16);
760  sl->sl_dc[0][matrixId] = 16; // default for 16x16
761  sl->sl_dc[1][matrixId] = 16; // default for 32x32
762  }
763  memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
764  memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
765  memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
766  memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
767  memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
768  memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
769  memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
770  memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
771  memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
772  memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
773  memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
774  memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
775  memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
776  memcpy(sl->sl[3][1], default_scaling_list_intra, 64);
777  memcpy(sl->sl[3][2], default_scaling_list_intra, 64);
778  memcpy(sl->sl[3][3], default_scaling_list_inter, 64);
779  memcpy(sl->sl[3][4], default_scaling_list_inter, 64);
780  memcpy(sl->sl[3][5], default_scaling_list_inter, 64);
781 }
782 
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  for (size_id = 0; size_id < 4; size_id++)
791  for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
792  scaling_list_pred_mode_flag = get_bits1(gb);
793  if (!scaling_list_pred_mode_flag) {
794  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  if (delta) {
798  // Copy from previous array.
799  delta *= (size_id == 3) ? 3 : 1;
800  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  memcpy(sl->sl[size_id][matrix_id],
807  sl->sl[size_id][matrix_id - delta],
808  size_id > 0 ? 64 : 16);
809  if (size_id > 1)
810  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  next_coef = 8;
817  coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
818  if (size_id > 1) {
819  int scaling_list_coeff_minus8 = get_se_golomb(gb);
820  if (scaling_list_coeff_minus8 < -7 ||
821  scaling_list_coeff_minus8 > 247)
822  return AVERROR_INVALIDDATA;
823  scaling_list_dc_coef[size_id - 2][matrix_id] = scaling_list_coeff_minus8 + 8;
824  next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
825  sl->sl_dc[size_id - 2][matrix_id] = next_coef;
826  }
827  for (i = 0; i < coef_num; i++) {
828  if (size_id == 0)
829  pos = 4 * ff_hevc_diag_scan4x4_y[i] +
831  else
832  pos = 8 * ff_hevc_diag_scan8x8_y[i] +
834 
835  scaling_list_delta_coef = get_se_golomb(gb);
836  next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256;
837  sl->sl[size_id][matrix_id][pos] = next_coef;
838  }
839  }
840  }
841 
842  if (sps->chroma_format_idc == 3) {
843  for (i = 0; i < 64; i++) {
844  sl->sl[3][1][i] = sl->sl[2][1][i];
845  sl->sl[3][2][i] = sl->sl[2][2][i];
846  sl->sl[3][4][i] = sl->sl[2][4][i];
847  sl->sl[3][5][i] = sl->sl[2][5][i];
848  }
849  sl->sl_dc[1][1] = sl->sl_dc[0][1];
850  sl->sl_dc[1][2] = sl->sl_dc[0][2];
851  sl->sl_dc[1][4] = sl->sl_dc[0][4];
852  sl->sl_dc[1][5] = sl->sl_dc[0][5];
853  }
854 
855 
856  return 0;
857 }
858 
860 {
861  const AVPixFmtDescriptor *desc;
862  switch (sps->bit_depth) {
863  case 8:
864  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8;
865  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P;
866  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P;
867  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P;
868  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  case 10:
876  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10;
877  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10;
878  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10;
879  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
880  break;
881  case 12:
882  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12;
883  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
884  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
885  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;
886  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  desc = av_pix_fmt_desc_get(sps->pix_fmt);
896  if (!desc)
897  return AVERROR(EINVAL);
898 
899  sps->hshift[0] = sps->vshift[0] = 0;
900  sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
901  sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
902 
903  sps->pixel_shift = sps->bit_depth > 8;
904 
905  return 0;
906 }
907 
908 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  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  sps->vps_id = get_bits(gb, 4);
920 
921  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  sps->max_sub_layers = get_bits(gb, 3) + 1;
928  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  sps->temporal_id_nesting_flag = get_bits(gb, 1);
935 
936  if ((ret = parse_ptl(gb, avctx, &sps->ptl, sps->max_sub_layers)) < 0)
937  return ret;
938 
939  *sps_id = get_ue_golomb_long(gb);
940  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  sps->chroma_format_idc = get_ue_golomb_long(gb);
946  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  if (sps->chroma_format_idc == 3)
952  sps->separate_colour_plane_flag = get_bits1(gb);
953 
954  if (sps->separate_colour_plane_flag)
955  sps->chroma_format_idc = 0;
956 
957  sps->width = get_ue_golomb_long(gb);
958  sps->height = get_ue_golomb_long(gb);
959  if ((ret = av_image_check_size(sps->width,
960  sps->height, 0, avctx)) < 0)
961  return ret;
962 
963  if (get_bits1(gb)) { // pic_conformance_flag
964  int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
965  int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
966  sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
967  sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
968  sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
969  sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
970 
971  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  sps->output_window = sps->pic_conf_win;
986  }
987 
988  sps->bit_depth = get_ue_golomb_long(gb) + 8;
989  bit_depth_chroma = get_ue_golomb_long(gb) + 8;
990  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  sps->bit_depth_chroma = bit_depth_chroma;
998 
999  ret = map_pixel_format(avctx, sps);
1000  if (ret < 0)
1001  return ret;
1002 
1003  sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
1004  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  sublayer_ordering_info = get_bits1(gb);
1011  start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
1012  for (i = start; i < sps->max_sub_layers; i++) {
1013  sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1;
1014  sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb);
1015  sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1;
1016  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  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  if (!sublayer_ordering_info) {
1033  for (i = 0; i < start; i++) {
1034  sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
1035  sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
1036  sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
1037  }
1038  }
1039 
1040  sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
1041  sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb);
1042  sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
1043  log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
1044  sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size +
1045  sps->log2_min_tb_size;
1046 
1047  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  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  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  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  sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
1068  sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
1069 
1070  sps->scaling_list_enable_flag = get_bits1(gb);
1071  if (sps->scaling_list_enable_flag) {
1072  set_default_scaling_list_data(&sps->scaling_list);
1073 
1074  if (get_bits1(gb)) {
1075  ret = scaling_list_data(gb, avctx, &sps->scaling_list, sps);
1076  if (ret < 0)
1077  return ret;
1078  }
1079  }
1080 
1081  sps->amp_enabled_flag = get_bits1(gb);
1082  sps->sao_enabled = get_bits1(gb);
1083 
1084  sps->pcm_enabled_flag = get_bits1(gb);
1085  if (sps->pcm_enabled_flag) {
1086  sps->pcm.bit_depth = get_bits(gb, 4) + 1;
1087  sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
1088  sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
1089  sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
1090  get_ue_golomb_long(gb);
1091  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  sps->pcm.loop_filter_disable_flag = get_bits1(gb);
1099  }
1100 
1101  sps->nb_st_rps = get_ue_golomb_long(gb);
1102  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  for (i = 0; i < sps->nb_st_rps; i++) {
1108  if ((ret = ff_hevc_decode_short_term_rps(gb, avctx, &sps->st_rps[i],
1109  sps, 0)) < 0)
1110  return ret;
1111  }
1112 
1113  sps->long_term_ref_pics_present_flag = get_bits1(gb);
1114  if (sps->long_term_ref_pics_present_flag) {
1115  sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb);
1116  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  for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
1122  sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
1123  sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb);
1124  }
1125  }
1126 
1127  sps->sps_temporal_mvp_enabled_flag = get_bits1(gb);
1128  sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
1129  sps->vui.sar = (AVRational){0, 1};
1130  vui_present = get_bits1(gb);
1131  if (vui_present)
1132  decode_vui(gb, avctx, apply_defdispwin, sps);
1133 
1134  if (get_bits1(gb)) { // sps_extension_flag
1135  sps->sps_range_extension_flag = get_bits1(gb);
1136  skip_bits(gb, 7); //sps_extension_7bits = get_bits(gb, 7);
1137  if (sps->sps_range_extension_flag) {
1138  sps->transform_skip_rotation_enabled_flag = get_bits1(gb);
1139  sps->transform_skip_context_enabled_flag = get_bits1(gb);
1140  sps->implicit_rdpcm_enabled_flag = get_bits1(gb);
1141 
1142  sps->explicit_rdpcm_enabled_flag = get_bits1(gb);
1143 
1144  sps->extended_precision_processing_flag = get_bits1(gb);
1145  if (sps->extended_precision_processing_flag)
1146  av_log(avctx, AV_LOG_WARNING,
1147  "extended_precision_processing_flag not yet implemented\n");
1148 
1149  sps->intra_smoothing_disabled_flag = get_bits1(gb);
1150  sps->high_precision_offsets_enabled_flag = get_bits1(gb);
1151  if (sps->high_precision_offsets_enabled_flag)
1152  av_log(avctx, AV_LOG_WARNING,
1153  "high_precision_offsets_enabled_flag not yet implemented\n");
1154 
1155  sps->persistent_rice_adaptation_enabled_flag = get_bits1(gb);
1156 
1157  sps->cabac_bypass_alignment_enabled_flag = get_bits1(gb);
1158  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  if (apply_defdispwin) {
1164  sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
1165  sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
1166  sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
1167  sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
1168  }
1169 
1170  ow = &sps->output_window;
1171  if (ow->left_offset >= INT_MAX - ow->right_offset ||
1172  ow->top_offset >= INT_MAX - ow->bottom_offset ||
1173  ow->left_offset + ow->right_offset >= sps->width ||
1174  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  sps->log2_ctb_size = sps->log2_min_cb_size +
1188  sps->log2_diff_max_min_coding_block_size;
1189  sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
1190 
1191  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  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  sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1205  sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1206  sps->ctb_size = sps->ctb_width * sps->ctb_height;
1207 
1208  sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
1209  sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
1210  sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
1211  sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
1212  sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
1213  sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
1214  sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1;
1215 
1216  sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
1217 
1218  if (av_mod_uintp2(sps->width, sps->log2_min_cb_size) ||
1219  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  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  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  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  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  return 0;
1248 }
1249 
1251  HEVCParamSets *ps, int apply_defdispwin)
1252 {
1253  HEVCSPS *sps;
1254  AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
1255  unsigned int sps_id;
1256  int ret;
1257  ptrdiff_t nal_size;
1258 
1259  if (!sps_buf)
1260  return AVERROR(ENOMEM);
1261  sps = (HEVCSPS*)sps_buf->data;
1262 
1263  av_log(avctx, AV_LOG_DEBUG, "Decoding SPS\n");
1264 
1265  nal_size = gb->buffer_end - gb->buffer;
1266  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  sps->data_size = nal_size;
1273  }
1274  memcpy(sps->data, gb->buffer, sps->data_size);
1275 
1276  ret = ff_hevc_parse_sps(sps, gb, &sps_id,
1277  apply_defdispwin,
1278  ps->vps_list, avctx);
1279  if (ret < 0) {
1280  av_buffer_unref(&sps_buf);
1281  return ret;
1282  }
1283 
1284  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  if (ps->sps_list[sps_id] &&
1298  !memcmp(ps->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
1299  av_buffer_unref(&sps_buf);
1300  } else {
1301  remove_sps(ps, sps_id);
1302  ps->sps_list[sps_id] = sps_buf;
1303  }
1304 
1305  return 0;
1306 }
1307 
1308 static void hevc_pps_free(void *opaque, uint8_t *data)
1309 {
1310  HEVCPPS *pps = (HEVCPPS*)data;
1311 
1312  av_freep(&pps->column_width);
1313  av_freep(&pps->row_height);
1314  av_freep(&pps->col_bd);
1315  av_freep(&pps->row_bd);
1316  av_freep(&pps->col_idxX);
1317  av_freep(&pps->ctb_addr_rs_to_ts);
1318  av_freep(&pps->ctb_addr_ts_to_rs);
1319  av_freep(&pps->tile_pos_rs);
1320  av_freep(&pps->tile_id);
1321  av_freep(&pps->min_tb_addr_zs_tab);
1322 
1323  av_freep(&pps);
1324 }
1325 
1327  HEVCPPS *pps, HEVCSPS *sps) {
1328  int i;
1329 
1330  if (pps->transform_skip_enabled_flag) {
1331  pps->log2_max_transform_skip_block_size = get_ue_golomb_long(gb) + 2;
1332  }
1333  pps->cross_component_prediction_enabled_flag = get_bits1(gb);
1334  pps->chroma_qp_offset_list_enabled_flag = get_bits1(gb);
1335  if (pps->chroma_qp_offset_list_enabled_flag) {
1336  pps->diff_cu_chroma_qp_offset_depth = get_ue_golomb_long(gb);
1337  pps->chroma_qp_offset_list_len_minus1 = get_ue_golomb_long(gb);
1338  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  for (i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
1344  pps->cb_qp_offset_list[i] = get_se_golomb_long(gb);
1345  if (pps->cb_qp_offset_list[i]) {
1346  av_log(avctx, AV_LOG_WARNING,
1347  "cb_qp_offset_list not tested yet.\n");
1348  }
1349  pps->cr_qp_offset_list[i] = get_se_golomb_long(gb);
1350  if (pps->cr_qp_offset_list[i]) {
1351  av_log(avctx, AV_LOG_WARNING,
1352  "cb_qp_offset_list not tested yet.\n");
1353  }
1354  }
1355  }
1356  pps->log2_sao_offset_scale_luma = get_ue_golomb_long(gb);
1357  pps->log2_sao_offset_scale_chroma = get_ue_golomb_long(gb);
1358 
1359  if ( pps->log2_sao_offset_scale_luma > FFMAX(sps->bit_depth - 10, 0)
1360  || pps->log2_sao_offset_scale_chroma > FFMAX(sps->bit_depth_chroma - 10, 0)
1361  )
1362  return AVERROR_INVALIDDATA;
1363 
1364  return(0);
1365 }
1366 
1367 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  pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
1376  pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
1377  pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
1378  if (!pps->col_bd || !pps->row_bd || !pps->col_idxX)
1379  return AVERROR(ENOMEM);
1380 
1381  if (pps->uniform_spacing_flag) {
1382  if (!pps->column_width) {
1383  pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1384  pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1385  }
1386  if (!pps->column_width || !pps->row_height)
1387  return AVERROR(ENOMEM);
1388 
1389  for (i = 0; i < pps->num_tile_columns; i++) {
1390  pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
1391  (i * sps->ctb_width) / pps->num_tile_columns;
1392  }
1393 
1394  for (i = 0; i < pps->num_tile_rows; i++) {
1395  pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
1396  (i * sps->ctb_height) / pps->num_tile_rows;
1397  }
1398  }
1399 
1400  pps->col_bd[0] = 0;
1401  for (i = 0; i < pps->num_tile_columns; i++)
1402  pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
1403 
1404  pps->row_bd[0] = 0;
1405  for (i = 0; i < pps->num_tile_rows; i++)
1406  pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
1407 
1408  for (i = 0, j = 0; i < sps->ctb_width; i++) {
1409  if (i > pps->col_bd[j])
1410  j++;
1411  pps->col_idxX[i] = j;
1412  }
1413 
1414  /**
1415  * 6.5
1416  */
1417  pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
1418 
1419  pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
1420  pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
1421  pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
1422  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  if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
1424  !pps->tile_id || !pps->min_tb_addr_zs_tab) {
1425  return AVERROR(ENOMEM);
1426  }
1427 
1428  for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1429  int tb_x = ctb_addr_rs % sps->ctb_width;
1430  int tb_y = ctb_addr_rs / sps->ctb_width;
1431  int tile_x = 0;
1432  int tile_y = 0;
1433  int val = 0;
1434 
1435  for (i = 0; i < pps->num_tile_columns; i++) {
1436  if (tb_x < pps->col_bd[i + 1]) {
1437  tile_x = i;
1438  break;
1439  }
1440  }
1441 
1442  for (i = 0; i < pps->num_tile_rows; i++) {
1443  if (tb_y < pps->row_bd[i + 1]) {
1444  tile_y = i;
1445  break;
1446  }
1447  }
1448 
1449  for (i = 0; i < tile_x; i++)
1450  val += pps->row_height[tile_y] * pps->column_width[i];
1451  for (i = 0; i < tile_y; i++)
1452  val += sps->ctb_width * pps->row_height[i];
1453 
1454  val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
1455  tb_x - pps->col_bd[tile_x];
1456 
1457  pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
1458  pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
1459  }
1460 
1461  for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
1462  for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
1463  for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
1464  for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
1465  pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
1466 
1467  pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
1468  if (!pps->tile_pos_rs)
1469  return AVERROR(ENOMEM);
1470 
1471  for (j = 0; j < pps->num_tile_rows; j++)
1472  for (i = 0; i < pps->num_tile_columns; i++)
1473  pps->tile_pos_rs[j * pps->num_tile_columns + i] =
1474  pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
1475 
1476  log2_diff = sps->log2_ctb_size - sps->log2_min_tb_size;
1477  pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1];
1478  for (y = 0; y < sps->tb_mask+2; y++) {
1479  pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1;
1480  pps->min_tb_addr_zs_tab[y] = -1;
1481  }
1482  for (y = 0; y < sps->tb_mask+1; y++) {
1483  for (x = 0; x < sps->tb_mask+1; x++) {
1484  int tb_x = x >> log2_diff;
1485  int tb_y = y >> log2_diff;
1486  int rs = sps->ctb_width * tb_y + tb_x;
1487  int val = pps->ctb_addr_rs_to_ts[rs] << (log2_diff * 2);
1488  for (i = 0; i < log2_diff; i++) {
1489  int m = 1 << i;
1490  val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1491  }
1492  pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val;
1493  }
1494  }
1495 
1496  return 0;
1497 }
1498 
1500  HEVCParamSets *ps)
1501 {
1502  HEVCSPS *sps = NULL;
1503  int i, ret = 0;
1504  unsigned int pps_id = 0;
1505  ptrdiff_t nal_size;
1506  unsigned log2_parallel_merge_level_minus2;
1507 
1508  AVBufferRef *pps_buf;
1509  HEVCPPS *pps = av_mallocz(sizeof(*pps));
1510 
1511  if (!pps)
1512  return AVERROR(ENOMEM);
1513 
1514  pps_buf = av_buffer_create((uint8_t *)pps, sizeof(*pps),
1515  hevc_pps_free, NULL, 0);
1516  if (!pps_buf) {
1517  av_freep(&pps);
1518  return AVERROR(ENOMEM);
1519  }
1520 
1521  av_log(avctx, AV_LOG_DEBUG, "Decoding PPS\n");
1522 
1523  nal_size = gb->buffer_end - gb->buffer;
1524  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  pps->data_size = nal_size;
1531  }
1532  memcpy(pps->data, gb->buffer, pps->data_size);
1533 
1534  // Default values
1535  pps->loop_filter_across_tiles_enabled_flag = 1;
1536  pps->num_tile_columns = 1;
1537  pps->num_tile_rows = 1;
1538  pps->uniform_spacing_flag = 1;
1539  pps->disable_dbf = 0;
1540  pps->beta_offset = 0;
1541  pps->tc_offset = 0;
1542  pps->log2_max_transform_skip_block_size = 2;
1543 
1544  // Coded parameters
1545  pps_id = get_ue_golomb_long(gb);
1546  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  pps->sps_id = get_ue_golomb_long(gb);
1552  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  if (!ps->sps_list[pps->sps_id]) {
1558  av_log(avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id);
1559  ret = AVERROR_INVALIDDATA;
1560  goto err;
1561  }
1562  sps = (HEVCSPS *)ps->sps_list[pps->sps_id]->data;
1563 
1564  pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
1565  pps->output_flag_present_flag = get_bits1(gb);
1566  pps->num_extra_slice_header_bits = get_bits(gb, 3);
1567 
1568  pps->sign_data_hiding_flag = get_bits1(gb);
1569 
1570  pps->cabac_init_present_flag = get_bits1(gb);
1571 
1572  pps->num_ref_idx_l0_default_active = get_ue_golomb_long(gb) + 1;
1573  pps->num_ref_idx_l1_default_active = get_ue_golomb_long(gb) + 1;
1574 
1575  pps->pic_init_qp_minus26 = get_se_golomb(gb);
1576 
1577  pps->constrained_intra_pred_flag = get_bits1(gb);
1578  pps->transform_skip_enabled_flag = get_bits1(gb);
1579 
1580  pps->cu_qp_delta_enabled_flag = get_bits1(gb);
1581  pps->diff_cu_qp_delta_depth = 0;
1582  if (pps->cu_qp_delta_enabled_flag)
1583  pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);
1584 
1585  if (pps->diff_cu_qp_delta_depth < 0 ||
1586  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  pps->cb_qp_offset = get_se_golomb(gb);
1594  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  pps->cr_qp_offset = get_se_golomb(gb);
1601  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  pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
1608 
1609  pps->weighted_pred_flag = get_bits1(gb);
1610  pps->weighted_bipred_flag = get_bits1(gb);
1611 
1612  pps->transquant_bypass_enable_flag = get_bits1(gb);
1613  pps->tiles_enabled_flag = get_bits1(gb);
1614  pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
1615 
1616  if (pps->tiles_enabled_flag) {
1617  int num_tile_columns_minus1 = get_ue_golomb(gb);
1618  int num_tile_rows_minus1 = get_ue_golomb(gb);
1619 
1620  if (num_tile_columns_minus1 < 0 ||
1621  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  if (num_tile_rows_minus1 < 0 ||
1628  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  pps->num_tile_columns = num_tile_columns_minus1 + 1;
1635  pps->num_tile_rows = num_tile_rows_minus1 + 1;
1636 
1637  pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1638  pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1639  if (!pps->column_width || !pps->row_height) {
1640  ret = AVERROR(ENOMEM);
1641  goto err;
1642  }
1643 
1644  pps->uniform_spacing_flag = get_bits1(gb);
1645  if (!pps->uniform_spacing_flag) {
1646  uint64_t sum = 0;
1647  for (i = 0; i < pps->num_tile_columns - 1; i++) {
1648  pps->column_width[i] = get_ue_golomb_long(gb) + 1;
1649  sum += pps->column_width[i];
1650  }
1651  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  pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
1657 
1658  sum = 0;
1659  for (i = 0; i < pps->num_tile_rows - 1; i++) {
1660  pps->row_height[i] = get_ue_golomb_long(gb) + 1;
1661  sum += pps->row_height[i];
1662  }
1663  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  pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
1669  }
1670  pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb);
1671  }
1672 
1673  pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb);
1674 
1675  pps->deblocking_filter_control_present_flag = get_bits1(gb);
1676  if (pps->deblocking_filter_control_present_flag) {
1677  pps->deblocking_filter_override_enabled_flag = get_bits1(gb);
1678  pps->disable_dbf = get_bits1(gb);
1679  if (!pps->disable_dbf) {
1680  int beta_offset_div2 = get_se_golomb(gb);
1681  int tc_offset_div2 = get_se_golomb(gb) ;
1682  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  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  pps->beta_offset = 2 * beta_offset_div2;
1695  pps->tc_offset = 2 * tc_offset_div2;
1696  }
1697  }
1698 
1699  pps->scaling_list_data_present_flag = get_bits1(gb);
1700  if (pps->scaling_list_data_present_flag) {
1701  set_default_scaling_list_data(&pps->scaling_list);
1702  ret = scaling_list_data(gb, avctx, &pps->scaling_list, sps);
1703  if (ret < 0)
1704  goto err;
1705  }
1706  pps->lists_modification_present_flag = get_bits1(gb);
1707  log2_parallel_merge_level_minus2 = get_ue_golomb_long(gb);
1708  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  pps->log2_parallel_merge_level = log2_parallel_merge_level_minus2 + 2;
1715 
1716  pps->slice_header_extension_present_flag = get_bits1(gb);
1717 
1718  if (get_bits1(gb)) { // pps_extension_present_flag
1719  pps->pps_range_extensions_flag = get_bits1(gb);
1720  skip_bits(gb, 7); // pps_extension_7bits
1721  if (sps->ptl.general_ptl.profile_idc == FF_PROFILE_HEVC_REXT && pps->pps_range_extensions_flag) {
1722  if ((ret = pps_range_extensions(gb, avctx, pps, sps)) < 0)
1723  goto err;
1724  }
1725  }
1726 
1727  ret = setup_pps(avctx, gb, pps, sps);
1728  if (ret < 0)
1729  goto err;
1730 
1731  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  remove_pps(ps, pps_id);
1738  ps->pps_list[pps_id] = pps_buf;
1739 
1740  return 0;
1741 
1742 err:
1743  av_buffer_unref(&pps_buf);
1744  return ret;
1745 }
1746 
1748 {
1749  int i;
1750 
1751  for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
1752  av_buffer_unref(&ps->vps_list[i]);
1753  for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
1754  av_buffer_unref(&ps->sps_list[i]);
1755  for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
1756  av_buffer_unref(&ps->pps_list[i]);
1757 
1758  ps->sps = NULL;
1759  ps->pps = NULL;
1760  ps->vps = NULL;
1761 }
1762 
1763 int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)
1764 {
1765  int max_poc_lsb = 1 << sps->log2_max_poc_lsb;
1766  int prev_poc_lsb = pocTid0 % max_poc_lsb;
1767  int prev_poc_msb = pocTid0 - prev_poc_lsb;
1768  int poc_msb;
1769 
1770  if (poc_lsb < prev_poc_lsb && prev_poc_lsb - poc_lsb >= max_poc_lsb / 2)
1771  poc_msb = prev_poc_msb + max_poc_lsb;
1772  else if (poc_lsb > prev_poc_lsb && poc_lsb - prev_poc_lsb > max_poc_lsb / 2)
1773  poc_msb = prev_poc_msb - max_poc_lsb;
1774  else
1775  poc_msb = prev_poc_msb;
1776 
1777  // For BLA picture types, POCmsb is set to 0.
1778  if (nal_unit_type == HEVC_NAL_BLA_W_LP ||
1779  nal_unit_type == HEVC_NAL_BLA_W_RADL ||
1780  nal_unit_type == HEVC_NAL_BLA_N_LP)
1781  poc_msb = 0;
1782 
1783  return poc_msb + poc_lsb;
1784 }
static double val(void *priv, double ch)
Definition: aeval.c:76
uint8_t
int32_t
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE
Definition: avcodec.h:1952
#define AV_EF_EXPLODE
abort decoding on minor error detection
Definition: avcodec.h:1660
#define FF_PROFILE_HEVC_MAIN_10
Definition: avcodec.h:1951
#define FF_DEBUG_BITSTREAM
Definition: avcodec.h:1630
#define FF_PROFILE_HEVC_REXT
Definition: avcodec.h:1953
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:1950
static int FUNC() timing_info(CodedBitstreamContext *ctx, RWContext *rw, AV1RawTimingInfo *current)
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
#define s(width, name)
Definition: cbs_vp9.c:257
#define FFMIN(a, b)
Definition: common.h:105
#define av_mod_uintp2
Definition: common.h:149
#define FFMAX(a, b)
Definition: common.h:103
#define NULL
Definition: coverity.c:32
enum AVCodecID id
static unsigned int show_bits_long(GetBitContext *s, int n)
Show 0-32 bits.
Definition: get_bits.h:602
static unsigned int get_bits_long(GetBitContext *s, int n)
Read 0-32 bits.
Definition: get_bits.h:546
static int get_bits_left(GetBitContext *gb)
Definition: get_bits.h:849
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
Definition: get_bits.h:291
static unsigned int get_bits1(GetBitContext *s)
Definition: get_bits.h:498
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:467
static void skip_bits1(GetBitContext *s)
Definition: get_bits.h:538
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Definition: get_bits.h:379
exp golomb vlc stuff
static int get_se_golomb(GetBitContext *gb)
read signed exp golomb code.
Definition: golomb.h:241
static int get_ue_golomb(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to 8190.
Definition: golomb.h:55
static int get_se_golomb_long(GetBitContext *gb)
Definition: golomb.h:296
static unsigned get_ue_golomb_long(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
Definition: golomb.h:106
#define AV_CODEC_FLAG2_IGNORE_CROP
Discard cropping information from SPS.
Definition: avcodec.h:371
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it.
Definition: buffer.c:125
AVBufferRef * av_buffer_allocz(buffer_size_t size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
Definition: buffer.c:83
AVBufferRef * av_buffer_create(uint8_t *data, buffer_size_t size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:29
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:215
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_INFO
Standard information.
Definition: log.h:205
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
Definition: imgutils.c:317
for(j=16;j >0;--j)
const H265RawProfileTierLevel * ptl
Definition: h265_levels.c:170
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc_data.c:39
const uint8_t ff_hevc_diag_scan4x4_x[16]
Definition: hevc_data.c:25
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc_data.c:58
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc_data.c:32
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:1499
static void remove_vps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:105
void ff_hevc_ps_uninit(HEVCParamSets *ps)
Definition: hevc_ps.c:1747
static void remove_sps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:88
static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb, int subpic_params_present)
Definition: hevc_ps.c:379
static const uint8_t default_scaling_list_intra[]
Definition: hevc_ps.c:31
static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx, PTL *ptl, int max_num_sub_layers)
Definition: hevc_ps.c:339
static void set_default_scaling_list_data(ScalingList *sl)
Definition: hevc_ps.c:753
static const uint8_t hevc_sub_height_c[]
Definition: hevc_ps.c:77
static void remove_pps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:81
static void decode_vui(GetBitContext *gb, AVCodecContext *avctx, int apply_defdispwin, HEVCSPS *sps)
Definition: hevc_ps.c:588
static const uint8_t hevc_sub_width_c[]
Definition: hevc_ps.c:73
static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
Definition: hevc_ps.c:859
static const uint8_t default_scaling_list_inter[]
Definition: hevc_ps.c:42
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:458
static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx, PTLCommon *ptl)
Definition: hevc_ps.c:265
int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header)
Definition: hevc_ps.c:119
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
Definition: hevc_ps.c:1250
int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
Parse the SPS from the bitstream into the provided HEVCSPS struct.
Definition: hevc_ps.c:908
#define check_profile_idc(idc)
static int decode_hrd(GetBitContext *gb, int common_inf_present, int max_sublayers)
Definition: hevc_ps.c:396
static int setup_pps(AVCodecContext *avctx, GetBitContext *gb, HEVCPPS *pps, HEVCSPS *sps)
Definition: hevc_ps.c:1367
static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx, HEVCPPS *pps, HEVCSPS *sps)
Definition: hevc_ps.c:1326
static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingList *sl, HEVCSPS *sps)
Definition: hevc_ps.c:783
int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)
Compute POC of the current frame and return it.
Definition: hevc_ps.c:1763
static const AVRational vui_sar[]
Definition: hevc_ps.c:53
static void hevc_pps_free(void *opaque, uint8_t *data)
Definition: hevc_ps.c:1308
misc image utilities
int i
Definition: input.c:407
@ HEVC_NAL_BLA_W_LP
Definition: hevc.h:45
@ HEVC_NAL_BLA_N_LP
Definition: hevc.h:47
@ HEVC_NAL_BLA_W_RADL
Definition: hevc.h:46
@ HEVC_MAX_LOG2_CTB_SIZE
Definition: hevc.h:128
@ HEVC_MAX_LONG_TERM_REF_PICS
Definition: hevc.h:124
@ HEVC_MAX_SPS_COUNT
Definition: hevc.h:112
@ HEVC_MAX_PPS_COUNT
Definition: hevc.h:114
@ HEVC_MAX_REFS
Definition: hevc.h:119
@ HEVC_MAX_SUB_LAYERS
Definition: hevc.h:105
@ HEVC_MAX_SHORT_TERM_REF_PIC_SETS
Definition: hevc.h:122
@ HEVC_MAX_DPB_SIZE
Definition: hevc.h:117
#define SIZE_SPECIFIER
Definition: internal.h:193
#define PTRDIFF_SPECIFIER
Definition: internal.h:192
const char * desc
Definition: libsvtav1.c:79
const char data[16]
Definition: mxf.c:142
const char * av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
Definition: pixdesc.c:2940
const char * av_color_space_name(enum AVColorSpace space)
Definition: pixdesc.c:2961
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2919
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2489
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:379
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
@ AVCOL_PRI_UNSPECIFIED
Definition: pixfmt.h:461
@ AVCOL_TRC_UNSPECIFIED
Definition: pixfmt.h:486
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
@ AVCOL_SPC_RGB
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:513
@ AVCOL_SPC_UNSPECIFIED
Definition: pixfmt.h:515
#define FF_ARRAY_ELEMS(a)
unsigned int pos
Definition: spdifenc.c:412
A reference to a data buffer.
Definition: buffer.h:84
int size
Size of data in bytes.
Definition: buffer.h:97
uint8_t * data
The data buffer.
Definition: buffer.h:92
main external API structure.
Definition: avcodec.h:536
int flags2
AV_CODEC_FLAG2_*.
Definition: avcodec.h:623
int debug
debug
Definition: avcodec.h:1627
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
Definition: avcodec.h:1649
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int num
Numerator.
Definition: rational.h:59
int den
Denominator.
Definition: rational.h:60
const uint8_t * buffer
Definition: get_bits.h:62
const uint8_t * buffer_end
Definition: get_bits.h:62
uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:62
uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:63
const HEVCVPS * vps
Definition: hevc_ps.h:333
AVBufferRef * pps_list[HEVC_MAX_PPS_COUNT]
Definition: hevc_ps.h:330
const HEVCPPS * pps
Definition: hevc_ps.h:335
AVBufferRef * vps_list[HEVC_MAX_VPS_COUNT]
Definition: hevc_ps.h:328
AVBufferRef * sps_list[HEVC_MAX_SPS_COUNT]
Definition: hevc_ps.h:329
const HEVCSPS * sps
Definition: hevc_ps.h:334
unsigned int top_offset
Definition: hevc_ps.h:45
unsigned int right_offset
Definition: hevc_ps.h:44
unsigned int bottom_offset
Definition: hevc_ps.h:46
unsigned int left_offset
Definition: hevc_ps.h:43
Definition: hevc_ps.h:115
uint8_t sl_dc[2][6]
Definition: hevc_ps.h:150
uint8_t sl[4][6][64]
Definition: hevc_ps.h:149
unsigned int num_negative_pics
Definition: hevc_ps.h:35
uint8_t used[32]
Definition: hevc_ps.h:39
int num_delta_pocs
Definition: hevc_ps.h:36
int32_t delta_poc[32]
Definition: hevc_ps.h:38
int rps_idx_num_delta_pocs
Definition: hevc_ps.h:37
Definition: hevc_ps.h:49
uint8_t matrix_coeffs
Definition: hevc_ps.h:61
int vui_poc_proportional_to_timing_flag
Definition: hevc_ps.h:77
int vui_timing_info_present_flag
Definition: hevc_ps.h:74
int max_bits_per_min_cu_denom
Definition: hevc_ps.h:87
uint8_t colour_primaries
Definition: hevc_ps.h:59
int log2_max_mv_length_horizontal
Definition: hevc_ps.h:88
int tiles_fixed_structure_flag
Definition: hevc_ps.h:82
int colour_description_present_flag
Definition: hevc_ps.h:58
int motion_vectors_over_pic_boundaries_flag
Definition: hevc_ps.h:83
int log2_max_mv_length_vertical
Definition: hevc_ps.h:89
int bitstream_restriction_flag
Definition: hevc_ps.h:81
AVRational sar
Definition: hevc_ps.h:50
int frame_field_info_present_flag
Definition: hevc_ps.h:69
int field_seq_flag
Definition: hevc_ps.h:68
int max_bytes_per_pic_denom
Definition: hevc_ps.h:86
int vui_num_ticks_poc_diff_one_minus1
Definition: hevc_ps.h:78
int vui_hrd_parameters_present_flag
Definition: hevc_ps.h:79
int overscan_appropriate_flag
Definition: hevc_ps.h:53
int video_signal_type_present_flag
Definition: hevc_ps.h:55
uint32_t vui_time_scale
Definition: hevc_ps.h:76
int chroma_sample_loc_type_bottom_field
Definition: hevc_ps.h:65
int min_spatial_segmentation_idc
Definition: hevc_ps.h:85
int neutra_chroma_indication_flag
Definition: hevc_ps.h:66
HEVCWindow def_disp_win
Definition: hevc_ps.h:72
int default_display_window_flag
Definition: hevc_ps.h:71
int restricted_ref_pic_lists_flag
Definition: hevc_ps.h:84
int video_format
Definition: hevc_ps.h:56
int chroma_sample_loc_type_top_field
Definition: hevc_ps.h:64
int video_full_range_flag
Definition: hevc_ps.h:57
int overscan_info_present_flag
Definition: hevc_ps.h:52
uint32_t vui_num_units_in_tick
Definition: hevc_ps.h:75
uint8_t transfer_characteristic
Definition: hevc_ps.h:60
int chroma_loc_info_present_flag
Definition: hevc_ps.h:63
#define av_malloc_array(a, b)
#define avpriv_request_sample(...)
#define av_freep(p)
#define av_log(a,...)
static uint8_t tmp[11]
Definition: aes_ctr.c:27
float delta