FFmpeg  4.2.3
cbs_h265_syntax_template.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
20 {
21  int err;
22 
23  fixed(1, rbsp_stop_one_bit, 1);
24  while (byte_alignment(rw) != 0)
25  fixed(1, rbsp_alignment_zero_bit, 0);
26 
27  return 0;
28 }
29 
31  H265RawNALUnitHeader *current,
32  int expected_nal_unit_type)
33 {
34  int err;
35 
36  fixed(1, forbidden_zero_bit, 0);
37 
38  if (expected_nal_unit_type >= 0)
39  u(6, nal_unit_type, expected_nal_unit_type,
40  expected_nal_unit_type);
41  else
42  ub(6, nal_unit_type);
43 
44  u(6, nuh_layer_id, 0, 62);
45  u(3, nuh_temporal_id_plus1, 1, 7);
46 
47  return 0;
48 }
49 
51 {
52  int err;
53 
54  fixed(1, alignment_bit_equal_to_one, 1);
55  while (byte_alignment(rw) != 0)
56  fixed(1, alignment_bit_equal_to_zero, 0);
57 
58  return 0;
59 }
60 
62  H265RawPSExtensionData *current)
63 {
64  int err;
65  size_t k;
66 #ifdef READ
68  uint8_t bit;
69  start = *rw;
70  for (k = 0; cbs_h2645_read_more_rbsp_data(rw); k++)
71  skip_bits(rw, 1);
72  current->bit_length = k;
73  if (k > 0) {
74  *rw = start;
75  allocate(current->data, (current->bit_length + 7) / 8);
76  for (k = 0; k < current->bit_length; k++) {
77  xu(1, extension_data, bit, 0, 1, 0);
78  current->data[k / 8] |= bit << (7 - k % 8);
79  }
80  }
81 #else
82  for (k = 0; k < current->bit_length; k++)
83  xu(1, extension_data, current->data[k / 8] >> (7 - k % 8) & 1, 0, 1, 0);
84 #endif
85  return 0;
86 }
87 
89  H265RawProfileTierLevel *current,
90  int profile_present_flag,
91  int max_num_sub_layers_minus1)
92 {
93  int err, i, j;
94 
95  if (profile_present_flag) {
96  u(2, general_profile_space, 0, 0);
97  flag(general_tier_flag);
98  ub(5, general_profile_idc);
99 
100  for (j = 0; j < 32; j++)
101  flags(general_profile_compatibility_flag[j], 1, j);
102 
103  flag(general_progressive_source_flag);
104  flag(general_interlaced_source_flag);
105  flag(general_non_packed_constraint_flag);
106  flag(general_frame_only_constraint_flag);
107 
108 #define profile_compatible(x) (current->general_profile_idc == (x) || \
109  current->general_profile_compatibility_flag[x])
110  if (profile_compatible(4) || profile_compatible(5) ||
113  profile_compatible(10)) {
114  flag(general_max_12bit_constraint_flag);
115  flag(general_max_10bit_constraint_flag);
116  flag(general_max_8bit_constraint_flag);
117  flag(general_max_422chroma_constraint_flag);
118  flag(general_max_420chroma_constraint_flag);
119  flag(general_max_monochrome_constraint_flag);
120  flag(general_intra_constraint_flag);
121  flag(general_one_picture_only_constraint_flag);
122  flag(general_lower_bit_rate_constraint_flag);
123 
124  if (profile_compatible(5) || profile_compatible(9) ||
125  profile_compatible(10)) {
126  flag(general_max_14bit_constraint_flag);
127  fixed(24, general_reserved_zero_33bits, 0);
128  fixed( 9, general_reserved_zero_33bits, 0);
129  } else {
130  fixed(24, general_reserved_zero_34bits, 0);
131  fixed(10, general_reserved_zero_34bits, 0);
132  }
133  } else if (profile_compatible(2)) {
134  fixed(7, general_reserved_zero_7bits, 0);
135  flag(general_one_picture_only_constraint_flag);
136  fixed(24, general_reserved_zero_35bits, 0);
137  fixed(11, general_reserved_zero_35bits, 0);
138  } else {
139  fixed(24, general_reserved_zero_43bits, 0);
140  fixed(19, general_reserved_zero_43bits, 0);
141  }
142 
143  if (profile_compatible(1) || profile_compatible(2) ||
146  flag(general_inbld_flag);
147  } else {
148  fixed(1, general_reserved_zero_bit, 0);
149  }
150 #undef profile_compatible
151  }
152 
153  ub(8, general_level_idc);
154 
155  for (i = 0; i < max_num_sub_layers_minus1; i++) {
156  flags(sub_layer_profile_present_flag[i], 1, i);
157  flags(sub_layer_level_present_flag[i], 1, i);
158  }
159 
160  if (max_num_sub_layers_minus1 > 0) {
161  for (i = max_num_sub_layers_minus1; i < 8; i++)
162  fixed(2, reserved_zero_2bits, 0);
163  }
164 
165  for (i = 0; i < max_num_sub_layers_minus1; i++) {
166  if (current->sub_layer_profile_present_flag[i]) {
167  us(2, sub_layer_profile_space[i], 0, 0, 1, i);
168  flags(sub_layer_tier_flag[i], 1, i);
169  ubs(5, sub_layer_profile_idc[i], 1, i);
170 
171  for (j = 0; j < 32; j++)
172  flags(sub_layer_profile_compatibility_flag[i][j], 2, i, j);
173 
174  flags(sub_layer_progressive_source_flag[i], 1, i);
175  flags(sub_layer_interlaced_source_flag[i], 1, i);
176  flags(sub_layer_non_packed_constraint_flag[i], 1, i);
177  flags(sub_layer_frame_only_constraint_flag[i], 1, i);
178 
179 #define profile_compatible(x) (current->sub_layer_profile_idc[i] == (x) || \
180  current->sub_layer_profile_compatibility_flag[i][x])
181  if (profile_compatible(4) || profile_compatible(5) ||
184  profile_compatible(10)) {
185  flags(sub_layer_max_12bit_constraint_flag[i], 1, i);
186  flags(sub_layer_max_10bit_constraint_flag[i], 1, i);
187  flags(sub_layer_max_8bit_constraint_flag[i], 1, i);
188  flags(sub_layer_max_422chroma_constraint_flag[i], 1, i);
189  flags(sub_layer_max_420chroma_constraint_flag[i], 1, i);
190  flags(sub_layer_max_monochrome_constraint_flag[i], 1, i);
191  flags(sub_layer_intra_constraint_flag[i], 1, i);
192  flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
193  flags(sub_layer_lower_bit_rate_constraint_flag[i], 1, i);
194 
195  if (profile_compatible(5)) {
196  flags(sub_layer_max_14bit_constraint_flag[i], 1, i);
197  fixed(24, sub_layer_reserved_zero_33bits, 0);
198  fixed( 9, sub_layer_reserved_zero_33bits, 0);
199  } else {
200  fixed(24, sub_layer_reserved_zero_34bits, 0);
201  fixed(10, sub_layer_reserved_zero_34bits, 0);
202  }
203  } else if (profile_compatible(2)) {
204  fixed(7, sub_layer_reserved_zero_7bits, 0);
205  flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
206  fixed(24, sub_layer_reserved_zero_43bits, 0);
207  fixed(11, sub_layer_reserved_zero_43bits, 0);
208  } else {
209  fixed(24, sub_layer_reserved_zero_43bits, 0);
210  fixed(19, sub_layer_reserved_zero_43bits, 0);
211  }
212 
213  if (profile_compatible(1) || profile_compatible(2) ||
216  flags(sub_layer_inbld_flag[i], 1, i);
217  } else {
218  fixed(1, sub_layer_reserved_zero_bit, 0);
219  }
220 #undef profile_compatible
221  }
222  if (current->sub_layer_level_present_flag[i])
223  ubs(8, sub_layer_level_idc[i], 1, i);
224  }
225 
226  return 0;
227 }
228 
231  int nal, int sub_layer_id)
232 {
234  int err, i;
235 
236  if (nal)
237  current = &hrd->nal_sub_layer_hrd_parameters[sub_layer_id];
238  else
239  current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id];
240 
241  for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) {
242  ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
243  ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
244  if (hrd->sub_pic_hrd_params_present_flag) {
245  ues(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
246  ues(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
247  }
248  flags(cbr_flag[i], 1, i);
249  }
250 
251  return 0;
252 }
253 
255  H265RawHRDParameters *current, int common_inf_present_flag,
256  int max_num_sub_layers_minus1)
257 {
258  int err, i;
259 
260  if (common_inf_present_flag) {
261  flag(nal_hrd_parameters_present_flag);
262  flag(vcl_hrd_parameters_present_flag);
263 
264  if (current->nal_hrd_parameters_present_flag ||
265  current->vcl_hrd_parameters_present_flag) {
266  flag(sub_pic_hrd_params_present_flag);
267  if (current->sub_pic_hrd_params_present_flag) {
268  ub(8, tick_divisor_minus2);
269  ub(5, du_cpb_removal_delay_increment_length_minus1);
270  flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
271  ub(5, dpb_output_delay_du_length_minus1);
272  }
273 
274  ub(4, bit_rate_scale);
275  ub(4, cpb_size_scale);
276  if (current->sub_pic_hrd_params_present_flag)
277  ub(4, cpb_size_du_scale);
278 
279  ub(5, initial_cpb_removal_delay_length_minus1);
280  ub(5, au_cpb_removal_delay_length_minus1);
281  ub(5, dpb_output_delay_length_minus1);
282  } else {
283  infer(sub_pic_hrd_params_present_flag, 0);
284 
285  infer(initial_cpb_removal_delay_length_minus1, 23);
286  infer(au_cpb_removal_delay_length_minus1, 23);
287  infer(dpb_output_delay_length_minus1, 23);
288  }
289  }
290 
291  for (i = 0; i <= max_num_sub_layers_minus1; i++) {
292  flags(fixed_pic_rate_general_flag[i], 1, i);
293 
294  if (!current->fixed_pic_rate_general_flag[i])
295  flags(fixed_pic_rate_within_cvs_flag[i], 1, i);
296  else
297  infer(fixed_pic_rate_within_cvs_flag[i], 1);
298 
299  if (current->fixed_pic_rate_within_cvs_flag[i]) {
300  ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i);
301  infer(low_delay_hrd_flag[i], 0);
302  } else
303  flags(low_delay_hrd_flag[i], 1, i);
304 
305  if (!current->low_delay_hrd_flag[i])
306  ues(cpb_cnt_minus1[i], 0, 31, 1, i);
307  else
308  infer(cpb_cnt_minus1[i], 0);
309 
310  if (current->nal_hrd_parameters_present_flag)
311  CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 0, i));
312  if (current->vcl_hrd_parameters_present_flag)
313  CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 1, i));
314  }
315 
316  return 0;
317 }
318 
320  H265RawVUI *current, const H265RawSPS *sps)
321 {
322  int err;
323 
324  flag(aspect_ratio_info_present_flag);
325  if (current->aspect_ratio_info_present_flag) {
326  ub(8, aspect_ratio_idc);
327  if (current->aspect_ratio_idc == 255) {
328  ub(16, sar_width);
329  ub(16, sar_height);
330  }
331  } else {
332  infer(aspect_ratio_idc, 0);
333  }
334 
335  flag(overscan_info_present_flag);
336  if (current->overscan_info_present_flag)
337  flag(overscan_appropriate_flag);
338 
339  flag(video_signal_type_present_flag);
340  if (current->video_signal_type_present_flag) {
341  ub(3, video_format);
342  flag(video_full_range_flag);
343  flag(colour_description_present_flag);
344  if (current->colour_description_present_flag) {
345  ub(8, colour_primaries);
347  ub(8, matrix_coefficients);
348  } else {
349  infer(colour_primaries, 2);
351  infer(matrix_coefficients, 2);
352  }
353  } else {
354  infer(video_format, 5);
355  infer(video_full_range_flag, 0);
356  infer(colour_primaries, 2);
358  infer(matrix_coefficients, 2);
359  }
360 
361  flag(chroma_loc_info_present_flag);
362  if (current->chroma_loc_info_present_flag) {
363  ue(chroma_sample_loc_type_top_field, 0, 5);
364  ue(chroma_sample_loc_type_bottom_field, 0, 5);
365  } else {
366  infer(chroma_sample_loc_type_top_field, 0);
367  infer(chroma_sample_loc_type_bottom_field, 0);
368  }
369 
370  flag(neutral_chroma_indication_flag);
371  flag(field_seq_flag);
372  flag(frame_field_info_present_flag);
373 
374  flag(default_display_window_flag);
375  if (current->default_display_window_flag) {
376  ue(def_disp_win_left_offset, 0, 16384);
377  ue(def_disp_win_right_offset, 0, 16384);
378  ue(def_disp_win_top_offset, 0, 16384);
379  ue(def_disp_win_bottom_offset, 0, 16384);
380  }
381 
382  flag(vui_timing_info_present_flag);
383  if (current->vui_timing_info_present_flag) {
384  u(32, vui_num_units_in_tick, 1, UINT32_MAX);
385  u(32, vui_time_scale, 1, UINT32_MAX);
386  flag(vui_poc_proportional_to_timing_flag);
387  if (current->vui_poc_proportional_to_timing_flag)
388  ue(vui_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
389 
390  flag(vui_hrd_parameters_present_flag);
391  if (current->vui_hrd_parameters_present_flag) {
392  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters,
393  1, sps->sps_max_sub_layers_minus1));
394  }
395  }
396 
397  flag(bitstream_restriction_flag);
398  if (current->bitstream_restriction_flag) {
399  flag(tiles_fixed_structure_flag);
400  flag(motion_vectors_over_pic_boundaries_flag);
401  flag(restricted_ref_pic_lists_flag);
402  ue(min_spatial_segmentation_idc, 0, 4095);
403  ue(max_bytes_per_pic_denom, 0, 16);
404  ue(max_bits_per_min_cu_denom, 0, 16);
405  ue(log2_max_mv_length_horizontal, 0, 16);
406  ue(log2_max_mv_length_vertical, 0, 16);
407  } else {
408  infer(tiles_fixed_structure_flag, 0);
409  infer(motion_vectors_over_pic_boundaries_flag, 1);
410  infer(min_spatial_segmentation_idc, 0);
411  infer(max_bytes_per_pic_denom, 2);
412  infer(max_bits_per_min_cu_denom, 1);
413  infer(log2_max_mv_length_horizontal, 15);
414  infer(log2_max_mv_length_vertical, 15);
415  }
416 
417  return 0;
418 }
419 
421  H265RawVPS *current)
422 {
423  int err, i, j;
424 
425  HEADER("Video Parameter Set");
426 
427  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_VPS));
428 
429  ub(4, vps_video_parameter_set_id);
430 
431  flag(vps_base_layer_internal_flag);
432  flag(vps_base_layer_available_flag);
433  u(6, vps_max_layers_minus1, 0, HEVC_MAX_LAYERS - 1);
434  u(3, vps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
435  flag(vps_temporal_id_nesting_flag);
436 
437  if (current->vps_max_sub_layers_minus1 == 0 &&
438  current->vps_temporal_id_nesting_flag != 1) {
439  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
440  "vps_temporal_id_nesting_flag must be 1 if "
441  "vps_max_sub_layers_minus1 is 0.\n");
442  return AVERROR_INVALIDDATA;
443  }
444 
445  fixed(16, vps_reserved_0xffff_16bits, 0xffff);
446 
447  CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
448  1, current->vps_max_sub_layers_minus1));
449 
450  flag(vps_sub_layer_ordering_info_present_flag);
451  for (i = (current->vps_sub_layer_ordering_info_present_flag ?
452  0 : current->vps_max_sub_layers_minus1);
453  i <= current->vps_max_sub_layers_minus1; i++) {
454  ues(vps_max_dec_pic_buffering_minus1[i],
455  0, HEVC_MAX_DPB_SIZE - 1, 1, i);
456  ues(vps_max_num_reorder_pics[i],
457  0, current->vps_max_dec_pic_buffering_minus1[i], 1, i);
458  ues(vps_max_latency_increase_plus1[i],
459  0, UINT32_MAX - 1, 1, i);
460  }
461  if (!current->vps_sub_layer_ordering_info_present_flag) {
462  for (i = 0; i < current->vps_max_sub_layers_minus1; i++) {
463  infer(vps_max_dec_pic_buffering_minus1[i],
464  current->vps_max_dec_pic_buffering_minus1[current->vps_max_sub_layers_minus1]);
465  infer(vps_max_num_reorder_pics[i],
466  current->vps_max_num_reorder_pics[current->vps_max_sub_layers_minus1]);
467  infer(vps_max_latency_increase_plus1[i],
468  current->vps_max_latency_increase_plus1[current->vps_max_sub_layers_minus1]);
469  }
470  }
471 
472  u(6, vps_max_layer_id, 0, HEVC_MAX_LAYERS - 1);
473  ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1);
474  for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) {
475  for (j = 0; j <= current->vps_max_layer_id; j++)
476  flags(layer_id_included_flag[i][j], 2, i, j);
477  }
478  for (j = 0; j <= current->vps_max_layer_id; j++)
479  infer(layer_id_included_flag[0][j], j == 0);
480 
481  flag(vps_timing_info_present_flag);
482  if (current->vps_timing_info_present_flag) {
483  u(32, vps_num_units_in_tick, 1, UINT32_MAX);
484  u(32, vps_time_scale, 1, UINT32_MAX);
485  flag(vps_poc_proportional_to_timing_flag);
486  if (current->vps_poc_proportional_to_timing_flag)
487  ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
488  ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1);
489  for (i = 0; i < current->vps_num_hrd_parameters; i++) {
490  ues(hrd_layer_set_idx[i],
491  current->vps_base_layer_internal_flag ? 0 : 1,
492  current->vps_num_layer_sets_minus1, 1, i);
493  if (i > 0)
494  flags(cprms_present_flag[i], 1, i);
495  else
496  infer(cprms_present_flag[0], 1);
497 
498  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters[i],
499  current->cprms_present_flag[i],
500  current->vps_max_sub_layers_minus1));
501  }
502  }
503 
504  flag(vps_extension_flag);
505  if (current->vps_extension_flag)
506  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
507 
509 
510  return 0;
511 }
512 
514  H265RawSTRefPicSet *current, int st_rps_idx,
515  const H265RawSPS *sps)
516 {
517  int err, i, j;
518 
519  if (st_rps_idx != 0)
520  flag(inter_ref_pic_set_prediction_flag);
521  else
522  infer(inter_ref_pic_set_prediction_flag, 0);
523 
524  if (current->inter_ref_pic_set_prediction_flag) {
525  unsigned int ref_rps_idx, num_delta_pocs;
526  const H265RawSTRefPicSet *ref;
527  int delta_rps, d_poc;
528  int ref_delta_poc_s0[HEVC_MAX_REFS], ref_delta_poc_s1[HEVC_MAX_REFS];
529  int delta_poc_s0[HEVC_MAX_REFS], delta_poc_s1[HEVC_MAX_REFS];
530  uint8_t used_by_curr_pic_s0[HEVC_MAX_REFS],
531  used_by_curr_pic_s1[HEVC_MAX_REFS];
532 
533  if (st_rps_idx == sps->num_short_term_ref_pic_sets)
534  ue(delta_idx_minus1, 0, st_rps_idx - 1);
535  else
536  infer(delta_idx_minus1, 0);
537 
538  ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
539  ref = &sps->st_ref_pic_set[ref_rps_idx];
540  num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
541 
542  flag(delta_rps_sign);
543  ue(abs_delta_rps_minus1, 0, INT16_MAX);
544  delta_rps = (1 - 2 * current->delta_rps_sign) *
545  (current->abs_delta_rps_minus1 + 1);
546 
547  for (j = 0; j <= num_delta_pocs; j++) {
548  flags(used_by_curr_pic_flag[j], 1, j);
549  if (!current->used_by_curr_pic_flag[j])
550  flags(use_delta_flag[j], 1, j);
551  else
552  infer(use_delta_flag[j], 1);
553  }
554 
555  // Since the stored form of an RPS here is actually the delta-step
556  // form used when inter_ref_pic_set_prediction_flag is not set, we
557  // need to reconstruct that here in order to be able to refer to
558  // the RPS later (which is required for parsing, because we don't
559  // even know what syntax elements appear without it). Therefore,
560  // this code takes the delta-step form of the reference set, turns
561  // it into the delta-array form, applies the prediction process of
562  // 7.4.8, converts the result back to the delta-step form, and
563  // stores that as the current set for future use. Note that the
564  // inferences here mean that writers using prediction will need
565  // to fill in the delta-step values correctly as well - since the
566  // whole RPS prediction process is somewhat overly sophisticated,
567  // this hopefully forms a useful check for them to ensure their
568  // predicted form actually matches what was intended rather than
569  // an onerous additional requirement.
570 
571  d_poc = 0;
572  for (i = 0; i < ref->num_negative_pics; i++) {
573  d_poc -= ref->delta_poc_s0_minus1[i] + 1;
574  ref_delta_poc_s0[i] = d_poc;
575  }
576  d_poc = 0;
577  for (i = 0; i < ref->num_positive_pics; i++) {
578  d_poc += ref->delta_poc_s1_minus1[i] + 1;
579  ref_delta_poc_s1[i] = d_poc;
580  }
581 
582  i = 0;
583  for (j = ref->num_positive_pics - 1; j >= 0; j--) {
584  d_poc = ref_delta_poc_s1[j] + delta_rps;
585  if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
586  delta_poc_s0[i] = d_poc;
587  used_by_curr_pic_s0[i++] =
588  current->used_by_curr_pic_flag[ref->num_negative_pics + j];
589  }
590  }
591  if (delta_rps < 0 && current->use_delta_flag[num_delta_pocs]) {
592  delta_poc_s0[i] = delta_rps;
593  used_by_curr_pic_s0[i++] =
594  current->used_by_curr_pic_flag[num_delta_pocs];
595  }
596  for (j = 0; j < ref->num_negative_pics; j++) {
597  d_poc = ref_delta_poc_s0[j] + delta_rps;
598  if (d_poc < 0 && current->use_delta_flag[j]) {
599  delta_poc_s0[i] = d_poc;
600  used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
601  }
602  }
603 
604  if (i > 15)
605  return AVERROR_INVALIDDATA;
606  infer(num_negative_pics, i);
607  for (i = 0; i < current->num_negative_pics; i++) {
608  infer(delta_poc_s0_minus1[i],
609  -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
610  infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
611  }
612 
613  i = 0;
614  for (j = ref->num_negative_pics - 1; j >= 0; j--) {
615  d_poc = ref_delta_poc_s0[j] + delta_rps;
616  if (d_poc > 0 && current->use_delta_flag[j]) {
617  delta_poc_s1[i] = d_poc;
618  used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
619  }
620  }
621  if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
622  delta_poc_s1[i] = delta_rps;
623  used_by_curr_pic_s1[i++] =
624  current->used_by_curr_pic_flag[num_delta_pocs];
625  }
626  for (j = 0; j < ref->num_positive_pics; j++) {
627  d_poc = ref_delta_poc_s1[j] + delta_rps;
628  if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
629  delta_poc_s1[i] = d_poc;
630  used_by_curr_pic_s1[i++] =
631  current->used_by_curr_pic_flag[ref->num_negative_pics + j];
632  }
633  }
634 
635  if (i + current->num_negative_pics > 15)
636  return AVERROR_INVALIDDATA;
637  infer(num_positive_pics, i);
638  for (i = 0; i < current->num_positive_pics; i++) {
639  infer(delta_poc_s1_minus1[i],
640  delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
641  infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
642  }
643 
644  } else {
645  ue(num_negative_pics, 0, 15);
646  ue(num_positive_pics, 0, 15 - current->num_negative_pics);
647 
648  for (i = 0; i < current->num_negative_pics; i++) {
649  ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
650  flags(used_by_curr_pic_s0_flag[i], 1, i);
651  }
652 
653  for (i = 0; i < current->num_positive_pics; i++) {
654  ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i);
655  flags(used_by_curr_pic_s1_flag[i], 1, i);
656  }
657  }
658 
659  return 0;
660 }
661 
663  H265RawScalingList *current)
664 {
665  int sizeId, matrixId;
666  int err, n, i;
667 
668  for (sizeId = 0; sizeId < 4; sizeId++) {
669  for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
670  flags(scaling_list_pred_mode_flag[sizeId][matrixId],
671  2, sizeId, matrixId);
672  if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
673  ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
674  0, sizeId == 3 ? matrixId / 3 : matrixId,
675  2, sizeId, matrixId);
676  } else {
677  n = FFMIN(64, 1 << (4 + (sizeId << 1)));
678  if (sizeId > 1) {
679  ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247,
680  2, sizeId - 2, matrixId);
681  }
682  for (i = 0; i < n; i++) {
683  ses(scaling_list_delta_coeff[sizeId][matrixId][i],
684  -128, +127, 3, sizeId, matrixId, i);
685  }
686  }
687  }
688  }
689 
690  return 0;
691 }
692 
694  H265RawSPS *current)
695 {
696  int err;
697 
698  flag(transform_skip_rotation_enabled_flag);
699  flag(transform_skip_context_enabled_flag);
700  flag(implicit_rdpcm_enabled_flag);
701  flag(explicit_rdpcm_enabled_flag);
702  flag(extended_precision_processing_flag);
703  flag(intra_smoothing_disabled_flag);
704  flag(high_precision_offsets_enabled_flag);
705  flag(persistent_rice_adaptation_enabled_flag);
706  flag(cabac_bypass_alignment_enabled_flag);
707 
708  return 0;
709 }
710 
712  H265RawSPS *current)
713 {
714  int err, comp, i;
715 
716  flag(sps_curr_pic_ref_enabled_flag);
717 
718  flag(palette_mode_enabled_flag);
719  if (current->palette_mode_enabled_flag) {
720  ue(palette_max_size, 0, 64);
721  ue(delta_palette_max_predictor_size, 0, 128);
722 
723  flag(sps_palette_predictor_initializer_present_flag);
724  if (current->sps_palette_predictor_initializer_present_flag) {
725  ue(sps_num_palette_predictor_initializer_minus1, 0, 128);
726  for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
727  int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
728  : current->bit_depth_chroma_minus8 + 8;
729  for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
730  ubs(bit_depth, sps_palette_predictor_initializers[comp][i], 2, comp, i);
731  }
732  }
733  }
734 
735  u(2, motion_vector_resolution_control_idc, 0, 2);
736  flag(intra_boundary_filtering_disable_flag);
737 
738  return 0;
739 }
740 
742  H265RawSPS *current)
743 {
745  const H265RawVPS *vps;
746  int err, i;
747  unsigned int min_cb_log2_size_y, ctb_log2_size_y,
748  min_cb_size_y, min_tb_log2_size_y;
749 
750  HEADER("Sequence Parameter Set");
751 
752  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
753 
754  ub(4, sps_video_parameter_set_id);
755  h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
756 
757  u(3, sps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
758  flag(sps_temporal_id_nesting_flag);
759  if (vps) {
760  if (vps->vps_max_sub_layers_minus1 > current->sps_max_sub_layers_minus1) {
761  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
762  "sps_max_sub_layers_minus1 (%d) must be less than or equal to "
763  "vps_max_sub_layers_minus1 (%d).\n",
765  current->sps_max_sub_layers_minus1);
766  return AVERROR_INVALIDDATA;
767  }
768  if (vps->vps_temporal_id_nesting_flag &&
769  !current->sps_temporal_id_nesting_flag) {
770  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
771  "sps_temporal_id_nesting_flag must be 1 if "
772  "vps_temporal_id_nesting_flag is 1.\n");
773  return AVERROR_INVALIDDATA;
774  }
775  }
776 
777  CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
778  1, current->sps_max_sub_layers_minus1));
779 
780  ue(sps_seq_parameter_set_id, 0, 15);
781 
782  ue(chroma_format_idc, 0, 3);
783  if (current->chroma_format_idc == 3)
784  flag(separate_colour_plane_flag);
785  else
786  infer(separate_colour_plane_flag, 0);
787 
788  ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
789  ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
790 
791  flag(conformance_window_flag);
792  if (current->conformance_window_flag) {
793  ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
794  ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
795  ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
796  ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
797  } else {
798  infer(conf_win_left_offset, 0);
799  infer(conf_win_right_offset, 0);
800  infer(conf_win_top_offset, 0);
801  infer(conf_win_bottom_offset, 0);
802  }
803 
804  ue(bit_depth_luma_minus8, 0, 8);
805  ue(bit_depth_chroma_minus8, 0, 8);
806 
807  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
808 
809  flag(sps_sub_layer_ordering_info_present_flag);
810  for (i = (current->sps_sub_layer_ordering_info_present_flag ?
811  0 : current->sps_max_sub_layers_minus1);
812  i <= current->sps_max_sub_layers_minus1; i++) {
813  ues(sps_max_dec_pic_buffering_minus1[i],
814  0, HEVC_MAX_DPB_SIZE - 1, 1, i);
815  ues(sps_max_num_reorder_pics[i],
816  0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
817  ues(sps_max_latency_increase_plus1[i],
818  0, UINT32_MAX - 1, 1, i);
819  }
820  if (!current->sps_sub_layer_ordering_info_present_flag) {
821  for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
822  infer(sps_max_dec_pic_buffering_minus1[i],
823  current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
824  infer(sps_max_num_reorder_pics[i],
825  current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
826  infer(sps_max_latency_increase_plus1[i],
827  current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
828  }
829  }
830 
831  ue(log2_min_luma_coding_block_size_minus3, 0, 3);
832  min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
833 
834  ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
835  ctb_log2_size_y = min_cb_log2_size_y +
836  current->log2_diff_max_min_luma_coding_block_size;
837 
838  min_cb_size_y = 1 << min_cb_log2_size_y;
839  if (current->pic_width_in_luma_samples % min_cb_size_y ||
840  current->pic_height_in_luma_samples % min_cb_size_y) {
841  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
842  "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
843  current->pic_height_in_luma_samples, min_cb_size_y);
844  return AVERROR_INVALIDDATA;
845  }
846 
847  ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
848  min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
849 
850  ue(log2_diff_max_min_luma_transform_block_size,
851  0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
852 
853  ue(max_transform_hierarchy_depth_inter,
854  0, ctb_log2_size_y - min_tb_log2_size_y);
855  ue(max_transform_hierarchy_depth_intra,
856  0, ctb_log2_size_y - min_tb_log2_size_y);
857 
858  flag(scaling_list_enabled_flag);
859  if (current->scaling_list_enabled_flag) {
860  flag(sps_scaling_list_data_present_flag);
861  if (current->sps_scaling_list_data_present_flag)
862  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
863  } else {
864  infer(sps_scaling_list_data_present_flag, 0);
865  }
866 
867  flag(amp_enabled_flag);
868  flag(sample_adaptive_offset_enabled_flag);
869 
870  flag(pcm_enabled_flag);
871  if (current->pcm_enabled_flag) {
872  u(4, pcm_sample_bit_depth_luma_minus1,
873  0, current->bit_depth_luma_minus8 + 8 - 1);
874  u(4, pcm_sample_bit_depth_chroma_minus1,
875  0, current->bit_depth_chroma_minus8 + 8 - 1);
876 
877  ue(log2_min_pcm_luma_coding_block_size_minus3,
878  FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
879  ue(log2_diff_max_min_pcm_luma_coding_block_size,
880  0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
881 
882  flag(pcm_loop_filter_disabled_flag);
883  }
884 
885  ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
886  for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
887  CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
888 
889  flag(long_term_ref_pics_present_flag);
890  if (current->long_term_ref_pics_present_flag) {
891  ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
892  for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
893  ubs(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
894  lt_ref_pic_poc_lsb_sps[i], 1, i);
895  flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
896  }
897  }
898 
899  flag(sps_temporal_mvp_enabled_flag);
900  flag(strong_intra_smoothing_enabled_flag);
901 
902  flag(vui_parameters_present_flag);
903  if (current->vui_parameters_present_flag)
904  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
905 
906  flag(sps_extension_present_flag);
907  if (current->sps_extension_present_flag) {
908  flag(sps_range_extension_flag);
909  flag(sps_multilayer_extension_flag);
910  flag(sps_3d_extension_flag);
911  flag(sps_scc_extension_flag);
912  ub(4, sps_extension_4bits);
913  }
914 
915  if (current->sps_range_extension_flag)
916  CHECK(FUNC(sps_range_extension)(ctx, rw, current));
917  if (current->sps_multilayer_extension_flag)
918  return AVERROR_PATCHWELCOME;
919  if (current->sps_3d_extension_flag)
920  return AVERROR_PATCHWELCOME;
921  if (current->sps_scc_extension_flag)
922  CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
923  if (current->sps_extension_4bits)
924  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
925 
927 
928  return 0;
929 }
930 
932  H265RawPPS *current)
933 {
935  const H265RawSPS *sps = h265->active_sps;
936  int err, i;
937 
938  if (current->transform_skip_enabled_flag)
939  ue(log2_max_transform_skip_block_size_minus2, 0, 3);
940  flag(cross_component_prediction_enabled_flag);
941 
942  flag(chroma_qp_offset_list_enabled_flag);
943  if (current->chroma_qp_offset_list_enabled_flag) {
944  ue(diff_cu_chroma_qp_offset_depth,
946  ue(chroma_qp_offset_list_len_minus1, 0, 5);
947  for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
948  ses(cb_qp_offset_list[i], -12, +12, 1, i);
949  ses(cr_qp_offset_list[i], -12, +12, 1, i);
950  }
951  }
952 
953  ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
954  ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
955 
956  return 0;
957 }
958 
960  H265RawPPS *current)
961 {
962  int err, comp, i;
963 
964  flag(pps_curr_pic_ref_enabled_flag);
965 
966  flag(residual_adaptive_colour_transform_enabled_flag);
967  if (current->residual_adaptive_colour_transform_enabled_flag) {
968  flag(pps_slice_act_qp_offsets_present_flag);
969  se(pps_act_y_qp_offset_plus5, -7, +17);
970  se(pps_act_cb_qp_offset_plus5, -7, +17);
971  se(pps_act_cr_qp_offset_plus3, -9, +15);
972  } else {
973  infer(pps_slice_act_qp_offsets_present_flag, 0);
974  infer(pps_act_y_qp_offset_plus5, 0);
975  infer(pps_act_cb_qp_offset_plus5, 0);
976  infer(pps_act_cr_qp_offset_plus3, 0);
977  }
978 
979  flag(pps_palette_predictor_initializer_present_flag);
980  if (current->pps_palette_predictor_initializer_present_flag) {
981  ue(pps_num_palette_predictor_initializer, 0, 128);
982  if (current->pps_num_palette_predictor_initializer > 0) {
983  flag(monochrome_palette_flag);
984  ue(luma_bit_depth_entry_minus8, 0, 8);
985  if (!current->monochrome_palette_flag)
986  ue(chroma_bit_depth_entry_minus8, 0, 8);
987  for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
988  int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
989  : current->chroma_bit_depth_entry_minus8 + 8;
990  for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
991  ubs(bit_depth, pps_palette_predictor_initializers[comp][i], 2, comp, i);
992  }
993  }
994  }
995 
996  return 0;
997 }
998 
1000  H265RawPPS *current)
1001 {
1003  const H265RawSPS *sps;
1004  int err, i;
1005 
1006  HEADER("Picture Parameter Set");
1007 
1008  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
1009 
1010  ue(pps_pic_parameter_set_id, 0, 63);
1011  ue(pps_seq_parameter_set_id, 0, 15);
1012  sps = h265->sps[current->pps_seq_parameter_set_id];
1013  if (!sps) {
1014  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1015  current->pps_seq_parameter_set_id);
1016  return AVERROR_INVALIDDATA;
1017  }
1018  h265->active_sps = sps;
1019 
1020  flag(dependent_slice_segments_enabled_flag);
1021  flag(output_flag_present_flag);
1022  ub(3, num_extra_slice_header_bits);
1023  flag(sign_data_hiding_enabled_flag);
1024  flag(cabac_init_present_flag);
1025 
1026  ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1027  ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1028 
1029  se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
1030 
1031  flag(constrained_intra_pred_flag);
1032  flag(transform_skip_enabled_flag);
1033  flag(cu_qp_delta_enabled_flag);
1034  if (current->cu_qp_delta_enabled_flag)
1035  ue(diff_cu_qp_delta_depth,
1037  else
1038  infer(diff_cu_qp_delta_depth, 0);
1039 
1040  se(pps_cb_qp_offset, -12, +12);
1041  se(pps_cr_qp_offset, -12, +12);
1042  flag(pps_slice_chroma_qp_offsets_present_flag);
1043 
1044  flag(weighted_pred_flag);
1045  flag(weighted_bipred_flag);
1046 
1047  flag(transquant_bypass_enabled_flag);
1048  flag(tiles_enabled_flag);
1049  flag(entropy_coding_sync_enabled_flag);
1050 
1051  if (current->tiles_enabled_flag) {
1052  ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
1053  ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
1054  flag(uniform_spacing_flag);
1055  if (!current->uniform_spacing_flag) {
1056  for (i = 0; i < current->num_tile_columns_minus1; i++)
1057  ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i);
1058  for (i = 0; i < current->num_tile_rows_minus1; i++)
1059  ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i);
1060  }
1061  flag(loop_filter_across_tiles_enabled_flag);
1062  } else {
1063  infer(num_tile_columns_minus1, 0);
1064  infer(num_tile_rows_minus1, 0);
1065  }
1066 
1067  flag(pps_loop_filter_across_slices_enabled_flag);
1068  flag(deblocking_filter_control_present_flag);
1069  if (current->deblocking_filter_control_present_flag) {
1070  flag(deblocking_filter_override_enabled_flag);
1071  flag(pps_deblocking_filter_disabled_flag);
1072  if (!current->pps_deblocking_filter_disabled_flag) {
1073  se(pps_beta_offset_div2, -6, +6);
1074  se(pps_tc_offset_div2, -6, +6);
1075  } else {
1076  infer(pps_beta_offset_div2, 0);
1077  infer(pps_tc_offset_div2, 0);
1078  }
1079  } else {
1080  infer(deblocking_filter_override_enabled_flag, 0);
1081  infer(pps_deblocking_filter_disabled_flag, 0);
1082  infer(pps_beta_offset_div2, 0);
1083  infer(pps_tc_offset_div2, 0);
1084  }
1085 
1086  flag(pps_scaling_list_data_present_flag);
1087  if (current->pps_scaling_list_data_present_flag)
1088  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1089 
1090  flag(lists_modification_present_flag);
1091 
1092  ue(log2_parallel_merge_level_minus2,
1095 
1096  flag(slice_segment_header_extension_present_flag);
1097 
1098  flag(pps_extension_present_flag);
1099  if (current->pps_extension_present_flag) {
1100  flag(pps_range_extension_flag);
1101  flag(pps_multilayer_extension_flag);
1102  flag(pps_3d_extension_flag);
1103  flag(pps_scc_extension_flag);
1104  ub(4, pps_extension_4bits);
1105  }
1106  if (current->pps_range_extension_flag)
1107  CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1108  if (current->pps_multilayer_extension_flag)
1109  return AVERROR_PATCHWELCOME;
1110  if (current->pps_3d_extension_flag)
1111  return AVERROR_PATCHWELCOME;
1112  if (current->pps_scc_extension_flag)
1113  CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1114  if (current->pps_extension_4bits)
1115  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1116 
1118 
1119  return 0;
1120 }
1121 
1123  H265RawAUD *current)
1124 {
1125  int err;
1126 
1127  HEADER("Access Unit Delimiter");
1128 
1129  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1130 
1131  u(3, pic_type, 0, 2);
1132 
1134 
1135  return 0;
1136 }
1137 
1139  H265RawSliceHeader *current,
1140  unsigned int num_pic_total_curr)
1141 {
1142  unsigned int entry_size;
1143  int err, i;
1144 
1145  entry_size = av_log2(num_pic_total_curr - 1) + 1;
1146 
1147  flag(ref_pic_list_modification_flag_l0);
1148  if (current->ref_pic_list_modification_flag_l0) {
1149  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1150  us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1151  }
1152 
1153  if (current->slice_type == HEVC_SLICE_B) {
1154  flag(ref_pic_list_modification_flag_l1);
1155  if (current->ref_pic_list_modification_flag_l1) {
1156  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1157  us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1158  }
1159  }
1160 
1161  return 0;
1162 }
1163 
1165  H265RawSliceHeader *current)
1166 {
1168  const H265RawSPS *sps = h265->active_sps;
1169  int err, i, j;
1170  int chroma = !sps->separate_colour_plane_flag &&
1171  sps->chroma_format_idc != 0;
1172 
1173  ue(luma_log2_weight_denom, 0, 7);
1174  if (chroma)
1175  se(delta_chroma_log2_weight_denom, -7, 7);
1176  else
1177  infer(delta_chroma_log2_weight_denom, 0);
1178 
1179  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1180  if (1 /* is not same POC and same layer_id */)
1181  flags(luma_weight_l0_flag[i], 1, i);
1182  else
1183  infer(luma_weight_l0_flag[i], 0);
1184  }
1185  if (chroma) {
1186  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1187  if (1 /* is not same POC and same layer_id */)
1188  flags(chroma_weight_l0_flag[i], 1, i);
1189  else
1190  infer(chroma_weight_l0_flag[i], 0);
1191  }
1192  }
1193 
1194  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1195  if (current->luma_weight_l0_flag[i]) {
1196  ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1197  ses(luma_offset_l0[i],
1198  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1199  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1200  } else {
1201  infer(delta_luma_weight_l0[i], 0);
1202  infer(luma_offset_l0[i], 0);
1203  }
1204  if (current->chroma_weight_l0_flag[i]) {
1205  for (j = 0; j < 2; j++) {
1206  ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1207  ses(chroma_offset_l0[i][j],
1208  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1209  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1210  }
1211  } else {
1212  for (j = 0; j < 2; j++) {
1213  infer(delta_chroma_weight_l0[i][j], 0);
1214  infer(chroma_offset_l0[i][j], 0);
1215  }
1216  }
1217  }
1218 
1219  if (current->slice_type == HEVC_SLICE_B) {
1220  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1221  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1222  flags(luma_weight_l1_flag[i], 1, i);
1223  else
1224  infer(luma_weight_l1_flag[i], 0);
1225  }
1226  if (chroma) {
1227  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1228  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1229  flags(chroma_weight_l1_flag[i], 1, i);
1230  else
1231  infer(chroma_weight_l1_flag[i], 0);
1232  }
1233  }
1234 
1235  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1236  if (current->luma_weight_l1_flag[i]) {
1237  ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1238  ses(luma_offset_l1[i],
1239  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1240  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1241  } else {
1242  infer(delta_luma_weight_l1[i], 0);
1243  infer(luma_offset_l1[i], 0);
1244  }
1245  if (current->chroma_weight_l1_flag[i]) {
1246  for (j = 0; j < 2; j++) {
1247  ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1248  ses(chroma_offset_l1[i][j],
1249  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1250  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1251  }
1252  } else {
1253  for (j = 0; j < 2; j++) {
1254  infer(delta_chroma_weight_l1[i][j], 0);
1255  infer(chroma_offset_l1[i][j], 0);
1256  }
1257  }
1258  }
1259  }
1260 
1261  return 0;
1262 }
1263 
1265  H265RawSliceHeader *current)
1266 {
1268  const H265RawSPS *sps;
1269  const H265RawPPS *pps;
1270  unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1271  unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1272  unsigned int num_pic_total_curr = 0;
1273  int err, i;
1274 
1275  HEADER("Slice Segment Header");
1276 
1277  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1278 
1279  flag(first_slice_segment_in_pic_flag);
1280 
1281  if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1282  current->nal_unit_header.nal_unit_type <= HEVC_NAL_IRAP_VCL23)
1283  flag(no_output_of_prior_pics_flag);
1284 
1285  ue(slice_pic_parameter_set_id, 0, 63);
1286 
1287  pps = h265->pps[current->slice_pic_parameter_set_id];
1288  if (!pps) {
1289  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1290  current->slice_pic_parameter_set_id);
1291  return AVERROR_INVALIDDATA;
1292  }
1293  h265->active_pps = pps;
1294 
1295  sps = h265->sps[pps->pps_seq_parameter_set_id];
1296  if (!sps) {
1297  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1299  return AVERROR_INVALIDDATA;
1300  }
1301  h265->active_sps = sps;
1302 
1303  min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1304  ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1305  ctb_size_y = 1 << ctb_log2_size_y;
1306  pic_width_in_ctbs_y =
1307  (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1308  pic_height_in_ctbs_y =
1309  (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1310  pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1311 
1312  if (!current->first_slice_segment_in_pic_flag) {
1313  unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1315  flag(dependent_slice_segment_flag);
1316  else
1317  infer(dependent_slice_segment_flag, 0);
1318  u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1319  } else {
1320  infer(dependent_slice_segment_flag, 0);
1321  }
1322 
1323  if (!current->dependent_slice_segment_flag) {
1324  for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1325  flags(slice_reserved_flag[i], 1, i);
1326 
1327  ue(slice_type, 0, 2);
1328 
1329  if (pps->output_flag_present_flag)
1330  flag(pic_output_flag);
1331 
1332  if (sps->separate_colour_plane_flag)
1333  u(2, colour_plane_id, 0, 2);
1334 
1335  if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1336  current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1337  const H265RawSTRefPicSet *rps;
1338 
1339  ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb);
1340 
1341  flag(short_term_ref_pic_set_sps_flag);
1342  if (!current->short_term_ref_pic_set_sps_flag) {
1343  CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->short_term_ref_pic_set,
1344  sps->num_short_term_ref_pic_sets, sps));
1345  rps = &current->short_term_ref_pic_set;
1346  } else if (sps->num_short_term_ref_pic_sets > 1) {
1347  unsigned int idx_size = av_log2(sps->num_short_term_ref_pic_sets - 1) + 1;
1348  u(idx_size, short_term_ref_pic_set_idx,
1349  0, sps->num_short_term_ref_pic_sets - 1);
1350  rps = &sps->st_ref_pic_set[current->short_term_ref_pic_set_idx];
1351  } else {
1352  infer(short_term_ref_pic_set_idx, 0);
1353  rps = &sps->st_ref_pic_set[0];
1354  }
1355 
1356  num_pic_total_curr = 0;
1357  for (i = 0; i < rps->num_negative_pics; i++)
1358  if (rps->used_by_curr_pic_s0_flag[i])
1359  ++num_pic_total_curr;
1360  for (i = 0; i < rps->num_positive_pics; i++)
1361  if (rps->used_by_curr_pic_s1_flag[i])
1362  ++num_pic_total_curr;
1363 
1365  unsigned int idx_size;
1366 
1367  if (sps->num_long_term_ref_pics_sps > 0) {
1368  ue(num_long_term_sps, 0, sps->num_long_term_ref_pics_sps);
1369  idx_size = av_log2(sps->num_long_term_ref_pics_sps - 1) + 1;
1370  } else {
1371  infer(num_long_term_sps, 0);
1372  idx_size = 0;
1373  }
1374  ue(num_long_term_pics, 0, HEVC_MAX_REFS - current->num_long_term_sps);
1375 
1376  for (i = 0; i < current->num_long_term_sps +
1377  current->num_long_term_pics; i++) {
1378  if (i < current->num_long_term_sps) {
1379  if (sps->num_long_term_ref_pics_sps > 1)
1380  us(idx_size, lt_idx_sps[i],
1381  0, sps->num_long_term_ref_pics_sps - 1, 1, i);
1382  if (sps->used_by_curr_pic_lt_sps_flag[current->lt_idx_sps[i]])
1383  ++num_pic_total_curr;
1384  } else {
1385  ubs(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i], 1, i);
1386  flags(used_by_curr_pic_lt_flag[i], 1, i);
1387  if (current->used_by_curr_pic_lt_flag[i])
1388  ++num_pic_total_curr;
1389  }
1390  flags(delta_poc_msb_present_flag[i], 1, i);
1391  if (current->delta_poc_msb_present_flag[i])
1392  ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1393  else
1394  infer(delta_poc_msb_cycle_lt[i], 0);
1395  }
1396  }
1397 
1399  flag(slice_temporal_mvp_enabled_flag);
1400  else
1401  infer(slice_temporal_mvp_enabled_flag, 0);
1402 
1404  ++num_pic_total_curr;
1405  }
1406 
1408  flag(slice_sao_luma_flag);
1409  if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1410  flag(slice_sao_chroma_flag);
1411  else
1412  infer(slice_sao_chroma_flag, 0);
1413  } else {
1414  infer(slice_sao_luma_flag, 0);
1415  infer(slice_sao_chroma_flag, 0);
1416  }
1417 
1418  if (current->slice_type == HEVC_SLICE_P ||
1419  current->slice_type == HEVC_SLICE_B) {
1420  flag(num_ref_idx_active_override_flag);
1421  if (current->num_ref_idx_active_override_flag) {
1422  ue(num_ref_idx_l0_active_minus1, 0, 14);
1423  if (current->slice_type == HEVC_SLICE_B)
1424  ue(num_ref_idx_l1_active_minus1, 0, 14);
1425  else
1426  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1427  } else {
1428  infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1429  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1430  }
1431 
1432  if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1433  CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1434  num_pic_total_curr));
1435 
1436  if (current->slice_type == HEVC_SLICE_B)
1437  flag(mvd_l1_zero_flag);
1438  if (pps->cabac_init_present_flag)
1439  flag(cabac_init_flag);
1440  else
1441  infer(cabac_init_flag, 0);
1442  if (current->slice_temporal_mvp_enabled_flag) {
1443  if (current->slice_type == HEVC_SLICE_B)
1444  flag(collocated_from_l0_flag);
1445  else
1446  infer(collocated_from_l0_flag, 1);
1447  if (current->collocated_from_l0_flag) {
1448  if (current->num_ref_idx_l0_active_minus1 > 0)
1449  ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1450  else
1451  infer(collocated_ref_idx, 0);
1452  } else {
1453  if (current->num_ref_idx_l1_active_minus1 > 0)
1454  ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1455  else
1456  infer(collocated_ref_idx, 0);
1457  }
1458  }
1459 
1460  if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1461  (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1462  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1463 
1464  ue(five_minus_max_num_merge_cand, 0, 4);
1466  flag(use_integer_mv_flag);
1467  else
1468  infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1469  }
1470 
1471  se(slice_qp_delta,
1472  - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1473  + 51 - (pps->init_qp_minus26 + 26));
1475  se(slice_cb_qp_offset, -12, +12);
1476  se(slice_cr_qp_offset, -12, +12);
1477  } else {
1478  infer(slice_cb_qp_offset, 0);
1479  infer(slice_cr_qp_offset, 0);
1480  }
1482  se(slice_act_y_qp_offset,
1483  -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1484  +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1485  se(slice_act_cb_qp_offset,
1486  -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1487  +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1488  se(slice_act_cr_qp_offset,
1489  -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1490  +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1491  } else {
1492  infer(slice_act_y_qp_offset, 0);
1493  infer(slice_act_cb_qp_offset, 0);
1494  infer(slice_act_cr_qp_offset, 0);
1495  }
1497  flag(cu_chroma_qp_offset_enabled_flag);
1498  else
1499  infer(cu_chroma_qp_offset_enabled_flag, 0);
1500 
1502  flag(deblocking_filter_override_flag);
1503  else
1504  infer(deblocking_filter_override_flag, 0);
1505  if (current->deblocking_filter_override_flag) {
1506  flag(slice_deblocking_filter_disabled_flag);
1507  if (!current->slice_deblocking_filter_disabled_flag) {
1508  se(slice_beta_offset_div2, -6, +6);
1509  se(slice_tc_offset_div2, -6, +6);
1510  } else {
1511  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1512  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1513  }
1514  } else {
1515  infer(slice_deblocking_filter_disabled_flag,
1517  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1518  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1519  }
1521  (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1522  !current->slice_deblocking_filter_disabled_flag))
1523  flag(slice_loop_filter_across_slices_enabled_flag);
1524  else
1525  infer(slice_loop_filter_across_slices_enabled_flag,
1527  }
1528 
1530  unsigned int num_entry_point_offsets_limit;
1532  num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1534  num_entry_point_offsets_limit =
1535  (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1536  else
1537  num_entry_point_offsets_limit =
1538  (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1539  ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1540 
1541  if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1542  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1543  "%"PRIu16".\n", current->num_entry_point_offsets);
1544  return AVERROR_PATCHWELCOME;
1545  }
1546 
1547  if (current->num_entry_point_offsets > 0) {
1548  ue(offset_len_minus1, 0, 31);
1549  for (i = 0; i < current->num_entry_point_offsets; i++)
1550  ubs(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], 1, i);
1551  }
1552  }
1553 
1555  ue(slice_segment_header_extension_length, 0, 256);
1556  for (i = 0; i < current->slice_segment_header_extension_length; i++)
1557  us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i);
1558  }
1559 
1560  CHECK(FUNC(byte_alignment)(ctx, rw));
1561 
1562  return 0;
1563 }
1564 
1566  H265RawSEIBufferingPeriod *current,
1567  uint32_t *payload_size)
1568 {
1570  const H265RawSPS *sps;
1571  const H265RawHRDParameters *hrd;
1572  int err, i, length;
1573 
1574 #ifdef READ
1575  int start_pos, end_pos, bits_left;
1576  start_pos = get_bits_count(rw);
1577 #endif
1578 
1579  HEADER("Buffering Period");
1580 
1581  ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1);
1582 
1583  sps = h265->sps[current->bp_seq_parameter_set_id];
1584  if (!sps) {
1585  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1586  current->bp_seq_parameter_set_id);
1587  return AVERROR_INVALIDDATA;
1588  }
1589  h265->active_sps = sps;
1590 
1591  if (!sps->vui_parameters_present_flag ||
1593  av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1594  "HRD parameters to be present in SPS.\n");
1595  return AVERROR_INVALIDDATA;
1596  }
1597  hrd = &sps->vui.hrd_parameters;
1598  if (!hrd->nal_hrd_parameters_present_flag &&
1600  av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1601  "NAL or VCL HRD parameters to be present.\n");
1602  return AVERROR_INVALIDDATA;
1603  }
1604 
1606  flag(irap_cpb_params_present_flag);
1607  else
1608  infer(irap_cpb_params_present_flag, 0);
1609  if (current->irap_cpb_params_present_flag) {
1610  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1611  ub(length, cpb_delay_offset);
1612  length = hrd->dpb_output_delay_length_minus1 + 1;
1613  ub(length, dpb_delay_offset);
1614  } else {
1615  infer(cpb_delay_offset, 0);
1616  infer(dpb_delay_offset, 0);
1617  }
1618 
1619  flag(concatenation_flag);
1620 
1621  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1622  ub(length, au_cpb_removal_delay_delta_minus1);
1623 
1625  for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1626  length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1627 
1628  ubs(length, nal_initial_cpb_removal_delay[i], 1, i);
1629  ubs(length, nal_initial_cpb_removal_offset[i], 1, i);
1630 
1632  current->irap_cpb_params_present_flag) {
1633  ubs(length, nal_initial_alt_cpb_removal_delay[i], 1, i);
1634  ubs(length, nal_initial_alt_cpb_removal_offset[i], 1, i);
1635  }
1636  }
1637  }
1639  for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1640  length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1641 
1642  ubs(length, vcl_initial_cpb_removal_delay[i], 1, i);
1643  ubs(length, vcl_initial_cpb_removal_offset[i], 1, i);
1644 
1646  current->irap_cpb_params_present_flag) {
1647  ubs(length, vcl_initial_alt_cpb_removal_delay[i], 1, i);
1648  ubs(length, vcl_initial_alt_cpb_removal_offset[i], 1, i);
1649  }
1650  }
1651  }
1652 
1653 #ifdef READ
1654  // payload_extension_present() - true if we are before the last 1-bit
1655  // in the payload structure, which must be in the last byte.
1656  end_pos = get_bits_count(rw);
1657  bits_left = *payload_size * 8 - (end_pos - start_pos);
1658  if (bits_left > 0 &&
1659  (bits_left > 7 || ff_ctz(show_bits(rw, bits_left)) < bits_left - 1))
1660  flag(use_alt_cpb_params_flag);
1661  else
1662  infer(use_alt_cpb_params_flag, 0);
1663 #else
1664  if (current->use_alt_cpb_params_flag)
1665  flag(use_alt_cpb_params_flag);
1666 #endif
1667 
1668  return 0;
1669 }
1670 
1672  H265RawSEIPicTiming *current)
1673 {
1675  const H265RawSPS *sps;
1676  const H265RawHRDParameters *hrd;
1677  int err, expected_source_scan_type, i, length;
1678 
1679  HEADER("Picture Timing");
1680 
1681  sps = h265->active_sps;
1682  if (!sps) {
1683  av_log(ctx->log_ctx, AV_LOG_ERROR,
1684  "No active SPS for pic_timing.\n");
1685  return AVERROR_INVALIDDATA;
1686  }
1687 
1688  expected_source_scan_type = 2 -
1691 
1693  u(4, pic_struct, 0, 12);
1694  u(2, source_scan_type,
1695  expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1696  expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1697  flag(duplicate_flag);
1698  } else {
1699  infer(pic_struct, 0);
1700  infer(source_scan_type,
1701  expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1702  infer(duplicate_flag, 0);
1703  }
1704 
1705  if (sps->vui_parameters_present_flag &&
1707  hrd = &sps->vui.hrd_parameters;
1708  else
1709  hrd = NULL;
1710  if (hrd && (hrd->nal_hrd_parameters_present_flag ||
1712  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1713  ub(length, au_cpb_removal_delay_minus1);
1714 
1715  length = hrd->dpb_output_delay_length_minus1 + 1;
1716  ub(length, pic_dpb_output_delay);
1717 
1719  length = hrd->dpb_output_delay_du_length_minus1 + 1;
1720  ub(length, pic_dpb_output_du_delay);
1721  }
1722 
1725  // Each decoding unit must contain at least one slice segment.
1726  ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS);
1727  flag(du_common_cpb_removal_delay_flag);
1728 
1730  if (current->du_common_cpb_removal_delay_flag)
1731  ub(length, du_common_cpb_removal_delay_increment_minus1);
1732 
1733  for (i = 0; i <= current->num_decoding_units_minus1; i++) {
1734  ues(num_nalus_in_du_minus1[i],
1735  0, HEVC_MAX_SLICE_SEGMENTS, 1, i);
1736  if (!current->du_common_cpb_removal_delay_flag &&
1737  i < current->num_decoding_units_minus1)
1738  ubs(length, du_cpb_removal_delay_increment_minus1[i], 1, i);
1739  }
1740  }
1741  }
1742 
1743  return 0;
1744 }
1745 
1747  H265RawSEIPanScanRect *current)
1748 {
1749  int err, i;
1750 
1751  HEADER("Pan-Scan Rectangle");
1752 
1753  ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
1754  flag(pan_scan_rect_cancel_flag);
1755 
1756  if (!current->pan_scan_rect_cancel_flag) {
1757  ue(pan_scan_cnt_minus1, 0, 2);
1758 
1759  for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
1760  ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1761  ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1762  ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1763  ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1764  }
1765 
1766  flag(pan_scan_rect_persistence_flag);
1767  }
1768 
1769  return 0;
1770 }
1771 
1774  uint32_t *payload_size)
1775 {
1776  int err, i, j;
1777 
1778  HEADER("User Data Registered ITU-T T.35");
1779 
1780  u(8, itu_t_t35_country_code, 0x00, 0xff);
1781  if (current->itu_t_t35_country_code != 0xff)
1782  i = 1;
1783  else {
1784  u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
1785  i = 2;
1786  }
1787 
1788 #ifdef READ
1789  if (*payload_size < i) {
1790  av_log(ctx->log_ctx, AV_LOG_ERROR,
1791  "Invalid SEI user data registered payload.\n");
1792  return AVERROR_INVALIDDATA;
1793  }
1794  current->data_length = *payload_size - i;
1795 #else
1796  *payload_size = i + current->data_length;
1797 #endif
1798 
1799  allocate(current->data, current->data_length);
1800  for (j = 0; j < current->data_length; j++)
1801  xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
1802 
1803  return 0;
1804 }
1805 
1808  uint32_t *payload_size)
1809 {
1810  int err, i;
1811 
1812  HEADER("User Data Unregistered");
1813 
1814 #ifdef READ
1815  if (*payload_size < 16) {
1816  av_log(ctx->log_ctx, AV_LOG_ERROR,
1817  "Invalid SEI user data unregistered payload.\n");
1818  return AVERROR_INVALIDDATA;
1819  }
1820  current->data_length = *payload_size - 16;
1821 #else
1822  *payload_size = 16 + current->data_length;
1823 #endif
1824 
1825  for (i = 0; i < 16; i++)
1826  us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
1827 
1828  allocate(current->data, current->data_length);
1829 
1830  for (i = 0; i < current->data_length; i++)
1831  xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
1832 
1833  return 0;
1834 }
1835 
1837  H265RawSEIRecoveryPoint *current)
1838 {
1839  int err;
1840 
1841  HEADER("Recovery Point");
1842 
1843  se(recovery_poc_cnt, -32768, 32767);
1844 
1845  flag(exact_match_flag);
1846  flag(broken_link_flag);
1847 
1848  return 0;
1849 }
1850 
1853 {
1854  int err;
1855 
1856  HEADER("Display Orientation");
1857 
1858  flag(display_orientation_cancel_flag);
1859  if (!current->display_orientation_cancel_flag) {
1860  flag(hor_flip);
1861  flag(ver_flip);
1862  ub(16, anticlockwise_rotation);
1863  flag(display_orientation_persistence_flag);
1864  }
1865 
1866  return 0;
1867 }
1868 
1871 {
1873  const H265RawVPS *vps;
1874  int err, i;
1875 
1876  HEADER("Active Parameter Sets");
1877 
1878  u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT);
1879  vps = h265->vps[current->active_video_parameter_set_id];
1880  if (!vps) {
1881  av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active "
1882  "parameter sets.\n", current->active_video_parameter_set_id);
1883  return AVERROR_INVALIDDATA;
1884  }
1885  h265->active_vps = vps;
1886 
1887  flag(self_contained_cvs_flag);
1888  flag(no_parameter_set_update_flag);
1889 
1890  ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1);
1891  for (i = 0; i <= current->num_sps_ids_minus1; i++)
1892  ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i);
1893 
1894  for (i = vps->vps_base_layer_internal_flag;
1895  i <= FFMIN(62, vps->vps_max_layers_minus1); i++) {
1896  ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
1897 
1898  if (i == 0)
1899  h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
1900  }
1901 
1902  return 0;
1903 }
1904 
1907 {
1909  const H265RawSPS *sps = h265->active_sps;
1910  int err, c, i;
1911 
1912  HEADER("Decoded Picture Hash");
1913 
1914  if (!sps) {
1915  av_log(ctx->log_ctx, AV_LOG_ERROR,
1916  "No active SPS for decoded picture hash.\n");
1917  return AVERROR_INVALIDDATA;
1918  }
1919 
1920  u(8, hash_type, 0, 2);
1921 
1922  for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) {
1923  if (current->hash_type == 0) {
1924  for (i = 0; i < 16; i++)
1925  us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
1926  } else if (current->hash_type == 1) {
1927  us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
1928  } else if (current->hash_type == 2) {
1929  us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
1930  }
1931  }
1932 
1933  return 0;
1934 }
1935 
1937  H265RawSEITimeCode *current)
1938 {
1939  int err, i;
1940 
1941  HEADER("Time Code");
1942 
1943  u(2, num_clock_ts, 1, 3);
1944 
1945  for (i = 0; i < current->num_clock_ts; i++) {
1946  flags(clock_timestamp_flag[i], 1, i);
1947 
1948  if (current->clock_timestamp_flag[i]) {
1949  flags(units_field_based_flag[i], 1, i);
1950  us(5, counting_type[i], 0, 6, 1, i);
1951  flags(full_timestamp_flag[i], 1, i);
1952  flags(discontinuity_flag[i], 1, i);
1953  flags(cnt_dropped_flag[i], 1, i);
1954 
1955  ubs(9, n_frames[i], 1, i);
1956 
1957  if (current->full_timestamp_flag[i]) {
1958  us(6, seconds_value[i], 0, 59, 1, i);
1959  us(6, minutes_value[i], 0, 59, 1, i);
1960  us(5, hours_value[i], 0, 23, 1, i);
1961  } else {
1962  flags(seconds_flag[i], 1, i);
1963  if (current->seconds_flag[i]) {
1964  us(6, seconds_value[i], 0, 59, 1, i);
1965  flags(minutes_flag[i], 1, i);
1966  if (current->minutes_flag[i]) {
1967  us(6, minutes_value[i], 0, 59, 1, i);
1968  flags(hours_flag[i], 1, i);
1969  if (current->hours_flag[i])
1970  us(5, hours_value[i], 0, 23, 1, i);
1971  }
1972  }
1973  }
1974 
1975  ubs(5, time_offset_length[i], 1, i);
1976  if (current->time_offset_length[i] > 0)
1977  ibs(current->time_offset_length[i], time_offset_value[i], 1, i);
1978  else
1979  infer(time_offset_value[i], 0);
1980  }
1981  }
1982 
1983  return 0;
1984 }
1985 
1988 {
1989  int err, c;
1990 
1991  HEADER("Mastering Display Colour Volume");
1992 
1993  for (c = 0; c < 3; c++) {
1994  us(16, display_primaries_x[c], 0, 50000, 1, c);
1995  us(16, display_primaries_y[c], 0, 50000, 1, c);
1996  }
1997 
1998  u(16, white_point_x, 0, 50000);
1999  u(16, white_point_y, 0, 50000);
2000 
2001  u(32, max_display_mastering_luminance,
2002  1, MAX_UINT_BITS(32));
2003  u(32, min_display_mastering_luminance,
2004  0, current->max_display_mastering_luminance - 1);
2005 
2006  return 0;
2007 }
2008 
2011 {
2012  int err;
2013 
2014  HEADER("Content Light Level");
2015 
2016  ub(16, max_content_light_level);
2017  ub(16, max_pic_average_light_level);
2018 
2019  return 0;
2020 }
2021 
2023  RWContext *rw,
2025 {
2026  int err;
2027 
2028  HEADER("Alternative Transfer Characteristics");
2029 
2030  ub(8, preferred_transfer_characteristics);
2031 
2032  return 0;
2033 }
2034 
2036  RWContext *rw,
2037  H265RawSEIAlphaChannelInfo *current)
2038 {
2039  int err, length;
2040 
2041  HEADER("Alpha Channel Information");
2042 
2043  flag(alpha_channel_cancel_flag);
2044  if (!current->alpha_channel_cancel_flag) {
2045  ub(3, alpha_channel_use_idc);
2046  ub(3, alpha_channel_bit_depth_minus8);
2047  length = current->alpha_channel_bit_depth_minus8 + 9;
2048  ub(length, alpha_transparent_value);
2049  ub(length, alpha_opaque_value);
2050  flag(alpha_channel_incr_flag);
2051  flag(alpha_channel_clip_flag);
2052  if (current->alpha_channel_clip_flag)
2053  flag(alpha_channel_clip_type_flag);
2054  } else {
2055  infer(alpha_channel_use_idc, 2);
2056  infer(alpha_channel_incr_flag, 0);
2057  infer(alpha_channel_clip_flag, 0);
2058  }
2059 
2060  return 0;
2061 }
2062 
2064  H265RawSEIPayload *current, int prefix)
2065 {
2066  int err, i;
2067  int start_position, end_position;
2068 
2069 #ifdef READ
2070  start_position = get_bits_count(rw);
2071 #else
2072  start_position = put_bits_count(rw);
2073 #endif
2074 
2075  switch (current->payload_type) {
2076 #define SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid) do { \
2077  if (prefix && !prefix_valid) { \
2078  av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
2079  "as prefix SEI!\n", #name); \
2080  return AVERROR_INVALIDDATA; \
2081  } \
2082  if (!prefix && !suffix_valid) { \
2083  av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
2084  "as suffix SEI!\n", #name); \
2085  return AVERROR_INVALIDDATA; \
2086  } \
2087  } while (0)
2088 #define SEI_TYPE_N(type, prefix_valid, suffix_valid, name) \
2089  case HEVC_SEI_TYPE_ ## type: \
2090  SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
2091  CHECK(FUNC(sei_ ## name)(ctx, rw, &current->payload.name)); \
2092  break
2093 #define SEI_TYPE_S(type, prefix_valid, suffix_valid, name) \
2094  case HEVC_SEI_TYPE_ ## type: \
2095  SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
2096  CHECK(FUNC(sei_ ## name)(ctx, rw, &current->payload.name, \
2097  &current->payload_size)); \
2098  break
2099 
2100  SEI_TYPE_S(BUFFERING_PERIOD, 1, 0, buffering_period);
2101  SEI_TYPE_N(PICTURE_TIMING, 1, 0, pic_timing);
2102  SEI_TYPE_N(PAN_SCAN_RECT, 1, 0, pan_scan_rect);
2103  SEI_TYPE_S(USER_DATA_REGISTERED_ITU_T_T35,
2104  1, 1, user_data_registered);
2105  SEI_TYPE_S(USER_DATA_UNREGISTERED, 1, 1, user_data_unregistered);
2106  SEI_TYPE_N(RECOVERY_POINT, 1, 0, recovery_point);
2107  SEI_TYPE_N(DISPLAY_ORIENTATION, 1, 0, display_orientation);
2108  SEI_TYPE_N(ACTIVE_PARAMETER_SETS, 1, 0, active_parameter_sets);
2109  SEI_TYPE_N(DECODED_PICTURE_HASH, 0, 1, decoded_picture_hash);
2110  SEI_TYPE_N(TIME_CODE, 1, 0, time_code);
2111  SEI_TYPE_N(MASTERING_DISPLAY_INFO, 1, 0, mastering_display);
2112  SEI_TYPE_N(CONTENT_LIGHT_LEVEL_INFO, 1, 0, content_light_level);
2113  SEI_TYPE_N(ALTERNATIVE_TRANSFER_CHARACTERISTICS,
2114  1, 0, alternative_transfer_characteristics);
2115  SEI_TYPE_N(ALPHA_CHANNEL_INFO, 1, 0, alpha_channel_info);
2116 
2117 #undef SEI_TYPE
2118  default:
2119  {
2120 #ifdef READ
2121  current->payload.other.data_length = current->payload_size;
2122 #endif
2123  allocate(current->payload.other.data, current->payload.other.data_length);
2124 
2125  for (i = 0; i < current->payload_size; i++)
2126  xu(8, payload_byte[i], current->payload.other.data[i], 0, 255,
2127  1, i);
2128  }
2129  }
2130 
2131  if (byte_alignment(rw)) {
2132  fixed(1, bit_equal_to_one, 1);
2133  while (byte_alignment(rw))
2134  fixed(1, bit_equal_to_zero, 0);
2135  }
2136 
2137 #ifdef READ
2138  end_position = get_bits_count(rw);
2139  if (end_position < start_position + 8 * current->payload_size) {
2140  av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
2141  "header %"PRIu32" bits, actually %d bits.\n",
2142  8 * current->payload_size,
2143  end_position - start_position);
2144  return AVERROR_INVALIDDATA;
2145  }
2146 #else
2147  end_position = put_bits_count(rw);
2148  current->payload_size = (end_position - start_position) >> 3;
2149 #endif
2150 
2151  return 0;
2152 }
2153 
2155  H265RawSEI *current, int prefix)
2156 {
2157  int err, k;
2158 
2159  if (prefix)
2160  HEADER("Prefix Supplemental Enhancement Information");
2161  else
2162  HEADER("Suffix Supplemental Enhancement Information");
2163 
2164  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2165  prefix ? HEVC_NAL_SEI_PREFIX
2166  : HEVC_NAL_SEI_SUFFIX));
2167 
2168 #ifdef READ
2169  for (k = 0; k < H265_MAX_SEI_PAYLOADS; k++) {
2170  uint32_t payload_type = 0;
2171  uint32_t payload_size = 0;
2172  uint32_t tmp;
2173 
2174  while (show_bits(rw, 8) == 0xff) {
2175  fixed(8, ff_byte, 0xff);
2176  payload_type += 255;
2177  }
2178  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2179  payload_type += tmp;
2180 
2181  while (show_bits(rw, 8) == 0xff) {
2182  fixed(8, ff_byte, 0xff);
2183  payload_size += 255;
2184  }
2185  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
2186  payload_size += tmp;
2187 
2188  current->payload[k].payload_type = payload_type;
2189  current->payload[k].payload_size = payload_size;
2190 
2191  current->payload_count++;
2192  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k], prefix));
2193 
2195  break;
2196  }
2197  if (k >= H265_MAX_SEI_PAYLOADS) {
2198  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
2199  "SEI message: found %d.\n", k);
2200  return AVERROR_INVALIDDATA;
2201  }
2202 #else
2203  for (k = 0; k < current->payload_count; k++) {
2204  PutBitContext start_state;
2205  uint32_t tmp;
2206  int need_size, i;
2207 
2208  // Somewhat clumsy: we write the payload twice when
2209  // we don't know the size in advance. This will mess
2210  // with trace output, but is otherwise harmless.
2211  start_state = *rw;
2212  need_size = !current->payload[k].payload_size;
2213  for (i = 0; i < 1 + need_size; i++) {
2214  *rw = start_state;
2215 
2216  tmp = current->payload[k].payload_type;
2217  while (tmp >= 255) {
2218  fixed(8, ff_byte, 0xff);
2219  tmp -= 255;
2220  }
2221  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2222 
2223  tmp = current->payload[k].payload_size;
2224  while (tmp >= 255) {
2225  fixed(8, ff_byte, 0xff);
2226  tmp -= 255;
2227  }
2228  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
2229 
2230  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k], prefix));
2231  }
2232  }
2233 #endif
2234 
2236 
2237  return 0;
2238 }
#define allocate(name, size)
Definition: cbs_h2645.c:412
#define NULL
Definition: coverity.c:32
#define ff_ctz
Definition: intmath.h:106
H265RawPPS * pps[HEVC_MAX_PPS_COUNT]
Definition: cbs_h265.h:738
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static int FUNC() byte_alignment(CodedBitstreamContext *ctx, RWContext *rw)
#define se(name, range_min, range_max)
Definition: cbs_h2645.c:263
uint8_t deblocking_filter_override_enabled_flag
Definition: cbs_h265.h:396
static int FUNC() sei_content_light_level(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIContentLightLevelInfo *current)
uint8_t num_ref_idx_l0_default_active_minus1
Definition: cbs_h265.h:366
#define fixed(width, name, value)
Definition: cbs_av1.c:569
static int FUNC() sub_layer_hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *hrd, int nal, int sub_layer_id)
H265RawHRDParameters hrd_parameters
Definition: cbs_h265.h:172
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h265.h:109
uint8_t chroma_qp_offset_list_enabled_flag
Definition: cbs_h265.h:421
static int FUNC() sei_decoded_picture_hash(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIDecodedPictureHash *current)
uint8_t bit_depth_luma_minus8
Definition: cbs_h265.h:276
static int FUNC() sps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t frame_field_info_present_flag
Definition: cbs_h265.h:158
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
int8_t pps_act_y_qp_offset_plus5
Definition: cbs_h265.h:433
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPanScanRect *current)
#define RWContext
Definition: cbs_av1.c:665
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *current, int common_inf_present_flag, int max_num_sub_layers_minus1)
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:266
uint8_t tiles_enabled_flag
Definition: cbs_h265.h:384
H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]
Definition: cbs_h265.h:308
static int FUNC() slice_segment_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
H265RawProfileTierLevel profile_tier_level
Definition: cbs_h265.h:260
uint8_t pps_slice_chroma_qp_offsets_present_flag
Definition: cbs_h265.h:378
static int FUNC() pps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint8_t sample_adaptive_offset_enabled_flag
Definition: cbs_h265.h:298
uint8_t vui_parameters_present_flag
Definition: cbs_h265.h:318
uint8_t bit_depth_chroma_minus8
Definition: cbs_h265.h:277
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS]
Definition: cbs_h265.h:240
static int FUNC() extension_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawPSExtensionData *current)
uint16_t pic_height_in_luma_samples
Definition: cbs_h265.h:268
static int FUNC() pps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint8_t
static int FUNC() ref_pic_lists_modification(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current, unsigned int num_pic_total_curr)
uint8_t au_cpb_removal_delay_length_minus1
Definition: cbs_h265.h:123
#define HEADER(name)
Definition: cbs_av1.c:536
#define MAX_UINT_BITS(length)
Definition: cbs_internal.h:98
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:252
uint8_t log2_max_pic_order_cnt_lsb_minus4
Definition: cbs_h265.h:279
H265RawSPS * sps[HEVC_MAX_SPS_COUNT]
Definition: cbs_h265.h:737
static int FUNC() vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawVUI *current, const H265RawSPS *sps)
uint8_t dpb_output_delay_length_minus1
Definition: cbs_h265.h:124
#define ses(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:278
static int FUNC() sei_time_code(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEITimeCode *current)
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:219
uint8_t vps_max_sub_layers_minus1
Definition: cbs_h265.h:199
static int FUNC() sei_user_data_registered(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIUserDataRegistered *current, uint32_t *payload_size)
static int FUNC() sei_alternative_transfer_characteristics(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIAlternativeTransferCharacteristics *current)
#define av_log(a,...)
static int FUNC() sei(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEI *current, int prefix)
H265RawVUI vui
Definition: cbs_h265.h:319
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
uint8_t pps_slice_act_qp_offsets_present_flag
Definition: cbs_h265.h:432
static int FUNC() st_ref_pic_set(CodedBitstreamContext *ctx, RWContext *rw, H265RawSTRefPicSet *current, int st_rps_idx, const H265RawSPS *sps)
#define FUNC(a)
static av_always_inline void chroma(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror, int jobnr, int nb_jobs)
Definition: vf_waveform.c:1511
#define ue(name, range_min, range_max)
Definition: cbs_h2645.c:257
uint8_t num_negative_pics
Definition: cbs_h265.h:237
uint8_t du_cpb_removal_delay_increment_length_minus1
Definition: cbs_h265.h:114
uint8_t general_interlaced_source_flag
Definition: cbs_h265.h:51
#define FFMAX(a, b)
Definition: common.h:94
static int FUNC() sei_display_orientation(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIDisplayOrientation *current)
uint8_t vps_max_layers_minus1
Definition: cbs_h265.h:198
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:85
uint8_t motion_vector_resolution_control_idc
Definition: cbs_h265.h:350
#define SEI_TYPE_S(type, prefix_valid, suffix_valid, name)
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
#define FFMIN(a, b)
Definition: common.h:96
#define profile_compatible(x)
static int FUNC() sei_mastering_display(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIMasteringDisplayColourVolume *current)
uint8_t vui_hrd_parameters_present_flag
Definition: cbs_h265.h:171
uint8_t num_long_term_ref_pics_sps
Definition: cbs_h265.h:311
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:226
int8_t pps_beta_offset_div2
Definition: cbs_h265.h:398
uint8_t pps_deblocking_filter_disabled_flag
Definition: cbs_h265.h:397
AVFormatContext * ctx
Definition: movenc.c:48
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
Definition: get_bits.h:446
static int FUNC() sei_active_parameter_sets(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIActiveParameterSets *current)
uint16_t pic_width_in_luma_samples
Definition: cbs_h265.h:267
int n
Definition: avisynth_c.h:760
uint8_t lists_modification_present_flag
Definition: cbs_h265.h:404
uint8_t log2_min_luma_coding_block_size_minus3
Definition: cbs_h265.h:286
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h265.h:110
uint8_t pps_seq_parameter_set_id
Definition: cbs_h265.h:358
uint8_t cabac_init_present_flag
Definition: cbs_h265.h:364
#define SEI_TYPE_N(type, prefix_valid, suffix_valid, name)
#define av_log2
Definition: intmath.h:83
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
Definition: eamad.c:83
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H265RawAUD *current)
uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS]
Definition: cbs_h265.h:242
uint8_t num_extra_slice_header_bits
Definition: cbs_h265.h:362
const H265RawSPS * active_sps
Definition: cbs_h265.h:744
static int FUNC() scaling_list_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawScalingList *current)
uint8_t entropy_coding_sync_enabled_flag
Definition: cbs_h265.h:385
uint8_t output_flag_present_flag
Definition: cbs_h265.h:361
uint8_t weighted_bipred_flag
Definition: cbs_h265.h:381
uint8_t dependent_slice_segments_enabled_flag
Definition: cbs_h265.h:360
uint8_t sps_temporal_mvp_enabled_flag
Definition: cbs_h265.h:315
#define ub(width, name)
Definition: cbs_h2645.c:254
#define xu(width, name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:374
uint8_t pps_loop_filter_across_slices_enabled_flag
Definition: cbs_h265.h:394
uint8_t weighted_pred_flag
Definition: cbs_h265.h:380
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:467
Context structure for coded bitstream operations.
Definition: cbs.h:168
CHECK(-1) CHECK(-2) }} }} CHECK(1) CHECK(2) }} }} } if(diff0+diff1 > 0) temp -
const H265RawVPS * active_vps
Definition: cbs_h265.h:743
static int FUNC() profile_tier_level(CodedBitstreamContext *ctx, RWContext *rw, H265RawProfileTierLevel *current, int profile_present_flag, int max_num_sub_layers_minus1)
uint8_t chroma_format_idc
Definition: cbs_h265.h:264
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition: cbs_h2645.c:325
const H265RawPPS * active_pps
Definition: cbs_h265.h:745
uint8_t vps_base_layer_internal_flag
Definition: cbs_h265.h:196
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
#define flags(name, subs,...)
Definition: cbs_av1.c:564
uint8_t num_positive_pics
Definition: cbs_h265.h:238
static int FUNC() sei_recovery_point(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIRecoveryPoint *current)
static int FUNC() nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawNALUnitHeader *current, int expected_nal_unit_type)
uint8_t general_progressive_source_flag
Definition: cbs_h265.h:50
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
#define flag(name)
Definition: cbs_av1.c:556
#define bit(string, value)
Definition: cbs_mpeg2.c:58
static double c[64]
uint8_t num_tile_rows_minus1
Definition: cbs_h265.h:388
static int FUNC() sei_pic_timing(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPicTiming *current)
int8_t pps_act_cb_qp_offset_plus5
Definition: cbs_h265.h:434
#define ubs(width, name, subs,...)
Definition: cbs_h2645.c:268
uint8_t sub_pic_hrd_params_present_flag
Definition: cbs_h265.h:112
uint8_t num_tile_columns_minus1
Definition: cbs_h265.h:387
uint8_t log2_diff_max_min_luma_coding_block_size
Definition: cbs_h265.h:287
uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag
Definition: cbs_h265.h:115
uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:130
uint8_t dpb_output_delay_du_length_minus1
Definition: cbs_h265.h:116
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS]
Definition: cbs_h265.h:313
void * priv_data
Format private data.
Definition: avformat.h:1386
uint8_t num_short_term_ref_pic_sets
Definition: cbs_h265.h:307
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t vps_temporal_id_nesting_flag
Definition: cbs_h265.h:200
static int FUNC() sei_alpha_channel_info(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIAlphaChannelInfo *current)
#define ibs(width, name, subs,...)
Definition: cbs_h2645.c:276
int8_t pps_tc_offset_div2
Definition: cbs_h265.h:399
void INT64 start
Definition: avisynth_c.h:766
static int FUNC() sei_user_data_unregistered(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIUserDataUnregistered *current, uint32_t *payload_size)
static int FUNC() sps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
const char int length
Definition: avisynth_c.h:860
int8_t init_qp_minus26
Definition: cbs_h265.h:369
uint8_t pps_curr_pic_ref_enabled_flag
Definition: cbs_h265.h:430
uint8_t slice_segment_header_extension_present_flag
Definition: cbs_h265.h:407
#define infer(name, value)
Definition: cbs_av1.c:712
H265RawVPS * vps[HEVC_MAX_VPS_COUNT]
Definition: cbs_h265.h:736
uint8_t separate_colour_plane_flag
Definition: cbs_h265.h:265
uint8_t initial_cpb_removal_delay_length_minus1
Definition: cbs_h265.h:122
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t long_term_ref_pics_present_flag
Definition: cbs_h265.h:310
static int FUNC() sei_buffering_period(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIBufferingPeriod *current, uint32_t *payload_size)
static int FUNC() sei_payload(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPayload *current, int prefix)
#define ues(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:272
int8_t pps_act_cr_qp_offset_plus3
Definition: cbs_h265.h:435
uint8_t num_ref_idx_l1_default_active_minus1
Definition: cbs_h265.h:367
static uint8_t tmp[11]
Definition: aes_ctr.c:26