FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h2645_sei.c
Date: 2024-07-26 21:54:09
Exec Total Coverage
Lines: 255 487 52.4%
Functions: 16 20 80.0%
Branches: 114 275 41.5%
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/display.h"
30 #include "libavutil/hdr_dynamic_metadata.h"
31 #include "libavutil/film_grain_params.h"
32 #include "libavutil/mastering_display_metadata.h"
33 #include "libavutil/mem.h"
34 #include "libavutil/stereo3d.h"
35
36 #include "atsc_a53.h"
37 #include "avcodec.h"
38 #include "decode.h"
39 #include "dynamic_hdr_vivid.h"
40 #include "get_bits.h"
41 #include "golomb.h"
42 #include "h2645_sei.h"
43 #include "itut35.h"
44
45 #define IS_H264(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_H264 : CONFIG_H264_SEI)
46 #define IS_HEVC(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_HEVC : CONFIG_HEVC_SEI)
47
48 #if CONFIG_HEVC_SEI
49 6 static int decode_registered_user_data_dynamic_hdr_plus(HEVCSEIDynamicHDRPlus *s,
50 GetByteContext *gb)
51 {
52 size_t meta_size;
53 int err;
54 6 AVDynamicHDRPlus *metadata = av_dynamic_hdr_plus_alloc(&meta_size);
55
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 6 if (!metadata)
56 ✗ return AVERROR(ENOMEM);
57
58 6 err = av_dynamic_hdr_plus_from_t35(metadata, gb->buffer,
59 6 bytestream2_get_bytes_left(gb));
60
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 6 if (err < 0) {
61 ✗ av_free(metadata);
62 ✗ return err;
63 }
64
65 6 av_buffer_unref(&s->info);
66 6 s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
67
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 6 if (!s->info) {
68 ✗ av_free(metadata);
69 ✗ return AVERROR(ENOMEM);
70 }
71
72 6 return 0;
73 }
74
75 3 static int decode_registered_user_data_dynamic_hdr_vivid(HEVCSEIDynamicHDRVivid *s,
76 GetByteContext *gb)
77 {
78 size_t meta_size;
79 int err;
80 3 AVDynamicHDRVivid *metadata = av_dynamic_hdr_vivid_alloc(&meta_size);
81
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 3 if (!metadata)
82 ✗ return AVERROR(ENOMEM);
83
84 3 err = ff_parse_itu_t_t35_to_dynamic_hdr_vivid(metadata,
85 gb->buffer, bytestream2_get_bytes_left(gb));
86
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 3 if (err < 0) {
87 ✗ av_free(metadata);
88 ✗ return err;
89 }
90
91 3 av_buffer_unref(&s->info);
92 3 s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
93
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 3 if (!s->info) {
94 ✗ av_free(metadata);
95 ✗ return AVERROR(ENOMEM);
96 }
97
98 3 return 0;
99 }
100 #endif
101
102 1136 static int decode_registered_user_data_afd(H2645SEIAFD *h, GetByteContext *gb)
103 {
104 int flag;
105
106
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 1136 if (bytestream2_get_bytes_left(gb) <= 0)
107 ✗ return AVERROR_INVALIDDATA;
108
109 1136 flag = !!(bytestream2_get_byteu(gb) & 0x40); // active_format_flag
110
111
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 1136 if (flag) {
112
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 1136 if (bytestream2_get_bytes_left(gb) <= 0)
113 ✗ return AVERROR_INVALIDDATA;
114 1136 h->active_format_description = bytestream2_get_byteu(gb) & 0xF;
115 1136 h->present = 1;
116 }
117
118 1136 return 0;
119 }
120
121 6 static int decode_registered_user_data_closed_caption(H2645SEIA53Caption *h,
122 GetByteContext *gb)
123 {
124 6 return ff_parse_a53_cc(&h->buf_ref, gb->buffer,
125 bytestream2_get_bytes_left(gb));
126 }
127
128 1151 static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
129 enum AVCodecID codec_id, void *logctx)
130 {
131 int country_code, provider_code;
132
133
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 1151 if (bytestream2_get_bytes_left(gb) < 3)
134 ✗ return AVERROR_INVALIDDATA;
135
136 1151 country_code = bytestream2_get_byteu(gb); // itu_t_t35_country_code
137
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 1151 if (country_code == 0xFF) {
138 ✗ if (bytestream2_get_bytes_left(gb) < 3)
139 ✗ return AVERROR_INVALIDDATA;
140
141 ✗ bytestream2_skipu(gb, 1); // itu_t_t35_country_code_extension_byte
142 }
143
144
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 1151 if (country_code != ITU_T_T35_COUNTRY_CODE_US &&
145 country_code != ITU_T_T35_COUNTRY_CODE_CN) {
146 ✗ av_log(logctx, AV_LOG_VERBOSE,
147 "Unsupported User Data Registered ITU-T T35 SEI message (country_code = %d)\n",
148 country_code);
149 ✗ return 0;
150 }
151
152 /* itu_t_t35_payload_byte follows */
153 1151 provider_code = bytestream2_get_be16u(gb);
154
155
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 1151 switch (provider_code) {
156 1142 case ITU_T_T35_PROVIDER_CODE_ATSC: {
157 uint32_t user_identifier;
158
159
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 1142 if (bytestream2_get_bytes_left(gb) < 4)
160 ✗ return AVERROR_INVALIDDATA;
161
162 1142 user_identifier = bytestream2_get_be32u(gb);
163 switch (user_identifier) {
164 1136 case MKBETAG('D', 'T', 'G', '1'): // afd_data
165 1136 return decode_registered_user_data_afd(&h->afd, gb);
166 6 case MKBETAG('G', 'A', '9', '4'): // closed captions
167 6 return decode_registered_user_data_closed_caption(&h->a53_caption, gb);
168 ✗ default:
169 ✗ av_log(logctx, AV_LOG_VERBOSE,
170 "Unsupported User Data Registered ITU-T T35 SEI message (atsc user_identifier = 0x%04x)\n",
171 user_identifier);
172 ✗ break;
173 }
174 ✗ break;
175 }
176 #if CONFIG_HEVC_SEI
177 3 case ITU_T_T35_PROVIDER_CODE_CUVA: {
178 3 const uint16_t cuva_provider_oriented_code = 0x0005;
179 uint16_t provider_oriented_code;
180
181
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 3 if (!IS_HEVC(codec_id))
182 ✗ goto unsupported_provider_code;
183
184
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 3 if (bytestream2_get_bytes_left(gb) < 2)
185 ✗ return AVERROR_INVALIDDATA;
186
187 3 provider_oriented_code = bytestream2_get_be16u(gb);
188
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 3 if (provider_oriented_code == cuva_provider_oriented_code) {
189 3 return decode_registered_user_data_dynamic_hdr_vivid(&h->dynamic_hdr_vivid, gb);
190 }
191 ✗ break;
192 }
193 6 case ITU_T_T35_PROVIDER_CODE_SMTPE: {
194 // A/341 Amendment - 2094-40
195 6 const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
196 6 const uint8_t smpte2094_40_application_identifier = 0x04;
197 uint16_t provider_oriented_code;
198 uint8_t application_identifier;
199
200
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 6 if (!IS_HEVC(codec_id))
201 ✗ goto unsupported_provider_code;
202
203
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 6 if (bytestream2_get_bytes_left(gb) < 3)
204 ✗ return AVERROR_INVALIDDATA;
205
206 6 provider_oriented_code = bytestream2_get_be16u(gb);
207 6 application_identifier = bytestream2_get_byteu(gb);
208
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 6 if (provider_oriented_code == smpte2094_40_provider_oriented_code &&
209 application_identifier == smpte2094_40_application_identifier) {
210 6 return decode_registered_user_data_dynamic_hdr_plus(&h->dynamic_hdr_plus, gb);
211 }
212 ✗ break;
213 }
214 ✗ case 0x5890: { // aom_provider_code
215 ✗ const uint16_t aom_grain_provider_oriented_code = 0x0001;
216 uint16_t provider_oriented_code;
217
218 ✗ if (!IS_HEVC(codec_id))
219 ✗ goto unsupported_provider_code;
220
221 ✗ if (bytestream2_get_bytes_left(gb) < 2)
222 ✗ return AVERROR_INVALIDDATA;
223
224 ✗ provider_oriented_code = bytestream2_get_byteu(gb);
225 ✗ if (provider_oriented_code == aom_grain_provider_oriented_code) {
226 ✗ return ff_aom_parse_film_grain_sets(&h->aom_film_grain,
227 gb->buffer,
228 bytestream2_get_bytes_left(gb));
229 }
230 ✗ break;
231 }
232 ✗ unsupported_provider_code:
233 #endif
234 ✗ default:
235 ✗ av_log(logctx, AV_LOG_VERBOSE,
236 "Unsupported User Data Registered ITU-T T35 SEI message (provider_code = %d)\n",
237 provider_code);
238 ✗ break;
239 }
240
241 ✗ return 0;
242 }
243
244 588 static int decode_unregistered_user_data(H2645SEIUnregistered *h,
245 GetByteContext *gb,
246 enum AVCodecID codec_id)
247 {
248 uint8_t *user_data;
249 588 int size = bytestream2_get_bytes_left(gb);
250 AVBufferRef *buf_ref, **tmp;
251
252
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 588 if (size < 16 || size >= INT_MAX - 1)
253 ✗ return AVERROR_INVALIDDATA;
254
255 588 tmp = av_realloc_array(h->buf_ref, h->nb_buf_ref + 1, sizeof(*h->buf_ref));
256
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 588 if (!tmp)
257 ✗ return AVERROR(ENOMEM);
258 588 h->buf_ref = tmp;
259
260 588 buf_ref = av_buffer_alloc(size + 1);
261
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 588 if (!buf_ref)
262 ✗ return AVERROR(ENOMEM);
263 588 user_data = buf_ref->data;
264
265 588 bytestream2_get_bufferu(gb, user_data, size);
266 588 user_data[size] = 0;
267 588 buf_ref->size = size;
268 588 h->buf_ref[h->nb_buf_ref++] = buf_ref;
269
270
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 588 if (IS_H264(codec_id)) {
271 int e, build;
272 568 e = sscanf(user_data + 16, "x264 - core %d", &build);
273
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 568 if (e == 1 && build > 0)
274 140 h->x264_build = build;
275
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 568 if (e == 1 && build == 1 && !strncmp(user_data+16, "x264 - core 0000", 16))
276 ✗ h->x264_build = 67;
277 }
278
279 588 return 0;
280 }
281
282 2 static int decode_display_orientation(H2645SEIDisplayOrientation *h,
283 GetBitContext *gb)
284 {
285 2 h->present = !get_bits1(gb); // display_orientation_cancel_flag
286
287
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 2 if (h->present) {
288 2 h->hflip = get_bits1(gb); // hor_flip
289 2 h->vflip = get_bits1(gb); // ver_flip
290
291 2 h->anticlockwise_rotation = get_bits(gb, 16);
292 // This is followed by display_orientation_repetition_period
293 // and display_orientation_extension_flag for H.264
294 // and by display_orientation_persistence_flag for HEVC.
295 }
296
297 2 return 0;
298 }
299
300 ✗ static int decode_frame_packing_arrangement(H2645SEIFramePacking *h,
301 GetBitContext *gb,
302 enum AVCodecID codec_id)
303 {
304 ✗ h->arrangement_id = get_ue_golomb_long(gb);
305 ✗ h->arrangement_cancel_flag = get_bits1(gb);
306 ✗ h->present = !h->arrangement_cancel_flag;
307
308 ✗ if (h->present) {
309 ✗ h->arrangement_type = get_bits(gb, 7);
310 ✗ h->quincunx_sampling_flag = get_bits1(gb);
311 ✗ h->content_interpretation_type = get_bits(gb, 6);
312
313 // spatial_flipping_flag, frame0_flipped_flag, field_views_flag
314 ✗ skip_bits(gb, 3);
315 ✗ h->current_frame_is_frame0_flag = get_bits1(gb);
316 // frame0_self_contained_flag, frame1_self_contained_flag
317 ✗ skip_bits(gb, 2);
318
319 ✗ if (!h->quincunx_sampling_flag && h->arrangement_type != 5)
320 ✗ skip_bits(gb, 16); // frame[01]_grid_position_[xy]
321 ✗ skip_bits(gb, 8); // frame_packing_arrangement_reserved_byte
322 ✗ if (IS_H264(codec_id))
323 ✗ h->arrangement_repetition_period = get_ue_golomb_long(gb);
324 else
325 ✗ skip_bits1(gb); // frame_packing_arrangement_persistence_flag
326 }
327 // H.264: frame_packing_arrangement_extension_flag,
328 // HEVC: upsampled_aspect_ratio_flag
329 ✗ skip_bits1(gb);
330
331 ✗ return 0;
332 }
333
334 ✗ static int decode_alternative_transfer(H2645SEIAlternativeTransfer *s,
335 GetByteContext *gb)
336 {
337 ✗ if (bytestream2_get_bytes_left(gb) < 1)
338 ✗ return AVERROR_INVALIDDATA;
339
340 ✗ s->present = 1;
341 ✗ s->preferred_transfer_characteristics = bytestream2_get_byteu(gb);
342
343 ✗ return 0;
344 }
345
346 9 static int decode_ambient_viewing_environment(H2645SEIAmbientViewingEnvironment *s,
347 GetByteContext *gb)
348 {
349 static const uint16_t max_ambient_light_value = 50000;
350
351
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 9 if (bytestream2_get_bytes_left(gb) < 8)
352 ✗ return AVERROR_INVALIDDATA;
353
354 9 s->ambient_illuminance = bytestream2_get_be32u(gb);
355
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 9 if (!s->ambient_illuminance)
356 ✗ return AVERROR_INVALIDDATA;
357
358 9 s->ambient_light_x = bytestream2_get_be16u(gb);
359
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 9 if (s->ambient_light_x > max_ambient_light_value)
360 ✗ return AVERROR_INVALIDDATA;
361
362 9 s->ambient_light_y = bytestream2_get_be16u(gb);
363
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 9 if (s->ambient_light_y > max_ambient_light_value)
364 ✗ return AVERROR_INVALIDDATA;
365
366 9 s->present = 1;
367
368 9 return 0;
369 }
370
371 ✗ static int decode_film_grain_characteristics(H2645SEIFilmGrainCharacteristics *h,
372 enum AVCodecID codec_id, GetBitContext *gb)
373 {
374 ✗ h->present = !get_bits1(gb); // film_grain_characteristics_cancel_flag
375
376 ✗ if (h->present) {
377 ✗ memset(h, 0, sizeof(*h));
378 ✗ h->model_id = get_bits(gb, 2);
379 ✗ h->separate_colour_description_present_flag = get_bits1(gb);
380 ✗ if (h->separate_colour_description_present_flag) {
381 ✗ h->bit_depth_luma = get_bits(gb, 3) + 8;
382 ✗ h->bit_depth_chroma = get_bits(gb, 3) + 8;
383 ✗ h->full_range = get_bits1(gb);
384 ✗ h->color_primaries = get_bits(gb, 8);
385 ✗ h->transfer_characteristics = get_bits(gb, 8);
386 ✗ h->matrix_coeffs = get_bits(gb, 8);
387 }
388 ✗ h->blending_mode_id = get_bits(gb, 2);
389 ✗ h->log2_scale_factor = get_bits(gb, 4);
390 ✗ for (int c = 0; c < 3; c++)
391 ✗ h->comp_model_present_flag[c] = get_bits1(gb);
392 ✗ for (int c = 0; c < 3; c++) {
393 ✗ if (h->comp_model_present_flag[c]) {
394 ✗ h->num_intensity_intervals[c] = get_bits(gb, 8) + 1;
395 ✗ h->num_model_values[c] = get_bits(gb, 3) + 1;
396 ✗ if (h->num_model_values[c] > 6)
397 ✗ return AVERROR_INVALIDDATA;
398 ✗ for (int i = 0; i < h->num_intensity_intervals[c]; i++) {
399 ✗ h->intensity_interval_lower_bound[c][i] = get_bits(gb, 8);
400 ✗ h->intensity_interval_upper_bound[c][i] = get_bits(gb, 8);
401 ✗ for (int j = 0; j < h->num_model_values[c]; j++)
402 ✗ h->comp_model_value[c][i][j] = get_se_golomb_long(gb);
403 }
404 }
405 }
406 ✗ if (IS_HEVC(codec_id))
407 ✗ h->persistence_flag = get_bits1(gb);
408 else
409 ✗ h->repetition_period = get_ue_golomb_long(gb);
410
411 ✗ h->present = 1;
412 }
413
414 ✗ return 0;
415 }
416
417 18 static int decode_nal_sei_mastering_display_info(H2645SEIMasteringDisplay *s,
418 GetByteContext *gb)
419 {
420 int i;
421
422
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 18 if (bytestream2_get_bytes_left(gb) < 24)
423 ✗ return AVERROR_INVALIDDATA;
424
425 // Mastering primaries
426
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 72 for (i = 0; i < 3; i++) {
427 54 s->display_primaries[i][0] = bytestream2_get_be16u(gb);
428 54 s->display_primaries[i][1] = bytestream2_get_be16u(gb);
429 }
430 // White point (x, y)
431 18 s->white_point[0] = bytestream2_get_be16u(gb);
432 18 s->white_point[1] = bytestream2_get_be16u(gb);
433
434 // Max and min luminance of mastering display
435 18 s->max_luminance = bytestream2_get_be32u(gb);
436 18 s->min_luminance = bytestream2_get_be32u(gb);
437
438 // As this SEI message comes before the first frame that references it,
439 // initialize the flag to 2 and decrement on IRAP access unit so it
440 // persists for the coded video sequence (e.g., between two IRAPs)
441 18 s->present = 2;
442
443 18 return 0;
444 }
445
446 9 static int decode_nal_sei_content_light_info(H2645SEIContentLight *s,
447 GetByteContext *gb)
448 {
449
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 9 if (bytestream2_get_bytes_left(gb) < 4)
450 ✗ return AVERROR_INVALIDDATA;
451
452 // Max and average light levels
453 9 s->max_content_light_level = bytestream2_get_be16u(gb);
454 9 s->max_pic_average_light_level = bytestream2_get_be16u(gb);
455 // As this SEI message comes before the first frame that references it,
456 // initialize the flag to 2 and decrement on IRAP access unit so it
457 // persists for the coded video sequence (e.g., between two IRAPs)
458 9 s->present = 2;
459
460 9 return 0;
461 }
462
463 2209 int ff_h2645_sei_message_decode(H2645SEI *h, enum SEIType type,
464 enum AVCodecID codec_id, GetBitContext *gb,
465 GetByteContext *gbyte, void *logctx)
466 {
467
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 2209 switch (type) {
468 1151 case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
469 1151 return decode_registered_user_data(h, gbyte, codec_id, logctx);
470 588 case SEI_TYPE_USER_DATA_UNREGISTERED:
471 588 return decode_unregistered_user_data(&h->unregistered, gbyte, codec_id);
472 2 case SEI_TYPE_DISPLAY_ORIENTATION:
473 2 return decode_display_orientation(&h->display_orientation, gb);
474 ✗ case SEI_TYPE_FILM_GRAIN_CHARACTERISTICS:
475 ✗ return decode_film_grain_characteristics(&h->film_grain_characteristics, codec_id, gb);
476 ✗ case SEI_TYPE_FRAME_PACKING_ARRANGEMENT:
477 ✗ return decode_frame_packing_arrangement(&h->frame_packing, gb, codec_id);
478 ✗ case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
479 ✗ return decode_alternative_transfer(&h->alternative_transfer, gbyte);
480 9 case SEI_TYPE_AMBIENT_VIEWING_ENVIRONMENT:
481 9 return decode_ambient_viewing_environment(&h->ambient_viewing_environment,
482 gbyte);
483 18 case SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
484 18 return decode_nal_sei_mastering_display_info(&h->mastering_display,
485 gbyte);
486 9 case SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
487 9 return decode_nal_sei_content_light_info(&h->content_light, gbyte);
488 432 default:
489 432 return FF_H2645_SEI_MESSAGE_UNHANDLED;
490 }
491 }
492
493 94 int ff_h2645_sei_ctx_replace(H2645SEI *dst, const H2645SEI *src)
494 {
495 94 int ret = av_buffer_replace(&dst->a53_caption.buf_ref,
496 94 src->a53_caption.buf_ref);
497
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 94 if (ret < 0)
498 ✗ return ret;
499
500
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 94 for (unsigned i = 0; i < dst->unregistered.nb_buf_ref; i++)
501 ✗ av_buffer_unref(&dst->unregistered.buf_ref[i]);
502 94 dst->unregistered.nb_buf_ref = 0;
503
504
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 94 if (src->unregistered.nb_buf_ref) {
505 ✗ ret = av_reallocp_array(&dst->unregistered.buf_ref,
506 ✗ src->unregistered.nb_buf_ref,
507 sizeof(*dst->unregistered.buf_ref));
508 ✗ if (ret < 0)
509 ✗ return ret;
510
511 ✗ for (unsigned i = 0; i < src->unregistered.nb_buf_ref; i++) {
512 ✗ dst->unregistered.buf_ref[i] = av_buffer_ref(src->unregistered.buf_ref[i]);
513 ✗ if (!dst->unregistered.buf_ref[i])
514 ✗ return AVERROR(ENOMEM);
515 ✗ dst->unregistered.nb_buf_ref++;
516 }
517 }
518
519 94 return 0;
520 }
521
522 ✗ static int is_frame_packing_type_valid(SEIFpaType type, enum AVCodecID codec_id)
523 {
524 ✗ if (IS_H264(codec_id))
525 ✗ return type <= SEI_FPA_H264_TYPE_2D &&
526 type >= SEI_FPA_H264_TYPE_CHECKERBOARD;
527 else
528 ✗ return type <= SEI_FPA_TYPE_INTERLEAVE_TEMPORAL &&
529 type >= SEI_FPA_TYPE_SIDE_BY_SIDE;
530 }
531
532 34697 static int h2645_sei_to_side_data(AVCodecContext *avctx, H2645SEI *sei,
533 AVFrameSideData ***sd, int *nb_sd)
534 {
535 int ret;
536
537
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 34991 for (unsigned i = 0; i < sei->unregistered.nb_buf_ref; i++) {
538 294 H2645SEIUnregistered *unreg = &sei->unregistered;
539
540
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 294 if (unreg->buf_ref[i]) {
541 AVFrameSideData *entry =
542 294 av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED,
543 294 &unreg->buf_ref[i], 0);
544
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 294 if (!entry)
545 ✗ av_buffer_unref(&unreg->buf_ref[i]);
546 }
547 }
548 34697 sei->unregistered.nb_buf_ref = 0;
549
550
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 34697 if (sei->ambient_viewing_environment.present) {
551 10 H2645SEIAmbientViewingEnvironment *env = &sei->ambient_viewing_environment;
552 AVBufferRef *buf;
553 size_t size;
554
555 AVAmbientViewingEnvironment *dst_env =
556 10 av_ambient_viewing_environment_alloc(&size);
557
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 10 if (!dst_env)
558 ✗ return AVERROR(ENOMEM);
559
560 10 buf = av_buffer_create((uint8_t *)dst_env, size, NULL, NULL, 0);
561
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 10 if (!buf) {
562 ✗ av_free(dst_env);
563 ✗ return AVERROR(ENOMEM);
564 }
565
566 10 ret = ff_frame_new_side_data_from_buf_ext(avctx, sd, nb_sd,
567 AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT, &buf);
568
569
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 10 if (ret < 0)
570 ✗ return ret;
571
572 10 dst_env->ambient_illuminance = av_make_q(env->ambient_illuminance, 10000);
573 10 dst_env->ambient_light_x = av_make_q(env->ambient_light_x, 50000);
574 10 dst_env->ambient_light_y = av_make_q(env->ambient_light_y, 50000);
575 }
576
577
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 34697 if (sei->mastering_display.present) {
578 // HEVC uses a g,b,r ordering, which we convert to a more natural r,g,b
579 33 const int mapping[3] = {2, 0, 1};
580 33 const int chroma_den = 50000;
581 33 const int luma_den = 10000;
582 int i;
583 AVMasteringDisplayMetadata *metadata;
584
585 33 ret = ff_decode_mastering_display_new_ext(avctx, sd, nb_sd, &metadata);
586
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 33 if (ret < 0)
587 ✗ return ret;
588
589
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 33 if (metadata) {
590 23 metadata->has_luminance = 1;
591 23 metadata->has_primaries = 1;
592
593
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 92 for (i = 0; i < 3; i++) {
594 69 const int j = mapping[i];
595 69 metadata->display_primaries[i][0].num = sei->mastering_display.display_primaries[j][0];
596 69 metadata->display_primaries[i][0].den = chroma_den;
597
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 138 metadata->has_primaries &= sei->mastering_display.display_primaries[j][0] >= 5 &&
598
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 69 sei->mastering_display.display_primaries[j][0] <= 37000;
599
600 69 metadata->display_primaries[i][1].num = sei->mastering_display.display_primaries[j][1];
601 69 metadata->display_primaries[i][1].den = chroma_den;
602
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 138 metadata->has_primaries &= sei->mastering_display.display_primaries[j][1] >= 5 &&
603
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 69 sei->mastering_display.display_primaries[j][1] <= 42000;
604 }
605 23 metadata->white_point[0].num = sei->mastering_display.white_point[0];
606 23 metadata->white_point[0].den = chroma_den;
607
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 46 metadata->has_primaries &= sei->mastering_display.white_point[0] >= 5 &&
608
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 23 sei->mastering_display.white_point[0] <= 37000;
609
610 23 metadata->white_point[1].num = sei->mastering_display.white_point[1];
611 23 metadata->white_point[1].den = chroma_den;
612
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 46 metadata->has_primaries &= sei->mastering_display.white_point[1] >= 5 &&
613
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 23 sei->mastering_display.white_point[1] <= 42000;
614
615 23 metadata->max_luminance.num = sei->mastering_display.max_luminance;
616 23 metadata->max_luminance.den = luma_den;
617
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 46 metadata->has_luminance &= sei->mastering_display.max_luminance >= 50000 &&
618
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 23 sei->mastering_display.max_luminance <= 100000000;
619
620 23 metadata->min_luminance.num = sei->mastering_display.min_luminance;
621 23 metadata->min_luminance.den = luma_den;
622
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 46 metadata->has_luminance &= sei->mastering_display.min_luminance <= 50000 &&
623 23 sei->mastering_display.min_luminance <
624
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 23 sei->mastering_display.max_luminance;
625
626 /* Real (blu-ray) releases in the wild come with minimum luminance
627 * values of 0.000 cd/m2, so permit this edge case */
628
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 23 if (avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT)
629 ✗ metadata->has_luminance &= sei->mastering_display.min_luminance >= 1;
630
631
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 23 if (metadata->has_luminance || metadata->has_primaries)
632 23 av_log(avctx, AV_LOG_DEBUG, "Mastering Display Metadata:\n");
633
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 23 if (metadata->has_primaries) {
634 23 av_log(avctx, AV_LOG_DEBUG,
635 "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f)\n",
636 23 av_q2d(metadata->display_primaries[0][0]),
637 23 av_q2d(metadata->display_primaries[0][1]),
638 23 av_q2d(metadata->display_primaries[1][0]),
639 23 av_q2d(metadata->display_primaries[1][1]),
640 23 av_q2d(metadata->display_primaries[2][0]),
641 23 av_q2d(metadata->display_primaries[2][1]),
642 23 av_q2d(metadata->white_point[0]), av_q2d(metadata->white_point[1]));
643 }
644
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 23 if (metadata->has_luminance) {
645 22 av_log(avctx, AV_LOG_DEBUG,
646 "min_luminance=%f, max_luminance=%f\n",
647 22 av_q2d(metadata->min_luminance), av_q2d(metadata->max_luminance));
648 }
649 }
650 }
651
652
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 34697 if (sei->content_light.present) {
653 AVContentLightMetadata *metadata;
654
655 6 ret = ff_decode_content_light_new_ext(avctx, sd, nb_sd, &metadata);
656
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 6 if (ret < 0)
657 ✗ return ret;
658
659
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 6 if (metadata) {
660 6 metadata->MaxCLL = sei->content_light.max_content_light_level;
661 6 metadata->MaxFALL = sei->content_light.max_pic_average_light_level;
662
663 6 av_log(avctx, AV_LOG_DEBUG, "Content Light Level Metadata:\n");
664 6 av_log(avctx, AV_LOG_DEBUG, "MaxCLL=%d, MaxFALL=%d\n",
665 6 metadata->MaxCLL, metadata->MaxFALL);
666 }
667 }
668
669 34697 return 0;
670 }
671
672 34464 int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei,
673 enum AVCodecID codec_id,
674 AVCodecContext *avctx, const H2645VUI *vui,
675 unsigned bit_depth_luma, unsigned bit_depth_chroma,
676 int seed)
677 {
678 34464 H2645SEIFramePacking *fp = &sei->frame_packing;
679 int ret;
680
681
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 34464 if (fp->present &&
682 ✗ is_frame_packing_type_valid(fp->arrangement_type, codec_id) &&
683 ✗ fp->content_interpretation_type > 0 &&
684 ✗ fp->content_interpretation_type < 3) {
685 ✗ AVStereo3D *stereo = av_stereo3d_create_side_data(frame);
686
687 ✗ if (!stereo)
688 ✗ return AVERROR(ENOMEM);
689
690 ✗ switch (fp->arrangement_type) {
691 #if CONFIG_H264_SEI
692 ✗ case SEI_FPA_H264_TYPE_CHECKERBOARD:
693 ✗ stereo->type = AV_STEREO3D_CHECKERBOARD;
694 ✗ break;
695 ✗ case SEI_FPA_H264_TYPE_INTERLEAVE_COLUMN:
696 ✗ stereo->type = AV_STEREO3D_COLUMNS;
697 ✗ break;
698 ✗ case SEI_FPA_H264_TYPE_INTERLEAVE_ROW:
699 ✗ stereo->type = AV_STEREO3D_LINES;
700 ✗ break;
701 #endif
702 ✗ case SEI_FPA_TYPE_SIDE_BY_SIDE:
703 ✗ if (fp->quincunx_sampling_flag)
704 ✗ stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
705 else
706 ✗ stereo->type = AV_STEREO3D_SIDEBYSIDE;
707 ✗ break;
708 ✗ case SEI_FPA_TYPE_TOP_BOTTOM:
709 ✗ stereo->type = AV_STEREO3D_TOPBOTTOM;
710 ✗ break;
711 ✗ case SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
712 ✗ stereo->type = AV_STEREO3D_FRAMESEQUENCE;
713 ✗ break;
714 #if CONFIG_H264_SEI
715 ✗ case SEI_FPA_H264_TYPE_2D:
716 ✗ stereo->type = AV_STEREO3D_2D;
717 ✗ break;
718 #endif
719 }
720
721 ✗ if (fp->content_interpretation_type == 2)
722 ✗ stereo->flags = AV_STEREO3D_FLAG_INVERT;
723
724 ✗ if (fp->arrangement_type == SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
725 ✗ if (fp->current_frame_is_frame0_flag)
726 ✗ stereo->view = AV_STEREO3D_VIEW_LEFT;
727 else
728 ✗ stereo->view = AV_STEREO3D_VIEW_RIGHT;
729 }
730 }
731
732
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 34464 if (sei->display_orientation.present &&
733
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 1 (sei->display_orientation.anticlockwise_rotation ||
734
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 1 sei->display_orientation.hflip ||
735
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 1 sei->display_orientation.vflip)) {
736 ✗ H2645SEIDisplayOrientation *o = &sei->display_orientation;
737 ✗ double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
738 ✗ AVFrameSideData *rotation = av_frame_new_side_data(frame,
739 AV_FRAME_DATA_DISPLAYMATRIX,
740 sizeof(int32_t) * 9);
741 ✗ if (!rotation)
742 ✗ return AVERROR(ENOMEM);
743
744 /* av_display_rotation_set() expects the angle in the clockwise
745 * direction, hence the first minus.
746 * The below code applies the flips after the rotation, yet
747 * the H.2645 specs require flipping to be applied first.
748 * Because of R O(phi) = O(-phi) R (where R is flipping around
749 * an arbitatry axis and O(phi) is the proper rotation by phi)
750 * we can create display matrices as desired by negating
751 * the degree once for every flip applied. */
752 ✗ angle = -angle * (1 - 2 * !!o->hflip) * (1 - 2 * !!o->vflip);
753 ✗ av_display_rotation_set((int32_t *)rotation->data, angle);
754 ✗ av_display_matrix_flip((int32_t *)rotation->data,
755 o->hflip, o->vflip);
756 }
757
758
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 34464 if (sei->a53_caption.buf_ref) {
759 1 H2645SEIA53Caption *a53 = &sei->a53_caption;
760 1 AVFrameSideData *sd = av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, a53->buf_ref);
761
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 1 if (!sd)
762 ✗ av_buffer_unref(&a53->buf_ref);
763 1 a53->buf_ref = NULL;
764 1 avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
765 }
766
767 34464 ret = h2645_sei_to_side_data(avctx, sei, &frame->side_data, &frame->nb_side_data);
768
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 34464 if (ret < 0)
769 ✗ return ret;
770
771
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 34464 if (sei->afd.present) {
772 324 AVFrameSideData *sd = av_frame_new_side_data(frame, AV_FRAME_DATA_AFD,
773 sizeof(uint8_t));
774
775
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 324 if (sd) {
776 324 *sd->data = sei->afd.active_format_description;
777 324 sei->afd.present = 0;
778 }
779 }
780
781
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 34464 if (sei->film_grain_characteristics.present) {
782 ✗ H2645SEIFilmGrainCharacteristics *fgc = &sei->film_grain_characteristics;
783 ✗ AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame);
784 AVFilmGrainH274Params *h274;
785
786 ✗ if (!fgp)
787 ✗ return AVERROR(ENOMEM);
788
789 ✗ fgp->type = AV_FILM_GRAIN_PARAMS_H274;
790 ✗ h274 = &fgp->codec.h274;
791
792 ✗ fgp->seed = seed;
793 ✗ fgp->width = frame->width;
794 ✗ fgp->height = frame->height;
795
796 /* H.274 mandates film grain be applied to 4:4:4 frames */
797 ✗ fgp->subsampling_x = fgp->subsampling_y = 0;
798
799 ✗ h274->model_id = fgc->model_id;
800 ✗ if (fgc->separate_colour_description_present_flag) {
801 ✗ fgp->bit_depth_luma = fgc->bit_depth_luma;
802 ✗ fgp->bit_depth_chroma = fgc->bit_depth_chroma;
803 ✗ fgp->color_range = fgc->full_range + 1;
804 ✗ fgp->color_primaries = fgc->color_primaries;
805 ✗ fgp->color_trc = fgc->transfer_characteristics;
806 ✗ fgp->color_space = fgc->matrix_coeffs;
807 } else {
808 ✗ fgp->bit_depth_luma = bit_depth_luma;
809 ✗ fgp->bit_depth_chroma = bit_depth_chroma;
810 ✗ if (vui->video_signal_type_present_flag)
811 ✗ fgp->color_range = vui->video_full_range_flag + 1;
812 ✗ if (vui->colour_description_present_flag) {
813 ✗ fgp->color_primaries = vui->colour_primaries;
814 ✗ fgp->color_trc = vui->transfer_characteristics;
815 ✗ fgp->color_space = vui->matrix_coeffs;
816 }
817 }
818 ✗ h274->blending_mode_id = fgc->blending_mode_id;
819 ✗ h274->log2_scale_factor = fgc->log2_scale_factor;
820
821 #if FF_API_H274_FILM_GRAIN_VCS
822 FF_DISABLE_DEPRECATION_WARNINGS
823 ✗ h274->bit_depth_luma = fgp->bit_depth_luma;
824 ✗ h274->bit_depth_chroma = fgp->bit_depth_chroma;
825 ✗ h274->color_range = fgp->color_range;
826 ✗ h274->color_primaries = fgp->color_primaries;
827 ✗ h274->color_trc = fgp->color_trc;
828 ✗ h274->color_space = fgp->color_space;
829 FF_ENABLE_DEPRECATION_WARNINGS
830 #endif
831
832 ✗ memcpy(&h274->component_model_present, &fgc->comp_model_present_flag,
833 sizeof(h274->component_model_present));
834 ✗ memcpy(&h274->num_intensity_intervals, &fgc->num_intensity_intervals,
835 sizeof(h274->num_intensity_intervals));
836 ✗ memcpy(&h274->num_model_values, &fgc->num_model_values,
837 sizeof(h274->num_model_values));
838 ✗ memcpy(&h274->intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
839 sizeof(h274->intensity_interval_lower_bound));
840 ✗ memcpy(&h274->intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
841 sizeof(h274->intensity_interval_upper_bound));
842 ✗ memcpy(&h274->comp_model_value, &fgc->comp_model_value,
843 sizeof(h274->comp_model_value));
844
845 ✗ if (IS_H264(codec_id))
846 ✗ fgc->present = !!fgc->repetition_period;
847 else
848 ✗ fgc->present = fgc->persistence_flag;
849
850 ✗ avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
851 }
852
853 #if CONFIG_HEVC_SEI
854 34464 ret = ff_aom_attach_film_grain_sets(&sei->aom_film_grain, frame);
855
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 34464 if (ret < 0)
856 ✗ return ret;
857 #endif
858
859 34464 return 0;
860 }
861
862 233 int ff_h2645_sei_to_context(AVCodecContext *avctx, H2645SEI *sei)
863 {
864 233 return h2645_sei_to_side_data(avctx, sei, &avctx->decoded_side_data,
865 &avctx->nb_decoded_side_data);
866 }
867
868 73382 void ff_h2645_sei_reset(H2645SEI *s)
869 {
870 73382 av_buffer_unref(&s->a53_caption.buf_ref);
871
872
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 73676 for (unsigned i = 0; i < s->unregistered.nb_buf_ref; i++)
873 294 av_buffer_unref(&s->unregistered.buf_ref[i]);
874 73382 s->unregistered.nb_buf_ref = 0;
875 73382 av_freep(&s->unregistered.buf_ref);
876 73382 av_buffer_unref(&s->dynamic_hdr_plus.info);
877 73382 av_buffer_unref(&s->dynamic_hdr_vivid.info);
878
879 73382 s->ambient_viewing_environment.present = 0;
880 73382 s->mastering_display.present = 0;
881 73382 s->content_light.present = 0;
882 73382 s->aom_film_grain.enable = 0;
883 73382 }
884