3 * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * @author Michael Niedermayer <michaelni@gmx.at>
35 #include "mathematics.h"
37 const AVOption *av_opt_next(void *obj, const AVOption *last)
39 AVClass *class = *(AVClass**)obj;
40 if (!last && class->option && class->option[0].name)
42 if (last && last[1].name)
47 static int read_number(const AVOption *o, void *dst, double *num, int *den, int64_t *intnum)
50 case AV_OPT_TYPE_FLAGS: *intnum = *(unsigned int*)dst;return 0;
51 case AV_OPT_TYPE_INT: *intnum = *(int *)dst;return 0;
52 case AV_OPT_TYPE_INT64: *intnum = *(int64_t *)dst;return 0;
53 case AV_OPT_TYPE_FLOAT: *num = *(float *)dst;return 0;
54 case AV_OPT_TYPE_DOUBLE: *num = *(double *)dst;return 0;
55 case AV_OPT_TYPE_RATIONAL: *intnum = ((AVRational*)dst)->num;
56 *den = ((AVRational*)dst)->den;
59 return AVERROR(EINVAL);
62 static int write_number(void *obj, const AVOption *o, void *dst, double num, int den, int64_t intnum)
64 if (o->type != AV_OPT_TYPE_FLAGS &&
65 (o->max * den < num * intnum || o->min * den > num * intnum)) {
66 av_log(obj, AV_LOG_ERROR, "Value %f for parameter '%s' out of range\n",
67 num*intnum/den, o->name);
68 return AVERROR(ERANGE);
72 case AV_OPT_TYPE_FLAGS:
73 case AV_OPT_TYPE_INT: *(int *)dst= llrint(num/den)*intnum; break;
74 case AV_OPT_TYPE_INT64: *(int64_t *)dst= llrint(num/den)*intnum; break;
75 case AV_OPT_TYPE_FLOAT: *(float *)dst= num*intnum/den; break;
76 case AV_OPT_TYPE_DOUBLE:*(double *)dst= num*intnum/den; break;
77 case AV_OPT_TYPE_RATIONAL:
78 if ((int)num == num) *(AVRational*)dst= (AVRational){num*intnum, den};
79 else *(AVRational*)dst= av_d2q(num*intnum/den, 1<<24);
82 return AVERROR(EINVAL);
87 static const double const_values[] = {
94 static const char * const const_names[] = {
101 static int hexchar2int(char c) {
102 if (c >= '0' && c <= '9') return c - '0';
103 if (c >= 'a' && c <= 'f') return c - 'a' + 10;
104 if (c >= 'A' && c <= 'F') return c - 'A' + 10;
108 static int set_string_binary(void *obj, const AVOption *o, const char *val, uint8_t **dst)
110 int *lendst = (int *)(dst + 1);
112 int len = strlen(val);
118 return AVERROR(EINVAL);
121 ptr = bin = av_malloc(len);
123 int a = hexchar2int(*val++);
124 int b = hexchar2int(*val++);
125 if (a < 0 || b < 0) {
127 return AVERROR(EINVAL);
129 *ptr++ = (a << 4) | b;
137 static int set_string(void *obj, const AVOption *o, const char *val, uint8_t **dst)
140 *dst = av_strdup(val);
144 #define DEFAULT_NUMVAL(opt) ((opt->type == AV_OPT_TYPE_INT64 || \
145 opt->type == AV_OPT_TYPE_CONST || \
146 opt->type == AV_OPT_TYPE_FLAGS || \
147 opt->type == AV_OPT_TYPE_INT) ? \
148 opt->default_val.i64 : opt->default_val.dbl)
150 static int set_string_number(void *obj, void *target_obj, const AVOption *o, const char *val, void *dst)
152 int ret = 0, notfirst = 0;
161 if (*val == '+' || *val == '-') {
162 if (o->type == AV_OPT_TYPE_FLAGS)
168 for (; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i] != '-'; i++)
173 const AVOption *o_named = av_opt_find(target_obj, buf, o->unit, 0, 0);
174 if (o_named && o_named->type == AV_OPT_TYPE_CONST)
175 d = DEFAULT_NUMVAL(o_named);
176 else if (!strcmp(buf, "default")) d = DEFAULT_NUMVAL(o);
177 else if (!strcmp(buf, "max" )) d = o->max;
178 else if (!strcmp(buf, "min" )) d = o->min;
179 else if (!strcmp(buf, "none" )) d = 0;
180 else if (!strcmp(buf, "all" )) d = ~0;
182 int res = av_expr_parse_and_eval(&d, buf, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, obj);
184 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\"\n", val);
189 if (o->type == AV_OPT_TYPE_FLAGS) {
190 read_number(o, dst, NULL, NULL, &intnum);
191 if (cmd == '+') d = intnum | (int64_t)d;
192 else if (cmd == '-') d = intnum &~(int64_t)d;
194 read_number(o, dst, &num, &den, &intnum);
195 if (cmd == '+') d = notfirst*num*intnum/den + d;
196 else if (cmd == '-') d = notfirst*num*intnum/den - d;
199 if ((ret = write_number(obj, o, dst, d, 1, 1)) < 0)
210 int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
212 void *dst, *target_obj;
213 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
214 if (!o || !target_obj)
215 return AVERROR_OPTION_NOT_FOUND;
216 if (!val || o->flags & AV_OPT_FLAG_READONLY)
217 return AVERROR(EINVAL);
219 dst = ((uint8_t*)target_obj) + o->offset;
221 case AV_OPT_TYPE_STRING: return set_string(obj, o, val, dst);
222 case AV_OPT_TYPE_BINARY: return set_string_binary(obj, o, val, dst);
223 case AV_OPT_TYPE_FLAGS:
224 case AV_OPT_TYPE_INT:
225 case AV_OPT_TYPE_INT64:
226 case AV_OPT_TYPE_FLOAT:
227 case AV_OPT_TYPE_DOUBLE:
228 case AV_OPT_TYPE_RATIONAL: return set_string_number(obj, target_obj, o, val, dst);
231 av_log(obj, AV_LOG_ERROR, "Invalid option type.\n");
232 return AVERROR(EINVAL);
235 #define OPT_EVAL_NUMBER(name, opttype, vartype)\
236 int av_opt_eval_ ## name(void *obj, const AVOption *o, const char *val, vartype *name ## _out)\
238 if (!o || o->type != opttype || o->flags & AV_OPT_FLAG_READONLY)\
239 return AVERROR(EINVAL);\
240 return set_string_number(obj, obj, o, val, name ## _out);\
243 OPT_EVAL_NUMBER(flags, AV_OPT_TYPE_FLAGS, int)
244 OPT_EVAL_NUMBER(int, AV_OPT_TYPE_INT, int)
245 OPT_EVAL_NUMBER(int64, AV_OPT_TYPE_INT64, int64_t)
246 OPT_EVAL_NUMBER(float, AV_OPT_TYPE_FLOAT, float)
247 OPT_EVAL_NUMBER(double, AV_OPT_TYPE_DOUBLE, double)
248 OPT_EVAL_NUMBER(q, AV_OPT_TYPE_RATIONAL, AVRational)
250 static int set_number(void *obj, const char *name, double num, int den, int64_t intnum,
253 void *dst, *target_obj;
254 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
256 if (!o || !target_obj)
257 return AVERROR_OPTION_NOT_FOUND;
259 if (o->flags & AV_OPT_FLAG_READONLY)
260 return AVERROR(EINVAL);
262 dst = ((uint8_t*)target_obj) + o->offset;
263 return write_number(obj, o, dst, num, den, intnum);
266 int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
268 return set_number(obj, name, 1, 1, val, search_flags);
271 int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
273 return set_number(obj, name, val, 1, 1, search_flags);
276 int av_opt_set_q(void *obj, const char *name, AVRational val, int search_flags)
278 return set_number(obj, name, val.num, val.den, 1, search_flags);
281 int av_opt_set_bin(void *obj, const char *name, const uint8_t *val, int len, int search_flags)
284 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
289 if (!o || !target_obj)
290 return AVERROR_OPTION_NOT_FOUND;
292 if (o->type != AV_OPT_TYPE_BINARY || o->flags & AV_OPT_FLAG_READONLY)
293 return AVERROR(EINVAL);
295 ptr = av_malloc(len);
297 return AVERROR(ENOMEM);
299 dst = (uint8_t **)(((uint8_t *)target_obj) + o->offset);
300 lendst = (int *)(dst + 1);
305 memcpy(ptr, val, len);
310 int av_opt_set_dict_val(void *obj, const char *name, const AVDictionary *val, int search_flags)
314 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
316 if (!o || !target_obj)
317 return AVERROR_OPTION_NOT_FOUND;
318 if (o->flags & AV_OPT_FLAG_READONLY)
319 return AVERROR(EINVAL);
321 dst = (AVDictionary **)(((uint8_t *)target_obj) + o->offset);
323 av_dict_copy(dst, val, 0);
328 int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
330 void *dst, *target_obj;
331 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
332 uint8_t *bin, buf[128];
335 if (!o || !target_obj)
336 return AVERROR_OPTION_NOT_FOUND;
338 dst = (uint8_t*)target_obj + o->offset;
342 case AV_OPT_TYPE_FLAGS: ret = snprintf(buf, sizeof(buf), "0x%08X", *(int *)dst);break;
343 case AV_OPT_TYPE_INT: ret = snprintf(buf, sizeof(buf), "%d" , *(int *)dst);break;
344 case AV_OPT_TYPE_INT64: ret = snprintf(buf, sizeof(buf), "%"PRId64, *(int64_t*)dst);break;
345 case AV_OPT_TYPE_FLOAT: ret = snprintf(buf, sizeof(buf), "%f" , *(float *)dst);break;
346 case AV_OPT_TYPE_DOUBLE: ret = snprintf(buf, sizeof(buf), "%f" , *(double *)dst);break;
347 case AV_OPT_TYPE_RATIONAL: ret = snprintf(buf, sizeof(buf), "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
348 case AV_OPT_TYPE_STRING:
350 *out_val = av_strdup(*(uint8_t**)dst);
352 *out_val = av_strdup("");
354 case AV_OPT_TYPE_BINARY:
355 len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *));
356 if ((uint64_t)len*2 + 1 > INT_MAX)
357 return AVERROR(EINVAL);
358 if (!(*out_val = av_malloc(len*2 + 1)))
359 return AVERROR(ENOMEM);
360 bin = *(uint8_t**)dst;
361 for (i = 0; i < len; i++)
362 snprintf(*out_val + i*2, 3, "%02X", bin[i]);
365 return AVERROR(EINVAL);
368 if (ret >= sizeof(buf))
369 return AVERROR(EINVAL);
370 *out_val = av_strdup(buf);
374 static int get_number(void *obj, const char *name, double *num, int *den, int64_t *intnum,
377 void *dst, *target_obj;
378 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
379 if (!o || !target_obj)
382 dst = ((uint8_t*)target_obj) + o->offset;
384 return read_number(o, dst, num, den, intnum);
391 int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_val)
397 if ((ret = get_number(obj, name, &num, &den, &intnum, search_flags)) < 0)
399 *out_val = num*intnum/den;
403 int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val)
409 if ((ret = get_number(obj, name, &num, &den, &intnum, search_flags)) < 0)
411 *out_val = num*intnum/den;
415 int av_opt_get_q(void *obj, const char *name, int search_flags, AVRational *out_val)
421 if ((ret = get_number(obj, name, &num, &den, &intnum, search_flags)) < 0)
424 if (num == 1.0 && (int)intnum == intnum)
425 *out_val = (AVRational){intnum, den};
427 *out_val = av_d2q(num*intnum/den, 1<<24);
431 int av_opt_get_dict_val(void *obj, const char *name, int search_flags, AVDictionary **out_val)
435 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
437 if (!o || !target_obj)
438 return AVERROR_OPTION_NOT_FOUND;
439 if (o->type != AV_OPT_TYPE_DICT)
440 return AVERROR(EINVAL);
442 src = *(AVDictionary **)(((uint8_t *)target_obj) + o->offset);
443 av_dict_copy(out_val, src, 0);
448 int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
450 const AVOption *field = av_opt_find(obj, field_name, NULL, 0, 0);
451 const AVOption *flag = av_opt_find(obj, flag_name,
452 field ? field->unit : NULL, 0, 0);
455 if (!field || !flag || flag->type != AV_OPT_TYPE_CONST ||
456 av_opt_get_int(obj, field_name, 0, &res) < 0)
458 return res & flag->default_val.i64;
461 static void opt_list(void *obj, void *av_log_obj, const char *unit,
462 int req_flags, int rej_flags)
464 const AVOption *opt=NULL;
466 while ((opt = av_opt_next(obj, opt))) {
467 if (!(opt->flags & req_flags) || (opt->flags & rej_flags))
470 /* Don't print CONST's on level one.
471 * Don't print anything but CONST's on level two.
472 * Only print items from the requested unit.
474 if (!unit && opt->type==AV_OPT_TYPE_CONST)
476 else if (unit && opt->type!=AV_OPT_TYPE_CONST)
478 else if (unit && opt->type==AV_OPT_TYPE_CONST && strcmp(unit, opt->unit))
480 else if (unit && opt->type == AV_OPT_TYPE_CONST)
481 av_log(av_log_obj, AV_LOG_INFO, " %-15s ", opt->name);
483 av_log(av_log_obj, AV_LOG_INFO, "-%-17s ", opt->name);
486 case AV_OPT_TYPE_FLAGS:
487 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<flags>");
489 case AV_OPT_TYPE_INT:
490 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<int>");
492 case AV_OPT_TYPE_INT64:
493 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<int64>");
495 case AV_OPT_TYPE_DOUBLE:
496 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<double>");
498 case AV_OPT_TYPE_FLOAT:
499 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<float>");
501 case AV_OPT_TYPE_STRING:
502 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<string>");
504 case AV_OPT_TYPE_RATIONAL:
505 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<rational>");
507 case AV_OPT_TYPE_BINARY:
508 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<binary>");
510 case AV_OPT_TYPE_CONST:
512 av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "");
515 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_ENCODING_PARAM) ? 'E' : '.');
516 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_DECODING_PARAM) ? 'D' : '.');
517 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_VIDEO_PARAM ) ? 'V' : '.');
518 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.');
519 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.');
520 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_EXPORT) ? 'X' : '.');
521 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_READONLY) ? 'R' : '.');
524 av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
525 av_log(av_log_obj, AV_LOG_INFO, "\n");
526 if (opt->unit && opt->type != AV_OPT_TYPE_CONST) {
527 opt_list(obj, av_log_obj, opt->unit, req_flags, rej_flags);
532 int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
537 av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass**)obj)->class_name);
539 opt_list(obj, av_log_obj, NULL, req_flags, rej_flags);
544 void av_opt_set_defaults(void *s)
546 const AVOption *opt = NULL;
547 while ((opt = av_opt_next(s, opt))) {
548 if (opt->flags & AV_OPT_FLAG_READONLY)
552 case AV_OPT_TYPE_CONST:
553 /* Nothing to be done here */
555 case AV_OPT_TYPE_FLAGS:
556 case AV_OPT_TYPE_INT:
557 case AV_OPT_TYPE_INT64:
558 av_opt_set_int(s, opt->name, opt->default_val.i64, 0);
560 case AV_OPT_TYPE_DOUBLE:
561 case AV_OPT_TYPE_FLOAT: {
563 val = opt->default_val.dbl;
564 av_opt_set_double(s, opt->name, val, 0);
567 case AV_OPT_TYPE_RATIONAL: {
569 val = av_d2q(opt->default_val.dbl, INT_MAX);
570 av_opt_set_q(s, opt->name, val, 0);
573 case AV_OPT_TYPE_STRING:
574 av_opt_set(s, opt->name, opt->default_val.str, 0);
576 case AV_OPT_TYPE_BINARY:
577 case AV_OPT_TYPE_DICT:
578 /* Cannot set defaults for these types */
581 av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name);
587 * Store the value in the field in ctx that is named like key.
588 * ctx must be an AVClass context, storing is done using AVOptions.
590 * @param buf the string to parse, buf will be updated to point at the
591 * separator just after the parsed key/value pair
592 * @param key_val_sep a 0-terminated list of characters used to
593 * separate key from value
594 * @param pairs_sep a 0-terminated list of characters used to separate
595 * two pairs from each other
596 * @return 0 if the key/value pair has been successfully parsed and
597 * set, or a negative value corresponding to an AVERROR code in case
599 * AVERROR(EINVAL) if the key/value pair cannot be parsed,
600 * the error code issued by av_opt_set() if the key/value pair
603 static int parse_key_value_pair(void *ctx, const char **buf,
604 const char *key_val_sep, const char *pairs_sep)
606 char *key = av_get_token(buf, key_val_sep);
611 return AVERROR(ENOMEM);
613 if (*key && strspn(*buf, key_val_sep)) {
615 val = av_get_token(buf, pairs_sep);
618 return AVERROR(ENOMEM);
621 av_log(ctx, AV_LOG_ERROR, "Missing key or no key/value separator found after key '%s'\n", key);
623 return AVERROR(EINVAL);
626 av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key);
628 ret = av_opt_set(ctx, key, val, AV_OPT_SEARCH_CHILDREN);
629 if (ret == AVERROR_OPTION_NOT_FOUND)
630 av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
637 int av_set_options_string(void *ctx, const char *opts,
638 const char *key_val_sep, const char *pairs_sep)
646 if ((ret = parse_key_value_pair(ctx, &opts, key_val_sep, pairs_sep)) < 0)
657 void av_opt_free(void *obj)
659 const AVOption *o = NULL;
660 while ((o = av_opt_next(obj, o))) {
662 case AV_OPT_TYPE_STRING:
663 case AV_OPT_TYPE_BINARY:
664 av_freep((uint8_t *)obj + o->offset);
667 case AV_OPT_TYPE_DICT:
668 av_dict_free((AVDictionary **)(((uint8_t *)obj) + o->offset));
677 int av_opt_set_dict(void *obj, AVDictionary **options)
679 AVDictionaryEntry *t = NULL;
680 AVDictionary *tmp = NULL;
683 while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) {
684 ret = av_opt_set(obj, t->key, t->value, 0);
685 if (ret == AVERROR_OPTION_NOT_FOUND)
686 av_dict_set(&tmp, t->key, t->value, 0);
688 av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value);
693 av_dict_free(options);
698 const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
699 int opt_flags, int search_flags)
701 return av_opt_find2(obj, name, unit, opt_flags, search_flags, NULL);
704 const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
705 int opt_flags, int search_flags, void **target_obj)
707 const AVClass *c = *(AVClass**)obj;
708 const AVOption *o = NULL;
713 if (search_flags & AV_OPT_SEARCH_CHILDREN) {
714 if (search_flags & AV_OPT_SEARCH_FAKE_OBJ) {
715 const AVClass *child = NULL;
716 while (child = av_opt_child_class_next(c, child))
717 if (o = av_opt_find2(&child, name, unit, opt_flags, search_flags, NULL))
721 while (child = av_opt_child_next(obj, child))
722 if (o = av_opt_find2(child, name, unit, opt_flags, search_flags, target_obj))
727 while (o = av_opt_next(obj, o)) {
728 if (!strcmp(o->name, name) && (o->flags & opt_flags) == opt_flags &&
729 ((!unit && o->type != AV_OPT_TYPE_CONST) ||
730 (unit && o->unit && !strcmp(o->unit, unit)))) {
732 if (!(search_flags & AV_OPT_SEARCH_FAKE_OBJ))
743 void *av_opt_child_next(void *obj, void *prev)
745 const AVClass *c = *(AVClass**)obj;
747 return c->child_next(obj, prev);
751 const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev)
753 if (parent->child_class_next)
754 return parent->child_class_next(prev);
760 typedef struct TestContext
762 const AVClass *class;
770 #define OFFSET(x) offsetof(TestContext, x)
772 #define TEST_FLAG_COOL 01
773 #define TEST_FLAG_LAME 02
774 #define TEST_FLAG_MU 04
776 static const AVOption test_options[]= {
777 {"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 100 },
778 {"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1 },
779 {"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, 10 },
780 {"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, {0}, CHAR_MIN, CHAR_MAX },
781 {"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, INT_MAX, 0, "flags" },
782 {"cool", "set cool flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_COOL}, INT_MIN, INT_MAX, 0, "flags" },
783 {"lame", "set lame flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_LAME}, INT_MIN, INT_MAX, 0, "flags" },
784 {"mu", "set mu flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_MU}, INT_MIN, INT_MAX, 0, "flags" },
788 static const char *test_get_name(void *ctx)
793 static const AVClass test_class = {
803 printf("\nTesting av_set_options_string()\n");
805 TestContext test_ctx;
806 const char *options[] = {
822 "flags=+mu-lame : num=42: toggle=0",
823 "num=42 : string=blahblah",
824 "rational=0 : rational=1/2 : rational=1/-1",
828 test_ctx.class = &test_class;
829 av_opt_set_defaults(&test_ctx);
830 test_ctx.string = av_strdup("default");
832 av_log_set_level(AV_LOG_DEBUG);
834 for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
835 av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
836 if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
837 av_log(&test_ctx, AV_LOG_ERROR, "Error setting options string: '%s'\n", options[i]);