3 * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 "parseutils.h"
37 #include "mathematics.h"
38 #include "samplefmt.h"
43 //FIXME order them and do a bin search
44 const AVOption *av_find_opt(void *v, const char *name, const char *unit, int mask, int flags)
46 const AVOption *o = NULL;
48 while ((o = av_next_option(v, o))) {
49 if (!strcmp(o->name, name) && (!unit || (o->unit && !strcmp(o->unit, unit))) && (o->flags & mask) == flags)
56 #if FF_API_OLD_AVOPTIONS
57 const AVOption *av_next_option(void *obj, const AVOption *last)
59 return av_opt_next(obj, last);
63 const AVOption *av_opt_next(void *obj, const AVOption *last)
65 AVClass *class = *(AVClass**)obj;
66 if (!last && class->option && class->option[0].name)
68 if (last && last[1].name)
73 static int read_number(const AVOption *o, void *dst, double *num, int *den, int64_t *intnum)
76 case AV_OPT_TYPE_FLAGS: *intnum = *(unsigned int*)dst;return 0;
77 case AV_OPT_TYPE_PIXEL_FMT:
78 case AV_OPT_TYPE_SAMPLE_FMT:
79 case AV_OPT_TYPE_INT: *intnum = *(int *)dst;return 0;
80 case AV_OPT_TYPE_DURATION:
81 case AV_OPT_TYPE_INT64: *intnum = *(int64_t *)dst;return 0;
82 case AV_OPT_TYPE_FLOAT: *num = *(float *)dst;return 0;
83 case AV_OPT_TYPE_DOUBLE: *num = *(double *)dst;return 0;
84 case AV_OPT_TYPE_RATIONAL: *intnum = ((AVRational*)dst)->num;
85 *den = ((AVRational*)dst)->den;
87 case AV_OPT_TYPE_CONST: *num = o->default_val.dbl; return 0;
89 return AVERROR(EINVAL);
92 static int write_number(void *obj, const AVOption *o, void *dst, double num, int den, int64_t intnum)
94 if (o->max*den < num*intnum || o->min*den > num*intnum) {
95 av_log(obj, AV_LOG_ERROR, "Value %f for parameter '%s' out of range [%g - %g]\n",
96 num*intnum/den, o->name, o->min, o->max);
97 return AVERROR(ERANGE);
101 case AV_OPT_TYPE_FLAGS:
102 case AV_OPT_TYPE_PIXEL_FMT:
103 case AV_OPT_TYPE_SAMPLE_FMT:
104 case AV_OPT_TYPE_INT: *(int *)dst= llrint(num/den)*intnum; break;
105 case AV_OPT_TYPE_DURATION:
106 case AV_OPT_TYPE_INT64: *(int64_t *)dst= llrint(num/den)*intnum; break;
107 case AV_OPT_TYPE_FLOAT: *(float *)dst= num*intnum/den; break;
108 case AV_OPT_TYPE_DOUBLE:*(double *)dst= num*intnum/den; break;
109 case AV_OPT_TYPE_RATIONAL:
110 if ((int)num == num) *(AVRational*)dst= (AVRational){num*intnum, den};
111 else *(AVRational*)dst= av_d2q(num*intnum/den, 1<<24);
114 return AVERROR(EINVAL);
119 static const double const_values[] = {
126 static const char * const const_names[] = {
133 static int hexchar2int(char c) {
134 if (c >= '0' && c <= '9') return c - '0';
135 if (c >= 'a' && c <= 'f') return c - 'a' + 10;
136 if (c >= 'A' && c <= 'F') return c - 'A' + 10;
140 static int set_string_binary(void *obj, const AVOption *o, const char *val, uint8_t **dst)
142 int *lendst = (int *)(dst + 1);
144 int len = strlen(val);
150 return AVERROR(EINVAL);
153 ptr = bin = av_malloc(len);
155 int a = hexchar2int(*val++);
156 int b = hexchar2int(*val++);
157 if (a < 0 || b < 0) {
159 return AVERROR(EINVAL);
161 *ptr++ = (a << 4) | b;
169 static int set_string(void *obj, const AVOption *o, const char *val, uint8_t **dst)
172 *dst = av_strdup(val);
176 #define DEFAULT_NUMVAL(opt) ((opt->type == AV_OPT_TYPE_INT64 || \
177 opt->type == AV_OPT_TYPE_CONST || \
178 opt->type == AV_OPT_TYPE_FLAGS || \
179 opt->type == AV_OPT_TYPE_INT) ? \
180 opt->default_val.i64 : opt->default_val.dbl)
182 static int set_string_number(void *obj, void *target_obj, const AVOption *o, const char *val, void *dst)
184 int ret = 0, notfirst = 0;
193 if (*val == '+' || *val == '-') {
194 if (o->type == AV_OPT_TYPE_FLAGS)
200 for (; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i] != '-'; i++)
205 const AVOption *o_named = av_opt_find(target_obj, buf, o->unit, 0, 0);
206 if (o_named && o_named->type == AV_OPT_TYPE_CONST)
207 d = DEFAULT_NUMVAL(o_named);
208 else if (!strcmp(buf, "default")) d = DEFAULT_NUMVAL(o);
209 else if (!strcmp(buf, "max" )) d = o->max;
210 else if (!strcmp(buf, "min" )) d = o->min;
211 else if (!strcmp(buf, "none" )) d = 0;
212 else if (!strcmp(buf, "all" )) d = ~0;
214 int res = av_expr_parse_and_eval(&d, buf, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, obj);
216 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\"\n", val);
221 if (o->type == AV_OPT_TYPE_FLAGS) {
222 read_number(o, dst, NULL, NULL, &intnum);
223 if (cmd == '+') d = intnum | (int64_t)d;
224 else if (cmd == '-') d = intnum &~(int64_t)d;
226 read_number(o, dst, &num, &den, &intnum);
227 if (cmd == '+') d = notfirst*num*intnum/den + d;
228 else if (cmd == '-') d = notfirst*num*intnum/den - d;
231 if ((ret = write_number(obj, o, dst, d, 1, 1)) < 0)
242 #if FF_API_OLD_AVOPTIONS
243 int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out)
245 const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
248 return av_opt_set(obj, name, val, 0);
252 int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
255 void *dst, *target_obj;
256 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
257 if (!o || !target_obj)
258 return AVERROR_OPTION_NOT_FOUND;
259 if (!val && (o->type != AV_OPT_TYPE_STRING &&
260 o->type != AV_OPT_TYPE_PIXEL_FMT && o->type != AV_OPT_TYPE_SAMPLE_FMT &&
261 o->type != AV_OPT_TYPE_IMAGE_SIZE && o->type != AV_OPT_TYPE_VIDEO_RATE &&
262 o->type != AV_OPT_TYPE_DURATION))
263 return AVERROR(EINVAL);
265 dst = ((uint8_t*)target_obj) + o->offset;
267 case AV_OPT_TYPE_STRING: return set_string(obj, o, val, dst);
268 case AV_OPT_TYPE_BINARY: return set_string_binary(obj, o, val, dst);
269 case AV_OPT_TYPE_FLAGS:
270 case AV_OPT_TYPE_INT:
271 case AV_OPT_TYPE_INT64:
272 case AV_OPT_TYPE_FLOAT:
273 case AV_OPT_TYPE_DOUBLE:
274 case AV_OPT_TYPE_RATIONAL: return set_string_number(obj, target_obj, o, val, dst);
275 case AV_OPT_TYPE_IMAGE_SIZE:
276 if (!val || !strcmp(val, "none")) {
277 *(int *)dst = *((int *)dst + 1) = 0;
280 ret = av_parse_video_size(dst, ((int *)dst) + 1, val);
282 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as image size\n", val);
284 case AV_OPT_TYPE_VIDEO_RATE:
286 ret = AVERROR(EINVAL);
288 ret = av_parse_video_rate(dst, val);
291 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as video rate\n", val);
293 case AV_OPT_TYPE_PIXEL_FMT:
294 if (!val || !strcmp(val, "none")) {
295 ret = AV_PIX_FMT_NONE;
297 ret = av_get_pix_fmt(val);
298 if (ret == AV_PIX_FMT_NONE) {
300 ret = strtol(val, &tail, 0);
301 if (*tail || (unsigned)ret >= AV_PIX_FMT_NB) {
302 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as pixel format\n", val);
303 return AVERROR(EINVAL);
307 *(enum AVPixelFormat *)dst = ret;
309 case AV_OPT_TYPE_SAMPLE_FMT:
310 if (!val || !strcmp(val, "none")) {
311 ret = AV_SAMPLE_FMT_NONE;
313 ret = av_get_sample_fmt(val);
314 if (ret == AV_SAMPLE_FMT_NONE) {
316 ret = strtol(val, &tail, 0);
317 if (*tail || (unsigned)ret >= AV_SAMPLE_FMT_NB) {
318 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as sample format\n", val);
319 return AVERROR(EINVAL);
323 *(enum AVSampleFormat *)dst = ret;
325 case AV_OPT_TYPE_DURATION:
330 if ((ret = av_parse_time(dst, val, 1)) < 0)
331 av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as duration\n", val);
336 av_log(obj, AV_LOG_ERROR, "Invalid option type.\n");
337 return AVERROR(EINVAL);
340 #define OPT_EVAL_NUMBER(name, opttype, vartype)\
341 int av_opt_eval_ ## name(void *obj, const AVOption *o, const char *val, vartype *name ## _out)\
343 if (!o || o->type != opttype)\
344 return AVERROR(EINVAL);\
345 return set_string_number(obj, obj, o, val, name ## _out);\
348 OPT_EVAL_NUMBER(flags, AV_OPT_TYPE_FLAGS, int)
349 OPT_EVAL_NUMBER(int, AV_OPT_TYPE_INT, int)
350 OPT_EVAL_NUMBER(int64, AV_OPT_TYPE_INT64, int64_t)
351 OPT_EVAL_NUMBER(float, AV_OPT_TYPE_FLOAT, float)
352 OPT_EVAL_NUMBER(double, AV_OPT_TYPE_DOUBLE, double)
353 OPT_EVAL_NUMBER(q, AV_OPT_TYPE_RATIONAL, AVRational)
355 static int set_number(void *obj, const char *name, double num, int den, int64_t intnum,
358 void *dst, *target_obj;
359 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
361 if (!o || !target_obj)
362 return AVERROR_OPTION_NOT_FOUND;
364 dst = ((uint8_t*)target_obj) + o->offset;
365 return write_number(obj, o, dst, num, den, intnum);
368 #if FF_API_OLD_AVOPTIONS
369 const AVOption *av_set_double(void *obj, const char *name, double n)
371 const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
372 if (set_number(obj, name, n, 1, 1, 0) < 0)
377 const AVOption *av_set_q(void *obj, const char *name, AVRational n)
379 const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
380 if (set_number(obj, name, n.num, n.den, 1, 0) < 0)
385 const AVOption *av_set_int(void *obj, const char *name, int64_t n)
387 const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
388 if (set_number(obj, name, 1, 1, n, 0) < 0)
394 int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
396 return set_number(obj, name, 1, 1, val, search_flags);
399 int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
401 return set_number(obj, name, val, 1, 1, search_flags);
404 int av_opt_set_q(void *obj, const char *name, AVRational val, int search_flags)
406 return set_number(obj, name, val.num, val.den, 1, search_flags);
409 int av_opt_set_bin(void *obj, const char *name, const uint8_t *val, int len, int search_flags)
412 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
417 if (!o || !target_obj)
418 return AVERROR_OPTION_NOT_FOUND;
420 if (o->type != AV_OPT_TYPE_BINARY)
421 return AVERROR(EINVAL);
423 ptr = len ? av_malloc(len) : NULL;
425 return AVERROR(ENOMEM);
427 dst = (uint8_t **)(((uint8_t *)target_obj) + o->offset);
428 lendst = (int *)(dst + 1);
434 memcpy(ptr, val, len);
439 int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_flags)
442 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
444 if (!o || !target_obj)
445 return AVERROR_OPTION_NOT_FOUND;
446 if (o->type != AV_OPT_TYPE_IMAGE_SIZE) {
447 av_log(obj, AV_LOG_ERROR,
448 "The value set by option '%s' is not an image size.\n", o->name);
449 return AVERROR(EINVAL);
452 av_log(obj, AV_LOG_ERROR,
453 "Invalid negative size value %dx%d for size '%s'\n", w, h, o->name);
454 return AVERROR(EINVAL);
456 *(int *)(((uint8_t *)target_obj) + o->offset) = w;
457 *(int *)(((uint8_t *)target_obj+sizeof(int)) + o->offset) = h;
461 int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags)
464 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
466 if (!o || !target_obj)
467 return AVERROR_OPTION_NOT_FOUND;
468 if (o->type != AV_OPT_TYPE_VIDEO_RATE) {
469 av_log(obj, AV_LOG_ERROR,
470 "The value set by option '%s' is not a video rate.\n", o->name);
471 return AVERROR(EINVAL);
473 if (val.num <= 0 || val.den <= 0)
474 return AVERROR(EINVAL);
475 return set_number(obj, name, val.num, val.den, 1, search_flags);
478 static int set_format(void *obj, const char *name, int fmt, int search_flags,
479 enum AVOptionType type, const char *desc, int nb_fmts)
482 const AVOption *o = av_opt_find2(obj, name, NULL, 0,
483 search_flags, &target_obj);
485 const AVClass *class = *(AVClass **)obj;
487 if (!o || !target_obj)
488 return AVERROR_OPTION_NOT_FOUND;
489 if (o->type != type) {
490 av_log(obj, AV_LOG_ERROR,
491 "The value set by option '%s' is not a %s format", name, desc);
492 return AVERROR(EINVAL);
495 #if LIBAVUTIL_VERSION_MAJOR < 53
496 if (class->version && class->version < AV_VERSION_INT(52, 11, 100)) {
502 min = FFMIN(o->min, -1);
503 max = FFMAX(o->max, nb_fmts-1);
505 if (fmt < min || fmt > max) {
506 av_log(obj, AV_LOG_ERROR,
507 "Value %d for parameter '%s' out of %s format range [%d - %d]\n",
508 fmt, name, desc, min, max);
509 return AVERROR(ERANGE);
511 *(int *)(((uint8_t *)target_obj) + o->offset) = fmt;
515 int av_opt_set_pixel_fmt(void *obj, const char *name, enum AVPixelFormat fmt, int search_flags)
517 return set_format(obj, name, fmt, search_flags, AV_OPT_TYPE_PIXEL_FMT, "pixel", AV_PIX_FMT_NB);
520 int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags)
522 return set_format(obj, name, fmt, search_flags, AV_OPT_TYPE_SAMPLE_FMT, "sample", AV_SAMPLE_FMT_NB);
525 #if FF_API_OLD_AVOPTIONS
528 * @param buf a buffer which is used for returning non string values as strings, can be NULL
529 * @param buf_len allocated length in bytes of buf
531 const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len)
533 const AVOption *o = av_opt_find(obj, name, NULL, 0, AV_OPT_SEARCH_CHILDREN);
539 if (o->type != AV_OPT_TYPE_STRING && (!buf || !buf_len))
542 dst= ((uint8_t*)obj) + o->offset;
543 if (o_out) *o_out= o;
546 case AV_OPT_TYPE_FLAGS: snprintf(buf, buf_len, "0x%08X",*(int *)dst);break;
547 case AV_OPT_TYPE_INT: snprintf(buf, buf_len, "%d" , *(int *)dst);break;
548 case AV_OPT_TYPE_INT64: snprintf(buf, buf_len, "%"PRId64, *(int64_t*)dst);break;
549 case AV_OPT_TYPE_FLOAT: snprintf(buf, buf_len, "%f" , *(float *)dst);break;
550 case AV_OPT_TYPE_DOUBLE: snprintf(buf, buf_len, "%f" , *(double *)dst);break;
551 case AV_OPT_TYPE_RATIONAL: snprintf(buf, buf_len, "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
552 case AV_OPT_TYPE_CONST: snprintf(buf, buf_len, "%f" , o->default_val.dbl);break;
553 case AV_OPT_TYPE_STRING: return *(void**)dst;
554 case AV_OPT_TYPE_BINARY:
555 len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *));
556 if (len >= (buf_len + 1)/2) return NULL;
557 bin = *(uint8_t**)dst;
558 for (i = 0; i < len; i++) snprintf(buf + i*2, 3, "%02X", bin[i]);
560 default: return NULL;
566 int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
568 void *dst, *target_obj;
569 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
570 uint8_t *bin, buf[128];
574 if (!o || !target_obj || (o->offset<=0 && o->type != AV_OPT_TYPE_CONST))
575 return AVERROR_OPTION_NOT_FOUND;
577 dst = (uint8_t*)target_obj + o->offset;
581 case AV_OPT_TYPE_FLAGS: ret = snprintf(buf, sizeof(buf), "0x%08X", *(int *)dst);break;
582 case AV_OPT_TYPE_INT: ret = snprintf(buf, sizeof(buf), "%d" , *(int *)dst);break;
583 case AV_OPT_TYPE_INT64: ret = snprintf(buf, sizeof(buf), "%"PRId64, *(int64_t*)dst);break;
584 case AV_OPT_TYPE_FLOAT: ret = snprintf(buf, sizeof(buf), "%f" , *(float *)dst);break;
585 case AV_OPT_TYPE_DOUBLE: ret = snprintf(buf, sizeof(buf), "%f" , *(double *)dst);break;
586 case AV_OPT_TYPE_VIDEO_RATE:
587 case AV_OPT_TYPE_RATIONAL: ret = snprintf(buf, sizeof(buf), "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
588 case AV_OPT_TYPE_CONST: ret = snprintf(buf, sizeof(buf), "%f" , o->default_val.dbl);break;
589 case AV_OPT_TYPE_STRING:
591 *out_val = av_strdup(*(uint8_t**)dst);
593 *out_val = av_strdup("");
595 case AV_OPT_TYPE_BINARY:
596 len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *));
597 if ((uint64_t)len*2 + 1 > INT_MAX)
598 return AVERROR(EINVAL);
599 if (!(*out_val = av_malloc(len*2 + 1)))
600 return AVERROR(ENOMEM);
601 bin = *(uint8_t**)dst;
602 for (i = 0; i < len; i++)
603 snprintf(*out_val + i*2, 3, "%02X", bin[i]);
605 case AV_OPT_TYPE_IMAGE_SIZE:
606 ret = snprintf(buf, sizeof(buf), "%dx%d", ((int *)dst)[0], ((int *)dst)[1]);
608 case AV_OPT_TYPE_PIXEL_FMT:
609 ret = snprintf(buf, sizeof(buf), "%s", (char *)av_x_if_null(av_get_pix_fmt_name(*(enum AVPixelFormat *)dst), "none"));
611 case AV_OPT_TYPE_SAMPLE_FMT:
612 ret = snprintf(buf, sizeof(buf), "%s", (char *)av_x_if_null(av_get_sample_fmt_name(*(enum AVSampleFormat *)dst), "none"));
614 case AV_OPT_TYPE_DURATION:
615 i64 = *(int64_t *)dst;
616 ret = snprintf(buf, sizeof(buf), "%"PRIi64"d:%02d:%02d.%06d",
617 i64 / 3600000000, (int)((i64 / 60000000) % 60),
618 (int)((i64 / 1000000) % 60), (int)(i64 % 1000000));
621 return AVERROR(EINVAL);
624 if (ret >= sizeof(buf))
625 return AVERROR(EINVAL);
626 *out_val = av_strdup(buf);
630 static int get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum,
633 void *dst, *target_obj;
634 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
635 if (!o || !target_obj)
638 dst = ((uint8_t*)target_obj) + o->offset;
640 if (o_out) *o_out= o;
642 return read_number(o, dst, num, den, intnum);
649 #if FF_API_OLD_AVOPTIONS
650 double av_get_double(void *obj, const char *name, const AVOption **o_out)
656 if (get_number(obj, name, o_out, &num, &den, &intnum, 0) < 0)
658 return num*intnum/den;
661 AVRational av_get_q(void *obj, const char *name, const AVOption **o_out)
667 if (get_number(obj, name, o_out, &num, &den, &intnum, 0) < 0)
668 return (AVRational){0, 0};
669 if (num == 1.0 && (int)intnum == intnum)
670 return (AVRational){intnum, den};
672 return av_d2q(num*intnum/den, 1<<24);
675 int64_t av_get_int(void *obj, const char *name, const AVOption **o_out)
681 if (get_number(obj, name, o_out, &num, &den, &intnum, 0) < 0)
683 return num*intnum/den;
687 int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_val)
693 if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
695 *out_val = num*intnum/den;
699 int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val)
705 if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
707 *out_val = num*intnum/den;
711 int av_opt_get_q(void *obj, const char *name, int search_flags, AVRational *out_val)
717 if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
720 if (num == 1.0 && (int)intnum == intnum)
721 *out_val = (AVRational){intnum, den};
723 *out_val = av_d2q(num*intnum/den, 1<<24);
727 int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_out, int *h_out)
729 void *dst, *target_obj;
730 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
731 if (!o || !target_obj)
732 return AVERROR_OPTION_NOT_FOUND;
733 if (o->type != AV_OPT_TYPE_IMAGE_SIZE) {
734 av_log(obj, AV_LOG_ERROR,
735 "The value for option '%s' is not an image size.\n", name);
736 return AVERROR(EINVAL);
739 dst = ((uint8_t*)target_obj) + o->offset;
740 if (w_out) *w_out = *(int *)dst;
741 if (h_out) *h_out = *((int *)dst+1);
745 int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val)
751 if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
754 if (num == 1.0 && (int)intnum == intnum)
755 *out_val = (AVRational){intnum, den};
757 *out_val = av_d2q(num*intnum/den, 1<<24);
761 static int get_format(void *obj, const char *name, int search_flags, int *out_fmt,
762 enum AVOptionType type, const char *desc)
764 void *dst, *target_obj;
765 const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
766 if (!o || !target_obj)
767 return AVERROR_OPTION_NOT_FOUND;
768 if (o->type != type) {
769 av_log(obj, AV_LOG_ERROR,
770 "The value for option '%s' is not a %s format.\n", desc, name);
771 return AVERROR(EINVAL);
774 dst = ((uint8_t*)target_obj) + o->offset;
775 *out_fmt = *(int *)dst;
779 int av_opt_get_pixel_fmt(void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt)
781 return get_format(obj, name, search_flags, out_fmt, AV_OPT_TYPE_PIXEL_FMT, "pixel");
784 int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt)
786 return get_format(obj, name, search_flags, out_fmt, AV_OPT_TYPE_SAMPLE_FMT, "sample");
789 int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
791 const AVOption *field = av_opt_find(obj, field_name, NULL, 0, 0);
792 const AVOption *flag = av_opt_find(obj, flag_name,
793 field ? field->unit : NULL, 0, 0);
796 if (!field || !flag || flag->type != AV_OPT_TYPE_CONST ||
797 av_opt_get_int(obj, field_name, 0, &res) < 0)
799 return res & flag->default_val.i64;
802 static void log_value(void *av_log_obj, int level, double d)
805 av_log(av_log_obj, level, "INT_MAX");
806 } else if (d == INT_MIN) {
807 av_log(av_log_obj, level, "INT_MIN");
808 } else if (d == (double)INT64_MAX) {
809 av_log(av_log_obj, level, "I64_MAX");
810 } else if (d == INT64_MIN) {
811 av_log(av_log_obj, level, "I64_MIN");
812 } else if (d == FLT_MAX) {
813 av_log(av_log_obj, level, "FLT_MAX");
814 } else if (d == FLT_MIN) {
815 av_log(av_log_obj, level, "FLT_MIN");
817 av_log(av_log_obj, level, "%g", d);
821 static void opt_list(void *obj, void *av_log_obj, const char *unit,
822 int req_flags, int rej_flags)
824 const AVOption *opt=NULL;
828 while ((opt = av_opt_next(obj, opt))) {
829 if (!(opt->flags & req_flags) || (opt->flags & rej_flags))
832 /* Don't print CONST's on level one.
833 * Don't print anything but CONST's on level two.
834 * Only print items from the requested unit.
836 if (!unit && opt->type==AV_OPT_TYPE_CONST)
838 else if (unit && opt->type!=AV_OPT_TYPE_CONST)
840 else if (unit && opt->type==AV_OPT_TYPE_CONST && strcmp(unit, opt->unit))
842 else if (unit && opt->type == AV_OPT_TYPE_CONST)
843 av_log(av_log_obj, AV_LOG_INFO, " %-15s ", opt->name);
845 av_log(av_log_obj, AV_LOG_INFO, " %s%-17s ",
846 (opt->flags & AV_OPT_FLAG_FILTERING_PARAM) ? "" : "-",
850 case AV_OPT_TYPE_FLAGS:
851 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<flags>");
853 case AV_OPT_TYPE_INT:
854 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<int>");
856 case AV_OPT_TYPE_INT64:
857 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<int64>");
859 case AV_OPT_TYPE_DOUBLE:
860 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<double>");
862 case AV_OPT_TYPE_FLOAT:
863 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<float>");
865 case AV_OPT_TYPE_STRING:
866 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<string>");
868 case AV_OPT_TYPE_RATIONAL:
869 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<rational>");
871 case AV_OPT_TYPE_BINARY:
872 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<binary>");
874 case AV_OPT_TYPE_IMAGE_SIZE:
875 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<image_size>");
877 case AV_OPT_TYPE_VIDEO_RATE:
878 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<video_rate>");
880 case AV_OPT_TYPE_PIXEL_FMT:
881 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<pix_fmt>");
883 case AV_OPT_TYPE_SAMPLE_FMT:
884 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<sample_fmt>");
886 case AV_OPT_TYPE_DURATION:
887 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<duration>");
889 case AV_OPT_TYPE_CONST:
891 av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "");
894 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_ENCODING_PARAM) ? 'E' : '.');
895 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_DECODING_PARAM) ? 'D' : '.');
896 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_FILTERING_PARAM)? 'F' : '.');
897 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_VIDEO_PARAM ) ? 'V' : '.');
898 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.');
899 av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.');
902 av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
904 if (av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) >= 0) {
906 case AV_OPT_TYPE_INT:
907 case AV_OPT_TYPE_INT64:
908 case AV_OPT_TYPE_DOUBLE:
909 case AV_OPT_TYPE_FLOAT:
910 case AV_OPT_TYPE_RATIONAL:
911 for (i = 0; i < r->nb_ranges; i++) {
912 av_log(av_log_obj, AV_LOG_INFO, " (from ");
913 log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_min);
914 av_log(av_log_obj, AV_LOG_INFO, " to ");
915 log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_max);
916 av_log(av_log_obj, AV_LOG_INFO, ")");
920 av_opt_freep_ranges(&r);
923 av_log(av_log_obj, AV_LOG_INFO, "\n");
924 if (opt->unit && opt->type != AV_OPT_TYPE_CONST) {
925 opt_list(obj, av_log_obj, opt->unit, req_flags, rej_flags);
930 int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
935 av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass**)obj)->class_name);
937 opt_list(obj, av_log_obj, NULL, req_flags, rej_flags);
942 void av_opt_set_defaults(void *s)
944 #if FF_API_OLD_AVOPTIONS
945 av_opt_set_defaults2(s, 0, 0);
948 void av_opt_set_defaults2(void *s, int mask, int flags)
951 const AVClass *class = *(AVClass **)s;
952 const AVOption *opt = NULL;
953 while ((opt = av_opt_next(s, opt)) != NULL) {
954 #if FF_API_OLD_AVOPTIONS
955 if ((opt->flags & mask) != flags)
959 case AV_OPT_TYPE_CONST:
960 /* Nothing to be done here */
962 case AV_OPT_TYPE_FLAGS:
963 case AV_OPT_TYPE_INT:
964 case AV_OPT_TYPE_INT64:
965 case AV_OPT_TYPE_DURATION:
966 av_opt_set_int(s, opt->name, opt->default_val.i64, 0);
968 case AV_OPT_TYPE_DOUBLE:
969 case AV_OPT_TYPE_FLOAT: {
971 val = opt->default_val.dbl;
972 av_opt_set_double(s, opt->name, val, 0);
975 case AV_OPT_TYPE_RATIONAL: {
977 val = av_d2q(opt->default_val.dbl, INT_MAX);
978 av_opt_set_q(s, opt->name, val, 0);
981 case AV_OPT_TYPE_STRING:
982 case AV_OPT_TYPE_IMAGE_SIZE:
983 case AV_OPT_TYPE_VIDEO_RATE:
984 av_opt_set(s, opt->name, opt->default_val.str, 0);
986 case AV_OPT_TYPE_PIXEL_FMT:
987 #if LIBAVUTIL_VERSION_MAJOR < 53
988 if (class->version && class->version < AV_VERSION_INT(52, 10, 100))
989 av_opt_set(s, opt->name, opt->default_val.str, 0);
992 av_opt_set_pixel_fmt(s, opt->name, opt->default_val.i64, 0);
994 case AV_OPT_TYPE_SAMPLE_FMT:
995 #if LIBAVUTIL_VERSION_MAJOR < 53
996 if (class->version && class->version < AV_VERSION_INT(52, 10, 100))
997 av_opt_set(s, opt->name, opt->default_val.str, 0);
1000 av_opt_set_sample_fmt(s, opt->name, opt->default_val.i64, 0);
1002 case AV_OPT_TYPE_BINARY:
1003 /* Cannot set default for binary */
1006 av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name);
1012 * Store the value in the field in ctx that is named like key.
1013 * ctx must be an AVClass context, storing is done using AVOptions.
1015 * @param buf the string to parse, buf will be updated to point at the
1016 * separator just after the parsed key/value pair
1017 * @param key_val_sep a 0-terminated list of characters used to
1018 * separate key from value
1019 * @param pairs_sep a 0-terminated list of characters used to separate
1020 * two pairs from each other
1021 * @return 0 if the key/value pair has been successfully parsed and
1022 * set, or a negative value corresponding to an AVERROR code in case
1024 * AVERROR(EINVAL) if the key/value pair cannot be parsed,
1025 * the error code issued by av_opt_set() if the key/value pair
1028 static int parse_key_value_pair(void *ctx, const char **buf,
1029 const char *key_val_sep, const char *pairs_sep)
1031 char *key = av_get_token(buf, key_val_sep);
1036 return AVERROR(ENOMEM);
1038 if (*key && strspn(*buf, key_val_sep)) {
1040 val = av_get_token(buf, pairs_sep);
1043 return AVERROR(ENOMEM);
1046 av_log(ctx, AV_LOG_ERROR, "Missing key or no key/value separator found after key '%s'\n", key);
1048 return AVERROR(EINVAL);
1051 av_log(ctx, AV_LOG_DEBUG, "Setting entry with key '%s' to value '%s'\n", key, val);
1053 ret = av_opt_set(ctx, key, val, AV_OPT_SEARCH_CHILDREN);
1054 if (ret == AVERROR_OPTION_NOT_FOUND)
1055 av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
1062 int av_set_options_string(void *ctx, const char *opts,
1063 const char *key_val_sep, const char *pairs_sep)
1071 if ((ret = parse_key_value_pair(ctx, &opts, key_val_sep, pairs_sep)) < 0)
1082 #define WHITESPACES " \n\t"
1084 static int is_key_char(char c)
1086 return (unsigned)((c | 32) - 'a') < 26 ||
1087 (unsigned)(c - '0') < 10 ||
1088 c == '-' || c == '_' || c == '/' || c == '.';
1092 * Read a key from a string.
1094 * The key consists of is_key_char characters and must be terminated by a
1095 * character from the delim string; spaces are ignored.
1097 * @return 0 for success (even with ellipsis), <0 for failure
1099 static int get_key(const char **ropts, const char *delim, char **rkey)
1101 const char *opts = *ropts;
1102 const char *key_start, *key_end;
1104 key_start = opts += strspn(opts, WHITESPACES);
1105 while (is_key_char(*opts))
1108 opts += strspn(opts, WHITESPACES);
1109 if (!*opts || !strchr(delim, *opts))
1110 return AVERROR(EINVAL);
1112 if (!(*rkey = av_malloc(key_end - key_start + 1)))
1113 return AVERROR(ENOMEM);
1114 memcpy(*rkey, key_start, key_end - key_start);
1115 (*rkey)[key_end - key_start] = 0;
1120 int av_opt_get_key_value(const char **ropts,
1121 const char *key_val_sep, const char *pairs_sep,
1123 char **rkey, char **rval)
1126 char *key = NULL, *val;
1127 const char *opts = *ropts;
1129 if ((ret = get_key(&opts, key_val_sep, &key)) < 0 &&
1130 !(flags & AV_OPT_FLAG_IMPLICIT_KEY))
1131 return AVERROR(EINVAL);
1132 if (!(val = av_get_token(&opts, pairs_sep))) {
1134 return AVERROR(ENOMEM);
1142 int av_opt_set_from_string(void *ctx, const char *opts,
1143 const char *const *shorthand,
1144 const char *key_val_sep, const char *pairs_sep)
1147 const char *dummy_shorthand = NULL;
1148 char *av_uninit(parsed_key), *av_uninit(value);
1154 shorthand = &dummy_shorthand;
1157 ret = av_opt_get_key_value(&opts, key_val_sep, pairs_sep,
1158 *shorthand ? AV_OPT_FLAG_IMPLICIT_KEY : 0,
1159 &parsed_key, &value);
1161 if (ret == AVERROR(EINVAL))
1162 av_log(ctx, AV_LOG_ERROR, "No option name near '%s'\n", opts);
1164 av_log(ctx, AV_LOG_ERROR, "Unable to parse '%s': %s\n", opts,
1172 while (*shorthand) /* discard all remaining shorthand */
1175 key = *(shorthand++);
1178 av_log(ctx, AV_LOG_DEBUG, "Setting '%s' to value '%s'\n", key, value);
1179 if ((ret = av_opt_set(ctx, key, value, 0)) < 0) {
1180 if (ret == AVERROR_OPTION_NOT_FOUND)
1181 av_log(ctx, AV_LOG_ERROR, "Option '%s' not found\n", key);
1183 av_free(parsed_key);
1188 av_free(parsed_key);
1194 void av_opt_free(void *obj)
1196 const AVOption *o = NULL;
1197 while ((o = av_opt_next(obj, o)))
1198 if (o->type == AV_OPT_TYPE_STRING || o->type == AV_OPT_TYPE_BINARY)
1199 av_freep((uint8_t *)obj + o->offset);
1202 int av_opt_set_dict(void *obj, AVDictionary **options)
1204 AVDictionaryEntry *t = NULL;
1205 AVDictionary *tmp = NULL;
1208 while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) {
1209 ret = av_opt_set(obj, t->key, t->value, 0);
1210 if (ret == AVERROR_OPTION_NOT_FOUND)
1211 av_dict_set(&tmp, t->key, t->value, 0);
1213 av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value);
1218 av_dict_free(options);
1223 const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
1224 int opt_flags, int search_flags)
1226 return av_opt_find2(obj, name, unit, opt_flags, search_flags, NULL);
1229 const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
1230 int opt_flags, int search_flags, void **target_obj)
1233 const AVOption *o = NULL;
1240 if (search_flags & AV_OPT_SEARCH_CHILDREN) {
1241 if (search_flags & AV_OPT_SEARCH_FAKE_OBJ) {
1242 const AVClass *child = NULL;
1243 while (child = av_opt_child_class_next(c, child))
1244 if (o = av_opt_find2(&child, name, unit, opt_flags, search_flags, NULL))
1248 while (child = av_opt_child_next(obj, child))
1249 if (o = av_opt_find2(child, name, unit, opt_flags, search_flags, target_obj))
1254 while (o = av_opt_next(obj, o)) {
1255 if (!strcmp(o->name, name) && (o->flags & opt_flags) == opt_flags &&
1256 ((!unit && o->type != AV_OPT_TYPE_CONST) ||
1257 (unit && o->type == AV_OPT_TYPE_CONST && o->unit && !strcmp(o->unit, unit)))) {
1259 if (!(search_flags & AV_OPT_SEARCH_FAKE_OBJ))
1270 void *av_opt_child_next(void *obj, void *prev)
1272 const AVClass *c = *(AVClass**)obj;
1274 return c->child_next(obj, prev);
1278 const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev)
1280 if (parent->child_class_next)
1281 return parent->child_class_next(prev);
1285 void *av_opt_ptr(const AVClass *class, void *obj, const char *name)
1287 const AVOption *opt= av_opt_find2(&class, name, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ, NULL);
1290 return (uint8_t*)obj + opt->offset;
1293 int av_opt_query_ranges(AVOptionRanges **ranges_arg, void *obj, const char *key, int flags)
1295 const AVClass *c = *(AVClass**)obj;
1296 int (*callback)(AVOptionRanges **, void *obj, const char *key, int flags) = NULL;
1298 if (c->version > (52 << 16 | 11 << 8))
1299 callback = c->query_ranges;
1302 callback = av_opt_query_ranges_default;
1304 return callback(ranges_arg, obj, key, flags);
1307 int av_opt_query_ranges_default(AVOptionRanges **ranges_arg, void *obj, const char *key, int flags)
1309 AVOptionRanges *ranges = av_mallocz(sizeof(*ranges));
1310 AVOptionRange **range_array = av_mallocz(sizeof(void*));
1311 AVOptionRange *range = av_mallocz(sizeof(*range));
1312 const AVOption *field = av_opt_find(obj, key, NULL, 0, flags);
1317 if (!ranges || !range || !range_array || !field) {
1318 ret = AVERROR(ENOMEM);
1322 ranges->range = range_array;
1323 ranges->range[0] = range;
1324 ranges->nb_ranges = 1;
1325 range->is_range = 1;
1326 range->value_min = field->min;
1327 range->value_max = field->max;
1329 switch (field->type) {
1330 case AV_OPT_TYPE_INT:
1331 case AV_OPT_TYPE_INT64:
1332 case AV_OPT_TYPE_PIXEL_FMT:
1333 case AV_OPT_TYPE_SAMPLE_FMT:
1334 case AV_OPT_TYPE_FLOAT:
1335 case AV_OPT_TYPE_DOUBLE:
1336 case AV_OPT_TYPE_DURATION:
1338 case AV_OPT_TYPE_STRING:
1339 range->component_min = 0;
1340 range->component_max = 0x10FFFF; // max unicode value
1341 range->value_min = -1;
1342 range->value_max = INT_MAX;
1344 case AV_OPT_TYPE_RATIONAL:
1345 range->component_min = INT_MIN;
1346 range->component_max = INT_MAX;
1348 case AV_OPT_TYPE_IMAGE_SIZE:
1349 range->component_min = 0;
1350 range->component_max = INT_MAX/128/8;
1351 range->value_min = 0;
1352 range->value_max = INT_MAX/8;
1354 case AV_OPT_TYPE_VIDEO_RATE:
1355 range->component_min = 1;
1356 range->component_max = INT_MAX;
1357 range->value_min = 1;
1358 range->value_max = INT_MAX;
1361 ret = AVERROR(ENOSYS);
1365 *ranges_arg = ranges;
1370 av_free(range_array);
1374 void av_opt_freep_ranges(AVOptionRanges **rangesp)
1377 AVOptionRanges *ranges = *rangesp;
1379 for (i = 0; i < ranges->nb_ranges; i++) {
1380 AVOptionRange *range = ranges->range[i];
1381 av_freep(&range->str);
1382 av_freep(&ranges->range[i]);
1384 av_freep(&ranges->range);
1390 typedef struct TestContext
1392 const AVClass *class;
1397 AVRational rational;
1398 AVRational video_rate;
1400 enum AVPixelFormat pix_fmt;
1401 enum AVSampleFormat sample_fmt;
1405 #define OFFSET(x) offsetof(TestContext, x)
1407 #define TEST_FLAG_COOL 01
1408 #define TEST_FLAG_LAME 02
1409 #define TEST_FLAG_MU 04
1411 static const AVOption test_options[]= {
1412 {"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 100 },
1413 {"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1 },
1414 {"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, 10 },
1415 {"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, {.str = "default"}, CHAR_MIN, CHAR_MAX },
1416 {"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, INT_MAX, 0, "flags" },
1417 {"cool", "set cool flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_COOL}, INT_MIN, INT_MAX, 0, "flags" },
1418 {"lame", "set lame flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_LAME}, INT_MIN, INT_MAX, 0, "flags" },
1419 {"mu", "set mu flag ", 0, AV_OPT_TYPE_CONST, {.i64 = TEST_FLAG_MU}, INT_MIN, INT_MAX, 0, "flags" },
1420 {"size", "set size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE,{0}, 0, 0 },
1421 {"pix_fmt", "set pixfmt", OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, {.i64 = AV_PIX_FMT_NONE}, -1, AV_PIX_FMT_NB-1},
1422 {"sample_fmt", "set samplefmt", OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, {.i64 = AV_SAMPLE_FMT_NONE}, -1, AV_SAMPLE_FMT_NB-1},
1423 {"video_rate", "set videorate", OFFSET(video_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0 },
1424 {"duration", "set duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX},
1428 static const char *test_get_name(void *ctx)
1433 static const AVClass test_class = {
1443 printf("\nTesting av_set_options_string()\n");
1445 TestContext test_ctx = { 0 };
1446 const char *options[] = {
1462 "flags=+mu-lame : num=42: toggle=0",
1463 "num=42 : string=blahblah",
1464 "rational=0 : rational=1/2 : rational=1/-1",
1477 "video_rate=30000/1001",
1478 "video_rate=30/1.001",
1482 "duration=1\\:23\\:45.67",
1485 test_ctx.class = &test_class;
1486 av_opt_set_defaults(&test_ctx);
1488 av_log_set_level(AV_LOG_DEBUG);
1490 for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
1491 av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
1492 if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
1493 av_log(&test_ctx, AV_LOG_ERROR, "Error setting options string: '%s'\n", options[i]);
1496 av_freep(&test_ctx.string);
1499 printf("\nTesting av_opt_set_from_string()\n");
1501 TestContext test_ctx = { 0 };
1502 const char *options[] = {
1510 " 5 : hello : size = pal ",
1511 "a_very_long_option_name_that_will_need_to_be_ellipsized_around_here=42"
1513 const char *shorthand[] = { "num", "string", NULL };
1515 test_ctx.class = &test_class;
1516 av_opt_set_defaults(&test_ctx);
1517 test_ctx.string = av_strdup("default");
1519 av_log_set_level(AV_LOG_DEBUG);
1521 for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
1522 av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
1523 if (av_opt_set_from_string(&test_ctx, options[i], shorthand, "=", ":") < 0)
1524 av_log(&test_ctx, AV_LOG_ERROR, "Error setting options string: '%s'\n", options[i]);
1527 av_freep(&test_ctx.string);