FFmpeg  4.3.8
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  fixed(1, forbidden_zero_bit, 0);
37  ub(2, nal_ref_idc);
38  ub(5, nal_unit_type);
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  ub(4, bit_rate_scale);
95  ub(4, cpb_size_scale);
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  ub(5, initial_cpb_removal_delay_length_minus1);
104  ub(5, cpb_removal_delay_length_minus1);
105  ub(5, dpb_output_delay_length_minus1);
106  ub(5, time_offset_length);
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  ub(8, aspect_ratio_idc);
119  if (current->aspect_ratio_idc == 255) {
120  ub(16, sar_width);
121  ub(16, sar_height);
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  ub(3, video_format);
134  flag(video_full_range_flag);
135  flag(colour_description_present_flag);
136  if (current->colour_description_present_flag) {
137  ub(8, colour_primaries);
139  ub(8, matrix_coefficients);
140  } else {
141  infer(colour_primaries, 2);
143  infer(matrix_coefficients, 2);
144  }
145  } else {
146  infer(video_format, 5);
147  infer(video_full_range_flag, 0);
148  infer(colour_primaries, 2);
150  infer(matrix_coefficients, 2);
151  }
152 
153  flag(chroma_loc_info_present_flag);
154  if (current->chroma_loc_info_present_flag) {
155  ue(chroma_sample_loc_type_top_field, 0, 5);
156  ue(chroma_sample_loc_type_bottom_field, 0, 5);
157  } else {
158  infer(chroma_sample_loc_type_top_field, 0);
159  infer(chroma_sample_loc_type_bottom_field, 0);
160  }
161 
162  flag(timing_info_present_flag);
163  if (current->timing_info_present_flag) {
164  u(32, num_units_in_tick, 1, UINT32_MAX);
165  u(32, time_scale, 1, UINT32_MAX);
166  flag(fixed_frame_rate_flag);
167  } else {
168  infer(fixed_frame_rate_flag, 0);
169  }
170 
171  flag(nal_hrd_parameters_present_flag);
172  if (current->nal_hrd_parameters_present_flag)
173  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->nal_hrd_parameters));
174 
175  flag(vcl_hrd_parameters_present_flag);
176  if (current->vcl_hrd_parameters_present_flag)
177  CHECK(FUNC(hrd_parameters)(ctx, rw, &current->vcl_hrd_parameters));
178 
179  if (current->nal_hrd_parameters_present_flag ||
180  current->vcl_hrd_parameters_present_flag)
181  flag(low_delay_hrd_flag);
182  else
183  infer(low_delay_hrd_flag, 1 - current->fixed_frame_rate_flag);
184 
185  flag(pic_struct_present_flag);
186 
187  flag(bitstream_restriction_flag);
188  if (current->bitstream_restriction_flag) {
189  flag(motion_vectors_over_pic_boundaries_flag);
190  ue(max_bytes_per_pic_denom, 0, 16);
191  ue(max_bits_per_mb_denom, 0, 16);
192  // The current version of the standard constrains this to be in
193  // [0,15], but older versions allow 16.
194  ue(log2_max_mv_length_horizontal, 0, 16);
195  ue(log2_max_mv_length_vertical, 0, 16);
196  ue(max_num_reorder_frames, 0, H264_MAX_DPB_FRAMES);
197  ue(max_dec_frame_buffering, 0, H264_MAX_DPB_FRAMES);
198  } else {
199  infer(motion_vectors_over_pic_boundaries_flag, 1);
200  infer(max_bytes_per_pic_denom, 2);
201  infer(max_bits_per_mb_denom, 1);
202  infer(log2_max_mv_length_horizontal, 15);
203  infer(log2_max_mv_length_vertical, 15);
204 
205  if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
206  sps->profile_idc == 100 || sps->profile_idc == 110 ||
207  sps->profile_idc == 122 || sps->profile_idc == 244) &&
208  sps->constraint_set3_flag) {
209  infer(max_num_reorder_frames, 0);
210  infer(max_dec_frame_buffering, 0);
211  } else {
212  infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
213  infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
214  }
215  }
216 
217  return 0;
218 }
219 
221  RWContext *rw, H264RawVUI *current,
222  H264RawSPS *sps)
223 {
224  infer(aspect_ratio_idc, 0);
225 
226  infer(video_format, 5);
227  infer(video_full_range_flag, 0);
228  infer(colour_primaries, 2);
230  infer(matrix_coefficients, 2);
231 
232  infer(chroma_sample_loc_type_top_field, 0);
233  infer(chroma_sample_loc_type_bottom_field, 0);
234 
235  infer(fixed_frame_rate_flag, 0);
236  infer(low_delay_hrd_flag, 1);
237 
238  infer(pic_struct_present_flag, 0);
239 
240  infer(motion_vectors_over_pic_boundaries_flag, 1);
241  infer(max_bytes_per_pic_denom, 2);
242  infer(max_bits_per_mb_denom, 1);
243  infer(log2_max_mv_length_horizontal, 15);
244  infer(log2_max_mv_length_vertical, 15);
245 
246  if ((sps->profile_idc == 44 || sps->profile_idc == 86 ||
247  sps->profile_idc == 100 || sps->profile_idc == 110 ||
248  sps->profile_idc == 122 || sps->profile_idc == 244) &&
249  sps->constraint_set3_flag) {
250  infer(max_num_reorder_frames, 0);
251  infer(max_dec_frame_buffering, 0);
252  } else {
253  infer(max_num_reorder_frames, H264_MAX_DPB_FRAMES);
254  infer(max_dec_frame_buffering, H264_MAX_DPB_FRAMES);
255  }
256 
257  return 0;
258 }
259 
261  H264RawSPS *current)
262 {
263  int err, i;
264 
265  HEADER("Sequence Parameter Set");
266 
267  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
268  1 << H264_NAL_SPS));
269 
270  ub(8, profile_idc);
271 
272  flag(constraint_set0_flag);
273  flag(constraint_set1_flag);
274  flag(constraint_set2_flag);
275  flag(constraint_set3_flag);
276  flag(constraint_set4_flag);
277  flag(constraint_set5_flag);
278 
279  u(2, reserved_zero_2bits, 0, 0);
280 
281  ub(8, level_idc);
282 
283  ue(seq_parameter_set_id, 0, 31);
284 
285  if (current->profile_idc == 100 || current->profile_idc == 110 ||
286  current->profile_idc == 122 || current->profile_idc == 244 ||
287  current->profile_idc == 44 || current->profile_idc == 83 ||
288  current->profile_idc == 86 || current->profile_idc == 118 ||
289  current->profile_idc == 128 || current->profile_idc == 138) {
290  ue(chroma_format_idc, 0, 3);
291 
292  if (current->chroma_format_idc == 3)
293  flag(separate_colour_plane_flag);
294  else
295  infer(separate_colour_plane_flag, 0);
296 
297  ue(bit_depth_luma_minus8, 0, 6);
298  ue(bit_depth_chroma_minus8, 0, 6);
299 
300  flag(qpprime_y_zero_transform_bypass_flag);
301 
302  flag(seq_scaling_matrix_present_flag);
303  if (current->seq_scaling_matrix_present_flag) {
304  for (i = 0; i < ((current->chroma_format_idc != 3) ? 8 : 12); i++) {
305  flags(seq_scaling_list_present_flag[i], 1, i);
306  if (current->seq_scaling_list_present_flag[i]) {
307  if (i < 6)
308  CHECK(FUNC(scaling_list)(ctx, rw,
309  &current->scaling_list_4x4[i],
310  16));
311  else
312  CHECK(FUNC(scaling_list)(ctx, rw,
313  &current->scaling_list_8x8[i - 6],
314  64));
315  }
316  }
317  }
318  } else {
319  infer(chroma_format_idc, current->profile_idc == 183 ? 0 : 1);
320 
321  infer(separate_colour_plane_flag, 0);
322  infer(bit_depth_luma_minus8, 0);
323  infer(bit_depth_chroma_minus8, 0);
324  }
325 
326  ue(log2_max_frame_num_minus4, 0, 12);
327  ue(pic_order_cnt_type, 0, 2);
328 
329  if (current->pic_order_cnt_type == 0) {
330  ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
331  } else if (current->pic_order_cnt_type == 1) {
332  flag(delta_pic_order_always_zero_flag);
333  se(offset_for_non_ref_pic, INT32_MIN + 1, INT32_MAX);
334  se(offset_for_top_to_bottom_field, INT32_MIN + 1, INT32_MAX);
335  ue(num_ref_frames_in_pic_order_cnt_cycle, 0, 255);
336 
337  for (i = 0; i < current->num_ref_frames_in_pic_order_cnt_cycle; i++)
338  ses(offset_for_ref_frame[i], INT32_MIN + 1, INT32_MAX, 1, i);
339  }
340 
341  ue(max_num_ref_frames, 0, H264_MAX_DPB_FRAMES);
342  flag(gaps_in_frame_num_allowed_flag);
343 
344  ue(pic_width_in_mbs_minus1, 0, H264_MAX_MB_WIDTH);
345  ue(pic_height_in_map_units_minus1, 0, H264_MAX_MB_HEIGHT);
346 
347  flag(frame_mbs_only_flag);
348  if (!current->frame_mbs_only_flag)
349  flag(mb_adaptive_frame_field_flag);
350 
351  flag(direct_8x8_inference_flag);
352 
353  flag(frame_cropping_flag);
354  if (current->frame_cropping_flag) {
355  ue(frame_crop_left_offset, 0, H264_MAX_WIDTH);
356  ue(frame_crop_right_offset, 0, H264_MAX_WIDTH);
357  ue(frame_crop_top_offset, 0, H264_MAX_HEIGHT);
358  ue(frame_crop_bottom_offset, 0, H264_MAX_HEIGHT);
359  }
360 
361  flag(vui_parameters_present_flag);
362  if (current->vui_parameters_present_flag)
363  CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
364  else
365  CHECK(FUNC(vui_parameters_default)(ctx, rw, &current->vui, current));
366 
368 
369  return 0;
370 }
371 
373  H264RawSPSExtension *current)
374 {
375  int err;
376 
377  HEADER("Sequence Parameter Set Extension");
378 
379  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
380  1 << H264_NAL_SPS_EXT));
381 
382  ue(seq_parameter_set_id, 0, 31);
383 
384  ue(aux_format_idc, 0, 3);
385 
386  if (current->aux_format_idc != 0) {
387  int bits;
388 
389  ue(bit_depth_aux_minus8, 0, 4);
390  flag(alpha_incr_flag);
391 
392  bits = current->bit_depth_aux_minus8 + 9;
393  ub(bits, alpha_opaque_value);
394  ub(bits, alpha_transparent_value);
395  }
396 
397  flag(additional_extension_flag);
398 
400 
401  return 0;
402 }
403 
405  H264RawPPS *current)
406 {
408  const H264RawSPS *sps;
409  int err, i;
410 
411  HEADER("Picture Parameter Set");
412 
413  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
414  1 << H264_NAL_PPS));
415 
416  ue(pic_parameter_set_id, 0, 255);
417  ue(seq_parameter_set_id, 0, 31);
418 
419  sps = h264->sps[current->seq_parameter_set_id];
420  if (!sps) {
421  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
422  current->seq_parameter_set_id);
423  return AVERROR_INVALIDDATA;
424  }
425 
426  flag(entropy_coding_mode_flag);
427  flag(bottom_field_pic_order_in_frame_present_flag);
428 
429  ue(num_slice_groups_minus1, 0, 7);
430  if (current->num_slice_groups_minus1 > 0) {
431  unsigned int pic_size;
432  int iGroup;
433 
434  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
436 
437  ue(slice_group_map_type, 0, 6);
438 
439  if (current->slice_group_map_type == 0) {
440  for (iGroup = 0; iGroup <= current->num_slice_groups_minus1; iGroup++)
441  ues(run_length_minus1[iGroup], 0, pic_size - 1, 1, iGroup);
442 
443  } else if (current->slice_group_map_type == 2) {
444  for (iGroup = 0; iGroup < current->num_slice_groups_minus1; iGroup++) {
445  ues(top_left[iGroup], 0, pic_size - 1, 1, iGroup);
446  ues(bottom_right[iGroup],
447  current->top_left[iGroup], pic_size - 1, 1, iGroup);
448  }
449  } else if (current->slice_group_map_type == 3 ||
450  current->slice_group_map_type == 4 ||
451  current->slice_group_map_type == 5) {
452  flag(slice_group_change_direction_flag);
453  ue(slice_group_change_rate_minus1, 0, pic_size - 1);
454  } else if (current->slice_group_map_type == 6) {
455  ue(pic_size_in_map_units_minus1, pic_size - 1, pic_size - 1);
456 
457  allocate(current->slice_group_id,
458  current->pic_size_in_map_units_minus1 + 1);
459  for (i = 0; i <= current->pic_size_in_map_units_minus1; i++)
460  us(av_log2(2 * current->num_slice_groups_minus1 + 1),
461  slice_group_id[i], 0, current->num_slice_groups_minus1, 1, i);
462  }
463  }
464 
465  ue(num_ref_idx_l0_default_active_minus1, 0, 31);
466  ue(num_ref_idx_l1_default_active_minus1, 0, 31);
467 
468  flag(weighted_pred_flag);
469  u(2, weighted_bipred_idc, 0, 2);
470 
471  se(pic_init_qp_minus26, -26 - 6 * sps->bit_depth_luma_minus8, +25);
472  se(pic_init_qs_minus26, -26, +25);
473  se(chroma_qp_index_offset, -12, +12);
474 
475  flag(deblocking_filter_control_present_flag);
476  flag(constrained_intra_pred_flag);
477  flag(redundant_pic_cnt_present_flag);
478 
479  if (more_rbsp_data(current->more_rbsp_data))
480  {
481  flag(transform_8x8_mode_flag);
482 
483  flag(pic_scaling_matrix_present_flag);
484  if (current->pic_scaling_matrix_present_flag) {
485  for (i = 0; i < 6 + (((sps->chroma_format_idc != 3) ? 2 : 6) *
486  current->transform_8x8_mode_flag); i++) {
487  flags(pic_scaling_list_present_flag[i], 1, i);
488  if (current->pic_scaling_list_present_flag[i]) {
489  if (i < 6)
490  CHECK(FUNC(scaling_list)(ctx, rw,
491  &current->scaling_list_4x4[i],
492  16));
493  else
494  CHECK(FUNC(scaling_list)(ctx, rw,
495  &current->scaling_list_8x8[i - 6],
496  64));
497  }
498  }
499  }
500 
501  se(second_chroma_qp_index_offset, -12, +12);
502  } else {
503  infer(transform_8x8_mode_flag, 0);
504  infer(pic_scaling_matrix_present_flag, 0);
505  infer(second_chroma_qp_index_offset, current->chroma_qp_index_offset);
506  }
507 
509 
510  return 0;
511 }
512 
514  H264RawSEIBufferingPeriod *current)
515 {
517  const H264RawSPS *sps;
518  int err, i, length;
519 
520  HEADER("Buffering Period");
521 
522  ue(seq_parameter_set_id, 0, 31);
523 
524  sps = h264->sps[current->seq_parameter_set_id];
525  if (!sps) {
526  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
527  current->seq_parameter_set_id);
528  return AVERROR_INVALIDDATA;
529  }
530  h264->active_sps = sps;
531 
533  for (i = 0; i <= sps->vui.nal_hrd_parameters.cpb_cnt_minus1; i++) {
535  xu(length, initial_cpb_removal_delay[SchedSelIdx],
536  current->nal.initial_cpb_removal_delay[i],
537  1, MAX_UINT_BITS(length), 1, i);
538  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
539  current->nal.initial_cpb_removal_delay_offset[i],
540  0, MAX_UINT_BITS(length), 1, i);
541  }
542  }
543 
545  for (i = 0; i <= sps->vui.vcl_hrd_parameters.cpb_cnt_minus1; i++) {
547  xu(length, initial_cpb_removal_delay[SchedSelIdx],
548  current->vcl.initial_cpb_removal_delay[i],
549  1, MAX_UINT_BITS(length), 1, i);
550  xu(length, initial_cpb_removal_delay_offset[SchedSelIdx],
551  current->vcl.initial_cpb_removal_delay_offset[i],
552  0, MAX_UINT_BITS(length), 1, i);
553  }
554  }
555 
556  return 0;
557 }
558 
560  H264RawSEIPicTimestamp *current,
561  const H264RawSPS *sps)
562 {
563  uint8_t time_offset_length;
564  int err;
565 
566  u(2, ct_type, 0, 2);
567  flag(nuit_field_based_flag);
568  u(5, counting_type, 0, 6);
569  flag(full_timestamp_flag);
570  flag(discontinuity_flag);
571  flag(cnt_dropped_flag);
572  ub(8, n_frames);
573  if (current->full_timestamp_flag) {
574  u(6, seconds_value, 0, 59);
575  u(6, minutes_value, 0, 59);
576  u(5, hours_value, 0, 23);
577  } else {
578  flag(seconds_flag);
579  if (current->seconds_flag) {
580  u(6, seconds_value, 0, 59);
581  flag(minutes_flag);
582  if (current->minutes_flag) {
583  u(6, minutes_value, 0, 59);
584  flag(hours_flag);
585  if (current->hours_flag)
586  u(5, hours_value, 0, 23);
587  }
588  }
589  }
590 
591  if (sps->vui.nal_hrd_parameters_present_flag)
592  time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length;
593  else if (sps->vui.vcl_hrd_parameters_present_flag)
594  time_offset_length = sps->vui.vcl_hrd_parameters.time_offset_length;
595  else
596  time_offset_length = 24;
597 
598  if (time_offset_length > 0)
599  ib(time_offset_length, time_offset);
600  else
601  infer(time_offset, 0);
602 
603  return 0;
604 }
605 
607  H264RawSEIPicTiming *current)
608 {
610  const H264RawSPS *sps;
611  int err;
612 
613  HEADER("Picture Timing");
614 
615  sps = h264->active_sps;
616  if (!sps) {
617  // If there is exactly one possible SPS but it is not yet active
618  // then just assume that it should be the active one.
619  int i, k = -1;
620  for (i = 0; i < H264_MAX_SPS_COUNT; i++) {
621  if (h264->sps[i]) {
622  if (k >= 0) {
623  k = -1;
624  break;
625  }
626  k = i;
627  }
628  }
629  if (k >= 0)
630  sps = h264->sps[k];
631  }
632  if (!sps) {
633  av_log(ctx->log_ctx, AV_LOG_ERROR,
634  "No active SPS for pic_timing.\n");
635  return AVERROR_INVALIDDATA;
636  }
637 
640  const H264RawHRD *hrd;
641 
643  hrd = &sps->vui.nal_hrd_parameters;
644  else if (sps->vui.vcl_hrd_parameters_present_flag)
645  hrd = &sps->vui.vcl_hrd_parameters;
646  else {
647  av_log(ctx->log_ctx, AV_LOG_ERROR,
648  "No HRD parameters for pic_timing.\n");
649  return AVERROR_INVALIDDATA;
650  }
651 
652  ub(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay);
653  ub(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay);
654  }
655 
656  if (sps->vui.pic_struct_present_flag) {
657  static const uint8_t num_clock_ts[9] = {
658  1, 1, 1, 2, 2, 3, 3, 2, 3
659  };
660  int i;
661 
662  u(4, pic_struct, 0, 8);
663  if (current->pic_struct > 8)
664  return AVERROR_INVALIDDATA;
665 
666  for (i = 0; i < num_clock_ts[current->pic_struct]; i++) {
667  flags(clock_timestamp_flag[i], 1, i);
668  if (current->clock_timestamp_flag[i])
670  &current->timestamp[i], sps));
671  }
672  }
673 
674  return 0;
675 }
676 
678  H264RawSEIPanScanRect *current)
679 {
680  int err, i;
681 
682  HEADER("Pan-Scan Rectangle");
683 
684  ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
685  flag(pan_scan_rect_cancel_flag);
686 
687  if (!current->pan_scan_rect_cancel_flag) {
688  ue(pan_scan_cnt_minus1, 0, 2);
689 
690  for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
691  ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
692  ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
693  ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
694  ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
695  }
696 
697  ue(pan_scan_rect_repetition_period, 0, 16384);
698  }
699 
700  return 0;
701 }
702 
705  uint32_t *payload_size)
706 {
707  int err, i, j;
708 
709  HEADER("User Data Registered ITU-T T.35");
710 
711  u(8, itu_t_t35_country_code, 0x00, 0xff);
712  if (current->itu_t_t35_country_code != 0xff)
713  i = 1;
714  else {
715  u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
716  i = 2;
717  }
718 
719 #ifdef READ
720  if (*payload_size < i) {
721  av_log(ctx->log_ctx, AV_LOG_ERROR,
722  "Invalid SEI user data registered payload.\n");
723  return AVERROR_INVALIDDATA;
724  }
725  current->data_length = *payload_size - i;
726 #else
727  *payload_size = i + current->data_length;
728 #endif
729 
730  allocate(current->data, current->data_length);
731  for (j = 0; j < current->data_length; j++)
732  xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);
733 
734  return 0;
735 }
736 
739  uint32_t *payload_size)
740 {
741  int err, i;
742 
743  HEADER("User Data Unregistered");
744 
745 #ifdef READ
746  if (*payload_size < 16) {
747  av_log(ctx->log_ctx, AV_LOG_ERROR,
748  "Invalid SEI user data unregistered payload.\n");
749  return AVERROR_INVALIDDATA;
750  }
751  current->data_length = *payload_size - 16;
752 #else
753  *payload_size = 16 + current->data_length;
754 #endif
755 
756  for (i = 0; i < 16; i++)
757  us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
758 
759  allocate(current->data, current->data_length);
760 
761  for (i = 0; i < current->data_length; i++)
762  xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
763 
764  return 0;
765 }
766 
768  H264RawSEIRecoveryPoint *current)
769 {
770  int err;
771 
772  HEADER("Recovery Point");
773 
774  ue(recovery_frame_cnt, 0, 65535);
775  flag(exact_match_flag);
776  flag(broken_link_flag);
777  u(2, changing_slice_group_idc, 0, 2);
778 
779  return 0;
780 }
781 
784 {
785  int err;
786 
787  HEADER("Display Orientation");
788 
789  flag(display_orientation_cancel_flag);
790  if (!current->display_orientation_cancel_flag) {
791  flag(hor_flip);
792  flag(ver_flip);
793  ub(16, anticlockwise_rotation);
794  ue(display_orientation_repetition_period, 0, 16384);
795  flag(display_orientation_extension_flag);
796  }
797 
798  return 0;
799 }
800 
803 {
804  int err, c;
805 
806  HEADER("Mastering Display Colour Volume");
807 
808  for (c = 0; c < 3; c++) {
809  us(16, display_primaries_x[c], 0, 50000, 1, c);
810  us(16, display_primaries_y[c], 0, 50000, 1, c);
811  }
812 
813  u(16, white_point_x, 0, 50000);
814  u(16, white_point_y, 0, 50000);
815 
816  u(32, max_display_mastering_luminance, 1, MAX_UINT_BITS(32));
817  u(32, min_display_mastering_luminance, 0, current->max_display_mastering_luminance - 1);
818 
819  return 0;
820 }
821 
823  RWContext *rw,
825 {
826  int err;
827 
828  HEADER("Alternative Transfer Characteristics");
829 
830  ub(8, preferred_transfer_characteristics);
831 
832  return 0;
833 }
834 
836  H264RawSEIPayload *current)
837 {
838  int err, i;
839  int start_position, end_position;
840 
841 #ifdef READ
842  start_position = get_bits_count(rw);
843 #else
844  start_position = put_bits_count(rw);
845 #endif
846 
847  switch (current->payload_type) {
850  (ctx, rw, &current->payload.buffering_period));
851  break;
854  (ctx, rw, &current->payload.pic_timing));
855  break;
858  (ctx, rw, &current->payload.pan_scan_rect));
859  break;
861  {
862  for (i = 0; i < current->payload_size; i++)
863  fixed(8, ff_byte, 0xff);
864  }
865  break;
868  (ctx, rw, &current->payload.user_data_registered, &current->payload_size));
869  break;
872  (ctx, rw, &current->payload.user_data_unregistered, &current->payload_size));
873  break;
876  (ctx, rw, &current->payload.recovery_point));
877  break;
880  (ctx, rw, &current->payload.display_orientation));
881  break;
884  (ctx, rw, &current->payload.mastering_display_colour_volume));
885  break;
888  (ctx, rw, &current->payload.alternative_transfer_characteristics));
889  break;
890  default:
891  {
892 #ifdef READ
893  current->payload.other.data_length = current->payload_size;
894 #endif
895  allocate(current->payload.other.data, current->payload.other.data_length);
896  for (i = 0; i < current->payload.other.data_length; i++)
897  xu(8, payload_byte[i], current->payload.other.data[i], 0, 255, 1, i);
898  }
899  }
900 
901  if (byte_alignment(rw)) {
902  fixed(1, bit_equal_to_one, 1);
903  while (byte_alignment(rw))
904  fixed(1, bit_equal_to_zero, 0);
905  }
906 
907 #ifdef READ
908  end_position = get_bits_count(rw);
909  if (end_position < start_position + 8 * current->payload_size) {
910  av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
911  "header %"PRIu32" bits, actually %d bits.\n",
912  8 * current->payload_size,
913  end_position - start_position);
914  return AVERROR_INVALIDDATA;
915  }
916 #else
917  end_position = put_bits_count(rw);
918  current->payload_size = (end_position - start_position) / 8;
919 #endif
920 
921  return 0;
922 }
923 
925  H264RawSEI *current)
926 {
927  int err, k;
928 
929  HEADER("Supplemental Enhancement Information");
930 
931  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
932  1 << H264_NAL_SEI));
933 
934 #ifdef READ
935  for (k = 0; k < H264_MAX_SEI_PAYLOADS; k++) {
936  uint32_t payload_type = 0;
937  uint32_t payload_size = 0;
938  uint32_t tmp;
939 
940  while (show_bits(rw, 8) == 0xff) {
941  fixed(8, ff_byte, 0xff);
942  payload_type += 255;
943  }
944  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
945  payload_type += tmp;
946 
947  while (show_bits(rw, 8) == 0xff) {
948  fixed(8, ff_byte, 0xff);
949  payload_size += 255;
950  }
951  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
952  payload_size += tmp;
953 
954  current->payload[k].payload_type = payload_type;
955  current->payload[k].payload_size = payload_size;
956 
957  current->payload_count++;
958  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
959 
961  break;
962  }
963  if (k >= H264_MAX_SEI_PAYLOADS) {
964  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many payloads in "
965  "SEI message: found %d.\n", k);
966  return AVERROR_INVALIDDATA;
967  }
968 #else
969  for (k = 0; k < current->payload_count; k++) {
970  PutBitContext start_state;
971  uint32_t tmp;
972  int need_size, i;
973 
974  // Somewhat clumsy: we write the payload twice when
975  // we don't know the size in advance. This will mess
976  // with trace output, but is otherwise harmless.
977  start_state = *rw;
978  need_size = !current->payload[k].payload_size;
979  for (i = 0; i < 1 + need_size; i++) {
980  *rw = start_state;
981 
982  tmp = current->payload[k].payload_type;
983  while (tmp >= 255) {
984  fixed(8, ff_byte, 0xff);
985  tmp -= 255;
986  }
987  xu(8, last_payload_type_byte, tmp, 0, 254, 0);
988 
989  tmp = current->payload[k].payload_size;
990  while (tmp >= 255) {
991  fixed(8, ff_byte, 0xff);
992  tmp -= 255;
993  }
994  xu(8, last_payload_size_byte, tmp, 0, 254, 0);
995 
996  CHECK(FUNC(sei_payload)(ctx, rw, &current->payload[k]));
997  }
998  }
999 #endif
1000 
1002 
1003  return 0;
1004 }
1005 
1007  H264RawAUD *current)
1008 {
1009  int err;
1010 
1011  HEADER("Access Unit Delimiter");
1012 
1013  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1014  1 << H264_NAL_AUD));
1015 
1016  ub(3, primary_pic_type);
1017 
1019 
1020  return 0;
1021 }
1022 
1024  H264RawSliceHeader *current)
1025 {
1027  const H264RawSPS *sps = h264->active_sps;
1028  int err, i, mopn;
1029 
1030  if (current->slice_type % 5 != 2 &&
1031  current->slice_type % 5 != 4) {
1032  flag(ref_pic_list_modification_flag_l0);
1033  if (current->ref_pic_list_modification_flag_l0) {
1034  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
1035  xue(modification_of_pic_nums_idc,
1036  current->rplm_l0[i].modification_of_pic_nums_idc, 0, 3, 0);
1037 
1038  mopn = current->rplm_l0[i].modification_of_pic_nums_idc;
1039  if (mopn == 3)
1040  break;
1041 
1042  if (mopn == 0 || mopn == 1)
1043  xue(abs_diff_pic_num_minus1,
1044  current->rplm_l0[i].abs_diff_pic_num_minus1,
1045  0, (1 + current->field_pic_flag) *
1046  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
1047  else if (mopn == 2)
1048  xue(long_term_pic_num,
1049  current->rplm_l0[i].long_term_pic_num,
1050  0, sps->max_num_ref_frames - 1, 0);
1051  }
1052  }
1053  }
1054 
1055  if (current->slice_type % 5 == 1) {
1056  flag(ref_pic_list_modification_flag_l1);
1057  if (current->ref_pic_list_modification_flag_l1) {
1058  for (i = 0; i < H264_MAX_RPLM_COUNT; i++) {
1059  xue(modification_of_pic_nums_idc,
1060  current->rplm_l1[i].modification_of_pic_nums_idc, 0, 3, 0);
1061 
1062  mopn = current->rplm_l1[i].modification_of_pic_nums_idc;
1063  if (mopn == 3)
1064  break;
1065 
1066  if (mopn == 0 || mopn == 1)
1067  xue(abs_diff_pic_num_minus1,
1068  current->rplm_l1[i].abs_diff_pic_num_minus1,
1069  0, (1 + current->field_pic_flag) *
1070  (1 << (sps->log2_max_frame_num_minus4 + 4)), 0);
1071  else if (mopn == 2)
1072  xue(long_term_pic_num,
1073  current->rplm_l1[i].long_term_pic_num,
1074  0, sps->max_num_ref_frames - 1, 0);
1075  }
1076  }
1077  }
1078 
1079  return 0;
1080 }
1081 
1083  H264RawSliceHeader *current)
1084 {
1086  const H264RawSPS *sps = h264->active_sps;
1087  int chroma;
1088  int err, i, j;
1089 
1090  ue(luma_log2_weight_denom, 0, 7);
1091 
1092  chroma = !sps->separate_colour_plane_flag && sps->chroma_format_idc != 0;
1093  if (chroma)
1094  ue(chroma_log2_weight_denom, 0, 7);
1095 
1096  for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1097  flags(luma_weight_l0_flag[i], 1, i);
1098  if (current->luma_weight_l0_flag[i]) {
1099  ses(luma_weight_l0[i], -128, +127, 1, i);
1100  ses(luma_offset_l0[i], -128, +127, 1, i);
1101  }
1102  if (chroma) {
1103  flags(chroma_weight_l0_flag[i], 1, i);
1104  if (current->chroma_weight_l0_flag[i]) {
1105  for (j = 0; j < 2; j++) {
1106  ses(chroma_weight_l0[i][j], -128, +127, 2, i, j);
1107  ses(chroma_offset_l0[i][j], -128, +127, 2, i, j);
1108  }
1109  }
1110  }
1111  }
1112 
1113  if (current->slice_type % 5 == 1) {
1114  for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1115  flags(luma_weight_l1_flag[i], 1, i);
1116  if (current->luma_weight_l1_flag[i]) {
1117  ses(luma_weight_l1[i], -128, +127, 1, i);
1118  ses(luma_offset_l1[i], -128, +127, 1, i);
1119  }
1120  if (chroma) {
1121  flags(chroma_weight_l1_flag[i], 1, i);
1122  if (current->chroma_weight_l1_flag[i]) {
1123  for (j = 0; j < 2; j++) {
1124  ses(chroma_weight_l1[i][j], -128, +127, 2, i, j);
1125  ses(chroma_offset_l1[i][j], -128, +127, 2, i, j);
1126  }
1127  }
1128  }
1129  }
1130  }
1131 
1132  return 0;
1133 }
1134 
1136  H264RawSliceHeader *current, int idr_pic_flag)
1137 {
1139  const H264RawSPS *sps = h264->active_sps;
1140  int err, i;
1141  uint32_t mmco;
1142 
1143  if (idr_pic_flag) {
1144  flag(no_output_of_prior_pics_flag);
1145  flag(long_term_reference_flag);
1146  } else {
1147  flag(adaptive_ref_pic_marking_mode_flag);
1148  if (current->adaptive_ref_pic_marking_mode_flag) {
1149  for (i = 0; i < H264_MAX_MMCO_COUNT; i++) {
1150  xue(memory_management_control_operation,
1151  current->mmco[i].memory_management_control_operation,
1152  0, 6, 0);
1153 
1154  mmco = current->mmco[i].memory_management_control_operation;
1155  if (mmco == 0)
1156  break;
1157 
1158  if (mmco == 1 || mmco == 3)
1159  xue(difference_of_pic_nums_minus1,
1160  current->mmco[i].difference_of_pic_nums_minus1,
1161  0, INT32_MAX, 0);
1162  if (mmco == 2)
1163  xue(long_term_pic_num,
1164  current->mmco[i].long_term_pic_num,
1165  0, sps->max_num_ref_frames - 1, 0);
1166  if (mmco == 3 || mmco == 6)
1167  xue(long_term_frame_idx,
1168  current->mmco[i].long_term_frame_idx,
1169  0, sps->max_num_ref_frames - 1, 0);
1170  if (mmco == 4)
1171  xue(max_long_term_frame_idx_plus1,
1172  current->mmco[i].max_long_term_frame_idx_plus1,
1173  0, sps->max_num_ref_frames, 0);
1174  }
1175  if (i == H264_MAX_MMCO_COUNT) {
1176  av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many "
1177  "memory management control operations.\n");
1178  return AVERROR_INVALIDDATA;
1179  }
1180  }
1181  }
1182 
1183  return 0;
1184 }
1185 
1187  H264RawSliceHeader *current)
1188 {
1190  const H264RawSPS *sps;
1191  const H264RawPPS *pps;
1192  int err;
1193  int idr_pic_flag;
1194  int slice_type_i, slice_type_p, slice_type_b;
1195  int slice_type_si, slice_type_sp;
1196 
1197  HEADER("Slice Header");
1198 
1199  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1200  1 << H264_NAL_SLICE |
1201  1 << H264_NAL_IDR_SLICE |
1202  1 << H264_NAL_AUXILIARY_SLICE));
1203 
1204  if (current->nal_unit_header.nal_unit_type == H264_NAL_AUXILIARY_SLICE) {
1205  if (!h264->last_slice_nal_unit_type) {
1206  av_log(ctx->log_ctx, AV_LOG_ERROR, "Auxiliary slice "
1207  "is not decodable without the main picture "
1208  "in the same access unit.\n");
1209  return AVERROR_INVALIDDATA;
1210  }
1211  idr_pic_flag = h264->last_slice_nal_unit_type == H264_NAL_IDR_SLICE;
1212  } else {
1213  idr_pic_flag = current->nal_unit_header.nal_unit_type == H264_NAL_IDR_SLICE;
1214  }
1215 
1216  ue(first_mb_in_slice, 0, H264_MAX_MB_PIC_SIZE - 1);
1217  ue(slice_type, 0, 9);
1218 
1219  slice_type_i = current->slice_type % 5 == 2;
1220  slice_type_p = current->slice_type % 5 == 0;
1221  slice_type_b = current->slice_type % 5 == 1;
1222  slice_type_si = current->slice_type % 5 == 4;
1223  slice_type_sp = current->slice_type % 5 == 3;
1224 
1225  if (idr_pic_flag && !(slice_type_i || slice_type_si)) {
1226  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid slice type %d "
1227  "for IDR picture.\n", current->slice_type);
1228  return AVERROR_INVALIDDATA;
1229  }
1230 
1231  ue(pic_parameter_set_id, 0, 255);
1232 
1233  pps = h264->pps[current->pic_parameter_set_id];
1234  if (!pps) {
1235  av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1236  current->pic_parameter_set_id);
1237  return AVERROR_INVALIDDATA;
1238  }
1239  h264->active_pps = pps;
1240 
1241  sps = h264->sps[pps->seq_parameter_set_id];
1242  if (!sps) {
1243  av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1244  pps->seq_parameter_set_id);
1245  return AVERROR_INVALIDDATA;
1246  }
1247  h264->active_sps = sps;
1248 
1249  if (sps->separate_colour_plane_flag)
1250  u(2, colour_plane_id, 0, 2);
1251 
1252  ub(sps->log2_max_frame_num_minus4 + 4, frame_num);
1253 
1254  if (!sps->frame_mbs_only_flag) {
1255  flag(field_pic_flag);
1256  if (current->field_pic_flag)
1257  flag(bottom_field_flag);
1258  else
1259  infer(bottom_field_flag, 0);
1260  } else {
1261  infer(field_pic_flag, 0);
1262  infer(bottom_field_flag, 0);
1263  }
1264 
1265  if (idr_pic_flag)
1266  ue(idr_pic_id, 0, 65535);
1267 
1268  if (sps->pic_order_cnt_type == 0) {
1269  ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb);
1271  !current->field_pic_flag)
1272  se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX);
1273 
1274  } else if (sps->pic_order_cnt_type == 1) {
1276  se(delta_pic_order_cnt[0], INT32_MIN + 1, INT32_MAX);
1278  !current->field_pic_flag)
1279  se(delta_pic_order_cnt[1], INT32_MIN + 1, INT32_MAX);
1280  else
1281  infer(delta_pic_order_cnt[1], 0);
1282  } else {
1283  infer(delta_pic_order_cnt[0], 0);
1284  infer(delta_pic_order_cnt[1], 0);
1285  }
1286  }
1287 
1289  ue(redundant_pic_cnt, 0, 127);
1290  else
1291  infer(redundant_pic_cnt, 0);
1292 
1293  if (current->nal_unit_header.nal_unit_type != H264_NAL_AUXILIARY_SLICE
1294  && !current->redundant_pic_cnt)
1295  h264->last_slice_nal_unit_type =
1296  current->nal_unit_header.nal_unit_type;
1297 
1298  if (slice_type_b)
1299  flag(direct_spatial_mv_pred_flag);
1300 
1301  if (slice_type_p || slice_type_sp || slice_type_b) {
1302  flag(num_ref_idx_active_override_flag);
1303  if (current->num_ref_idx_active_override_flag) {
1304  ue(num_ref_idx_l0_active_minus1, 0, 31);
1305  if (slice_type_b)
1306  ue(num_ref_idx_l1_active_minus1, 0, 31);
1307  } else {
1308  infer(num_ref_idx_l0_active_minus1,
1310  infer(num_ref_idx_l1_active_minus1,
1312  }
1313  }
1314 
1315  if (current->nal_unit_header.nal_unit_type == 20 ||
1316  current->nal_unit_header.nal_unit_type == 21) {
1317  av_log(ctx->log_ctx, AV_LOG_ERROR, "MVC / 3DAVC not supported.\n");
1318  return AVERROR_PATCHWELCOME;
1319  } else {
1320  CHECK(FUNC(ref_pic_list_modification)(ctx, rw, current));
1321  }
1322 
1323  if ((pps->weighted_pred_flag && (slice_type_p || slice_type_sp)) ||
1324  (pps->weighted_bipred_idc == 1 && slice_type_b)) {
1325  CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1326  }
1327 
1328  if (current->nal_unit_header.nal_ref_idc != 0) {
1329  CHECK(FUNC(dec_ref_pic_marking)(ctx, rw, current, idr_pic_flag));
1330  }
1331 
1332  if (pps->entropy_coding_mode_flag &&
1333  !slice_type_i && !slice_type_si) {
1334  ue(cabac_init_idc, 0, 2);
1335  }
1336 
1337  se(slice_qp_delta, - 51 - 6 * sps->bit_depth_luma_minus8,
1338  + 51 + 6 * sps->bit_depth_luma_minus8);
1339  if (slice_type_sp || slice_type_si) {
1340  if (slice_type_sp)
1341  flag(sp_for_switch_flag);
1342  se(slice_qs_delta, -51, +51);
1343  }
1344 
1346  ue(disable_deblocking_filter_idc, 0, 2);
1347  if (current->disable_deblocking_filter_idc != 1) {
1348  se(slice_alpha_c0_offset_div2, -6, +6);
1349  se(slice_beta_offset_div2, -6, +6);
1350  } else {
1351  infer(slice_alpha_c0_offset_div2, 0);
1352  infer(slice_beta_offset_div2, 0);
1353  }
1354  } else {
1355  infer(disable_deblocking_filter_idc, 0);
1356  infer(slice_alpha_c0_offset_div2, 0);
1357  infer(slice_beta_offset_div2, 0);
1358  }
1359 
1360  if (pps->num_slice_groups_minus1 > 0 &&
1361  pps->slice_group_map_type >= 3 &&
1362  pps->slice_group_map_type <= 5) {
1363  unsigned int pic_size, max, bits;
1364 
1365  pic_size = (sps->pic_width_in_mbs_minus1 + 1) *
1366  (sps->pic_height_in_map_units_minus1 + 1);
1367  max = (pic_size + pps->slice_group_change_rate_minus1) /
1368  (pps->slice_group_change_rate_minus1 + 1);
1369  bits = av_ceil_log2(max + 1);
1370 
1371  u(bits, slice_group_change_cycle, 0, max);
1372  }
1373 
1374  if (pps->entropy_coding_mode_flag) {
1375  while (byte_alignment(rw))
1376  fixed(1, cabac_alignment_one_bit, 1);
1377  }
1378 
1379  return 0;
1380 }
1381 
1383  H264RawFiller *current)
1384 {
1385  int err;
1386 
1387  HEADER("Filler Data");
1388 
1389  CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
1390  1 << H264_NAL_FILLER_DATA));
1391 
1392 #ifdef READ
1393  while (show_bits(rw, 8) == 0xff) {
1394  fixed(8, ff_byte, 0xff);
1395  ++current->filler_size;
1396  }
1397 #else
1398  {
1399  uint32_t i;
1400  for (i = 0; i < current->filler_size; i++)
1401  fixed(8, ff_byte, 0xff);
1402  }
1403 #endif
1404 
1406 
1407  return 0;
1408 }
1409 
1411  H264RawNALUnitHeader *current)
1412 {
1413  HEADER("End of Sequence");
1414 
1415  return FUNC(nal_unit_header)(ctx, rw, current,
1416  1 << H264_NAL_END_SEQUENCE);
1417 }
1418 
1420  H264RawNALUnitHeader *current)
1421 {
1422  HEADER("End of Stream");
1423 
1424  return FUNC(nal_unit_header)(ctx, rw, current,
1425  1 << H264_NAL_END_STREAM);
1426 }
#define allocate(name, size)
Definition: cbs_h2645.c:423
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:211
#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:273
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:63
#define fixed(width, name, value)
Definition: cbs_av1.c:581
uint8_t initial_cpb_removal_delay_length_minus1
Definition: cbs_h264.h:61
H264RawPPS * pps[H264_MAX_PPS_COUNT]
Definition: cbs_h264.h:454
#define RWContext
Definition: cbs_av1.c:677
uint8_t log2_max_frame_num_minus4
Definition: cbs_h264.h:137
#define us(width, name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:276
static int FUNC() sps_extension(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPSExtension *current)
#define xue(name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:390
H264RawVUI vui
Definition: cbs_h264.h:163
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:31
uint8_t weighted_pred_flag
Definition: cbs_h264.h:204
H264RawHRD nal_hrd_parameters
Definition: cbs_h264.h:94
static int FUNC() sei_payload(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPayload *current)
uint8_t
uint16_t pic_width_in_mbs_minus1
Definition: cbs_h264.h:149
#define byte_alignment(rw)
Definition: cbs_av1.c:734
#define HEADER(name)
Definition: cbs_av1.c:548
#define MAX_UINT_BITS(length)
Definition: cbs_internal.h:98
static int FUNC() vui_parameters_default(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
unregistered user data
Definition: h264_sei.h:34
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:262
display orientation
Definition: h264_sei.h:37
int level_idc
Definition: h264_levels.c:25
static int FUNC() pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
#define ses(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:288
static int get_bits_count(const GetBitContext *s)
Definition: get_bits.h:219
H264RawSPS * sps[H264_MAX_SPS_COUNT]
Definition: cbs_h264.h:453
static int FUNC() slice_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
#define max(a, b)
Definition: cuda_runtime.h:33
alternative transfer
Definition: h264_sei.h:40
#define av_log(a,...)
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h264.h:93
uint8_t bit_depth_luma_minus8
Definition: cbs_h264.h:128
uint8_t slice_group_map_type
Definition: cbs_h264.h:190
static int FUNC() sei_alternative_transfer_characteristics(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIAlternativeTransferCharacteristics *current)
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
buffering period (H.264, D.1.1)
Definition: h264_sei.h:29
#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:1631
uint8_t max_num_ref_frames
Definition: cbs_h264.h:146
uint8_t weighted_bipred_idc
Definition: cbs_h264.h:205
static int FUNC() sei_pan_scan_rect(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPanScanRect *current)
#define ue(name, range_min, range_max)
Definition: cbs_h2645.c:267
static int FUNC() rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
uint8_t num_ref_idx_l1_default_active_minus1
Definition: cbs_h264.h:202
uint8_t frame_mbs_only_flag
Definition: cbs_h264.h:152
uint8_t bits
Definition: vp3data.h:202
static int put_bits_count(PutBitContext *s)
Definition: put_bits.h:67
uint8_t seq_parameter_set_id
Definition: cbs_h264.h:184
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:30
static int FUNC() ref_pic_list_modification(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
uint8_t separate_colour_plane_flag
Definition: cbs_h264.h:127
uint8_t last_slice_nal_unit_type
Definition: cbs_h264.h:465
AVFormatContext * ctx
Definition: movenc.c:48
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
Definition: get_bits.h:446
#define more_rbsp_data(var)
Definition: cbs_h2645.c:419
uint8_t chroma_format_idc
Definition: cbs_h264.h:126
static int FUNC() hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawHRD *current)
#define av_log2
Definition: intmath.h:83
#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:53
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:189
uint8_t bottom_field_pic_order_in_frame_present_flag
Definition: cbs_h264.h:187
uint8_t entropy_coding_mode_flag
Definition: cbs_h264.h:186
#define ub(width, name)
Definition: cbs_h2645.c:264
#define xu(width, name, var, range_min, range_max, subs,...)
Definition: cbs_h2645.c:384
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
uint8_t pic_order_cnt_type
Definition: cbs_h264.h:138
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
Context structure for coded bitstream operations.
Definition: cbs.h:168
uint8_t num_ref_idx_l0_default_active_minus1
Definition: cbs_h264.h:201
static int FUNC() end_of_sequence(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current)
CHECK(-1) CHECK(-2) }} }} CHECK(1) CHECK(2) }} }} } if(diff0+diff1 > 0) temp -
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
recovery point (frame # to decoder sync)
Definition: h264_sei.h:35
static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition: cbs_h2645.c:335
registered user data as specified by Rec. ITU-T T.35
Definition: h264_sei.h:33
#define flags(name, subs,...)
Definition: cbs_av1.c:576
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:216
uint8_t pic_struct_present_flag
Definition: cbs_h264.h:99
#define flag(name)
Definition: cbs_av1.c:568
static double c[64]
uint8_t cpb_removal_delay_length_minus1
Definition: cbs_h264.h:62
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:139
void * priv_data
Format private data.
Definition: avformat.h:1379
uint8_t delta_pic_order_always_zero_flag
Definition: cbs_h264.h:140
mastering display properties
Definition: h264_sei.h:39
const H264RawPPS * active_pps
Definition: cbs_h264.h:460
#define ib(width, name)
Definition: cbs_h2645.c:271
uint16_t pic_height_in_map_units_minus1
Definition: cbs_h264.h:150
#define infer(name, value)
Definition: cbs_av1.c:724
#define ues(name, range_min, range_max, subs,...)
Definition: cbs_h2645.c:282
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h264.h:95
H264RawHRD vcl_hrd_parameters
Definition: cbs_h264.h:96
const H264RawSPS * active_sps
Definition: cbs_h264.h:459
uint16_t slice_group_change_rate_minus1
Definition: cbs_h264.h:195
static uint8_t tmp[11]
Definition: aes_ctr.c:26