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cbs_h265_syntax_template.c
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw)
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
30static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw,
31 H265RawNALUnitHeader *current,
32 int expected_nal_unit_type)
33{
34 int err;
35
36 fixed(1, forbidden_zero_bit, 0);
37
38 if (expected_nal_unit_type >= 0)
39 u(6, nal_unit_type, expected_nal_unit_type,
40 expected_nal_unit_type);
41 else
42 ub(6, nal_unit_type);
43
44 u(6, nuh_layer_id, 0, 62);
45 u(3, nuh_temporal_id_plus1, 1, 7);
46
47 return 0;
48}
49
50static int FUNC(byte_alignment)(CodedBitstreamContext *ctx, RWContext *rw)
51{
52 int err;
53
54 fixed(1, alignment_bit_equal_to_one, 1);
55 while (byte_alignment(rw) != 0)
56 fixed(1, alignment_bit_equal_to_zero, 0);
57
58 return 0;
59}
60
61static int FUNC(extension_data)(CodedBitstreamContext *ctx, RWContext *rw,
62 H265RawExtensionData *current)
63{
64 int err;
65 size_t k;
66#ifdef READ
67 GetBitContext start;
68 uint8_t bit;
69 start = *rw;
70 for (k = 0; ff_cbs_h2645_read_more_rbsp_data(rw); k++)
71 skip_bits(rw, 1);
72 current->bit_length = k;
73 if (k > 0) {
74 *rw = start;
75 allocate(current->data, (current->bit_length + 7) / 8);
76 for (k = 0; k < current->bit_length; k++) {
77 xu(1, extension_data, bit, 0, 1, 0);
78 current->data[k / 8] |= bit << (7 - k % 8);
79 }
80 }
81#else
82 for (k = 0; k < current->bit_length; k++)
83 xu(1, extension_data, current->data[k / 8] >> (7 - k % 8) & 1, 0, 1, 0);
84#endif
85 return 0;
86}
87
88static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw,
89 H265RawProfileTierLevel *current,
90 int profile_present_flag,
91 int max_num_sub_layers_minus1)
92{
93 int err, i, j;
94
95 if (profile_present_flag) {
96 u(2, general_profile_space, 0, 0);
97 flag(general_tier_flag);
98 ub(5, general_profile_idc);
99
100 for (j = 0; j < 32; j++)
101 flags(general_profile_compatibility_flag[j], 1, j);
102
103 flag(general_progressive_source_flag);
104 flag(general_interlaced_source_flag);
105 flag(general_non_packed_constraint_flag);
106 flag(general_frame_only_constraint_flag);
107
108#define profile_compatible(x) (current->general_profile_idc == (x) || \
109 current->general_profile_compatibility_flag[x])
110 if (profile_compatible(4) || profile_compatible(5) ||
111 profile_compatible(6) || profile_compatible(7) ||
112 profile_compatible(8) || profile_compatible(9) ||
113 profile_compatible(10) || profile_compatible(11)) {
114 flag(general_max_12bit_constraint_flag);
115 flag(general_max_10bit_constraint_flag);
116 flag(general_max_8bit_constraint_flag);
117 flag(general_max_422chroma_constraint_flag);
118 flag(general_max_420chroma_constraint_flag);
119 flag(general_max_monochrome_constraint_flag);
120 flag(general_intra_constraint_flag);
121 flag(general_one_picture_only_constraint_flag);
122 flag(general_lower_bit_rate_constraint_flag);
123
124 if (profile_compatible(5) || profile_compatible(9) ||
125 profile_compatible(10) || profile_compatible(11)) {
126 flag(general_max_14bit_constraint_flag);
127 fixed(24, general_reserved_zero_33bits, 0);
128 fixed( 9, general_reserved_zero_33bits, 0);
129 } else {
130 fixed(24, general_reserved_zero_34bits, 0);
131 fixed(10, general_reserved_zero_34bits, 0);
132 }
133 } else if (profile_compatible(2)) {
134 fixed(7, general_reserved_zero_7bits, 0);
135 flag(general_one_picture_only_constraint_flag);
136 fixed(24, general_reserved_zero_35bits, 0);
137 fixed(11, general_reserved_zero_35bits, 0);
138 } else {
139 fixed(24, general_reserved_zero_43bits, 0);
140 fixed(19, general_reserved_zero_43bits, 0);
141 }
142
143 if (profile_compatible(1) || profile_compatible(2) ||
144 profile_compatible(3) || profile_compatible(4) ||
145 profile_compatible(5) || profile_compatible(9) ||
146 profile_compatible(11)) {
147 flag(general_inbld_flag);
148 } else {
149 fixed(1, general_reserved_zero_bit, 0);
150 }
151#undef profile_compatible
152 }
153
154 ub(8, general_level_idc);
155
156 for (i = 0; i < max_num_sub_layers_minus1; i++) {
157 flags(sub_layer_profile_present_flag[i], 1, i);
158 flags(sub_layer_level_present_flag[i], 1, i);
159 }
160
161 if (max_num_sub_layers_minus1 > 0) {
162 for (i = max_num_sub_layers_minus1; i < 8; i++)
163 fixed(2, reserved_zero_2bits, 0);
164 }
165
166 for (i = 0; i < max_num_sub_layers_minus1; i++) {
167 if (current->sub_layer_profile_present_flag[i]) {
168 us(2, sub_layer_profile_space[i], 0, 0, 1, i);
169 flags(sub_layer_tier_flag[i], 1, i);
170 ubs(5, sub_layer_profile_idc[i], 1, i);
171
172 for (j = 0; j < 32; j++)
173 flags(sub_layer_profile_compatibility_flag[i][j], 2, i, j);
174
175 flags(sub_layer_progressive_source_flag[i], 1, i);
176 flags(sub_layer_interlaced_source_flag[i], 1, i);
177 flags(sub_layer_non_packed_constraint_flag[i], 1, i);
178 flags(sub_layer_frame_only_constraint_flag[i], 1, i);
179
180#define profile_compatible(x) (current->sub_layer_profile_idc[i] == (x) || \
181 current->sub_layer_profile_compatibility_flag[i][x])
182 if (profile_compatible(4) || profile_compatible(5) ||
183 profile_compatible(6) || profile_compatible(7) ||
184 profile_compatible(8) || profile_compatible(9) ||
185 profile_compatible(10) || profile_compatible(11)) {
186 flags(sub_layer_max_12bit_constraint_flag[i], 1, i);
187 flags(sub_layer_max_10bit_constraint_flag[i], 1, i);
188 flags(sub_layer_max_8bit_constraint_flag[i], 1, i);
189 flags(sub_layer_max_422chroma_constraint_flag[i], 1, i);
190 flags(sub_layer_max_420chroma_constraint_flag[i], 1, i);
191 flags(sub_layer_max_monochrome_constraint_flag[i], 1, i);
192 flags(sub_layer_intra_constraint_flag[i], 1, i);
193 flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
194 flags(sub_layer_lower_bit_rate_constraint_flag[i], 1, i);
195
196 if (profile_compatible(5) || profile_compatible(9) ||
197 profile_compatible(10) || profile_compatible(11)) {
198 flags(sub_layer_max_14bit_constraint_flag[i], 1, i);
199 fixed(24, sub_layer_reserved_zero_33bits, 0);
200 fixed( 9, sub_layer_reserved_zero_33bits, 0);
201 } else {
202 fixed(24, sub_layer_reserved_zero_34bits, 0);
203 fixed(10, sub_layer_reserved_zero_34bits, 0);
204 }
205 } else if (profile_compatible(2)) {
206 fixed(7, sub_layer_reserved_zero_7bits, 0);
207 flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
208 fixed(24, sub_layer_reserved_zero_43bits, 0);
209 fixed(11, sub_layer_reserved_zero_43bits, 0);
210 } else {
211 fixed(24, sub_layer_reserved_zero_43bits, 0);
212 fixed(19, sub_layer_reserved_zero_43bits, 0);
213 }
214
215 if (profile_compatible(1) || profile_compatible(2) ||
216 profile_compatible(3) || profile_compatible(4) ||
217 profile_compatible(5) || profile_compatible(9) ||
218 profile_compatible(11)) {
219 flags(sub_layer_inbld_flag[i], 1, i);
220 } else {
221 fixed(1, sub_layer_reserved_zero_bit, 0);
222 }
223#undef profile_compatible
224 }
225 if (current->sub_layer_level_present_flag[i])
226 ubs(8, sub_layer_level_idc[i], 1, i);
227 }
228
229 return 0;
230}
231
232static int FUNC(sub_layer_hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
233 H265RawHRDParameters *hrd,
234 int nal, int sub_layer_id)
235{
236 H265RawSubLayerHRDParameters *current;
237 int err, i;
238
239 if (nal)
240 current = &hrd->nal_sub_layer_hrd_parameters[sub_layer_id];
241 else
242 current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id];
243
244 for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) {
245 ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
246 ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
247 if (hrd->sub_pic_hrd_params_present_flag) {
248 ues(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
249 ues(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
250 }
251 flags(cbr_flag[i], 1, i);
252 }
253
254 return 0;
255}
256
257static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
258 H265RawHRDParameters *current, int common_inf_present_flag,
259 int max_num_sub_layers_minus1)
260{
261 int err, i;
262
263 if (common_inf_present_flag) {
264 flag(nal_hrd_parameters_present_flag);
265 flag(vcl_hrd_parameters_present_flag);
266
267 if (current->nal_hrd_parameters_present_flag ||
268 current->vcl_hrd_parameters_present_flag) {
269 flag(sub_pic_hrd_params_present_flag);
270 if (current->sub_pic_hrd_params_present_flag) {
271 ub(8, tick_divisor_minus2);
272 ub(5, du_cpb_removal_delay_increment_length_minus1);
273 flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
274 ub(5, dpb_output_delay_du_length_minus1);
275 }
276
277 ub(4, bit_rate_scale);
278 ub(4, cpb_size_scale);
279 if (current->sub_pic_hrd_params_present_flag)
280 ub(4, cpb_size_du_scale);
281
282 ub(5, initial_cpb_removal_delay_length_minus1);
283 ub(5, au_cpb_removal_delay_length_minus1);
284 ub(5, dpb_output_delay_length_minus1);
285 } else {
286 infer(sub_pic_hrd_params_present_flag, 0);
287
288 infer(initial_cpb_removal_delay_length_minus1, 23);
289 infer(au_cpb_removal_delay_length_minus1, 23);
290 infer(dpb_output_delay_length_minus1, 23);
291 }
292 }
293
294 for (i = 0; i <= max_num_sub_layers_minus1; i++) {
295 flags(fixed_pic_rate_general_flag[i], 1, i);
296
297 if (!current->fixed_pic_rate_general_flag[i])
298 flags(fixed_pic_rate_within_cvs_flag[i], 1, i);
299 else
300 infer(fixed_pic_rate_within_cvs_flag[i], 1);
301
302 if (current->fixed_pic_rate_within_cvs_flag[i]) {
303 ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i);
304 infer(low_delay_hrd_flag[i], 0);
305 } else
306 flags(low_delay_hrd_flag[i], 1, i);
307
308 if (!current->low_delay_hrd_flag[i])
309 ues(cpb_cnt_minus1[i], 0, 31, 1, i);
310 else
311 infer(cpb_cnt_minus1[i], 0);
312
313 if (current->nal_hrd_parameters_present_flag)
314 CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 0, i));
315 if (current->vcl_hrd_parameters_present_flag)
316 CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 1, i));
317 }
318
319 return 0;
320}
321
322static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
323 H265RawVUI *current, const H265RawSPS *sps)
324{
325 int err;
326
327 flag(aspect_ratio_info_present_flag);
328 if (current->aspect_ratio_info_present_flag) {
329 ub(8, aspect_ratio_idc);
330 if (current->aspect_ratio_idc == 255) {
331 ub(16, sar_width);
332 ub(16, sar_height);
333 }
334 } else {
335 infer(aspect_ratio_idc, 0);
336 }
337
338 flag(overscan_info_present_flag);
339 if (current->overscan_info_present_flag)
340 flag(overscan_appropriate_flag);
341
342 flag(video_signal_type_present_flag);
343 if (current->video_signal_type_present_flag) {
344 ub(3, video_format);
345 flag(video_full_range_flag);
346 flag(colour_description_present_flag);
347 if (current->colour_description_present_flag) {
348 ub(8, colour_primaries);
349 ub(8, transfer_characteristics);
350 ub(8, matrix_coefficients);
351 } else {
352 infer(colour_primaries, 2);
353 infer(transfer_characteristics, 2);
354 infer(matrix_coefficients, 2);
355 }
356 } else {
357 infer(video_format, 5);
358 infer(video_full_range_flag, 0);
359 infer(colour_primaries, 2);
360 infer(transfer_characteristics, 2);
361 infer(matrix_coefficients, 2);
362 }
363
364 flag(chroma_loc_info_present_flag);
365 if (current->chroma_loc_info_present_flag) {
366 ue(chroma_sample_loc_type_top_field, 0, 5);
367 ue(chroma_sample_loc_type_bottom_field, 0, 5);
368 } else {
369 infer(chroma_sample_loc_type_top_field, 0);
370 infer(chroma_sample_loc_type_bottom_field, 0);
371 }
372
373 flag(neutral_chroma_indication_flag);
374 flag(field_seq_flag);
375 flag(frame_field_info_present_flag);
376
377 flag(default_display_window_flag);
378 if (current->default_display_window_flag) {
379 ue(def_disp_win_left_offset, 0, 16384);
380 ue(def_disp_win_right_offset, 0, 16384);
381 ue(def_disp_win_top_offset, 0, 16384);
382 ue(def_disp_win_bottom_offset, 0, 16384);
383 }
384
385 flag(vui_timing_info_present_flag);
386 if (current->vui_timing_info_present_flag) {
387 u(32, vui_num_units_in_tick, 1, UINT32_MAX);
388 u(32, vui_time_scale, 1, UINT32_MAX);
389 flag(vui_poc_proportional_to_timing_flag);
390 if (current->vui_poc_proportional_to_timing_flag)
391 ue(vui_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
392
393 flag(vui_hrd_parameters_present_flag);
394 if (current->vui_hrd_parameters_present_flag) {
395 CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters,
396 1, sps->sps_max_sub_layers_minus1));
397 }
398 }
399
400 flag(bitstream_restriction_flag);
401 if (current->bitstream_restriction_flag) {
402 flag(tiles_fixed_structure_flag);
403 flag(motion_vectors_over_pic_boundaries_flag);
404 flag(restricted_ref_pic_lists_flag);
405 ue(min_spatial_segmentation_idc, 0, 4095);
406 ue(max_bytes_per_pic_denom, 0, 16);
407 ue(max_bits_per_min_cu_denom, 0, 16);
408 ue(log2_max_mv_length_horizontal, 0, 16);
409 ue(log2_max_mv_length_vertical, 0, 16);
410 } else {
411 infer(tiles_fixed_structure_flag, 0);
412 infer(motion_vectors_over_pic_boundaries_flag, 1);
413 infer(min_spatial_segmentation_idc, 0);
414 infer(max_bytes_per_pic_denom, 2);
415 infer(max_bits_per_min_cu_denom, 1);
416 infer(log2_max_mv_length_horizontal, 15);
417 infer(log2_max_mv_length_vertical, 15);
418 }
419
420 return 0;
421}
422
423static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw,
424 H265RawVPS *current)
425{
426 int err, i, j;
427
428 HEADER("Video Parameter Set");
429
430 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_VPS));
431
432 ub(4, vps_video_parameter_set_id);
433
434 flag(vps_base_layer_internal_flag);
435 flag(vps_base_layer_available_flag);
436 u(6, vps_max_layers_minus1, 0, HEVC_MAX_LAYERS - 1);
437 u(3, vps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
438 flag(vps_temporal_id_nesting_flag);
439
440 if (current->vps_max_sub_layers_minus1 == 0 &&
441 current->vps_temporal_id_nesting_flag != 1) {
442 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
443 "vps_temporal_id_nesting_flag must be 1 if "
444 "vps_max_sub_layers_minus1 is 0.\n");
445 return AVERROR_INVALIDDATA;
446 }
447
448 fixed(16, vps_reserved_0xffff_16bits, 0xffff);
449
450 CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
451 1, current->vps_max_sub_layers_minus1));
452
453 flag(vps_sub_layer_ordering_info_present_flag);
454 for (i = (current->vps_sub_layer_ordering_info_present_flag ?
455 0 : current->vps_max_sub_layers_minus1);
456 i <= current->vps_max_sub_layers_minus1; i++) {
457 ues(vps_max_dec_pic_buffering_minus1[i],
458 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
459 ues(vps_max_num_reorder_pics[i],
460 0, current->vps_max_dec_pic_buffering_minus1[i], 1, i);
461 ues(vps_max_latency_increase_plus1[i],
462 0, UINT32_MAX - 1, 1, i);
463 }
464 if (!current->vps_sub_layer_ordering_info_present_flag) {
465 for (i = 0; i < current->vps_max_sub_layers_minus1; i++) {
466 infer(vps_max_dec_pic_buffering_minus1[i],
467 current->vps_max_dec_pic_buffering_minus1[current->vps_max_sub_layers_minus1]);
468 infer(vps_max_num_reorder_pics[i],
469 current->vps_max_num_reorder_pics[current->vps_max_sub_layers_minus1]);
470 infer(vps_max_latency_increase_plus1[i],
471 current->vps_max_latency_increase_plus1[current->vps_max_sub_layers_minus1]);
472 }
473 }
474
475 u(6, vps_max_layer_id, 0, HEVC_MAX_LAYERS - 1);
476 ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1);
477 for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) {
478 for (j = 0; j <= current->vps_max_layer_id; j++)
479 flags(layer_id_included_flag[i][j], 2, i, j);
480 }
481 for (j = 0; j <= current->vps_max_layer_id; j++)
482 infer(layer_id_included_flag[0][j], j == 0);
483
484 flag(vps_timing_info_present_flag);
485 if (current->vps_timing_info_present_flag) {
486 u(32, vps_num_units_in_tick, 1, UINT32_MAX);
487 u(32, vps_time_scale, 1, UINT32_MAX);
488 flag(vps_poc_proportional_to_timing_flag);
489 if (current->vps_poc_proportional_to_timing_flag)
490 ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
491 ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1);
492 if (current->vps_num_hrd_parameters > 0)
493 allocate(current->hrd_parameters,
494 current->vps_num_hrd_parameters *
495 sizeof(*current->hrd_parameters));
496 for (i = 0; i < current->vps_num_hrd_parameters; i++) {
497 ues(hrd_layer_set_idx[i],
498 current->vps_base_layer_internal_flag ? 0 : 1,
499 current->vps_num_layer_sets_minus1, 1, i);
500 if (i > 0)
501 flags(cprms_present_flag[i], 1, i);
502 else
503 infer(cprms_present_flag[0], 1);
504
505 CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters[i],
506 current->cprms_present_flag[i],
507 current->vps_max_sub_layers_minus1));
508 }
509 }
510
511 flag(vps_extension_flag);
512 if (current->vps_extension_flag)
513 CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
514
515 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
516
517 return 0;
518}
519
520static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw,
521 H265RawSTRefPicSet *current, int st_rps_idx,
522 const H265RawSPS *sps)
523{
524 int err, i, j;
525
526 if (st_rps_idx != 0)
527 flag(inter_ref_pic_set_prediction_flag);
528 else
529 infer(inter_ref_pic_set_prediction_flag, 0);
530
531 if (current->inter_ref_pic_set_prediction_flag) {
532 unsigned int ref_rps_idx, num_delta_pocs, num_ref_pics;
533 const H265RawSTRefPicSet *ref;
534 int delta_rps, d_poc;
535 int ref_delta_poc_s0[HEVC_MAX_REFS], ref_delta_poc_s1[HEVC_MAX_REFS];
536 int delta_poc_s0[HEVC_MAX_REFS], delta_poc_s1[HEVC_MAX_REFS];
537 uint8_t used_by_curr_pic_s0[HEVC_MAX_REFS],
538 used_by_curr_pic_s1[HEVC_MAX_REFS];
539
540 if (st_rps_idx == sps->num_short_term_ref_pic_sets)
541 ue(delta_idx_minus1, 0, st_rps_idx - 1);
542 else
543 infer(delta_idx_minus1, 0);
544
545 ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
546 ref = &sps->st_ref_pic_set[ref_rps_idx];
547 num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
548 av_assert0(num_delta_pocs < HEVC_MAX_DPB_SIZE);
549
550 flag(delta_rps_sign);
551 ue(abs_delta_rps_minus1, 0, INT16_MAX);
552 delta_rps = (1 - 2 * current->delta_rps_sign) *
553 (current->abs_delta_rps_minus1 + 1);
554
555 num_ref_pics = 0;
556 for (j = 0; j <= num_delta_pocs; j++) {
557 flags(used_by_curr_pic_flag[j], 1, j);
558 if (!current->used_by_curr_pic_flag[j])
559 flags(use_delta_flag[j], 1, j);
560 else
561 infer(use_delta_flag[j], 1);
562 if (current->use_delta_flag[j])
563 ++num_ref_pics;
564 }
565 if (num_ref_pics >= HEVC_MAX_DPB_SIZE) {
566 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
567 "short-term ref pic set %d "
568 "contains too many pictures.\n", st_rps_idx);
569 return AVERROR_INVALIDDATA;
570 }
571
572 // Since the stored form of an RPS here is actually the delta-step
573 // form used when inter_ref_pic_set_prediction_flag is not set, we
574 // need to reconstruct that here in order to be able to refer to
575 // the RPS later (which is required for parsing, because we don't
576 // even know what syntax elements appear without it). Therefore,
577 // this code takes the delta-step form of the reference set, turns
578 // it into the delta-array form, applies the prediction process of
579 // 7.4.8, converts the result back to the delta-step form, and
580 // stores that as the current set for future use. Note that the
581 // inferences here mean that writers using prediction will need
582 // to fill in the delta-step values correctly as well - since the
583 // whole RPS prediction process is somewhat overly sophisticated,
584 // this hopefully forms a useful check for them to ensure their
585 // predicted form actually matches what was intended rather than
586 // an onerous additional requirement.
587
588 d_poc = 0;
589 for (i = 0; i < ref->num_negative_pics; i++) {
590 d_poc -= ref->delta_poc_s0_minus1[i] + 1;
591 ref_delta_poc_s0[i] = d_poc;
592 }
593 d_poc = 0;
594 for (i = 0; i < ref->num_positive_pics; i++) {
595 d_poc += ref->delta_poc_s1_minus1[i] + 1;
596 ref_delta_poc_s1[i] = d_poc;
597 }
598
599 i = 0;
600 for (j = ref->num_positive_pics - 1; j >= 0; j--) {
601 d_poc = ref_delta_poc_s1[j] + delta_rps;
602 if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
603 delta_poc_s0[i] = d_poc;
604 used_by_curr_pic_s0[i++] =
605 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
606 }
607 }
608 if (delta_rps < 0 && current->use_delta_flag[num_delta_pocs]) {
609 delta_poc_s0[i] = delta_rps;
610 used_by_curr_pic_s0[i++] =
611 current->used_by_curr_pic_flag[num_delta_pocs];
612 }
613 for (j = 0; j < ref->num_negative_pics; j++) {
614 d_poc = ref_delta_poc_s0[j] + delta_rps;
615 if (d_poc < 0 && current->use_delta_flag[j]) {
616 delta_poc_s0[i] = d_poc;
617 used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
618 }
619 }
620
621 infer(num_negative_pics, i);
622 for (i = 0; i < current->num_negative_pics; i++) {
623 infer(delta_poc_s0_minus1[i],
624 -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
625 infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
626 }
627
628 i = 0;
629 for (j = ref->num_negative_pics - 1; j >= 0; j--) {
630 d_poc = ref_delta_poc_s0[j] + delta_rps;
631 if (d_poc > 0 && current->use_delta_flag[j]) {
632 delta_poc_s1[i] = d_poc;
633 used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
634 }
635 }
636 if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
637 delta_poc_s1[i] = delta_rps;
638 used_by_curr_pic_s1[i++] =
639 current->used_by_curr_pic_flag[num_delta_pocs];
640 }
641 for (j = 0; j < ref->num_positive_pics; j++) {
642 d_poc = ref_delta_poc_s1[j] + delta_rps;
643 if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
644 delta_poc_s1[i] = d_poc;
645 used_by_curr_pic_s1[i++] =
646 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
647 }
648 }
649
650 infer(num_positive_pics, i);
651 for (i = 0; i < current->num_positive_pics; i++) {
652 infer(delta_poc_s1_minus1[i],
653 delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
654 infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
655 }
656
657 } else {
658 ue(num_negative_pics, 0, 15);
659 ue(num_positive_pics, 0, 15 - current->num_negative_pics);
660
661 for (i = 0; i < current->num_negative_pics; i++) {
662 ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
663 flags(used_by_curr_pic_s0_flag[i], 1, i);
664 }
665
666 for (i = 0; i < current->num_positive_pics; i++) {
667 ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i);
668 flags(used_by_curr_pic_s1_flag[i], 1, i);
669 }
670 }
671
672 return 0;
673}
674
675static int FUNC(scaling_list_data)(CodedBitstreamContext *ctx, RWContext *rw,
676 H265RawScalingList *current)
677{
678 int sizeId, matrixId;
679 int err, n, i;
680
681 for (sizeId = 0; sizeId < 4; sizeId++) {
682 for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
683 flags(scaling_list_pred_mode_flag[sizeId][matrixId],
684 2, sizeId, matrixId);
685 if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
686 ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
687 0, sizeId == 3 ? matrixId / 3 : matrixId,
688 2, sizeId, matrixId);
689 } else {
690 n = FFMIN(64, 1 << (4 + (sizeId << 1)));
691 if (sizeId > 1) {
692 ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247,
693 2, sizeId - 2, matrixId);
694 }
695 for (i = 0; i < n; i++) {
696 ses(scaling_list_delta_coeff[sizeId][matrixId][i],
697 -128, +127, 3, sizeId, matrixId, i);
698 }
699 }
700 }
701 }
702
703 return 0;
704}
705
706static int FUNC(sps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw,
707 H265RawSPS *current)
708{
709 int err;
710
711 flag(transform_skip_rotation_enabled_flag);
712 flag(transform_skip_context_enabled_flag);
713 flag(implicit_rdpcm_enabled_flag);
714 flag(explicit_rdpcm_enabled_flag);
715 flag(extended_precision_processing_flag);
716 flag(intra_smoothing_disabled_flag);
717 flag(high_precision_offsets_enabled_flag);
718 flag(persistent_rice_adaptation_enabled_flag);
719 flag(cabac_bypass_alignment_enabled_flag);
720
721 return 0;
722}
723
724static int FUNC(sps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw,
725 H265RawSPS *current)
726{
727 int err, comp, i;
728
729 flag(sps_curr_pic_ref_enabled_flag);
730
731 flag(palette_mode_enabled_flag);
732 if (current->palette_mode_enabled_flag) {
733 ue(palette_max_size, 0, 64);
734 ue(delta_palette_max_predictor_size, 0, 128);
735
736 flag(sps_palette_predictor_initializer_present_flag);
737 if (current->sps_palette_predictor_initializer_present_flag) {
738 ue(sps_num_palette_predictor_initializer_minus1, 0, 127);
739 for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
740 int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
741 : current->bit_depth_chroma_minus8 + 8;
742 for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
743 ubs(bit_depth, sps_palette_predictor_initializers[comp][i], 2, comp, i);
744 }
745 }
746 }
747
748 u(2, motion_vector_resolution_control_idc, 0, 2);
749 flag(intra_boundary_filtering_disable_flag);
750
751 return 0;
752}
753
754static int FUNC(sps_multilayer_extension)(CodedBitstreamContext *ctx, RWContext *rw,
755 H265RawSPS *current)
756{
757 int err;
758
759 flag(inter_view_mv_vert_constraint_flag);
760
761 return 0;
762}
763
764static int FUNC(vui_parameters_default)(CodedBitstreamContext *ctx,
765 RWContext *rw, H265RawVUI *current,
766 H265RawSPS *sps)
767{
768 infer(aspect_ratio_idc, 0);
769
770 infer(video_format, 5);
771 infer(video_full_range_flag, 0);
772 infer(colour_primaries, 2);
773 infer(transfer_characteristics, 2);
774 infer(matrix_coefficients, 2);
775
776 infer(chroma_sample_loc_type_top_field, 0);
777 infer(chroma_sample_loc_type_bottom_field, 0);
778
779 infer(tiles_fixed_structure_flag, 0);
780 infer(motion_vectors_over_pic_boundaries_flag, 1);
781 infer(min_spatial_segmentation_idc, 0);
782 infer(max_bytes_per_pic_denom, 2);
783 infer(max_bits_per_min_cu_denom, 1);
784 infer(log2_max_mv_length_horizontal, 15);
785 infer(log2_max_mv_length_vertical, 15);
786
787 return 0;
788}
789
790static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw,
791 H265RawSPS *current)
792{
793 CodedBitstreamH265Context *h265 = ctx->priv_data;
794 const H265RawVPS *vps;
795 int err, i;
796 unsigned int min_cb_log2_size_y, ctb_log2_size_y,
797 min_cb_size_y, min_tb_log2_size_y;
798 unsigned int multi_layer_ext_sps_flag;
799
800 HEADER("Sequence Parameter Set");
801
802 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
803
804 ub(4, sps_video_parameter_set_id);
805 h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
806 if (!vps) {
807 av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available.\n",
808 current->sps_video_parameter_set_id);
809 return AVERROR_INVALIDDATA;
810 }
811
812 if (current->nal_unit_header.nuh_layer_id == 0)
813 u(3, sps_max_sub_layers_minus1, 0, vps->vps_max_sub_layers_minus1);
814 else {
815 u(3, sps_ext_or_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS);
816 infer(sps_max_sub_layers_minus1, current->sps_ext_or_max_sub_layers_minus1 == HEVC_MAX_SUB_LAYERS
817 ? vps->vps_max_sub_layers_minus1
818 : current->sps_ext_or_max_sub_layers_minus1);
819 }
820 multi_layer_ext_sps_flag = current->nal_unit_header.nuh_layer_id &&
821 current->sps_ext_or_max_sub_layers_minus1 == HEVC_MAX_SUB_LAYERS;
822 if (!multi_layer_ext_sps_flag) {
823 flag(sps_temporal_id_nesting_flag);
824
825 if (vps->vps_temporal_id_nesting_flag &&
826 !current->sps_temporal_id_nesting_flag) {
827 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
828 "sps_temporal_id_nesting_flag must be 1 if "
829 "vps_temporal_id_nesting_flag is 1.\n");
830 return AVERROR_INVALIDDATA;
831 }
832 if (current->sps_max_sub_layers_minus1 == 0 &&
833 current->sps_temporal_id_nesting_flag != 1) {
834 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
835 "sps_temporal_id_nesting_flag must be 1 if "
836 "sps_max_sub_layers_minus1 is 0.\n");
837 return AVERROR_INVALIDDATA;
838 }
839
840 CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
841 1, current->sps_max_sub_layers_minus1));
842 } else {
843 if (current->sps_max_sub_layers_minus1 > 0)
844 infer(sps_temporal_id_nesting_flag, vps->vps_temporal_id_nesting_flag);
845 else
846 infer(sps_temporal_id_nesting_flag, 1);
847 }
848
849 ue(sps_seq_parameter_set_id, 0, 15);
850
851 if (multi_layer_ext_sps_flag) {
852 flag(update_rep_format_flag);
853 if (current->update_rep_format_flag)
854 ub(8, sps_rep_format_idx);
855 } else {
856 ue(chroma_format_idc, 0, 3);
857 if (current->chroma_format_idc == 3)
858 flag(separate_colour_plane_flag);
859 else
860 infer(separate_colour_plane_flag, 0);
861
862 ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
863 ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
864
865 flag(conformance_window_flag);
866 if (current->conformance_window_flag) {
867 ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
868 ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
869 ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
870 ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
871 } else {
872 infer(conf_win_left_offset, 0);
873 infer(conf_win_right_offset, 0);
874 infer(conf_win_top_offset, 0);
875 infer(conf_win_bottom_offset, 0);
876 }
877
878 ue(bit_depth_luma_minus8, 0, 8);
879 ue(bit_depth_chroma_minus8, 0, 8);
880 }
881
882 ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
883
884 if (!multi_layer_ext_sps_flag) {
885 flag(sps_sub_layer_ordering_info_present_flag);
886 for (i = (current->sps_sub_layer_ordering_info_present_flag ?
887 0 : current->sps_max_sub_layers_minus1);
888 i <= current->sps_max_sub_layers_minus1; i++) {
889 ues(sps_max_dec_pic_buffering_minus1[i],
890 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
891 ues(sps_max_num_reorder_pics[i],
892 0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
893 ues(sps_max_latency_increase_plus1[i],
894 0, UINT32_MAX - 1, 1, i);
895 }
896 if (!current->sps_sub_layer_ordering_info_present_flag) {
897 for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
898 infer(sps_max_dec_pic_buffering_minus1[i],
899 current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
900 infer(sps_max_num_reorder_pics[i],
901 current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
902 infer(sps_max_latency_increase_plus1[i],
903 current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
904 }
905 }
906 }
907
908 ue(log2_min_luma_coding_block_size_minus3, 0, 3);
909 min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
910
911 ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
912 ctb_log2_size_y = min_cb_log2_size_y +
913 current->log2_diff_max_min_luma_coding_block_size;
914
915 min_cb_size_y = 1 << min_cb_log2_size_y;
916 if (current->pic_width_in_luma_samples % min_cb_size_y ||
917 current->pic_height_in_luma_samples % min_cb_size_y) {
918 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
919 "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
920 current->pic_height_in_luma_samples, min_cb_size_y);
921 return AVERROR_INVALIDDATA;
922 }
923
924 ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
925 min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
926
927 ue(log2_diff_max_min_luma_transform_block_size,
928 0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
929
930 ue(max_transform_hierarchy_depth_inter,
931 0, ctb_log2_size_y - min_tb_log2_size_y);
932 ue(max_transform_hierarchy_depth_intra,
933 0, ctb_log2_size_y - min_tb_log2_size_y);
934
935 flag(scaling_list_enabled_flag);
936 if (current->scaling_list_enabled_flag) {
937 if (multi_layer_ext_sps_flag)
938 flag(sps_infer_scaling_list_flag);
939 else
940 infer(sps_infer_scaling_list_flag, 0);
941 if (current->sps_infer_scaling_list_flag)
942 ub(6, sps_scaling_list_ref_layer_id);
943 else {
944 flag(sps_scaling_list_data_present_flag);
945 if (current->sps_scaling_list_data_present_flag)
946 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
947 }
948 } else {
949 infer(sps_scaling_list_data_present_flag, 0);
950 }
951
952 flag(amp_enabled_flag);
953 flag(sample_adaptive_offset_enabled_flag);
954
955 flag(pcm_enabled_flag);
956 if (current->pcm_enabled_flag) {
957 u(4, pcm_sample_bit_depth_luma_minus1,
958 0, current->bit_depth_luma_minus8 + 8 - 1);
959 u(4, pcm_sample_bit_depth_chroma_minus1,
960 0, current->bit_depth_chroma_minus8 + 8 - 1);
961
962 ue(log2_min_pcm_luma_coding_block_size_minus3,
963 FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
964 ue(log2_diff_max_min_pcm_luma_coding_block_size,
965 0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
966
967 flag(pcm_loop_filter_disabled_flag);
968 }
969
970 ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
971 for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
972 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
973
974 flag(long_term_ref_pics_present_flag);
975 if (current->long_term_ref_pics_present_flag) {
976 ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
977 for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
978 ubs(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
979 lt_ref_pic_poc_lsb_sps[i], 1, i);
980 flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
981 }
982 }
983
984 flag(sps_temporal_mvp_enabled_flag);
985 flag(strong_intra_smoothing_enabled_flag);
986
987 flag(vui_parameters_present_flag);
988 if (current->vui_parameters_present_flag)
989 CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
990 else
991 CHECK(FUNC(vui_parameters_default)(ctx, rw, &current->vui, current));
992
993 flag(sps_extension_present_flag);
994 if (current->sps_extension_present_flag) {
995 flag(sps_range_extension_flag);
996 flag(sps_multilayer_extension_flag);
997 flag(sps_3d_extension_flag);
998 flag(sps_scc_extension_flag);
999 ub(4, sps_extension_4bits);
1000 }
1001
1002 if (current->sps_range_extension_flag)
1003 CHECK(FUNC(sps_range_extension)(ctx, rw, current));
1004 if (current->sps_multilayer_extension_flag)
1005 CHECK(FUNC(sps_multilayer_extension)(ctx, rw, current));
1006 if (current->sps_3d_extension_flag)
1007 return AVERROR_PATCHWELCOME;
1008 if (current->sps_scc_extension_flag)
1009 CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
1010 if (current->sps_extension_4bits)
1011 CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1012
1013 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1014
1015 return 0;
1016}
1017
1018static int FUNC(pps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1019 H265RawPPS *current)
1020{
1021 CodedBitstreamH265Context *h265 = ctx->priv_data;
1022 const H265RawSPS *sps = h265->active_sps;
1023 int err, i;
1024
1025 if (current->transform_skip_enabled_flag)
1026 ue(log2_max_transform_skip_block_size_minus2, 0, 3);
1027 flag(cross_component_prediction_enabled_flag);
1028
1029 flag(chroma_qp_offset_list_enabled_flag);
1030 if (current->chroma_qp_offset_list_enabled_flag) {
1031 ue(diff_cu_chroma_qp_offset_depth,
1032 0, sps->log2_diff_max_min_luma_coding_block_size);
1033 ue(chroma_qp_offset_list_len_minus1, 0, 5);
1034 for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
1035 ses(cb_qp_offset_list[i], -12, +12, 1, i);
1036 ses(cr_qp_offset_list[i], -12, +12, 1, i);
1037 }
1038 }
1039
1040 ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
1041 ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
1042
1043 return 0;
1044}
1045
1046static int FUNC(colour_mapping_octants)(CodedBitstreamContext *ctx, RWContext *rw,
1047 H265RawPPS *current, unsigned int inp_depth,
1048 unsigned int idx_y, unsigned int idx_cb,
1049 unsigned int idx_cr, unsigned int inp_length)
1050{
1051 int part_num_y, cm_res_bits;
1052 int err;
1053
1054 part_num_y = 1 << current->cm_y_part_num_log2;
1055
1056 av_assert0(inp_depth <= 1);
1057 if (inp_depth < current->cm_octant_depth)
1058 flags(split_octant_flag[inp_depth], 1, inp_depth);
1059 else
1060 infer(split_octant_flag[inp_depth], 0);
1061
1062 if (current->split_octant_flag[inp_depth])
1063 for (int k = 0; k < 2; k++)
1064 for (int m = 0; m < 2; m++)
1065 for (int n = 0; n < 2; n++)
1066 CHECK(FUNC(colour_mapping_octants)(ctx, rw, current, inp_depth + 1,
1067 idx_y + part_num_y * k * inp_length / 2,
1068 idx_cb + m * inp_length / 2,
1069 idx_cr + n * inp_length / 2,
1070 inp_length / 2));
1071 else
1072 for (int i = 0; i < part_num_y; i++) {
1073 int idx_shift_y = idx_y + (i << (current->cm_octant_depth - inp_depth));
1074 for (int j = 0; j < 4; j++) {
1075 flags(coded_res_flag[idx_shift_y][idx_cb][idx_cr][j],
1076 4, idx_shift_y, idx_cb, idx_cr, j);
1077 if (current->coded_res_flag[idx_shift_y][idx_cb][idx_cr][j]) {
1078 for (int c = 0; c < 3; c++) {
1079 ues(res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c], 0, 3,
1080 5, idx_shift_y, idx_cb, idx_cr, j, c);
1081 cm_res_bits = FFMAX(0, 10 + (current->luma_bit_depth_cm_input_minus8 + 8) -
1082 (current->luma_bit_depth_cm_output_minus8 + 8) -
1083 current->cm_res_quant_bits - (current->cm_delta_flc_bits_minus1 + 1));
1084 if (cm_res_bits)
1085 ubs(cm_res_bits, res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c],
1086 5, idx_shift_y, idx_cb, idx_cr, j, c);
1087 else
1088 infer(res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1089 if (current->res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c] ||
1090 current->res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c])
1091 ub(1, res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c]);
1092 else
1093 infer(res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1094 }
1095 } else {
1096 for (int c = 0; c < 3; c++) {
1097 infer(res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1098 infer(res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1099 infer(res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1100 }
1101 }
1102 }
1103 }
1104
1105 return 0;
1106}
1107
1108static int FUNC(colour_mapping_table)(CodedBitstreamContext *ctx, RWContext *rw,
1109 H265RawPPS *current)
1110{
1111 int err;
1112
1113 ue(num_cm_ref_layers_minus1, 0, 61);
1114 for (int i = 0; i <= current->num_cm_ref_layers_minus1; i++)
1115 ubs(6, cm_ref_layer_id[i], 1, i);
1116
1117 u(2, cm_octant_depth, 0, 1);
1118 u(2, cm_y_part_num_log2, 0, 3 - current->cm_octant_depth);
1119
1120 ue(luma_bit_depth_cm_input_minus8, 0, 8);
1121 ue(chroma_bit_depth_cm_input_minus8, 0, 8);
1122 ue(luma_bit_depth_cm_output_minus8, 0, 8);
1123 ue(chroma_bit_depth_cm_output_minus8, 0, 8);
1124
1125 ub(2, cm_res_quant_bits);
1126 ub(2, cm_delta_flc_bits_minus1);
1127
1128 if (current->cm_octant_depth == 1) {
1129 se(cm_adapt_threshold_u_delta, -32768, 32767);
1130 se(cm_adapt_threshold_v_delta, -32768, 32767);
1131 } else {
1132 infer(cm_adapt_threshold_u_delta, 0);
1133 infer(cm_adapt_threshold_v_delta, 0);
1134 }
1135
1136 CHECK(FUNC(colour_mapping_octants)(ctx, rw, current, 0, 0, 0, 0, 1 << current->cm_octant_depth));
1137
1138 return 0;
1139}
1140
1141static int FUNC(pps_multilayer_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1142 H265RawPPS *current)
1143{
1144 CodedBitstreamH265Context *h265 = ctx->priv_data;
1145 const H265RawVPS *vps = h265->active_vps;
1146 int offset;
1147 int err, i;
1148
1149 flag(poc_reset_info_present_flag);
1150 flag(pps_infer_scaling_list_flag);
1151 if (current->pps_infer_scaling_list_flag)
1152 ub(6, pps_scaling_list_ref_layer_id);
1153
1154 if (!vps) {
1155 av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS missing for PPS Multilayer Extension.\n");
1156 return AVERROR_INVALIDDATA;
1157 }
1158
1159 ue(num_ref_loc_offsets, 0, vps->vps_max_layers_minus1);
1160 for (i = 0; i < current->num_ref_loc_offsets; i++) {
1161 ubs(6, ref_loc_offset_layer_id[i], 1, i);
1162 offset = current->ref_loc_offset_layer_id[i];
1163 flags(scaled_ref_layer_offset_present_flag[i], 1, i);
1164 if (current->scaled_ref_layer_offset_present_flag[i]) {
1165 ses(scaled_ref_layer_left_offset[offset], -16384, 16383, 1, offset);
1166 ses(scaled_ref_layer_top_offset[offset], -16384, 16383, 1, offset);
1167 ses(scaled_ref_layer_right_offset[offset], -16384, 16383, 1, offset);
1168 ses(scaled_ref_layer_bottom_offset[offset], -16384, 16383, 1, offset);
1169 } else {
1170 infer(scaled_ref_layer_left_offset[offset], 0);
1171 infer(scaled_ref_layer_top_offset[offset], 0);
1172 infer(scaled_ref_layer_right_offset[offset], 0);
1173 infer(scaled_ref_layer_bottom_offset[offset], 0);
1174 }
1175 flags(ref_region_offset_present_flag[i], 1, i);
1176 if (current->ref_region_offset_present_flag[i]) {
1177 ses(ref_region_left_offset[offset], -16384, 16383, 1, offset);
1178 ses(ref_region_top_offset[offset], -16384, 16383, 1, offset);
1179 ses(ref_region_right_offset[offset], -16384, 16383, 1, offset);
1180 ses(ref_region_bottom_offset[offset], -16384, 16383, 1, offset);
1181 } else {
1182 infer(ref_region_left_offset[offset], 0);
1183 infer(ref_region_top_offset[offset], 0);
1184 infer(ref_region_right_offset[offset], 0);
1185 infer(ref_region_bottom_offset[offset], 0);
1186 }
1187 flags(resample_phase_set_present_flag[i], 1, i);
1188 if (current->resample_phase_set_present_flag[i]) {
1189 ues(phase_hor_luma[offset], 0, 31, 1, offset);
1190 ues(phase_ver_luma[offset], 0, 31, 1, offset);
1191 ues(phase_hor_chroma_plus8[offset], 0, 63, 1, offset);
1192 ues(phase_ver_chroma_plus8[offset], 0, 63, 1, offset);
1193 } else {
1194 infer(phase_hor_luma[offset], 0);
1195 infer(phase_ver_luma[offset], 0);
1196 infer(phase_hor_chroma_plus8[offset], 8);
1197 }
1198 }
1199
1200 flag(colour_mapping_enabled_flag);
1201 if (current->colour_mapping_enabled_flag)
1202 CHECK(FUNC(colour_mapping_table)(ctx, rw, current));
1203
1204 return 0;
1205}
1206
1207static int FUNC(pps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1208 H265RawPPS *current)
1209{
1210 int err, comp, i;
1211
1212 flag(pps_curr_pic_ref_enabled_flag);
1213
1214 flag(residual_adaptive_colour_transform_enabled_flag);
1215 if (current->residual_adaptive_colour_transform_enabled_flag) {
1216 flag(pps_slice_act_qp_offsets_present_flag);
1217 se(pps_act_y_qp_offset_plus5, -7, +17);
1218 se(pps_act_cb_qp_offset_plus5, -7, +17);
1219 se(pps_act_cr_qp_offset_plus3, -9, +15);
1220 } else {
1221 infer(pps_slice_act_qp_offsets_present_flag, 0);
1222 infer(pps_act_y_qp_offset_plus5, 0);
1223 infer(pps_act_cb_qp_offset_plus5, 0);
1224 infer(pps_act_cr_qp_offset_plus3, 0);
1225 }
1226
1227 flag(pps_palette_predictor_initializer_present_flag);
1228 if (current->pps_palette_predictor_initializer_present_flag) {
1229 ue(pps_num_palette_predictor_initializer, 0, 128);
1230 if (current->pps_num_palette_predictor_initializer > 0) {
1231 flag(monochrome_palette_flag);
1232 ue(luma_bit_depth_entry_minus8, 0, 8);
1233 if (!current->monochrome_palette_flag)
1234 ue(chroma_bit_depth_entry_minus8, 0, 8);
1235 for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
1236 int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
1237 : current->chroma_bit_depth_entry_minus8 + 8;
1238 for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
1239 ubs(bit_depth, pps_palette_predictor_initializers[comp][i], 2, comp, i);
1240 }
1241 }
1242 }
1243
1244 return 0;
1245}
1246
1247static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw,
1248 H265RawPPS *current)
1249{
1250 CodedBitstreamH265Context *h265 = ctx->priv_data;
1251 const H265RawSPS *sps;
1252 int err, i;
1253
1254 HEADER("Picture Parameter Set");
1255
1256 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
1257
1258 ue(pps_pic_parameter_set_id, 0, 63);
1259 ue(pps_seq_parameter_set_id, 0, 15);
1260 sps = h265->sps[current->pps_seq_parameter_set_id];
1261 if (!sps) {
1262 av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1263 current->pps_seq_parameter_set_id);
1264 return AVERROR_INVALIDDATA;
1265 }
1266 h265->active_sps = sps;
1267
1268 flag(dependent_slice_segments_enabled_flag);
1269 flag(output_flag_present_flag);
1270 ub(3, num_extra_slice_header_bits);
1271 flag(sign_data_hiding_enabled_flag);
1272 flag(cabac_init_present_flag);
1273
1274 ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1275 ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1276
1277 se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
1278
1279 flag(constrained_intra_pred_flag);
1280 flag(transform_skip_enabled_flag);
1281 flag(cu_qp_delta_enabled_flag);
1282 if (current->cu_qp_delta_enabled_flag)
1283 ue(diff_cu_qp_delta_depth,
1284 0, sps->log2_diff_max_min_luma_coding_block_size);
1285 else
1286 infer(diff_cu_qp_delta_depth, 0);
1287
1288 se(pps_cb_qp_offset, -12, +12);
1289 se(pps_cr_qp_offset, -12, +12);
1290 flag(pps_slice_chroma_qp_offsets_present_flag);
1291
1292 flag(weighted_pred_flag);
1293 flag(weighted_bipred_flag);
1294
1295 flag(transquant_bypass_enabled_flag);
1296 flag(tiles_enabled_flag);
1297 flag(entropy_coding_sync_enabled_flag);
1298
1299 if (current->tiles_enabled_flag) {
1300 ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
1301 ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
1302 flag(uniform_spacing_flag);
1303 if (!current->uniform_spacing_flag) {
1304 for (i = 0; i < current->num_tile_columns_minus1; i++)
1305 ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i);
1306 for (i = 0; i < current->num_tile_rows_minus1; i++)
1307 ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i);
1308 }
1309 flag(loop_filter_across_tiles_enabled_flag);
1310 } else {
1311 infer(num_tile_columns_minus1, 0);
1312 infer(num_tile_rows_minus1, 0);
1313 }
1314
1315 flag(pps_loop_filter_across_slices_enabled_flag);
1316 flag(deblocking_filter_control_present_flag);
1317 if (current->deblocking_filter_control_present_flag) {
1318 flag(deblocking_filter_override_enabled_flag);
1319 flag(pps_deblocking_filter_disabled_flag);
1320 if (!current->pps_deblocking_filter_disabled_flag) {
1321 se(pps_beta_offset_div2, -6, +6);
1322 se(pps_tc_offset_div2, -6, +6);
1323 } else {
1324 infer(pps_beta_offset_div2, 0);
1325 infer(pps_tc_offset_div2, 0);
1326 }
1327 } else {
1328 infer(deblocking_filter_override_enabled_flag, 0);
1329 infer(pps_deblocking_filter_disabled_flag, 0);
1330 infer(pps_beta_offset_div2, 0);
1331 infer(pps_tc_offset_div2, 0);
1332 }
1333
1334 flag(pps_scaling_list_data_present_flag);
1335 if (current->pps_scaling_list_data_present_flag)
1336 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1337
1338 flag(lists_modification_present_flag);
1339
1340 ue(log2_parallel_merge_level_minus2,
1341 0, (sps->log2_min_luma_coding_block_size_minus3 + 3 +
1342 sps->log2_diff_max_min_luma_coding_block_size - 2));
1343
1344 flag(slice_segment_header_extension_present_flag);
1345
1346 flag(pps_extension_present_flag);
1347 if (current->pps_extension_present_flag) {
1348 flag(pps_range_extension_flag);
1349 flag(pps_multilayer_extension_flag);
1350 flag(pps_3d_extension_flag);
1351 flag(pps_scc_extension_flag);
1352 ub(4, pps_extension_4bits);
1353 }
1354 if (current->pps_range_extension_flag)
1355 CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1356 if (current->pps_multilayer_extension_flag)
1357 CHECK(FUNC(pps_multilayer_extension)(ctx, rw, current));
1358 if (current->pps_3d_extension_flag)
1359 return AVERROR_PATCHWELCOME;
1360 if (current->pps_scc_extension_flag)
1361 CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1362 if (current->pps_extension_4bits)
1363 CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1364
1365 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1366
1367 return 0;
1368}
1369
1370static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw,
1371 H265RawAUD *current)
1372{
1373 int err;
1374
1375 HEADER("Access Unit Delimiter");
1376
1377 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1378
1379 u(3, pic_type, 0, 2);
1380
1381 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1382
1383 return 0;
1384}
1385
1386static int FUNC(ref_pic_lists_modification)(CodedBitstreamContext *ctx, RWContext *rw,
1387 H265RawSliceHeader *current,
1388 unsigned int num_pic_total_curr)
1389{
1390 unsigned int entry_size;
1391 int err, i;
1392
1393 entry_size = av_log2(num_pic_total_curr - 1) + 1;
1394
1395 flag(ref_pic_list_modification_flag_l0);
1396 if (current->ref_pic_list_modification_flag_l0) {
1397 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1398 us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1399 }
1400
1401 if (current->slice_type == HEVC_SLICE_B) {
1402 flag(ref_pic_list_modification_flag_l1);
1403 if (current->ref_pic_list_modification_flag_l1) {
1404 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1405 us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1406 }
1407 }
1408
1409 return 0;
1410}
1411
1412static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
1413 H265RawSliceHeader *current)
1414{
1415 CodedBitstreamH265Context *h265 = ctx->priv_data;
1416 const H265RawSPS *sps = h265->active_sps;
1417 int err, i, j;
1418 int chroma = !sps->separate_colour_plane_flag &&
1419 sps->chroma_format_idc != 0;
1420
1421 ue(luma_log2_weight_denom, 0, 7);
1422 if (chroma)
1423 se(delta_chroma_log2_weight_denom, -7, 7);
1424 else
1425 infer(delta_chroma_log2_weight_denom, 0);
1426
1427 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1428 if (1 /* is not same POC and same layer_id */)
1429 flags(luma_weight_l0_flag[i], 1, i);
1430 else
1431 infer(luma_weight_l0_flag[i], 0);
1432 }
1433 if (chroma) {
1434 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1435 if (1 /* is not same POC and same layer_id */)
1436 flags(chroma_weight_l0_flag[i], 1, i);
1437 else
1438 infer(chroma_weight_l0_flag[i], 0);
1439 }
1440 }
1441
1442 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1443 if (current->luma_weight_l0_flag[i]) {
1444 ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1445 ses(luma_offset_l0[i],
1446 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1447 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1448 } else {
1449 infer(delta_luma_weight_l0[i], 0);
1450 infer(luma_offset_l0[i], 0);
1451 }
1452 if (current->chroma_weight_l0_flag[i]) {
1453 for (j = 0; j < 2; j++) {
1454 ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1455 ses(chroma_offset_l0[i][j],
1456 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1457 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1458 }
1459 } else {
1460 for (j = 0; j < 2; j++) {
1461 infer(delta_chroma_weight_l0[i][j], 0);
1462 infer(chroma_offset_l0[i][j], 0);
1463 }
1464 }
1465 }
1466
1467 if (current->slice_type == HEVC_SLICE_B) {
1468 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1469 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1470 flags(luma_weight_l1_flag[i], 1, i);
1471 else
1472 infer(luma_weight_l1_flag[i], 0);
1473 }
1474 if (chroma) {
1475 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1476 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1477 flags(chroma_weight_l1_flag[i], 1, i);
1478 else
1479 infer(chroma_weight_l1_flag[i], 0);
1480 }
1481 }
1482
1483 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1484 if (current->luma_weight_l1_flag[i]) {
1485 ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1486 ses(luma_offset_l1[i],
1487 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1488 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1489 } else {
1490 infer(delta_luma_weight_l1[i], 0);
1491 infer(luma_offset_l1[i], 0);
1492 }
1493 if (current->chroma_weight_l1_flag[i]) {
1494 for (j = 0; j < 2; j++) {
1495 ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1496 ses(chroma_offset_l1[i][j],
1497 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1498 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1499 }
1500 } else {
1501 for (j = 0; j < 2; j++) {
1502 infer(delta_chroma_weight_l1[i][j], 0);
1503 infer(chroma_offset_l1[i][j], 0);
1504 }
1505 }
1506 }
1507 }
1508
1509 return 0;
1510}
1511
1512static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw,
1513 H265RawSliceHeader *current)
1514{
1515 CodedBitstreamH265Context *h265 = ctx->priv_data;
1516 const H265RawSPS *sps;
1517 const H265RawPPS *pps;
1518 unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1519 unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1520 unsigned int num_pic_total_curr = 0;
1521 int err, i;
1522
1523 HEADER("Slice Segment Header");
1524
1525 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1526
1527 flag(first_slice_segment_in_pic_flag);
1528
1529 if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1530 current->nal_unit_header.nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
1531 flag(no_output_of_prior_pics_flag);
1532
1533 ue(slice_pic_parameter_set_id, 0, 63);
1534
1535 pps = h265->pps[current->slice_pic_parameter_set_id];
1536 if (!pps) {
1537 av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1538 current->slice_pic_parameter_set_id);
1539 return AVERROR_INVALIDDATA;
1540 }
1541 h265->active_pps = pps;
1542
1543 sps = h265->sps[pps->pps_seq_parameter_set_id];
1544 if (!sps) {
1545 av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1546 pps->pps_seq_parameter_set_id);
1547 return AVERROR_INVALIDDATA;
1548 }
1549 h265->active_sps = sps;
1550
1551 min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1552 ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1553 ctb_size_y = 1 << ctb_log2_size_y;
1554 pic_width_in_ctbs_y =
1555 (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1556 pic_height_in_ctbs_y =
1557 (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1558 pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1559
1560 if (!current->first_slice_segment_in_pic_flag) {
1561 unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1562 if (pps->dependent_slice_segments_enabled_flag)
1563 flag(dependent_slice_segment_flag);
1564 else
1565 infer(dependent_slice_segment_flag, 0);
1566 u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1567 } else {
1568 infer(dependent_slice_segment_flag, 0);
1569 }
1570
1571 if (!current->dependent_slice_segment_flag) {
1572 for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1573 flags(slice_reserved_flag[i], 1, i);
1574
1575 ue(slice_type, 0, 2);
1576
1577 if (pps->output_flag_present_flag)
1578 flag(pic_output_flag);
1579
1580 if (sps->separate_colour_plane_flag)
1581 u(2, colour_plane_id, 0, 2);
1582
1583 if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1584 current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1585 const H265RawSTRefPicSet *rps;
1586 int dpb_slots_remaining;
1587
1588 ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb);
1589
1590 flag(short_term_ref_pic_set_sps_flag);
1591 if (!current->short_term_ref_pic_set_sps_flag) {
1592 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->short_term_ref_pic_set,
1593 sps->num_short_term_ref_pic_sets, sps));
1594 rps = &current->short_term_ref_pic_set;
1595 } else if (sps->num_short_term_ref_pic_sets > 1) {
1596 unsigned int idx_size = av_log2(sps->num_short_term_ref_pic_sets - 1) + 1;
1597 u(idx_size, short_term_ref_pic_set_idx,
1598 0, sps->num_short_term_ref_pic_sets - 1);
1599 rps = &sps->st_ref_pic_set[current->short_term_ref_pic_set_idx];
1600 } else {
1601 infer(short_term_ref_pic_set_idx, 0);
1602 rps = &sps->st_ref_pic_set[0];
1603 }
1604
1605 dpb_slots_remaining = HEVC_MAX_DPB_SIZE - 1 -
1606 rps->num_negative_pics - rps->num_positive_pics;
1607 if (pps->pps_curr_pic_ref_enabled_flag &&
1608 (sps->sample_adaptive_offset_enabled_flag ||
1609 !pps->pps_deblocking_filter_disabled_flag ||
1610 pps->deblocking_filter_override_enabled_flag)) {
1611 // This picture will occupy two DPB slots.
1612 if (dpb_slots_remaining == 0) {
1613 av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
1614 "short-term ref pic set contains too many pictures "
1615 "to use with current picture reference enabled.\n");
1616 return AVERROR_INVALIDDATA;
1617 }
1618 --dpb_slots_remaining;
1619 }
1620
1621 num_pic_total_curr = 0;
1622 for (i = 0; i < rps->num_negative_pics; i++)
1623 if (rps->used_by_curr_pic_s0_flag[i])
1624 ++num_pic_total_curr;
1625 for (i = 0; i < rps->num_positive_pics; i++)
1626 if (rps->used_by_curr_pic_s1_flag[i])
1627 ++num_pic_total_curr;
1628
1629 if (sps->long_term_ref_pics_present_flag) {
1630 unsigned int idx_size;
1631
1632 if (sps->num_long_term_ref_pics_sps > 0) {
1633 ue(num_long_term_sps, 0, FFMIN(sps->num_long_term_ref_pics_sps,
1634 dpb_slots_remaining));
1635 idx_size = av_log2(sps->num_long_term_ref_pics_sps - 1) + 1;
1636 dpb_slots_remaining -= current->num_long_term_sps;
1637 } else {
1638 infer(num_long_term_sps, 0);
1639 idx_size = 0;
1640 }
1641 ue(num_long_term_pics, 0, dpb_slots_remaining);
1642
1643 for (i = 0; i < current->num_long_term_sps +
1644 current->num_long_term_pics; i++) {
1645 if (i < current->num_long_term_sps) {
1646 if (sps->num_long_term_ref_pics_sps > 1)
1647 us(idx_size, lt_idx_sps[i],
1648 0, sps->num_long_term_ref_pics_sps - 1, 1, i);
1649 if (sps->used_by_curr_pic_lt_sps_flag[current->lt_idx_sps[i]])
1650 ++num_pic_total_curr;
1651 } else {
1652 ubs(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i], 1, i);
1653 flags(used_by_curr_pic_lt_flag[i], 1, i);
1654 if (current->used_by_curr_pic_lt_flag[i])
1655 ++num_pic_total_curr;
1656 }
1657 flags(delta_poc_msb_present_flag[i], 1, i);
1658 if (current->delta_poc_msb_present_flag[i])
1659 ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1660 else
1661 infer(delta_poc_msb_cycle_lt[i], 0);
1662 }
1663 }
1664
1665 if (sps->sps_temporal_mvp_enabled_flag)
1666 flag(slice_temporal_mvp_enabled_flag);
1667 else
1668 infer(slice_temporal_mvp_enabled_flag, 0);
1669
1670 if (pps->pps_curr_pic_ref_enabled_flag)
1671 ++num_pic_total_curr;
1672 }
1673
1674 if (sps->sample_adaptive_offset_enabled_flag) {
1675 flag(slice_sao_luma_flag);
1676 if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1677 flag(slice_sao_chroma_flag);
1678 else
1679 infer(slice_sao_chroma_flag, 0);
1680 } else {
1681 infer(slice_sao_luma_flag, 0);
1682 infer(slice_sao_chroma_flag, 0);
1683 }
1684
1685 if (current->slice_type == HEVC_SLICE_P ||
1686 current->slice_type == HEVC_SLICE_B) {
1687 flag(num_ref_idx_active_override_flag);
1688 if (current->num_ref_idx_active_override_flag) {
1689 ue(num_ref_idx_l0_active_minus1, 0, 14);
1690 if (current->slice_type == HEVC_SLICE_B)
1691 ue(num_ref_idx_l1_active_minus1, 0, 14);
1692 else
1693 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1694 } else {
1695 infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1696 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1697 }
1698
1699 if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1700 CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1701 num_pic_total_curr));
1702
1703 if (current->slice_type == HEVC_SLICE_B)
1704 flag(mvd_l1_zero_flag);
1705 if (pps->cabac_init_present_flag)
1706 flag(cabac_init_flag);
1707 else
1708 infer(cabac_init_flag, 0);
1709 if (current->slice_temporal_mvp_enabled_flag) {
1710 if (current->slice_type == HEVC_SLICE_B)
1711 flag(collocated_from_l0_flag);
1712 else
1713 infer(collocated_from_l0_flag, 1);
1714 if (current->collocated_from_l0_flag) {
1715 if (current->num_ref_idx_l0_active_minus1 > 0)
1716 ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1717 else
1718 infer(collocated_ref_idx, 0);
1719 } else {
1720 if (current->num_ref_idx_l1_active_minus1 > 0)
1721 ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1722 else
1723 infer(collocated_ref_idx, 0);
1724 }
1725 }
1726
1727 if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1728 (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1729 CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1730
1731 ue(five_minus_max_num_merge_cand, 0, 4);
1732 if (sps->motion_vector_resolution_control_idc == 2)
1733 flag(use_integer_mv_flag);
1734 else
1735 infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1736 }
1737
1738 se(slice_qp_delta,
1739 - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1740 + 51 - (pps->init_qp_minus26 + 26));
1741 if (pps->pps_slice_chroma_qp_offsets_present_flag) {
1742 se(slice_cb_qp_offset, -12, +12);
1743 se(slice_cr_qp_offset, -12, +12);
1744 } else {
1745 infer(slice_cb_qp_offset, 0);
1746 infer(slice_cr_qp_offset, 0);
1747 }
1748 if (pps->pps_slice_act_qp_offsets_present_flag) {
1749 se(slice_act_y_qp_offset,
1750 -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1751 +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1752 se(slice_act_cb_qp_offset,
1753 -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1754 +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1755 se(slice_act_cr_qp_offset,
1756 -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1757 +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1758 } else {
1759 infer(slice_act_y_qp_offset, 0);
1760 infer(slice_act_cb_qp_offset, 0);
1761 infer(slice_act_cr_qp_offset, 0);
1762 }
1763 if (pps->chroma_qp_offset_list_enabled_flag)
1764 flag(cu_chroma_qp_offset_enabled_flag);
1765 else
1766 infer(cu_chroma_qp_offset_enabled_flag, 0);
1767
1768 if (pps->deblocking_filter_override_enabled_flag)
1769 flag(deblocking_filter_override_flag);
1770 else
1771 infer(deblocking_filter_override_flag, 0);
1772 if (current->deblocking_filter_override_flag) {
1773 flag(slice_deblocking_filter_disabled_flag);
1774 if (!current->slice_deblocking_filter_disabled_flag) {
1775 se(slice_beta_offset_div2, -6, +6);
1776 se(slice_tc_offset_div2, -6, +6);
1777 } else {
1778 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1779 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1780 }
1781 } else {
1782 infer(slice_deblocking_filter_disabled_flag,
1783 pps->pps_deblocking_filter_disabled_flag);
1784 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1785 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1786 }
1787 if (pps->pps_loop_filter_across_slices_enabled_flag &&
1788 (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1789 !current->slice_deblocking_filter_disabled_flag))
1790 flag(slice_loop_filter_across_slices_enabled_flag);
1791 else
1792 infer(slice_loop_filter_across_slices_enabled_flag,
1793 pps->pps_loop_filter_across_slices_enabled_flag);
1794 }
1795
1796 if (pps->tiles_enabled_flag || pps->entropy_coding_sync_enabled_flag) {
1797 unsigned int num_entry_point_offsets_limit;
1798 if (!pps->tiles_enabled_flag && pps->entropy_coding_sync_enabled_flag)
1799 num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1800 else if (pps->tiles_enabled_flag && !pps->entropy_coding_sync_enabled_flag)
1801 num_entry_point_offsets_limit =
1802 (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1803 else
1804 num_entry_point_offsets_limit =
1805 (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1806 ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1807
1808 if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1809 av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1810 "%"PRIu16".\n", current->num_entry_point_offsets);
1811 return AVERROR_PATCHWELCOME;
1812 }
1813
1814 if (current->num_entry_point_offsets > 0) {
1815 ue(offset_len_minus1, 0, 31);
1816 for (i = 0; i < current->num_entry_point_offsets; i++)
1817 ubs(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], 1, i);
1818 }
1819 }
1820
1821 if (pps->slice_segment_header_extension_present_flag) {
1822 ue(slice_segment_header_extension_length, 0, 256);
1823 for (i = 0; i < current->slice_segment_header_extension_length; i++)
1824 us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i);
1825 }
1826
1827 CHECK(FUNC(byte_alignment)(ctx, rw));
1828
1829 return 0;
1830}
1831
1832SEI_FUNC(sei_buffering_period, (CodedBitstreamContext *ctx, RWContext *rw,
1833 H265RawSEIBufferingPeriod *current,
1834 SEIMessageState *sei))
1835{
1836 CodedBitstreamH265Context *h265 = ctx->priv_data;
1837 const H265RawSPS *sps;
1838 const H265RawHRDParameters *hrd;
1839 int err, i, length;
1840
1841#ifdef READ
1842 int start_pos, end_pos;
1843 start_pos = get_bits_count(rw);
1844#endif
1845
1846 HEADER("Buffering Period");
1847
1848 ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1);
1849
1850 sps = h265->sps[current->bp_seq_parameter_set_id];
1851 if (!sps) {
1852 av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1853 current->bp_seq_parameter_set_id);
1854 return AVERROR_INVALIDDATA;
1855 }
1856 h265->active_sps = sps;
1857
1858 if (!sps->vui_parameters_present_flag ||
1859 !sps->vui.vui_hrd_parameters_present_flag) {
1860 av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1861 "HRD parameters to be present in SPS.\n");
1862 return AVERROR_INVALIDDATA;
1863 }
1864 hrd = &sps->vui.hrd_parameters;
1865 if (!hrd->nal_hrd_parameters_present_flag &&
1866 !hrd->vcl_hrd_parameters_present_flag) {
1867 av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1868 "NAL or VCL HRD parameters to be present.\n");
1869 return AVERROR_INVALIDDATA;
1870 }
1871
1872 if (!hrd->sub_pic_hrd_params_present_flag)
1873 flag(irap_cpb_params_present_flag);
1874 else
1875 infer(irap_cpb_params_present_flag, 0);
1876 if (current->irap_cpb_params_present_flag) {
1877 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1878 ub(length, cpb_delay_offset);
1879 length = hrd->dpb_output_delay_length_minus1 + 1;
1880 ub(length, dpb_delay_offset);
1881 } else {
1882 infer(cpb_delay_offset, 0);
1883 infer(dpb_delay_offset, 0);
1884 }
1885
1886 flag(concatenation_flag);
1887
1888 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1889 ub(length, au_cpb_removal_delay_delta_minus1);
1890
1891 if (hrd->nal_hrd_parameters_present_flag) {
1892 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1893 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1894
1895 ubs(length, nal_initial_cpb_removal_delay[i], 1, i);
1896 ubs(length, nal_initial_cpb_removal_offset[i], 1, i);
1897
1898 if (hrd->sub_pic_hrd_params_present_flag ||
1899 current->irap_cpb_params_present_flag) {
1900 ubs(length, nal_initial_alt_cpb_removal_delay[i], 1, i);
1901 ubs(length, nal_initial_alt_cpb_removal_offset[i], 1, i);
1902 }
1903 }
1904 }
1905 if (hrd->vcl_hrd_parameters_present_flag) {
1906 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1907 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1908
1909 ubs(length, vcl_initial_cpb_removal_delay[i], 1, i);
1910 ubs(length, vcl_initial_cpb_removal_offset[i], 1, i);
1911
1912 if (hrd->sub_pic_hrd_params_present_flag ||
1913 current->irap_cpb_params_present_flag) {
1914 ubs(length, vcl_initial_alt_cpb_removal_delay[i], 1, i);
1915 ubs(length, vcl_initial_alt_cpb_removal_offset[i], 1, i);
1916 }
1917 }
1918 }
1919
1920#ifdef READ
1921 end_pos = get_bits_count(rw);
1922 if (ff_cbs_h2645_payload_extension_present(rw, sei->payload_size,
1923 end_pos - start_pos))
1924 flag(use_alt_cpb_params_flag);
1925 else
1926 infer(use_alt_cpb_params_flag, 0);
1927#else
1928 // If unknown extension data exists, then use_alt_cpb_params_flag is
1929 // coded in the bitstream and must be written even if it's 0.
1930 if (current->use_alt_cpb_params_flag || sei->extension_present) {
1931 flag(use_alt_cpb_params_flag);
1932 // Ensure this bit is not the last in the payload by making the
1933 // more_data_in_payload() check evaluate to true, so it may not
1934 // be mistaken as something else by decoders.
1935 sei->extension_present = 1;
1936 }
1937#endif
1938
1939 return 0;
1940}
1941
1942SEI_FUNC(sei_pic_timing, (CodedBitstreamContext *ctx, RWContext *rw,
1943 H265RawSEIPicTiming *current, SEIMessageState *sei))
1944{
1945 CodedBitstreamH265Context *h265 = ctx->priv_data;
1946 const H265RawSPS *sps;
1947 const H265RawHRDParameters *hrd;
1948 int err, expected_source_scan_type, i, length;
1949
1950 HEADER("Picture Timing");
1951
1952 sps = h265->active_sps;
1953 if (!sps) {
1954 av_log(ctx->log_ctx, AV_LOG_ERROR,
1955 "No active SPS for pic_timing.\n");
1956 return AVERROR_INVALIDDATA;
1957 }
1958
1959 expected_source_scan_type = 2 -
1960 2 * sps->profile_tier_level.general_interlaced_source_flag -
1961 sps->profile_tier_level.general_progressive_source_flag;
1962
1963 if (sps->vui.frame_field_info_present_flag) {
1964 u(4, pic_struct, 0, 12);
1965 u(2, source_scan_type,
1966 expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1967 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1968 flag(duplicate_flag);
1969 } else {
1970 infer(pic_struct, 0);
1971 infer(source_scan_type,
1972 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1973 infer(duplicate_flag, 0);
1974 }
1975
1976 if (sps->vui_parameters_present_flag &&
1977 sps->vui.vui_hrd_parameters_present_flag)
1978 hrd = &sps->vui.hrd_parameters;
1979 else
1980 hrd = NULL;
1981 if (hrd && (hrd->nal_hrd_parameters_present_flag ||
1982 hrd->vcl_hrd_parameters_present_flag)) {
1983 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1984 ub(length, au_cpb_removal_delay_minus1);
1985
1986 length = hrd->dpb_output_delay_length_minus1 + 1;
1987 ub(length, pic_dpb_output_delay);
1988
1989 if (hrd->sub_pic_hrd_params_present_flag) {
1990 length = hrd->dpb_output_delay_du_length_minus1 + 1;
1991 ub(length, pic_dpb_output_du_delay);
1992 }
1993
1994 if (hrd->sub_pic_hrd_params_present_flag &&
1995 hrd->sub_pic_cpb_params_in_pic_timing_sei_flag) {
1996 // Each decoding unit must contain at least one slice segment.
1997 ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS);
1998 flag(du_common_cpb_removal_delay_flag);
1999
2000 length = hrd->du_cpb_removal_delay_increment_length_minus1 + 1;
2001 if (current->du_common_cpb_removal_delay_flag)
2002 ub(length, du_common_cpb_removal_delay_increment_minus1);
2003
2004 for (i = 0; i <= current->num_decoding_units_minus1; i++) {
2005 ues(num_nalus_in_du_minus1[i],
2006 0, HEVC_MAX_SLICE_SEGMENTS, 1, i);
2007 if (!current->du_common_cpb_removal_delay_flag &&
2008 i < current->num_decoding_units_minus1)
2009 ubs(length, du_cpb_removal_delay_increment_minus1[i], 1, i);
2010 }
2011 }
2012 }
2013
2014 return 0;
2015}
2016
2017SEI_FUNC(sei_pan_scan_rect, (CodedBitstreamContext *ctx, RWContext *rw,
2018 H265RawSEIPanScanRect *current,
2019 SEIMessageState *sei))
2020{
2021 int err, i;
2022
2023 HEADER("Pan-Scan Rectangle");
2024
2025 ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
2026 flag(pan_scan_rect_cancel_flag);
2027
2028 if (!current->pan_scan_rect_cancel_flag) {
2029 ue(pan_scan_cnt_minus1, 0, 2);
2030
2031 for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
2032 ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2033 ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2034 ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2035 ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2036 }
2037
2038 flag(pan_scan_rect_persistence_flag);
2039 }
2040
2041 return 0;
2042}
2043
2044SEI_FUNC(sei_recovery_point, (CodedBitstreamContext *ctx, RWContext *rw,
2045 H265RawSEIRecoveryPoint *current,
2046 SEIMessageState *sei))
2047{
2048 int err;
2049
2050 HEADER("Recovery Point");
2051
2052 se(recovery_poc_cnt, -32768, 32767);
2053
2054 flag(exact_match_flag);
2055 flag(broken_link_flag);
2056
2057 return 0;
2058}
2059
2060SEI_FUNC(film_grain_characteristics, (CodedBitstreamContext *ctx, RWContext *rw,
2061 H265RawFilmGrainCharacteristics *current,
2062 SEIMessageState *state))
2063{
2064 CodedBitstreamH265Context *h265 = ctx->priv_data;
2065 const H265RawSPS *sps = h265->active_sps;
2066 int err, c, i, j;
2067
2068 HEADER("Film Grain Characteristics");
2069
2070 flag(film_grain_characteristics_cancel_flag);
2071 if (!current->film_grain_characteristics_cancel_flag) {
2072 int filmGrainBitDepth[3];
2073
2074 u(2, film_grain_model_id, 0, 1);
2075 flag(separate_colour_description_present_flag);
2076 if (current->separate_colour_description_present_flag) {
2077 ub(3, film_grain_bit_depth_luma_minus8);
2078 ub(3, film_grain_bit_depth_chroma_minus8);
2079 flag(film_grain_full_range_flag);
2080 ub(8, film_grain_colour_primaries);
2081 ub(8, film_grain_transfer_characteristics);
2082 ub(8, film_grain_matrix_coeffs);
2083 } else {
2084 if (!sps) {
2085 av_log(ctx->log_ctx, AV_LOG_ERROR,
2086 "No active SPS for film_grain_characteristics.\n");
2087 return AVERROR_INVALIDDATA;
2088 }
2089 infer(film_grain_bit_depth_luma_minus8, sps->bit_depth_luma_minus8);
2090 infer(film_grain_bit_depth_chroma_minus8, sps->bit_depth_chroma_minus8);
2091 infer(film_grain_full_range_flag, sps->vui.video_full_range_flag);
2092 infer(film_grain_colour_primaries, sps->vui.colour_primaries);
2093 infer(film_grain_transfer_characteristics, sps->vui.transfer_characteristics);
2094 infer(film_grain_matrix_coeffs, sps->vui.matrix_coefficients);
2095 }
2096
2097 filmGrainBitDepth[0] = current->film_grain_bit_depth_luma_minus8 + 8;
2098 filmGrainBitDepth[1] =
2099 filmGrainBitDepth[2] = current->film_grain_bit_depth_chroma_minus8 + 8;
2100
2101 u(2, blending_mode_id, 0, 1);
2102 ub(4, log2_scale_factor);
2103 for (c = 0; c < 3; c++)
2104 flags(comp_model_present_flag[c], 1, c);
2105 for (c = 0; c < 3; c++) {
2106 if (current->comp_model_present_flag[c]) {
2107 ubs(8, num_intensity_intervals_minus1[c], 1, c);
2108 us(3, num_model_values_minus1[c], 0, 5, 1, c);
2109 for (i = 0; i <= current->num_intensity_intervals_minus1[c]; i++) {
2110 ubs(8, intensity_interval_lower_bound[c][i], 2, c, i);
2111 ubs(8, intensity_interval_upper_bound[c][i], 2, c, i);
2112 for (j = 0; j <= current->num_model_values_minus1[c]; j++)
2113 ses(comp_model_value[c][i][j], 0 - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
2114 ((1 << filmGrainBitDepth[c]) - 1) - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
2115 3, c, i, j);
2116 }
2117 }
2118 }
2119 flag(film_grain_characteristics_persistence_flag);
2120 }
2121
2122 return 0;
2123}
2124
2125SEI_FUNC(sei_display_orientation, (CodedBitstreamContext *ctx, RWContext *rw,
2126 H265RawSEIDisplayOrientation *current,
2127 SEIMessageState *sei))
2128{
2129 int err;
2130
2131 HEADER("Display Orientation");
2132
2133 flag(display_orientation_cancel_flag);
2134 if (!current->display_orientation_cancel_flag) {
2135 flag(hor_flip);
2136 flag(ver_flip);
2137 ub(16, anticlockwise_rotation);
2138 flag(display_orientation_persistence_flag);
2139 }
2140
2141 return 0;
2142}
2143
2144SEI_FUNC(sei_active_parameter_sets, (CodedBitstreamContext *ctx, RWContext *rw,
2145 H265RawSEIActiveParameterSets *current,
2146 SEIMessageState *sei))
2147{
2148 CodedBitstreamH265Context *h265 = ctx->priv_data;
2149 const H265RawVPS *vps;
2150 int err, i;
2151
2152 HEADER("Active Parameter Sets");
2153
2154 u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT);
2155 vps = h265->vps[current->active_video_parameter_set_id];
2156 if (!vps) {
2157 av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active "
2158 "parameter sets.\n", current->active_video_parameter_set_id);
2159 return AVERROR_INVALIDDATA;
2160 }
2161 h265->active_vps = vps;
2162
2163 flag(self_contained_cvs_flag);
2164 flag(no_parameter_set_update_flag);
2165
2166 ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1);
2167 for (i = 0; i <= current->num_sps_ids_minus1; i++)
2168 ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i);
2169
2170 for (i = vps->vps_base_layer_internal_flag;
2171 i <= FFMIN(62, vps->vps_max_layers_minus1); i++) {
2172 ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
2173
2174 if (i == 0)
2175 h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
2176 }
2177
2178 return 0;
2179}
2180
2181SEI_FUNC(sei_decoded_picture_hash, (CodedBitstreamContext *ctx, RWContext *rw,
2182 H265RawSEIDecodedPictureHash *current,
2183 SEIMessageState *sei))
2184{
2185 CodedBitstreamH265Context *h265 = ctx->priv_data;
2186 const H265RawSPS *sps = h265->active_sps;
2187 int err, c, i;
2188
2189 HEADER("Decoded Picture Hash");
2190
2191 if (!sps) {
2192 av_log(ctx->log_ctx, AV_LOG_ERROR,
2193 "No active SPS for decoded picture hash.\n");
2194 return AVERROR_INVALIDDATA;
2195 }
2196
2197 u(8, hash_type, 0, 2);
2198
2199 for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) {
2200 if (current->hash_type == 0) {
2201 for (i = 0; i < 16; i++)
2202 us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
2203 } else if (current->hash_type == 1) {
2204 us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
2205 } else if (current->hash_type == 2) {
2206 us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
2207 }
2208 }
2209
2210 return 0;
2211}
2212
2213SEI_FUNC(sei_time_code, (CodedBitstreamContext *ctx, RWContext *rw,
2214 H265RawSEITimeCode *current, SEIMessageState *sei))
2215{
2216 int err, i;
2217
2218 HEADER("Time Code");
2219
2220 u(2, num_clock_ts, 1, 3);
2221
2222 for (i = 0; i < current->num_clock_ts; i++) {
2223 flags(clock_timestamp_flag[i], 1, i);
2224
2225 if (current->clock_timestamp_flag[i]) {
2226 flags(units_field_based_flag[i], 1, i);
2227 us(5, counting_type[i], 0, 6, 1, i);
2228 flags(full_timestamp_flag[i], 1, i);
2229 flags(discontinuity_flag[i], 1, i);
2230 flags(cnt_dropped_flag[i], 1, i);
2231
2232 ubs(9, n_frames[i], 1, i);
2233
2234 if (current->full_timestamp_flag[i]) {
2235 us(6, seconds_value[i], 0, 59, 1, i);
2236 us(6, minutes_value[i], 0, 59, 1, i);
2237 us(5, hours_value[i], 0, 23, 1, i);
2238 } else {
2239 flags(seconds_flag[i], 1, i);
2240 if (current->seconds_flag[i]) {
2241 us(6, seconds_value[i], 0, 59, 1, i);
2242 flags(minutes_flag[i], 1, i);
2243 if (current->minutes_flag[i]) {
2244 us(6, minutes_value[i], 0, 59, 1, i);
2245 flags(hours_flag[i], 1, i);
2246 if (current->hours_flag[i])
2247 us(5, hours_value[i], 0, 23, 1, i);
2248 }
2249 }
2250 }
2251
2252 ubs(5, time_offset_length[i], 1, i);
2253 if (current->time_offset_length[i] > 0)
2254 ibs(current->time_offset_length[i], time_offset_value[i], 1, i);
2255 else
2256 infer(time_offset_value[i], 0);
2257 }
2258 }
2259
2260 return 0;
2261}
2262
2263SEI_FUNC(sei_alpha_channel_info, (CodedBitstreamContext *ctx, RWContext *rw,
2264 H265RawSEIAlphaChannelInfo *current,
2265 SEIMessageState *sei))
2266{
2267 int err, length;
2268
2269 HEADER("Alpha Channel Information");
2270
2271 flag(alpha_channel_cancel_flag);
2272 if (!current->alpha_channel_cancel_flag) {
2273 ub(3, alpha_channel_use_idc);
2274 ub(3, alpha_channel_bit_depth_minus8);
2275 length = current->alpha_channel_bit_depth_minus8 + 9;
2276 ub(length, alpha_transparent_value);
2277 ub(length, alpha_opaque_value);
2278 flag(alpha_channel_incr_flag);
2279 flag(alpha_channel_clip_flag);
2280 if (current->alpha_channel_clip_flag)
2281 flag(alpha_channel_clip_type_flag);
2282 } else {
2283 infer(alpha_channel_use_idc, 2);
2284 infer(alpha_channel_incr_flag, 0);
2285 infer(alpha_channel_clip_flag, 0);
2286 }
2287
2288 return 0;
2289}
2290
2291SEI_FUNC(sei_3d_reference_displays_info, (CodedBitstreamContext *ctx, RWContext *rw,
2292 H265RawSEI3DReferenceDisplaysInfo *current,
2293 SEIMessageState *sei))
2294{
2295 int length;
2296 int err, i;
2297
2298 HEADER("Three Dimensional Reference Displays Information");
2299
2300 ue(prec_ref_display_width, 0, 31);
2301 flag(ref_viewing_distance_flag);
2302 if (current->ref_viewing_distance_flag)
2303 ue(prec_ref_viewing_dist, 0, 31);
2304 ue(num_ref_displays_minus1, 0, 31);
2305 for (i = 0; i <= current->num_ref_displays_minus1; i++) {
2306 ues(left_view_id[i], 0, MAX_UINT_BITS(15), 1, i);
2307 ues(right_view_id[i], 0, MAX_UINT_BITS(15), 1, i);
2308 us(6, exponent_ref_display_width[i], 0, 62, 1, i);
2309 if (!current->exponent_ref_display_width[i])
2310 length = FFMAX(0, (int)current->prec_ref_display_width - 30);
2311 else
2312 length = FFMAX(0, (int)current->exponent_ref_display_width[i] +
2313 (int)current->prec_ref_display_width - 31);
2314
2315 if (length > 32) {
2316 av_log(ctx->log_ctx, AV_LOG_ERROR, "refDispWidthBits > 32 is not supported\n");
2317 return AVERROR_PATCHWELCOME;
2318 }
2319
2320 if (length)
2321 ubs(length, mantissa_ref_display_width[i], 1, i);
2322 else
2323 infer(mantissa_ref_display_width[i], 0);
2324 if (current->ref_viewing_distance_flag) {
2325 us(6, exponent_ref_viewing_distance[i], 0, 62, 1, i);
2326 if (!current->exponent_ref_viewing_distance[i])
2327 length = FFMAX(0, (int)current->prec_ref_viewing_dist - 30);
2328 else
2329 length = FFMAX(0, (int)current->exponent_ref_viewing_distance[i] +
2330 (int)current->prec_ref_viewing_dist - 31);
2331
2332 if (length > 32) {
2333 av_log(ctx->log_ctx, AV_LOG_ERROR, "refViewDistBits > 32 is not supported\n");
2334 return AVERROR_PATCHWELCOME;
2335 }
2336
2337 if (length)
2338 ubs(length, mantissa_ref_viewing_distance[i], 1, i);
2339 else
2340 infer(mantissa_ref_viewing_distance[i], 0);
2341 }
2342 flags(additional_shift_present_flag[i], 1, i);
2343 if (current->additional_shift_present_flag[i])
2344 us(10, num_sample_shift_plus512[i], 0, 1023, 1, i);
2345 }
2346 flag(three_dimensional_reference_displays_extension_flag);
2347
2348 return 0;
2349}
2350
2351static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw,
2352 H265RawSEI *current, int prefix)
2353{
2354 int err;
2355
2356 if (prefix)
2357 HEADER("Prefix Supplemental Enhancement Information");
2358 else
2359 HEADER("Suffix Supplemental Enhancement Information");
2360
2361 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2362 prefix ? HEVC_NAL_SEI_PREFIX
2363 : HEVC_NAL_SEI_SUFFIX));
2364
2365 CHECK(FUNC_SEI(message_list)(ctx, rw, &current->message_list, prefix));
2366
2367 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
2368
2369 return 0;
2370}
2371
2372
2373static int FUNC(filler)(CodedBitstreamContext *ctx, RWContext *rw,
2374 H265RawFiller *current)
2375{
2376 int err;
2377
2378 HEADER("Filler Data");
2379
2380 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2381 HEVC_NAL_FD_NUT));
2382
2383#ifdef READ
2384 while (show_bits(rw, 8) == 0xff) {
2385 fixed(8, ff_byte, 0xff);
2386 ++current->filler_size;
2387 }
2388#else
2389 {
2390 uint32_t i;
2391 for (i = 0; i < current->filler_size; i++)
2392 fixed(8, ff_byte, 0xff);
2393 }
2394#endif
2395
2396 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
2397
2398 return 0;
2399}
bit_depth
static void bit_depth(AudioStatsContext *s, const uint64_t *const mask, uint8_t *depth)
Definition af_astats.c:246
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition avassert.h:42
FUNC
#define FUNC(a)
Definition bit_depth_template.c:104
ff_cbs_h2645_payload_extension_present
int ff_cbs_h2645_payload_extension_present(GetBitContext *gbc, uint32_t payload_size, int cur_pos)
payload_extension_present() - true if we are before the last 1-bit in the payload structure,...
Definition cbs_h2645.c:33
ff_cbs_h2645_read_more_rbsp_data
int ff_cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
Definition cbs_h2645.c:217
allocate
#define allocate(name, size)
Definition cbs_h264.c:140
flag
#define flag(name)
Definition cbs_h264.c:60
ue
#define ue(name, range_min, range_max)
Definition cbs_h264.c:61
ub
#define ub(width, name)
Definition cbs_h264.c:95
flags
#define flags(name, subs,...)
Definition cbs_h264.c:74
infer
#define infer(name, value)
Definition cbs_h264.c:131
byte_alignment
#define byte_alignment(rw)
Definition cbs_h264.c:138
ues
#define ues(name, range_min, range_max, subs,...)
Definition cbs_h264.c:76
SEI_FUNC
#define SEI_FUNC(name, args)
Definition cbs_h264.c:46
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
FUNC_SEI
#define FUNC_SEI(name)
Definition cbs_h264.c:44
ibs
#define ibs(width, name, subs,...)
Definition cbs_h264.c:80
RWContext
#define RWContext
Definition cbs_h264.c:93
ses
#define ses(name, range_min, range_max, subs,...)
Definition cbs_h264.c:82
xu
#define xu(width, name, var, range_min, range_max, subs,...)
Definition cbs_h264.c:101
se
#define se(name, range_min, range_max)
Definition cbs_h264.c:67
sei
static int FUNC sei(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEI *current)
Definition cbs_h264_syntax_template.c:858
vui_parameters
static int FUNC vui_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
Definition cbs_h264_syntax_template.c:111
rbsp_trailing_bits
static int FUNC rbsp_trailing_bits(CodedBitstreamContext *ctx, RWContext *rw)
Definition cbs_h264_syntax_template.c:19
aud
static int FUNC aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
Definition cbs_h264_syntax_template.c:875
hrd_parameters
static int FUNC hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H264RawHRD *current)
Definition cbs_h264_syntax_template.c:88
nal_unit_header
static int FUNC nal_unit_header(CodedBitstreamContext *ctx, RWContext *rw, H264RawNALUnitHeader *current, uint32_t valid_type_mask)
Definition cbs_h264_syntax_template.c:30
pred_weight_table
static int FUNC pred_weight_table(CodedBitstreamContext *ctx, RWContext *rw, H264RawSliceHeader *current)
Definition cbs_h264_syntax_template.c:951
sps
static int FUNC sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
Definition cbs_h264_syntax_template.c:260
vui_parameters_default
static int FUNC vui_parameters_default(CodedBitstreamContext *ctx, RWContext *rw, H264RawVUI *current, H264RawSPS *sps)
Definition cbs_h264_syntax_template.c:220
pps_scc_extension
static int FUNC pps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
Definition cbs_h265_syntax_template.c:1207
vps
static int FUNC vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
Definition cbs_h265_syntax_template.c:423
sps_multilayer_extension
static int FUNC sps_multilayer_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
Definition cbs_h265_syntax_template.c:754
sps_scc_extension
static int FUNC sps_scc_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
Definition cbs_h265_syntax_template.c:724
st_ref_pic_set
static int FUNC st_ref_pic_set(CodedBitstreamContext *ctx, RWContext *rw, H265RawSTRefPicSet *current, int st_rps_idx, const H265RawSPS *sps)
Definition cbs_h265_syntax_template.c:520
profile_tier_level
static int FUNC profile_tier_level(CodedBitstreamContext *ctx, RWContext *rw, H265RawProfileTierLevel *current, int profile_present_flag, int max_num_sub_layers_minus1)
Definition cbs_h265_syntax_template.c:88
extension_data
static int FUNC extension_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawExtensionData *current)
Definition cbs_h265_syntax_template.c:61
pps_multilayer_extension
static int FUNC pps_multilayer_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
Definition cbs_h265_syntax_template.c:1141
colour_mapping_octants
static int FUNC colour_mapping_octants(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current, unsigned int inp_depth, unsigned int idx_y, unsigned int idx_cb, unsigned int idx_cr, unsigned int inp_length)
Definition cbs_h265_syntax_template.c:1046
scaling_list_data
static int FUNC scaling_list_data(CodedBitstreamContext *ctx, RWContext *rw, H265RawScalingList *current)
Definition cbs_h265_syntax_template.c:675
profile_compatible
#define profile_compatible(x)
sub_layer_hrd_parameters
static int FUNC sub_layer_hrd_parameters(CodedBitstreamContext *ctx, RWContext *rw, H265RawHRDParameters *hrd, int nal, int sub_layer_id)
Definition cbs_h265_syntax_template.c:232
ref_pic_lists_modification
static int FUNC ref_pic_lists_modification(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current, unsigned int num_pic_total_curr)
Definition cbs_h265_syntax_template.c:1386
colour_mapping_table
static int FUNC colour_mapping_table(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
Definition cbs_h265_syntax_template.c:1108
sps_range_extension
static int FUNC sps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawSPS *current)
Definition cbs_h265_syntax_template.c:706
slice_segment_header
static int FUNC slice_segment_header(CodedBitstreamContext *ctx, RWContext *rw, H265RawSliceHeader *current)
Definition cbs_h265_syntax_template.c:1512
pps_range_extension
static int FUNC pps_range_extension(CodedBitstreamContext *ctx, RWContext *rw, H265RawPPS *current)
Definition cbs_h265_syntax_template.c:1018
MAX_UINT_BITS
#define MAX_UINT_BITS(length)
Definition cbs_internal.h:238
nal
static int FUNC nal(CodedBitstreamContext *ctx, RWContext *rw, LCEVCRawNAL *current, int nal_unit_type)
Definition cbs_lcevc_syntax_template.c:660
bit
#define bit(string, value)
Definition cbs_mpeg2.c:56
message_list
int FUNC message_list(CodedBitstreamContext *ctx, RWContext *rw, SEIRawMessageList *current, int prefix)
Definition cbs_sei_syntax_template.c:425
NULL
#define NULL
Definition coverity.c:32
pps
uint64_t pps
Definition dovi_rpuenc.c:36
comp
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
Definition eamad.c:79
state
static struct @346255127015250356166251341105367306144006377143 state
current
static struct @111144215057303131116103221376075045141373005341 current
skip_bits
static void skip_bits(GetBitContext *s, int n)
Definition get_bits.h:383
get_bits_count
static int get_bits_count(const GetBitContext *s)
Definition get_bits.h:254
show_bits
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
Definition get_bits.h:373
AVERROR_PATCHWELCOME
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition error.h:64
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition error.h:61
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition log.h:210
filler
int(* filler)(InterplayACMContext *s, unsigned ind, unsigned col)
Definition interplayacm.c:421
av_log2
#define av_log2
Definition intmath.h:84
offset
unsigned offset
Definition libaomenc.c:763
fixed
#define fixed(width, name, value)
Definition cbs_apv.c:75
u
#define u(width, name, range_min, range_max)
Definition cbs_apv.c:68
us
#define us(width, name, range_min, range_max, subs,...)
Definition cbs_apv.c:70
ubs
#define ubs(width, name, subs,...)
Definition cbs_apv.c:72
CHECK
#define CHECK(call)
Definition cbs_apv.c:59
HEADER
#define HEADER(name)
Definition cbs_apv.c:55
HEVC_NAL_RSV_IRAP_VCL23
@ HEVC_NAL_RSV_IRAP_VCL23
Definition hevc.h:52
HEVC_NAL_BLA_W_LP
@ HEVC_NAL_BLA_W_LP
Definition hevc.h:45
HEVC_NAL_AUD
@ HEVC_NAL_AUD
Definition hevc.h:64
HEVC_NAL_IDR_W_RADL
@ HEVC_NAL_IDR_W_RADL
Definition hevc.h:48
HEVC_NAL_IDR_N_LP
@ HEVC_NAL_IDR_N_LP
Definition hevc.h:49
HEVC_NAL_SEI_SUFFIX
@ HEVC_NAL_SEI_SUFFIX
Definition hevc.h:69
HEVC_NAL_SEI_PREFIX
@ HEVC_NAL_SEI_PREFIX
Definition hevc.h:68
HEVC_NAL_PPS
@ HEVC_NAL_PPS
Definition hevc.h:63
HEVC_NAL_VPS
@ HEVC_NAL_VPS
Definition hevc.h:61
HEVC_NAL_FD_NUT
@ HEVC_NAL_FD_NUT
Definition hevc.h:67
HEVC_NAL_SPS
@ HEVC_NAL_SPS
Definition hevc.h:62
HEVC_SLICE_P
@ HEVC_SLICE_P
Definition hevc.h:97
HEVC_SLICE_B
@ HEVC_SLICE_B
Definition hevc.h:96
HEVC_MAX_ENTRY_POINT_OFFSETS
@ HEVC_MAX_ENTRY_POINT_OFFSETS
Definition hevc.h:159
HEVC_MAX_LONG_TERM_REF_PICS
@ HEVC_MAX_LONG_TERM_REF_PICS
Definition hevc.h:127
HEVC_MAX_WIDTH
@ HEVC_MAX_WIDTH
Definition hevc.h:141
HEVC_MAX_SPS_COUNT
@ HEVC_MAX_SPS_COUNT
Definition hevc.h:115
HEVC_MAX_SLICE_SEGMENTS
@ HEVC_MAX_SLICE_SEGMENTS
Definition hevc.h:150
HEVC_MAX_TILE_ROWS
@ HEVC_MAX_TILE_ROWS
Definition hevc.h:145
HEVC_MAX_REFS
@ HEVC_MAX_REFS
Definition hevc.h:122
HEVC_MAX_TILE_COLUMNS
@ HEVC_MAX_TILE_COLUMNS
Definition hevc.h:147
HEVC_MAX_HEIGHT
@ HEVC_MAX_HEIGHT
Definition hevc.h:142
HEVC_MAX_LAYER_SETS
@ HEVC_MAX_LAYER_SETS
Definition hevc.h:107
HEVC_MAX_SUB_LAYERS
@ HEVC_MAX_SUB_LAYERS
Definition hevc.h:105
HEVC_MAX_VPS_COUNT
@ HEVC_MAX_VPS_COUNT
Definition hevc.h:113
HEVC_MAX_LAYERS
@ HEVC_MAX_LAYERS
Definition hevc.h:103
HEVC_MAX_SHORT_TERM_REF_PIC_SETS
@ HEVC_MAX_SHORT_TERM_REF_PIC_SETS
Definition hevc.h:125
HEVC_MAX_DPB_SIZE
@ HEVC_MAX_DPB_SIZE
Definition hevc.h:120
transfer_characteristics
static const struct TransferCharacteristics transfer_characteristics[]
Definition vf_colorspace.c:178
FFMIN
#define FFMIN(a, b)
Definition macros.h:49
FFMAX
#define FFMAX(a, b)
Definition macros.h:47
CodedBitstreamContext
Context structure for coded bitstream operations.
Definition cbs.h:226
CodedBitstreamH265Context::active_vps
const H265RawVPS * active_vps
Definition cbs_h265.h:764
CodedBitstreamH265Context::active_sps
const H265RawSPS * active_sps
Definition cbs_h265.h:765
CodedBitstreamH265Context::vps
H265RawVPS * vps[HEVC_MAX_VPS_COUNT]
RefStruct references.
Definition cbs_h265.h:757
CodedBitstreamH265Context::sps
H265RawSPS * sps[HEVC_MAX_SPS_COUNT]
RefStruct references.
Definition cbs_h265.h:758
CodedBitstreamH265Context::active_pps
const H265RawPPS * active_pps
Definition cbs_h265.h:766
CodedBitstreamH265Context::pps
H265RawPPS * pps[HEVC_MAX_PPS_COUNT]
RefStruct references.
Definition cbs_h265.h:759
H265RawHRDParameters::dpb_output_delay_length_minus1
uint8_t dpb_output_delay_length_minus1
Definition cbs_h265.h:117
H265RawHRDParameters::sub_pic_cpb_params_in_pic_timing_sei_flag
uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag
Definition cbs_h265.h:108
H265RawHRDParameters::initial_cpb_removal_delay_length_minus1
uint8_t initial_cpb_removal_delay_length_minus1
Definition cbs_h265.h:115
H265RawHRDParameters::cpb_cnt_minus1
uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS]
Definition cbs_h265.h:123
H265RawHRDParameters::du_cpb_removal_delay_increment_length_minus1
uint8_t du_cpb_removal_delay_increment_length_minus1
Definition cbs_h265.h:107
H265RawHRDParameters::nal_hrd_parameters_present_flag
uint8_t nal_hrd_parameters_present_flag
Definition cbs_h265.h:102
H265RawHRDParameters::vcl_hrd_parameters_present_flag
uint8_t vcl_hrd_parameters_present_flag
Definition cbs_h265.h:103
H265RawHRDParameters::au_cpb_removal_delay_length_minus1
uint8_t au_cpb_removal_delay_length_minus1
Definition cbs_h265.h:116
H265RawHRDParameters::sub_pic_hrd_params_present_flag
uint8_t sub_pic_hrd_params_present_flag
Definition cbs_h265.h:105
H265RawHRDParameters::dpb_output_delay_du_length_minus1
uint8_t dpb_output_delay_du_length_minus1
Definition cbs_h265.h:109
H265RawSTRefPicSet::num_positive_pics
uint8_t num_positive_pics
Definition cbs_h265.h:232
H265RawSTRefPicSet::num_negative_pics
uint8_t num_negative_pics
Definition cbs_h265.h:231
H265RawSTRefPicSet::used_by_curr_pic_s0_flag
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS]
Definition cbs_h265.h:234
H265RawSTRefPicSet::used_by_curr_pic_s1_flag
uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS]
Definition cbs_h265.h:236
av_log
#define av_log(a,...)
Definition tableprint_vlc.h:27
ref
static int ref[MAX_W *MAX_W]
Definition jpeg2000dwt.c:117
ctx
static AVFormatContext * ctx
Definition movenc.c:49
prefix
char prefix[8]
Definition uops_macros_gen.c:50
chroma
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:1639
c
static double c[64]
Definition vsrc_mptestsrc.c:89
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