static int opt_duration(slotinfo_t* slotinfo, const char *opt, const char *arg)
{
slotinfo->duration = parse_time_or_die(opt, arg, 1);
return 0;
}
int parse_option(void *optctx, const char *opt, const char *arg, const OptionDef *options)
{
const OptionDef *po;
int bool_val = 1;
int *dstcount;
void *dst;
po = find_option(options, opt);
if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
/* handle 'no' bool option */
po = find_option(options, opt + 2);
if (!(po->name && (po->flags & OPT_BOOL)))
goto unknown_opt;
bool_val = 0;
}
if (!po->name)
po = find_option(options, "default");
if (!po->name) {
unknown_opt:
av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
return AVERROR(EINVAL);
}
if (po->flags & HAS_ARG && !arg) {
av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);
return AVERROR(EINVAL);
}
/* new-style options contain an offset into optctx, old-style address of
* a global var*/
dst = po->flags & (OPT_OFFSET|OPT_SPEC) ? (uint8_t*)optctx + po->u.off : po->u.dst_ptr;
if (po->flags & OPT_SPEC) {
SpecifierOpt **so = dst;
char *p = strchr(opt, ':');
dstcount = (int*)(so + 1);
*so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
(*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
dst = &(*so)[*dstcount - 1].u;
}
if (po->flags & OPT_STRING) {
char *str;
str = av_strdup(arg);
*(char**)dst = str;
} else if (po->flags & OPT_BOOL) {
*(int*)dst = bool_val;
} else if (po->flags & OPT_INT) {
*(int*)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
} else if (po->flags & OPT_INT64) {
*(int64_t*)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
} else if (po->flags & OPT_TIME) {
*(int64_t*)dst = parse_time_or_die(opt, arg, 1);
} else if (po->flags & OPT_FLOAT) {
*(float*)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
} else if (po->flags & OPT_DOUBLE) {
*(double*)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);
} else if (po->u.func_arg) {
int ret = po->flags & OPT_FUNC2 ? po->u.func2_arg(optctx, opt, arg) :
po->u.func_arg(opt, arg);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to set value '%s' for option '%s'\n", arg, opt);
return ret;
}
}
if (po->flags & OPT_EXIT)
exit_program(0);
return !!(po->flags & HAS_ARG);
}
static int opt_seek(slotinfo_t* slotinfo, const char *opt, const char *arg)
{
slotinfo->start_time = parse_time_or_die(opt, arg, 1);
return 0;
}
