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Code Issues Releases Wiki Activity

m_option: never return NOPTS value as number from properties

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MP_NOPTS_VALUE (basically INT64_MIN) is basically an special timestamp
value that means "unset" or "unknown". Its exact value is internal, and
should never be returned or interpreted by any API.

So return "no" instead (what is also what the parser accepts).
This commit is contained in:
wm4 2014-12-10 17:15:43 +01:00
parent 56eb2b71b8
commit d1aabb6316
1 changed files with 36 additions and 5 deletions
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41
options/m_option.c
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@ -2170,6 +2170,7 @@ static int parse_timestring(struct bstr str, double *time, char endchar)
return len;
}
#define HAS_NOPTS(opt) ((opt)->min == MP_NOPTS_VALUE)
static int parse_time(struct mp_log *log, const m_option_t *opt,
struct bstr name, struct bstr param, void *dst)
@ -2179,7 +2180,7 @@ static int parse_time(struct mp_log *log, const m_option_t *opt,
if (param.len == 0)
return M_OPT_MISSING_PARAM;
if (opt->min == MP_NOPTS_VALUE && bstr_equals0(param, "no")) {
if (HAS_NOPTS(opt) == MP_NOPTS_VALUE && bstr_equals0(param, "no")) {
time = MP_NOPTS_VALUE;
} else if (!parse_timestring(param, &time, 0)) {
mp_err(log, "Option %.*s: invalid time: '%.*s'\n",
@ -2192,25 +2193,55 @@ static int parse_time(struct mp_log *log, const m_option_t *opt,
return 1;
}
static char *print_time(const m_option_t *opt, const void *val)
{
double pts = *(double *)val;
if (pts == MP_NOPTS_VALUE && HAS_NOPTS(opt))
return talloc_strdup(NULL, "no"); // symmetry with parsing
return talloc_asprintf(NULL, "%f", pts);
}
static char *pretty_print_time(const m_option_t *opt, const void *val)
{
double pts = *(double *)val;
if (pts == MP_NOPTS_VALUE && opt->min == MP_NOPTS_VALUE)
if (pts == MP_NOPTS_VALUE && HAS_NOPTS(opt))
return talloc_strdup(NULL, "no"); // symmetry with parsing
return mp_format_time(pts, false);
}
static int time_set(const m_option_t *opt, void *dst, struct mpv_node *src)
{
if (HAS_NOPTS(opt) && src->format == MPV_FORMAT_STRING) {
if (strcmp(src->u.string, "no") == 0) {
*(double *)dst = MP_NOPTS_VALUE;
return 1;
}
}
return double_set(opt, dst, src);
}
static int time_get(const m_option_t *opt, void *ta_parent,
struct mpv_node *dst, void *src)
{
if (HAS_NOPTS(opt) && *(double *)src == MP_NOPTS_VALUE) {
dst->format = MPV_FORMAT_STRING;
dst->u.string = talloc_strdup(ta_parent, "no");
return 1;
}
return double_get(opt, ta_parent, dst, src);
}
const m_option_type_t m_option_type_time = {
.name = "Time",
.size = sizeof(double),
.parse = parse_time,
.print = print_double,
.print = print_time,
.pretty_print = pretty_print_time,
.copy = copy_opt,
.add = add_double,
.clamp = clamp_double,
.set = double_set,
.get = double_get,
.set = time_set,
.get = time_get,
};