FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/options.c
Date: 2026-07-18 19:31:15
Exec Total Coverage
Lines: 187 259 72.2%
Functions: 16 19 84.2%
Branches: 102 147 69.4%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include "avformat.h"
21 #include "avformat_internal.h"
22 #include "avio_internal.h"
23 #include "demux.h"
24 #include "internal.h"
25
26 #include "libavcodec/avcodec.h"
27 #include "libavcodec/codec_par.h"
28
29 #include "libavutil/attributes.h"
30 #include "libavutil/avassert.h"
31 #include "libavutil/iamf.h"
32 #include "libavutil/internal.h"
33 #include "libavutil/intmath.h"
34 #include "libavutil/mem.h"
35 #include "libavutil/opt.h"
36
37 /**
38 * @file
39 * Options definition for AVFormatContext.
40 */
41
42 FF_DISABLE_DEPRECATION_WARNINGS
43 #include "options_table.h"
44 FF_ENABLE_DEPRECATION_WARNINGS
45
46 2815 static const char* format_to_name(void* ptr)
47 {
48 2815 AVFormatContext* fc = (AVFormatContext*) ptr;
49
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 2815 if (fc->name) return fc->name;
50
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 1185 else if(fc->iformat) return fc->iformat->name;
51
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 1016 else if(fc->oformat) return fc->oformat->name;
52 ✗ else return fc->av_class->class_name;
53 }
54
55 59753 static void *format_child_next(void *obj, void *prev)
56 {
57 59753 AVFormatContext *s = obj;
58
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 59753 if (!prev && s->priv_data &&
59
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 23934 ((s->iformat && s->iformat->priv_class) ||
60
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 2879 s->oformat && s->oformat->priv_class))
61 21057 return s->priv_data;
62
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 38696 if (s->pb && s->pb->av_class && prev != s->pb)
63 14556 return s->pb;
64 24140 return NULL;
65 }
66
67 enum {
68 CHILD_CLASS_ITER_AVIO = 0,
69 CHILD_CLASS_ITER_MUX,
70 CHILD_CLASS_ITER_DEMUX,
71 CHILD_CLASS_ITER_DONE,
72
73 };
74
75 #define ITER_STATE_SHIFT 16
76
77 29753207 static const AVClass *format_child_class_iterate(void **iter)
78 {
79 // we use the low 16 bits of iter as the value to be passed to
80 // av_(de)muxer_iterate()
81 29753207 void *val = (void*)(((uintptr_t)*iter) & ((1 << ITER_STATE_SHIFT) - 1));
82 29753207 unsigned int state = ((uintptr_t)*iter) >> ITER_STATE_SHIFT;
83 29753207 const AVClass *ret = NULL;
84
85
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 29753207 if (state == CHILD_CLASS_ITER_AVIO) {
86 121641 ret = &ff_avio_class;
87 121641 state++;
88 121641 goto finish;
89 }
90
91
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 29631566 if (state == CHILD_CLASS_ITER_MUX) {
92 const AVOutputFormat *ofmt;
93
94
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 23088040 while ((ofmt = av_muxer_iterate(&val))) {
95 22966606 ret = ofmt->priv_class;
96
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 22966606 if (ret)
97 9234860 goto finish;
98 }
99
100 121434 val = NULL;
101 121434 state++;
102 }
103
104
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 20396706 if (state == CHILD_CLASS_ITER_DEMUX) {
105 const AVInputFormat *ifmt;
106
107
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 44679238 while ((ifmt = av_demuxer_iterate(&val))) {
108 44557850 ret = ifmt->priv_class;
109
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 44557850 if (ret)
110 20275318 goto finish;
111 }
112 121388 val = NULL;
113 121388 state++;
114 }
115
116 ✗ finish:
117 // make sure none av_(de)muxer_iterate does not set the high bits of val
118
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 29753207 av_assert0(!((uintptr_t)val >> ITER_STATE_SHIFT));
119 29753207 *iter = (void*)((uintptr_t)val | (state << ITER_STATE_SHIFT));
120 29753207 return ret;
121 }
122
123 2815 static AVClassCategory get_category(void *ptr)
124 {
125 2815 AVFormatContext* s = ptr;
126
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 2815 if(s->iformat) return AV_CLASS_CATEGORY_DEMUXER;
127 1016 else return AV_CLASS_CATEGORY_MUXER;
128 }
129
130 static const AVClass av_format_context_class = {
131 .class_name = "AVFormatContext",
132 .item_name = format_to_name,
133 .option = avformat_options,
134 .version = LIBAVUTIL_VERSION_INT,
135 .child_next = format_child_next,
136 .child_class_iterate = format_child_class_iterate,
137 .category = AV_CLASS_CATEGORY_MUXER,
138 .get_category = get_category,
139 };
140
141 124397 static int io_open_default(AVFormatContext *s, AVIOContext **pb,
142 const char *url, int flags, AVDictionary **options)
143 {
144 int loglevel;
145
146
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 124397 if (!strcmp(url, s->url) ||
147
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 119473 s->iformat && !strcmp(s->iformat->name, "image2") ||
148
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 1005 s->oformat && !strcmp(s->oformat->name, "image2")
149 ) {
150 124058 loglevel = AV_LOG_DEBUG;
151 } else
152 339 loglevel = AV_LOG_INFO;
153
154
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 124397 av_log(s, loglevel, "Opening \'%s\' for %s\n", url, flags & AVIO_FLAG_WRITE ? "writing" : "reading");
155
156 124397 return ffio_open_whitelist(pb, url, flags, &s->interrupt_callback, options, s->protocol_whitelist, s->protocol_blacklist);
157 }
158
159 124396 static int io_close2_default(AVFormatContext *s, AVIOContext *pb)
160 {
161 124396 return avio_close(pb);
162 }
163
164 16915 AVFormatContext *avformat_alloc_context(void)
165 {
166 FormatContextInternal *fci;
167 FFFormatContext *si;
168 AVFormatContext *s;
169
170 16915 fci = av_mallocz(sizeof(*fci));
171
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 16915 if (!fci)
172 ✗ return NULL;
173
174 16915 si = &fci->fc;
175 16915 s = &si->pub;
176 16915 s->av_class = &av_format_context_class;
177 16915 s->io_open = io_open_default;
178 16915 s->io_close2= io_close2_default;
179
180 16915 av_opt_set_defaults(s);
181
182 16915 si->pkt = av_packet_alloc();
183 16915 si->parse_pkt = av_packet_alloc();
184
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 16915 if (!si->pkt || !si->parse_pkt) {
185 ✗ avformat_free_context(s);
186 ✗ return NULL;
187 }
188
189 16915 return s;
190 }
191
192 136910 const AVClass *avformat_get_class(void)
193 {
194 136910 return &av_format_context_class;
195 }
196
197 #define DISPOSITION_OPT(ctx) \
198 { "disposition", NULL, offsetof(ctx, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, \
199 .flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" }, \
200 { "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" }, \
201 { "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" }, \
202 { "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" }, \
203 { "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" }, \
204 { "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" }, \
205 { "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" }, \
206 { "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" }, \
207 { "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" }, \
208 { "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" }, \
209 { "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" }, \
210 { "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" }, \
211 { "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" }, \
212 { "non_diegetic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_NON_DIEGETIC }, .unit = "disposition" }, \
213 { "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" }, \
214 { "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" }, \
215 { "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" }, \
216 { "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" }, \
217 { "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" }, \
218 { "multilayer", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_MULTILAYER }, .unit = "disposition" }
219
220 static const AVOption stream_options[] = {
221 DISPOSITION_OPT(AVStream),
222 { "discard", NULL, offsetof(AVStream, discard), AV_OPT_TYPE_INT, { .i64 = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX,
223 .flags = AV_OPT_FLAG_DECODING_PARAM, .unit = "avdiscard" },
224 { "none", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONE }, .unit = "avdiscard" },
225 { "default", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_DEFAULT }, .unit = "avdiscard" },
226 { "noref", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONREF }, .unit = "avdiscard" },
227 { "bidir", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_BIDIR }, .unit = "avdiscard" },
228 { "nointra", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONINTRA }, .unit = "avdiscard" },
229 { "nokey", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONKEY }, .unit = "avdiscard" },
230 { "all", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_ALL }, .unit = "avdiscard" },
231 { NULL }
232 };
233
234 static const AVClass stream_class = {
235 .class_name = "AVStream",
236 .item_name = av_default_item_name,
237 .version = LIBAVUTIL_VERSION_INT,
238 .option = stream_options,
239 };
240
241 1 const AVClass *av_stream_get_class(void)
242 {
243 1 return &stream_class;
244 }
245
246 18336 AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
247 {
248 FFStream *sti;
249 AVStream *st;
250 AVStream **streams;
251
252
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 18336 if (s->nb_streams >= s->max_streams) {
253 ✗ av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams parameter"
254 " (%d), see the documentation if you wish to increase it\n",
255 s->max_streams);
256 ✗ return NULL;
257 }
258 18336 streams = av_realloc_array(s->streams, s->nb_streams + 1, sizeof(*streams));
259
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 18336 if (!streams)
260 ✗ return NULL;
261 18336 s->streams = streams;
262
263 18336 sti = av_mallocz(sizeof(*sti));
264
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 18336 if (!sti)
265 ✗ return NULL;
266 18336 st = &sti->pub;
267
268 18336 st->av_class = &stream_class;
269 18336 st->codecpar = avcodec_parameters_alloc();
270
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 18336 if (!st->codecpar)
271 ✗ goto fail;
272
273 18336 sti->fmtctx = s;
274
275 18336 sti->parse_pkt = av_packet_alloc();
276
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 18336 if (!sti->parse_pkt)
277 ✗ goto fail;
278
279
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 18336 if (s->iformat) {
280 9006 sti->avctx = avcodec_alloc_context3(NULL);
281
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 9006 if (!sti->avctx)
282 ✗ goto fail;
283
284 9006 sti->info = av_mallocz(sizeof(*sti->info));
285
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 9006 if (!sti->info)
286 ✗ goto fail;
287
288 #if FF_API_R_FRAME_RATE
289 9006 sti->info->last_dts = AV_NOPTS_VALUE;
290 #endif
291 9006 sti->info->fps_first_dts = AV_NOPTS_VALUE;
292 9006 sti->info->fps_last_dts = AV_NOPTS_VALUE;
293
294 /* default pts setting is MPEG-like */
295 9006 avpriv_set_pts_info(st, 33, 1, 90000);
296 /* we set the current DTS to 0 so that formats without any timestamps
297 * but durations get some timestamps, formats with some unknown
298 * timestamps have their first few packets buffered and the
299 * timestamps corrected before they are returned to the user */
300 9006 sti->cur_dts = RELATIVE_TS_BASE;
301 } else {
302 9330 sti->cur_dts = AV_NOPTS_VALUE;
303 }
304
305 18336 st->index = s->nb_streams;
306 18336 st->start_time = AV_NOPTS_VALUE;
307 18336 st->duration = AV_NOPTS_VALUE;
308 18336 sti->first_dts = AV_NOPTS_VALUE;
309 18336 sti->probe_packets = s->max_probe_packets;
310 18336 sti->pts_wrap_reference = AV_NOPTS_VALUE;
311 18336 sti->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
312
313 18336 sti->last_IP_pts = AV_NOPTS_VALUE;
314 18336 sti->last_dts_for_order_check = AV_NOPTS_VALUE;
315
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 330048 for (int i = 0; i < MAX_REORDER_DELAY + 1; i++)
316 311712 sti->pts_buffer[i] = AV_NOPTS_VALUE;
317
318 18336 st->sample_aspect_ratio = (AVRational) { 0, 1 };
319
320 18336 sti->need_context_update = 1;
321
322 18336 s->streams[s->nb_streams++] = st;
323 18336 return st;
324 ✗ fail:
325 ✗ ff_free_stream(&st);
326 ✗ return NULL;
327 }
328
329 #define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
330 #define OFFSET(x) offsetof(AVStreamGroupTileGrid, x)
331 static const AVOption tile_grid_options[] = {
332 { "grid_size", "size of the output canvas", OFFSET(coded_width),
333 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
334 { "output_size", "size of valid pixels in output image meant for presentation", OFFSET(width),
335 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
336 { "background_color", "set a background color for unused pixels",
337 OFFSET(background), AV_OPT_TYPE_COLOR, { .str = "black"}, 0, 0, FLAGS },
338 { "horizontal_offset", NULL, OFFSET(horizontal_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
339 { "vertical_offset", NULL, OFFSET(vertical_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
340 { NULL },
341 };
342 #undef OFFSET
343
344 static const AVClass tile_grid_class = {
345 .class_name = "AVStreamGroupTileGrid",
346 .version = LIBAVUTIL_VERSION_INT,
347 .option = tile_grid_options,
348 };
349
350 #define OFFSET(x) offsetof(AVStreamGroupTREF, x)
351 static const AVOption tref_options[] = {
352 { "metadata_index", "Index of the data stream within the group", OFFSET(metadata_index),
353 AV_OPT_TYPE_UINT, { .i64 = 0 }, 0, UINT_MAX, FLAGS },
354 { NULL },
355 };
356 #undef OFFSET
357
358 static const AVClass tref_class = {
359 .class_name = "AVStreamGroupTREF",
360 .version = LIBAVUTIL_VERSION_INT,
361 .option = tref_options,
362 };
363
364 #if FF_API_LCEVC_STRUCT
365 FF_DISABLE_DEPRECATION_WARNINGS
366 #endif
367 #define OFFSET(x) offsetof(AVStreamGroupLayeredVideo, x)
368 static const AVOption layered_video_options[] = {
369 #if FF_API_LCEVC_STRUCT
370 { "lcevc_index", "Index of the LCEVC stream within the group", OFFSET(lcevc_index),
371 AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS | AV_OPT_FLAG_DEPRECATED },
372 #endif
373 { "el_index", "Index of the enhancement layer stream within the group", OFFSET(el_index),
374 AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
375 { "video_size", "size of the final layered video presentation", OFFSET(width),
376 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
377 { NULL },
378 };
379 #if FF_API_LCEVC_STRUCT
380 FF_ENABLE_DEPRECATION_WARNINGS
381 #endif
382 #undef OFFSET
383
384 static const AVClass layered_video_class = {
385 .class_name = "AVStreamGroupLayeredVideo",
386 .version = LIBAVUTIL_VERSION_INT,
387 .option = layered_video_options,
388 };
389
390 204 static void *stream_group_child_next(void *obj, void *prev)
391 {
392 204 AVStreamGroup *stg = obj;
393
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 204 if (!prev) {
394
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 115 switch(stg->type) {
395 59 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
396 59 return stg->params.iamf_audio_element;
397 56 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
398 56 return stg->params.iamf_mix_presentation;
399 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
400 ✗ return stg->params.tile_grid;
401 ✗ case AV_STREAM_GROUP_PARAMS_TREF:
402 ✗ return stg->params.tref;
403 ✗ case AV_STREAM_GROUP_PARAMS_LCEVC:
404 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
405 ✗ return stg->params.layered_video;
406 ✗ default:
407 ✗ break;
408 }
409 }
410 89 return NULL;
411 }
412
413 #undef FLAGS
414
415 ✗ static const AVClass *stream_group_child_iterate(void **opaque)
416 {
417 ✗ uintptr_t i = (uintptr_t)*opaque;
418 ✗ const AVClass *ret = NULL;
419
420 ✗ switch(i) {
421 ✗ case AV_STREAM_GROUP_PARAMS_NONE:
422 ✗ i++;
423 av_fallthrough;
424 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
425 ✗ ret = av_iamf_audio_element_get_class();
426 ✗ break;
427 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
428 ✗ ret = av_iamf_mix_presentation_get_class();
429 ✗ break;
430 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
431 ✗ ret = &tile_grid_class;
432 ✗ break;
433 ✗ case AV_STREAM_GROUP_PARAMS_TREF:
434 ✗ ret = &tref_class;
435 ✗ break;
436 ✗ case AV_STREAM_GROUP_PARAMS_LCEVC:
437 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
438 ✗ ret = &layered_video_class;
439 ✗ break;
440 ✗ default:
441 ✗ break;
442 }
443
444 ✗ if (ret)
445 ✗ *opaque = (void*)(i + 1);
446 ✗ return ret;
447 }
448
449 static const AVOption stream_group_options[] = {
450 DISPOSITION_OPT(AVStreamGroup),
451 {"id", "Set group id", offsetof(AVStreamGroup, id), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, AV_OPT_FLAG_ENCODING_PARAM },
452 { NULL }
453 };
454
455 static const AVClass stream_group_class = {
456 .class_name = "AVStreamGroup",
457 .item_name = av_default_item_name,
458 .version = LIBAVUTIL_VERSION_INT,
459 .option = stream_group_options,
460 .child_next = stream_group_child_next,
461 .child_class_iterate = stream_group_child_iterate,
462 };
463
464 ✗ const AVClass *av_stream_group_get_class(void)
465 {
466 ✗ return &stream_group_class;
467 }
468
469 147 AVStreamGroup *avformat_stream_group_create(AVFormatContext *s,
470 enum AVStreamGroupParamsType type,
471 AVDictionary **options)
472 {
473 AVStreamGroup **stream_groups;
474 AVStreamGroup *stg;
475 FFStreamGroup *stgi;
476
477 147 stream_groups = av_realloc_array(s->stream_groups, s->nb_stream_groups + 1,
478 sizeof(*stream_groups));
479
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 147 if (!stream_groups)
480 ✗ return NULL;
481 147 s->stream_groups = stream_groups;
482
483 147 stgi = av_mallocz(sizeof(*stgi));
484
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 147 if (!stgi)
485 ✗ return NULL;
486 147 stg = &stgi->pub;
487
488 147 stg->av_class = &stream_group_class;
489 147 av_opt_set_defaults(stg);
490 147 stg->type = type;
491
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 147 switch (type) {
492 52 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
493 52 stg->params.iamf_audio_element = av_iamf_audio_element_alloc();
494
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 52 if (!stg->params.iamf_audio_element)
495 ✗ goto fail;
496 52 break;
497 49 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
498 49 stg->params.iamf_mix_presentation = av_iamf_mix_presentation_alloc();
499
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 49 if (!stg->params.iamf_mix_presentation)
500 ✗ goto fail;
501 49 break;
502 9 case AV_STREAM_GROUP_PARAMS_TILE_GRID:
503 9 stg->params.tile_grid = av_mallocz(sizeof(*stg->params.tile_grid));
504
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 9 if (!stg->params.tile_grid)
505 ✗ goto fail;
506 9 stg->params.tile_grid->av_class = &tile_grid_class;
507 9 av_opt_set_defaults(stg->params.tile_grid);
508 9 break;
509 29 case AV_STREAM_GROUP_PARAMS_TREF:
510 29 stg->params.tref = av_mallocz(sizeof(*stg->params.tref));
511
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 29 if (!stg->params.tref)
512 ✗ goto fail;
513 29 stg->params.tref->av_class = &tref_class;
514 29 av_opt_set_defaults(stg->params.tref);
515 29 break;
516 8 case AV_STREAM_GROUP_PARAMS_LCEVC:
517 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
518 8 stg->params.layered_video = av_mallocz(sizeof(*stg->params.layered_video));
519
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 8 if (!stg->params.layered_video)
520 ✗ goto fail;
521 8 stg->params.layered_video->av_class = &layered_video_class;
522 8 av_opt_set_defaults(stg->params.layered_video);
523 8 break;
524 ✗ default:
525 ✗ goto fail;
526 }
527
528
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 147 if (options) {
529
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 27 if (av_opt_set_dict2(stg, options, AV_OPT_SEARCH_CHILDREN))
530 ✗ goto fail;
531 }
532
533 147 stgi->fmtctx = s;
534 147 stg->index = s->nb_stream_groups;
535
536 147 s->stream_groups[s->nb_stream_groups++] = stg;
537
538 147 return stg;
539 ✗ fail:
540 ✗ ff_free_stream_group(&stg);
541 ✗ return NULL;
542 }
543
544 570 static int stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
545 {
546 570 AVStream **streams = av_realloc_array(stg->streams, stg->nb_streams + 1,
547 sizeof(*stg->streams));
548
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 570 if (!streams)
549 ✗ return AVERROR(ENOMEM);
550
551 570 stg->streams = streams;
552 570 stg->streams[stg->nb_streams++] = st;
553
554 570 return 0;
555 }
556
557 576 int avformat_stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
558 {
559 576 const FFStreamGroup *stgi = cffstreamgroup(stg);
560 576 const FFStream *sti = cffstream(st);
561
562
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 576 if (stgi->fmtctx != sti->fmtctx)
563 ✗ return AVERROR(EINVAL);
564
565
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 1775 for (int i = 0; i < stg->nb_streams; i++)
566
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 1205 if (stg->streams[i]->index == st->index)
567 6 return AVERROR(EEXIST);
568
569 570 return stream_group_add_stream(stg, st);
570 }
571
572 161320 static int option_is_disposition(const AVOption *opt)
573 {
574 309912 return opt->type == AV_OPT_TYPE_CONST &&
575
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 161320 opt->unit && !strcmp(opt->unit, "disposition");
576 }
577
578 ✗ int av_disposition_from_string(const char *disp)
579 {
580 ✗ for (const AVOption *opt = stream_options; opt->name; opt++)
581 ✗ if (option_is_disposition(opt) && !strcmp(disp, opt->name))
582 ✗ return opt->default_val.i64;
583 ✗ return AVERROR(EINVAL);
584 }
585
586 9472 const char *av_disposition_to_string(int disposition)
587 {
588 int val;
589
590
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 9472 if (disposition <= 0)
591 296 return NULL;
592
593 9176 val = 1 << ff_ctz(disposition);
594
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 164872 for (const AVOption *opt = stream_options; opt->name; opt++)
595
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 161320 if (option_is_disposition(opt) && opt->default_val.i64 == val)
596 5624 return opt->name;
597
598 3552 return NULL;
599 }
600