FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h2645_sei.c
Date: 2025-05-10 03:40:25
Exec Total Coverage
Lines: 271 520 52.1%
Functions: 16 21 76.2%
Branches: 122 299 40.8%
Line Branch Exec Source
1 /*
2 * Common H.264 and HEVC Supplementary Enhancement Information messages
3 *
4 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * Copyright (C) 2012 - 2013 Guillaume Martres
6 * Copyright (C) 2012 - 2013 Gildas Cocherel
7 * Copyright (C) 2013 Vittorio Giovara
8 *
9 * This file is part of FFmpeg.
10 *
11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * FFmpeg is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 #include "config_components.h"
27
28 #include "libavutil/ambient_viewing_environment.h"
29 #include "libavutil/buffer.h"
30 #include "libavutil/display.h"
31 #include "libavutil/hdr_dynamic_metadata.h"
32 #include "libavutil/film_grain_params.h"
33 #include "libavutil/mastering_display_metadata.h"
34 #include "libavutil/mem.h"
35 #include "libavutil/refstruct.h"
36 #include "libavutil/stereo3d.h"
37
38 #include "atsc_a53.h"
39 #include "avcodec.h"
40 #include "decode.h"
41 #include "dynamic_hdr_vivid.h"
42 #include "get_bits.h"
43 #include "golomb.h"
44 #include "h2645_sei.h"
45 #include "itut35.h"
46
47 #define IS_H264(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_H264 : CONFIG_H264_SEI)
48 #define IS_HEVC(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_HEVC : CONFIG_HEVC_SEI)
49
50 #if CONFIG_HEVC_SEI
51 11 static int decode_registered_user_data_dynamic_hdr_plus(HEVCSEIDynamicHDRPlus *s,
52 GetByteContext *gb)
53 {
54 size_t meta_size;
55 int err;
56 11 AVDynamicHDRPlus *metadata = av_dynamic_hdr_plus_alloc(&meta_size);
57
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 11 if (!metadata)
58 ✗ return AVERROR(ENOMEM);
59
60 11 err = av_dynamic_hdr_plus_from_t35(metadata, gb->buffer,
61 11 bytestream2_get_bytes_left(gb));
62
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 11 if (err < 0) {
63 ✗ av_free(metadata);
64 ✗ return err;
65 }
66
67 11 av_buffer_unref(&s->info);
68 11 s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
69
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 11 if (!s->info) {
70 ✗ av_free(metadata);
71 ✗ return AVERROR(ENOMEM);
72 }
73
74 11 return 0;
75 }
76
77 3 static int decode_registered_user_data_dynamic_hdr_vivid(HEVCSEIDynamicHDRVivid *s,
78 GetByteContext *gb)
79 {
80 size_t meta_size;
81 int err;
82 3 AVDynamicHDRVivid *metadata = av_dynamic_hdr_vivid_alloc(&meta_size);
83
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 3 if (!metadata)
84 ✗ return AVERROR(ENOMEM);
85
86 3 err = ff_parse_itu_t_t35_to_dynamic_hdr_vivid(metadata,
87 gb->buffer, bytestream2_get_bytes_left(gb));
88
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 3 if (err < 0) {
89 ✗ av_free(metadata);
90 ✗ return err;
91 }
92
93 3 av_buffer_unref(&s->info);
94 3 s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
95
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 3 if (!s->info) {
96 ✗ av_free(metadata);
97 ✗ return AVERROR(ENOMEM);
98 }
99
100 3 return 0;
101 }
102 #endif
103
104 ✗ static int decode_registered_user_data_lcevc(HEVCSEILCEVC *s,
105 GetByteContext *gb)
106 {
107 ✗ int size = bytestream2_get_bytes_left(gb);
108
109 ✗ av_buffer_unref(&s->info);
110 ✗ s->info = av_buffer_alloc(size);
111 ✗ if (!s->info)
112 ✗ return AVERROR(ENOMEM);
113
114 ✗ bytestream2_get_bufferu(gb, s->info->data, size);
115 ✗ return 0;
116 }
117
118 1169 static int decode_registered_user_data_afd(H2645SEIAFD *h, GetByteContext *gb)
119 {
120 int flag;
121
122
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 1169 if (bytestream2_get_bytes_left(gb) <= 0)
123 ✗ return AVERROR_INVALIDDATA;
124
125 1169 flag = !!(bytestream2_get_byteu(gb) & 0x40); // active_format_flag
126
127
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 1169 if (flag) {
128
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 1169 if (bytestream2_get_bytes_left(gb) <= 0)
129 ✗ return AVERROR_INVALIDDATA;
130 1169 h->active_format_description = bytestream2_get_byteu(gb) & 0xF;
131 1169 h->present = 1;
132 }
133
134 1169 return 0;
135 }
136
137 6 static int decode_registered_user_data_closed_caption(H2645SEIA53Caption *h,
138 GetByteContext *gb)
139 {
140 6 return ff_parse_a53_cc(&h->buf_ref, gb->buffer,
141 bytestream2_get_bytes_left(gb));
142 }
143
144 1189 static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
145 enum AVCodecID codec_id, void *logctx)
146 {
147 int country_code, provider_code;
148
149
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 1189 if (bytestream2_get_bytes_left(gb) < 3)
150 ✗ return AVERROR_INVALIDDATA;
151
152 1189 country_code = bytestream2_get_byteu(gb); // itu_t_t35_country_code
153
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 1189 if (country_code == 0xFF) {
154 ✗ if (bytestream2_get_bytes_left(gb) < 3)
155 ✗ return AVERROR_INVALIDDATA;
156
157 ✗ bytestream2_skipu(gb, 1); // itu_t_t35_country_code_extension_byte
158 }
159
160
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 1189 if (country_code != ITU_T_T35_COUNTRY_CODE_US &&
161
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 3 country_code != ITU_T_T35_COUNTRY_CODE_UK &&
162 country_code != ITU_T_T35_COUNTRY_CODE_CN) {
163 ✗ av_log(logctx, AV_LOG_VERBOSE,
164 "Unsupported User Data Registered ITU-T T35 SEI message (country_code = %d)\n",
165 country_code);
166 ✗ return 0;
167 }
168
169 /* itu_t_t35_payload_byte follows */
170 1189 provider_code = bytestream2_get_be16u(gb);
171
172
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 1189 switch (provider_code) {
173 1175 case ITU_T_T35_PROVIDER_CODE_ATSC: {
174 uint32_t user_identifier;
175
176
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 1175 if (bytestream2_get_bytes_left(gb) < 4)
177 ✗ return AVERROR_INVALIDDATA;
178
179 1175 user_identifier = bytestream2_get_be32u(gb);
180
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 1175 switch (user_identifier) {
181 1169 case MKBETAG('D', 'T', 'G', '1'): // afd_data
182 1169 return decode_registered_user_data_afd(&h->afd, gb);
183 6 case MKBETAG('G', 'A', '9', '4'): // closed captions
184 6 return decode_registered_user_data_closed_caption(&h->a53_caption, gb);
185 ✗ default:
186 ✗ av_log(logctx, AV_LOG_VERBOSE,
187 "Unsupported User Data Registered ITU-T T35 SEI message (atsc user_identifier = 0x%04x)\n",
188 user_identifier);
189 ✗ break;
190 }
191 ✗ break;
192 }
193 ✗ case ITU_T_T35_PROVIDER_CODE_LCEVC: {
194 ✗ if (bytestream2_get_bytes_left(gb) < 2)
195 ✗ return AVERROR_INVALIDDATA;
196
197 ✗ bytestream2_skipu(gb, 1); // user_data_type_code
198 ✗ return decode_registered_user_data_lcevc(&h->lcevc, gb);
199 }
200 #if CONFIG_HEVC_SEI
201 3 case ITU_T_T35_PROVIDER_CODE_CUVA: {
202 3 const uint16_t cuva_provider_oriented_code = 0x0005;
203 uint16_t provider_oriented_code;
204
205
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 3 if (!IS_HEVC(codec_id))
206 ✗ goto unsupported_provider_code;
207
208
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 3 if (bytestream2_get_bytes_left(gb) < 2)
209 ✗ return AVERROR_INVALIDDATA;
210
211 3 provider_oriented_code = bytestream2_get_be16u(gb);
212
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 3 if (provider_oriented_code == cuva_provider_oriented_code) {
213 3 return decode_registered_user_data_dynamic_hdr_vivid(&h->dynamic_hdr_vivid, gb);
214 }
215 ✗ break;
216 }
217 11 case ITU_T_T35_PROVIDER_CODE_SMTPE: {
218 // A/341 Amendment - 2094-40
219 11 const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
220 11 const uint8_t smpte2094_40_application_identifier = 0x04;
221 uint16_t provider_oriented_code;
222 uint8_t application_identifier;
223
224
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 11 if (!IS_HEVC(codec_id))
225 ✗ goto unsupported_provider_code;
226
227
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 11 if (bytestream2_get_bytes_left(gb) < 3)
228 ✗ return AVERROR_INVALIDDATA;
229
230 11 provider_oriented_code = bytestream2_get_be16u(gb);
231 11 application_identifier = bytestream2_get_byteu(gb);
232
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 11 if (provider_oriented_code == smpte2094_40_provider_oriented_code &&
233 application_identifier == smpte2094_40_application_identifier) {
234 11 return decode_registered_user_data_dynamic_hdr_plus(&h->dynamic_hdr_plus, gb);
235 }
236 ✗ break;
237 }
238 ✗ case 0x5890: { // aom_provider_code
239 ✗ const uint16_t aom_grain_provider_oriented_code = 0x0001;
240 uint16_t provider_oriented_code;
241
242 ✗ if (!IS_HEVC(codec_id))
243 ✗ goto unsupported_provider_code;
244
245 ✗ if (bytestream2_get_bytes_left(gb) < 2)
246 ✗ return AVERROR_INVALIDDATA;
247
248 ✗ provider_oriented_code = bytestream2_get_byteu(gb);
249 ✗ if (provider_oriented_code == aom_grain_provider_oriented_code) {
250 ✗ return ff_aom_parse_film_grain_sets(&h->aom_film_grain,
251 gb->buffer,
252 bytestream2_get_bytes_left(gb));
253 }
254 ✗ break;
255 }
256 ✗ unsupported_provider_code:
257 #endif
258 ✗ default:
259 ✗ av_log(logctx, AV_LOG_VERBOSE,
260 "Unsupported User Data Registered ITU-T T35 SEI message (provider_code = %d)\n",
261 provider_code);
262 ✗ break;
263 }
264
265 ✗ return 0;
266 }
267
268 618 static int decode_unregistered_user_data(H2645SEIUnregistered *h,
269 GetByteContext *gb,
270 enum AVCodecID codec_id)
271 {
272 uint8_t *user_data;
273 618 int size = bytestream2_get_bytes_left(gb);
274 AVBufferRef *buf_ref, **tmp;
275
276
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 618 if (size < 16 || size >= INT_MAX - 1)
277 ✗ return AVERROR_INVALIDDATA;
278
279 618 tmp = av_realloc_array(h->buf_ref, h->nb_buf_ref + 1, sizeof(*h->buf_ref));
280
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 618 if (!tmp)
281 ✗ return AVERROR(ENOMEM);
282 618 h->buf_ref = tmp;
283
284 618 buf_ref = av_buffer_alloc(size + 1);
285
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 618 if (!buf_ref)
286 ✗ return AVERROR(ENOMEM);
287 618 user_data = buf_ref->data;
288
289 618 bytestream2_get_bufferu(gb, user_data, size);
290 618 user_data[size] = 0;
291 618 buf_ref->size = size;
292 618 h->buf_ref[h->nb_buf_ref++] = buf_ref;
293
294
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 618 if (IS_H264(codec_id)) {
295 int e, build;
296 584 e = sscanf(user_data + 16, "x264 - core %d", &build);
297
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 584 if (e == 1 && build > 0)
298 152 h->x264_build = build;
299
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 584 if (e == 1 && build == 1 && !strncmp(user_data+16, "x264 - core 0000", 16))
300 ✗ h->x264_build = 67;
301 }
302
303 618 return 0;
304 }
305
306 2 static int decode_display_orientation(H2645SEIDisplayOrientation *h,
307 GetBitContext *gb)
308 {
309 2 h->present = !get_bits1(gb); // display_orientation_cancel_flag
310
311
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 2 if (h->present) {
312 2 h->hflip = get_bits1(gb); // hor_flip
313 2 h->vflip = get_bits1(gb); // ver_flip
314
315 2 h->anticlockwise_rotation = get_bits(gb, 16);
316 // This is followed by display_orientation_repetition_period
317 // and display_orientation_extension_flag for H.264
318 // and by display_orientation_persistence_flag for HEVC.
319 }
320
321 2 return 0;
322 }
323
324 ✗ static int decode_frame_packing_arrangement(H2645SEIFramePacking *h,
325 GetBitContext *gb,
326 enum AVCodecID codec_id)
327 {
328 ✗ h->arrangement_id = get_ue_golomb_long(gb);
329 ✗ h->arrangement_cancel_flag = get_bits1(gb);
330 ✗ h->present = !h->arrangement_cancel_flag;
331
332 ✗ if (h->present) {
333 ✗ h->arrangement_type = get_bits(gb, 7);
334 ✗ h->quincunx_sampling_flag = get_bits1(gb);
335 ✗ h->content_interpretation_type = get_bits(gb, 6);
336
337 // spatial_flipping_flag, frame0_flipped_flag, field_views_flag
338 ✗ skip_bits(gb, 3);
339 ✗ h->current_frame_is_frame0_flag = get_bits1(gb);
340 // frame0_self_contained_flag, frame1_self_contained_flag
341 ✗ skip_bits(gb, 2);
342
343 ✗ if (!h->quincunx_sampling_flag && h->arrangement_type != 5)
344 ✗ skip_bits(gb, 16); // frame[01]_grid_position_[xy]
345 ✗ skip_bits(gb, 8); // frame_packing_arrangement_reserved_byte
346 ✗ if (IS_H264(codec_id))
347 ✗ h->arrangement_repetition_period = get_ue_golomb_long(gb);
348 else
349 ✗ skip_bits1(gb); // frame_packing_arrangement_persistence_flag
350 }
351 // H.264: frame_packing_arrangement_extension_flag,
352 // HEVC: upsampled_aspect_ratio_flag
353 ✗ skip_bits1(gb);
354
355 ✗ return 0;
356 }
357
358 ✗ static int decode_alternative_transfer(H2645SEIAlternativeTransfer *s,
359 GetByteContext *gb)
360 {
361 ✗ if (bytestream2_get_bytes_left(gb) < 1)
362 ✗ return AVERROR_INVALIDDATA;
363
364 ✗ s->present = 1;
365 ✗ s->preferred_transfer_characteristics = bytestream2_get_byteu(gb);
366
367 ✗ return 0;
368 }
369
370 9 static int decode_ambient_viewing_environment(H2645SEIAmbientViewingEnvironment *s,
371 GetByteContext *gb)
372 {
373 static const uint16_t max_ambient_light_value = 50000;
374
375
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 9 if (bytestream2_get_bytes_left(gb) < 8)
376 ✗ return AVERROR_INVALIDDATA;
377
378 9 s->ambient_illuminance = bytestream2_get_be32u(gb);
379
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 9 if (!s->ambient_illuminance)
380 ✗ return AVERROR_INVALIDDATA;
381
382 9 s->ambient_light_x = bytestream2_get_be16u(gb);
383
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 9 if (s->ambient_light_x > max_ambient_light_value)
384 ✗ return AVERROR_INVALIDDATA;
385
386 9 s->ambient_light_y = bytestream2_get_be16u(gb);
387
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 9 if (s->ambient_light_y > max_ambient_light_value)
388 ✗ return AVERROR_INVALIDDATA;
389
390 9 s->present = 1;
391
392 9 return 0;
393 }
394
395 ✗ static int decode_film_grain_characteristics(H2645SEIFilmGrainCharacteristics *h,
396 enum AVCodecID codec_id, GetBitContext *gb)
397 {
398 ✗ h->present = !get_bits1(gb); // film_grain_characteristics_cancel_flag
399
400 ✗ if (h->present) {
401 ✗ memset(h, 0, sizeof(*h));
402 ✗ h->model_id = get_bits(gb, 2);
403 ✗ h->separate_colour_description_present_flag = get_bits1(gb);
404 ✗ if (h->separate_colour_description_present_flag) {
405 ✗ h->bit_depth_luma = get_bits(gb, 3) + 8;
406 ✗ h->bit_depth_chroma = get_bits(gb, 3) + 8;
407 ✗ h->full_range = get_bits1(gb);
408 ✗ h->color_primaries = get_bits(gb, 8);
409 ✗ h->transfer_characteristics = get_bits(gb, 8);
410 ✗ h->matrix_coeffs = get_bits(gb, 8);
411 }
412 ✗ h->blending_mode_id = get_bits(gb, 2);
413 ✗ h->log2_scale_factor = get_bits(gb, 4);
414 ✗ for (int c = 0; c < 3; c++)
415 ✗ h->comp_model_present_flag[c] = get_bits1(gb);
416 ✗ for (int c = 0; c < 3; c++) {
417 ✗ if (h->comp_model_present_flag[c]) {
418 ✗ h->num_intensity_intervals[c] = get_bits(gb, 8) + 1;
419 ✗ h->num_model_values[c] = get_bits(gb, 3) + 1;
420 ✗ if (h->num_model_values[c] > 6)
421 ✗ return AVERROR_INVALIDDATA;
422 ✗ for (int i = 0; i < h->num_intensity_intervals[c]; i++) {
423 ✗ h->intensity_interval_lower_bound[c][i] = get_bits(gb, 8);
424 ✗ h->intensity_interval_upper_bound[c][i] = get_bits(gb, 8);
425 ✗ for (int j = 0; j < h->num_model_values[c]; j++)
426 ✗ h->comp_model_value[c][i][j] = get_se_golomb_long(gb);
427 }
428 }
429 }
430 ✗ if (IS_HEVC(codec_id))
431 ✗ h->persistence_flag = get_bits1(gb);
432 else
433 ✗ h->repetition_period = get_ue_golomb_long(gb);
434
435 ✗ h->present = 1;
436 }
437
438 ✗ return 0;
439 }
440
441 23 static int decode_nal_sei_mastering_display_info(H2645SEIMasteringDisplay *s,
442 GetByteContext *gb)
443 {
444 int i;
445
446
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 23 if (bytestream2_get_bytes_left(gb) < 24)
447 ✗ return AVERROR_INVALIDDATA;
448
449 // Mastering primaries
450
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 92 for (i = 0; i < 3; i++) {
451 69 s->display_primaries[i][0] = bytestream2_get_be16u(gb);
452 69 s->display_primaries[i][1] = bytestream2_get_be16u(gb);
453 }
454 // White point (x, y)
455 23 s->white_point[0] = bytestream2_get_be16u(gb);
456 23 s->white_point[1] = bytestream2_get_be16u(gb);
457
458 // Max and min luminance of mastering display
459 23 s->max_luminance = bytestream2_get_be32u(gb);
460 23 s->min_luminance = bytestream2_get_be32u(gb);
461
462 // As this SEI message comes before the first frame that references it,
463 // initialize the flag to 2 and decrement on IRAP access unit so it
464 // persists for the coded video sequence (e.g., between two IRAPs)
465 23 s->present = 2;
466
467 23 return 0;
468 }
469
470 14 static int decode_nal_sei_content_light_info(H2645SEIContentLight *s,
471 GetByteContext *gb)
472 {
473
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 14 if (bytestream2_get_bytes_left(gb) < 4)
474 ✗ return AVERROR_INVALIDDATA;
475
476 // Max and average light levels
477 14 s->max_content_light_level = bytestream2_get_be16u(gb);
478 14 s->max_pic_average_light_level = bytestream2_get_be16u(gb);
479 // As this SEI message comes before the first frame that references it,
480 // initialize the flag to 2 and decrement on IRAP access unit so it
481 // persists for the coded video sequence (e.g., between two IRAPs)
482 14 s->present = 2;
483
484 14 return 0;
485 }
486
487 2238 int ff_h2645_sei_message_decode(H2645SEI *h, enum SEIType type,
488 enum AVCodecID codec_id, GetBitContext *gb,
489 GetByteContext *gbyte, void *logctx)
490 {
491
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 2238 switch (type) {
492 1189 case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
493 1189 return decode_registered_user_data(h, gbyte, codec_id, logctx);
494 618 case SEI_TYPE_USER_DATA_UNREGISTERED:
495 618 return decode_unregistered_user_data(&h->unregistered, gbyte, codec_id);
496 2 case SEI_TYPE_DISPLAY_ORIENTATION:
497 2 return decode_display_orientation(&h->display_orientation, gb);
498 ✗ case SEI_TYPE_FILM_GRAIN_CHARACTERISTICS:
499 ✗ av_refstruct_unref(&h->film_grain_characteristics);
500 ✗ h->film_grain_characteristics = av_refstruct_allocz(sizeof(*h->film_grain_characteristics));
501 ✗ if (!h->film_grain_characteristics)
502 ✗ return AVERROR(ENOMEM);
503 ✗ return decode_film_grain_characteristics(h->film_grain_characteristics, codec_id, gb);
504 ✗ case SEI_TYPE_FRAME_PACKING_ARRANGEMENT:
505 ✗ return decode_frame_packing_arrangement(&h->frame_packing, gb, codec_id);
506 ✗ case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
507 ✗ return decode_alternative_transfer(&h->alternative_transfer, gbyte);
508 9 case SEI_TYPE_AMBIENT_VIEWING_ENVIRONMENT:
509 9 return decode_ambient_viewing_environment(&h->ambient_viewing_environment,
510 gbyte);
511 23 case SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
512 23 return decode_nal_sei_mastering_display_info(&h->mastering_display,
513 gbyte);
514 14 case SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
515 14 return decode_nal_sei_content_light_info(&h->content_light, gbyte);
516 383 default:
517 383 return FF_H2645_SEI_MESSAGE_UNHANDLED;
518 }
519 }
520
521 90 int ff_h2645_sei_ctx_replace(H2645SEI *dst, const H2645SEI *src)
522 {
523 90 int ret = av_buffer_replace(&dst->a53_caption.buf_ref,
524 90 src->a53_caption.buf_ref);
525
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 90 if (ret < 0)
526 ✗ return ret;
527
528
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 90 for (unsigned i = 0; i < dst->unregistered.nb_buf_ref; i++)
529 ✗ av_buffer_unref(&dst->unregistered.buf_ref[i]);
530 90 dst->unregistered.nb_buf_ref = 0;
531
532 90 ret = av_buffer_replace(&dst->lcevc.info, src->lcevc.info);
533
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 90 if (ret < 0)
534 ✗ return ret;
535
536
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 90 if (src->unregistered.nb_buf_ref) {
537 ✗ ret = av_reallocp_array(&dst->unregistered.buf_ref,
538 ✗ src->unregistered.nb_buf_ref,
539 sizeof(*dst->unregistered.buf_ref));
540 ✗ if (ret < 0)
541 ✗ return ret;
542
543 ✗ for (unsigned i = 0; i < src->unregistered.nb_buf_ref; i++) {
544 ✗ dst->unregistered.buf_ref[i] = av_buffer_ref(src->unregistered.buf_ref[i]);
545 ✗ if (!dst->unregistered.buf_ref[i])
546 ✗ return AVERROR(ENOMEM);
547 ✗ dst->unregistered.nb_buf_ref++;
548 }
549 }
550
551
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 810 for (unsigned i = 0; i < FF_ARRAY_ELEMS(dst->aom_film_grain.sets); i++) {
552 720 ret = av_buffer_replace(&dst->aom_film_grain.sets[i],
553 720 src->aom_film_grain.sets[i]);
554
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 720 if (ret < 0)
555 ✗ return ret;
556 }
557 90 dst->aom_film_grain.enable = src->aom_film_grain.enable;
558
559 90 dst->mastering_display = src->mastering_display;
560 90 dst->content_light = src->content_light;
561
562 90 av_refstruct_replace(&dst->film_grain_characteristics,
563 90 src->film_grain_characteristics);
564
565 90 return 0;
566 }
567
568 ✗ static int is_frame_packing_type_valid(SEIFpaType type, enum AVCodecID codec_id)
569 {
570 ✗ if (IS_H264(codec_id))
571 ✗ return type <= SEI_FPA_H264_TYPE_2D &&
572 type >= SEI_FPA_H264_TYPE_CHECKERBOARD;
573 else
574 ✗ return type <= SEI_FPA_TYPE_INTERLEAVE_TEMPORAL &&
575 type >= SEI_FPA_TYPE_SIDE_BY_SIDE;
576 }
577
578 35515 static int h2645_sei_to_side_data(AVCodecContext *avctx, H2645SEI *sei,
579 AVFrameSideData ***sd, int *nb_sd)
580 {
581 int ret;
582
583
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 35826 for (unsigned i = 0; i < sei->unregistered.nb_buf_ref; i++) {
584 311 H2645SEIUnregistered *unreg = &sei->unregistered;
585
586
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 311 if (unreg->buf_ref[i]) {
587 AVFrameSideData *entry =
588 311 av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
589 311 &unreg->buf_ref[i], 0);
590
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 311 if (!entry)
591 ✗ av_buffer_unref(&unreg->buf_ref[i]);
592 }
593 }
594 35515 sei->unregistered.nb_buf_ref = 0;
595
596
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 35515 if (sei->ambient_viewing_environment.present) {
597 10 H2645SEIAmbientViewingEnvironment *env = &sei->ambient_viewing_environment;
598 AVBufferRef *buf;
599 size_t size;
600
601 AVAmbientViewingEnvironment *dst_env =
602 10 av_ambient_viewing_environment_alloc(&size);
603
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 10 if (!dst_env)
604 ✗ return AVERROR(ENOMEM);
605
606 10 buf = av_buffer_create((uint8_t *)dst_env, size, NULL, NULL, 0);
607
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 10 if (!buf) {
608 ✗ av_free(dst_env);
609 ✗ return AVERROR(ENOMEM);
610 }
611
612 10 ret = ff_frame_new_side_data_from_buf_ext(avctx, sd, nb_sd,
613 AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT, &buf);
614
615
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 10 if (ret < 0)
616 ✗ return ret;
617
618 10 dst_env->ambient_illuminance = av_make_q(env->ambient_illuminance, 10000);
619 10 dst_env->ambient_light_x = av_make_q(env->ambient_light_x, 50000);
620 10 dst_env->ambient_light_y = av_make_q(env->ambient_light_y, 50000);
621 }
622
623
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 35515 if (sei->mastering_display.present) {
624 // HEVC uses a g,b,r ordering, which we convert to a more natural r,g,b
625 35 const int mapping[3] = {2, 0, 1};
626 35 const int chroma_den = 50000;
627 35 const int luma_den = 10000;
628 int i;
629 AVMasteringDisplayMetadata *metadata;
630
631 35 ret = ff_decode_mastering_display_new_ext(avctx, sd, nb_sd, &metadata);
632
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 35 if (ret < 0)
633 ✗ return ret;
634
635
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 35 if (metadata) {
636 25 metadata->has_luminance = 1;
637 25 metadata->has_primaries = 1;
638
639
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 100 for (i = 0; i < 3; i++) {
640 75 const int j = mapping[i];
641 75 metadata->display_primaries[i][0].num = sei->mastering_display.display_primaries[j][0];
642 75 metadata->display_primaries[i][0].den = chroma_den;
643
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 150 metadata->has_primaries &= sei->mastering_display.display_primaries[j][0] >= 5 &&
644
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 75 sei->mastering_display.display_primaries[j][0] <= 37000;
645
646 75 metadata->display_primaries[i][1].num = sei->mastering_display.display_primaries[j][1];
647 75 metadata->display_primaries[i][1].den = chroma_den;
648
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 150 metadata->has_primaries &= sei->mastering_display.display_primaries[j][1] >= 5 &&
649
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 75 sei->mastering_display.display_primaries[j][1] <= 42000;
650 }
651 25 metadata->white_point[0].num = sei->mastering_display.white_point[0];
652 25 metadata->white_point[0].den = chroma_den;
653
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 50 metadata->has_primaries &= sei->mastering_display.white_point[0] >= 5 &&
654
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 25 sei->mastering_display.white_point[0] <= 37000;
655
656 25 metadata->white_point[1].num = sei->mastering_display.white_point[1];
657 25 metadata->white_point[1].den = chroma_den;
658
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 50 metadata->has_primaries &= sei->mastering_display.white_point[1] >= 5 &&
659
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 25 sei->mastering_display.white_point[1] <= 42000;
660
661 25 metadata->max_luminance.num = sei->mastering_display.max_luminance;
662 25 metadata->max_luminance.den = luma_den;
663
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 50 metadata->has_luminance &= sei->mastering_display.max_luminance >= 50000 &&
664
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 25 sei->mastering_display.max_luminance <= 100000000;
665
666 25 metadata->min_luminance.num = sei->mastering_display.min_luminance;
667 25 metadata->min_luminance.den = luma_den;
668
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 50 metadata->has_luminance &= sei->mastering_display.min_luminance <= 50000 &&
669 25 sei->mastering_display.min_luminance <
670
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 25 sei->mastering_display.max_luminance;
671
672 /* Real (blu-ray) releases in the wild come with minimum luminance
673 * values of 0.000 cd/m2, so permit this edge case */
674
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 25 if (avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT)
675 ✗ metadata->has_luminance &= sei->mastering_display.min_luminance >= 1;
676
677
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 25 if (metadata->has_luminance || metadata->has_primaries)
678 25 av_log(avctx, AV_LOG_DEBUG, "Mastering Display Metadata:\n");
679
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 25 if (metadata->has_primaries) {
680 25 av_log(avctx, AV_LOG_DEBUG,
681 "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f)\n",
682 25 av_q2d(metadata->display_primaries[0][0]),
683 25 av_q2d(metadata->display_primaries[0][1]),
684 25 av_q2d(metadata->display_primaries[1][0]),
685 25 av_q2d(metadata->display_primaries[1][1]),
686 25 av_q2d(metadata->display_primaries[2][0]),
687 25 av_q2d(metadata->display_primaries[2][1]),
688 25 av_q2d(metadata->white_point[0]), av_q2d(metadata->white_point[1]));
689 }
690
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 25 if (metadata->has_luminance) {
691 24 av_log(avctx, AV_LOG_DEBUG,
692 "min_luminance=%f, max_luminance=%f\n",
693 24 av_q2d(metadata->min_luminance), av_q2d(metadata->max_luminance));
694 }
695 }
696 }
697
698
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 35515 if (sei->content_light.present) {
699 AVContentLightMetadata *metadata;
700
701 8 ret = ff_decode_content_light_new_ext(avctx, sd, nb_sd, &metadata);
702
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 8 if (ret < 0)
703 ✗ return ret;
704
705
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 8 if (metadata) {
706 8 metadata->MaxCLL = sei->content_light.max_content_light_level;
707 8 metadata->MaxFALL = sei->content_light.max_pic_average_light_level;
708
709 8 av_log(avctx, AV_LOG_DEBUG, "Content Light Level Metadata:\n");
710 8 av_log(avctx, AV_LOG_DEBUG, "MaxCLL=%d, MaxFALL=%d\n",
711 8 metadata->MaxCLL, metadata->MaxFALL);
712 }
713 }
714
715 35515 return 0;
716 }
717
718 35258 int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei,
719 enum AVCodecID codec_id,
720 AVCodecContext *avctx, const H2645VUI *vui,
721 unsigned bit_depth_luma, unsigned bit_depth_chroma,
722 int seed)
723 {
724 35258 H2645SEIFramePacking *fp = &sei->frame_packing;
725 int ret;
726
727
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 35258 if (fp->present &&
728 ✗ is_frame_packing_type_valid(fp->arrangement_type, codec_id) &&
729 ✗ fp->content_interpretation_type > 0 &&
730 ✗ fp->content_interpretation_type < 3) {
731 ✗ AVStereo3D *stereo = av_stereo3d_create_side_data(frame);
732
733 ✗ if (!stereo)
734 ✗ return AVERROR(ENOMEM);
735
736 ✗ switch (fp->arrangement_type) {
737 #if CONFIG_H264_SEI
738 ✗ case SEI_FPA_H264_TYPE_CHECKERBOARD:
739 ✗ stereo->type = AV_STEREO3D_CHECKERBOARD;
740 ✗ break;
741 ✗ case SEI_FPA_H264_TYPE_INTERLEAVE_COLUMN:
742 ✗ stereo->type = AV_STEREO3D_COLUMNS;
743 ✗ break;
744 ✗ case SEI_FPA_H264_TYPE_INTERLEAVE_ROW:
745 ✗ stereo->type = AV_STEREO3D_LINES;
746 ✗ break;
747 #endif
748 ✗ case SEI_FPA_TYPE_SIDE_BY_SIDE:
749 ✗ if (fp->quincunx_sampling_flag)
750 ✗ stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
751 else
752 ✗ stereo->type = AV_STEREO3D_SIDEBYSIDE;
753 ✗ break;
754 ✗ case SEI_FPA_TYPE_TOP_BOTTOM:
755 ✗ stereo->type = AV_STEREO3D_TOPBOTTOM;
756 ✗ break;
757 ✗ case SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
758 ✗ stereo->type = AV_STEREO3D_FRAMESEQUENCE;
759 ✗ break;
760 #if CONFIG_H264_SEI
761 ✗ case SEI_FPA_H264_TYPE_2D:
762 ✗ stereo->type = AV_STEREO3D_2D;
763 ✗ break;
764 #endif
765 }
766
767 ✗ if (fp->content_interpretation_type == 2)
768 ✗ stereo->flags = AV_STEREO3D_FLAG_INVERT;
769
770 ✗ if (fp->arrangement_type == SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
771 ✗ if (fp->current_frame_is_frame0_flag)
772 ✗ stereo->view = AV_STEREO3D_VIEW_LEFT;
773 else
774 ✗ stereo->view = AV_STEREO3D_VIEW_RIGHT;
775 }
776 }
777
778
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 35258 if (sei->display_orientation.present &&
779
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 1 (sei->display_orientation.anticlockwise_rotation ||
780
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 1 sei->display_orientation.hflip ||
781
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 1 sei->display_orientation.vflip)) {
782 ✗ H2645SEIDisplayOrientation *o = &sei->display_orientation;
783 ✗ double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
784 ✗ AVFrameSideData *rotation = av_frame_new_side_data(frame,
785 AV_FRAME_DATA_DISPLAYMATRIX,
786 sizeof(int32_t) * 9);
787 ✗ if (!rotation)
788 ✗ return AVERROR(ENOMEM);
789
790 /* av_display_rotation_set() expects the angle in the clockwise
791 * direction, hence the first minus.
792 * The below code applies the flips after the rotation, yet
793 * the H.2645 specs require flipping to be applied first.
794 * Because of R O(phi) = O(-phi) R (where R is flipping around
795 * an arbitatry axis and O(phi) is the proper rotation by phi)
796 * we can create display matrices as desired by negating
797 * the degree once for every flip applied. */
798 ✗ angle = -angle * (1 - 2 * !!o->hflip) * (1 - 2 * !!o->vflip);
799 ✗ av_display_rotation_set((int32_t *)rotation->data, angle);
800 ✗ av_display_matrix_flip((int32_t *)rotation->data,
801 o->hflip, o->vflip);
802 }
803
804
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 35258 if (sei->a53_caption.buf_ref) {
805 1 H2645SEIA53Caption *a53 = &sei->a53_caption;
806 1 AVFrameSideData *sd = av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, a53->buf_ref);
807
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 1 if (!sd)
808 ✗ av_buffer_unref(&a53->buf_ref);
809 1 a53->buf_ref = NULL;
810 #if FF_API_CODEC_PROPS
811 FF_DISABLE_DEPRECATION_WARNINGS
812 1 avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
813 FF_ENABLE_DEPRECATION_WARNINGS
814 #endif
815 }
816
817 35258 ret = h2645_sei_to_side_data(avctx, sei, &frame->side_data, &frame->nb_side_data);
818
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 35258 if (ret < 0)
819 ✗ return ret;
820
821
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 35258 if (sei->afd.present) {
822 324 AVFrameSideData *sd = av_frame_new_side_data(frame, AV_FRAME_DATA_AFD,
823 sizeof(uint8_t));
824
825
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 324 if (sd) {
826 324 *sd->data = sei->afd.active_format_description;
827 324 sei->afd.present = 0;
828 }
829 }
830
831
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 35258 if (sei->lcevc.info) {
832 ✗ HEVCSEILCEVC *lcevc = &sei->lcevc;
833 ✗ ret = ff_frame_new_side_data_from_buf(avctx, frame, AV_FRAME_DATA_LCEVC, &lcevc->info);
834 ✗ if (ret < 0)
835 ✗ return ret;
836 }
837
838
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 35258 if (sei->film_grain_characteristics && sei->film_grain_characteristics->present) {
839 ✗ H2645SEIFilmGrainCharacteristics *fgc = sei->film_grain_characteristics;
840 ✗ AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame);
841 AVFilmGrainH274Params *h274;
842
843 ✗ if (!fgp)
844 ✗ return AVERROR(ENOMEM);
845
846 ✗ fgp->type = AV_FILM_GRAIN_PARAMS_H274;
847 ✗ h274 = &fgp->codec.h274;
848
849 ✗ fgp->seed = seed;
850 ✗ fgp->width = frame->width;
851 ✗ fgp->height = frame->height;
852
853 /* H.274 mandates film grain be applied to 4:4:4 frames */
854 ✗ fgp->subsampling_x = fgp->subsampling_y = 0;
855
856 ✗ h274->model_id = fgc->model_id;
857 ✗ if (fgc->separate_colour_description_present_flag) {
858 ✗ fgp->bit_depth_luma = fgc->bit_depth_luma;
859 ✗ fgp->bit_depth_chroma = fgc->bit_depth_chroma;
860 ✗ fgp->color_range = fgc->full_range + 1;
861 ✗ fgp->color_primaries = fgc->color_primaries;
862 ✗ fgp->color_trc = fgc->transfer_characteristics;
863 ✗ fgp->color_space = fgc->matrix_coeffs;
864 } else {
865 ✗ fgp->bit_depth_luma = bit_depth_luma;
866 ✗ fgp->bit_depth_chroma = bit_depth_chroma;
867 ✗ if (vui->video_signal_type_present_flag)
868 ✗ fgp->color_range = vui->video_full_range_flag + 1;
869 ✗ if (vui->colour_description_present_flag) {
870 ✗ fgp->color_primaries = vui->colour_primaries;
871 ✗ fgp->color_trc = vui->transfer_characteristics;
872 ✗ fgp->color_space = vui->matrix_coeffs;
873 }
874 }
875 ✗ h274->blending_mode_id = fgc->blending_mode_id;
876 ✗ h274->log2_scale_factor = fgc->log2_scale_factor;
877
878 ✗ memcpy(&h274->component_model_present, &fgc->comp_model_present_flag,
879 sizeof(h274->component_model_present));
880 ✗ memcpy(&h274->num_intensity_intervals, &fgc->num_intensity_intervals,
881 sizeof(h274->num_intensity_intervals));
882 ✗ memcpy(&h274->num_model_values, &fgc->num_model_values,
883 sizeof(h274->num_model_values));
884 ✗ memcpy(&h274->intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
885 sizeof(h274->intensity_interval_lower_bound));
886 ✗ memcpy(&h274->intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
887 sizeof(h274->intensity_interval_upper_bound));
888 ✗ memcpy(&h274->comp_model_value, &fgc->comp_model_value,
889 sizeof(h274->comp_model_value));
890
891 ✗ if (IS_H264(codec_id))
892 ✗ fgc->present = !!fgc->repetition_period;
893 else
894 ✗ fgc->present = fgc->persistence_flag;
895
896 #if FF_API_CODEC_PROPS
897 FF_DISABLE_DEPRECATION_WARNINGS
898 ✗ avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
899 FF_ENABLE_DEPRECATION_WARNINGS
900 #endif
901 }
902
903 #if CONFIG_HEVC_SEI
904 35258 ret = ff_aom_attach_film_grain_sets(&sei->aom_film_grain, frame);
905
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 35258 if (ret < 0)
906 ✗ return ret;
907 #endif
908
909 35258 return 0;
910 }
911
912 257 int ff_h2645_sei_to_context(AVCodecContext *avctx, H2645SEI *sei)
913 {
914 257 return h2645_sei_to_side_data(avctx, sei, &avctx->decoded_side_data,
915 &avctx->nb_decoded_side_data);
916 }
917
918 74468 void ff_h2645_sei_reset(H2645SEI *s)
919 {
920 74468 av_buffer_unref(&s->a53_caption.buf_ref);
921
922
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 74775 for (unsigned i = 0; i < s->unregistered.nb_buf_ref; i++)
923 307 av_buffer_unref(&s->unregistered.buf_ref[i]);
924 74468 s->unregistered.nb_buf_ref = 0;
925 74468 av_freep(&s->unregistered.buf_ref);
926 74468 av_buffer_unref(&s->dynamic_hdr_plus.info);
927 74468 av_buffer_unref(&s->dynamic_hdr_vivid.info);
928 74468 av_buffer_unref(&s->lcevc.info);
929
930 74468 s->ambient_viewing_environment.present = 0;
931 74468 s->mastering_display.present = 0;
932 74468 s->content_light.present = 0;
933
934 74468 av_refstruct_unref(&s->film_grain_characteristics);
935 74468 ff_aom_uninit_film_grain_params(&s->aom_film_grain);
936 74468 }
937