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cbs_h264_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  H264RawNALUnitHeader *current,
32  uint32_t valid_type_mask)
33 {
34  int err;
35 
36  u(1, forbidden_zero_bit, 0, 0);
37  u(2, nal_ref_idc, 0, 3);
38  u(5, nal_unit_type, 0, 31);
39 
40  if (!(1 << current->nal_unit_type & valid_type_mask)) {
41  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid NAL unit type %d.\n",
42  current->nal_unit_type);
43  return AVERROR_INVALIDDATA;
44  }
45 
46  if (current->nal_unit_type == 14 ||
47  current->nal_unit_type == 20 ||
48  current->nal_unit_type == 21) {
49  if (current->nal_unit_type != 21)
50  flag(svc_extension_flag);
51  else
52  flag(avc_3d_extension_flag);
53 
54  if (current->svc_extension_flag) {
55  av_log(ctx->log_ctx, AV_LOG_ERROR, "SVC not supported.\n");
56  return AVERROR_PATCHWELCOME;
57 
58  } else if (current->avc_3d_extension_flag) {
59  av_log(ctx->log_ctx, AV_LOG_ERROR, "3DAVC not supported.\n");
60  return AVERROR_PATCHWELCOME;
61 
62  } else {
63  av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC not supported.\n");
64  return AVERROR_PATCHWELCOME;
65  }
66  }
67 
68  return 0;
69 }
70 
72  H264RawScalingList *current,
73  int size_of_scaling_list)
74 {
75  int err, i, scale;
76 
77  scale = 8;
78  for (i = 0; i < size_of_scaling_list; i++) {
79  ses(delta_scale[i], -128, +127, 1, i);
80  scale = (scale + current->delta_scale[i] + 256) % 256;
81  if (scale == 0)
82  break;
83  }
84 
85  return 0;
86 }
87 
89  H264RawHRD *current)
90 {
91  int err, i;
92 
93  ue(cpb_cnt_minus1, 0, 31);
94  u(4, bit_rate_scale, 0, 15);
95  u(4, cpb_size_scale, 0, 15);
96 
97  for (i = 0; i <= current->cpb_cnt_minus1; i++) {
98  ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
99  ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
100  flags(cbr_flag[i], 1, i);
101  }
102 
103  u(5, initial_cpb_removal_delay_length_minus1, 0, 31);
104  u(5, cpb_removal_delay_length_minus1, 0, 31);
105  u(5, dpb_output_delay_length_minus1, 0, 31);
106  u(5, time_offset_length, 0, 31);
107 
108  return 0;
109 }
110 
112  H264RawVUI *current, H264RawSPS *sps)
113 {
114  int err;
115 
116  flag(aspect_ratio_info_present_flag);
117  if (current->aspect_ratio_info_present_flag) {
118  u(8, aspect_ratio_idc, 0, 255);
119  if (current->aspect_ratio_idc == 255) {
120  u(16, sar_width, 0, 65535);
121  u(16, sar_height, 0, 65535);
122  }
123  } else {
124  infer(aspect_ratio_idc, 0);
125  }
126 
127  flag(overscan_info_present_flag);
128  if (current->overscan_info_present_flag)
129  flag(overscan_appropriate_flag);
130 
131  flag(video_signal_type_present_flag);
132  if (current->video_signal_type_present_flag) {
133  u(3, video_format, 0, 7);
134  flag(video_full_range_flag);
135  flag(colour_description_present_flag);
136  if (current->colour_description_present_flag) {
137  u(8, colour_primaries, 0, 255);
138  u(8, transfer_characteristics, 0, 255);
139  u(8, matrix_coefficients, 0, 255);
140  }
141  } else {
142  infer(video_format, 5);
143  infer(video_full_range_flag, 0);
144  infer(colour_primaries, 2);
146  infer(matrix_coefficients, 2);
147  }
148 
149  flag(chroma_loc_info_present_flag);
150  if (current->chroma_loc_info_present_flag) {
151  ue(chroma_sample_loc_type_top_field, 0, 5);
152  ue(chroma_sample_loc_type_bottom_field, 0, 5);
153  } else {
154  infer(chroma_sample_loc_type_top_field, 0);
155  infer(chroma_sample_loc_type_bottom_field, 0);
156  }
157 
158  flag(timing_info_present_flag);
159  if (current->timing_info_present_flag) {
160  u(32, num_units_in_tick, 1, UINT32_MAX);
161  u(32, time_scale, 1, UINT32_MAX);
162  flag(fixed_frame_rate_flag);
163  } else {
164  infer(fixed_frame_rate_flag, 0);
165  }
166 
167  flag(nal_hrd_parameters_present_flag);
168  if (current->nal_hrd_parameters_present_flag)
169  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->nal_hrd_parameters));
170 
171  flag(vcl_hrd_parameters_present_flag);
172  if (current->vcl_hrd_parameters_present_flag)
173  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->vcl_hrd_parameters));
174 
175  if (current->nal_hrd_parameters_present_flag ||
176  current->vcl_hrd_parameters_present_flag)
177  flag(low_delay_hrd_flag);
178  else
179  infer(low_delay_hrd_flag, 1 - current->fixed_frame_rate_flag);
180 
181  flag(pic_struct_present_flag);
182 
183  flag(bitstream_restriction_flag);
184  if (current->bitstream_restriction_flag) {
185  flag(motion_vectors_over_pic_boundaries_flag);
186  ue(max_bytes_per_pic_denom, 0, 16);
187  ue(max_bits_per_mb_denom, 0, 16);
188  // The current version of the standard constrains this to be in
189  // [0,15], but older versions allow 16.
190  ue(log2_max_mv_length_horizontal, 0, 16);
191  ue(log2_max_mv_length_vertical, 0, 16);
192  ue(max_num_reorder_frames, 0, H264_MAX_DPB_FRAMES);
193  ue(max_dec_frame_buffering, 0, H264_MAX_DPB_FRAMES);
194  } else {
195  infer(motion_vectors_over_pic_boundaries_flag, 1);
196  infer(max_bytes_per_pic_denom, 2);
197  infer(max_bits_per_mb_denom, 1);
198  infer(log2_max_mv_length_horizontal, 15);
199  infer(log2_max_mv_length_vertical, 15);
200 
201  if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
202  sps->profile_idc == 100 || sps->profile_idc == 110 ||
203  sps->profile_idc == 122 || sps->profile_idc == 244) &&
204  sps->constraint_set3_flag) {
205  infer(max_num_reorder_frames, 0);
206  infer(max_dec_frame_buffering, 0);
207  } else {
208  infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
209  infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
210  }
211  }
212 
213  return 0;
214 }
215 
217  RWContext *rw, H264RawVUI *current,
218  H264RawSPS *sps)
219 {
220  infer(aspect_ratio_idc, 0);
221 
222  infer(video_format, 5);
223  infer(video_full_range_flag, 0);
224  infer(colour_primaries, 2);
226  infer(matrix_coefficients, 2);
227 
228  infer(chroma_sample_loc_type_top_field, 0);
229  infer(chroma_sample_loc_type_bottom_field, 0);
230 
231  infer(fixed_frame_rate_flag, 0);
232  infer(low_delay_hrd_flag, 1);
233 
234  infer(pic_struct_present_flag, 0);
235 
236  infer(motion_vectors_over_pic_boundaries_flag, 1);
237  infer(max_bytes_per_pic_denom, 2);
238  infer(max_bits_per_mb_denom, 1);
239  infer(log2_max_mv_length_horizontal, 15);
240  infer(log2_max_mv_length_vertical, 15);
241 
242  if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
243  sps->profile_idc == 100 || sps->profile_idc == 110 ||
244  sps->profile_idc == 122 || sps->profile_idc == 244) &&
245  sps->constraint_set3_flag) {
246  infer(max_num_reorder_frames, 0);
247  infer(max_dec_frame_buffering, 0);
248  } else {
249  infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
250  infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
251  }
252 
253  return 0;
254 }
255 
257  H264RawSPS *current)
258 {
259  int err, i;
260 
261  HEADER("Sequence Parameter Set");
262 
263  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
264  1 << H264_NAL_SPS));
265 
266  u(8, profile_idc, 0, 255);
267 
268  flag(constraint_set0_flag);
269  flag(constraint_set1_flag);
270  flag(constraint_set2_flag);
271  flag(constraint_set3_flag);
272  flag(constraint_set4_flag);
273  flag(constraint_set5_flag);
274 
275  u(2, reserved_zero_2bits, 0, 0);
276 
277  u(8, level_idc, 0, 255);
278 
279  ue(seq_parameter_set_id, 0, 31);
280 
281  if (current->profile_idc == 100 || current->profile_idc == 110 ||
282  current->profile_idc == 122 || current->profile_idc == 244 ||
283  current->profile_idc == 44 || current->profile_idc == 83 ||
284  current->profile_idc == 86 || current->profile_idc == 118 ||
285  current->profile_idc == 128 || current->profile_idc == 138) {
286  ue(chroma_format_idc, 0, 3);
287 
288  if (current->chroma_format_idc == 3)
289  flag(separate_colour_plane_flag);
290  else
291  infer(separate_colour_plane_flag, 0);
292 
293  ue(bit_depth_luma_minus8, 0, 6);
294  ue(bit_depth_chroma_minus8, 0, 6);
295 
296  flag(qpprime_y_zero_transform_bypass_flag);
297 
298  flag(seq_scaling_matrix_present_flag);
299  if (current->seq_scaling_matrix_present_flag) {
300  for (i = 0; i < ((current->chroma_format_idc != 3) ? 8 : 12); i++) {
301  flags(seq_scaling_list_present_flag[i], 1, i);
302  if (current->seq_scaling_list_present_flag[i]) {
303  if (i < 6)
304  CHECK(FUNC(scaling_list)(ctx, rw,
305  &current->scaling_list_4x4[i],
306  16));
307  else
308  CHECK(FUNC(scaling_list)(ctx, rw,
309  &current->scaling_list_8x8[i - 6],
310  64));
311  }
312  }
313  }
314  } else {
315  infer(chroma_format_idc, current->profile_idc == 183 ? 0 : 1);
316 
317  infer(separate_colour_plane_flag, 0);
318  infer(bit_depth_luma_minus8, 0);
319  infer(bit_depth_chroma_minus8, 0);
320  }
321 
322  ue(log2_max_frame_num_minus4, 0, 12);
323  ue(pic_order_cnt_type, 0, 2);
324 
325  if (current->pic_order_cnt_type == 0) {
326  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
327  } else if (current->pic_order_cnt_type == 1) {
328  flag(delta_pic_order_always_zero_flag);
329  se(offset_for_non_ref_pic, INT32_MIN + 1, INT32_MAX);
330  se(offset_for_top_to_bottom_field, INT32_MIN + 1, INT32_MAX);
331  ue(num_ref_frames_in_pic_order_cnt_cycle, 0, 255);
332 
333  for (i = 0; i < current->num_ref_frames_in_pic_order_cnt_cycle; i++)
334  ses(offset_for_ref_frame[i], INT32_MIN + 1, INT32_MAX, 1, i);
335  }
336 
337  ue(max_num_ref_frames, 0, H264_MAX_DPB_FRAMES);
338  flag(gaps_in_frame_num_allowed_flag);
339 
340  ue(pic_width_in_mbs_minus1, 0, H264_MAX_MB_WIDTH);
341  ue(pic_height_in_map_units_minus1, 0, H264_MAX_MB_HEIGHT);
342 
343  flag(frame_mbs_only_flag);
344  if (!current->frame_mbs_only_flag)
345  flag(mb_adaptive_frame_field_flag);
346 
347  flag(direct_8x8_inference_flag);
348 
349  flag(frame_cropping_flag);
350  if (current->frame_cropping_flag) {
351  ue(frame_crop_left_offset, 0, H264_MAX_WIDTH);
352  ue(frame_crop_right_offset, 0, H264_MAX_WIDTH);
353  ue(frame_crop_top_offset, 0, H264_MAX_HEIGHT);
354  ue(frame_crop_bottom_offset, 0, H264_MAX_HEIGHT);
355  }
356 
357  flag(vui_parameters_present_flag);
358  if (current->vui_parameters_present_flag)
359  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
360  else
361  CHECK(FUNC(vui_parameters_default)(ctx, rw, &current->vui, current));
362 
364 
365  return 0;
366 }
367 
369  H264RawSPSExtension *current)
370 {
371  int err;
372 
373  HEADER("Sequence Parameter Set Extension");
374 
375  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
376  1 << H264_NAL_SPS_EXT));
377 
378  ue(seq_parameter_set_id, 0, 31);
379 
380  ue(aux_format_idc, 0, 3);
381 
382  if (current->aux_format_idc != 0) {
383  int bits;
384 
385  ue(bit_depth_aux_minus8, 0, 4);
386  flag(alpha_incr_flag);
387 
388  bits = current->bit_depth_aux_minus8 + 9;
389  u(bits, alpha_opaque_value, 0, MAX_UINT_BITS(bits));
390  u(bits, alpha_transparent_value, 0, MAX_UINT_BITS(bits));
391  }
392 
393  flag(additional_extension_flag);
394 
396 
397  return 0;
398 }
399 
401  H264RawPPS *current)
402 {
404  const H264RawSPS *sps;
405  int err, i;
406 
407  HEADER("Picture Parameter Set");
408 
409  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
410  1 << H264_NAL_PPS));
411 
412  ue(pic_parameter_set_id, 0, 255);
413  ue(seq_parameter_set_id, 0, 31);
414 
415  sps = h264->sps[current->seq_parameter_set_id];
416  if (!sps) {
417  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
418  current->seq_parameter_set_id);
419  return AVERROR_INVALIDDATA;
420  }
421 
422  flag(entropy_coding_mode_flag);
423  flag(bottom_field_pic_order_in_frame_present_flag);
424 
425  ue(num_slice_groups_minus1, 0, 7);
426  if (current->num_slice_groups_minus1 > 0) {
427  unsigned int pic_size;
428  int iGroup;
429 
430  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
432 
433  ue(slice_group_map_type, 0, 6);
434 
435  if (current->slice_group_map_type == 0) {
436  for (iGroup = 0; iGroup <= current->num_slice_groups_minus1; iGroup++)
437  ues(run_length_minus1[iGroup], 0, pic_size - 1, 1, iGroup);
438 
439  } else if (current->slice_group_map_type == 2) {
440  for (iGroup = 0; iGroup < current->num_slice_groups_minus1; iGroup++) {
441  ues(top_left[iGroup], 0, pic_size - 1, 1, iGroup);
442  ues(bottom_right[iGroup],
443  current->top_left[iGroup], pic_size - 1, 1, iGroup);
444  }
445  } else if (current->slice_group_map_type == 3 ||
446  current->slice_group_map_type == 4 ||
447  current->slice_group_map_type == 5) {
448  flag(slice_group_change_direction_flag);
449  ue(slice_group_change_rate_minus1, 0, pic_size - 1);
450  } else if (current->slice_group_map_type == 6) {
451  ue(pic_size_in_map_units_minus1, pic_size - 1, pic_size - 1);
452 
453  allocate(current->slice_group_id,
454  current->pic_size_in_map_units_minus1 + 1);
455  for (i = 0; i <= current->pic_size_in_map_units_minus1; i++)
456  us(av_log2(2 * current->num_slice_groups_minus1 + 1),
457  slice_group_id[i], 0, current->num_slice_groups_minus1, 1, i);
458  }
459  }
460 
461  ue(num_ref_idx_l0_default_active_minus1, 0, 31);
462  ue(num_ref_idx_l1_default_active_minus1, 0, 31);
463 
464  flag(weighted_pred_flag);
465  u(2, weighted_bipred_idc, 0, 2);
466 
467  se(pic_init_qp_minus26, -26 - 6 * sps->bit_depth_luma_minus8, +25);
468  se(pic_init_qs_minus26, -26, +25);
469  se(chroma_qp_index_offset, -12, +12);
470 
471  flag(deblocking_filter_control_present_flag);
472  flag(constrained_intra_pred_flag);
473  flag(redundant_pic_cnt_present_flag);
474 
475  if (more_rbsp_data(current->more_rbsp_data))
476  {
477  flag(transform_8x8_mode_flag);
478 
479  flag(pic_scaling_matrix_present_flag);
480  if (current->pic_scaling_matrix_present_flag) {
481  for (i = 0; i < 6 + (((sps->chroma_format_idc != 3) ? 2 : 6) *
482  current->transform_8x8_mode_flag); i++) {
483  flags(pic_scaling_list_present_flag[i], 1, i);
484  if (current->pic_scaling_list_present_flag[i]) {
485  if (i < 6)
486  CHECK(FUNC(scaling_list)(ctx, rw,
487  &current->scaling_list_4x4[i],
488  16));
489  else
490  CHECK(FUNC(scaling_list)(ctx, rw,
491  &current->scaling_list_8x8[i - 6],
492  64));
493  }
494  }
495  }
496 
497  se(second_chroma_qp_index_offset, -12, +12);
498  } else {
499  infer(transform_8x8_mode_flag, 0);
500  infer(pic_scaling_matrix_present_flag, 0);
501  infer(second_chroma_qp_index_offset, current->chroma_qp_index_offset);
502  }
503 
505 
506  return 0;
507 }
508 
510  H264RawSEIBufferingPeriod *current)
511 {
513  const H264RawSPS *sps;
514  int err, i, length;
515 
516  HEADER("Buffering Period");
517 
518  ue(seq_parameter_set_id, 0, 31);
519 
520  sps = h264->sps[current->seq_parameter_set_id];
521  if (!sps) {
522  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
523  current->seq_parameter_set_id);
524  return AVERROR_INVALIDDATA;
525  }
526  h264->active_sps = sps;
527 
529  for (i = 0; i <= sps->vui.nal_hrd_parameters.cpb_cnt_minus1; i++) {
531  xu(length, initial_cpb_removal_delay[SchedSelIdx],
532  current->nal.initial_cpb_removal_delay[i],
533  1, MAX_UINT_BITS(length), 1, i);
534  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
535  current->nal.initial_cpb_removal_delay_offset[i],
536  0, MAX_UINT_BITS(length), 1, i);
537  }
538  }
539 
541  for (i = 0; i <= sps->vui.vcl_hrd_parameters.cpb_cnt_minus1; i++) {
543  xu(length, initial_cpb_removal_delay[SchedSelIdx],
544  current->vcl.initial_cpb_removal_delay[i],
545  1, MAX_UINT_BITS(length), 1, i);
546  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
547  current->vcl.initial_cpb_removal_delay_offset[i],
548  0, MAX_UINT_BITS(length), 1, i);
549  }
550  }
551 
552  return 0;
553 }
554 
556  H264RawSEIPicTimestamp *current,
557  const H264RawSPS *sps)
558 {
559  uint8_t time_offset_length;
560  int err;
561 
562  u(2, ct_type, 0, 2);
563  flag(nuit_field_based_flag);
564  u(5, counting_type, 0, 6);
565  flag(full_timestamp_flag);
566  flag(discontinuity_flag);
567  flag(cnt_dropped_flag);
568  u(8, n_frames, 0, 255);
569  if (current->full_timestamp_flag) {
570  u(6, seconds_value, 0, 59);
571  u(6, minutes_value, 0, 59);
572  u(5, hours_value, 0, 23);
573  } else {
574  flag(seconds_flag);
575  if (current->seconds_flag) {
576  u(6, seconds_value, 0, 59);
577  flag(minutes_flag);
578  if (current->minutes_flag) {
579  u(6, minutes_value, 0, 59);
580  flag(hours_flag);
581  if (current->hours_flag)
582  u(5, hours_value, 0, 23);
583  }
584  }
585  }
586 
587  if (sps->vui.nal_hrd_parameters_present_flag)
588  time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length;
589  else if (sps->vui.vcl_hrd_parameters_present_flag)
590  time_offset_length = sps->vui.vcl_hrd_parameters.time_offset_length;
591  else
592  time_offset_length = 24;
593 
594  if (time_offset_length > 0)
595  u(time_offset_length, time_offset,
596  0, MAX_UINT_BITS(time_offset_length));
597  else
598  infer(time_offset, 0);
599 
600  return 0;
601 }
602 
604  H264RawSEIPicTiming *current)
605 {
607  const H264RawSPS *sps;
608  int err;
609 
610  HEADER("Picture Timing");
611 
612  sps = h264->active_sps;
613  if (!sps) {
614  // If there is exactly one possible SPS but it is not yet active
615  // then just assume that it should be the active one.
616  int i, k = -1;
617  for (i = 0; i < H264_MAX_SPS_COUNT; i++) {
618  if (h264->sps[i]) {
619  if (k >= 0) {
620  k = -1;
621  break;
622  }
623  k = i;
624  }
625  }
626  if (k >= 0)
627  sps = h264->sps[k];
628  }
629  if (!sps) {
630  av_log(ctx->log_ctx, AV_LOG_ERROR,
631  "No active SPS for pic_timing.\n");
632  return AVERROR_INVALIDDATA;
633  }
634 
637  const H264RawHRD *hrd;
638 
640  hrd = &sps->vui.nal_hrd_parameters;
641  else if (sps->vui.vcl_hrd_parameters_present_flag)
642  hrd = &sps->vui.vcl_hrd_parameters;
643  else {
644  av_log(ctx->log_ctx, AV_LOG_ERROR,
645  "No HRD parameters for pic_timing.\n");
646  return AVERROR_INVALIDDATA;
647  }
648 
649  u(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay,
651  u(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay,
653  }
654 
655  if (sps->vui.pic_struct_present_flag) {
656  static const int num_clock_ts[9] = {
657  1, 1, 1, 2, 2, 3, 3, 2, 3
658  };
659  int i;
660 
661  u(4, pic_struct, 0, 8);
662  if (current->pic_struct > 8)
663  return AVERROR_INVALIDDATA;
664 
665  for (i = 0; i < num_clock_ts[current->pic_struct]; i++) {
666  flags(clock_timestamp_flag[i], 1, i);
667  if (current->clock_timestamp_flag[i])
669  &current->timestamp[i], sps));
670  }
671  }
672 
673  return 0;
674 }
675 
677  H264RawSEIPanScanRect *current)
678 {
679  int err, i;
680 
681  HEADER("Pan-Scan Rectangle");
682 
683  ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
684  flag(pan_scan_rect_cancel_flag);
685 
686  if (!current->pan_scan_rect_cancel_flag) {
687  ue(pan_scan_cnt_minus1, 0, 2);
688 
689  for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
690  ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
691  ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
692  ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
693  ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
694  }
695 
696  ue(pan_scan_rect_repetition_period, 0, 16384);
697  }
698 
699  return 0;
700 }
701 
704  uint32_t *payload_size)
705 {
706  int err, i, j;
707 
708  HEADER("User Data Registered ITU-T T.35");
709 
710  u(8, itu_t_t35_country_code, 0x00, 0xff);
711  if (current->itu_t_t35_country_code != 0xff)
712  i = 1;
713  else {
714  u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
715  i = 2;
716  }
717 
718 #ifdef READ
719  if (*payload_size < i) {
720  av_log(ctx->log_ctx, AV_LOG_ERROR,
721  "Invalid SEI user data registered payload.\n");
722  return AVERROR_INVALIDDATA;
723  }
724  current->data_length = *payload_size - i;
725 #else
726  *payload_size = i + current->data_length;
727 #endif
728 
729  allocate(current->data, current->data_length);
730  for (j = 0; j < current->data_length; j++)
731  xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
732 
733  return 0;
734 }
735 
738  uint32_t *payload_size)
739 {
740  int err, i;
741 
742  HEADER("User Data Unregistered");
743 
744 #ifdef READ
745  if (*payload_size < 16) {
746  av_log(ctx->log_ctx, AV_LOG_ERROR,
747  "Invalid SEI user data unregistered payload.\n");
748  return AVERROR_INVALIDDATA;
749  }
750  current->data_length = *payload_size - 16;
751 #else
752  *payload_size = 16 + current->data_length;
753 #endif
754 
755  for (i = 0; i < 16; i++)
756  us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
757 
758  allocate(current->data, current->data_length);
759 
760  for (i = 0; i < current->data_length; i++)
761  xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
762 
763  return 0;
764 }
765 
767  H264RawSEIRecoveryPoint *current)
768 {
769  int err;
770 
771  HEADER("Recovery Point");
772 
773  ue(recovery_frame_cnt, 0, 65535);
774  flag(exact_match_flag);
775  flag(broken_link_flag);
776  u(2, changing_slice_group_idc, 0, 2);
777 
778  return 0;
779 }
780 
783 {
784  int err;
785 
786  HEADER("Display Orientation");
787 
788  flag(display_orientation_cancel_flag);
789  if (!current->display_orientation_cancel_flag) {
790  flag(hor_flip);
791  flag(ver_flip);
792  u(16, anticlockwise_rotation, 0, 65535);
793  ue(display_orientation_repetition_period, 0, 16384);
794  flag(display_orientation_extension_flag);
795  }
796 
797  return 0;
798 }
799 
802 {
803  int err, c;
804 
805  HEADER("Mastering Display Colour Volume");
806 
807  for (c = 0; c < 3; c++) {
808  us(16, display_primaries_x[c], 0, 50000, 1, c);
809  us(16, display_primaries_y[c], 0, 50000, 1, c);
810  }
811 
812  u(16, white_point_x, 0, 50000);
813  u(16, white_point_y, 0, 50000);
814 
815  u(32, max_display_mastering_luminance, 1, MAX_UINT_BITS(32));
816  u(32, min_display_mastering_luminance, 0, current->max_display_mastering_luminance - 1);
817 
818  return 0;
819 }
820 
822  H264RawSEIPayload *current)
823 {
824  int err, i;
825  int start_position, end_position;
826 
827 #ifdef READ
828  start_position = get_bits_count(rw);
829 #else
830  start_position = put_bits_count(rw);
831 #endif
832 
833  switch (current->payload_type) {
836  (ctx, rw, &current->payload.buffering_period));
837  break;
840  (ctx, rw, &current->payload.pic_timing));
841  break;
844  (ctx, rw, &current->payload.pan_scan_rect));
845  break;
847  {
848  for (i = 0; i < current->payload_size; i++)
849  fixed(8, ff_byte, 0xff);
850  }
851  break;
854  (ctx, rw, &current->payload.user_data_registered, &current->payload_size));
855  break;
858  (ctx, rw, &current->payload.user_data_unregistered, &current->payload_size));
859  break;
862  (ctx, rw, &current->payload.recovery_point));
863  break;
866  (ctx, rw, &current->payload.display_orientation));
867  break;
870  (ctx, rw, &current->payload.mastering_display_colour_volume));
871  break;
872  default:
873  {
874 #ifdef READ
875  current->payload.other.data_length = current->payload_size;
876 #endif
877  allocate(current->payload.other.data, current->payload.other.data_length);
878  for (i = 0; i < current->payload.other.data_length; i++)
879  xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, 1, i);
880  }
881  }
882 
883  if (byte_alignment(rw)) {
884  fixed(1, bit_equal_to_one, 1);
885  while (byte_alignment(rw))
886  fixed(1, bit_equal_to_zero, 0);
887  }
888 
889 #ifdef READ
890  end_position = get_bits_count(rw);
891  if (end_position < start_position + 8 * current->payload_size) {
892  av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
893  "header %"PRIu32" bits, actually %d bits.\n",
894  8 * current->payload_size,
895  end_position - start_position);
896  return AVERROR_INVALIDDATA;
897  }
898 #else
899  end_position = put_bits_count(rw);
900  current->payload_size = (end_position - start_position) / 8;
901 #endif
902 
903  return 0;
904 }
905 
907  H264RawSEI *current)
908 {
909  int err, k;
910 
911  HEADER("Supplemental Enhancement Information");
912 
913  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
914  1 << H264_NAL_SEI));
915 
916 #ifdef READ
917  for (k = 0; k < H264_MAX_SEI_PAYLOADS; k++) {
918  uint32_t payload_type = 0;
919  uint32_t payload_size = 0;
920  uint32_t tmp;
921 
922  while (show_bits(rw, 8) == 0xff) {
923  fixed(8, ff_byte, 0xff);
924  payload_type += 255;
925  }
926  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
927  payload_type += tmp;
928 
929  while (show_bits(rw, 8) == 0xff) {
930  fixed(8, ff_byte, 0xff);
931  payload_size += 255;
932  }
933  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
934  payload_size += tmp;
935 
936  current->payload[k].payload_type = payload_type;
937  current->payload[k].payload_size = payload_size;
938 
939  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
940 
942  break;
943  }
944  if (k >= H264_MAX_SEI_PAYLOADS) {
945  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
946  "SEI message: found %d.\n", k);
947  return AVERROR_INVALIDDATA;
948  }
949  current->payload_count = k + 1;
950 #else
951  for (k = 0; k < current->payload_count; k++) {
952  PutBitContext start_state;
953  uint32_t tmp;
954  int need_size, i;
955 
956  // Somewhat clumsy: we write the payload twice when
957  // we don't know the size in advance. This will mess
958  // with trace output, but is otherwise harmless.
959  start_state = *rw;
960  need_size = !current->payload[k].payload_size;
961  for (i = 0; i < 1 + need_size; i++) {
962  *rw = start_state;
963 
964  tmp = current->payload[k].payload_type;
965  while (tmp >= 255) {
966  fixed(8, ff_byte, 0xff);
967  tmp -= 255;
968  }
969  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
970 
971  tmp = current->payload[k].payload_size;
972  while (tmp >= 255) {
973  fixed(8, ff_byte, 0xff);
974  tmp -= 255;
975  }
976  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
977 
978  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
979  }
980  }
981 #endif
982 
984 
985  return 0;
986 }
987 
989  H264RawAUD *current)
990 {
991  int err;
992 
993  HEADER("Access Unit Delimiter");
994 
995  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
996  1 << H264_NAL_AUD));
997 
998  u(3, primary_pic_type, 0, 7);
999 
1001 
1002  return 0;
1003 }
1004 
1006  H264RawSliceHeader *current)
1007 {
1009  const H264RawSPS *sps = h264->active_sps;
1010  int err, i, mopn;
1011 
1012  if (current->slice_type % 5 != 2 &&
1013  current->slice_type % 5 != 4) {
1014  flag(ref_pic_list_modification_flag_l0);
1015  if (current->ref_pic_list_modification_flag_l0) {
1016  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
1017  xue(modification_of_pic_nums_idc,
1018  current->rplm_l0[i].modification_of_pic_nums_idc, 0, 3, 0);
1019 
1020  mopn = current->rplm_l0[i].modification_of_pic_nums_idc;
1021  if (mopn == 3)
1022  break;
1023 
1024  if (mopn == 0 || mopn == 1)
1025  xue(abs_diff_pic_num_minus1,
1026  current->rplm_l0[i].abs_diff_pic_num_minus1,
1027  0, (1 + current->field_pic_flag) *
1028  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
1029  else if (mopn == 2)
1030  xue(long_term_pic_num,
1031  current->rplm_l0[i].long_term_pic_num,
1032  0, sps->max_num_ref_frames - 1, 0);
1033  }
1034  }
1035  }
1036 
1037  if (current->slice_type % 5 == 1) {
1038  flag(ref_pic_list_modification_flag_l1);
1039  if (current->ref_pic_list_modification_flag_l1) {
1040  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
1041  xue(modification_of_pic_nums_idc,
1042  current->rplm_l1[i].modification_of_pic_nums_idc, 0, 3, 0);
1043 
1044  mopn = current->rplm_l1[i].modification_of_pic_nums_idc;
1045  if (mopn == 3)
1046  break;
1047 
1048  if (mopn == 0 || mopn == 1)
1049  xue(abs_diff_pic_num_minus1,
1050  current->rplm_l1[i].abs_diff_pic_num_minus1,
1051  0, (1 + current->field_pic_flag) *
1052  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
1053  else if (mopn == 2)
1054  xue(long_term_pic_num,
1055  current->rplm_l1[i].long_term_pic_num,
1056  0, sps->max_num_ref_frames - 1, 0);
1057  }
1058  }
1059  }
1060 
1061  return 0;
1062 }
1063 
1065  H264RawSliceHeader *current)
1066 {
1068  const H264RawSPS *sps = h264->active_sps;
1069  int chroma;
1070  int err, i, j;
1071 
1072  ue(luma_log2_weight_denom, 0, 7);
1073 
1074  chroma = !sps->separate_colour_plane_flag && sps->chroma_format_idc != 0;
1075  if (chroma)
1076  ue(chroma_log2_weight_denom, 0, 7);
1077 
1078  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1079  flags(luma_weight_l0_flag[i], 1, i);
1080  if (current->luma_weight_l0_flag[i]) {
1081  ses(luma_weight_l0[i], -128, +127, 1, i);
1082  ses(luma_offset_l0[i], -128, +127, 1, i);
1083  }
1084  if (chroma) {
1085  flags(chroma_weight_l0_flag[i], 1, i);
1086  if (current->chroma_weight_l0_flag[i]) {
1087  for (j = 0; j < 2; j++) {
1088  ses(chroma_weight_l0[i][j], -128, +127, 2, i, j);
1089  ses(chroma_offset_l0[i][j], -128, +127, 2, i, j);
1090  }
1091  }
1092  }
1093  }
1094 
1095  if (current->slice_type % 5 == 1) {
1096  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1097  flags(luma_weight_l1_flag[i], 1, i);
1098  if (current->luma_weight_l1_flag[i]) {
1099  ses(luma_weight_l1[i], -128, +127, 1, i);
1100  ses(luma_offset_l1[i], -128, +127, 1, i);
1101  }
1102  if (chroma) {
1103  flags(chroma_weight_l1_flag[i], 1, i);
1104  if (current->chroma_weight_l1_flag[i]) {
1105  for (j = 0; j < 2; j++) {
1106  ses(chroma_weight_l1[i][j], -128, +127, 2, i, j);
1107  ses(chroma_offset_l1[i][j], -128, +127, 2, i, j);
1108  }
1109  }
1110  }
1111  }
1112  }
1113 
1114  return 0;
1115 }
1116 
1118  H264RawSliceHeader *current, int idr_pic_flag)
1119 {
1121  const H264RawSPS *sps = h264->active_sps;
1122  int err, i;
1123  uint32_t mmco;
1124 
1125  if (idr_pic_flag) {
1126  flag(no_output_of_prior_pics_flag);
1127  flag(long_term_reference_flag);
1128  } else {
1129  flag(adaptive_ref_pic_marking_mode_flag);
1130  if (current->adaptive_ref_pic_marking_mode_flag) {
1131  for (i = 0; i < H264_MAX_MMCO_COUNT; i++) {
1132  xue(memory_management_control_operation,
1133  current->mmco[i].memory_management_control_operation,
1134  0, 6, 0);
1135 
1136  mmco = current->mmco[i].memory_management_control_operation;
1137  if (mmco == 0)
1138  break;
1139 
1140  if (mmco == 1 || mmco == 3)
1141  xue(difference_of_pic_nums_minus1,
1142  current->mmco[i].difference_of_pic_nums_minus1,
1143  0, INT32_MAX, 0);
1144  if (mmco == 2)
1145  xue(long_term_pic_num,
1146  current->mmco[i].long_term_pic_num,
1147  0, sps->max_num_ref_frames - 1, 0);
1148  if (mmco == 3 || mmco == 6)
1149  xue(long_term_frame_idx,
1150  current->mmco[i].long_term_frame_idx,
1151  0, sps->max_num_ref_frames - 1, 0);
1152  if (mmco == 4)
1153  xue(max_long_term_frame_idx_plus1,
1154  current->mmco[i].max_long_term_frame_idx_plus1,
1155  0, sps->max_num_ref_frames, 0);
1156  }
1157  if (i == H264_MAX_MMCO_COUNT) {
1158  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many "
1159  "memory management control operations.\n");
1160  return AVERROR_INVALIDDATA;
1161  }
1162  }
1163  }
1164 
1165  return 0;
1166 }
1167 
1169  H264RawSliceHeader *current)
1170 {
1172  const H264RawSPS *sps;
1173  const H264RawPPS *pps;
1174  int err;
1175  int idr_pic_flag;
1176  int slice_type_i, slice_type_p, slice_type_b;
1177  int slice_type_si, slice_type_sp;
1178 
1179  HEADER("Slice Header");
1180 
1181  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1182  1 << H264_NAL_SLICE |
1183  1 << H264_NAL_IDR_SLICE |
1184  1 << H264_NAL_AUXILIARY_SLICE));
1185 
1186  if (current->nal_unit_header.nal_unit_type == H264_NAL_AUXILIARY_SLICE) {
1187  if (!h264->last_slice_nal_unit_type) {
1188  av_log(ctx->log_ctx, AV_LOG_ERROR, "Auxiliary slice "
1189  "is not decodable without the main picture "
1190  "in the same access unit.\n");
1191  return AVERROR_INVALIDDATA;
1192  }
1193  idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;
1194  } else {
1195  idr_pic_flag = current->nal_unit_header.nal_unit_type == H264_NAL_IDR_SLICE;
1196  }
1197 
1198  ue(first_mb_in_slice, 0, H264_MAX_MB_PIC_SIZE - 1);
1199  ue(slice_type, 0, 9);
1200 
1201  slice_type_i = current->slice_type % 5 == 2;
1202  slice_type_p = current->slice_type % 5 == 0;
1203  slice_type_b = current->slice_type % 5 == 1;
1204  slice_type_si = current->slice_type % 5 == 4;
1205  slice_type_sp = current->slice_type % 5 == 3;
1206 
1207  if (idr_pic_flag && !(slice_type_i || slice_type_si)) {
1208  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid slice type %d "
1209  "for IDR picture.\n", current->slice_type);
1210  return AVERROR_INVALIDDATA;
1211  }
1212 
1213  ue(pic_parameter_set_id, 0, 255);
1214 
1215  pps = h264->pps[current->pic_parameter_set_id];
1216  if (!pps) {
1217  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1218  current->pic_parameter_set_id);
1219  return AVERROR_INVALIDDATA;
1220  }
1221  h264->active_pps = pps;
1222 
1223  sps = h264->sps[pps->seq_parameter_set_id];
1224  if (!sps) {
1225  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1226  pps->seq_parameter_set_id);
1227  return AVERROR_INVALIDDATA;
1228  }
1229  h264->active_sps = sps;
1230 
1231  if (sps->separate_colour_plane_flag)
1232  u(2, colour_plane_id, 0, 2);
1233 
1234  u(sps->log2_max_frame_num_minus4 + 4, frame_num,
1236 
1237  if (!sps->frame_mbs_only_flag) {
1238  flag(field_pic_flag);
1239  if (current->field_pic_flag)
1240  flag(bottom_field_flag);
1241  else
1242  infer(bottom_field_flag, 0);
1243  } else {
1244  infer(field_pic_flag, 0);
1245  infer(bottom_field_flag, 0);
1246  }
1247 
1248  if (idr_pic_flag)
1249  ue(idr_pic_id, 0, 65535);
1250 
1251  if (sps->pic_order_cnt_type == 0) {
1252  u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb,
1255  !current->field_pic_flag)
1256  se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX);
1257 
1258  } else if (sps->pic_order_cnt_type == 1) {
1260  se(delta_pic_order_cnt[0], INT32_MIN + 1, INT32_MAX);
1262  !current->field_pic_flag)
1263  se(delta_pic_order_cnt[1], INT32_MIN + 1, INT32_MAX);
1264  else
1265  infer(delta_pic_order_cnt[1], 0);
1266  } else {
1267  infer(delta_pic_order_cnt[0], 0);
1268  infer(delta_pic_order_cnt[1], 0);
1269  }
1270  }
1271 
1273  ue(redundant_pic_cnt, 0, 127);
1274  else
1275  infer(redundant_pic_cnt, 0);
1276 
1277  if (current->nal_unit_header.nal_unit_type != H264_NAL_AUXILIARY_SLICE
1278  && !current->redundant_pic_cnt)
1279  h264->last_slice_nal_unit_type =
1280  current->nal_unit_header.nal_unit_type;
1281 
1282  if (slice_type_b)
1283  flag(direct_spatial_mv_pred_flag);
1284 
1285  if (slice_type_p || slice_type_sp || slice_type_b) {
1286  flag(num_ref_idx_active_override_flag);
1287  if (current->num_ref_idx_active_override_flag) {
1288  ue(num_ref_idx_l0_active_minus1, 0, 31);
1289  if (slice_type_b)
1290  ue(num_ref_idx_l1_active_minus1, 0, 31);
1291  } else {
1292  infer(num_ref_idx_l0_active_minus1,
1294  infer(num_ref_idx_l1_active_minus1,
1296  }
1297  }
1298 
1299  if (current->nal_unit_header.nal_unit_type == 20 ||
1300  current->nal_unit_header.nal_unit_type == 21) {
1301  av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC / 3DAVC not supported.\n");
1302  return AVERROR_PATCHWELCOME;
1303  } else {
1304  CHECK(FUNC(ref_pic_list_modification)(ctx, rw, current));
1305  }
1306 
1307  if ((pps->weighted_pred_flag && (slice_type_p || slice_type_sp)) ||
1308  (pps->weighted_bipred_idc == 1 && slice_type_b)) {
1309  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1310  }
1311 
1312  if (current->nal_unit_header.nal_ref_idc != 0) {
1313  CHECK(FUNC(dec_ref_pic_marking)(ctx, rw, current, idr_pic_flag));
1314  }
1315 
1316  if (pps->entropy_coding_mode_flag &&
1317  !slice_type_i && !slice_type_si) {
1318  ue(cabac_init_idc, 0, 2);
1319  }
1320 
1321  se(slice_qp_delta, - 51 - 6 * sps->bit_depth_luma_minus8,
1322  + 51 + 6 * sps->bit_depth_luma_minus8);
1323  if (slice_type_sp || slice_type_si) {
1324  if (slice_type_sp)
1325  flag(sp_for_switch_flag);
1326  se(slice_qs_delta, -51, +51);
1327  }
1328 
1330  ue(disable_deblocking_filter_idc, 0, 2);
1331  if (current->disable_deblocking_filter_idc != 1) {
1332  se(slice_alpha_c0_offset_div2, -6, +6);
1333  se(slice_beta_offset_div2, -6, +6);
1334  } else {
1335  infer(slice_alpha_c0_offset_div2, 0);
1336  infer(slice_beta_offset_div2, 0);
1337  }
1338  } else {
1339  infer(disable_deblocking_filter_idc, 0);
1340  infer(slice_alpha_c0_offset_div2, 0);
1341  infer(slice_beta_offset_div2, 0);
1342  }
1343 
1344  if (pps->num_slice_groups_minus1 > 0 &&
1345  pps->slice_group_map_type >= 3 &&
1346  pps->slice_group_map_type <= 5) {
1347  unsigned int pic_size, max, bits;
1348 
1349  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
1350  (sps->pic_height_in_map_units_minus1 + 1);
1351  max = (pic_size + pps->slice_group_change_rate_minus1) /
1352  (pps->slice_group_change_rate_minus1 + 1);
1353  bits = av_log2(2 * max - 1);
1354 
1355  u(bits, slice_group_change_cycle, 0, max);
1356  }
1357 
1358  if (pps->entropy_coding_mode_flag) {
1359  while (byte_alignment(rw))
1360  fixed(1, cabac_alignment_one_bit, 1);
1361  }
1362 
1363  return 0;
1364 }
1365 
1367  H264RawFiller *current)
1368 {
1369  int err;
1370 
1371  HEADER("Filler Data");
1372 
1373  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1374  1 << H264_NAL_FILLER_DATA));
1375 
1376 #ifdef READ
1377  while (show_bits(rw, 8) == 0xff) {
1378  fixed(8, ff_byte, 0xff);
1379  ++current->filler_size;
1380  }
1381 #else
1382  {
1383  uint32_t i;
1384  for (i = 0; i < current->filler_size; i++)
1385  fixed(8, ff_byte, 0xff);
1386  }
1387 #endif
1388 
1390 
1391  return 0;
1392 }
1393 
1395  H264RawNALUnitHeader *current)
1396 {
1397  HEADER("End of Sequence");
1398 
1399  return FUNC(nal_unit_header)(ctx, rw, current,
1400  1 << H264_NAL_END_SEQUENCE);
1401 }
1402 
1404  H264RawNALUnitHeader *current)
1405 {
1406  HEADER("End of Stream");
1407 
1408  return FUNC(nal_unit_header)(ctx, rw, current,
1409  1 << H264_NAL_END_STREAM);
1410 }
#define allocate(name, size)
Definition: cbs_h2645.c:385
static int FUNC() sei_mastering_display_colour_volume(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIMasteringDisplayColourVolume *current)
uint8_t deblocking_filter_control_present_flag
Definition: cbs_h264.h:212
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static int FUNC() dec_ref_pic_marking(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current, int idr_pic_flag)
#define se(name, range_min, range_max)
Definition: cbs_h2645.c:258
static int FUNC() sei_pic_timestamp(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPicTimestamp *current, const H264RawSPS *sps)
uint8_t dpb_output_delay_length_minus1
Definition: cbs_h264.h:64
#define fixed(width, name, value)
Definition: cbs_av1.c:589
uint8_t initial_cpb_removal_delay_length_minus1
Definition: cbs_h264.h:62
H264RawPPS * pps[H264_MAX_PPS_COUNT]
Definition: cbs_h264.h:449
#define RWContext
Definition: cbs_av1.c:684
uint8_t log2_max_frame_num_minus4
Definition: cbs_h264.h:138
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:261
int av_log2(unsigned v)
Definition: intmath.c:26
static int FUNC() sps_extension(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPSExtension *current)
#define xue(name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:359
H264RawVUI vui
Definition: cbs_h264.h:164
static int FUNC() sei_display_orientation(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIDisplayOrientation *current)
static int FUNC() scaling_list(CodedBitstreamContext *ctx, RWContext *rw, H264RawScalingList *current, int size_of_scaling_list)
int profile_idc
Definition: h264_levels.c:52
pan-scan rectangle
Definition: h264_sei.h:30
uint8_t weighted_pred_flag
Definition: cbs_h264.h:205
H264RawHRD nal_hrd_parameters
Definition: cbs_h264.h:95
static int FUNC() sei_payload(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPayload *current)
uint8_t
uint16_t pic_width_in_mbs_minus1
Definition: cbs_h264.h:150
#define byte_alignment(rw)
Definition: cbs_av1.c:738
#define HEADER(name)
Definition: cbs_av1.c:556
#define MAX_UINT_BITS(length)
Definition: cbs_internal.h:86
static int FUNC() vui_parameters_default(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
unregistered user data
Definition: h264_sei.h:33
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:253
display orientation
Definition: h264_sei.h:36
int level_idc
Definition: h264_levels.c:25
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
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 get_bits_count(const GetBitContext *s)
Definition: get_bits.h:219
H264RawSPS * sps[H264_MAX_SPS_COUNT]
Definition: cbs_h264.h:448
static int FUNC() slice_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
#define av_log(a,...)
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h264.h:94
uint8_t bit_depth_luma_minus8
Definition: cbs_h264.h:129
uint8_t slice_group_map_type
Definition: cbs_h264.h:191
buffering period (H.264, D.1.1)
Definition: h264_sei.h:28
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#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
uint8_t max_num_ref_frames
Definition: cbs_h264.h:147
uint8_t weighted_bipred_idc
Definition: cbs_h264.h:206
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPanScanRect *current)
#define ue(name, range_min, range_max)
Definition: cbs_h2645.c:256
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t num_ref_idx_l1_default_active_minus1
Definition: cbs_h264.h:203
GLsizei GLsizei * length
Definition: opengl_enc.c:115
uint8_t frame_mbs_only_flag
Definition: cbs_h264.h:153
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:85
uint8_t seq_parameter_set_id
Definition: cbs_h264.h:185
static int FUNC() sei_recovery_point(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIRecoveryPoint *current)
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
picture timing
Definition: h264_sei.h:29
static int FUNC() ref_pic_list_modification(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
uint8_t separate_colour_plane_flag
Definition: cbs_h264.h:128
uint8_t last_slice_nal_unit_type
Definition: cbs_h264.h:460
AVFormatContext * ctx
Definition: movenc.c:48
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
Definition: get_bits.h:443
#define more_rbsp_data(var)
Definition: cbs_h2645.c:381
uint8_t chroma_format_idc
Definition: cbs_h264.h:127
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawHRD *current)
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
static int FUNC() vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
uint8_t cpb_cnt_minus1
Definition: cbs_h264.h:54
static int FUNC() nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current, uint32_t valid_type_mask)
uint8_t num_slice_groups_minus1
Definition: cbs_h264.h:190
uint8_t bottom_field_pic_order_in_frame_present_flag
Definition: cbs_h264.h:188
uint8_t entropy_coding_mode_flag
Definition: cbs_h264.h:187
#define xu(width, name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:353
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
uint8_t pic_order_cnt_type
Definition: cbs_h264.h:139
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
Context structure for coded bitstream operations.
Definition: cbs.h:159
uint8_t num_ref_idx_l0_default_active_minus1
Definition: cbs_h264.h:202
static int FUNC() end_of_sequence(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current)
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
recovery point (frame # to decoder sync)
Definition: h264_sei.h:34
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition: cbs_h2645.c:307
registered user data as specified by Rec. ITU-T T.35
Definition: h264_sei.h:32
#define flags(name, subs,...)
Definition: cbs_av1.c:584
static int FUNC() filler(CodedBitstreamContext *ctx, RWContext *rw, H264RawFiller *current)
static int FUNC() sei_user_data_registered(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIUserDataRegistered *current, uint32_t *payload_size)
static int FUNC() end_of_stream(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current)
uint8_t redundant_pic_cnt_present_flag
Definition: cbs_h264.h:217
uint8_t pic_struct_present_flag
Definition: cbs_h264.h:100
#define flag(name)
Definition: cbs_av1.c:576
static double c[64]
uint8_t cpb_removal_delay_length_minus1
Definition: cbs_h264.h:63
static int FUNC() sei_user_data_unregistered(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIUserDataUnregistered *current, uint32_t *payload_size)
static int FUNC() sei(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEI *current)
static int FUNC() sei_buffering_period(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIBufferingPeriod *current)
static int FUNC() sei_pic_timing(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPicTiming *current)
uint8_t log2_max_pic_order_cnt_lsb_minus4
Definition: cbs_h264.h:140
void * priv_data
Format private data.
Definition: avformat.h:1379
uint8_t delta_pic_order_always_zero_flag
Definition: cbs_h264.h:141
mastering display properties
Definition: h264_sei.h:38
const H264RawPPS * active_pps
Definition: cbs_h264.h:455
uint16_t pic_height_in_map_units_minus1
Definition: cbs_h264.h:151
#define infer(name, value)
Definition: cbs_av1.c:729
#define ues(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:265
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h264.h:96
H264RawHRD vcl_hrd_parameters
Definition: cbs_h264.h:97
const H264RawSPS * active_sps
Definition: cbs_h264.h:454
uint16_t slice_group_change_rate_minus1
Definition: cbs_h264.h:196
static uint8_t tmp[11]
Definition: aes_ctr.c:26