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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  av_unused int one = 1, zero = 0;
23  xu(1, rbsp_stop_one_bit, one, 1, 1);
24  while (byte_alignment(rw) != 0)
25  xu(1, rbsp_alignment_zero_bit, zero, 0, 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  av_unused int one = 1, zero = 0;
54  xu(1, alignment_bit_equal_to_one, one, 1, 1);
55  while (byte_alignment(rw) != 0)
56  xu(1, alignment_bit_equal_to_zero, zero, 0, 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);
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);
84 #endif
85  return 0;
86 }
87 
89  H265RawProfileTierLevel *current,
90  int profile_present_flag,
91  int max_num_sub_layers_minus1)
92 {
93  av_unused unsigned int zero = 0;
94  int err, i, j;
95 
96  if (profile_present_flag) {
97  u(2, general_profile_space, 0, 0);
98  flag(general_tier_flag);
99  u(5, general_profile_idc, 0, 31);
100 
101  for (j = 0; j < 32; j++)
102  flag(general_profile_compatibility_flag[j]);
103 
104  flag(general_progressive_source_flag);
105  flag(general_interlaced_source_flag);
106  flag(general_non_packed_constraint_flag);
107  flag(general_frame_only_constraint_flag);
108 
109 #define profile_compatible(x) (current->general_profile_idc == (x) || \
110  current->general_profile_compatibility_flag[x])
111  if (profile_compatible(4) || profile_compatible(5) ||
114  profile_compatible(10)) {
115  flag(general_max_12bit_constraint_flag);
116  flag(general_max_10bit_constraint_flag);
117  flag(general_max_8bit_constraint_flag);
118  flag(general_max_422chroma_constraint_flag);
119  flag(general_max_420chroma_constraint_flag);
120  flag(general_max_monochrome_constraint_flag);
121  flag(general_intra_constraint_flag);
122  flag(general_one_picture_only_constraint_flag);
123  flag(general_lower_bit_rate_constraint_flag);
124 
125  if (profile_compatible(5) || profile_compatible(9) ||
126  profile_compatible(10)) {
127  flag(general_max_14bit_constraint_flag);
128  xu(24, general_reserved_zero_33bits, zero, 0, 0);
129  xu(9, general_reserved_zero_33bits, zero, 0, 0);
130  } else {
131  xu(24, general_reserved_zero_34bits, zero, 0, 0);
132  xu(10, general_reserved_zero_34bits, zero, 0, 0);
133  }
134  } else {
135  xu(24, general_reserved_zero_43bits, zero, 0, 0);
136  xu(19, general_reserved_zero_43bits, zero, 0, 0);
137  }
138 
139  if (profile_compatible(1) || profile_compatible(2) ||
142  flag(general_inbld_flag);
143  } else {
144  xu(1, general_reserved_zero_bit, zero, 0, 0);
145  }
146 #undef profile_compatible
147  }
148 
149  u(8, general_level_idc, 0, 255);
150 
151  for (i = 0; i < max_num_sub_layers_minus1; i++) {
152  flag(sub_layer_profile_present_flag[i]);
153  flag(sub_layer_level_present_flag[i]);
154  }
155 
156  if (max_num_sub_layers_minus1 > 0) {
157  for (i = max_num_sub_layers_minus1; i < 8; i++) {
158  av_unused int zero = 0;
159  xu(2, reserved_zero_2bits, zero, 0, 0);
160  }
161  }
162 
163  for (i = 0; i < max_num_sub_layers_minus1; i++) {
164  if (current->sub_layer_profile_present_flag[i])
165  return AVERROR_PATCHWELCOME;
166  if (current->sub_layer_level_present_flag[i])
167  return AVERROR_PATCHWELCOME;
168  }
169 
170  return 0;
171 }
172 
175  int nal, int sub_layer_id)
176 {
178  int err, i;
179 
180  if (nal)
181  current = &hrd->nal_sub_layer_hrd_parameters[sub_layer_id];
182  else
183  current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id];
184 
185  for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) {
186  ue(bit_rate_value_minus1[i], 0, UINT32_MAX - 1);
187  ue(cpb_size_value_minus1[i], 0, UINT32_MAX - 1);
188  if (hrd->sub_pic_hrd_params_present_flag) {
189  ue(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1);
190  ue(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1);
191  }
192  flag(cbr_flag[i]);
193  }
194 
195  return 0;
196 }
197 
199  H265RawHRDParameters *current, int common_inf_present_flag,
200  int max_num_sub_layers_minus1)
201 {
202  int err, i;
203 
204  if (common_inf_present_flag) {
205  flag(nal_hrd_parameters_present_flag);
206  flag(vcl_hrd_parameters_present_flag);
207 
208  if (current->nal_hrd_parameters_present_flag ||
209  current->vcl_hrd_parameters_present_flag) {
210  flag(sub_pic_hrd_params_present_flag);
211  if (current->sub_pic_hrd_params_present_flag) {
212  u(8, tick_divisor_minus2, 0, 255);
213  u(5, du_cpb_removal_delay_increment_length_minus1, 0, 31);
214  flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
215  u(5, dpb_output_delay_du_length_minus1, 0, 31);
216  }
217 
218  u(4, bit_rate_scale, 0, 15);
219  u(4, cpb_size_scale, 0, 15);
220  if (current->sub_pic_hrd_params_present_flag)
221  u(4, cpb_size_du_scale, 0, 15);
222 
223  u(5, initial_cpb_removal_delay_length_minus1, 0, 31);
224  u(5, au_cpb_removal_delay_length_minus1, 0, 31);
225  u(5, dpb_output_delay_length_minus1, 0, 31);
226  } else {
227  infer(sub_pic_hrd_params_present_flag, 0);
228 
229  infer(initial_cpb_removal_delay_length_minus1, 23);
230  infer(au_cpb_removal_delay_length_minus1, 23);
231  infer(dpb_output_delay_length_minus1, 23);
232  }
233  }
234 
235  for (i = 0; i <= max_num_sub_layers_minus1; i++) {
236  flag(fixed_pic_rate_general_flag[i]);
237 
238  if (!current->fixed_pic_rate_general_flag[i])
239  flag(fixed_pic_rate_within_cvs_flag[i]);
240  else
241  infer(fixed_pic_rate_within_cvs_flag[i], 1);
242 
243  if (current->fixed_pic_rate_within_cvs_flag[i]) {
244  ue(elemental_duration_in_tc_minus1[i], 0, 2047);
245  infer(low_delay_hrd_flag[i], 0);
246  } else
247  flag(low_delay_hrd_flag[i]);
248 
249  if (!current->low_delay_hrd_flag[i])
250  ue(cpb_cnt_minus1[i], 0, 31);
251  else
252  infer(cpb_cnt_minus1[i], 0);
253 
254  if (current->nal_hrd_parameters_present_flag)
255  CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 0, i));
256  if (current->vcl_hrd_parameters_present_flag)
257  CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 1, i));
258  }
259 
260  return 0;
261 }
262 
264  H265RawVUI *current, const H265RawSPS *sps)
265 {
266  int err;
267 
268  flag(aspect_ratio_info_present_flag);
269  if (current->aspect_ratio_info_present_flag) {
270  u(8, aspect_ratio_idc, 0, 255);
271  if (current->aspect_ratio_idc == 255) {
272  u(16, sar_width, 0, 65535);
273  u(16, sar_height, 0, 65535);
274  }
275  } else {
276  infer(aspect_ratio_idc, 0);
277  }
278 
279  flag(overscan_info_present_flag);
280  if (current->overscan_info_present_flag)
281  flag(overscan_appropriate_flag);
282 
283  flag(video_signal_type_present_flag);
284  if (current->video_signal_type_present_flag) {
285  u(3, video_format, 0, 7);
286  flag(video_full_range_flag);
287  flag(colour_description_present_flag);
288  if (current->colour_description_present_flag) {
289  u(8, colour_primaries, 0, 255);
290  u(8, transfer_characteristics, 0, 255);
291  u(8, matrix_coefficients, 0, 255);
292  } else {
293  infer(colour_primaries, 2);
295  infer(matrix_coefficients, 2);
296  }
297  } else {
298  infer(video_format, 5);
299  infer(video_full_range_flag, 0);
300  infer(colour_primaries, 2);
302  infer(matrix_coefficients, 2);
303  }
304 
305  flag(chroma_loc_info_present_flag);
306  if (current->chroma_loc_info_present_flag) {
307  ue(chroma_sample_loc_type_top_field, 0, 5);
308  ue(chroma_sample_loc_type_bottom_field, 0, 5);
309  } else {
310  infer(chroma_sample_loc_type_top_field, 0);
311  infer(chroma_sample_loc_type_bottom_field, 0);
312  }
313 
314  flag(neutral_chroma_indication_flag);
315  flag(field_seq_flag);
316  flag(frame_field_info_present_flag);
317 
318  flag(default_display_window_flag);
319  if (current->default_display_window_flag) {
320  ue(def_disp_win_left_offset, 0, 16384);
321  ue(def_disp_win_right_offset, 0, 16384);
322  ue(def_disp_win_top_offset, 0, 16384);
323  ue(def_disp_win_bottom_offset, 0, 16384);
324  }
325 
326  flag(vui_timing_info_present_flag);
327  if (current->vui_timing_info_present_flag) {
328  u(32, vui_num_units_in_tick, 1, UINT32_MAX);
329  u(32, vui_time_scale, 1, UINT32_MAX);
330  flag(vui_poc_proportional_to_timing_flag);
331  if (current->vui_poc_proportional_to_timing_flag)
332  ue(vui_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
333 
334  flag(vui_hrd_parameters_present_flag);
335  if (current->vui_hrd_parameters_present_flag) {
336  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters,
337  1, sps->sps_max_sub_layers_minus1));
338  }
339  }
340 
341  flag(bitstream_restriction_flag);
342  if (current->bitstream_restriction_flag) {
343  flag(tiles_fixed_structure_flag);
344  flag(motion_vectors_over_pic_boundaries_flag);
345  flag(restricted_ref_pic_lists_flag);
346  ue(min_spatial_segmentation_idc, 0, 4095);
347  ue(max_bytes_per_pic_denom, 0, 16);
348  ue(max_bits_per_min_cu_denom, 0, 16);
349  ue(log2_max_mv_length_horizontal, 0, 16);
350  ue(log2_max_mv_length_vertical, 0, 16);
351  } else {
352  infer(tiles_fixed_structure_flag, 0);
353  infer(motion_vectors_over_pic_boundaries_flag, 1);
354  infer(min_spatial_segmentation_idc, 0);
355  infer(max_bytes_per_pic_denom, 2);
356  infer(max_bits_per_min_cu_denom, 1);
357  infer(log2_max_mv_length_horizontal, 15);
358  infer(log2_max_mv_length_vertical, 15);
359  }
360 
361  return 0;
362 }
363 
365  H265RawVPS *current)
366 {
367  int err, i, j;
368 
369  HEADER("Video Parameter Set");
370 
371  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_VPS));
372 
373  u(4, vps_video_parameter_set_id, 0, 15);
374 
375  flag(vps_base_layer_internal_flag);
376  flag(vps_base_layer_available_flag);
377  u(6, vps_max_layers_minus1, 0, HEVC_MAX_LAYERS - 1);
378  u(3, vps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
379  flag(vps_temporal_id_nesting_flag);
380 
381  if (current->vps_max_sub_layers_minus1 == 0 &&
382  current->vps_temporal_id_nesting_flag != 1) {
383  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
384  "vps_temporal_id_nesting_flag must be 1 if "
385  "vps_max_sub_layers_minus1 is 0.\n");
386  return AVERROR_INVALIDDATA;
387  }
388 
389  {
390  av_unused uint16_t ffff = 0xffff;
391  xu(16, vps_reserved_0xffff_16bits, ffff, 0xffff, 0xffff);
392  }
393 
394  CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
395  1, current->vps_max_sub_layers_minus1));
396 
397  flag(vps_sub_layer_ordering_info_present_flag);
398  for (i = (current->vps_sub_layer_ordering_info_present_flag ?
399  0 : current->vps_max_sub_layers_minus1);
400  i <= current->vps_max_sub_layers_minus1; i++) {
401  ue(vps_max_dec_pic_buffering_minus1[i], 0, HEVC_MAX_DPB_SIZE - 1);
402  ue(vps_max_num_reorder_pics[i], 0, current->vps_max_dec_pic_buffering_minus1[i]);
403  ue(vps_max_latency_increase_plus1[i], 0, UINT32_MAX - 1);
404  }
405  if (!current->vps_sub_layer_ordering_info_present_flag) {
406  for (i = 0; i < current->vps_max_sub_layers_minus1; i++) {
407  infer(vps_max_dec_pic_buffering_minus1[i],
408  current->vps_max_dec_pic_buffering_minus1[current->vps_max_sub_layers_minus1]);
409  infer(vps_max_num_reorder_pics[i],
410  current->vps_max_num_reorder_pics[current->vps_max_sub_layers_minus1]);
411  infer(vps_max_latency_increase_plus1[i],
412  current->vps_max_latency_increase_plus1[current->vps_max_sub_layers_minus1]);
413  }
414  }
415 
416  u(6, vps_max_layer_id, 0, HEVC_MAX_LAYERS - 1);
417  ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1);
418  for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) {
419  for (j = 0; j <= current->vps_max_layer_id; j++)
420  flag(layer_id_included_flag[i][j]);
421  }
422  for (j = 0; j <= current->vps_max_layer_id; j++)
423  infer(layer_id_included_flag[0][j], j == 0);
424 
425  flag(vps_timing_info_present_flag);
426  if (current->vps_timing_info_present_flag) {
427  u(32, vps_num_units_in_tick, 1, UINT32_MAX);
428  u(32, vps_time_scale, 1, UINT32_MAX);
429  flag(vps_poc_proportional_to_timing_flag);
430  if (current->vps_poc_proportional_to_timing_flag)
431  ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
432  ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1);
433  for (i = 0; i < current->vps_num_hrd_parameters; i++) {
434  ue(hrd_layer_set_idx[i],
435  current->vps_base_layer_internal_flag ? 0 : 1,
436  current->vps_num_layer_sets_minus1);
437  if (i > 0)
438  flag(cprms_present_flag[i]);
439  else
440  infer(cprms_present_flag[0], 1);
441 
442  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters[i],
443  current->cprms_present_flag[i],
444  current->vps_max_sub_layers_minus1));
445  }
446  }
447 
448  flag(vps_extension_flag);
449  if (current->vps_extension_flag)
450  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
451 
453 
454  return 0;
455 }
456 
458  H265RawSTRefPicSet *current, int st_rps_idx,
459  const H265RawSPS *sps)
460 {
461  int err, i, j;
462 
463  if (st_rps_idx != 0)
464  flag(inter_ref_pic_set_prediction_flag);
465  else
466  infer(inter_ref_pic_set_prediction_flag, 0);
467 
468  if (current->inter_ref_pic_set_prediction_flag) {
469  unsigned int ref_rps_idx, num_delta_pocs;
470  const H265RawSTRefPicSet *ref;
471  int delta_rps, d_poc;
472  int ref_delta_poc_s0[HEVC_MAX_REFS], ref_delta_poc_s1[HEVC_MAX_REFS];
473  int delta_poc_s0[HEVC_MAX_REFS], delta_poc_s1[HEVC_MAX_REFS];
474  uint8_t used_by_curr_pic_s0[HEVC_MAX_REFS],
475  used_by_curr_pic_s1[HEVC_MAX_REFS];
476 
477  if (st_rps_idx == sps->num_short_term_ref_pic_sets)
478  ue(delta_idx_minus1, 0, st_rps_idx - 1);
479  else
480  infer(delta_idx_minus1, 0);
481 
482  ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
483  ref = &sps->st_ref_pic_set[ref_rps_idx];
484  num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
485 
486  flag(delta_rps_sign);
487  ue(abs_delta_rps_minus1, 0, INT16_MAX);
488  delta_rps = (1 - 2 * current->delta_rps_sign) *
489  (current->abs_delta_rps_minus1 + 1);
490 
491  for (j = 0; j <= num_delta_pocs; j++) {
492  flag(used_by_curr_pic_flag[j]);
493  if (!current->used_by_curr_pic_flag[j])
494  flag(use_delta_flag[j]);
495  else
496  infer(use_delta_flag[j], 1);
497  }
498 
499  // Since the stored form of an RPS here is actually the delta-step
500  // form used when inter_ref_pic_set_prediction_flag is not set, we
501  // need to reconstruct that here in order to be able to refer to
502  // the RPS later (which is required for parsing, because we don't
503  // even know what syntax elements appear without it). Therefore,
504  // this code takes the delta-step form of the reference set, turns
505  // it into the delta-array form, applies the prediction process of
506  // 7.4.8, converts the result back to the delta-step form, and
507  // stores that as the current set for future use. Note that the
508  // inferences here mean that writers using prediction will need
509  // to fill in the delta-step values correctly as well - since the
510  // whole RPS prediction process is somewhat overly sophisticated,
511  // this hopefully forms a useful check for them to ensure their
512  // predicted form actually matches what was intended rather than
513  // an onerous additional requirement.
514 
515  d_poc = 0;
516  for (i = 0; i < ref->num_negative_pics; i++) {
517  d_poc -= ref->delta_poc_s0_minus1[i] + 1;
518  ref_delta_poc_s0[i] = d_poc;
519  }
520  d_poc = 0;
521  for (i = 0; i < ref->num_positive_pics; i++) {
522  d_poc += ref->delta_poc_s1_minus1[i] + 1;
523  ref_delta_poc_s1[i] = d_poc;
524  }
525 
526  i = 0;
527  for (j = ref->num_positive_pics - 1; j >= 0; j--) {
528  d_poc = ref_delta_poc_s1[j] + delta_rps;
529  if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
530  delta_poc_s0[i] = d_poc;
531  used_by_curr_pic_s0[i++] =
532  current->used_by_curr_pic_flag[ref->num_negative_pics + j];
533  }
534  }
535  if (delta_rps < 0 && current->use_delta_flag[num_delta_pocs]) {
536  delta_poc_s0[i] = delta_rps;
537  used_by_curr_pic_s0[i++] =
538  current->used_by_curr_pic_flag[num_delta_pocs];
539  }
540  for (j = 0; j < ref->num_negative_pics; j++) {
541  d_poc = ref_delta_poc_s0[j] + delta_rps;
542  if (d_poc < 0 && current->use_delta_flag[j]) {
543  delta_poc_s0[i] = d_poc;
544  used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
545  }
546  }
547 
548  infer(num_negative_pics, i);
549  for (i = 0; i < current->num_negative_pics; i++) {
550  infer(delta_poc_s0_minus1[i],
551  -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
552  infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
553  }
554 
555  i = 0;
556  for (j = ref->num_negative_pics - 1; j >= 0; j--) {
557  d_poc = ref_delta_poc_s0[j] + delta_rps;
558  if (d_poc > 0 && current->use_delta_flag[j]) {
559  delta_poc_s1[i] = d_poc;
560  used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
561  }
562  }
563  if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
564  delta_poc_s1[i] = delta_rps;
565  used_by_curr_pic_s1[i++] =
566  current->used_by_curr_pic_flag[num_delta_pocs];
567  }
568  for (j = 0; j < ref->num_positive_pics; j++) {
569  d_poc = ref_delta_poc_s1[j] + delta_rps;
570  if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
571  delta_poc_s1[i] = d_poc;
572  used_by_curr_pic_s1[i++] =
573  current->used_by_curr_pic_flag[ref->num_negative_pics + j];
574  }
575  }
576 
577  infer(num_positive_pics, i);
578  for (i = 0; i < current->num_positive_pics; i++) {
579  infer(delta_poc_s1_minus1[i],
580  delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
581  infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
582  }
583 
584  } else {
585  ue(num_negative_pics, 0, 15);
586  ue(num_positive_pics, 0, 15 - current->num_negative_pics);
587 
588  for (i = 0; i < current->num_negative_pics; i++) {
589  ue(delta_poc_s0_minus1[i], 0, INT16_MAX);
590  flag(used_by_curr_pic_s0_flag[i]);
591  }
592 
593  for (i = 0; i < current->num_positive_pics; i++) {
594  ue(delta_poc_s1_minus1[i], 0, INT16_MAX);
595  flag(used_by_curr_pic_s1_flag[i]);
596  }
597  }
598 
599  return 0;
600 }
601 
603  H265RawScalingList *current)
604 {
605  int sizeId, matrixId;
606  int err, n, i;
607 
608  for (sizeId = 0; sizeId < 4; sizeId++) {
609  for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
610  flag(scaling_list_pred_mode_flag[sizeId][matrixId]);
611  if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
612  ue(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
613  0, sizeId == 3 ? matrixId / 3 : matrixId);
614  } else {
615  n = FFMIN(64, 1 << (4 + (sizeId << 1)));
616  if (sizeId > 1)
617  se(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247);
618  for (i = 0; i < n; i++) {
619  xse(scaling_list_delta_coeff,
620  current->scaling_list_delta_coeff[sizeId][matrixId][i],
621  -128, +127);
622  }
623  }
624  }
625  }
626 
627  return 0;
628 }
629 
631  H265RawSPS *current)
632 {
633  int err;
634 
635  flag(transform_skip_rotation_enabled_flag);
636  flag(transform_skip_context_enabled_flag);
637  flag(implicit_rdpcm_enabled_flag);
638  flag(explicit_rdpcm_enabled_flag);
639  flag(extended_precision_processing_flag);
640  flag(intra_smoothing_disabled_flag);
641  flag(high_precision_offsets_enabled_flag);
642  flag(persistent_rice_adaptation_enabled_flag);
643  flag(cabac_bypass_alignment_enabled_flag);
644 
645  return 0;
646 }
647 
649  H265RawSPS *current)
650 {
651  int err, comp, i;
652 
653  flag(sps_curr_pic_ref_enabled_flag);
654 
655  flag(palette_mode_enabled_flag);
656  if (current->palette_mode_enabled_flag) {
657  ue(palette_max_size, 0, 64);
658  ue(delta_palette_max_predictor_size, 0, 128);
659 
660  flag(sps_palette_predictor_initializer_present_flag);
661  if (current->sps_palette_predictor_initializer_present_flag) {
662  ue(sps_num_palette_predictor_initializer_minus1, 0, 128);
663  for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
664  int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
665  : current->bit_depth_chroma_minus8 + 8;
666  for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
667  u(bit_depth, sps_palette_predictor_initializers[comp][i],
668  0, (1 << bit_depth) - 1);
669  }
670  }
671  }
672 
673  u(2, motion_vector_resolution_control_idc, 0, 2);
674  flag(intra_boundary_filtering_disable_flag);
675 
676  return 0;
677 }
678 
680  H265RawSPS *current)
681 {
683  const H265RawVPS *vps;
684  int err, i;
685  unsigned int min_cb_log2_size_y, ctb_log2_size_y,
686  min_cb_size_y, min_tb_log2_size_y;
687 
688  HEADER("Sequence Parameter Set");
689 
690  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
691 
692  u(4, sps_video_parameter_set_id, 0, 15);
693  h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
694 
695  u(3, sps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
696  flag(sps_temporal_id_nesting_flag);
697  if (vps) {
698  if (vps->vps_max_sub_layers_minus1 > current->sps_max_sub_layers_minus1) {
699  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
700  "sps_max_sub_layers_minus1 (%d) must be less than or equal to "
701  "vps_max_sub_layers_minus1 (%d).\n",
703  current->sps_max_sub_layers_minus1);
704  return AVERROR_INVALIDDATA;
705  }
706  if (vps->vps_temporal_id_nesting_flag &&
707  !current->sps_temporal_id_nesting_flag) {
708  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
709  "sps_temporal_id_nesting_flag must be 1 if "
710  "vps_temporal_id_nesting_flag is 1.\n");
711  return AVERROR_INVALIDDATA;
712  }
713  }
714 
715  CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
716  1, current->sps_max_sub_layers_minus1));
717 
718  ue(sps_seq_parameter_set_id, 0, 15);
719 
720  ue(chroma_format_idc, 0, 3);
721  if (current->chroma_format_idc == 3)
722  flag(separate_colour_plane_flag);
723  else
724  infer(separate_colour_plane_flag, 0);
725 
726  ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
727  ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
728 
729  flag(conformance_window_flag);
730  if (current->conformance_window_flag) {
731  ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
732  ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
733  ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
734  ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
735  } else {
736  infer(conf_win_left_offset, 0);
737  infer(conf_win_right_offset, 0);
738  infer(conf_win_top_offset, 0);
739  infer(conf_win_bottom_offset, 0);
740  }
741 
742  ue(bit_depth_luma_minus8, 0, 8);
743  ue(bit_depth_chroma_minus8, 0, 8);
744 
745  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
746 
747  flag(sps_sub_layer_ordering_info_present_flag);
748  for (i = (current->sps_sub_layer_ordering_info_present_flag ?
749  0 : current->sps_max_sub_layers_minus1);
750  i <= current->sps_max_sub_layers_minus1; i++) {
751  ue(sps_max_dec_pic_buffering_minus1[i], 0, HEVC_MAX_DPB_SIZE - 1);
752  ue(sps_max_num_reorder_pics[i], 0, current->sps_max_dec_pic_buffering_minus1[i]);
753  ue(sps_max_latency_increase_plus1[i], 0, UINT32_MAX - 1);
754  }
755  if (!current->sps_sub_layer_ordering_info_present_flag) {
756  for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
757  infer(sps_max_dec_pic_buffering_minus1[i],
758  current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
759  infer(sps_max_num_reorder_pics[i],
760  current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
761  infer(sps_max_latency_increase_plus1[i],
762  current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
763  }
764  }
765 
766  ue(log2_min_luma_coding_block_size_minus3, 0, 3);
767  min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
768 
769  ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
770  ctb_log2_size_y = min_cb_log2_size_y +
771  current->log2_diff_max_min_luma_coding_block_size;
772 
773  min_cb_size_y = 1 << min_cb_log2_size_y;
774  if (current->pic_width_in_luma_samples % min_cb_size_y ||
775  current->pic_height_in_luma_samples % min_cb_size_y) {
776  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
777  "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
778  current->pic_height_in_luma_samples, min_cb_size_y);
779  return AVERROR_INVALIDDATA;
780  }
781 
782  ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
783  min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
784 
785  ue(log2_diff_max_min_luma_transform_block_size,
786  0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
787 
788  ue(max_transform_hierarchy_depth_inter,
789  0, ctb_log2_size_y - min_tb_log2_size_y);
790  ue(max_transform_hierarchy_depth_intra,
791  0, ctb_log2_size_y - min_tb_log2_size_y);
792 
793  flag(scaling_list_enabled_flag);
794  if (current->scaling_list_enabled_flag) {
795  flag(sps_scaling_list_data_present_flag);
796  if (current->sps_scaling_list_data_present_flag)
797  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
798  } else {
799  infer(sps_scaling_list_data_present_flag, 0);
800  }
801 
802  flag(amp_enabled_flag);
803  flag(sample_adaptive_offset_enabled_flag);
804 
805  flag(pcm_enabled_flag);
806  if (current->pcm_enabled_flag) {
807  u(4, pcm_sample_bit_depth_luma_minus1,
808  0, current->bit_depth_luma_minus8 + 8 - 1);
809  u(4, pcm_sample_bit_depth_chroma_minus1,
810  0, current->bit_depth_chroma_minus8 + 8 - 1);
811 
812  ue(log2_min_pcm_luma_coding_block_size_minus3,
813  FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
814  ue(log2_diff_max_min_pcm_luma_coding_block_size,
815  0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
816 
817  flag(pcm_loop_filter_disabled_flag);
818  }
819 
820  ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
821  for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
822  CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
823 
824  flag(long_term_ref_pics_present_flag);
825  if (current->long_term_ref_pics_present_flag) {
826  ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
827  for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
828  u(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
829  lt_ref_pic_poc_lsb_sps[i],
830  0, (1 << (current->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1);
831  flag(used_by_curr_pic_lt_sps_flag[i]);
832  }
833  }
834 
835  flag(sps_temporal_mvp_enabled_flag);
836  flag(strong_intra_smoothing_enabled_flag);
837 
838  flag(vui_parameters_present_flag);
839  if (current->vui_parameters_present_flag)
840  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
841 
842  flag(sps_extension_present_flag);
843  if (current->sps_extension_present_flag) {
844  flag(sps_range_extension_flag);
845  flag(sps_multilayer_extension_flag);
846  flag(sps_3d_extension_flag);
847  flag(sps_scc_extension_flag);
848  u(4, sps_extension_4bits, 0, (1 << 4) - 1);
849  }
850 
851  if (current->sps_range_extension_flag)
852  CHECK(FUNC(sps_range_extension)(ctx, rw, current));
853  if (current->sps_multilayer_extension_flag)
854  return AVERROR_PATCHWELCOME;
855  if (current->sps_3d_extension_flag)
856  return AVERROR_PATCHWELCOME;
857  if (current->sps_scc_extension_flag)
858  CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
859  if (current->sps_extension_4bits)
860  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
861 
863 
864  return 0;
865 }
866 
868  H265RawPPS *current)
869 {
871  const H265RawSPS *sps = h265->active_sps;
872  int err, i;
873 
874  if (current->transform_skip_enabled_flag)
875  ue(log2_max_transform_skip_block_size_minus2, 0, 3);
876  flag(cross_component_prediction_enabled_flag);
877 
878  flag(chroma_qp_offset_list_enabled_flag);
879  if (current->chroma_qp_offset_list_enabled_flag) {
880  ue(diff_cu_chroma_qp_offset_depth,
882  ue(chroma_qp_offset_list_len_minus1, 0, 5);
883  for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
884  se(cb_qp_offset_list[i], -12, +12);
885  se(cr_qp_offset_list[i], -12, +12);
886  }
887  }
888 
889  ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
890  ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
891 
892  return 0;
893 }
894 
896  H265RawPPS *current)
897 {
898  int err, comp, i;
899 
900  flag(pps_curr_pic_ref_enabled_flag);
901 
902  flag(residual_adaptive_colour_transform_enabled_flag);
903  if (current->residual_adaptive_colour_transform_enabled_flag) {
904  flag(pps_slice_act_qp_offsets_present_flag);
905  se(pps_act_y_qp_offset_plus5, -7, +17);
906  se(pps_act_cb_qp_offset_plus5, -7, +17);
907  se(pps_act_cr_qp_offset_plus3, -9, +15);
908  } else {
909  infer(pps_slice_act_qp_offsets_present_flag, 0);
910  infer(pps_act_y_qp_offset_plus5, 0);
911  infer(pps_act_cb_qp_offset_plus5, 0);
912  infer(pps_act_cr_qp_offset_plus3, 0);
913  }
914 
915  flag(pps_palette_predictor_initializer_present_flag);
916  if (current->pps_palette_predictor_initializer_present_flag) {
917  ue(pps_num_palette_predictor_initializer, 0, 128);
918  if (current->pps_num_palette_predictor_initializer > 0) {
919  flag(monochrome_palette_flag);
920  ue(luma_bit_depth_entry_minus8, 0, 8);
921  if (!current->monochrome_palette_flag)
922  ue(chroma_bit_depth_entry_minus8, 0, 8);
923  for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
924  int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
925  : current->chroma_bit_depth_entry_minus8 + 8;
926  for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
927  u(bit_depth, pps_palette_predictor_initializers[comp][i],
928  0, (1 << bit_depth) - 1);
929  }
930  }
931  }
932 
933  return 0;
934 }
935 
937  H265RawPPS *current)
938 {
940  const H265RawSPS *sps;
941  int err, i;
942 
943  HEADER("Picture Parameter Set");
944 
945  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
946 
947  ue(pps_pic_parameter_set_id, 0, 63);
948  ue(pps_seq_parameter_set_id, 0, 15);
949  sps = h265->sps[current->pps_seq_parameter_set_id];
950  if (!sps) {
951  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
952  current->pps_seq_parameter_set_id);
953  return AVERROR_INVALIDDATA;
954  }
955  h265->active_sps = sps;
956 
957  flag(dependent_slice_segments_enabled_flag);
958  flag(output_flag_present_flag);
959  u(3, num_extra_slice_header_bits, 0, 7);
960  flag(sign_data_hiding_enabled_flag);
961  flag(cabac_init_present_flag);
962 
963  ue(num_ref_idx_l0_default_active_minus1, 0, 14);
964  ue(num_ref_idx_l1_default_active_minus1, 0, 14);
965 
966  se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
967 
968  flag(constrained_intra_pred_flag);
969  flag(transform_skip_enabled_flag);
970  flag(cu_qp_delta_enabled_flag);
971  if (current->cu_qp_delta_enabled_flag)
972  ue(diff_cu_qp_delta_depth,
974  else
975  infer(diff_cu_qp_delta_depth, 0);
976 
977  se(pps_cb_qp_offset, -12, +12);
978  se(pps_cr_qp_offset, -12, +12);
979  flag(pps_slice_chroma_qp_offsets_present_flag);
980 
981  flag(weighted_pred_flag);
982  flag(weighted_bipred_flag);
983 
984  flag(transquant_bypass_enabled_flag);
985  flag(tiles_enabled_flag);
986  flag(entropy_coding_sync_enabled_flag);
987 
988  if (current->tiles_enabled_flag) {
989  ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
990  ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
991  flag(uniform_spacing_flag);
992  if (!current->uniform_spacing_flag) {
993  for (i = 0; i < current->num_tile_columns_minus1; i++)
994  ue(column_width_minus1[i], 0, sps->pic_width_in_luma_samples);
995  for (i = 0; i < current->num_tile_rows_minus1; i++)
996  ue(row_height_minus1[i], 0, sps->pic_height_in_luma_samples);
997  }
998  flag(loop_filter_across_tiles_enabled_flag);
999  } else {
1000  infer(num_tile_columns_minus1, 0);
1001  infer(num_tile_rows_minus1, 0);
1002  }
1003 
1004  flag(pps_loop_filter_across_slices_enabled_flag);
1005  flag(deblocking_filter_control_present_flag);
1006  if (current->deblocking_filter_control_present_flag) {
1007  flag(deblocking_filter_override_enabled_flag);
1008  flag(pps_deblocking_filter_disabled_flag);
1009  if (!current->pps_deblocking_filter_disabled_flag) {
1010  se(pps_beta_offset_div2, -6, +6);
1011  se(pps_tc_offset_div2, -6, +6);
1012  } else {
1013  infer(pps_beta_offset_div2, 0);
1014  infer(pps_tc_offset_div2, 0);
1015  }
1016  } else {
1017  infer(deblocking_filter_override_enabled_flag, 0);
1018  infer(pps_deblocking_filter_disabled_flag, 0);
1019  infer(pps_beta_offset_div2, 0);
1020  infer(pps_tc_offset_div2, 0);
1021  }
1022 
1023  flag(pps_scaling_list_data_present_flag);
1024  if (current->pps_scaling_list_data_present_flag)
1025  CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1026 
1027  flag(lists_modification_present_flag);
1028 
1029  ue(log2_parallel_merge_level_minus2,
1032 
1033  flag(slice_segment_header_extension_present_flag);
1034 
1035  flag(pps_extension_present_flag);
1036  if (current->pps_extension_present_flag) {
1037  flag(pps_range_extension_flag);
1038  flag(pps_multilayer_extension_flag);
1039  flag(pps_3d_extension_flag);
1040  flag(pps_scc_extension_flag);
1041  u(4, pps_extension_4bits, 0, (1 << 4) - 1);
1042  }
1043  if (current->pps_range_extension_flag)
1044  CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1045  if (current->pps_multilayer_extension_flag)
1046  return AVERROR_PATCHWELCOME;
1047  if (current->pps_3d_extension_flag)
1048  return AVERROR_PATCHWELCOME;
1049  if (current->pps_scc_extension_flag)
1050  CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1051  if (current->pps_extension_4bits)
1052  CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1053 
1055 
1056  return 0;
1057 }
1058 
1060  H265RawAUD *current)
1061 {
1062  int err;
1063 
1064  HEADER("Access Unit Delimiter");
1065 
1066  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1067 
1068  u(3, pic_type, 0, 2);
1069 
1071 
1072  return 0;
1073 }
1074 
1076  H265RawSliceHeader *current,
1077  unsigned int num_pic_total_curr)
1078 {
1079  unsigned int entry_size;
1080  int err, i;
1081 
1082  entry_size = av_log2(num_pic_total_curr - 1) + 1;
1083 
1084  flag(ref_pic_list_modification_flag_l0);
1085  if (current->ref_pic_list_modification_flag_l0) {
1086  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1087  u(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1);
1088  }
1089 
1090  if (current->slice_type == HEVC_SLICE_B) {
1091  flag(ref_pic_list_modification_flag_l1);
1092  if (current->ref_pic_list_modification_flag_l1) {
1093  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1094  u(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1);
1095  }
1096  }
1097 
1098  return 0;
1099 }
1100 
1102  H265RawSliceHeader *current)
1103 {
1105  const H265RawSPS *sps = h265->active_sps;
1106  int err, i, j;
1107  int chroma = !sps->separate_colour_plane_flag &&
1108  sps->chroma_format_idc != 0;
1109 
1110  ue(luma_log2_weight_denom, 0, 7);
1111  if (chroma)
1112  se(delta_chroma_log2_weight_denom, -7, 7);
1113  else
1114  infer(delta_chroma_log2_weight_denom, 0);
1115 
1116  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1117  if (1 /* is not same POC and same layer_id */)
1118  flag(luma_weight_l0_flag[i]);
1119  else
1120  infer(luma_weight_l0_flag[i], 0);
1121  }
1122  if (chroma) {
1123  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1124  if (1 /* is not same POC and same layer_id */)
1125  flag(chroma_weight_l0_flag[i]);
1126  else
1127  infer(chroma_weight_l0_flag[i], 0);
1128  }
1129  }
1130 
1131  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1132  if (current->luma_weight_l0_flag[i]) {
1133  se(delta_luma_weight_l0[i], -128, +127);
1134  se(luma_offset_l0[i],
1135  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1136  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1));
1137  } else {
1138  infer(delta_luma_weight_l0[i], 0);
1139  infer(luma_offset_l0[i], 0);
1140  }
1141  if (current->chroma_weight_l0_flag[i]) {
1142  for (j = 0; j < 2; j++) {
1143  se(delta_chroma_weight_l0[i][j], -128, +127);
1144  se(chroma_offset_l0[i][j],
1145  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1146  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1));
1147  }
1148  } else {
1149  for (j = 0; j < 2; j++) {
1150  infer(delta_chroma_weight_l0[i][j], 0);
1151  infer(chroma_offset_l0[i][j], 0);
1152  }
1153  }
1154  }
1155 
1156  if (current->slice_type == HEVC_SLICE_B) {
1157  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1158  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1159  flag(luma_weight_l1_flag[i]);
1160  else
1161  infer(luma_weight_l1_flag[i], 0);
1162  }
1163  if (chroma) {
1164  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1165  if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1166  flag(chroma_weight_l1_flag[i]);
1167  else
1168  infer(chroma_weight_l1_flag[i], 0);
1169  }
1170  }
1171 
1172  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1173  if (current->luma_weight_l1_flag[i]) {
1174  se(delta_luma_weight_l1[i], -128, +127);
1175  se(luma_offset_l1[i],
1176  -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1177  ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1));
1178  } else {
1179  infer(delta_luma_weight_l1[i], 0);
1180  infer(luma_offset_l1[i], 0);
1181  }
1182  if (current->chroma_weight_l1_flag[i]) {
1183  for (j = 0; j < 2; j++) {
1184  se(delta_chroma_weight_l1[i][j], -128, +127);
1185  se(chroma_offset_l1[i][j],
1186  -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1187  ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1));
1188  }
1189  } else {
1190  for (j = 0; j < 2; j++) {
1191  infer(delta_chroma_weight_l1[i][j], 0);
1192  infer(chroma_offset_l1[i][j], 0);
1193  }
1194  }
1195  }
1196  }
1197 
1198  return 0;
1199 }
1200 
1202  H265RawSliceHeader *current)
1203 {
1205  const H265RawSPS *sps;
1206  const H265RawPPS *pps;
1207  unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1208  unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1209  unsigned int num_pic_total_curr = 0;
1210  int err, i;
1211 
1212  HEADER("Slice Segment Header");
1213 
1214  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1215 
1216  flag(first_slice_segment_in_pic_flag);
1217 
1218  if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1219  current->nal_unit_header.nal_unit_type <= HEVC_NAL_IRAP_VCL23)
1220  flag(no_output_of_prior_pics_flag);
1221 
1222  ue(slice_pic_parameter_set_id, 0, 63);
1223 
1224  pps = h265->pps[current->slice_pic_parameter_set_id];
1225  if (!pps) {
1226  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1227  current->slice_pic_parameter_set_id);
1228  return AVERROR_INVALIDDATA;
1229  }
1230  h265->active_pps = pps;
1231 
1232  sps = h265->sps[pps->pps_seq_parameter_set_id];
1233  if (!sps) {
1234  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1236  return AVERROR_INVALIDDATA;
1237  }
1238  h265->active_sps = sps;
1239 
1240  min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1241  ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1242  ctb_size_y = 1 << ctb_log2_size_y;
1243  pic_width_in_ctbs_y =
1244  (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1245  pic_height_in_ctbs_y =
1246  (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1247  pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1248 
1249  if (!current->first_slice_segment_in_pic_flag) {
1250  unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1252  flag(dependent_slice_segment_flag);
1253  else
1254  infer(dependent_slice_segment_flag, 0);
1255  u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1256  } else {
1257  infer(dependent_slice_segment_flag, 0);
1258  }
1259 
1260  if (!current->dependent_slice_segment_flag) {
1261  for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1262  flag(slice_reserved_flag[i]);
1263 
1264  ue(slice_type, 0, 2);
1265 
1266  if (pps->output_flag_present_flag)
1267  flag(pic_output_flag);
1268 
1269  if (sps->separate_colour_plane_flag)
1270  u(2, colour_plane_id, 0, 2);
1271 
1272  if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1273  current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1274  const H265RawSTRefPicSet *rps;
1275 
1276  u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb,
1277  0, (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1);
1278 
1279  flag(short_term_ref_pic_set_sps_flag);
1280  if (!current->short_term_ref_pic_set_sps_flag) {
1281  CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->short_term_ref_pic_set,
1282  sps->num_short_term_ref_pic_sets, sps));
1283  rps = &current->short_term_ref_pic_set;
1284  } else if (sps->num_short_term_ref_pic_sets > 1) {
1285  unsigned int idx_size = av_log2(sps->num_short_term_ref_pic_sets - 1) + 1;
1286  u(idx_size, short_term_ref_pic_set_idx,
1287  0, sps->num_short_term_ref_pic_sets - 1);
1288  rps = &sps->st_ref_pic_set[current->short_term_ref_pic_set_idx];
1289  } else {
1290  infer(short_term_ref_pic_set_idx, 0);
1291  rps = &sps->st_ref_pic_set[0];
1292  }
1293 
1294  num_pic_total_curr = 0;
1295  for (i = 0; i < rps->num_negative_pics; i++)
1296  if (rps->used_by_curr_pic_s0_flag[i])
1297  ++num_pic_total_curr;
1298  for (i = 0; i < rps->num_positive_pics; i++)
1299  if (rps->used_by_curr_pic_s1_flag[i])
1300  ++num_pic_total_curr;
1301 
1303  unsigned int idx_size;
1304 
1305  if (sps->num_long_term_ref_pics_sps > 0) {
1306  ue(num_long_term_sps, 0, sps->num_long_term_ref_pics_sps);
1307  idx_size = av_log2(sps->num_long_term_ref_pics_sps - 1) + 1;
1308  } else {
1309  infer(num_long_term_sps, 0);
1310  idx_size = 0;
1311  }
1312  ue(num_long_term_pics, 0, HEVC_MAX_LONG_TERM_REF_PICS);
1313 
1314  for (i = 0; i < current->num_long_term_sps +
1315  current->num_long_term_pics; i++) {
1316  if (i < current->num_long_term_sps) {
1317  if (sps->num_long_term_ref_pics_sps > 1)
1318  u(idx_size, lt_idx_sps[i],
1319  0, sps->num_long_term_ref_pics_sps - 1);
1320  if (sps->used_by_curr_pic_lt_sps_flag[current->lt_idx_sps[i]])
1321  ++num_pic_total_curr;
1322  } else {
1323  u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i],
1324  0, (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1);
1325  flag(used_by_curr_pic_lt_flag[i]);
1326  if (current->used_by_curr_pic_lt_flag[i])
1327  ++num_pic_total_curr;
1328  }
1329  flag(delta_poc_msb_present_flag[i]);
1330  if (current->delta_poc_msb_present_flag[i])
1331  ue(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1);
1332  else
1333  infer(delta_poc_msb_cycle_lt[i], 0);
1334  }
1335  }
1336 
1338  flag(slice_temporal_mvp_enabled_flag);
1339  else
1340  infer(slice_temporal_mvp_enabled_flag, 0);
1341 
1343  ++num_pic_total_curr;
1344  }
1345 
1347  flag(slice_sao_luma_flag);
1348  if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1349  flag(slice_sao_chroma_flag);
1350  else
1351  infer(slice_sao_chroma_flag, 0);
1352  } else {
1353  infer(slice_sao_luma_flag, 0);
1354  infer(slice_sao_chroma_flag, 0);
1355  }
1356 
1357  if (current->slice_type == HEVC_SLICE_P ||
1358  current->slice_type == HEVC_SLICE_B) {
1359  flag(num_ref_idx_active_override_flag);
1360  if (current->num_ref_idx_active_override_flag) {
1361  ue(num_ref_idx_l0_active_minus1, 0, 14);
1362  if (current->slice_type == HEVC_SLICE_B)
1363  ue(num_ref_idx_l1_active_minus1, 0, 14);
1364  else
1365  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1366  } else {
1367  infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1368  infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1369  }
1370 
1371  if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1372  CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1373  num_pic_total_curr));
1374 
1375  if (current->slice_type == HEVC_SLICE_B)
1376  flag(mvd_l1_zero_flag);
1377  if (pps->cabac_init_present_flag)
1378  flag(cabac_init_flag);
1379  else
1380  infer(cabac_init_flag, 0);
1381  if (current->slice_temporal_mvp_enabled_flag) {
1382  if (current->slice_type == HEVC_SLICE_B)
1383  flag(collocated_from_l0_flag);
1384  else
1385  infer(collocated_from_l0_flag, 1);
1386  if (current->collocated_from_l0_flag) {
1387  if (current->num_ref_idx_l0_active_minus1 > 0)
1388  ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1389  else
1390  infer(collocated_ref_idx, 0);
1391  } else {
1392  if (current->num_ref_idx_l1_active_minus1 > 0)
1393  ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1394  else
1395  infer(collocated_ref_idx, 0);
1396  }
1397  }
1398 
1399  if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1400  (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1401  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1402 
1403  ue(five_minus_max_num_merge_cand, 0, 4);
1405  flag(use_integer_mv_flag);
1406  else
1407  infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1408  }
1409 
1410  se(slice_qp_delta,
1411  - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1412  + 51 - (pps->init_qp_minus26 + 26));
1414  se(slice_cb_qp_offset, -12, +12);
1415  se(slice_cr_qp_offset, -12, +12);
1416  } else {
1417  infer(slice_cb_qp_offset, 0);
1418  infer(slice_cr_qp_offset, 0);
1419  }
1421  se(slice_act_y_qp_offset,
1422  -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1423  +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1424  se(slice_act_cb_qp_offset,
1425  -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1426  +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1427  se(slice_act_cr_qp_offset,
1428  -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1429  +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1430  } else {
1431  infer(slice_act_y_qp_offset, 0);
1432  infer(slice_act_cb_qp_offset, 0);
1433  infer(slice_act_cr_qp_offset, 0);
1434  }
1436  flag(cu_chroma_qp_offset_enabled_flag);
1437  else
1438  infer(cu_chroma_qp_offset_enabled_flag, 0);
1439 
1441  flag(deblocking_filter_override_flag);
1442  else
1443  infer(deblocking_filter_override_flag, 0);
1444  if (current->deblocking_filter_override_flag) {
1445  flag(slice_deblocking_filter_disabled_flag);
1446  if (!current->slice_deblocking_filter_disabled_flag) {
1447  se(slice_beta_offset_div2, -6, +6);
1448  se(slice_tc_offset_div2, -6, +6);
1449  } else {
1450  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1451  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1452  }
1453  } else {
1454  infer(slice_deblocking_filter_disabled_flag,
1456  infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1457  infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1458  }
1460  (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1461  !current->slice_deblocking_filter_disabled_flag))
1462  flag(slice_loop_filter_across_slices_enabled_flag);
1463  else
1464  infer(slice_loop_filter_across_slices_enabled_flag,
1466  }
1467 
1469  unsigned int num_entry_point_offsets_limit;
1471  num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1473  num_entry_point_offsets_limit =
1474  (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1475  else
1476  num_entry_point_offsets_limit =
1477  (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1478  ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1479 
1480  if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1481  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1482  "%"PRIu16".\n", current->num_entry_point_offsets);
1483  return AVERROR_PATCHWELCOME;
1484  }
1485 
1486  if (current->num_entry_point_offsets > 0) {
1487  ue(offset_len_minus1, 0, 31);
1488  for (i = 0; i < current->num_entry_point_offsets; i++)
1489  u(current->offset_len_minus1 + 1, entry_point_offset_minus1[i],
1490  0, (1 << (current->offset_len_minus1 + 1)) - 1);
1491  }
1492  }
1493 
1495  ue(slice_segment_header_extension_length, 0, 256);
1496  for (i = 0; i < current->slice_segment_header_extension_length; i++)
1497  u(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff);
1498  }
1499 
1500  CHECK(FUNC(byte_alignment)(ctx, rw));
1501 
1502  return 0;
1503 }
#define allocate(name, size)
Definition: cbs_h2645.c:364
H265RawPPS * pps[HEVC_MAX_PPS_COUNT]
Definition: cbs_h265.h:526
#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:348
#define flag(name)
Definition: cbs_h2645.c:345
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)
Definition: vf_waveform.c:1345
uint8_t deblocking_filter_override_enabled_flag
Definition: cbs_h265.h:364
uint8_t num_ref_idx_l0_default_active_minus1
Definition: cbs_h265.h:334
static int FUNC() sub_layer_hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *hrd, int nal, int sub_layer_id)
uint8_t chroma_qp_offset_list_enabled_flag
Definition: cbs_h265.h:389
uint8_t bit_depth_luma_minus8
Definition: cbs_h265.h:244
static int FUNC() sps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
int8_t pps_act_y_qp_offset_plus5
Definition: cbs_h265.h:401
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *current, int common_inf_present_flag, int max_num_sub_layers_minus1)
int av_log2(unsigned v)
Definition: intmath.c:26
uint8_t tiles_enabled_flag
Definition: cbs_h265.h:352
H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS]
Definition: cbs_h265.h:276
static int FUNC() slice_segment_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
uint8_t pps_slice_chroma_qp_offsets_present_flag
Definition: cbs_h265.h:346
static int FUNC() pps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint8_t sample_adaptive_offset_enabled_flag
Definition: cbs_h265.h:266
uint8_t bit_depth_chroma_minus8
Definition: cbs_h265.h:245
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS]
Definition: cbs_h265.h:208
static int FUNC() extension_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawPSExtensionData *current)
uint16_t pic_height_in_luma_samples
Definition: cbs_h265.h:236
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)
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:343
uint8_t log2_max_pic_order_cnt_lsb_minus4
Definition: cbs_h265.h:247
H265RawSPS * sps[HEVC_MAX_SPS_COUNT]
Definition: cbs_h265.h:525
static int FUNC() vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawVUI *current, const H265RawSPS *sps)
CHECK(-1) CHECK(-2)}}}}CHECK(1) CHECK(2)}}}}}if(diff0+diff1 > 0) temp-
uint8_t vps_max_sub_layers_minus1
Definition: cbs_h265.h:167
#define infer(name, value)
Definition: cbs_h2645.c:351
#define av_log(a,...)
#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:400
static int FUNC() st_ref_pic_set(CodedBitstreamContext *ctx, RWContext *rw, H265RawSTRefPicSet *current, int st_rps_idx, const H265RawSPS *sps)
#define FUNC(a)
#define ue(name, range_min, range_max)
Definition: cbs_h2645.c:346
uint8_t num_negative_pics
Definition: cbs_h265.h:205
#define zero
Definition: regdef.h:64
#define FFMAX(a, b)
Definition: common.h:94
uint8_t motion_vector_resolution_control_idc
Definition: cbs_h265.h:318
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
#define FFMIN(a, b)
Definition: common.h:96
#define profile_compatible(x)
uint8_t num_long_term_ref_pics_sps
Definition: cbs_h265.h:279
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:152
int8_t pps_beta_offset_div2
Definition: cbs_h265.h:366
uint8_t pps_deblocking_filter_disabled_flag
Definition: cbs_h265.h:365
AVFormatContext * ctx
Definition: movenc.c:48
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
uint16_t pic_width_in_luma_samples
Definition: cbs_h265.h:235
int n
Definition: avisynth_c.h:684
uint8_t lists_modification_present_flag
Definition: cbs_h265.h:372
uint8_t log2_min_luma_coding_block_size_minus3
Definition: cbs_h265.h:254
uint8_t pps_seq_parameter_set_id
Definition: cbs_h265.h:326
uint8_t cabac_init_present_flag
Definition: cbs_h265.h:332
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:210
uint8_t num_extra_slice_header_bits
Definition: cbs_h265.h:330
const H265RawSPS * active_sps
Definition: cbs_h265.h:532
static int FUNC() scaling_list_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawScalingList *current)
uint8_t entropy_coding_sync_enabled_flag
Definition: cbs_h265.h:353
uint8_t output_flag_present_flag
Definition: cbs_h265.h:329
uint8_t weighted_bipred_flag
Definition: cbs_h265.h:349
uint8_t dependent_slice_segments_enabled_flag
Definition: cbs_h265.h:328
uint8_t sps_temporal_mvp_enabled_flag
Definition: cbs_h265.h:283
uint8_t pps_loop_filter_across_slices_enabled_flag
Definition: cbs_h265.h:362
uint8_t weighted_pred_flag
Definition: cbs_h265.h:348
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:306
Context structure for coded bitstream operations.
Definition: cbs.h:145
const H265RawVPS * active_vps
Definition: cbs_h265.h:531
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:232
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition: cbs_h2645.c:279
const H265RawPPS * active_pps
Definition: cbs_h265.h:533
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
uint8_t num_positive_pics
Definition: cbs_h265.h:206
static int FUNC() nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawNALUnitHeader *current, int expected_nal_unit_type)
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
uint8_t num_tile_rows_minus1
Definition: cbs_h265.h:356
int8_t pps_act_cb_qp_offset_plus5
Definition: cbs_h265.h:402
uint8_t num_tile_columns_minus1
Definition: cbs_h265.h:355
uint8_t log2_diff_max_min_luma_coding_block_size
Definition: cbs_h265.h:255
#define xse(name, var, range_min, range_max)
Definition: cbs_h2645.c:337
#define HEADER(name)
Definition: cbs_h2645.c:228
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS]
Definition: cbs_h265.h:281
void * priv_data
Format private data.
Definition: avformat.h:1353
uint8_t num_short_term_ref_pic_sets
Definition: cbs_h265.h:275
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
uint8_t vps_temporal_id_nesting_flag
Definition: cbs_h265.h:168
int8_t pps_tc_offset_div2
Definition: cbs_h265.h:367
#define RWContext
Definition: cbs_h2645.c:325
void INT64 start
Definition: avisynth_c.h:690
static int FUNC() sps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
int8_t init_qp_minus26
Definition: cbs_h265.h:337
uint8_t pps_curr_pic_ref_enabled_flag
Definition: cbs_h265.h:398
uint8_t slice_segment_header_extension_present_flag
Definition: cbs_h265.h:375
H265RawVPS * vps[HEVC_MAX_VPS_COUNT]
Definition: cbs_h265.h:524
uint8_t separate_colour_plane_flag
Definition: cbs_h265.h:233
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t long_term_ref_pics_present_flag
Definition: cbs_h265.h:278
#define xu(width, name, var, range_min, range_max)
Definition: cbs_h2645.c:327
#define av_unused
Definition: attributes.h:125
int8_t pps_act_cr_qp_offset_plus3
Definition: cbs_h265.h:403
uint8_t num_ref_idx_l1_default_active_minus1
Definition: cbs_h265.h:335