177     const OptionDef *po;  in show_help_options()  local
181     for (po = options; po->name; po++) {  in show_help_options()
184         if (((po->flags & req_flags) != req_flags) ||  in show_help_options()
185             (alt_flags && !(po->flags & alt_flags)) ||  in show_help_options()
186             (po->flags & rej_flags))  in show_help_options()
193         av_strlcpy(buf, po->name, sizeof(buf));  in show_help_options()
194         if (po->argname) {  in show_help_options()
196             av_strlcat(buf, po->argname, sizeof(buf));  in show_help_options()
198         printf("-%-17s  %s\n", buf, po->help);  in show_help_options()
216 static const OptionDef *find_option(const OptionDef *po, const char *name)  in find_option()  argument
218     while (po->name) {  in find_option()
220         if (av_strstart(name, po->name, &end) && (!*end || *end == ':'))  in find_option()
222         po++;  in find_option()
224     return po;  in find_option()
291 static int write_option(void *optctx, const OptionDef *po, const char *opt,  in write_option()  argument
296     void *dst = po->flags & (OPT_OFFSET | OPT_SPEC) ?  in write_option()
297                 (uint8_t *)optctx + po->u.off : po->u.dst_ptr;  in write_option()
300     if (po->flags & OPT_SPEC) {  in write_option()
314     if (po->flags & OPT_STRING) {  in write_option()
321     } else if (po->flags & OPT_BOOL || po->flags & OPT_INT) {  in write_option()
323     } else if (po->flags & OPT_INT64) {  in write_option()
325     } else if (po->flags & OPT_TIME) {  in write_option()
327     } else if (po->flags & OPT_FLOAT) {  in write_option()
329     } else if (po->flags & OPT_DOUBLE) {  in write_option()
331     } else if (po->u.func_arg) {  in write_option()
332         int ret = po->u.func_arg(optctx, opt, arg);  in write_option()
340     if (po->flags & OPT_EXIT)  in write_option()
349     const OptionDef *po;  in parse_option()  local
352     po = find_option(options, opt);  in parse_option()
353     if (!po->name && opt[0] == 'n' && opt[1] == 'o') {  in parse_option()
355         po = find_option(options, opt + 2);  in parse_option()
356         if ((po->name && (po->flags & OPT_BOOL)))  in parse_option()
358     } else if (po->flags & OPT_BOOL)  in parse_option()
361     if (!po->name)  in parse_option()
362         po = find_option(options, "default");  in parse_option()
363     if (!po->name) {  in parse_option()
367     if (po->flags & HAS_ARG && !arg) {  in parse_option()
372     ret = write_option(optctx, po, opt, arg);  in parse_option()
376     return !!(po->flags & HAS_ARG);  in parse_option()
446     const OptionDef *po;  in locate_option()  local
455         po = find_option(options, cur_opt);  in locate_option()
456         if (!po->name && cur_opt[0] == 'n' && cur_opt[1] == 'o')  in locate_option()
457             po = find_option(options, cur_opt + 2);  in locate_option()
459         if ((!po->name && !strcmp(cur_opt, optname)) ||  in locate_option()
460              (po->name && !strcmp(optname, po->name)))  in locate_option()
463         if (!po->name || po->flags & HAS_ARG)  in locate_option()
493 static void check_options(const OptionDef *po)  in check_options()  argument
495     while (po->name) {  in check_options()
496         if (po->flags & OPT_PERFILE)  in check_options()
497             av_assert0(po->flags & (OPT_INPUT | OPT_OUTPUT));  in check_options()
498         po++;  in check_options()
764         const OptionDef *po;  in split_commandline()  local
800         po = find_option(options, opt);  in split_commandline()
801         if (po->name) {  in split_commandline()
802             if (po->flags & OPT_EXIT) {  in split_commandline()
805             } else if (po->flags & HAS_ARG) {  in split_commandline()
811             add_opt(octx, po, opt, arg);  in split_commandline()
813                    "argument '%s'.\n", po->name, po->help, arg);  in split_commandline()
834             (po = find_option(options, opt + 2)) &&  in split_commandline()
835             po->name && po->flags & OPT_BOOL) {  in split_commandline()
836             add_opt(octx, po, opt, "0");  in split_commandline()
838                    "argument 0.\n", po->name, po->help);  in split_commandline()