int av_parse_time(int64_t *timeval, const char *timestr, int duration)
{
- const char *p;
+ const char *p, *q;
int64_t t;
+ time_t now;
struct tm dt = { 0 };
+ int today = 0, negative = 0, microseconds = 0;
int i;
static const char * const date_fmt[] = {
"%Y-%m-%d",
"%H:%M:%S",
"%H%M%S",
};
- const char *q;
- int is_utc, len;
- char lastch;
- int negative = 0;
-
-#undef time
- time_t now = time(0);
-
- len = strlen(timestr);
- if (len > 0)
- lastch = timestr[len - 1];
- else
- lastch = '\0';
- is_utc = (lastch == 'z' || lastch == 'Z');
p = timestr;
q = NULL;
+ *timeval = INT64_MIN;
if (!duration) {
- if (!av_strncasecmp(timestr, "now", len)) {
+#undef time
+ now = time(0);
+
+ if (!av_strcasecmp(timestr, "now")) {
*timeval = (int64_t) now * 1000000;
return 0;
}
/* parse the year-month-day part */
for (i = 0; i < FF_ARRAY_ELEMS(date_fmt); i++) {
q = small_strptime(p, date_fmt[i], &dt);
- if (q) {
+ if (q)
break;
- }
}
/* if the year-month-day part is missing, then take the
* current year-month-day time */
if (!q) {
- if (is_utc) {
- dt = *gmtime(&now);
- } else {
- dt = *localtime(&now);
- }
- dt.tm_hour = dt.tm_min = dt.tm_sec = 0;
- } else {
- p = q;
+ today = 1;
+ q = p;
}
+ p = q;
if (*p == 'T' || *p == 't' || *p == ' ')
p++;
/* parse the hour-minute-second part */
for (i = 0; i < FF_ARRAY_ELEMS(time_fmt); i++) {
q = small_strptime(p, time_fmt[i], &dt);
- if (q) {
+ if (q)
break;
- }
}
} else {
/* parse timestr as a duration */
if (!q) {
/* parse timestr as S+ */
dt.tm_sec = strtol(p, (void *)&q, 10);
- if (q == p) {
- /* the parsing didn't succeed */
- *timeval = INT64_MIN;
+ if (q == p) /* the parsing didn't succeed */
return AVERROR(EINVAL);
- }
dt.tm_min = 0;
dt.tm_hour = 0;
}
}
/* Now we have all the fields that we can get */
- if (!q) {
- *timeval = INT64_MIN;
+ if (!q)
return AVERROR(EINVAL);
+
+ /* parse the .m... part */
+ if (*q == '.') {
+ int n;
+ q++;
+ for (n = 100000; n >= 1; n /= 10, q++) {
+ if (!isdigit(*q))
+ break;
+ microseconds += n * (*q - '0');
+ }
}
if (duration) {
t = dt.tm_hour * 3600 + dt.tm_min * 60 + dt.tm_sec;
} else {
- dt.tm_isdst = -1; /* unknown */
- if (is_utc) {
- t = av_timegm(&dt);
- } else {
- t = mktime(&dt);
+ int is_utc = *q == 'Z' || *q == 'z';
+ q += is_utc;
+ if (today) { /* fill in today's date */
+ struct tm dt2 = is_utc ? *gmtime(&now) : *localtime(&now);
+ dt2.tm_hour = dt.tm_hour;
+ dt2.tm_min = dt.tm_min;
+ dt2.tm_sec = dt.tm_sec;
+ dt = dt2;
}
+ t = is_utc ? av_timegm(&dt) : mktime(&dt);
}
- t *= 1000000;
+ /* Check that we are at the end of the string */
+ if (*q)
+ return AVERROR(EINVAL);
- /* parse the .m... part */
- if (*q == '.') {
- int val, n;
- q++;
- for (val = 0, n = 100000; n >= 1; n /= 10, q++) {
- if (!isdigit(*q))
- break;
- val += n * (*q - '0');
- }
- t += val;
- }
+ t *= 1000000;
+ t += microseconds;
*timeval = negative ? -t : t;
return 0;
}