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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  ue(log2_max_mv_length_horizontal, 0, 16);
189  ue(log2_max_mv_length_vertical, 0, 16);
190  ue(max_num_reorder_frames, 0, H264_MAX_DPB_FRAMES);
191  ue(max_dec_frame_buffering, 0, H264_MAX_DPB_FRAMES);
192  } else {
193  infer(motion_vectors_over_pic_boundaries_flag, 1);
194  infer(max_bytes_per_pic_denom, 2);
195  infer(max_bits_per_mb_denom, 1);
196  infer(log2_max_mv_length_horizontal, 16);
197  infer(log2_max_mv_length_vertical, 16);
198 
199  if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
200  sps->profile_idc == 110 || sps->profile_idc == 110 ||
201  sps->profile_idc == 122 || sps->profile_idc == 244) &&
202  sps->constraint_set3_flag) {
203  infer(max_num_reorder_frames, 0);
204  infer(max_dec_frame_buffering, 0);
205  } else {
206  infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
207  infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
208  }
209  }
210 
211  return 0;
212 }
213 
215  H264RawSPS *current)
216 {
217  int err, i;
218 
219  HEADER("Sequence Parameter Set");
220 
221  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
222  1 << H264_NAL_SPS));
223 
224  u(8, profile_idc, 0, 255);
225 
226  flag(constraint_set0_flag);
227  flag(constraint_set1_flag);
228  flag(constraint_set2_flag);
229  flag(constraint_set3_flag);
230  flag(constraint_set4_flag);
231  flag(constraint_set5_flag);
232 
233  u(2, reserved_zero_2bits, 0, 0);
234 
235  u(8, level_idc, 0, 255);
236 
237  ue(seq_parameter_set_id, 0, 31);
238 
239  if (current->profile_idc == 100 || current->profile_idc == 110 ||
240  current->profile_idc == 122 || current->profile_idc == 244 ||
241  current->profile_idc == 44 || current->profile_idc == 83 ||
242  current->profile_idc == 86 || current->profile_idc == 118 ||
243  current->profile_idc == 128 || current->profile_idc == 138) {
244  ue(chroma_format_idc, 0, 3);
245 
246  if (current->chroma_format_idc == 3)
247  flag(separate_colour_plane_flag);
248  else
249  infer(separate_colour_plane_flag, 0);
250 
251  ue(bit_depth_luma_minus8, 0, 6);
252  ue(bit_depth_chroma_minus8, 0, 6);
253 
254  flag(qpprime_y_zero_transform_bypass_flag);
255 
256  flag(seq_scaling_matrix_present_flag);
257  if (current->seq_scaling_matrix_present_flag) {
258  for (i = 0; i < ((current->chroma_format_idc != 3) ? 8 : 12); i++) {
259  flags(seq_scaling_list_present_flag[i], 1, i);
260  if (current->seq_scaling_list_present_flag[i]) {
261  if (i < 6)
262  CHECK(FUNC(scaling_list)(ctx, rw,
263  &current->scaling_list_4x4[i],
264  16));
265  else
266  CHECK(FUNC(scaling_list)(ctx, rw,
267  &current->scaling_list_8x8[i - 6],
268  64));
269  }
270  }
271  }
272  } else {
273  infer(chroma_format_idc, current->profile_idc == 183 ? 0 : 1);
274 
275  infer(separate_colour_plane_flag, 0);
276  infer(bit_depth_luma_minus8, 0);
277  infer(bit_depth_chroma_minus8, 0);
278  }
279 
280  ue(log2_max_frame_num_minus4, 0, 12);
281  ue(pic_order_cnt_type, 0, 2);
282 
283  if (current->pic_order_cnt_type == 0) {
284  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
285  } else if (current->pic_order_cnt_type == 1) {
286  flag(delta_pic_order_always_zero_flag);
287  se(offset_for_non_ref_pic, INT32_MIN + 1, INT32_MAX);
288  se(offset_for_top_to_bottom_field, INT32_MIN + 1, INT32_MAX);
289  ue(num_ref_frames_in_pic_order_cnt_cycle, 0, 255);
290 
291  for (i = 0; i < current->num_ref_frames_in_pic_order_cnt_cycle; i++)
292  ses(offset_for_ref_frame[i], INT32_MIN + 1, INT32_MAX, 1, i);
293  }
294 
295  ue(max_num_ref_frames, 0, H264_MAX_DPB_FRAMES);
296  flag(gaps_in_frame_num_allowed_flag);
297 
298  ue(pic_width_in_mbs_minus1, 0, H264_MAX_MB_WIDTH);
299  ue(pic_height_in_map_units_minus1, 0, H264_MAX_MB_HEIGHT);
300 
301  flag(frame_mbs_only_flag);
302  if (!current->frame_mbs_only_flag)
303  flag(mb_adaptive_frame_field_flag);
304 
305  flag(direct_8x8_inference_flag);
306 
307  flag(frame_cropping_flag);
308  if (current->frame_cropping_flag) {
309  ue(frame_crop_left_offset, 0, H264_MAX_WIDTH);
310  ue(frame_crop_right_offset, 0, H264_MAX_WIDTH);
311  ue(frame_crop_top_offset, 0, H264_MAX_HEIGHT);
312  ue(frame_crop_bottom_offset, 0, H264_MAX_HEIGHT);
313  }
314 
315  flag(vui_parameters_present_flag);
316  if (current->vui_parameters_present_flag)
317  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
318 
320 
321  return 0;
322 }
323 
325  H264RawSPSExtension *current)
326 {
327  int err;
328 
329  HEADER("Sequence Parameter Set Extension");
330 
331  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
332  1 << H264_NAL_SPS_EXT));
333 
334  ue(seq_parameter_set_id, 0, 31);
335 
336  ue(aux_format_idc, 0, 3);
337 
338  if (current->aux_format_idc != 0) {
339  int bits;
340 
341  ue(bit_depth_aux_minus8, 0, 4);
342  flag(alpha_incr_flag);
343 
344  bits = current->bit_depth_aux_minus8 + 9;
345  u(bits, alpha_opaque_value, 0, MAX_UINT_BITS(bits));
346  u(bits, alpha_transparent_value, 0, MAX_UINT_BITS(bits));
347  }
348 
349  flag(additional_extension_flag);
350 
352 
353  return 0;
354 }
355 
357  H264RawPPS *current)
358 {
360  const H264RawSPS *sps;
361  int err, i;
362 
363  HEADER("Picture Parameter Set");
364 
365  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
366  1 << H264_NAL_PPS));
367 
368  ue(pic_parameter_set_id, 0, 255);
369  ue(seq_parameter_set_id, 0, 31);
370 
371  sps = h264->sps[current->seq_parameter_set_id];
372  if (!sps) {
373  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
374  current->seq_parameter_set_id);
375  return AVERROR_INVALIDDATA;
376  }
377 
378  flag(entropy_coding_mode_flag);
379  flag(bottom_field_pic_order_in_frame_present_flag);
380 
381  ue(num_slice_groups_minus1, 0, 7);
382  if (current->num_slice_groups_minus1 > 0) {
383  unsigned int pic_size;
384  int iGroup;
385 
386  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
388 
389  ue(slice_group_map_type, 0, 6);
390 
391  if (current->slice_group_map_type == 0) {
392  for (iGroup = 0; iGroup <= current->num_slice_groups_minus1; iGroup++)
393  ues(run_length_minus1[iGroup], 0, pic_size - 1, 1, iGroup);
394 
395  } else if (current->slice_group_map_type == 2) {
396  for (iGroup = 0; iGroup < current->num_slice_groups_minus1; iGroup++) {
397  ues(top_left[iGroup], 0, pic_size - 1, 1, iGroup);
398  ues(bottom_right[iGroup],
399  current->top_left[iGroup], pic_size - 1, 1, iGroup);
400  }
401  } else if (current->slice_group_map_type == 3 ||
402  current->slice_group_map_type == 4 ||
403  current->slice_group_map_type == 5) {
404  flag(slice_group_change_direction_flag);
405  ue(slice_group_change_rate_minus1, 0, pic_size - 1);
406  } else if (current->slice_group_map_type == 6) {
407  ue(pic_size_in_map_units_minus1, pic_size - 1, pic_size - 1);
408 
409  allocate(current->slice_group_id,
410  current->pic_size_in_map_units_minus1 + 1);
411  for (i = 0; i <= current->pic_size_in_map_units_minus1; i++)
412  us(av_log2(2 * current->num_slice_groups_minus1 + 1),
413  slice_group_id[i], 0, current->num_slice_groups_minus1, 1, i);
414  }
415  }
416 
417  ue(num_ref_idx_l0_default_active_minus1, 0, 31);
418  ue(num_ref_idx_l1_default_active_minus1, 0, 31);
419 
420  flag(weighted_pred_flag);
421  u(2, weighted_bipred_idc, 0, 2);
422 
423  se(pic_init_qp_minus26, -26 - 6 * sps->bit_depth_luma_minus8, +25);
424  se(pic_init_qs_minus26, -26, +25);
425  se(chroma_qp_index_offset, -12, +12);
426 
427  flag(deblocking_filter_control_present_flag);
428  flag(constrained_intra_pred_flag);
429  flag(redundant_pic_cnt_present_flag);
430 
431  if (more_rbsp_data(current->more_rbsp_data))
432  {
433  flag(transform_8x8_mode_flag);
434 
435  flag(pic_scaling_matrix_present_flag);
436  if (current->pic_scaling_matrix_present_flag) {
437  for (i = 0; i < 6 + (((sps->chroma_format_idc != 3) ? 2 : 6) *
438  current->transform_8x8_mode_flag); i++) {
439  flags(pic_scaling_list_present_flag[i], 1, i);
440  if (current->pic_scaling_list_present_flag[i]) {
441  if (i < 6)
442  CHECK(FUNC(scaling_list)(ctx, rw,
443  &current->scaling_list_4x4[i],
444  16));
445  else
446  CHECK(FUNC(scaling_list)(ctx, rw,
447  &current->scaling_list_8x8[i - 6],
448  64));
449  }
450  }
451  }
452 
453  se(second_chroma_qp_index_offset, -12, +12);
454  } else {
455  infer(transform_8x8_mode_flag, 0);
456  infer(pic_scaling_matrix_present_flag, 0);
457  infer(second_chroma_qp_index_offset, current->chroma_qp_index_offset);
458  }
459 
461 
462  return 0;
463 }
464 
466  H264RawSEIBufferingPeriod *current)
467 {
469  const H264RawSPS *sps;
470  int err, i, length;
471 
472  ue(seq_parameter_set_id, 0, 31);
473 
474  sps = h264->sps[current->seq_parameter_set_id];
475  if (!sps) {
476  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
477  current->seq_parameter_set_id);
478  return AVERROR_INVALIDDATA;
479  }
480  h264->active_sps = sps;
481 
483  for (i = 0; i <= sps->vui.nal_hrd_parameters.cpb_cnt_minus1; i++) {
485  xu(length, initial_cpb_removal_delay[SchedSelIdx],
486  current->nal.initial_cpb_removal_delay[i],
487  1, MAX_UINT_BITS(length), 1, i);
488  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
489  current->nal.initial_cpb_removal_delay_offset[i],
490  0, MAX_UINT_BITS(length), 1, i);
491  }
492  }
493 
495  for (i = 0; i <= sps->vui.vcl_hrd_parameters.cpb_cnt_minus1; i++) {
497  xu(length, initial_cpb_removal_delay[SchedSelIdx],
498  current->vcl.initial_cpb_removal_delay[i],
499  1, MAX_UINT_BITS(length), 1, i);
500  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
501  current->vcl.initial_cpb_removal_delay_offset[i],
502  0, MAX_UINT_BITS(length), 1, i);
503  }
504  }
505 
506  return 0;
507 }
508 
510  H264RawSEIPicTimestamp *current)
511 {
513  const H264RawSPS *sps;
514  uint8_t time_offset_length;
515  int err;
516 
517  u(2, ct_type, 0, 2);
518  flag(nuit_field_based_flag);
519  u(5, counting_type, 0, 6);
520  flag(full_timestamp_flag);
521  flag(discontinuity_flag);
522  flag(cnt_dropped_flag);
523  u(8, n_frames, 0, 255);
524  if (current->full_timestamp_flag) {
525  u(6, seconds_value, 0, 59);
526  u(6, minutes_value, 0, 59);
527  u(5, hours_value, 0, 23);
528  } else {
529  flag(seconds_flag);
530  if (current->seconds_flag) {
531  u(6, seconds_value, 0, 59);
532  flag(minutes_flag);
533  if (current->minutes_flag) {
534  u(6, minutes_value, 0, 59);
535  flag(hours_flag);
536  if (current->hours_flag)
537  u(5, hours_value, 0, 23);
538  }
539  }
540  }
541 
542  sps = h264->active_sps;
544  time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length;
545  else if (sps->vui.vcl_hrd_parameters_present_flag)
546  time_offset_length = sps->vui.vcl_hrd_parameters.time_offset_length;
547  else
548  time_offset_length = 24;
549 
550  if (time_offset_length > 0)
551  u(time_offset_length, time_offset,
552  0, MAX_UINT_BITS(time_offset_length));
553  else
554  infer(time_offset, 0);
555 
556  return 0;
557 }
558 
560  H264RawSEIPicTiming *current)
561 {
563  const H264RawSPS *sps;
564  int err;
565 
566  sps = h264->active_sps;
567  if (!sps) {
568  // If there is exactly one possible SPS but it is not yet active
569  // then just assume that it should be the active one.
570  int i, k = -1;
571  for (i = 0; i < H264_MAX_SPS_COUNT; i++) {
572  if (h264->sps[i]) {
573  if (k >= 0) {
574  k = -1;
575  break;
576  }
577  k = i;
578  }
579  }
580  if (k >= 0)
581  sps = h264->sps[k];
582  }
583  if (!sps) {
584  av_log(ctx->log_ctx, AV_LOG_ERROR,
585  "No active SPS for pic_timing.\n");
586  return AVERROR_INVALIDDATA;
587  }
588 
591  const H264RawHRD *hrd;
592 
594  hrd = &sps->vui.nal_hrd_parameters;
595  else if (sps->vui.vcl_hrd_parameters_present_flag)
596  hrd = &sps->vui.vcl_hrd_parameters;
597  else {
598  av_log(ctx->log_ctx, AV_LOG_ERROR,
599  "No HRD parameters for pic_timing.\n");
600  return AVERROR_INVALIDDATA;
601  }
602 
603  u(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay,
605  u(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay,
607  }
608 
609  if (sps->vui.pic_struct_present_flag) {
610  static const int num_clock_ts[9] = {
611  1, 1, 1, 2, 2, 3, 3, 2, 3
612  };
613  int i;
614 
615  u(4, pic_struct, 0, 8);
616  if (current->pic_struct > 8)
617  return AVERROR_INVALIDDATA;
618 
619  for (i = 0; i < num_clock_ts[current->pic_struct]; i++) {
620  flags(clock_timestamp_flag[i], 1, i);
621  if (current->clock_timestamp_flag[i])
622  CHECK(FUNC(sei_pic_timestamp)(ctx, rw, &current->timestamp[i]));
623  }
624  }
625 
626  return 0;
627 }
628 
630  H264RawSEIPanScanRect *current)
631 {
632  int err, i;
633 
634  ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
635  flag(pan_scan_rect_cancel_flag);
636 
637  if (!current->pan_scan_rect_cancel_flag) {
638  ue(pan_scan_cnt_minus1, 0, 2);
639 
640  for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
641  ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
642  ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
643  ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
644  ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
645  }
646 
647  ue(pan_scan_rect_repetition_period, 0, 16384);
648  }
649 
650  return 0;
651 }
652 
655  uint32_t *payload_size)
656 {
657  int err, i, j;
658 
659  u(8, itu_t_t35_country_code, 0x00, 0xff);
660  if (current->itu_t_t35_country_code != 0xff)
661  i = 1;
662  else {
663  u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
664  i = 2;
665  }
666 
667 #ifdef READ
668  if (*payload_size < i) {
669  av_log(ctx->log_ctx, AV_LOG_ERROR,
670  "Invalid SEI user data registered payload.\n");
671  return AVERROR_INVALIDDATA;
672  }
673  current->data_length = *payload_size - i;
674 #else
675  *payload_size = i + current->data_length;
676 #endif
677 
678  allocate(current->data, current->data_length);
679  for (j = 0; j < current->data_length; j++)
680  xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
681 
682  return 0;
683 }
684 
687  uint32_t *payload_size)
688 {
689  int err, i;
690 
691 #ifdef READ
692  if (*payload_size < 16) {
693  av_log(ctx->log_ctx, AV_LOG_ERROR,
694  "Invalid SEI user data unregistered payload.\n");
695  return AVERROR_INVALIDDATA;
696  }
697  current->data_length = *payload_size - 16;
698 #else
699  *payload_size = 16 + current->data_length;
700 #endif
701 
702  for (i = 0; i < 16; i++)
703  us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
704 
705  allocate(current->data, current->data_length);
706 
707  for (i = 0; i < current->data_length; i++)
708  xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
709 
710  return 0;
711 }
712 
714  H264RawSEIRecoveryPoint *current)
715 {
716  int err;
717 
718  ue(recovery_frame_cnt, 0, 65535);
719  flag(exact_match_flag);
720  flag(broken_link_flag);
721  u(2, changing_slice_group_idc, 0, 2);
722 
723  return 0;
724 }
725 
728 {
729  int err;
730 
731  flag(display_orientation_cancel_flag);
732  if (!current->display_orientation_cancel_flag) {
733  flag(hor_flip);
734  flag(ver_flip);
735  u(16, anticlockwise_rotation, 0, 65535);
736  ue(display_orientation_repetition_period, 0, 16384);
737  flag(display_orientation_extension_flag);
738  }
739 
740  return 0;
741 }
742 
745 {
746  int err, c;
747 
748  for (c = 0; c < 3; c++) {
749  us(16, display_primaries_x[c], 0, 50000, 1, c);
750  us(16, display_primaries_y[c], 0, 50000, 1, c);
751  }
752 
753  u(16, white_point_x, 0, 50000);
754  u(16, white_point_y, 0, 50000);
755 
756  u(32, max_display_mastering_luminance, 1, MAX_UINT_BITS(32));
757  u(32, min_display_mastering_luminance, 0, current->max_display_mastering_luminance - 1);
758 
759  return 0;
760 }
761 
763  H264RawSEIPayload *current)
764 {
765  int err, i;
766  int start_position, end_position;
767 
768 #ifdef READ
769  start_position = get_bits_count(rw);
770 #else
771  start_position = put_bits_count(rw);
772 #endif
773 
774  switch (current->payload_type) {
777  (ctx, rw, &current->payload.buffering_period));
778  break;
781  (ctx, rw, &current->payload.pic_timing));
782  break;
785  (ctx, rw, &current->payload.pan_scan_rect));
786  break;
788  {
789  for (i = 0; i < current->payload_size; i++)
790  fixed(8, ff_byte, 0xff);
791  }
792  break;
795  (ctx, rw, &current->payload.user_data_registered, &current->payload_size));
796  break;
799  (ctx, rw, &current->payload.user_data_unregistered, &current->payload_size));
800  break;
803  (ctx, rw, &current->payload.recovery_point));
804  break;
807  (ctx, rw, &current->payload.display_orientation));
808  break;
811  (ctx, rw, &current->payload.mastering_display_colour_volume));
812  break;
813  default:
814  {
815 #ifdef READ
816  current->payload.other.data_length = current->payload_size;
817 #endif
818  allocate(current->payload.other.data, current->payload.other.data_length);
819  for (i = 0; i < current->payload.other.data_length; i++)
820  xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, 1, i);
821  }
822  }
823 
824  if (byte_alignment(rw)) {
825  fixed(1, bit_equal_to_one, 1);
826  while (byte_alignment(rw))
827  fixed(1, bit_equal_to_zero, 0);
828  }
829 
830 #ifdef READ
831  end_position = get_bits_count(rw);
832  if (end_position < start_position + 8 * current->payload_size) {
833  av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
834  "header %"PRIu32" bits, actually %d bits.\n",
835  8 * current->payload_size,
836  end_position - start_position);
837  return AVERROR_INVALIDDATA;
838  }
839 #else
840  end_position = put_bits_count(rw);
841  current->payload_size = (end_position - start_position) / 8;
842 #endif
843 
844  return 0;
845 }
846 
848  H264RawSEI *current)
849 {
850  int err, k;
851 
852  HEADER("Supplemental Enhancement Information");
853 
854  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
855  1 << H264_NAL_SEI));
856 
857 #ifdef READ
858  for (k = 0; k < H264_MAX_SEI_PAYLOADS; k++) {
859  uint32_t payload_type = 0;
860  uint32_t payload_size = 0;
861  uint32_t tmp;
862 
863  while (show_bits(rw, 8) == 0xff) {
864  fixed(8, ff_byte, 0xff);
865  payload_type += 255;
866  }
867  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
868  payload_type += tmp;
869 
870  while (show_bits(rw, 8) == 0xff) {
871  fixed(8, ff_byte, 0xff);
872  payload_size += 255;
873  }
874  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
875  payload_size += tmp;
876 
877  current->payload[k].payload_type = payload_type;
878  current->payload[k].payload_size = payload_size;
879 
880  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
881 
883  break;
884  }
885  if (k >= H264_MAX_SEI_PAYLOADS) {
886  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
887  "SEI message: found %d.\n", k);
888  return AVERROR_INVALIDDATA;
889  }
890  current->payload_count = k + 1;
891 #else
892  for (k = 0; k < current->payload_count; k++) {
893  PutBitContext start_state;
894  uint32_t tmp;
895  int need_size, i;
896 
897  // Somewhat clumsy: we write the payload twice when
898  // we don't know the size in advance. This will mess
899  // with trace output, but is otherwise harmless.
900  start_state = *rw;
901  need_size = !current->payload[k].payload_size;
902  for (i = 0; i < 1 + need_size; i++) {
903  *rw = start_state;
904 
905  tmp = current->payload[k].payload_type;
906  while (tmp >= 255) {
907  fixed(8, ff_byte, 0xff);
908  tmp -= 255;
909  }
910  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
911 
912  tmp = current->payload[k].payload_size;
913  while (tmp >= 255) {
914  fixed(8, ff_byte, 0xff);
915  tmp -= 255;
916  }
917  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
918 
919  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
920  }
921  }
922 #endif
923 
925 
926  return 0;
927 }
928 
930  H264RawAUD *current)
931 {
932  int err;
933 
934  HEADER("Access Unit Delimiter");
935 
936  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
937  1 << H264_NAL_AUD));
938 
939  u(3, primary_pic_type, 0, 7);
940 
942 
943  return 0;
944 }
945 
947  H264RawSliceHeader *current)
948 {
950  const H264RawSPS *sps = h264->active_sps;
951  int err, i, mopn;
952 
953  if (current->slice_type % 5 != 2 &&
954  current->slice_type % 5 != 4) {
955  flag(ref_pic_list_modification_flag_l0);
956  if (current->ref_pic_list_modification_flag_l0) {
957  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
958  xue(modification_of_pic_nums_idc,
959  current->rplm_l0[i].modification_of_pic_nums_idc, 0, 3, 0);
960 
961  mopn = current->rplm_l0[i].modification_of_pic_nums_idc;
962  if (mopn == 3)
963  break;
964 
965  if (mopn == 0 || mopn == 1)
966  xue(abs_diff_pic_num_minus1,
967  current->rplm_l0[i].abs_diff_pic_num_minus1,
968  0, (1 + current->field_pic_flag) *
969  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
970  else if (mopn == 2)
971  xue(long_term_pic_num,
972  current->rplm_l0[i].long_term_pic_num,
973  0, sps->max_num_ref_frames - 1, 0);
974  }
975  }
976  }
977 
978  if (current->slice_type % 5 == 1) {
979  flag(ref_pic_list_modification_flag_l1);
980  if (current->ref_pic_list_modification_flag_l1) {
981  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
982  xue(modification_of_pic_nums_idc,
983  current->rplm_l1[i].modification_of_pic_nums_idc, 0, 3, 0);
984 
985  mopn = current->rplm_l1[i].modification_of_pic_nums_idc;
986  if (mopn == 3)
987  break;
988 
989  if (mopn == 0 || mopn == 1)
990  xue(abs_diff_pic_num_minus1,
991  current->rplm_l1[i].abs_diff_pic_num_minus1,
992  0, (1 + current->field_pic_flag) *
993  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
994  else if (mopn == 2)
995  xue(long_term_pic_num,
996  current->rplm_l1[i].long_term_pic_num,
997  0, sps->max_num_ref_frames - 1, 0);
998  }
999  }
1000  }
1001 
1002  return 0;
1003 }
1004 
1006  H264RawSliceHeader *current)
1007 {
1009  const H264RawSPS *sps = h264->active_sps;
1010  int chroma;
1011  int err, i, j;
1012 
1013  ue(luma_log2_weight_denom, 0, 7);
1014 
1015  chroma = !sps->separate_colour_plane_flag && sps->chroma_format_idc != 0;
1016  if (chroma)
1017  ue(chroma_log2_weight_denom, 0, 7);
1018 
1019  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1020  flags(luma_weight_l0_flag[i], 1, i);
1021  if (current->luma_weight_l0_flag[i]) {
1022  ses(luma_weight_l0[i], -128, +127, 1, i);
1023  ses(luma_offset_l0[i], -128, +127, 1, i);
1024  }
1025  if (chroma) {
1026  flags(chroma_weight_l0_flag[i], 1, i);
1027  if (current->chroma_weight_l0_flag[i]) {
1028  for (j = 0; j < 2; j++) {
1029  ses(chroma_weight_l0[i][j], -128, +127, 2, i, j);
1030  ses(chroma_offset_l0[i][j], -128, +127, 2, i, j);
1031  }
1032  }
1033  }
1034  }
1035 
1036  if (current->slice_type % 5 == 1) {
1037  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1038  flags(luma_weight_l1_flag[i], 1, i);
1039  if (current->luma_weight_l1_flag[i]) {
1040  ses(luma_weight_l1[i], -128, +127, 1, i);
1041  ses(luma_offset_l1[i], -128, +127, 1, i);
1042  }
1043  if (chroma) {
1044  flags(chroma_weight_l1_flag[i], 1, i);
1045  if (current->chroma_weight_l1_flag[i]) {
1046  for (j = 0; j < 2; j++) {
1047  ses(chroma_weight_l1[i][j], -128, +127, 2, i, j);
1048  ses(chroma_offset_l1[i][j], -128, +127, 2, i, j);
1049  }
1050  }
1051  }
1052  }
1053  }
1054 
1055  return 0;
1056 }
1057 
1059  H264RawSliceHeader *current, int idr_pic_flag)
1060 {
1062  const H264RawSPS *sps = h264->active_sps;
1063  int err, i;
1064  uint32_t mmco;
1065 
1066  if (idr_pic_flag) {
1067  flag(no_output_of_prior_pics_flag);
1068  flag(long_term_reference_flag);
1069  } else {
1070  flag(adaptive_ref_pic_marking_mode_flag);
1071  if (current->adaptive_ref_pic_marking_mode_flag) {
1072  for (i = 0; i < H264_MAX_MMCO_COUNT; i++) {
1073  xue(memory_management_control_operation,
1074  current->mmco[i].memory_management_control_operation,
1075  0, 6, 0);
1076 
1077  mmco = current->mmco[i].memory_management_control_operation;
1078  if (mmco == 0)
1079  break;
1080 
1081  if (mmco == 1 || mmco == 3)
1082  xue(difference_of_pic_nums_minus1,
1083  current->mmco[i].difference_of_pic_nums_minus1,
1084  0, INT32_MAX, 0);
1085  if (mmco == 2)
1086  xue(long_term_pic_num,
1087  current->mmco[i].long_term_pic_num,
1088  0, sps->max_num_ref_frames - 1, 0);
1089  if (mmco == 3 || mmco == 6)
1090  xue(long_term_frame_idx,
1091  current->mmco[i].long_term_frame_idx,
1092  0, sps->max_num_ref_frames - 1, 0);
1093  if (mmco == 4)
1094  xue(max_long_term_frame_idx_plus1,
1095  current->mmco[i].max_long_term_frame_idx_plus1,
1096  0, sps->max_num_ref_frames, 0);
1097  }
1098  if (i == H264_MAX_MMCO_COUNT) {
1099  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many "
1100  "memory management control operations.\n");
1101  return AVERROR_INVALIDDATA;
1102  }
1103  }
1104  }
1105 
1106  return 0;
1107 }
1108 
1110  H264RawSliceHeader *current)
1111 {
1113  const H264RawSPS *sps;
1114  const H264RawPPS *pps;
1115  int err;
1116  int idr_pic_flag;
1117  int slice_type_i, slice_type_p, slice_type_b;
1118  int slice_type_si, slice_type_sp;
1119 
1120  HEADER("Slice Header");
1121 
1122  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1123  1 << H264_NAL_SLICE |
1124  1 << H264_NAL_IDR_SLICE |
1125  1 << H264_NAL_AUXILIARY_SLICE));
1126 
1127  if (current->nal_unit_header.nal_unit_type == H264_NAL_AUXILIARY_SLICE) {
1128  if (!h264->last_slice_nal_unit_type) {
1129  av_log(ctx->log_ctx, AV_LOG_ERROR, "Auxiliary slice "
1130  "is not decodable without the main picture "
1131  "in the same access unit.\n");
1132  return AVERROR_INVALIDDATA;
1133  }
1134  } else {
1135  h264->last_slice_nal_unit_type =
1136  current->nal_unit_header.nal_unit_type;
1137  }
1138  idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;
1139 
1140  ue(first_mb_in_slice, 0, H264_MAX_MB_PIC_SIZE - 1);
1141  ue(slice_type, 0, 9);
1142 
1143  slice_type_i = current->slice_type % 5 == 2;
1144  slice_type_p = current->slice_type % 5 == 0;
1145  slice_type_b = current->slice_type % 5 == 1;
1146  slice_type_si = current->slice_type % 5 == 4;
1147  slice_type_sp = current->slice_type % 5 == 3;
1148 
1149  if (idr_pic_flag && !(slice_type_i || slice_type_si)) {
1150  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid slice type %d "
1151  "for IDR picture.\n", current->slice_type);
1152  return AVERROR_INVALIDDATA;
1153  }
1154 
1155  ue(pic_parameter_set_id, 0, 255);
1156 
1157  pps = h264->pps[current->pic_parameter_set_id];
1158  if (!pps) {
1159  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1160  current->pic_parameter_set_id);
1161  return AVERROR_INVALIDDATA;
1162  }
1163  h264->active_pps = pps;
1164 
1165  sps = h264->sps[pps->seq_parameter_set_id];
1166  if (!sps) {
1167  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1168  pps->seq_parameter_set_id);
1169  return AVERROR_INVALIDDATA;
1170  }
1171  h264->active_sps = sps;
1172 
1173  if (sps->separate_colour_plane_flag)
1174  u(2, colour_plane_id, 0, 2);
1175 
1176  u(sps->log2_max_frame_num_minus4 + 4, frame_num,
1178 
1179  if (!sps->frame_mbs_only_flag) {
1180  flag(field_pic_flag);
1181  if (current->field_pic_flag)
1182  flag(bottom_field_flag);
1183  else
1184  infer(bottom_field_flag, 0);
1185  } else {
1186  infer(field_pic_flag, 0);
1187  infer(bottom_field_flag, 0);
1188  }
1189 
1190  if (idr_pic_flag)
1191  ue(idr_pic_id, 0, 65535);
1192 
1193  if (sps->pic_order_cnt_type == 0) {
1194  u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb,
1197  !current->field_pic_flag)
1198  se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX);
1199 
1200  } else if (sps->pic_order_cnt_type == 1) {
1202  se(delta_pic_order_cnt[0], INT32_MIN + 1, INT32_MAX);
1204  !current->field_pic_flag)
1205  se(delta_pic_order_cnt[1], INT32_MIN + 1, INT32_MAX);
1206  else
1207  infer(delta_pic_order_cnt[1], 0);
1208  } else {
1209  infer(delta_pic_order_cnt[0], 0);
1210  infer(delta_pic_order_cnt[1], 0);
1211  }
1212  }
1213 
1215  ue(redundant_pic_cnt, 0, 127);
1216 
1217  if (slice_type_b)
1218  flag(direct_spatial_mv_pred_flag);
1219 
1220  if (slice_type_p || slice_type_sp || slice_type_b) {
1221  flag(num_ref_idx_active_override_flag);
1222  if (current->num_ref_idx_active_override_flag) {
1223  ue(num_ref_idx_l0_active_minus1, 0, 31);
1224  if (slice_type_b)
1225  ue(num_ref_idx_l1_active_minus1, 0, 31);
1226  } else {
1227  infer(num_ref_idx_l0_active_minus1,
1229  infer(num_ref_idx_l1_active_minus1,
1231  }
1232  }
1233 
1234  if (current->nal_unit_header.nal_unit_type == 20 ||
1235  current->nal_unit_header.nal_unit_type == 21) {
1236  av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC / 3DAVC not supported.\n");
1237  return AVERROR_PATCHWELCOME;
1238  } else {
1239  CHECK(FUNC(ref_pic_list_modification)(ctx, rw, current));
1240  }
1241 
1242  if ((pps->weighted_pred_flag && (slice_type_p || slice_type_sp)) ||
1243  (pps->weighted_bipred_idc == 1 && slice_type_b)) {
1244  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1245  }
1246 
1247  if (current->nal_unit_header.nal_ref_idc != 0) {
1248  CHECK(FUNC(dec_ref_pic_marking)(ctx, rw, current, idr_pic_flag));
1249  }
1250 
1251  if (pps->entropy_coding_mode_flag &&
1252  !slice_type_i && !slice_type_si) {
1253  ue(cabac_init_idc, 0, 2);
1254  }
1255 
1256  se(slice_qp_delta, - 51 - 6 * sps->bit_depth_luma_minus8,
1257  + 51 + 6 * sps->bit_depth_luma_minus8);
1258  if (slice_type_sp || slice_type_si) {
1259  if (slice_type_sp)
1260  flag(sp_for_switch_flag);
1261  se(slice_qs_delta, -51, +51);
1262  }
1263 
1265  ue(disable_deblocking_filter_idc, 0, 2);
1266  if (current->disable_deblocking_filter_idc != 1) {
1267  se(slice_alpha_c0_offset_div2, -6, +6);
1268  se(slice_beta_offset_div2, -6, +6);
1269  } else {
1270  infer(slice_alpha_c0_offset_div2, 0);
1271  infer(slice_beta_offset_div2, 0);
1272  }
1273  } else {
1274  infer(disable_deblocking_filter_idc, 0);
1275  infer(slice_alpha_c0_offset_div2, 0);
1276  infer(slice_beta_offset_div2, 0);
1277  }
1278 
1279  if (pps->num_slice_groups_minus1 > 0 &&
1280  pps->slice_group_map_type >= 3 &&
1281  pps->slice_group_map_type <= 5) {
1282  unsigned int pic_size, max, bits;
1283 
1284  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
1285  (sps->pic_height_in_map_units_minus1 + 1);
1286  max = (pic_size + pps->slice_group_change_rate_minus1) /
1287  (pps->slice_group_change_rate_minus1 + 1);
1288  bits = av_log2(2 * max - 1);
1289 
1290  u(bits, slice_group_change_cycle, 0, max);
1291  }
1292 
1293  if (pps->entropy_coding_mode_flag) {
1294  while (byte_alignment(rw))
1295  fixed(1, cabac_alignment_one_bit, 1);
1296  }
1297 
1298  return 0;
1299 }
1300 
1302  H264RawFiller *current)
1303 {
1304  int err;
1305 
1306  HEADER("Filler Data");
1307 
1308  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1309  1 << H264_NAL_FILLER_DATA));
1310 
1311 #ifdef READ
1312  while (show_bits(rw, 8) == 0xff) {
1313  fixed(8, ff_byte, 0xff);
1314  ++current->filler_size;
1315  }
1316 #else
1317  {
1318  uint32_t i;
1319  for (i = 0; i < current->filler_size; i++)
1320  fixed(8, ff_byte, 0xff);
1321  }
1322 #endif
1323 
1325 
1326  return 0;
1327 }
#define allocate(name, size)
Definition: cbs_h2645.c:384
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
#define flag(name)
Definition: cbs_h2645.c:255
uint8_t dpb_output_delay_length_minus1
Definition: cbs_h264.h:64
uint8_t initial_cpb_removal_delay_length_minus1
Definition: cbs_h264.h:62
H264RawPPS * pps[H264_MAX_PPS_COUNT]
Definition: cbs_h264.h:449
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)
uint8_t time_offset_length
Definition: cbs_h264.h:65
#define xue(name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:358
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)
pan-scan rectangle
Definition: h264_sei.h:30
uint8_t weighted_pred_flag
Definition: cbs_h264.h:205
#define fixed(width, name, value)
Definition: cbs_h2645.c:270
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 MAX_UINT_BITS(length)
Definition: cbs_internal.h:86
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
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:200
H264RawSPS * sps[H264_MAX_SPS_COUNT]
Definition: cbs_h264.h:448
static int FUNC() slice_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
#define flags(name, subs,...)
Definition: cbs_h2645.c:263
#define infer(name, value)
Definition: cbs_h2645.c:371
#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:1510
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:304
static int FUNC() sei_pic_timestamp(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPicTimestamp *current)
#define more_rbsp_data(var)
Definition: cbs_h2645.c:380
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:352
#define byte_alignment(rw)
Definition: cbs_h2645.c:382
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() 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
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)
uint8_t redundant_pic_cnt_present_flag
Definition: cbs_h264.h:217
uint8_t pic_struct_present_flag
Definition: cbs_h264.h:100
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)
#define HEADER(name)
Definition: cbs_h2645.c:237
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
#define RWContext
Definition: cbs_h2645.c:350
uint16_t pic_height_in_map_units_minus1
Definition: cbs_h264.h:151
#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