int av_opt_set_dict2(void *obj, AVDictionary **options, int search_flags) { AVDictionaryEntry *t = NULL; AVDictionary *tmp = NULL; int ret = 0; if (!options) return 0; while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) { ret = av_opt_set(obj, t->key, t->value, search_flags); if (ret == AVERROR_OPTION_NOT_FOUND) av_dict_set(&tmp, t->key, t->value, 0); else if (ret < 0) { av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value); break; } ret = 0; } av_dict_free(options); *options = tmp; return ret; }