FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavformat/options.c
Date: 2024-04-27 00:58:15
Exec Total Coverage
Lines: 173 236 73.3%
Functions: 15 20 75.0%
Branches: 95 133 71.4%
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 "avio_internal.h"
22 #include "demux.h"
23 #include "internal.h"
24
25 #include "libavcodec/avcodec.h"
26 #include "libavcodec/codec_par.h"
27
28 #include "libavutil/avassert.h"
29 #include "libavutil/iamf.h"
30 #include "libavutil/internal.h"
31 #include "libavutil/intmath.h"
32 #include "libavutil/mem.h"
33 #include "libavutil/opt.h"
34
35 /**
36 * @file
37 * Options definition for AVFormatContext.
38 */
39
40 FF_DISABLE_DEPRECATION_WARNINGS
41 #include "options_table.h"
42 FF_ENABLE_DEPRECATION_WARNINGS
43
44 2428 static const char* format_to_name(void* ptr)
45 {
46 2428 AVFormatContext* fc = (AVFormatContext*) ptr;
47
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 2428 if(fc->iformat) return fc->iformat->name;
48
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 799 else if(fc->oformat) return fc->oformat->name;
49 ✗ else return fc->av_class->class_name;
50 }
51
52 53236 static void *format_child_next(void *obj, void *prev)
53 {
54 53236 AVFormatContext *s = obj;
55
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 53236 if (!prev && s->priv_data &&
56
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 21118 ((s->iformat && s->iformat->priv_class) ||
57
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 2494 s->oformat && s->oformat->priv_class))
58 18626 return s->priv_data;
59
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 34610 if (s->pb && s->pb->av_class && prev != s->pb)
60 13198 return s->pb;
61 21412 return NULL;
62 }
63
64 enum {
65 CHILD_CLASS_ITER_AVIO = 0,
66 CHILD_CLASS_ITER_MUX,
67 CHILD_CLASS_ITER_DEMUX,
68 CHILD_CLASS_ITER_DONE,
69
70 };
71
72 #define ITER_STATE_SHIFT 16
73
74 21658494 static const AVClass *format_child_class_iterate(void **iter)
75 {
76 // we use the low 16 bits of iter as the value to be passed to
77 // av_(de)muxer_iterate()
78 21658494 void *val = (void*)(((uintptr_t)*iter) & ((1 << ITER_STATE_SHIFT) - 1));
79 21658494 unsigned int state = ((uintptr_t)*iter) >> ITER_STATE_SHIFT;
80 21658494 const AVClass *ret = NULL;
81
82
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 21658494 if (state == CHILD_CLASS_ITER_AVIO) {
83 91504 ret = &ff_avio_class;
84 91504 state++;
85 91504 goto finish;
86 }
87
88
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 21566990 if (state == CHILD_CLASS_ITER_MUX) {
89 const AVOutputFormat *ofmt;
90
91
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 17097761 while ((ofmt = av_muxer_iterate(&val))) {
92 17006381 ret = ofmt->priv_class;
93
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 17006381 if (ret)
94 6674351 goto finish;
95 }
96
97 91380 val = NULL;
98 91380 state++;
99 }
100
101
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 14892639 if (state == CHILD_CLASS_ITER_DEMUX) {
102 const AVInputFormat *ifmt;
103
104
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 33075051 while ((ifmt = av_demuxer_iterate(&val))) {
105 32983701 ret = ifmt->priv_class;
106
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 32983701 if (ret)
107 14801289 goto finish;
108 }
109 91350 val = NULL;
110 91350 state++;
111 }
112
113 ✗ finish:
114 // make sure none av_(de)muxer_iterate does not set the high bits of val
115
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 21658494 av_assert0(!((uintptr_t)val >> ITER_STATE_SHIFT));
116 21658494 *iter = (void*)((uintptr_t)val | (state << ITER_STATE_SHIFT));
117 21658494 return ret;
118 }
119
120 2428 static AVClassCategory get_category(void *ptr)
121 {
122 2428 AVFormatContext* s = ptr;
123
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 2428 if(s->iformat) return AV_CLASS_CATEGORY_DEMUXER;
124 799 else return AV_CLASS_CATEGORY_MUXER;
125 }
126
127 static const AVClass av_format_context_class = {
128 .class_name = "AVFormatContext",
129 .item_name = format_to_name,
130 .option = avformat_options,
131 .version = LIBAVUTIL_VERSION_INT,
132 .child_next = format_child_next,
133 .child_class_iterate = format_child_class_iterate,
134 .category = AV_CLASS_CATEGORY_MUXER,
135 .get_category = get_category,
136 };
137
138 94210 static int io_open_default(AVFormatContext *s, AVIOContext **pb,
139 const char *url, int flags, AVDictionary **options)
140 {
141 int loglevel;
142
143
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 94210 if (!strcmp(url, s->url) ||
144
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 89765 s->iformat && !strcmp(s->iformat->name, "image2") ||
145
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 871 s->oformat && !strcmp(s->oformat->name, "image2")
146 ) {
147 94002 loglevel = AV_LOG_DEBUG;
148 } else
149 208 loglevel = AV_LOG_INFO;
150
151
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 94210 av_log(s, loglevel, "Opening \'%s\' for %s\n", url, flags & AVIO_FLAG_WRITE ? "writing" : "reading");
152
153 94210 return ffio_open_whitelist(pb, url, flags, &s->interrupt_callback, options, s->protocol_whitelist, s->protocol_blacklist);
154 }
155
156 89788 static int io_close2_default(AVFormatContext *s, AVIOContext *pb)
157 {
158 89788 return avio_close(pb);
159 }
160
161 13993 AVFormatContext *avformat_alloc_context(void)
162 {
163 13993 FFFormatContext *const si = av_mallocz(sizeof(*si));
164 AVFormatContext *s;
165
166
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 13993 if (!si)
167 ✗ return NULL;
168
169 13993 s = &si->pub;
170 13993 s->av_class = &av_format_context_class;
171 13993 s->io_open = io_open_default;
172 13993 s->io_close2= io_close2_default;
173
174 13993 av_opt_set_defaults(s);
175
176 13993 si->pkt = av_packet_alloc();
177 13993 si->parse_pkt = av_packet_alloc();
178
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 13993 if (!si->pkt || !si->parse_pkt) {
179 ✗ avformat_free_context(s);
180 ✗ return NULL;
181 }
182
183 #if FF_API_LAVF_SHORTEST
184 13993 si->shortest_end = AV_NOPTS_VALUE;
185 #endif
186
187 13993 return s;
188 }
189
190 #if FF_API_GET_DUR_ESTIMATE_METHOD
191 ✗ enum AVDurationEstimationMethod av_fmt_ctx_get_duration_estimation_method(const AVFormatContext* ctx)
192 {
193 ✗ return ctx->duration_estimation_method;
194 }
195 #endif
196
197 97162 const AVClass *avformat_get_class(void)
198 {
199 97162 return &av_format_context_class;
200 }
201
202 #define DISPOSITION_OPT(ctx) \
203 { "disposition", NULL, offsetof(ctx, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, \
204 .flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" }, \
205 { "default", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "disposition" }, \
206 { "dub", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "disposition" }, \
207 { "original", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "disposition" }, \
208 { "comment", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "disposition" }, \
209 { "lyrics", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "disposition" }, \
210 { "karaoke", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "disposition" }, \
211 { "forced", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "disposition" }, \
212 { "hearing_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "disposition" }, \
213 { "visual_impaired", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "disposition" }, \
214 { "clean_effects", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "disposition" }, \
215 { "attached_pic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC }, .unit = "disposition" }, \
216 { "timed_thumbnails", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS }, .unit = "disposition" }, \
217 { "non_diegetic", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_NON_DIEGETIC }, .unit = "disposition" }, \
218 { "captions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "disposition" }, \
219 { "descriptions", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "disposition" }, \
220 { "metadata", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "disposition" }, \
221 { "dependent", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "disposition" }, \
222 { "still_image", .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE }, .unit = "disposition" }
223
224 static const AVOption stream_options[] = {
225 DISPOSITION_OPT(AVStream),
226 { "discard", NULL, offsetof(AVStream, discard), AV_OPT_TYPE_INT, { .i64 = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX,
227 .flags = AV_OPT_FLAG_DECODING_PARAM, .unit = "avdiscard" },
228 { "none", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONE }, .unit = "avdiscard" },
229 { "default", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_DEFAULT }, .unit = "avdiscard" },
230 { "noref", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONREF }, .unit = "avdiscard" },
231 { "bidir", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_BIDIR }, .unit = "avdiscard" },
232 { "nointra", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONINTRA }, .unit = "avdiscard" },
233 { "nokey", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONKEY }, .unit = "avdiscard" },
234 { "all", .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_ALL }, .unit = "avdiscard" },
235 { NULL }
236 };
237
238 static const AVClass stream_class = {
239 .class_name = "AVStream",
240 .item_name = av_default_item_name,
241 .version = LIBAVUTIL_VERSION_INT,
242 .option = stream_options,
243 };
244
245 ✗ const AVClass *av_stream_get_class(void)
246 {
247 ✗ return &stream_class;
248 }
249
250 15115 AVStream *avformat_new_stream(AVFormatContext *s, const AVCodec *c)
251 {
252 15115 FFFormatContext *const si = ffformatcontext(s);
253 FFStream *sti;
254 AVStream *st;
255 AVStream **streams;
256
257
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 15115 if (s->nb_streams >= s->max_streams) {
258 ✗ av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams parameter"
259 " (%d), see the documentation if you wish to increase it\n",
260 s->max_streams);
261 ✗ return NULL;
262 }
263 15115 streams = av_realloc_array(s->streams, s->nb_streams + 1, sizeof(*streams));
264
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 15115 if (!streams)
265 ✗ return NULL;
266 15115 s->streams = streams;
267
268 15115 sti = av_mallocz(sizeof(*sti));
269
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 15115 if (!sti)
270 ✗ return NULL;
271 15115 st = &sti->pub;
272
273 15115 st->av_class = &stream_class;
274 15115 st->codecpar = avcodec_parameters_alloc();
275
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 15115 if (!st->codecpar)
276 ✗ goto fail;
277
278 15115 sti->fmtctx = s;
279
280
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 15115 if (s->iformat) {
281 7908 sti->avctx = avcodec_alloc_context3(NULL);
282
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 7908 if (!sti->avctx)
283 ✗ goto fail;
284
285 7908 sti->info = av_mallocz(sizeof(*sti->info));
286
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 7908 if (!sti->info)
287 ✗ goto fail;
288
289 #if FF_API_R_FRAME_RATE
290 7908 sti->info->last_dts = AV_NOPTS_VALUE;
291 #endif
292 7908 sti->info->fps_first_dts = AV_NOPTS_VALUE;
293 7908 sti->info->fps_last_dts = AV_NOPTS_VALUE;
294
295 /* default pts setting is MPEG-like */
296 7908 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 7908 sti->cur_dts = RELATIVE_TS_BASE;
302 } else {
303 7207 sti->cur_dts = AV_NOPTS_VALUE;
304 }
305
306 15115 st->index = s->nb_streams;
307 15115 st->start_time = AV_NOPTS_VALUE;
308 15115 st->duration = AV_NOPTS_VALUE;
309 15115 sti->first_dts = AV_NOPTS_VALUE;
310 15115 sti->probe_packets = s->max_probe_packets;
311 15115 sti->pts_wrap_reference = AV_NOPTS_VALUE;
312 15115 sti->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
313
314 15115 sti->last_IP_pts = AV_NOPTS_VALUE;
315 15115 sti->last_dts_for_order_check = AV_NOPTS_VALUE;
316
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 272070 for (int i = 0; i < MAX_REORDER_DELAY + 1; i++)
317 256955 sti->pts_buffer[i] = AV_NOPTS_VALUE;
318
319 15115 st->sample_aspect_ratio = (AVRational) { 0, 1 };
320 15115 sti->transferred_mux_tb = (AVRational) { 0, 1 };;
321
322 #if FF_API_AVSTREAM_SIDE_DATA
323 15115 sti->inject_global_side_data = si->inject_global_side_data;
324 #endif
325
326 15115 sti->need_context_update = 1;
327
328 15115 s->streams[s->nb_streams++] = st;
329 15115 return st;
330 ✗ fail:
331 ✗ ff_free_stream(&st);
332 ✗ return NULL;
333 }
334
335 #define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
336 #define OFFSET(x) offsetof(AVStreamGroupTileGrid, x)
337 static const AVOption tile_grid_options[] = {
338 { "grid_size", "size of the output canvas", OFFSET(coded_width),
339 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
340 { "output_size", "size of valid pixels in output image meant for presentation", OFFSET(width),
341 AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
342 { "background_color", "set a background color for unused pixels",
343 OFFSET(background), AV_OPT_TYPE_COLOR, { .str = "black"}, 0, 0, FLAGS },
344 { "horizontal_offset", NULL, OFFSET(horizontal_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
345 { "vertical_offset", NULL, OFFSET(vertical_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
346 { NULL },
347 };
348 #undef FLAGS
349 #undef OFFSET
350
351 static const AVClass tile_grid_class = {
352 .class_name = "AVStreamGroupTileGrid",
353 .version = LIBAVUTIL_VERSION_INT,
354 .option = tile_grid_options,
355 };
356
357 133 static void *stream_group_child_next(void *obj, void *prev)
358 {
359 133 AVStreamGroup *stg = obj;
360
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 133 if (!prev) {
361
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 75 switch(stg->type) {
362 37 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
363 37 return stg->params.iamf_audio_element;
364 38 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
365 38 return stg->params.iamf_mix_presentation;
366 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
367 ✗ return stg->params.tile_grid;
368 ✗ default:
369 ✗ break;
370 }
371 }
372 58 return NULL;
373 }
374
375 ✗ static const AVClass *stream_group_child_iterate(void **opaque)
376 {
377 ✗ uintptr_t i = (uintptr_t)*opaque;
378 ✗ const AVClass *ret = NULL;
379
380 ✗ switch(i) {
381 ✗ case AV_STREAM_GROUP_PARAMS_NONE:
382 ✗ i++;
383 // fall-through
384 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
385 ✗ ret = av_iamf_audio_element_get_class();
386 ✗ break;
387 ✗ case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
388 ✗ ret = av_iamf_mix_presentation_get_class();
389 ✗ break;
390 ✗ case AV_STREAM_GROUP_PARAMS_TILE_GRID:
391 ✗ ret = &tile_grid_class;
392 ✗ break;
393 ✗ default:
394 ✗ break;
395 }
396
397 ✗ if (ret)
398 ✗ *opaque = (void*)(i + 1);
399 ✗ return ret;
400 }
401
402 static const AVOption stream_group_options[] = {
403 DISPOSITION_OPT(AVStreamGroup),
404 {"id", "Set group id", offsetof(AVStreamGroup, id), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, AV_OPT_FLAG_ENCODING_PARAM },
405 { NULL }
406 };
407
408 static const AVClass stream_group_class = {
409 .class_name = "AVStreamGroup",
410 .item_name = av_default_item_name,
411 .version = LIBAVUTIL_VERSION_INT,
412 .option = stream_group_options,
413 .child_next = stream_group_child_next,
414 .child_class_iterate = stream_group_child_iterate,
415 };
416
417 ✗ const AVClass *av_stream_group_get_class(void)
418 {
419 ✗ return &stream_group_class;
420 }
421
422 66 AVStreamGroup *avformat_stream_group_create(AVFormatContext *s,
423 enum AVStreamGroupParamsType type,
424 AVDictionary **options)
425 {
426 AVStreamGroup **stream_groups;
427 AVStreamGroup *stg;
428 FFStreamGroup *stgi;
429
430 66 stream_groups = av_realloc_array(s->stream_groups, s->nb_stream_groups + 1,
431 sizeof(*stream_groups));
432
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 66 if (!stream_groups)
433 ✗ return NULL;
434 66 s->stream_groups = stream_groups;
435
436 66 stgi = av_mallocz(sizeof(*stgi));
437
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 66 if (!stgi)
438 ✗ return NULL;
439 66 stg = &stgi->pub;
440
441 66 stg->av_class = &stream_group_class;
442 66 av_opt_set_defaults(stg);
443 66 stg->type = type;
444
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 66 switch (type) {
445 30 case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
446 30 stg->params.iamf_audio_element = av_iamf_audio_element_alloc();
447
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 30 if (!stg->params.iamf_audio_element)
448 ✗ goto fail;
449 30 break;
450 30 case AV_STREAM_GROUP_PARAMS_IAMF_MIX_PRESENTATION:
451 30 stg->params.iamf_mix_presentation = av_iamf_mix_presentation_alloc();
452
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 30 if (!stg->params.iamf_mix_presentation)
453 ✗ goto fail;
454 30 break;
455 6 case AV_STREAM_GROUP_PARAMS_TILE_GRID:
456 6 stg->params.tile_grid = av_mallocz(sizeof(*stg->params.tile_grid));
457
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 6 if (!stg->params.tile_grid)
458 ✗ goto fail;
459 6 stg->params.tile_grid->av_class = &tile_grid_class;
460 6 av_opt_set_defaults(stg->params.tile_grid);
461 6 break;
462 ✗ default:
463 ✗ goto fail;
464 }
465
466
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 66 if (options) {
467
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 18 if (av_opt_set_dict2(stg, options, AV_OPT_SEARCH_CHILDREN))
468 ✗ goto fail;
469 }
470
471 66 stgi->fmtctx = s;
472 66 stg->index = s->nb_stream_groups;
473
474 66 s->stream_groups[s->nb_stream_groups++] = stg;
475
476 66 return stg;
477 ✗ fail:
478 ✗ ff_free_stream_group(&stg);
479 ✗ return NULL;
480 }
481
482 278 static int stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
483 {
484 278 AVStream **streams = av_realloc_array(stg->streams, stg->nb_streams + 1,
485 sizeof(*stg->streams));
486
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 278 if (!streams)
487 ✗ return AVERROR(ENOMEM);
488
489 278 stg->streams = streams;
490 278 stg->streams[stg->nb_streams++] = st;
491
492 278 return 0;
493 }
494
495 284 int avformat_stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
496 {
497 284 const FFStreamGroup *stgi = cffstreamgroup(stg);
498 284 const FFStream *sti = cffstream(st);
499
500
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 284 if (stgi->fmtctx != sti->fmtctx)
501 ✗ return AVERROR(EINVAL);
502
503
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 874 for (int i = 0; i < stg->nb_streams; i++)
504
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 596 if (stg->streams[i]->index == st->index)
505 6 return AVERROR(EEXIST);
506
507 278 return stream_group_add_stream(stg, st);
508 }
509
510 111240 static int option_is_disposition(const AVOption *opt)
511 {
512 213416 return opt->type == AV_OPT_TYPE_CONST &&
513
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 111240 opt->unit && !strcmp(opt->unit, "disposition");
514 }
515
516 ✗ int av_disposition_from_string(const char *disp)
517 {
518 ✗ for (const AVOption *opt = stream_options; opt->name; opt++)
519 ✗ if (option_is_disposition(opt) && !strcmp(disp, opt->name))
520 ✗ return opt->default_val.i64;
521 ✗ return AVERROR(EINVAL);
522 }
523
524 6592 const char *av_disposition_to_string(int disposition)
525 {
526 int val;
527
528
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 6592 if (disposition <= 0)
529 206 return NULL;
530
531 6386 val = 1 << ff_ctz(disposition);
532
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 113918 for (const AVOption *opt = stream_options; opt->name; opt++)
533
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 111240 if (option_is_disposition(opt) && opt->default_val.i64 == val)
534 3708 return opt->name;
535
536 2678 return NULL;
537 }
538