FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/options.c
Date: 2026-08-26 22:09:26
Exec Total Coverage
Lines: 189 260 72.7%
Functions: 16 19 84.2%
Branches: 103 147 70.1%
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 2813 static const char* format_to_name(void* ptr)
47 {
48 2813 AVFormatContext* fc = (AVFormatContext*) ptr;
49
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 2813 if (fc->name) return fc->name;
50
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 1189 else if(fc->iformat) return fc->iformat->name;
51
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 1018 else if(fc->oformat) return fc->oformat->name;
52 1 else return fc->av_class->class_name;
53 }
54
55 60228 static void *format_child_next(void *obj, void *prev)
56 {
57 60228 AVFormatContext *s = obj;
58
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 60228 if (!prev && s->priv_data &&
59
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 24089 ((s->iformat && s->iformat->priv_class) ||
60
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 2887 s->oformat && s->oformat->priv_class))
61 21204 return s->priv_data;
62
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 39024 if (s->pb && s->pb->av_class && prev != s->pb)
63 14708 return s->pb;
64 24316 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 29815551 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 29815551 void *val = (void*)(((uintptr_t)*iter) & ((1 << ITER_STATE_SHIFT) - 1));
82 29815551 unsigned int state = ((uintptr_t)*iter) >> ITER_STATE_SHIFT;
83 29815551 const AVClass *ret = NULL;
84
85
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 29815551 if (state == CHILD_CLASS_ITER_AVIO) {
86 121899 ret = &ff_avio_class;
87 121899 state++;
88 121899 goto finish;
89 }
90
91
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 29693652 if (state == CHILD_CLASS_ITER_MUX) {
92 const AVOutputFormat *ofmt;
93
94
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 23136592 while ((ofmt = av_muxer_iterate(&val))) {
95 23014904 ret = ofmt->priv_class;
96
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 23014904 if (ret)
97 9254274 goto finish;
98 }
99
100 121688 val = NULL;
101 121688 state++;
102 }
103
104
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 20439378 if (state == CHILD_CLASS_ITER_DEMUX) {
105 const AVInputFormat *ifmt;
106
107
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 44772710 while ((ifmt = av_demuxer_iterate(&val))) {
108 44651068 ret = ifmt->priv_class;
109
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 44651068 if (ret)
110 20317736 goto finish;
111 }
112 121642 val = NULL;
113 121642 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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 29815551 av_assert0(!((uintptr_t)val >> ITER_STATE_SHIFT));
119 29815551 *iter = (void*)((uintptr_t)val | (state << ITER_STATE_SHIFT));
120 29815551 return ret;
121 }
122
123 2813 static AVClassCategory get_category(void *ptr)
124 {
125 2813 AVFormatContext* s = ptr;
126
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 2813 if(s->iformat) return AV_CLASS_CATEGORY_DEMUXER;
127 1018 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 108435 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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 108435 if (!strcmp(url, s->url) ||
147
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 103461 s->iformat && !strcmp(s->iformat->name, "image2") ||
148
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 1002 s->oformat && !strcmp(s->oformat->name, "image2")
149 ) {
150 108099 loglevel = AV_LOG_DEBUG;
151 } else
152 336 loglevel = AV_LOG_INFO;
153
154
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 108435 av_log(s, loglevel, "Opening \'%s\' for %s\n", url, flags & AVIO_FLAG_WRITE ? "writing" : "reading");
155
156 216870 return ffio_open_whitelist2(pb, url, flags, &s->interrupt_callback, options,
157 108435 s->protocol_whitelist, s->protocol_blacklist, s);
158 }
159
160 108434 static int io_close2_default(AVFormatContext *s, AVIOContext *pb)
161 {
162 108434 return avio_close(pb);
163 }
164
165 17021 AVFormatContext *avformat_alloc_context(void)
166 {
167 FormatContextInternal *fci;
168 FFFormatContext *si;
169 AVFormatContext *s;
170
171 17021 fci = av_mallocz(sizeof(*fci));
172
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 17021 if (!fci)
173 ✗ return NULL;
174
175 17021 si = &fci->fc;
176 17021 s = &si->pub;
177 17021 s->av_class = &av_format_context_class;
178 17021 s->io_open = io_open_default;
179 17021 s->io_close2= io_close2_default;
180
181 17021 av_opt_set_defaults(s);
182
183 17021 si->pkt = av_packet_alloc();
184 17021 si->parse_pkt = av_packet_alloc();
185
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 17021 if (!si->pkt || !si->parse_pkt) {
186 ✗ avformat_free_context(s);
187 ✗ return NULL;
188 }
189
190 17021 return s;
191 }
192
193 137253 const AVClass *avformat_get_class(void)
194 {
195 137253 return &av_format_context_class;
196 }
197
198 #define DISPOSITION_OPT(ctx) \
199 { "disposition", NULL, offsetof(ctx, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, \
200 .flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" }, \
201 { "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" }, \
202 { "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" }, \
203 { "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" }, \
204 { "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" }, \
205 { "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" }, \
206 { "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" }, \
207 { "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" }, \
208 { "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" }, \
209 { "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" }, \
210 { "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" }, \
211 { "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" }, \
212 { "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" }, \
213 { "non_diegetic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_NON_DIEGETIC }, .unit = "disposition" }, \
214 { "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" }, \
215 { "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" }, \
216 { "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" }, \
217 { "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" }, \
218 { "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" }, \
219 { "multilayer", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_MULTILAYER }, .unit = "disposition" }
220
221 static const AVOption stream_options[] = {
222 DISPOSITION_OPT(AVStream),
223 { "discard", NULL, offsetof(AVStream, discard), AV_OPT_TYPE_INT, { .i64 = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX,
224 .flags = AV_OPT_FLAG_DECODING_PARAM, .unit = "avdiscard" },
225 { "none", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONE }, .unit = "avdiscard" },
226 { "default", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_DEFAULT }, .unit = "avdiscard" },
227 { "noref", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONREF }, .unit = "avdiscard" },
228 { "bidir", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_BIDIR }, .unit = "avdiscard" },
229 { "nointra", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONINTRA }, .unit = "avdiscard" },
230 { "nokey", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONKEY }, .unit = "avdiscard" },
231 { "all", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_ALL }, .unit = "avdiscard" },
232 { NULL }
233 };
234
235 static const AVClass stream_class = {
236 .class_name = "AVStream",
237 .item_name = av_default_item_name,
238 .version = LIBAVUTIL_VERSION_INT,
239 .option = stream_options,
240 };
241
242 1 const AVClass *av_stream_get_class(void)
243 {
244 1 return &stream_class;
245 }
246
247 18447 AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
248 {
249 FFStream *sti;
250 AVStream *st;
251 AVStream **streams;
252
253
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 18447 if (s->nb_streams >= s->max_streams) {
254 ✗ av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams parameter"
255 " (%d), see the documentation if you wish to increase it\n",
256 s->max_streams);
257 ✗ return NULL;
258 }
259 18447 streams = av_realloc_array(s->streams, s->nb_streams + 1, sizeof(*streams));
260
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 18447 if (!streams)
261 ✗ return NULL;
262 18447 s->streams = streams;
263
264 18447 sti = av_mallocz(sizeof(*sti));
265
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 18447 if (!sti)
266 ✗ return NULL;
267 18447 st = &sti->pub;
268
269 18447 st->av_class = &stream_class;
270 18447 st->codecpar = avcodec_parameters_alloc();
271
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 18447 if (!st->codecpar)
272 ✗ goto fail;
273
274 18447 sti->fmtctx = s;
275
276 18447 sti->parse_pkt = av_packet_alloc();
277
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 18447 if (!sti->parse_pkt)
278 ✗ goto fail;
279
280
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 18447 if (s->iformat) {
281 9068 sti->avctx = avcodec_alloc_context3(NULL);
282
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 9068 if (!sti->avctx)
283 ✗ goto fail;
284
285 9068 sti->info = av_mallocz(sizeof(*sti->info));
286
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 9068 if (!sti->info)
287 ✗ goto fail;
288
289 #if FF_API_R_FRAME_RATE
290 9068 sti->info->last_dts = AV_NOPTS_VALUE;
291 #endif
292 9068 sti->info->fps_first_dts = AV_NOPTS_VALUE;
293 9068 sti->info->fps_last_dts = AV_NOPTS_VALUE;
294
295 /* default pts setting is MPEG-like */
296 9068 avpriv_set_pts_info(st, 33, 1, 90000);
297 /* we set the current DTS to 0 so that formats without any timestamps
298 * but durations get some timestamps, formats with some unknown
299 * timestamps have their first few packets buffered and the
300 * timestamps corrected before they are returned to the user */
301 9068 sti->cur_dts = RELATIVE_TS_BASE;
302 } else {
303 9379 sti->cur_dts = AV_NOPTS_VALUE;
304 }
305
306 18447 st->index = s->nb_streams;
307 18447 st->start_time = AV_NOPTS_VALUE;
308 18447 st->duration = AV_NOPTS_VALUE;
309 18447 sti->first_dts = AV_NOPTS_VALUE;
310 18447 sti->probe_packets = s->max_probe_packets;
311 18447 sti->pts_wrap_reference = AV_NOPTS_VALUE;
312 18447 sti->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
313
314 18447 sti->last_IP_pts = AV_NOPTS_VALUE;
315 18447 sti->last_dts_for_order_check = AV_NOPTS_VALUE;
316
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 332046 for (int i = 0; i < MAX_REORDER_DELAY + 1; i++)
317 313599 sti->pts_buffer[i] = AV_NOPTS_VALUE;
318
319 18447 st->sample_aspect_ratio = (AVRational) { 0, 1 };
320
321 18447 sti->need_context_update = 1;
322
323 18447 s->streams[s->nb_streams++] = st;
324 18447 return st;
325 ✗ fail:
326 ✗ ff_free_stream(&st);
327 ✗ return NULL;
328 }
329
330 #define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
331 #define OFFSET(x) offsetof(AVStreamGroupTileGrid, x)
332 static const AVOption tile_grid_options[] = {
333 { "grid_size", "size of the output canvas", OFFSET(coded_width),
334 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
335 { "output_size", "size of valid pixels in output image meant for presentation", OFFSET(width),
336 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
337 { "background_color", "set a background color for unused pixels",
338 OFFSET(background), AV_OPT_TYPE_COLOR, { .str = "black"}, 0, 0, FLAGS },
339 { "horizontal_offset", NULL, OFFSET(horizontal_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
340 { "vertical_offset", NULL, OFFSET(vertical_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
341 { NULL },
342 };
343 #undef OFFSET
344
345 static const AVClass tile_grid_class = {
346 .class_name = "AVStreamGroupTileGrid",
347 .version = LIBAVUTIL_VERSION_INT,
348 .option = tile_grid_options,
349 };
350
351 #define OFFSET(x) offsetof(AVStreamGroupTREF, x)
352 static const AVOption tref_options[] = {
353 { "metadata_index", "Index of the data stream within the group", OFFSET(metadata_index),
354 AV_OPT_TYPE_UINT, { .i64 = 0 }, 0, UINT_MAX, FLAGS },
355 { NULL },
356 };
357 #undef OFFSET
358
359 static const AVClass tref_class = {
360 .class_name = "AVStreamGroupTREF",
361 .version = LIBAVUTIL_VERSION_INT,
362 .option = tref_options,
363 };
364
365 #if FF_API_LCEVC_STRUCT
366 FF_DISABLE_DEPRECATION_WARNINGS
367 #endif
368 #define OFFSET(x) offsetof(AVStreamGroupLayeredVideo, x)
369 static const AVOption layered_video_options[] = {
370 #if FF_API_LCEVC_STRUCT
371 { "lcevc_index", "Index of the LCEVC stream within the group", OFFSET(lcevc_index),
372 AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS | AV_OPT_FLAG_DEPRECATED },
373 #endif
374 { "el_index", "Index of the enhancement layer stream within the group", OFFSET(el_index),
375 AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
376 { "video_size", "size of the final layered video presentation", OFFSET(width),
377 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
378 { NULL },
379 };
380 #if FF_API_LCEVC_STRUCT
381 FF_ENABLE_DEPRECATION_WARNINGS
382 #endif
383 #undef OFFSET
384
385 static const AVClass layered_video_class = {
386 .class_name = "AVStreamGroupLayeredVideo",
387 .version = LIBAVUTIL_VERSION_INT,
388 .option = layered_video_options,
389 };
390
391 204 static void *stream_group_child_next(void *obj, void *prev)
392 {
393 204 AVStreamGroup *stg = obj;
394
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 204 if (!prev) {
395
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 115 switch(stg->type) {
396 59 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
397 59 return stg->params.iamf_audio_element;
398 56 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
399 56 return stg->params.iamf_mix_presentation;
400 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
401 ✗ return stg->params.tile_grid;
402 ✗ case AV_STREAM_GROUP_PARAMS_TREF:
403 ✗ return stg->params.tref;
404 ✗ case AV_STREAM_GROUP_PARAMS_LCEVC:
405 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
406 ✗ return stg->params.layered_video;
407 ✗ default:
408 ✗ break;
409 }
410 }
411 89 return NULL;
412 }
413
414 #undef FLAGS
415
416 ✗ static const AVClass *stream_group_child_iterate(void **opaque)
417 {
418 ✗ uintptr_t i = (uintptr_t)*opaque;
419 ✗ const AVClass *ret = NULL;
420
421 ✗ switch(i) {
422 ✗ case AV_STREAM_GROUP_PARAMS_NONE:
423 ✗ i++;
424 av_fallthrough;
425 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
426 ✗ ret = av_iamf_audio_element_get_class();
427 ✗ break;
428 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
429 ✗ ret = av_iamf_mix_presentation_get_class();
430 ✗ break;
431 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
432 ✗ ret = &tile_grid_class;
433 ✗ break;
434 ✗ case AV_STREAM_GROUP_PARAMS_TREF:
435 ✗ ret = &tref_class;
436 ✗ break;
437 ✗ case AV_STREAM_GROUP_PARAMS_LCEVC:
438 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
439 ✗ ret = &layered_video_class;
440 ✗ break;
441 ✗ default:
442 ✗ break;
443 }
444
445 ✗ if (ret)
446 ✗ *opaque = (void*)(i + 1);
447 ✗ return ret;
448 }
449
450 static const AVOption stream_group_options[] = {
451 DISPOSITION_OPT(AVStreamGroup),
452 {"id", "Set group id", offsetof(AVStreamGroup, id), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, AV_OPT_FLAG_ENCODING_PARAM },
453 { NULL }
454 };
455
456 static const AVClass stream_group_class = {
457 .class_name = "AVStreamGroup",
458 .item_name = av_default_item_name,
459 .version = LIBAVUTIL_VERSION_INT,
460 .option = stream_group_options,
461 .child_next = stream_group_child_next,
462 .child_class_iterate = stream_group_child_iterate,
463 };
464
465 ✗ const AVClass *av_stream_group_get_class(void)
466 {
467 ✗ return &stream_group_class;
468 }
469
470 148 AVStreamGroup *avformat_stream_group_create(AVFormatContext *s,
471 enum AVStreamGroupParamsType type,
472 AVDictionary **options)
473 {
474 AVStreamGroup **stream_groups;
475 AVStreamGroup *stg;
476 FFStreamGroup *stgi;
477
478 148 stream_groups = av_realloc_array(s->stream_groups, s->nb_stream_groups + 1,
479 sizeof(*stream_groups));
480
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 148 if (!stream_groups)
481 ✗ return NULL;
482 148 s->stream_groups = stream_groups;
483
484 148 stgi = av_mallocz(sizeof(*stgi));
485
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 148 if (!stgi)
486 ✗ return NULL;
487 148 stg = &stgi->pub;
488
489 148 stg->av_class = &stream_group_class;
490 148 av_opt_set_defaults(stg);
491 148 stg->type = type;
492
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 148 switch (type) {
493 52 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
494 52 stg->params.iamf_audio_element = av_iamf_audio_element_alloc();
495
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 52 if (!stg->params.iamf_audio_element)
496 ✗ goto fail;
497 52 break;
498 49 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
499 49 stg->params.iamf_mix_presentation = av_iamf_mix_presentation_alloc();
500
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 49 if (!stg->params.iamf_mix_presentation)
501 ✗ goto fail;
502 49 break;
503 9 case AV_STREAM_GROUP_PARAMS_TILE_GRID:
504 9 stg->params.tile_grid = av_mallocz(sizeof(*stg->params.tile_grid));
505
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 9 if (!stg->params.tile_grid)
506 ✗ goto fail;
507 9 stg->params.tile_grid->av_class = &tile_grid_class;
508 9 av_opt_set_defaults(stg->params.tile_grid);
509 9 break;
510 30 case AV_STREAM_GROUP_PARAMS_TREF:
511 30 stg->params.tref = av_mallocz(sizeof(*stg->params.tref));
512
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 30 if (!stg->params.tref)
513 ✗ goto fail;
514 30 stg->params.tref->av_class = &tref_class;
515 30 av_opt_set_defaults(stg->params.tref);
516 30 break;
517 8 case AV_STREAM_GROUP_PARAMS_LCEVC:
518 case AV_STREAM_GROUP_PARAMS_DOLBY_VISION:
519 8 stg->params.layered_video = av_mallocz(sizeof(*stg->params.layered_video));
520
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 8 if (!stg->params.layered_video)
521 ✗ goto fail;
522 8 stg->params.layered_video->av_class = &layered_video_class;
523 8 av_opt_set_defaults(stg->params.layered_video);
524 8 break;
525 ✗ default:
526 ✗ goto fail;
527 }
528
529
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 148 if (options) {
530
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 27 if (av_opt_set_dict2(stg, options, AV_OPT_SEARCH_CHILDREN))
531 ✗ goto fail;
532 }
533
534 148 stgi->fmtctx = s;
535 148 stg->index = s->nb_stream_groups;
536
537 148 s->stream_groups[s->nb_stream_groups++] = stg;
538
539 148 return stg;
540 ✗ fail:
541 ✗ ff_free_stream_group(&stg);
542 ✗ return NULL;
543 }
544
545 572 static int stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
546 {
547 572 AVStream **streams = av_realloc_array(stg->streams, stg->nb_streams + 1,
548 sizeof(*stg->streams));
549
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 572 if (!streams)
550 ✗ return AVERROR(ENOMEM);
551
552 572 stg->streams = streams;
553 572 stg->streams[stg->nb_streams++] = st;
554
555 572 return 0;
556 }
557
558 578 int avformat_stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
559 {
560 578 const FFStreamGroup *stgi = cffstreamgroup(stg);
561 578 const FFStream *sti = cffstream(st);
562
563
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 578 if (stgi->fmtctx != sti->fmtctx)
564 ✗ return AVERROR(EINVAL);
565
566
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 1778 for (int i = 0; i < stg->nb_streams; i++)
567
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 1206 if (stg->streams[i]->index == st->index)
568 6 return AVERROR(EEXIST);
569
570 572 return stream_group_add_stream(stg, st);
571 }
572
573 161865 static int option_is_disposition(const AVOption *opt)
574 {
575 310959 return opt->type == AV_OPT_TYPE_CONST &&
576
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 161865 opt->unit && !strcmp(opt->unit, "disposition");
577 }
578
579 ✗ int av_disposition_from_string(const char *disp)
580 {
581 ✗ for (const AVOption *opt = stream_options; opt->name; opt++)
582 ✗ if (option_is_disposition(opt) && !strcmp(disp, opt->name))
583 ✗ return opt->default_val.i64;
584 ✗ return AVERROR(EINVAL);
585 }
586
587 9504 const char *av_disposition_to_string(int disposition)
588 {
589 int val;
590
591
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 9504 if (disposition <= 0)
592 297 return NULL;
593
594 9207 val = 1 << ff_ctz(disposition);
595
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 165429 for (const AVOption *opt = stream_options; opt->name; opt++)
596
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 161865 if (option_is_disposition(opt) && opt->default_val.i64 == val)
597 5643 return opt->name;
598
599 3564 return NULL;
600 }
601