FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
hevc_ps.c
Go to the documentation of this file.
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 + 16 + 16 + 12)
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");
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++) {
289 
290  if (ptl->profile_idc == 0 && i > 0 && ptl->profile_compatibility_flag[i])
291  ptl->profile_idc = i;
292  }
297 
298  skip_bits(gb, 16); // XXX_reserved_zero_44bits[0..15]
299  skip_bits(gb, 16); // XXX_reserved_zero_44bits[16..31]
300  skip_bits(gb, 12); // XXX_reserved_zero_44bits[32..43]
301 
302  return 0;
303 }
304 
305 static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx,
306  PTL *ptl, int max_num_sub_layers)
307 {
308  int i;
309  if (decode_profile_tier_level(gb, avctx, &ptl->general_ptl) < 0 ||
310  get_bits_left(gb) < 8 + (8*2 * (max_num_sub_layers - 1 > 0))) {
311  av_log(avctx, AV_LOG_ERROR, "PTL information too short\n");
312  return -1;
313  }
314 
315  ptl->general_ptl.level_idc = get_bits(gb, 8);
316 
317  for (i = 0; i < max_num_sub_layers - 1; i++) {
320  }
321 
322  if (max_num_sub_layers - 1> 0)
323  for (i = max_num_sub_layers - 1; i < 8; i++)
324  skip_bits(gb, 2); // reserved_zero_2bits[i]
325  for (i = 0; i < max_num_sub_layers - 1; i++) {
326  if (ptl->sub_layer_profile_present_flag[i] &&
327  decode_profile_tier_level(gb, avctx, &ptl->sub_layer_ptl[i]) < 0) {
328  av_log(avctx, AV_LOG_ERROR,
329  "PTL information for sublayer %i too short\n", i);
330  return -1;
331  }
332  if (ptl->sub_layer_level_present_flag[i]) {
333  if (get_bits_left(gb) < 8) {
334  av_log(avctx, AV_LOG_ERROR,
335  "Not enough data for sublayer %i level_idc\n", i);
336  return -1;
337  } else
338  ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8);
339  }
340  }
341 
342  return 0;
343 }
344 
345 static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb,
346  int subpic_params_present)
347 {
348  int i;
349 
350  for (i = 0; i < nb_cpb; i++) {
351  get_ue_golomb_long(gb); // bit_rate_value_minus1
352  get_ue_golomb_long(gb); // cpb_size_value_minus1
353 
354  if (subpic_params_present) {
355  get_ue_golomb_long(gb); // cpb_size_du_value_minus1
356  get_ue_golomb_long(gb); // bit_rate_du_value_minus1
357  }
358  skip_bits1(gb); // cbr_flag
359  }
360 }
361 
362 static int decode_hrd(GetBitContext *gb, int common_inf_present,
363  int max_sublayers)
364 {
365  int nal_params_present = 0, vcl_params_present = 0;
366  int subpic_params_present = 0;
367  int i;
368 
369  if (common_inf_present) {
370  nal_params_present = get_bits1(gb);
371  vcl_params_present = get_bits1(gb);
372 
373  if (nal_params_present || vcl_params_present) {
374  subpic_params_present = get_bits1(gb);
375 
376  if (subpic_params_present) {
377  skip_bits(gb, 8); // tick_divisor_minus2
378  skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1
379  skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
380  skip_bits(gb, 5); // dpb_output_delay_du_length_minus1
381  }
382 
383  skip_bits(gb, 4); // bit_rate_scale
384  skip_bits(gb, 4); // cpb_size_scale
385 
386  if (subpic_params_present)
387  skip_bits(gb, 4); // cpb_size_du_scale
388 
389  skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1
390  skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1
391  skip_bits(gb, 5); // dpb_output_delay_length_minus1
392  }
393  }
394 
395  for (i = 0; i < max_sublayers; i++) {
396  int low_delay = 0;
397  unsigned int nb_cpb = 1;
398  int fixed_rate = get_bits1(gb);
399 
400  if (!fixed_rate)
401  fixed_rate = get_bits1(gb);
402 
403  if (fixed_rate)
404  get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1
405  else
406  low_delay = get_bits1(gb);
407 
408  if (!low_delay) {
409  nb_cpb = get_ue_golomb_long(gb) + 1;
410  if (nb_cpb < 1 || nb_cpb > 32) {
411  av_log(NULL, AV_LOG_ERROR, "nb_cpb %d invalid\n", nb_cpb);
412  return AVERROR_INVALIDDATA;
413  }
414  }
415 
416  if (nal_params_present)
417  decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
418  if (vcl_params_present)
419  decode_sublayer_hrd(gb, nb_cpb, subpic_params_present);
420  }
421  return 0;
422 }
423 
425  HEVCParamSets *ps)
426 {
427  int i,j;
428  int vps_id = 0;
429  ptrdiff_t nal_size;
430  HEVCVPS *vps;
431  AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps));
432 
433  if (!vps_buf)
434  return AVERROR(ENOMEM);
435  vps = (HEVCVPS*)vps_buf->data;
436 
437  av_log(avctx, AV_LOG_DEBUG, "Decoding VPS\n");
438 
439  nal_size = gb->buffer_end - gb->buffer;
440  if (nal_size > sizeof(vps->data)) {
441  av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized VPS "
442  "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
443  nal_size, sizeof(vps->data));
444  vps->data_size = sizeof(vps->data);
445  } else {
446  vps->data_size = nal_size;
447  }
448  memcpy(vps->data, gb->buffer, vps->data_size);
449 
450  vps_id = get_bits(gb, 4);
451  if (vps_id >= HEVC_MAX_VPS_COUNT) {
452  av_log(avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_id);
453  goto err;
454  }
455 
456  if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
457  av_log(avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
458  goto err;
459  }
460 
461  vps->vps_max_layers = get_bits(gb, 6) + 1;
462  vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
464 
465  if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
466  av_log(avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
467  goto err;
468  }
469 
471  av_log(avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
472  vps->vps_max_sub_layers);
473  goto err;
474  }
475 
476  if (parse_ptl(gb, avctx, &vps->ptl, vps->vps_max_sub_layers) < 0)
477  goto err;
478 
480 
482  for (; i < vps->vps_max_sub_layers; i++) {
486 
488  av_log(avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
489  vps->vps_max_dec_pic_buffering[i] - 1);
490  goto err;
491  }
492  if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
493  av_log(avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
494  vps->vps_num_reorder_pics[i]);
495  if (avctx->err_recognition & AV_EF_EXPLODE)
496  goto err;
497  }
498  }
499 
500  vps->vps_max_layer_id = get_bits(gb, 6);
501  vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
502  if (vps->vps_num_layer_sets < 1 || vps->vps_num_layer_sets > 1024 ||
503  (vps->vps_num_layer_sets - 1LL) * (vps->vps_max_layer_id + 1LL) > get_bits_left(gb)) {
504  av_log(avctx, AV_LOG_ERROR, "too many layer_id_included_flags\n");
505  goto err;
506  }
507 
508  for (i = 1; i < vps->vps_num_layer_sets; i++)
509  for (j = 0; j <= vps->vps_max_layer_id; j++)
510  skip_bits(gb, 1); // layer_id_included_flag[i][j]
511 
513  if (vps->vps_timing_info_present_flag) {
514  vps->vps_num_units_in_tick = get_bits_long(gb, 32);
515  vps->vps_time_scale = get_bits_long(gb, 32);
520  if (vps->vps_num_hrd_parameters > (unsigned)vps->vps_num_layer_sets) {
521  av_log(avctx, AV_LOG_ERROR,
522  "vps_num_hrd_parameters %d is invalid\n", vps->vps_num_hrd_parameters);
523  goto err;
524  }
525  for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
526  int common_inf_present = 1;
527 
528  get_ue_golomb_long(gb); // hrd_layer_set_idx
529  if (i)
530  common_inf_present = get_bits1(gb);
531  decode_hrd(gb, common_inf_present, vps->vps_max_sub_layers);
532  }
533  }
534  get_bits1(gb); /* vps_extension_flag */
535 
536  if (get_bits_left(gb) < 0) {
537  av_log(avctx, AV_LOG_ERROR,
538  "Overread VPS by %d bits\n", -get_bits_left(gb));
539  if (ps->vps_list[vps_id])
540  goto err;
541  }
542 
543  if (ps->vps_list[vps_id] &&
544  !memcmp(ps->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) {
545  av_buffer_unref(&vps_buf);
546  } else {
547  remove_vps(ps, vps_id);
548  ps->vps_list[vps_id] = vps_buf;
549  }
550 
551  return 0;
552 
553 err:
554  av_buffer_unref(&vps_buf);
555  return AVERROR_INVALIDDATA;
556 }
557 
558 static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
559  int apply_defdispwin, HEVCSPS *sps)
560 {
561  VUI backup_vui, *vui = &sps->vui;
562  GetBitContext backup;
563  int sar_present, alt = 0;
564 
565  av_log(avctx, AV_LOG_DEBUG, "Decoding VUI\n");
566 
567  sar_present = get_bits1(gb);
568  if (sar_present) {
569  uint8_t sar_idx = get_bits(gb, 8);
570  if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
571  vui->sar = vui_sar[sar_idx];
572  else if (sar_idx == 255) {
573  vui->sar.num = get_bits(gb, 16);
574  vui->sar.den = get_bits(gb, 16);
575  } else
576  av_log(avctx, AV_LOG_WARNING,
577  "Unknown SAR index: %u.\n", sar_idx);
578  }
579 
583 
586  vui->video_format = get_bits(gb, 3);
587  vui->video_full_range_flag = get_bits1(gb);
592  vui->colour_primaries = get_bits(gb, 8);
593  vui->transfer_characteristic = get_bits(gb, 8);
594  vui->matrix_coeffs = get_bits(gb, 8);
595 
596  // Set invalid values to "unspecified"
603  if (vui->matrix_coeffs == AVCOL_SPC_RGB) {
604  switch (sps->pix_fmt) {
605  case AV_PIX_FMT_YUV444P:
606  sps->pix_fmt = AV_PIX_FMT_GBRP;
607  break;
609  sps->pix_fmt = AV_PIX_FMT_GBRP10;
610  break;
612  sps->pix_fmt = AV_PIX_FMT_GBRP12;
613  break;
614  }
615  }
616  }
617  }
618 
620  if (vui->chroma_loc_info_present_flag) {
623  }
624 
626  vui->field_seq_flag = get_bits1(gb);
628 
629  // Backup context in case an alternate header is detected
630  memcpy(&backup, gb, sizeof(backup));
631  memcpy(&backup_vui, vui, sizeof(backup_vui));
632  if (get_bits_left(gb) >= 68 && show_bits_long(gb, 21) == 0x100000) {
634  av_log(avctx, AV_LOG_WARNING, "Invalid default display window\n");
635  } else
637 
638  if (vui->default_display_window_flag) {
639  int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
640  int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
641  vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
642  vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
643  vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
644  vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
645 
646  if (apply_defdispwin &&
648  av_log(avctx, AV_LOG_DEBUG,
649  "discarding vui default display window, "
650  "original values are l:%u r:%u t:%u b:%u\n",
655 
658  vui->def_disp_win.top_offset =
659  vui->def_disp_win.bottom_offset = 0;
660  }
661  }
662 
665 
666  if (vui->vui_timing_info_present_flag) {
667  if( get_bits_left(gb) < 66 && !alt) {
668  // The alternate syntax seem to have timing info located
669  // at where def_disp_win is normally located
670  av_log(avctx, AV_LOG_WARNING,
671  "Strange VUI timing information, retrying...\n");
672  memcpy(vui, &backup_vui, sizeof(backup_vui));
673  memcpy(gb, &backup, sizeof(backup));
674  alt = 1;
675  goto timing_info;
676  }
677  vui->vui_num_units_in_tick = get_bits_long(gb, 32);
678  vui->vui_time_scale = get_bits_long(gb, 32);
679  if (alt) {
680  av_log(avctx, AV_LOG_INFO, "Retry got %"PRIu32"/%"PRIu32" fps\n",
682  }
688  decode_hrd(gb, 1, sps->max_sub_layers);
689  }
690 
692  if (vui->bitstream_restriction_flag) {
693  if (get_bits_left(gb) < 8 && !alt) {
694  av_log(avctx, AV_LOG_WARNING,
695  "Strange VUI bitstream restriction information, retrying"
696  " from timing information...\n");
697  memcpy(vui, &backup_vui, sizeof(backup_vui));
698  memcpy(gb, &backup, sizeof(backup));
699  alt = 1;
700  goto timing_info;
701  }
710  }
711 
712  if (get_bits_left(gb) < 1 && !alt) {
713  // XXX: Alternate syntax when sps_range_extension_flag != 0?
714  av_log(avctx, AV_LOG_WARNING,
715  "Overread in VUI, retrying from timing information...\n");
716  memcpy(vui, &backup_vui, sizeof(backup_vui));
717  memcpy(gb, &backup, sizeof(backup));
718  alt = 1;
719  goto timing_info;
720  }
721 }
722 
724 {
725  int matrixId;
726 
727  for (matrixId = 0; matrixId < 6; matrixId++) {
728  // 4x4 default is 16
729  memset(sl->sl[0][matrixId], 16, 16);
730  sl->sl_dc[0][matrixId] = 16; // default for 16x16
731  sl->sl_dc[1][matrixId] = 16; // default for 32x32
732  }
733  memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
734  memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
735  memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
736  memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
737  memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
738  memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
739  memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
740  memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
741  memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
742  memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
743  memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
744  memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
745  memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
746  memcpy(sl->sl[3][1], default_scaling_list_intra, 64);
747  memcpy(sl->sl[3][2], default_scaling_list_intra, 64);
748  memcpy(sl->sl[3][3], default_scaling_list_inter, 64);
749  memcpy(sl->sl[3][4], default_scaling_list_inter, 64);
750  memcpy(sl->sl[3][5], default_scaling_list_inter, 64);
751 }
752 
754 {
755  uint8_t scaling_list_pred_mode_flag;
756  int32_t scaling_list_dc_coef[2][6];
757  int size_id, matrix_id, pos;
758  int i;
759 
760  for (size_id = 0; size_id < 4; size_id++)
761  for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
762  scaling_list_pred_mode_flag = get_bits1(gb);
763  if (!scaling_list_pred_mode_flag) {
764  unsigned int delta = get_ue_golomb_long(gb);
765  /* Only need to handle non-zero delta. Zero means default,
766  * which should already be in the arrays. */
767  if (delta) {
768  // Copy from previous array.
769  delta *= (size_id == 3) ? 3 : 1;
770  if (matrix_id < delta) {
771  av_log(avctx, AV_LOG_ERROR,
772  "Invalid delta in scaling list data: %d.\n", delta);
773  return AVERROR_INVALIDDATA;
774  }
775 
776  memcpy(sl->sl[size_id][matrix_id],
777  sl->sl[size_id][matrix_id - delta],
778  size_id > 0 ? 64 : 16);
779  if (size_id > 1)
780  sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
781  }
782  } else {
783  int next_coef, coef_num;
784  int32_t scaling_list_delta_coef;
785 
786  next_coef = 8;
787  coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
788  if (size_id > 1) {
789  scaling_list_dc_coef[size_id - 2][matrix_id] = get_se_golomb(gb) + 8;
790  next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
791  sl->sl_dc[size_id - 2][matrix_id] = next_coef;
792  }
793  for (i = 0; i < coef_num; i++) {
794  if (size_id == 0)
795  pos = 4 * ff_hevc_diag_scan4x4_y[i] +
797  else
798  pos = 8 * ff_hevc_diag_scan8x8_y[i] +
800 
801  scaling_list_delta_coef = get_se_golomb(gb);
802  next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256;
803  sl->sl[size_id][matrix_id][pos] = next_coef;
804  }
805  }
806  }
807 
808  if (sps->chroma_format_idc == 3) {
809  for (i = 0; i < 64; i++) {
810  sl->sl[3][1][i] = sl->sl[2][1][i];
811  sl->sl[3][2][i] = sl->sl[2][2][i];
812  sl->sl[3][4][i] = sl->sl[2][4][i];
813  sl->sl[3][5][i] = sl->sl[2][5][i];
814  }
815  sl->sl_dc[1][1] = sl->sl_dc[0][1];
816  sl->sl_dc[1][2] = sl->sl_dc[0][2];
817  sl->sl_dc[1][4] = sl->sl_dc[0][4];
818  sl->sl_dc[1][5] = sl->sl_dc[0][5];
819  }
820 
821 
822  return 0;
823 }
824 
826 {
827  const AVPixFmtDescriptor *desc;
828  switch (sps->bit_depth) {
829  case 8:
830  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8;
831  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P;
832  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P;
833  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P;
834  break;
835  case 9:
836  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY9;
837  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9;
838  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9;
839  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9;
840  break;
841  case 10:
842  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10;
843  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10;
844  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10;
845  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
846  break;
847  case 12:
848  if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12;
849  if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
850  if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
851  if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;
852  break;
853  default:
854  av_log(avctx, AV_LOG_ERROR,
855  "The following bit-depths are currently specified: 8, 9, 10 and 12 bits, "
856  "chroma_format_idc is %d, depth is %d\n",
857  sps->chroma_format_idc, sps->bit_depth);
858  return AVERROR_INVALIDDATA;
859  }
860 
861  desc = av_pix_fmt_desc_get(sps->pix_fmt);
862  if (!desc)
863  return AVERROR(EINVAL);
864 
865  sps->hshift[0] = sps->vshift[0] = 0;
866  sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
867  sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
868 
869  sps->pixel_shift = sps->bit_depth > 8;
870 
871  return 0;
872 }
873 
874 int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
875  int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx)
876 {
877  HEVCWindow *ow;
878  int ret = 0;
879  int log2_diff_max_min_transform_block_size;
880  int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
881  int i;
882 
883  // Coded parameters
884 
885  sps->vps_id = get_bits(gb, 4);
886  if (sps->vps_id >= HEVC_MAX_VPS_COUNT) {
887  av_log(avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", sps->vps_id);
888  return AVERROR_INVALIDDATA;
889  }
890 
891  if (vps_list && !vps_list[sps->vps_id]) {
892  av_log(avctx, AV_LOG_ERROR, "VPS %d does not exist\n",
893  sps->vps_id);
894  return AVERROR_INVALIDDATA;
895  }
896 
897  sps->max_sub_layers = get_bits(gb, 3) + 1;
898  if (sps->max_sub_layers > HEVC_MAX_SUB_LAYERS) {
899  av_log(avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",
900  sps->max_sub_layers);
901  return AVERROR_INVALIDDATA;
902  }
903 
904  sps->temporal_id_nesting_flag = get_bits(gb, 1);
905 
906  if ((ret = parse_ptl(gb, avctx, &sps->ptl, sps->max_sub_layers)) < 0)
907  return ret;
908 
909  *sps_id = get_ue_golomb_long(gb);
910  if (*sps_id >= HEVC_MAX_SPS_COUNT) {
911  av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", *sps_id);
912  return AVERROR_INVALIDDATA;
913  }
914 
916  if (sps->chroma_format_idc > 3U) {
917  av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc);
918  return AVERROR_INVALIDDATA;
919  }
920 
921  if (sps->chroma_format_idc == 3)
923 
925  sps->chroma_format_idc = 0;
926 
927  sps->width = get_ue_golomb_long(gb);
928  sps->height = get_ue_golomb_long(gb);
929  if ((ret = av_image_check_size(sps->width,
930  sps->height, 0, avctx)) < 0)
931  return ret;
932 
933  if (get_bits1(gb)) { // pic_conformance_flag
934  int vert_mult = hevc_sub_height_c[sps->chroma_format_idc];
935  int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc];
936  sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * horiz_mult;
937  sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * horiz_mult;
938  sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * vert_mult;
939  sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult;
940 
941  if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
942  av_log(avctx, AV_LOG_DEBUG,
943  "discarding sps conformance window, "
944  "original values are l:%u r:%u t:%u b:%u\n",
949 
952  sps->pic_conf_win.top_offset =
953  sps->pic_conf_win.bottom_offset = 0;
954  }
955  sps->output_window = sps->pic_conf_win;
956  }
957 
958  sps->bit_depth = get_ue_golomb_long(gb) + 8;
959  bit_depth_chroma = get_ue_golomb_long(gb) + 8;
960  if (sps->chroma_format_idc && bit_depth_chroma != sps->bit_depth) {
961  av_log(avctx, AV_LOG_ERROR,
962  "Luma bit depth (%d) is different from chroma bit depth (%d), "
963  "this is unsupported.\n",
964  sps->bit_depth, bit_depth_chroma);
965  return AVERROR_INVALIDDATA;
966  }
967  sps->bit_depth_chroma = bit_depth_chroma;
968 
969  ret = map_pixel_format(avctx, sps);
970  if (ret < 0)
971  return ret;
972 
973  sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
974  if (sps->log2_max_poc_lsb > 16) {
975  av_log(avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
976  sps->log2_max_poc_lsb - 4);
977  return AVERROR_INVALIDDATA;
978  }
979 
980  sublayer_ordering_info = get_bits1(gb);
981  start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
982  for (i = start; i < sps->max_sub_layers; i++) {
986  if (sps->temporal_layer[i].max_dec_pic_buffering > (unsigned)HEVC_MAX_DPB_SIZE) {
987  av_log(avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
989  return AVERROR_INVALIDDATA;
990  }
992  av_log(avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
994  if (avctx->err_recognition & AV_EF_EXPLODE ||
995  sps->temporal_layer[i].num_reorder_pics > HEVC_MAX_DPB_SIZE - 1) {
996  return AVERROR_INVALIDDATA;
997  }
999  }
1000  }
1001 
1002  if (!sublayer_ordering_info) {
1003  for (i = 0; i < start; i++) {
1007  }
1008  }
1009 
1010  sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
1012  sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
1013  log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
1014  sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size +
1015  sps->log2_min_tb_size;
1016 
1017  if (sps->log2_min_cb_size < 3 || sps->log2_min_cb_size > 30) {
1018  av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_min_cb_size", sps->log2_min_cb_size);
1019  return AVERROR_INVALIDDATA;
1020  }
1021 
1022  if (sps->log2_diff_max_min_coding_block_size > 30) {
1023  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);
1024  return AVERROR_INVALIDDATA;
1025  }
1026 
1027  if (sps->log2_min_tb_size >= sps->log2_min_cb_size || sps->log2_min_tb_size < 2) {
1028  av_log(avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
1029  return AVERROR_INVALIDDATA;
1030  }
1031 
1032  if (log2_diff_max_min_transform_block_size < 0 || log2_diff_max_min_transform_block_size > 30) {
1033  av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_transform_block_size", log2_diff_max_min_transform_block_size);
1034  return AVERROR_INVALIDDATA;
1035  }
1036 
1039 
1041  if (sps->scaling_list_enable_flag) {
1043 
1044  if (get_bits1(gb)) {
1045  ret = scaling_list_data(gb, avctx, &sps->scaling_list, sps);
1046  if (ret < 0)
1047  return ret;
1048  }
1049  }
1050 
1051  sps->amp_enabled_flag = get_bits1(gb);
1052  sps->sao_enabled = get_bits1(gb);
1053 
1054  sps->pcm_enabled_flag = get_bits1(gb);
1055  if (sps->pcm_enabled_flag) {
1056  sps->pcm.bit_depth = get_bits(gb, 4) + 1;
1057  sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
1060  get_ue_golomb_long(gb);
1061  if (FFMAX(sps->pcm.bit_depth, sps->pcm.bit_depth_chroma) > sps->bit_depth) {
1062  av_log(avctx, AV_LOG_ERROR,
1063  "PCM bit depth (%d, %d) is greater than normal bit depth (%d)\n",
1064  sps->pcm.bit_depth, sps->pcm.bit_depth_chroma, sps->bit_depth);
1065  return AVERROR_INVALIDDATA;
1066  }
1067 
1069  }
1070 
1071  sps->nb_st_rps = get_ue_golomb_long(gb);
1073  av_log(avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
1074  sps->nb_st_rps);
1075  return AVERROR_INVALIDDATA;
1076  }
1077  for (i = 0; i < sps->nb_st_rps; i++) {
1078  if ((ret = ff_hevc_decode_short_term_rps(gb, avctx, &sps->st_rps[i],
1079  sps, 0)) < 0)
1080  return ret;
1081  }
1082 
1087  av_log(avctx, AV_LOG_ERROR, "Too many long term ref pics: %d.\n",
1089  return AVERROR_INVALIDDATA;
1090  }
1091  for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
1092  sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
1094  }
1095  }
1096 
1099  sps->vui.sar = (AVRational){0, 1};
1100  vui_present = get_bits1(gb);
1101  if (vui_present)
1102  decode_vui(gb, avctx, apply_defdispwin, sps);
1103 
1104  if (get_bits1(gb)) { // sps_extension_flag
1105  int sps_range_extension_flag = get_bits1(gb);
1106  skip_bits(gb, 7); //sps_extension_7bits = get_bits(gb, 7);
1107  if (sps_range_extension_flag) {
1108  int extended_precision_processing_flag;
1109  int cabac_bypass_alignment_enabled_flag;
1110 
1114 
1116 
1117  extended_precision_processing_flag = get_bits1(gb);
1118  if (extended_precision_processing_flag)
1119  av_log(avctx, AV_LOG_WARNING,
1120  "extended_precision_processing_flag not yet implemented\n");
1121 
1125  av_log(avctx, AV_LOG_WARNING,
1126  "high_precision_offsets_enabled_flag not yet implemented\n");
1127 
1129 
1130  cabac_bypass_alignment_enabled_flag = get_bits1(gb);
1131  if (cabac_bypass_alignment_enabled_flag)
1132  av_log(avctx, AV_LOG_WARNING,
1133  "cabac_bypass_alignment_enabled_flag not yet implemented\n");
1134  }
1135  }
1136  if (apply_defdispwin) {
1141  }
1142 
1143  ow = &sps->output_window;
1144  if (ow->left_offset >= INT_MAX - ow->right_offset ||
1145  ow->top_offset >= INT_MAX - ow->bottom_offset ||
1146  ow->left_offset + ow->right_offset >= sps->width ||
1147  ow->top_offset + ow->bottom_offset >= sps->height) {
1148  av_log(avctx, AV_LOG_WARNING, "Invalid cropping offsets: %u/%u/%u/%u\n",
1149  ow->left_offset, ow->right_offset, ow->top_offset, ow->bottom_offset);
1150  if (avctx->err_recognition & AV_EF_EXPLODE) {
1151  return AVERROR_INVALIDDATA;
1152  }
1153  av_log(avctx, AV_LOG_WARNING,
1154  "Displaying the whole video surface.\n");
1155  memset(ow, 0, sizeof(*ow));
1156  memset(&sps->pic_conf_win, 0, sizeof(sps->pic_conf_win));
1157  }
1158 
1159  // Inferred parameters
1160  sps->log2_ctb_size = sps->log2_min_cb_size +
1162  sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
1163 
1165  av_log(avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
1166  return AVERROR_INVALIDDATA;
1167  }
1168  if (sps->log2_ctb_size < 4) {
1169  av_log(avctx,
1170  AV_LOG_ERROR,
1171  "log2_ctb_size %d differs from the bounds of any known profile\n",
1172  sps->log2_ctb_size);
1173  avpriv_request_sample(avctx, "log2_ctb_size %d", sps->log2_ctb_size);
1174  return AVERROR_INVALIDDATA;
1175  }
1176 
1177  sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1178  sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
1179  sps->ctb_size = sps->ctb_width * sps->ctb_height;
1180 
1181  sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
1182  sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
1183  sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
1184  sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
1185  sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
1186  sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
1187  sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1;
1188 
1189  sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
1190 
1191  if (av_mod_uintp2(sps->width, sps->log2_min_cb_size) ||
1192  av_mod_uintp2(sps->height, sps->log2_min_cb_size)) {
1193  av_log(avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
1194  return AVERROR_INVALIDDATA;
1195  }
1196 
1198  av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
1200  return AVERROR_INVALIDDATA;
1201  }
1203  av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
1205  return AVERROR_INVALIDDATA;
1206  }
1207  if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
1208  av_log(avctx, AV_LOG_ERROR,
1209  "max transform block size out of range: %d\n",
1210  sps->log2_max_trafo_size);
1211  return AVERROR_INVALIDDATA;
1212  }
1213 
1214  if (get_bits_left(gb) < 0) {
1215  av_log(avctx, AV_LOG_ERROR,
1216  "Overread SPS by %d bits\n", -get_bits_left(gb));
1217  return AVERROR_INVALIDDATA;
1218  }
1219 
1220  return 0;
1221 }
1222 
1224  HEVCParamSets *ps, int apply_defdispwin)
1225 {
1226  HEVCSPS *sps;
1227  AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
1228  unsigned int sps_id;
1229  int ret;
1230  ptrdiff_t nal_size;
1231 
1232  if (!sps_buf)
1233  return AVERROR(ENOMEM);
1234  sps = (HEVCSPS*)sps_buf->data;
1235 
1236  av_log(avctx, AV_LOG_DEBUG, "Decoding SPS\n");
1237 
1238  nal_size = gb->buffer_end - gb->buffer;
1239  if (nal_size > sizeof(sps->data)) {
1240  av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized SPS "
1241  "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
1242  nal_size, sizeof(sps->data));
1243  sps->data_size = sizeof(sps->data);
1244  } else {
1245  sps->data_size = nal_size;
1246  }
1247  memcpy(sps->data, gb->buffer, sps->data_size);
1248 
1249  ret = ff_hevc_parse_sps(sps, gb, &sps_id,
1250  apply_defdispwin,
1251  ps->vps_list, avctx);
1252  if (ret < 0) {
1253  av_buffer_unref(&sps_buf);
1254  return ret;
1255  }
1256 
1257  if (avctx->debug & FF_DEBUG_BITSTREAM) {
1258  av_log(avctx, AV_LOG_DEBUG,
1259  "Parsed SPS: id %d; coded wxh: %dx%d; "
1260  "cropped wxh: %dx%d; pix_fmt: %s.\n",
1261  sps_id, sps->width, sps->height,
1265  }
1266 
1267  /* check if this is a repeat of an already parsed SPS, then keep the
1268  * original one.
1269  * otherwise drop all PPSes that depend on it */
1270  if (ps->sps_list[sps_id] &&
1271  !memcmp(ps->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
1272  av_buffer_unref(&sps_buf);
1273  } else {
1274  remove_sps(ps, sps_id);
1275  ps->sps_list[sps_id] = sps_buf;
1276  }
1277 
1278  return 0;
1279 }
1280 
1281 static void hevc_pps_free(void *opaque, uint8_t *data)
1282 {
1283  HEVCPPS *pps = (HEVCPPS*)data;
1284 
1285  av_freep(&pps->column_width);
1286  av_freep(&pps->row_height);
1287  av_freep(&pps->col_bd);
1288  av_freep(&pps->row_bd);
1289  av_freep(&pps->col_idxX);
1290  av_freep(&pps->ctb_addr_rs_to_ts);
1291  av_freep(&pps->ctb_addr_ts_to_rs);
1292  av_freep(&pps->tile_pos_rs);
1293  av_freep(&pps->tile_id);
1295 
1296  av_freep(&pps);
1297 }
1298 
1300  HEVCPPS *pps, HEVCSPS *sps) {
1301  int i;
1302 
1303  if (pps->transform_skip_enabled_flag) {
1305  }
1311  if (pps->chroma_qp_offset_list_len_minus1 > 5) {
1312  av_log(avctx, AV_LOG_ERROR,
1313  "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n");
1314  return AVERROR_INVALIDDATA;
1315  }
1316  for (i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
1317  pps->cb_qp_offset_list[i] = get_se_golomb_long(gb);
1318  if (pps->cb_qp_offset_list[i]) {
1319  av_log(avctx, AV_LOG_WARNING,
1320  "cb_qp_offset_list not tested yet.\n");
1321  }
1322  pps->cr_qp_offset_list[i] = get_se_golomb_long(gb);
1323  if (pps->cr_qp_offset_list[i]) {
1324  av_log(avctx, AV_LOG_WARNING,
1325  "cb_qp_offset_list not tested yet.\n");
1326  }
1327  }
1328  }
1331 
1332  if ( pps->log2_sao_offset_scale_luma > FFMAX(sps->bit_depth - 10, 0)
1333  || pps->log2_sao_offset_scale_chroma > FFMAX(sps->bit_depth_chroma - 10, 0)
1334  )
1335  return AVERROR_INVALIDDATA;
1336 
1337  return(0);
1338 }
1339 
1340 static inline int setup_pps(AVCodecContext *avctx, GetBitContext *gb,
1341  HEVCPPS *pps, HEVCSPS *sps)
1342 {
1343  int log2_diff;
1344  int pic_area_in_ctbs;
1345  int i, j, x, y, ctb_addr_rs, tile_id;
1346 
1347  // Inferred parameters
1348  pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
1349  pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
1350  pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
1351  if (!pps->col_bd || !pps->row_bd || !pps->col_idxX)
1352  return AVERROR(ENOMEM);
1353 
1354  if (pps->uniform_spacing_flag) {
1355  if (!pps->column_width) {
1356  pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1357  pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1358  }
1359  if (!pps->column_width || !pps->row_height)
1360  return AVERROR(ENOMEM);
1361 
1362  for (i = 0; i < pps->num_tile_columns; i++) {
1363  pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
1364  (i * sps->ctb_width) / pps->num_tile_columns;
1365  }
1366 
1367  for (i = 0; i < pps->num_tile_rows; i++) {
1368  pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
1369  (i * sps->ctb_height) / pps->num_tile_rows;
1370  }
1371  }
1372 
1373  pps->col_bd[0] = 0;
1374  for (i = 0; i < pps->num_tile_columns; i++)
1375  pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
1376 
1377  pps->row_bd[0] = 0;
1378  for (i = 0; i < pps->num_tile_rows; i++)
1379  pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
1380 
1381  for (i = 0, j = 0; i < sps->ctb_width; i++) {
1382  if (i > pps->col_bd[j])
1383  j++;
1384  pps->col_idxX[i] = j;
1385  }
1386 
1387  /**
1388  * 6.5
1389  */
1390  pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
1391 
1392  pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
1393  pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
1394  pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
1395  pps->min_tb_addr_zs_tab = av_malloc_array((sps->tb_mask+2) * (sps->tb_mask+2), sizeof(*pps->min_tb_addr_zs_tab));
1396  if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
1397  !pps->tile_id || !pps->min_tb_addr_zs_tab) {
1398  return AVERROR(ENOMEM);
1399  }
1400 
1401  for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1402  int tb_x = ctb_addr_rs % sps->ctb_width;
1403  int tb_y = ctb_addr_rs / sps->ctb_width;
1404  int tile_x = 0;
1405  int tile_y = 0;
1406  int val = 0;
1407 
1408  for (i = 0; i < pps->num_tile_columns; i++) {
1409  if (tb_x < pps->col_bd[i + 1]) {
1410  tile_x = i;
1411  break;
1412  }
1413  }
1414 
1415  for (i = 0; i < pps->num_tile_rows; i++) {
1416  if (tb_y < pps->row_bd[i + 1]) {
1417  tile_y = i;
1418  break;
1419  }
1420  }
1421 
1422  for (i = 0; i < tile_x; i++)
1423  val += pps->row_height[tile_y] * pps->column_width[i];
1424  for (i = 0; i < tile_y; i++)
1425  val += sps->ctb_width * pps->row_height[i];
1426 
1427  val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
1428  tb_x - pps->col_bd[tile_x];
1429 
1430  pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
1431  pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
1432  }
1433 
1434  for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
1435  for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
1436  for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
1437  for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
1438  pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
1439 
1440  pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
1441  if (!pps->tile_pos_rs)
1442  return AVERROR(ENOMEM);
1443 
1444  for (j = 0; j < pps->num_tile_rows; j++)
1445  for (i = 0; i < pps->num_tile_columns; i++)
1446  pps->tile_pos_rs[j * pps->num_tile_columns + i] =
1447  pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
1448 
1449  log2_diff = sps->log2_ctb_size - sps->log2_min_tb_size;
1450  pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1];
1451  for (y = 0; y < sps->tb_mask+2; y++) {
1452  pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1;
1453  pps->min_tb_addr_zs_tab[y] = -1;
1454  }
1455  for (y = 0; y < sps->tb_mask+1; y++) {
1456  for (x = 0; x < sps->tb_mask+1; x++) {
1457  int tb_x = x >> log2_diff;
1458  int tb_y = y >> log2_diff;
1459  int rs = sps->ctb_width * tb_y + tb_x;
1460  int val = pps->ctb_addr_rs_to_ts[rs] << (log2_diff * 2);
1461  for (i = 0; i < log2_diff; i++) {
1462  int m = 1 << i;
1463  val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1464  }
1465  pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val;
1466  }
1467  }
1468 
1469  return 0;
1470 }
1471 
1473  HEVCParamSets *ps)
1474 {
1475  HEVCSPS *sps = NULL;
1476  int i, ret = 0;
1477  unsigned int pps_id = 0;
1478  ptrdiff_t nal_size;
1479  unsigned log2_parallel_merge_level_minus2;
1480 
1481  AVBufferRef *pps_buf;
1482  HEVCPPS *pps = av_mallocz(sizeof(*pps));
1483 
1484  if (!pps)
1485  return AVERROR(ENOMEM);
1486 
1487  pps_buf = av_buffer_create((uint8_t *)pps, sizeof(*pps),
1488  hevc_pps_free, NULL, 0);
1489  if (!pps_buf) {
1490  av_freep(&pps);
1491  return AVERROR(ENOMEM);
1492  }
1493 
1494  av_log(avctx, AV_LOG_DEBUG, "Decoding PPS\n");
1495 
1496  nal_size = gb->buffer_end - gb->buffer;
1497  if (nal_size > sizeof(pps->data)) {
1498  av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized PPS "
1499  "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n",
1500  nal_size, sizeof(pps->data));
1501  pps->data_size = sizeof(pps->data);
1502  } else {
1503  pps->data_size = nal_size;
1504  }
1505  memcpy(pps->data, gb->buffer, pps->data_size);
1506 
1507  // Default values
1509  pps->num_tile_columns = 1;
1510  pps->num_tile_rows = 1;
1511  pps->uniform_spacing_flag = 1;
1512  pps->disable_dbf = 0;
1513  pps->beta_offset = 0;
1514  pps->tc_offset = 0;
1516 
1517  // Coded parameters
1518  pps_id = get_ue_golomb_long(gb);
1519  if (pps_id >= HEVC_MAX_PPS_COUNT) {
1520  av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
1521  ret = AVERROR_INVALIDDATA;
1522  goto err;
1523  }
1524  pps->sps_id = get_ue_golomb_long(gb);
1525  if (pps->sps_id >= HEVC_MAX_SPS_COUNT) {
1526  av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
1527  ret = AVERROR_INVALIDDATA;
1528  goto err;
1529  }
1530  if (!ps->sps_list[pps->sps_id]) {
1531  av_log(avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id);
1532  ret = AVERROR_INVALIDDATA;
1533  goto err;
1534  }
1535  sps = (HEVCSPS *)ps->sps_list[pps->sps_id]->data;
1536 
1539  pps->num_extra_slice_header_bits = get_bits(gb, 3);
1540 
1541  pps->sign_data_hiding_flag = get_bits1(gb);
1542 
1544 
1547 
1549 
1552 
1554  pps->diff_cu_qp_delta_depth = 0;
1555  if (pps->cu_qp_delta_enabled_flag)
1557 
1558  if (pps->diff_cu_qp_delta_depth < 0 ||
1560  av_log(avctx, AV_LOG_ERROR, "diff_cu_qp_delta_depth %d is invalid\n",
1561  pps->diff_cu_qp_delta_depth);
1562  ret = AVERROR_INVALIDDATA;
1563  goto err;
1564  }
1565 
1566  pps->cb_qp_offset = get_se_golomb(gb);
1567  if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
1568  av_log(avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
1569  pps->cb_qp_offset);
1570  ret = AVERROR_INVALIDDATA;
1571  goto err;
1572  }
1573  pps->cr_qp_offset = get_se_golomb(gb);
1574  if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
1575  av_log(avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
1576  pps->cr_qp_offset);
1577  ret = AVERROR_INVALIDDATA;
1578  goto err;
1579  }
1581 
1582  pps->weighted_pred_flag = get_bits1(gb);
1583  pps->weighted_bipred_flag = get_bits1(gb);
1584 
1586  pps->tiles_enabled_flag = get_bits1(gb);
1588 
1589  if (pps->tiles_enabled_flag) {
1590  pps->num_tile_columns = get_ue_golomb_long(gb) + 1;
1591  pps->num_tile_rows = get_ue_golomb_long(gb) + 1;
1592  if (pps->num_tile_columns <= 0 ||
1593  pps->num_tile_columns >= sps->width) {
1594  av_log(avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
1595  pps->num_tile_columns - 1);
1596  ret = AVERROR_INVALIDDATA;
1597  goto err;
1598  }
1599  if (pps->num_tile_rows <= 0 ||
1600  pps->num_tile_rows >= sps->height) {
1601  av_log(avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
1602  pps->num_tile_rows - 1);
1603  ret = AVERROR_INVALIDDATA;
1604  goto err;
1605  }
1606 
1607  pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1608  pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1609  if (!pps->column_width || !pps->row_height) {
1610  ret = AVERROR(ENOMEM);
1611  goto err;
1612  }
1613 
1614  pps->uniform_spacing_flag = get_bits1(gb);
1615  if (!pps->uniform_spacing_flag) {
1616  uint64_t sum = 0;
1617  for (i = 0; i < pps->num_tile_columns - 1; i++) {
1618  pps->column_width[i] = get_ue_golomb_long(gb) + 1;
1619  sum += pps->column_width[i];
1620  }
1621  if (sum >= sps->ctb_width) {
1622  av_log(avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
1623  ret = AVERROR_INVALIDDATA;
1624  goto err;
1625  }
1626  pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
1627 
1628  sum = 0;
1629  for (i = 0; i < pps->num_tile_rows - 1; i++) {
1630  pps->row_height[i] = get_ue_golomb_long(gb) + 1;
1631  sum += pps->row_height[i];
1632  }
1633  if (sum >= sps->ctb_height) {
1634  av_log(avctx, AV_LOG_ERROR, "Invalid tile heights.\n");
1635  ret = AVERROR_INVALIDDATA;
1636  goto err;
1637  }
1638  pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
1639  }
1641  }
1642 
1644 
1648  pps->disable_dbf = get_bits1(gb);
1649  if (!pps->disable_dbf) {
1650  int beta_offset_div2 = get_se_golomb(gb);
1651  int tc_offset_div2 = get_se_golomb(gb) ;
1652  if (beta_offset_div2 < -6 || beta_offset_div2 > 6) {
1653  av_log(avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n",
1654  beta_offset_div2);
1655  ret = AVERROR_INVALIDDATA;
1656  goto err;
1657  }
1658  if (tc_offset_div2 < -6 || tc_offset_div2 > 6) {
1659  av_log(avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n",
1660  tc_offset_div2);
1661  ret = AVERROR_INVALIDDATA;
1662  goto err;
1663  }
1664  pps->beta_offset = 2 * beta_offset_div2;
1665  pps->tc_offset = 2 * tc_offset_div2;
1666  }
1667  }
1668 
1670  if (pps->scaling_list_data_present_flag) {
1672  ret = scaling_list_data(gb, avctx, &pps->scaling_list, sps);
1673  if (ret < 0)
1674  goto err;
1675  }
1677  log2_parallel_merge_level_minus2 = get_ue_golomb_long(gb);
1678  if (log2_parallel_merge_level_minus2 > sps->log2_ctb_size) {
1679  av_log(avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n",
1680  log2_parallel_merge_level_minus2);
1681  ret = AVERROR_INVALIDDATA;
1682  goto err;
1683  }
1684  pps->log2_parallel_merge_level = log2_parallel_merge_level_minus2 + 2;
1685 
1687 
1688  if (get_bits1(gb)) { // pps_extension_present_flag
1689  int pps_range_extensions_flag = get_bits1(gb);
1690  skip_bits(gb, 7); // pps_extension_7bits
1691  if (sps->ptl.general_ptl.profile_idc == FF_PROFILE_HEVC_REXT && pps_range_extensions_flag) {
1692  if ((ret = pps_range_extensions(gb, avctx, pps, sps)) < 0)
1693  goto err;
1694  }
1695  }
1696 
1697  ret = setup_pps(avctx, gb, pps, sps);
1698  if (ret < 0)
1699  goto err;
1700 
1701  if (get_bits_left(gb) < 0) {
1702  av_log(avctx, AV_LOG_ERROR,
1703  "Overread PPS by %d bits\n", -get_bits_left(gb));
1704  goto err;
1705  }
1706 
1707  remove_pps(ps, pps_id);
1708  ps->pps_list[pps_id] = pps_buf;
1709 
1710  return 0;
1711 
1712 err:
1713  av_buffer_unref(&pps_buf);
1714  return ret;
1715 }
1716 
1718 {
1719  int i;
1720 
1721  for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
1722  av_buffer_unref(&ps->vps_list[i]);
1723  for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
1724  av_buffer_unref(&ps->sps_list[i]);
1725  for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
1726  av_buffer_unref(&ps->pps_list[i]);
1727 
1728  ps->sps = NULL;
1729  ps->pps = NULL;
1730  ps->vps = NULL;
1731 }
1732 
1733 int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)
1734 {
1735  int max_poc_lsb = 1 << sps->log2_max_poc_lsb;
1736  int prev_poc_lsb = pocTid0 % max_poc_lsb;
1737  int prev_poc_msb = pocTid0 - prev_poc_lsb;
1738  int poc_msb;
1739 
1740  if (poc_lsb < prev_poc_lsb && prev_poc_lsb - poc_lsb >= max_poc_lsb / 2)
1741  poc_msb = prev_poc_msb + max_poc_lsb;
1742  else if (poc_lsb > prev_poc_lsb && poc_lsb - prev_poc_lsb > max_poc_lsb / 2)
1743  poc_msb = prev_poc_msb - max_poc_lsb;
1744  else
1745  poc_msb = prev_poc_msb;
1746 
1747  // For BLA picture types, POCmsb is set to 0.
1748  if (nal_unit_type == HEVC_NAL_BLA_W_LP ||
1749  nal_unit_type == HEVC_NAL_BLA_W_RADL ||
1750  nal_unit_type == HEVC_NAL_BLA_N_LP)
1751  poc_msb = 0;
1752 
1753  return poc_msb + poc_lsb;
1754 }
static unsigned int show_bits_long(GetBitContext *s, int n)
Show 0-32 bits.
Definition: get_bits.h:587
PTLCommon sub_layer_ptl[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:189
const HEVCPPS * pps
Definition: hevc_ps.h:403
#define NULL
Definition: coverity.c:32
unsigned int log2_min_cb_size
Definition: hevc_ps.h:277
const char const char void * val
Definition: avisynth_c.h:771
uint8_t log2_sao_offset_scale_luma
Definition: hevc_ps.h:374
int min_spatial_segmentation_idc
Definition: hevc_ps.h:168
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
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
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2446
int ctb_height
Definition: hevc_ps.h:299
AVBufferRef * vps_list[HEVC_MAX_VPS_COUNT]
Definition: hevc_ps.h:396
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
uint8_t diff_cu_chroma_qp_offset_depth
Definition: hevc_ps.h:370
static int get_se_golomb(GetBitContext *gb)
read signed exp golomb code.
Definition: golomb.h:237
int vui_num_ticks_poc_diff_one_minus1
Definition: hevc_ps.h:161
int max_dec_pic_buffering
Definition: hevc_ps.h:244
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
int transform_skip_rotation_enabled_flag
Definition: hevc_ps.h:287
misc image utilities
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Definition: get_bits.h:381
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
const char * desc
Definition: nvenc.c:68
unsigned int * row_height
RowHeight.
Definition: hevc_ps.h:379
int vps_num_ticks_poc_diff_one
vps_num_ticks_poc_diff_one_minus1 + 1
Definition: hevc_ps.h:211
int pic_init_qp_minus26
Definition: hevc_ps.h:327
unsigned int vps_max_latency_increase[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:204
VUI vui
Definition: hevc_ps.h:250
int vshift[3]
Definition: hevc_ps.h:310
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
static const uint8_t hevc_sub_width_c[]
Definition: hevc_ps.c:73
int num
Numerator.
Definition: rational.h:59
#define FF_DEBUG_BITSTREAM
Definition: avcodec.h:2624
uint32_t vui_time_scale
Definition: hevc_ps.h:159
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:395
uint8_t weighted_bipred_flag
Definition: hevc_ps.h:339
const uint8_t * buffer
Definition: get_bits.h:62
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
unsigned int left_offset
Definition: hevc_ps.h:126
Definition: hevc_ps.h:187
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:359
unsigned int vps_max_dec_pic_buffering[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:202
uint8_t seq_loop_filter_across_slices_enabled_flag
Definition: hevc_ps.h:352
uint8_t cabac_init_present_flag
Definition: hevc_ps.h:323
int chroma_loc_info_present_flag
Definition: hevc_ps.h:146
static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb, int subpic_params_present)
Definition: hevc_ps.c:345
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:383
int max_latency_increase
Definition: hevc_ps.h:246
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS]
Definition: hevc_ps.h:264
ShortTermRPS st_rps[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]
Definition: hevc_ps.h:257
int min_cb_height
Definition: hevc_ps.h:302
int * ctb_addr_ts_to_rs
CtbAddrTSToRS.
Definition: hevc_ps.h:385
int explicit_rdpcm_enabled_flag
Definition: hevc_ps.h:290
int num_ref_idx_l0_default_active
num_ref_idx_l0_default_active_minus1 + 1
Definition: hevc_ps.h:325
static const AVRational vui_sar[]
Definition: hevc_ps.c:53
int8_t cr_qp_offset_list[6]
Definition: hevc_ps.h:373
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:487
int chroma_sample_loc_type_top_field
Definition: hevc_ps.h:147
int width
Definition: hevc_ps.h:296
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
const char * av_color_space_name(enum AVColorSpace space)
Definition: pixdesc.c:2839
int qp_bd_offset
Definition: hevc_ps.h:312
int pixel_shift
Definition: hevc_ps.h:236
uint8_t entropy_coding_sync_enabled_flag
Definition: hevc_ps.h:345
HEVCWindow output_window
Definition: hevc_ps.h:230
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:360
int log2_parallel_merge_level
log2_parallel_merge_level_minus2 + 2
Definition: hevc_ps.h:364
uint8_t log2_sao_offset_scale_chroma
Definition: hevc_ps.h:375
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:361
int restricted_ref_pic_lists_flag
Definition: hevc_ps.h:167
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static void remove_vps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:105
int chroma_format_idc
Definition: hevc_ps.h:227
uint8_t disable_dbf
Definition: hevc_ps.h:356
unsigned int log2_max_trafo_size
Definition: hevc_ps.h:280
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
AVBufferRef * sps_list[HEVC_MAX_SPS_COUNT]
Definition: hevc_ps.h:397
uint8_t profile_compatibility_flag[32]
Definition: hevc_ps.h:179
Definition: hevc_ps.h:132
static int decode_hrd(GetBitContext *gb, int common_inf_present, int max_sublayers)
Definition: hevc_ps.c:362
unsigned int num_negative_pics
Definition: hevc_ps.h:35
uint8_t
static void remove_pps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:81
static const uint8_t default_scaling_list_inter[]
Definition: hevc_ps.c:42
float delta
HEVCWindow pic_conf_win
Definition: hevc_ps.h:232
uint8_t log2_max_transform_skip_block_size
Definition: hevc_ps.h:367
int overscan_info_present_flag
Definition: hevc_ps.h:135
uint8_t vps_timing_info_present_flag
Definition: hevc_ps.h:207
uint8_t matrix_coeffs
Definition: hevc_ps.h:144
int min_tb_width
Definition: hevc_ps.h:303
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:2957
const uint8_t ff_hevc_diag_scan8x8_x[64]
Definition: hevc_data.c:39
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:874
const HEVCVPS * vps
Definition: hevc_ps.h:401
int num_ref_idx_l1_default_active
num_ref_idx_l1_default_active_minus1 + 1
Definition: hevc_ps.h:326
unsigned int log2_min_pcm_cb_size
Definition: hevc_ps.h:270
int min_cb_width
Definition: hevc_ps.h:301
int vps_max_sub_layers
vps_max_temporal_layers_minus1 + 1
Definition: hevc_ps.h:198
int frame_field_info_present_flag
Definition: hevc_ps.h:152
uint8_t tier_flag
Definition: hevc_ps.h:177
uint8_t scaling_list_data_present_flag
Definition: hevc_ps.h:360
int high_precision_offsets_enabled_flag
Definition: hevc_ps.h:292
AVBufferRef * pps_list[HEVC_MAX_PPS_COUNT]
Definition: hevc_ps.h:398
uint8_t loop_filter_disable_flag
Definition: hevc_ps.h:272
static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
Definition: hevc_ps.c:825
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:384
#define FF_PROFILE_HEVC_MAIN_10
Definition: avcodec.h:2958
int8_t cb_qp_offset_list[6]
Definition: hevc_ps.h:372
int bitstream_restriction_flag
Definition: hevc_ps.h:164
uint8_t transquant_bypass_enable_flag
Definition: hevc_ps.h:341
#define av_log(a,...)
int bit_depth_chroma
Definition: hevc_ps.h:235
int vps_max_layer_id
Definition: hevc_ps.h:205
#define U(x)
Definition: vp56_arith.h:37
static int get_bits_left(GetBitContext *gb)
Definition: get_bits.h:814
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
uint8_t frame_only_constraint_flag
Definition: hevc_ps.h:184
#define AV_CODEC_FLAG2_IGNORE_CROP
Discard cropping information from SPS.
Definition: avcodec.h:933
unsigned int log2_max_poc_lsb
Definition: hevc_ps.h:239
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
int vps_max_layers
Definition: hevc_ps.h:197
int min_pu_height
Definition: hevc_ps.h:306
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:1733
#define PTRDIFF_SPECIFIER
Definition: internal.h:261
int persistent_rice_adaptation_enabled_flag
coded frame dimension in various units
Definition: hevc_ps.h:293
uint8_t temporal_id_nesting_flag
Definition: hevc_ps.h:248
int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:424
#define AVERROR(e)
Definition: error.h:43
int data_size
Definition: hevc_ps.h:392
int vui_timing_info_present_flag
Definition: hevc_ps.h:157
uint8_t amp_enabled_flag
Definition: hevc_ps.h:259
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
unsigned int log2_ctb_size
Definition: hevc_ps.h:281
int vui_poc_proportional_to_timing_flag
Definition: hevc_ps.h:160
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:382
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
uint8_t vps_temporal_id_nesting_flag
Definition: hevc_ps.h:196
#define FFMAX(a, b)
Definition: common.h:94
uint8_t colour_primaries
Definition: hevc_ps.h:142
uint8_t used[32]
Definition: hevc_ps.h:39
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2791
int motion_vectors_over_pic_boundaries_flag
Definition: hevc_ps.h:166
uint8_t tiles_enabled_flag
Definition: hevc_ps.h:344
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
uint32_t vps_num_units_in_tick
Definition: hevc_ps.h:208
int * col_idxX
Definition: hevc_ps.h:382
uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:192
const HEVCSPS * sps
Definition: hevc_ps.h:402
int vps_num_layer_sets
vps_num_layer_sets_minus1 + 1
Definition: hevc_ps.h:206
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:377
uint8_t lists_modification_present_flag
Definition: hevc_ps.h:363
int * min_tb_addr_zs_tab
MinTbAddrZS.
Definition: hevc_ps.h:389
uint8_t profile_idc
Definition: hevc_ps.h:178
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:282
static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx, HEVCPPS *pps, HEVCSPS *sps)
Definition: hevc_ps.c:1299
int err_recognition
Error recognition; may misdetect some more or less valid parts as errors.
Definition: avcodec.h:2665
struct HEVCSPS::@92 temporal_layer[HEVC_MAX_SUB_LAYERS]
int max_transform_hierarchy_depth_inter
Definition: hevc_ps.h:284
#define FFMIN(a, b)
Definition: common.h:96
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
uint8_t vps_poc_proportional_to_timing_flag
Definition: hevc_ps.h:210
int num_tile_columns
num_tile_columns_minus1 + 1
Definition: hevc_ps.h:347
unsigned int top_offset
Definition: hevc_ps.h:128
int hshift[3]
Definition: hevc_ps.h:309
unsigned int vps_num_reorder_pics[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:203
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE
Definition: avcodec.h:2959
int32_t
int max_bits_per_min_cu_denom
Definition: hevc_ps.h:170
uint8_t cu_qp_delta_enabled_flag
Definition: hevc_ps.h:332
#define s(width, name)
Definition: cbs_vp9.c:257
int ctb_width
Definition: hevc_ps.h:298
uint8_t sl_dc[2][6]
Definition: hevc_ps.h:222
int32_t delta_poc[32]
Definition: hevc_ps.h:38
uint8_t sign_data_hiding_flag
Definition: hevc_ps.h:321
int height
Definition: hevc_ps.h:297
#define AV_EF_EXPLODE
abort decoding on minor error detection
Definition: avcodec.h:2676
uint8_t output_flag_present_flag
Definition: hevc_ps.h:340
int log2_max_mv_length_vertical
Definition: hevc_ps.h:172
int data_size
Definition: hevc_ps.h:215
PTLCommon general_ptl
Definition: hevc_ps.h:188
const uint8_t ff_hevc_diag_scan4x4_y[16]
Definition: hevc_data.c:32
uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS]
Definition: hevc_ps.h:191
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:378
int max_bytes_per_pic_denom
Definition: hevc_ps.h:169
int overscan_appropriate_flag
Definition: hevc_ps.h:136
static void set_default_scaling_list_data(ScalingList *sl)
Definition: hevc_ps.c:723
int implicit_rdpcm_enabled_flag
Definition: hevc_ps.h:289
unsigned vps_id
Definition: hevc_ps.h:226
#define FF_ARRAY_ELEMS(a)
uint8_t constrained_intra_pred_flag
Definition: hevc_ps.h:329
int tb_mask
Definition: hevc_ps.h:307
uint8_t sl[4][6][64]
Definition: hevc_ps.h:221
PTL ptl
Definition: hevc_ps.h:200
uint8_t pic_slice_level_chroma_qp_offsets_present_flag
Definition: hevc_ps.h:337
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:103
uint32_t vps_time_scale
Definition: hevc_ps.h:209
int colour_description_present_flag
Definition: hevc_ps.h:141
void ff_hevc_ps_uninit(HEVCParamSets *ps)
Definition: hevc_ps.c:1717
enum AVPixelFormat pix_fmt
Definition: hevc_ps.h:237
static int get_se_golomb_long(GetBitContext *gb)
Definition: golomb.h:292
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
uint8_t transform_skip_enabled_flag
Definition: hevc_ps.h:330
uint8_t uniform_spacing_flag
Definition: hevc_ps.h:349
int ctb_size
Definition: hevc_ps.h:300
static void decode_vui(GetBitContext *gb, AVCodecContext *avctx, int apply_defdispwin, HEVCSPS *sps)
Definition: hevc_ps.c:558
int * ctb_addr_rs_to_ts
CtbAddrRSToTS.
Definition: hevc_ps.h:384
PTL ptl
Definition: hevc_ps.h:251
int max_sub_layers
Definition: hevc_ps.h:242
unsigned int log2_min_pu_size
Definition: hevc_ps.h:282
unsigned int sps_id
seq_parameter_set_id
Definition: hevc_ps.h:319
int debug
debug
Definition: avcodec.h:2621
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
ScalingList scaling_list
Definition: hevc_ps.h:361
main external API structure.
Definition: avcodec.h:1540
static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx, PTL *ptl, int max_num_sub_layers)
Definition: hevc_ps.c:305
int log2_max_mv_length_horizontal
Definition: hevc_ps.h:171
uint8_t sao_enabled
Definition: hevc_ps.h:260
int num_extra_slice_header_bits
Definition: hevc_ps.h:365
uint8_t * data
The data buffer.
Definition: buffer.h:89
uint8_t loop_filter_across_tiles_enabled_flag
Definition: hevc_ps.h:350
uint8_t num_long_term_ref_pics_sps
Definition: hevc_ps.h:265
uint8_t cross_component_prediction_enabled_flag
Definition: hevc_ps.h:368
uint32_t vui_num_units_in_tick
Definition: hevc_ps.h:158
AVBufferRef * av_buffer_allocz(int size)
Same as av_buffer_alloc(), except the returned buffer will be initialized to zero.
Definition: buffer.c:83
uint8_t deblocking_filter_control_present_flag
Definition: hevc_ps.h:354
static unsigned int get_bits1(GetBitContext *s)
Definition: get_bits.h:487
int transform_skip_context_enabled_flag
Definition: hevc_ps.h:288
static void skip_bits1(GetBitContext *s)
Definition: get_bits.h:523
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
uint8_t sps_temporal_mvp_enabled_flag
Definition: hevc_ps.h:274
unsigned int nb_st_rps
Definition: hevc_ps.h:256
int chroma_sample_loc_type_bottom_field
Definition: hevc_ps.h:148
int num_tile_rows
num_tile_rows_minus1 + 1
Definition: hevc_ps.h:348
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:460
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
uint8_t chroma_qp_offset_list_enabled_flag
Definition: hevc_ps.h:369
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int vps_num_hrd_parameters
Definition: hevc_ps.h:212
static void hevc_pps_free(void *opaque, uint8_t *data)
Definition: hevc_ps.c:1281
unsigned int log2_min_tb_size
Definition: hevc_ps.h:279
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps)
Definition: hevc_ps.c:1472
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:376
static const uint8_t hevc_sub_height_c[]
Definition: hevc_ps.c:77
int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, HEVCParamSets *ps, int apply_defdispwin)
Definition: hevc_ps.c:1223
static unsigned int get_bits_long(GetBitContext *s, int n)
Read 0-32 bits.
Definition: get_bits.h:531
uint8_t scaling_list_enable_flag
Definition: hevc_ps.h:253
int * tile_id
TileId.
Definition: hevc_ps.h:386
static const uint8_t default_scaling_list_intra[]
Definition: hevc_ps.c:31
int tc_offset
tc_offset_div2 * 2
Definition: hevc_ps.h:358
uint8_t transfer_characteristic
Definition: hevc_ps.h:143
int default_display_window_flag
Definition: hevc_ps.h:154
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
int size
Size of data in bytes.
Definition: buffer.h:93
HEVCWindow def_disp_win
Definition: hevc_ps.h:155
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:396
int cr_qp_offset
Definition: hevc_ps.h:336
ScalingList scaling_list
Definition: hevc_ps.h:254
#define SIZE_SPECIFIER
Definition: internal.h:262
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
unsigned int log2_diff_max_min_coding_block_size
Definition: hevc_ps.h:278
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:386
static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingList *sl, HEVCSPS *sps)
Definition: hevc_ps.c:753
unsigned int log2_max_pcm_cb_size
Definition: hevc_ps.h:271
static int setup_pps(AVCodecContext *avctx, GetBitContext *gb, HEVCPPS *pps, HEVCSPS *sps)
Definition: hevc_ps.c:1340
uint8_t level_idc
Definition: hevc_ps.h:180
int neutra_chroma_indication_flag
Definition: hevc_ps.h:149
int * tile_pos_rs
TilePosRS.
Definition: hevc_ps.h:387
static int FUNC() timing_info(CodedBitstreamContext *ctx, RWContext *rw, AV1RawTimingInfo *current)
const uint8_t ff_hevc_diag_scan4x4_x[16]
Definition: hevc_data.c:25
int data_size
Definition: hevc_ps.h:315
A reference to a data buffer.
Definition: buffer.h:81
int max_transform_hierarchy_depth_intra
Definition: hevc_ps.h:285
uint8_t profile_space
Definition: hevc_ps.h:176
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
unsigned int * row_bd
RowBd.
Definition: hevc_ps.h:381
uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS]
Definition: hevc_ps.h:263
int video_format
Definition: hevc_ps.h:139
uint8_t weighted_pred_flag
Definition: hevc_ps.h:338
uint8_t data[4096]
Definition: hevc_ps.h:214
unsigned int * col_bd
ColBd.
Definition: hevc_ps.h:380
const char * av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
Definition: pixdesc.c:2815
const uint8_t * buffer_end
Definition: get_bits.h:62
unsigned int * column_width
ColumnWidth.
Definition: hevc_ps.h:378
uint8_t slice_header_extension_present_flag
Definition: hevc_ps.h:366
static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx, PTLCommon *ptl)
Definition: hevc_ps.c:265
int den
Denominator.
Definition: rational.h:60
int video_full_range_flag
Definition: hevc_ps.h:140
AVRational sar
Definition: hevc_ps.h:133
uint8_t chroma_qp_offset_list_len_minus1
Definition: hevc_ps.h:371
const uint8_t ff_hevc_diag_scan8x8_y[64]
Definition: hevc_data.c:58
int num_delta_pocs
Definition: hevc_ps.h:36
#define FF_PROFILE_HEVC_REXT
Definition: avcodec.h:2960
uint8_t sps_strong_intra_smoothing_enable_flag
Definition: hevc_ps.h:275
int rps_idx_num_delta_pocs
Definition: hevc_ps.h:37
uint8_t data[4096]
Definition: hevc_ps.h:314
int min_pu_width
Definition: hevc_ps.h:305
uint8_t long_term_ref_pics_present_flag
Definition: hevc_ps.h:262
int flags2
AV_CODEC_FLAG2_*.
Definition: avcodec.h:1627
int vui_hrd_parameters_present_flag
Definition: hevc_ps.h:162
unsigned int right_offset
Definition: hevc_ps.h:127
int diff_cu_qp_delta_depth
Definition: hevc_ps.h:333
#define av_freep(p)
void INT64 start
Definition: avisynth_c.h:690
int num_reorder_pics
Definition: hevc_ps.h:245
static void remove_sps(HEVCParamSets *s, int id)
Definition: hevc_ps.c:88
uint8_t progressive_source_flag
Definition: hevc_ps.h:181
int cb_qp_offset
Definition: hevc_ps.h:335
#define av_malloc_array(a, b)
int video_signal_type_present_flag
Definition: hevc_ps.h:138
uint8_t deblocking_filter_override_enabled_flag
Definition: hevc_ps.h:355
int bit_depth
Definition: hevc_ps.h:234
int beta_offset
beta_offset_div2 * 2
Definition: hevc_ps.h:357
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:2362
int min_tb_height
Definition: hevc_ps.h:304
int * min_tb_addr_zs
MinTbAddrZS.
Definition: hevc_ps.h:388
uint8_t non_packed_constraint_flag
Definition: hevc_ps.h:183
int intra_smoothing_disabled_flag
Definition: hevc_ps.h:291
exp golomb vlc stuff
int pcm_enabled_flag
Definition: hevc_ps.h:240
enum AVCodecID id
int tiles_fixed_structure_flag
Definition: hevc_ps.h:165
uint8_t interlaced_source_flag
Definition: hevc_ps.h:182
int field_seq_flag
Definition: hevc_ps.h:151
for(j=16;j >0;--j)
uint8_t separate_colour_plane_flag
Definition: hevc_ps.h:228
unsigned int bottom_offset
Definition: hevc_ps.h:129
int vps_sub_layer_ordering_info_present_flag
Definition: hevc_ps.h:201
struct HEVCSPS::@93 pcm
uint8_t data[4096]
Definition: hevc_ps.h:391
uint8_t dependent_slice_segments_enabled_flag
Definition: hevc_ps.h:343
static uint8_t tmp[11]
Definition: aes_ctr.c:26