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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  u(1, forbidden_zero_bit, 0, 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  u(6, nal_unit_type, 0, 63);
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), 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  u(5, general_profile_idc, 0, 31);
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  u(8, general_level_idc, 0, 255);
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  us(5, sub_layer_profile_idc[i], 0, 31, 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  us(8, sub_layer_level_idc[i], 0, 255, 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  u(8, tick_divisor_minus2, 0, 255);
269  u(5, du_cpb_removal_delay_increment_length_minus1, 0, 31);
270  flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
271  u(5, dpb_output_delay_du_length_minus1, 0, 31);
272  }
273 
274  u(4, bit_rate_scale, 0, 15);
275  u(4, cpb_size_scale, 0, 15);
276  if (current->sub_pic_hrd_params_present_flag)
277  u(4, cpb_size_du_scale, 0, 15);
278 
279  u(5, initial_cpb_removal_delay_length_minus1, 0, 31);
280  u(5, au_cpb_removal_delay_length_minus1, 0, 31);
281  u(5, dpb_output_delay_length_minus1, 0, 31);
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  u(8, aspect_ratio_idc, 0, 255);
327  if (current->aspect_ratio_idc == 255) {
328  u(16, sar_width, 0, 65535);
329  u(16, sar_height, 0, 65535);
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  u(3, video_format, 0, 7);
342  flag(video_full_range_flag);
343  flag(colour_description_present_flag);
344  if (current->colour_description_present_flag) {
345  u(8, colour_primaries, 0, 255);
346  u(8, transfer_characteristics, 0, 255);
347  u(8, matrix_coefficients, 0, 255);
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  u(4, vps_video_parameter_set_id, 0, 15);
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  infer(num_negative_pics, i);
605  for (i = 0; i < current->num_negative_pics; i++) {
606  infer(delta_poc_s0_minus1[i],
607  -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
608  infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
609  }
610 
611  i = 0;
612  for (j = ref->num_negative_pics - 1; j >= 0; j--) {
613  d_poc = ref_delta_poc_s0[j] + delta_rps;
614  if (d_poc > 0 && current->use_delta_flag[j]) {
615  delta_poc_s1[i] = d_poc;
616  used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
617  }
618  }
619  if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
620  delta_poc_s1[i] = delta_rps;
621  used_by_curr_pic_s1[i++] =
622  current->used_by_curr_pic_flag[num_delta_pocs];
623  }
624  for (j = 0; j < ref->num_positive_pics; j++) {
625  d_poc = ref_delta_poc_s1[j] + delta_rps;
626  if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
627  delta_poc_s1[i] = d_poc;
628  used_by_curr_pic_s1[i++] =
629  current->used_by_curr_pic_flag[ref->num_negative_pics + j];
630  }
631  }
632 
633  infer(num_positive_pics, i);
634  for (i = 0; i < current->num_positive_pics; i++) {
635  infer(delta_poc_s1_minus1[i],
636  delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
637  infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
638  }
639 
640  } else {
641  ue(num_negative_pics, 0, 15);
642  ue(num_positive_pics, 0, 15 - current->num_negative_pics);
643 
644  for (i = 0; i < current->num_negative_pics; i++) {
645  ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
646  flags(used_by_curr_pic_s0_flag[i], 1, i);
647  }
648 
649  for (i = 0; i < current->num_positive_pics; i++) {
650  ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i);
651  flags(used_by_curr_pic_s1_flag[i], 1, i);
652  }
653  }
654 
655  return 0;
656 }
657 
659  H265RawScalingList *current)
660 {
661  int sizeId, matrixId;
662  int err, n, i;
663 
664  for (sizeId = 0; sizeId < 4; sizeId++) {
665  for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
666  flags(scaling_list_pred_mode_flag[sizeId][matrixId],
667  2, sizeId, matrixId);
668  if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
669  ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
670  0, sizeId == 3 ? matrixId / 3 : matrixId,
671  2, sizeId, matrixId);
672  } else {
673  n = FFMIN(64, 1 << (4 + (sizeId << 1)));
674  if (sizeId > 1) {
675  ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247,
676  2, sizeId - 2, matrixId);
677  }
678  for (i = 0; i < n; i++) {
679  ses(scaling_list_delta_coeff[sizeId][matrixId][i],
680  -128, +127, 3, sizeId, matrixId, i);
681  }
682  }
683  }
684  }
685 
686  return 0;
687 }
688 
690  H265RawSPS *current)
691 {
692  int err;
693 
694  flag(transform_skip_rotation_enabled_flag);
695  flag(transform_skip_context_enabled_flag);
696  flag(implicit_rdpcm_enabled_flag);
697  flag(explicit_rdpcm_enabled_flag);
698  flag(extended_precision_processing_flag);
699  flag(intra_smoothing_disabled_flag);
700  flag(high_precision_offsets_enabled_flag);
701  flag(persistent_rice_adaptation_enabled_flag);
702  flag(cabac_bypass_alignment_enabled_flag);
703 
704  return 0;
705 }
706 
708  H265RawSPS *current)
709 {
710  int err, comp, i;
711 
712  flag(sps_curr_pic_ref_enabled_flag);
713 
714  flag(palette_mode_enabled_flag);
715  if (current->palette_mode_enabled_flag) {
716  ue(palette_max_size, 0, 64);
717  ue(delta_palette_max_predictor_size, 0, 128);
718 
719  flag(sps_palette_predictor_initializer_present_flag);
720  if (current->sps_palette_predictor_initializer_present_flag) {
721  ue(sps_num_palette_predictor_initializer_minus1, 0, 128);
722  for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
723  int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
724  : current->bit_depth_chroma_minus8 + 8;
725  for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
726  us(bit_depth, sps_palette_predictor_initializers[comp][i],
727  0, MAX_UINT_BITS(bit_depth), 2, comp, i);
728  }
729  }
730  }
731 
732  u(2, motion_vector_resolution_control_idc, 0, 2);
733  flag(intra_boundary_filtering_disable_flag);
734 
735  return 0;
736 }
737 
739  H265RawSPS *current)
740 {
742  const H265RawVPS *vps;
743  int err, i;
744  unsigned int min_cb_log2_size_y, ctb_log2_size_y,
745  min_cb_size_y, min_tb_log2_size_y;
746 
747  HEADER("Sequence Parameter Set");
748 
749  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
750 
751  u(4, sps_video_parameter_set_id, 0, 15);
752  h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
753 
754  u(3, sps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
755  flag(sps_temporal_id_nesting_flag);
756  if (vps) {
757  if (vps->vps_max_sub_layers_minus1 > current->sps_max_sub_layers_minus1) {
758  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
759  "sps_max_sub_layers_minus1 (%d) must be less than or equal to "
760  "vps_max_sub_layers_minus1 (%d).\n",
762  current->sps_max_sub_layers_minus1);
763  return AVERROR_INVALIDDATA;
764  }
765  if (vps->vps_temporal_id_nesting_flag &&
766  !current->sps_temporal_id_nesting_flag) {
767  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
768  "sps_temporal_id_nesting_flag must be 1 if "
769  "vps_temporal_id_nesting_flag is 1.\n");
770  return AVERROR_INVALIDDATA;
771  }
772  }
773 
774  CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
775  1, current->sps_max_sub_layers_minus1));
776 
777  ue(sps_seq_parameter_set_id, 0, 15);
778 
779  ue(chroma_format_idc, 0, 3);
780  if (current->chroma_format_idc == 3)
781  flag(separate_colour_plane_flag);
782  else
783  infer(separate_colour_plane_flag, 0);
784 
785  ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
786  ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
787 
788  flag(conformance_window_flag);
789  if (current->conformance_window_flag) {
790  ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
791  ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
792  ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
793  ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
794  } else {
795  infer(conf_win_left_offset, 0);
796  infer(conf_win_right_offset, 0);
797  infer(conf_win_top_offset, 0);
798  infer(conf_win_bottom_offset, 0);
799  }
800 
801  ue(bit_depth_luma_minus8, 0, 8);
802  ue(bit_depth_chroma_minus8, 0, 8);
803 
804  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
805 
806  flag(sps_sub_layer_ordering_info_present_flag);
807  for (i = (current->sps_sub_layer_ordering_info_present_flag ?
808  0 : current->sps_max_sub_layers_minus1);
809  i <= current->sps_max_sub_layers_minus1; i++) {
810  ues(sps_max_dec_pic_buffering_minus1[i],
811  0, HEVC_MAX_DPB_SIZE - 1, 1, i);
812  ues(sps_max_num_reorder_pics[i],
813  0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
814  ues(sps_max_latency_increase_plus1[i],
815  0, UINT32_MAX - 1, 1, i);
816  }
817  if (!current->sps_sub_layer_ordering_info_present_flag) {
818  for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
819  infer(sps_max_dec_pic_buffering_minus1[i],
820  current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
821  infer(sps_max_num_reorder_pics[i],
822  current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
823  infer(sps_max_latency_increase_plus1[i],
824  current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
825  }
826  }
827 
828  ue(log2_min_luma_coding_block_size_minus3, 0, 3);
829  min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
830 
831  ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
832  ctb_log2_size_y = min_cb_log2_size_y +
833  current->log2_diff_max_min_luma_coding_block_size;
834 
835  min_cb_size_y = 1 << min_cb_log2_size_y;
836  if (current->pic_width_in_luma_samples % min_cb_size_y ||
837  current->pic_height_in_luma_samples % min_cb_size_y) {
838  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
839  "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
840  current->pic_height_in_luma_samples, min_cb_size_y);
841  return AVERROR_INVALIDDATA;
842  }
843 
844  ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
845  min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
846 
847  ue(log2_diff_max_min_luma_transform_block_size,
848  0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
849 
850  ue(max_transform_hierarchy_depth_inter,
851  0, ctb_log2_size_y - min_tb_log2_size_y);
852  ue(max_transform_hierarchy_depth_intra,
853  0, ctb_log2_size_y - min_tb_log2_size_y);
854 
855  flag(scaling_list_enabled_flag);
856  if (current->scaling_list_enabled_flag) {
857  flag(sps_scaling_list_data_present_flag);
858  if (current->sps_scaling_list_data_present_flag)
859  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
860  } else {
861  infer(sps_scaling_list_data_present_flag, 0);
862  }
863 
864  flag(amp_enabled_flag);
865  flag(sample_adaptive_offset_enabled_flag);
866 
867  flag(pcm_enabled_flag);
868  if (current->pcm_enabled_flag) {
869  u(4, pcm_sample_bit_depth_luma_minus1,
870  0, current->bit_depth_luma_minus8 + 8 - 1);
871  u(4, pcm_sample_bit_depth_chroma_minus1,
872  0, current->bit_depth_chroma_minus8 + 8 - 1);
873 
874  ue(log2_min_pcm_luma_coding_block_size_minus3,
875  FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
876  ue(log2_diff_max_min_pcm_luma_coding_block_size,
877  0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
878 
879  flag(pcm_loop_filter_disabled_flag);
880  }
881 
882  ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
883  for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
884  CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
885 
886  flag(long_term_ref_pics_present_flag);
887  if (current->long_term_ref_pics_present_flag) {
888  ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
889  for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
890  us(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
891  lt_ref_pic_poc_lsb_sps[i],
892  0, MAX_UINT_BITS(current->log2_max_pic_order_cnt_lsb_minus4 + 4), 1, i);
893  flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
894  }
895  }
896 
897  flag(sps_temporal_mvp_enabled_flag);
898  flag(strong_intra_smoothing_enabled_flag);
899 
900  flag(vui_parameters_present_flag);
901  if (current->vui_parameters_present_flag)
902  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
903 
904  flag(sps_extension_present_flag);
905  if (current->sps_extension_present_flag) {
906  flag(sps_range_extension_flag);
907  flag(sps_multilayer_extension_flag);
908  flag(sps_3d_extension_flag);
909  flag(sps_scc_extension_flag);
910  u(4, sps_extension_4bits, 0, MAX_UINT_BITS(4));
911  }
912 
913  if (current->sps_range_extension_flag)
914  CHECK(FUNC(sps_range_extension)(ctx, rw, current));
915  if (current->sps_multilayer_extension_flag)
916  return AVERROR_PATCHWELCOME;
917  if (current->sps_3d_extension_flag)
918  return AVERROR_PATCHWELCOME;
919  if (current->sps_scc_extension_flag)
920  CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
921  if (current->sps_extension_4bits)
922  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
923 
925 
926  return 0;
927 }
928 
930  H265RawPPS *current)
931 {
933  const H265RawSPS *sps = h265->active_sps;
934  int err, i;
935 
936  if (current->transform_skip_enabled_flag)
937  ue(log2_max_transform_skip_block_size_minus2, 0, 3);
938  flag(cross_component_prediction_enabled_flag);
939 
940  flag(chroma_qp_offset_list_enabled_flag);
941  if (current->chroma_qp_offset_list_enabled_flag) {
942  ue(diff_cu_chroma_qp_offset_depth,
944  ue(chroma_qp_offset_list_len_minus1, 0, 5);
945  for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
946  ses(cb_qp_offset_list[i], -12, +12, 1, i);
947  ses(cr_qp_offset_list[i], -12, +12, 1, i);
948  }
949  }
950 
951  ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
952  ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
953 
954  return 0;
955 }
956 
958  H265RawPPS *current)
959 {
960  int err, comp, i;
961 
962  flag(pps_curr_pic_ref_enabled_flag);
963 
964  flag(residual_adaptive_colour_transform_enabled_flag);
965  if (current->residual_adaptive_colour_transform_enabled_flag) {
966  flag(pps_slice_act_qp_offsets_present_flag);
967  se(pps_act_y_qp_offset_plus5, -7, +17);
968  se(pps_act_cb_qp_offset_plus5, -7, +17);
969  se(pps_act_cr_qp_offset_plus3, -9, +15);
970  } else {
971  infer(pps_slice_act_qp_offsets_present_flag, 0);
972  infer(pps_act_y_qp_offset_plus5, 0);
973  infer(pps_act_cb_qp_offset_plus5, 0);
974  infer(pps_act_cr_qp_offset_plus3, 0);
975  }
976 
977  flag(pps_palette_predictor_initializer_present_flag);
978  if (current->pps_palette_predictor_initializer_present_flag) {
979  ue(pps_num_palette_predictor_initializer, 0, 128);
980  if (current->pps_num_palette_predictor_initializer > 0) {
981  flag(monochrome_palette_flag);
982  ue(luma_bit_depth_entry_minus8, 0, 8);
983  if (!current->monochrome_palette_flag)
984  ue(chroma_bit_depth_entry_minus8, 0, 8);
985  for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
986  int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
987  : current->chroma_bit_depth_entry_minus8 + 8;
988  for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
989  us(bit_depth, pps_palette_predictor_initializers[comp][i],
990  0, MAX_UINT_BITS(bit_depth), 2, comp, i);
991  }
992  }
993  }
994 
995  return 0;
996 }
997 
999  H265RawPPS *current)
1000 {
1002  const H265RawSPS *sps;
1003  int err, i;
1004 
1005  HEADER("Picture Parameter Set");
1006 
1007  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
1008 
1009  ue(pps_pic_parameter_set_id, 0, 63);
1010  ue(pps_seq_parameter_set_id, 0, 15);
1011  sps = h265->sps[current->pps_seq_parameter_set_id];
1012  if (!sps) {
1013  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1014  current->pps_seq_parameter_set_id);
1015  return AVERROR_INVALIDDATA;
1016  }
1017  h265->active_sps = sps;
1018 
1019  flag(dependent_slice_segments_enabled_flag);
1020  flag(output_flag_present_flag);
1021  u(3, num_extra_slice_header_bits, 0, 7);
1022  flag(sign_data_hiding_enabled_flag);
1023  flag(cabac_init_present_flag);
1024 
1025  ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1026  ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1027 
1028  se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
1029 
1030  flag(constrained_intra_pred_flag);
1031  flag(transform_skip_enabled_flag);
1032  flag(cu_qp_delta_enabled_flag);
1033  if (current->cu_qp_delta_enabled_flag)
1034  ue(diff_cu_qp_delta_depth,
1036  else
1037  infer(diff_cu_qp_delta_depth, 0);
1038 
1039  se(pps_cb_qp_offset, -12, +12);
1040  se(pps_cr_qp_offset, -12, +12);
1041  flag(pps_slice_chroma_qp_offsets_present_flag);
1042 
1043  flag(weighted_pred_flag);
1044  flag(weighted_bipred_flag);
1045 
1046  flag(transquant_bypass_enabled_flag);
1047  flag(tiles_enabled_flag);
1048  flag(entropy_coding_sync_enabled_flag);
1049 
1050  if (current->tiles_enabled_flag) {
1051  ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
1052  ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
1053  flag(uniform_spacing_flag);
1054  if (!current->uniform_spacing_flag) {
1055  for (i = 0; i < current->num_tile_columns_minus1; i++)
1056  ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i);
1057  for (i = 0; i < current->num_tile_rows_minus1; i++)
1058  ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i);
1059  }
1060  flag(loop_filter_across_tiles_enabled_flag);
1061  } else {
1062  infer(num_tile_columns_minus1, 0);
1063  infer(num_tile_rows_minus1, 0);
1064  }
1065 
1066  flag(pps_loop_filter_across_slices_enabled_flag);
1067  flag(deblocking_filter_control_present_flag);
1068  if (current->deblocking_filter_control_present_flag) {
1069  flag(deblocking_filter_override_enabled_flag);
1070  flag(pps_deblocking_filter_disabled_flag);
1071  if (!current->pps_deblocking_filter_disabled_flag) {
1072  se(pps_beta_offset_div2, -6, +6);
1073  se(pps_tc_offset_div2, -6, +6);
1074  } else {
1075  infer(pps_beta_offset_div2, 0);
1076  infer(pps_tc_offset_div2, 0);
1077  }
1078  } else {
1079  infer(deblocking_filter_override_enabled_flag, 0);
1080  infer(pps_deblocking_filter_disabled_flag, 0);
1081  infer(pps_beta_offset_div2, 0);
1082  infer(pps_tc_offset_div2, 0);
1083  }
1084 
1085  flag(pps_scaling_list_data_present_flag);
1086  if (current->pps_scaling_list_data_present_flag)
1087  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1088 
1089  flag(lists_modification_present_flag);
1090 
1091  ue(log2_parallel_merge_level_minus2,
1094 
1095  flag(slice_segment_header_extension_present_flag);
1096 
1097  flag(pps_extension_present_flag);
1098  if (current->pps_extension_present_flag) {
1099  flag(pps_range_extension_flag);
1100  flag(pps_multilayer_extension_flag);
1101  flag(pps_3d_extension_flag);
1102  flag(pps_scc_extension_flag);
1103  u(4, pps_extension_4bits, 0, MAX_UINT_BITS(4));
1104  }
1105  if (current->pps_range_extension_flag)
1106  CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1107  if (current->pps_multilayer_extension_flag)
1108  return AVERROR_PATCHWELCOME;
1109  if (current->pps_3d_extension_flag)
1110  return AVERROR_PATCHWELCOME;
1111  if (current->pps_scc_extension_flag)
1112  CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1113  if (current->pps_extension_4bits)
1114  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1115 
1117 
1118  return 0;
1119 }
1120 
1122  H265RawAUD *current)
1123 {
1124  int err;
1125 
1126  HEADER("Access Unit Delimiter");
1127 
1128  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1129 
1130  u(3, pic_type, 0, 2);
1131 
1133 
1134  return 0;
1135 }
1136 
1138  H265RawSliceHeader *current,
1139  unsigned int num_pic_total_curr)
1140 {
1141  unsigned int entry_size;
1142  int err, i;
1143 
1144  entry_size = av_log2(num_pic_total_curr - 1) + 1;
1145 
1146  flag(ref_pic_list_modification_flag_l0);
1147  if (current->ref_pic_list_modification_flag_l0) {
1148  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1149  us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1150  }
1151 
1152  if (current->slice_type == HEVC_SLICE_B) {
1153  flag(ref_pic_list_modification_flag_l1);
1154  if (current->ref_pic_list_modification_flag_l1) {
1155  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1156  us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1157  }
1158  }
1159 
1160  return 0;
1161 }
1162 
1164  H265RawSliceHeader *current)
1165 {
1167  const H265RawSPS *sps = h265->active_sps;
1168  int err, i, j;
1169  int chroma = !sps->separate_colour_plane_flag &&
1170  sps->chroma_format_idc != 0;
1171 
1172  ue(luma_log2_weight_denom, 0, 7);
1173  if (chroma)
1174  se(delta_chroma_log2_weight_denom, -7, 7);
1175  else
1176  infer(delta_chroma_log2_weight_denom, 0);
1177 
1178  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1179  if (1 /* is not same POC and same layer_id */)
1180  flags(luma_weight_l0_flag[i], 1, i);
1181  else
1182  infer(luma_weight_l0_flag[i], 0);
1183  }
1184  if (chroma) {
1185  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1186  if (1 /* is not same POC and same layer_id */)
1187  flags(chroma_weight_l0_flag[i], 1, i);
1188  else
1189  infer(chroma_weight_l0_flag[i], 0);
1190  }
1191  }
1192 
1193  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1194  if (current->luma_weight_l0_flag[i]) {
1195  ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1196  ses(luma_offset_l0[i],
1197  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1198  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1199  } else {
1200  infer(delta_luma_weight_l0[i], 0);
1201  infer(luma_offset_l0[i], 0);
1202  }
1203  if (current->chroma_weight_l0_flag[i]) {
1204  for (j = 0; j < 2; j++) {
1205  ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1206  ses(chroma_offset_l0[i][j],
1207  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1208  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1209  }
1210  } else {
1211  for (j = 0; j < 2; j++) {
1212  infer(delta_chroma_weight_l0[i][j], 0);
1213  infer(chroma_offset_l0[i][j], 0);
1214  }
1215  }
1216  }
1217 
1218  if (current->slice_type == HEVC_SLICE_B) {
1219  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1220  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1221  flags(luma_weight_l1_flag[i], 1, i);
1222  else
1223  infer(luma_weight_l1_flag[i], 0);
1224  }
1225  if (chroma) {
1226  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1227  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1228  flags(chroma_weight_l1_flag[i], 1, i);
1229  else
1230  infer(chroma_weight_l1_flag[i], 0);
1231  }
1232  }
1233 
1234  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1235  if (current->luma_weight_l1_flag[i]) {
1236  ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1237  ses(luma_offset_l1[i],
1238  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1239  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1240  } else {
1241  infer(delta_luma_weight_l1[i], 0);
1242  infer(luma_offset_l1[i], 0);
1243  }
1244  if (current->chroma_weight_l1_flag[i]) {
1245  for (j = 0; j < 2; j++) {
1246  ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1247  ses(chroma_offset_l1[i][j],
1248  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1249  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1250  }
1251  } else {
1252  for (j = 0; j < 2; j++) {
1253  infer(delta_chroma_weight_l1[i][j], 0);
1254  infer(chroma_offset_l1[i][j], 0);
1255  }
1256  }
1257  }
1258  }
1259 
1260  return 0;
1261 }
1262 
1264  H265RawSliceHeader *current)
1265 {
1267  const H265RawSPS *sps;
1268  const H265RawPPS *pps;
1269  unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1270  unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1271  unsigned int num_pic_total_curr = 0;
1272  int err, i;
1273 
1274  HEADER("Slice Segment Header");
1275 
1276  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1277 
1278  flag(first_slice_segment_in_pic_flag);
1279 
1280  if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1281  current->nal_unit_header.nal_unit_type <= HEVC_NAL_IRAP_VCL23)
1282  flag(no_output_of_prior_pics_flag);
1283 
1284  ue(slice_pic_parameter_set_id, 0, 63);
1285 
1286  pps = h265->pps[current->slice_pic_parameter_set_id];
1287  if (!pps) {
1288  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1289  current->slice_pic_parameter_set_id);
1290  return AVERROR_INVALIDDATA;
1291  }
1292  h265->active_pps = pps;
1293 
1294  sps = h265->sps[pps->pps_seq_parameter_set_id];
1295  if (!sps) {
1296  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1298  return AVERROR_INVALIDDATA;
1299  }
1300  h265->active_sps = sps;
1301 
1302  min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1303  ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1304  ctb_size_y = 1 << ctb_log2_size_y;
1305  pic_width_in_ctbs_y =
1306  (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1307  pic_height_in_ctbs_y =
1308  (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1309  pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1310 
1311  if (!current->first_slice_segment_in_pic_flag) {
1312  unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1314  flag(dependent_slice_segment_flag);
1315  else
1316  infer(dependent_slice_segment_flag, 0);
1317  u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1318  } else {
1319  infer(dependent_slice_segment_flag, 0);
1320  }
1321 
1322  if (!current->dependent_slice_segment_flag) {
1323  for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1324  flags(slice_reserved_flag[i], 1, i);
1325 
1326  ue(slice_type, 0, 2);
1327 
1328  if (pps->output_flag_present_flag)
1329  flag(pic_output_flag);
1330 
1331  if (sps->separate_colour_plane_flag)
1332  u(2, colour_plane_id, 0, 2);
1333 
1334  if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1335  current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1336  const H265RawSTRefPicSet *rps;
1337 
1338  u(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_LONG_TERM_REF_PICS);
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  us(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i],
1387  flags(used_by_curr_pic_lt_flag[i], 1, i);
1388  if (current->used_by_curr_pic_lt_flag[i])
1389  ++num_pic_total_curr;
1390  }
1391  flags(delta_poc_msb_present_flag[i], 1, i);
1392  if (current->delta_poc_msb_present_flag[i])
1393  ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1394  else
1395  infer(delta_poc_msb_cycle_lt[i], 0);
1396  }
1397  }
1398 
1400  flag(slice_temporal_mvp_enabled_flag);
1401  else
1402  infer(slice_temporal_mvp_enabled_flag, 0);
1403 
1405  ++num_pic_total_curr;
1406  }
1407 
1409  flag(slice_sao_luma_flag);
1410  if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1411  flag(slice_sao_chroma_flag);
1412  else
1413  infer(slice_sao_chroma_flag, 0);
1414  } else {
1415  infer(slice_sao_luma_flag, 0);
1416  infer(slice_sao_chroma_flag, 0);
1417  }
1418 
1419  if (current->slice_type == HEVC_SLICE_P ||
1420  current->slice_type == HEVC_SLICE_B) {
1421  flag(num_ref_idx_active_override_flag);
1422  if (current->num_ref_idx_active_override_flag) {
1423  ue(num_ref_idx_l0_active_minus1, 0, 14);
1424  if (current->slice_type == HEVC_SLICE_B)
1425  ue(num_ref_idx_l1_active_minus1, 0, 14);
1426  else
1427  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1428  } else {
1429  infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1430  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1431  }
1432 
1433  if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1434  CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1435  num_pic_total_curr));
1436 
1437  if (current->slice_type == HEVC_SLICE_B)
1438  flag(mvd_l1_zero_flag);
1439  if (pps->cabac_init_present_flag)
1440  flag(cabac_init_flag);
1441  else
1442  infer(cabac_init_flag, 0);
1443  if (current->slice_temporal_mvp_enabled_flag) {
1444  if (current->slice_type == HEVC_SLICE_B)
1445  flag(collocated_from_l0_flag);
1446  else
1447  infer(collocated_from_l0_flag, 1);
1448  if (current->collocated_from_l0_flag) {
1449  if (current->num_ref_idx_l0_active_minus1 > 0)
1450  ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1451  else
1452  infer(collocated_ref_idx, 0);
1453  } else {
1454  if (current->num_ref_idx_l1_active_minus1 > 0)
1455  ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1456  else
1457  infer(collocated_ref_idx, 0);
1458  }
1459  }
1460 
1461  if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1462  (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1463  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1464 
1465  ue(five_minus_max_num_merge_cand, 0, 4);
1467  flag(use_integer_mv_flag);
1468  else
1469  infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1470  }
1471 
1472  se(slice_qp_delta,
1473  - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1474  + 51 - (pps->init_qp_minus26 + 26));
1476  se(slice_cb_qp_offset, -12, +12);
1477  se(slice_cr_qp_offset, -12, +12);
1478  } else {
1479  infer(slice_cb_qp_offset, 0);
1480  infer(slice_cr_qp_offset, 0);
1481  }
1483  se(slice_act_y_qp_offset,
1484  -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1485  +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1486  se(slice_act_cb_qp_offset,
1487  -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1488  +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1489  se(slice_act_cr_qp_offset,
1490  -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1491  +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1492  } else {
1493  infer(slice_act_y_qp_offset, 0);
1494  infer(slice_act_cb_qp_offset, 0);
1495  infer(slice_act_cr_qp_offset, 0);
1496  }
1498  flag(cu_chroma_qp_offset_enabled_flag);
1499  else
1500  infer(cu_chroma_qp_offset_enabled_flag, 0);
1501 
1503  flag(deblocking_filter_override_flag);
1504  else
1505  infer(deblocking_filter_override_flag, 0);
1506  if (current->deblocking_filter_override_flag) {
1507  flag(slice_deblocking_filter_disabled_flag);
1508  if (!current->slice_deblocking_filter_disabled_flag) {
1509  se(slice_beta_offset_div2, -6, +6);
1510  se(slice_tc_offset_div2, -6, +6);
1511  } else {
1512  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1513  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1514  }
1515  } else {
1516  infer(slice_deblocking_filter_disabled_flag,
1518  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1519  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1520  }
1522  (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1523  !current->slice_deblocking_filter_disabled_flag))
1524  flag(slice_loop_filter_across_slices_enabled_flag);
1525  else
1526  infer(slice_loop_filter_across_slices_enabled_flag,
1528  }
1529 
1531  unsigned int num_entry_point_offsets_limit;
1533  num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1535  num_entry_point_offsets_limit =
1536  (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1537  else
1538  num_entry_point_offsets_limit =
1539  (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1540  ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1541 
1542  if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1543  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1544  "%"PRIu16".\n", current->num_entry_point_offsets);
1545  return AVERROR_PATCHWELCOME;
1546  }
1547 
1548  if (current->num_entry_point_offsets > 0) {
1549  ue(offset_len_minus1, 0, 31);
1550  for (i = 0; i < current->num_entry_point_offsets; i++)
1551  us(current->offset_len_minus1 + 1, entry_point_offset_minus1[i],
1552  0, MAX_UINT_BITS(current->offset_len_minus1 + 1), 1, i);
1553  }
1554  }
1555 
1557  ue(slice_segment_header_extension_length, 0, 256);
1558  for (i = 0; i < current->slice_segment_header_extension_length; i++)
1559  us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i);
1560  }
1561 
1562  CHECK(FUNC(byte_alignment)(ctx, rw));
1563 
1564  return 0;
1565 }
1566 
1568  H265RawSEIBufferingPeriod *current,
1569  uint32_t *payload_size)
1570 {
1572  const H265RawSPS *sps;
1573  const H265RawHRDParameters *hrd;
1574  int err, i, length;
1575 
1576 #ifdef READ
1577  int start_pos, end_pos, bits_left;
1578  start_pos = get_bits_count(rw);
1579 #endif
1580 
1581  HEADER("Buffering Period");
1582 
1583  ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1);
1584 
1585  sps = h265->sps[current->bp_seq_parameter_set_id];
1586  if (!sps) {
1587  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1588  current->bp_seq_parameter_set_id);
1589  return AVERROR_INVALIDDATA;
1590  }
1591  h265->active_sps = sps;
1592 
1593  if (!sps->vui_parameters_present_flag ||
1595  av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1596  "HRD parameters to be present in SPS.\n");
1597  return AVERROR_INVALIDDATA;
1598  }
1599  hrd = &sps->vui.hrd_parameters;
1600  if (!hrd->nal_hrd_parameters_present_flag &&
1602  av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1603  "NAL or VCL HRD parameters to be present.\n");
1604  return AVERROR_INVALIDDATA;
1605  }
1606 
1608  flag(irap_cpb_params_present_flag);
1609  else
1610  infer(irap_cpb_params_present_flag, 0);
1611  if (current->irap_cpb_params_present_flag) {
1612  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1613  u(length, cpb_delay_offset, 0, MAX_UINT_BITS(length));
1614  length = hrd->dpb_output_delay_length_minus1 + 1;
1615  u(length, dpb_delay_offset, 0, MAX_UINT_BITS(length));
1616  } else {
1617  infer(cpb_delay_offset, 0);
1618  infer(dpb_delay_offset, 0);
1619  }
1620 
1621  flag(concatenation_flag);
1622 
1623  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1624  u(length, au_cpb_removal_delay_delta_minus1, 0, MAX_UINT_BITS(length));
1625 
1627  for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1628  length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1629 
1630  us(length, nal_initial_cpb_removal_delay[i],
1631  0, MAX_UINT_BITS(length), 1, i);
1632  us(length, nal_initial_cpb_removal_offset[i],
1633  0, MAX_UINT_BITS(length), 1, i);
1634 
1636  current->irap_cpb_params_present_flag) {
1637  us(length, nal_initial_alt_cpb_removal_delay[i],
1638  0, MAX_UINT_BITS(length), 1, i);
1639  us(length, nal_initial_alt_cpb_removal_offset[i],
1640  0, MAX_UINT_BITS(length), 1, i);
1641  }
1642  }
1643  }
1645  for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1646  length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1647 
1648  us(length, vcl_initial_cpb_removal_delay[i],
1649  0, MAX_UINT_BITS(length), 1, i);
1650  us(length, vcl_initial_cpb_removal_offset[i],
1651  0, MAX_UINT_BITS(length), 1, i);
1652 
1654  current->irap_cpb_params_present_flag) {
1655  us(length, vcl_initial_alt_cpb_removal_delay[i],
1656  0, MAX_UINT_BITS(length), 1, i);
1657  us(length, vcl_initial_alt_cpb_removal_offset[i],
1658  0, MAX_UINT_BITS(length), 1, i);
1659  }
1660  }
1661  }
1662 
1663 #ifdef READ
1664  // payload_extension_present() - true if we are before the last 1-bit
1665  // in the payload structure, which must be in the last byte.
1666  end_pos = get_bits_count(rw);
1667  bits_left = *payload_size * 8 - (end_pos - start_pos);
1668  if (bits_left > 0 &&
1669  (bits_left > 7 || ff_ctz(show_bits(rw, bits_left)) < bits_left - 1))
1670  flag(use_alt_cpb_params_flag);
1671  else
1672  infer(use_alt_cpb_params_flag, 0);
1673 #else
1674  if (current->use_alt_cpb_params_flag)
1675  flag(use_alt_cpb_params_flag);
1676 #endif
1677 
1678  return 0;
1679 }
1680 
1682  H265RawSEIPicTiming *current)
1683 {
1685  const H265RawSPS *sps;
1686  const H265RawHRDParameters *hrd;
1687  int err, expected_source_scan_type, i, length;
1688 
1689  HEADER("Picture Timing");
1690 
1691  sps = h265->active_sps;
1692  if (!sps) {
1693  av_log(ctx->log_ctx, AV_LOG_ERROR,
1694  "No active SPS for pic_timing.\n");
1695  return AVERROR_INVALIDDATA;
1696  }
1697 
1698  expected_source_scan_type = 2 -
1701 
1703  u(4, pic_struct, 0, 12);
1704  u(2, source_scan_type,
1705  expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1706  expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1707  flag(duplicate_flag);
1708  } else {
1709  infer(pic_struct, 0);
1710  infer(source_scan_type,
1711  expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1712  infer(duplicate_flag, 0);
1713  }
1714 
1715  if (sps->vui_parameters_present_flag &&
1717  hrd = &sps->vui.hrd_parameters;
1718  else
1719  hrd = NULL;
1720  if (hrd && (hrd->nal_hrd_parameters_present_flag ||
1722  length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1723  u(length, au_cpb_removal_delay_minus1, 0, MAX_UINT_BITS(length));
1724 
1725  length = hrd->dpb_output_delay_length_minus1 + 1;
1726  u(length, pic_dpb_output_delay, 0, MAX_UINT_BITS(length));
1727 
1729  length = hrd->dpb_output_delay_du_length_minus1 + 1;
1730  u(length, pic_dpb_output_du_delay, 0, MAX_UINT_BITS(length));
1731  }
1732 
1735  // Each decoding unit must contain at least one slice segment.
1736  ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS);
1737  flag(du_common_cpb_removal_delay_flag);
1738 
1740  if (current->du_common_cpb_removal_delay_flag)
1741  u(length, du_common_cpb_removal_delay_increment_minus1,
1742  0, MAX_UINT_BITS(length));
1743 
1744  for (i = 0; i <= current->num_decoding_units_minus1; i++) {
1745  ues(num_nalus_in_du_minus1[i],
1746  0, HEVC_MAX_SLICE_SEGMENTS, 1, i);
1747  if (!current->du_common_cpb_removal_delay_flag &&
1748  i < current->num_decoding_units_minus1)
1749  us(length, du_cpb_removal_delay_increment_minus1[i],
1750  0, MAX_UINT_BITS(length), 1, i);
1751  }
1752  }
1753  }
1754 
1755  return 0;
1756 }
1757 
1759  H265RawSEIPanScanRect *current)
1760 {
1761  int err, i;
1762 
1763  HEADER("Pan-Scan Rectangle");
1764 
1765  ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
1766  flag(pan_scan_rect_cancel_flag);
1767 
1768  if (!current->pan_scan_rect_cancel_flag) {
1769  ue(pan_scan_cnt_minus1, 0, 2);
1770 
1771  for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
1772  ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1773  ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1774  ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1775  ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1776  }
1777 
1778  flag(pan_scan_rect_persistence_flag);
1779  }
1780 
1781  return 0;
1782 }
1783 
1786  uint32_t *payload_size)
1787 {
1788  int err, i, j;
1789 
1790  HEADER("User Data Registered ITU-T T.35");
1791 
1792  u(8, itu_t_t35_country_code, 0x00, 0xff);
1793  if (current->itu_t_t35_country_code != 0xff)
1794  i = 1;
1795  else {
1796  u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
1797  i = 2;
1798  }
1799 
1800 #ifdef READ
1801  if (*payload_size < i) {
1802  av_log(ctx->log_ctx, AV_LOG_ERROR,
1803  "Invalid SEI user data registered payload.\n");
1804  return AVERROR_INVALIDDATA;
1805  }
1806  current->data_length = *payload_size - i;
1807 #else
1808  *payload_size = i + current->data_length;
1809 #endif
1810 
1811  allocate(current->data, current->data_length);
1812  for (j = 0; j < current->data_length; j++)
1813  xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
1814 
1815  return 0;
1816 }
1817 
1820  uint32_t *payload_size)
1821 {
1822  int err, i;
1823 
1824  HEADER("User Data Unregistered");
1825 
1826 #ifdef READ
1827  if (*payload_size < 16) {
1828  av_log(ctx->log_ctx, AV_LOG_ERROR,
1829  "Invalid SEI user data unregistered payload.\n");
1830  return AVERROR_INVALIDDATA;
1831  }
1832  current->data_length = *payload_size - 16;
1833 #else
1834  *payload_size = 16 + current->data_length;
1835 #endif
1836 
1837  for (i = 0; i < 16; i++)
1838  us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
1839 
1840  allocate(current->data, current->data_length);
1841 
1842  for (i = 0; i < current->data_length; i++)
1843  xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
1844 
1845  return 0;
1846 }
1847 
1849  H265RawSEIRecoveryPoint *current)
1850 {
1851  int err;
1852 
1853  HEADER("Recovery Point");
1854 
1855  se(recovery_poc_cnt, -32768, 32767);
1856 
1857  flag(exact_match_flag);
1858  flag(broken_link_flag);
1859 
1860  return 0;
1861 }
1862 
1865 {
1866  int err;
1867 
1868  HEADER("Display Orientation");
1869 
1870  flag(display_orientation_cancel_flag);
1871  if (!current->display_orientation_cancel_flag) {
1872  flag(hor_flip);
1873  flag(ver_flip);
1874  u(16, anticlockwise_rotation, 0, 65535);
1875  flag(display_orientation_persistence_flag);
1876  }
1877 
1878  return 0;
1879 }
1880 
1883 {
1885  const H265RawVPS *vps;
1886  int err, i;
1887 
1888  HEADER("Active Parameter Sets");
1889 
1890  u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT);
1891  vps = h265->vps[current->active_video_parameter_set_id];
1892  if (!vps) {
1893  av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active "
1894  "parameter sets.\n", current->active_video_parameter_set_id);
1895  return AVERROR_INVALIDDATA;
1896  }
1897  h265->active_vps = vps;
1898 
1899  flag(self_contained_cvs_flag);
1900  flag(no_parameter_set_update_flag);
1901 
1902  ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1);
1903  for (i = 0; i <= current->num_sps_ids_minus1; i++)
1904  ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i);
1905 
1906  for (i = vps->vps_base_layer_internal_flag;
1907  i <= FFMIN(62, vps->vps_max_layers_minus1); i++) {
1908  ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
1909 
1910  if (i == 0)
1911  h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
1912  }
1913 
1914  return 0;
1915 }
1916 
1919 {
1921  const H265RawSPS *sps = h265->active_sps;
1922  int err, c, i;
1923 
1924  HEADER("Decoded Picture Hash");
1925 
1926  if (!sps) {
1927  av_log(ctx->log_ctx, AV_LOG_ERROR,
1928  "No active SPS for decoded picture hash.\n");
1929  return AVERROR_INVALIDDATA;
1930  }
1931 
1932  u(8, hash_type, 0, 2);
1933 
1934  for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) {
1935  if (current->hash_type == 0) {
1936  for (i = 0; i < 16; i++)
1937  us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
1938  } else if (current->hash_type == 1) {
1939  us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
1940  } else if (current->hash_type == 2) {
1941  us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
1942  }
1943  }
1944 
1945  return 0;
1946 }
1947 
1949  H265RawSEITimeCode *current)
1950 {
1951  int err, i;
1952 
1953  HEADER("Time Code");
1954 
1955  u(2, num_clock_ts, 1, 3);
1956 
1957  for (i = 0; i < current->num_clock_ts; i++) {
1958  flags(clock_timestamp_flag[i], 1, i);
1959 
1960  if (current->clock_timestamp_flag[i]) {
1961  flags(units_field_based_flag[i], 1, i);
1962  us(5, counting_type[i], 0, 6, 1, i);
1963  flags(full_timestamp_flag[i], 1, i);
1964  flags(discontinuity_flag[i], 1, i);
1965  flags(cnt_dropped_flag[i], 1, i);
1966 
1967  us(9, n_frames[i], 0, MAX_UINT_BITS(9), 1, i);
1968 
1969  if (current->full_timestamp_flag[i]) {
1970  us(6, seconds_value[i], 0, 59, 1, i);
1971  us(6, minutes_value[i], 0, 59, 1, i);
1972  us(5, hours_value[i], 0, 23, 1, i);
1973  } else {
1974  flags(seconds_flag[i], 1, i);
1975  if (current->seconds_flag[i]) {
1976  us(6, seconds_value[i], 0, 59, 1, i);
1977  flags(minutes_flag[i], 1, i);
1978  if (current->minutes_flag[i]) {
1979  us(6, minutes_value[i], 0, 59, 1, i);
1980  flags(hours_flag[i], 1, i);
1981  if (current->hours_flag[i])
1982  us(5, hours_value[i], 0, 23, 1, i);
1983  }
1984  }
1985  }
1986 
1987  us(5, time_offset_length[i], 0, 31, 1, i);
1988  if (current->time_offset_length[i] > 0)
1989  us(current->time_offset_length[i], time_offset_value[i],
1990  0, MAX_UINT_BITS(current->time_offset_length[i]), 1, i);
1991  }
1992  }
1993 
1994  return 0;
1995 }
1996 
1999 {
2000  int err, c;
2001 
2002  HEADER("Mastering Display Colour Volume");
2003 
2004  for (c = 0; c < 3; c++) {
2005  us(16, display_primaries_x[c], 0, 50000, 1, c);
2006  us(16, display_primaries_y[c], 0, 50000, 1, c);
2007  }
2008 
2009  u(16, white_point_x, 0, 50000);
2010  u(16, white_point_y, 0, 50000);
2011 
2012  u(32, max_display_mastering_luminance,
2013  1, MAX_UINT_BITS(32));
2014  u(32, min_display_mastering_luminance,
2015  0, current->max_display_mastering_luminance - 1);
2016 
2017  return 0;
2018 }
2019 
2022 {
2023  int err;
2024 
2025  HEADER("Content Light Level");
2026 
2027  u(16, max_content_light_level, 0, MAX_UINT_BITS(16));
2028  u(16, max_pic_average_light_level, 0, MAX_UINT_BITS(16));
2029 
2030  return 0;
2031 }
2032 
2034  RWContext *rw,
2036 {
2037  int err;
2038 
2039  HEADER("Alternative Transfer Characteristics");
2040 
2041  u(8, preferred_transfer_characteristics, 0, 255);
2042 
2043  return 0;
2044 }
2045 
2047  H265RawSEIPayload *current, int prefix)
2048 {
2049  int err, i;
2050  int start_position, end_position;
2051 
2052 #ifdef READ
2053  start_position = get_bits_count(rw);
2054 #else
2055  start_position = put_bits_count(rw);
2056 #endif
2057 
2058  switch (current->payload_type) {
2059 #define SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid) do { \
2060  if (prefix && !prefix_valid) { \
2061  av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
2062  "as prefix SEI!\n", #name); \
2063  return AVERROR_INVALIDDATA; \
2064  } \
2065  if (!prefix && !suffix_valid) { \
2066  av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
2067  "as suffix SEI!\n", #name); \
2068  return AVERROR_INVALIDDATA; \
2069  } \
2070  } while (0)
2071 #define SEI_TYPE_N(type, prefix_valid, suffix_valid, name) \
2072  case HEVC_SEI_TYPE_ ## type: \
2073  SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
2074  CHECK(FUNC(sei_ ## name)(ctx, rw, &current->payload.name)); \
2075  break
2076 #define SEI_TYPE_S(type, prefix_valid, suffix_valid, name) \
2077  case HEVC_SEI_TYPE_ ## type: \
2078  SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
2079  CHECK(FUNC(sei_ ## name)(ctx, rw, &current->payload.name, \
2080  &current->payload_size)); \
2081  break
2082 
2083  SEI_TYPE_S(BUFFERING_PERIOD, 1, 0, buffering_period);
2084  SEI_TYPE_N(PICTURE_TIMING, 1, 0, pic_timing);
2085  SEI_TYPE_N(PAN_SCAN_RECT, 1, 0, pan_scan_rect);
2086  SEI_TYPE_S(USER_DATA_REGISTERED_ITU_T_T35,
2087  1, 1, user_data_registered);
2088  SEI_TYPE_S(USER_DATA_UNREGISTERED, 1, 1, user_data_unregistered);
2089  SEI_TYPE_N(RECOVERY_POINT, 1, 0, recovery_point);
2090  SEI_TYPE_N(DISPLAY_ORIENTATION, 1, 0, display_orientation);
2091  SEI_TYPE_N(ACTIVE_PARAMETER_SETS, 1, 0, active_parameter_sets);
2092  SEI_TYPE_N(DECODED_PICTURE_HASH, 0, 1, decoded_picture_hash);
2093  SEI_TYPE_N(TIME_CODE, 1, 0, time_code);
2094  SEI_TYPE_N(MASTERING_DISPLAY_INFO, 1, 0, mastering_display);
2095  SEI_TYPE_N(CONTENT_LIGHT_LEVEL_INFO, 1, 0, content_light_level);
2096  SEI_TYPE_N(ALTERNATIVE_TRANSFER_CHARACTERISTICS,
2097  1, 0, alternative_transfer_characteristics);
2098 
2099 #undef SEI_TYPE
2100  default:
2101  {
2102 #ifdef READ
2103  current->payload.other.data_length = current->payload_size;
2104 #endif
2105  allocate(current->payload.other.data, current->payload.other.data_length);
2106 
2107  for (i = 0; i < current->payload_size; i++)
2108  xu(8, payload_byte[i], current->payload.other.data[i], 0, 255,
2109  1, i);
2110  }
2111  }
2112 
2113  if (byte_alignment(rw)) {
2114  fixed(1, bit_equal_to_one, 1);
2115  while (byte_alignment(rw))
2116  fixed(1, bit_equal_to_zero, 0);
2117  }
2118 
2119 #ifdef READ
2120  end_position = get_bits_count(rw);
2121  if (end_position < start_position + 8 * current->payload_size) {
2122  av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
2123  "header %"PRIu32" bits, actually %d bits.\n",
2124  8 * current->payload_size,
2125  end_position - start_position);
2126  return AVERROR_INVALIDDATA;
2127  }
2128 #else
2129  end_position = put_bits_count(rw);
2130  current->payload_size = (end_position - start_position) >> 3;
2131 #endif
2132 
2133  return 0;
2134 }
2135 
2137  H265RawSEI *current, int prefix)
2138 {
2139  int err, k;
2140 
2141  if (prefix)
2142  HEADER("Prefix Supplemental Enhancement Information");
2143  else
2144  HEADER("Suffix Supplemental Enhancement Information");
2145 
2146  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2147  prefix ? HEVC_NAL_SEI_PREFIX
2148  : HEVC_NAL_SEI_SUFFIX));
2149 
2150 #ifdef READ
2151  for (k = 0; k < H265_MAX_SEI_PAYLOADS; k++) {
2152  uint32_t payload_type = 0;
2153  uint32_t payload_size = 0;
2154  uint32_t tmp;
2155 
2156  while (show_bits(rw, 8) == 0xff) {
2157  fixed(8, ff_byte, 0xff);
2158  payload_type += 255;
2159  }
2160  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2161  payload_type += tmp;
2162 
2163  while (show_bits(rw, 8) == 0xff) {
2164  fixed(8, ff_byte, 0xff);
2165  payload_size += 255;
2166  }
2167  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
2168  payload_size += tmp;
2169 
2170  current->payload[k].payload_type = payload_type;
2171  current->payload[k].payload_size = payload_size;
2172 
2173  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k], prefix));
2174 
2176  break;
2177  }
2178  if (k >= H265_MAX_SEI_PAYLOADS) {
2179  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
2180  "SEI message: found %d.\n", k);
2181  return AVERROR_INVALIDDATA;
2182  }
2183  current->payload_count = k + 1;
2184 #else
2185  for (k = 0; k < current->payload_count; k++) {
2186  PutBitContext start_state;
2187  uint32_t tmp;
2188  int need_size, i;
2189 
2190  // Somewhat clumsy: we write the payload twice when
2191  // we don't know the size in advance. This will mess
2192  // with trace output, but is otherwise harmless.
2193  start_state = *rw;
2194  need_size = !current->payload[k].payload_size;
2195  for (i = 0; i < 1 + need_size; i++) {
2196  *rw = start_state;
2197 
2198  tmp = current->payload[k].payload_type;
2199  while (tmp >= 255) {
2200  fixed(8, ff_byte, 0xff);
2201  tmp -= 255;
2202  }
2203  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
2204 
2205  tmp = current->payload[k].payload_size;
2206  while (tmp >= 255) {
2207  fixed(8, ff_byte, 0xff);
2208  tmp -= 255;
2209  }
2210  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
2211 
2212  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k], prefix));
2213  }
2214  }
2215 #endif
2216 
2218 
2219  return 0;
2220 }
#define allocate(name, size)
Definition: cbs_h2645.c:385
#define NULL
Definition: coverity.c:32
#define ff_ctz
Definition: intmath.h:106
H265RawPPS * pps[HEVC_MAX_PPS_COUNT]
Definition: cbs_h265.h:727
#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:258
uint8_t deblocking_filter_override_enabled_flag
Definition: cbs_h265.h:397
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:367
#define fixed(width, name, value)
Definition: cbs_av1.c:589
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:173
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h265.h:110
uint8_t chroma_qp_offset_list_enabled_flag
Definition: cbs_h265.h:422
static int FUNC() sei_decoded_picture_hash(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIDecodedPictureHash *current)
uint8_t bit_depth_luma_minus8
Definition: cbs_h265.h:277
static int FUNC() sps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t frame_field_info_present_flag
Definition: cbs_h265.h:159
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
int8_t pps_act_y_qp_offset_plus5
Definition: cbs_h265.h:434
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPanScanRect *current)
#define RWContext
Definition: cbs_av1.c:684
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:261
int av_log2(unsigned v)
Definition: intmath.c:26
uint8_t tiles_enabled_flag
Definition: cbs_h265.h:385
H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]
Definition: cbs_h265.h:309
static int FUNC() slice_segment_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
H265RawProfileTierLevel profile_tier_level
Definition: cbs_h265.h:261
uint8_t pps_slice_chroma_qp_offsets_present_flag
Definition: cbs_h265.h:379
static int FUNC() pps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint8_t sample_adaptive_offset_enabled_flag
Definition: cbs_h265.h:299
uint8_t vui_parameters_present_flag
Definition: cbs_h265.h:319
uint8_t bit_depth_chroma_minus8
Definition: cbs_h265.h:278
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS]
Definition: cbs_h265.h:241
static int FUNC() extension_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawPSExtensionData *current)
uint16_t pic_height_in_luma_samples
Definition: cbs_h265.h:269
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:124
#define HEADER(name)
Definition: cbs_av1.c:556
#define MAX_UINT_BITS(length)
Definition: cbs_internal.h:86
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:253
uint8_t log2_max_pic_order_cnt_lsb_minus4
Definition: cbs_h265.h:280
H265RawSPS * sps[HEVC_MAX_SPS_COUNT]
Definition: cbs_h265.h:726
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:125
CHECK(-1) CHECK(-2)}}}}CHECK(1) CHECK(2)}}}}}if(diff0+diff1 > 0) temp-
#define ses(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:267
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:200
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:320
#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:433
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:256
uint8_t num_negative_pics
Definition: cbs_h265.h:238
GLsizei GLsizei * length
Definition: opengl_enc.c:115
uint8_t du_cpb_removal_delay_increment_length_minus1
Definition: cbs_h265.h:115
uint8_t general_interlaced_source_flag
Definition: cbs_h265.h:52
#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:199
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:85
uint8_t motion_vector_resolution_control_idc
Definition: cbs_h265.h:351
#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:172
uint8_t num_long_term_ref_pics_sps
Definition: cbs_h265.h:312
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:155
int8_t pps_beta_offset_div2
Definition: cbs_h265.h:399
uint8_t pps_deblocking_filter_disabled_flag
Definition: cbs_h265.h:398
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:443
static int FUNC() sei_active_parameter_sets(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIActiveParameterSets *current)
uint16_t pic_width_in_luma_samples
Definition: cbs_h265.h:268
int n
Definition: avisynth_c.h:684
uint8_t lists_modification_present_flag
Definition: cbs_h265.h:405
uint8_t log2_min_luma_coding_block_size_minus3
Definition: cbs_h265.h:287
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h265.h:111
uint8_t pps_seq_parameter_set_id
Definition: cbs_h265.h:359
uint8_t cabac_init_present_flag
Definition: cbs_h265.h:365
#define SEI_TYPE_N(type, prefix_valid, suffix_valid, name)
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:243
uint8_t num_extra_slice_header_bits
Definition: cbs_h265.h:363
const H265RawSPS * active_sps
Definition: cbs_h265.h:733
static int FUNC() scaling_list_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawScalingList *current)
uint8_t entropy_coding_sync_enabled_flag
Definition: cbs_h265.h:386
uint8_t output_flag_present_flag
Definition: cbs_h265.h:362
uint8_t weighted_bipred_flag
Definition: cbs_h265.h:382
uint8_t dependent_slice_segments_enabled_flag
Definition: cbs_h265.h:361
uint8_t sps_temporal_mvp_enabled_flag
Definition: cbs_h265.h:316
#define xu(width, name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:353
uint8_t pps_loop_filter_across_slices_enabled_flag
Definition: cbs_h265.h:395
uint8_t weighted_pred_flag
Definition: cbs_h265.h:381
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:460
Context structure for coded bitstream operations.
Definition: cbs.h:159
const H265RawVPS * active_vps
Definition: cbs_h265.h:732
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:265
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition: cbs_h2645.c:307
const H265RawPPS * active_pps
Definition: cbs_h265.h:734
uint8_t vps_base_layer_internal_flag
Definition: cbs_h265.h:197
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
#define flags(name, subs,...)
Definition: cbs_av1.c:584
uint8_t num_positive_pics
Definition: cbs_h265.h:239
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:51
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
#define flag(name)
Definition: cbs_av1.c:576
static double c[64]
uint8_t num_tile_rows_minus1
Definition: cbs_h265.h:389
static int FUNC() sei_pic_timing(CodedBitstreamContext *ctx, RWContext *rw, H265RawSEIPicTiming *current)
int8_t pps_act_cb_qp_offset_plus5
Definition: cbs_h265.h:435
uint8_t sub_pic_hrd_params_present_flag
Definition: cbs_h265.h:113
uint8_t num_tile_columns_minus1
Definition: cbs_h265.h:388
uint8_t log2_diff_max_min_luma_coding_block_size
Definition: cbs_h265.h:288
uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag
Definition: cbs_h265.h:116
uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:131
uint8_t dpb_output_delay_du_length_minus1
Definition: cbs_h265.h:117
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS]
Definition: cbs_h265.h:314
void * priv_data
Format private data.
Definition: avformat.h:1379
uint8_t num_short_term_ref_pic_sets
Definition: cbs_h265.h:308
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t vps_temporal_id_nesting_flag
Definition: cbs_h265.h:201
int8_t pps_tc_offset_div2
Definition: cbs_h265.h:400
void INT64 start
Definition: avisynth_c.h:690
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)
int8_t init_qp_minus26
Definition: cbs_h265.h:370
uint8_t pps_curr_pic_ref_enabled_flag
Definition: cbs_h265.h:431
uint8_t slice_segment_header_extension_present_flag
Definition: cbs_h265.h:408
#define infer(name, value)
Definition: cbs_av1.c:729
H265RawVPS * vps[HEVC_MAX_VPS_COUNT]
Definition: cbs_h265.h:725
uint8_t separate_colour_plane_flag
Definition: cbs_h265.h:266
uint8_t initial_cpb_removal_delay_length_minus1
Definition: cbs_h265.h:123
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t long_term_ref_pics_present_flag
Definition: cbs_h265.h:311
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:265
int8_t pps_act_cr_qp_offset_plus3
Definition: cbs_h265.h:436
uint8_t num_ref_idx_l1_default_active_minus1
Definition: cbs_h265.h:368
static uint8_t tmp[11]
Definition: aes_ctr.c:26