time_t cSysTime::convert_date(unsigned char *dvb_buf)
{
int i;
int year, month, day, hour, min, sec;
long int mjd;
struct tm dvb_time;
mjd = (dvb_buf[0] & 0xff) << 8;
mjd += (dvb_buf[1] & 0xff);
hour = bcdtoint(dvb_buf[2] & 0xff);
min = bcdtoint(dvb_buf[3] & 0xff);
sec = bcdtoint(dvb_buf[4] & 0xff);
year = (int) ((mjd - 15078.2) / 365.25);
month = (int) ((mjd - 14956.1 - (int) (year * 365.25)) / 30.6001);
day = mjd - 14956 - (int) (year * 365.25) - (int) (month * 30.6001);
if (month == 14 || month == 15)
i = 1;
else
i = 0;
year += i;
month = month - 1 - i * 12;
dvb_time.tm_sec = sec;
dvb_time.tm_min = min;
dvb_time.tm_hour = hour;
dvb_time.tm_mday = day;
dvb_time.tm_mon = month - 1;
dvb_time.tm_year = year;
dvb_time.tm_isdst = -1;
dvb_time.tm_wday = 0;
dvb_time.tm_yday = 0;
return (timegm(&dvb_time));
}
time_t
dvb_convert_date(uint8_t *dvb_buf)
{
int i;
int year, month, day, hour, min, sec;
long int mjd;
struct tm dvb_time;
mjd = (dvb_buf[0] & 0xff) << 8;
mjd += (dvb_buf[1] & 0xff);
hour = bcdtoint(dvb_buf[2] & 0xff);
min = bcdtoint(dvb_buf[3] & 0xff);
sec = bcdtoint(dvb_buf[4] & 0xff);
/*
* Use the routine specified in ETSI EN 300 468 V1.4.1,
* "Specification for Service Information in Digital Video Broadcasting"
* to convert from Modified Julian Date to Year, Month, Day.
*/
year = (int) ((mjd - 15078.2) / 365.25);
month = (int) ((mjd - 14956.1 - (int) (year * 365.25)) / 30.6001);
day = mjd - 14956 - (int) (year * 365.25) - (int) (month * 30.6001);
if (month == 14 || month == 15)
i = 1;
else
i = 0;
year += i;
month = month - 1 - i * 12;
dvb_time.tm_sec = sec;
dvb_time.tm_min = min;
dvb_time.tm_hour = hour;
dvb_time.tm_mday = day;
dvb_time.tm_mon = month - 1;
dvb_time.tm_year = year;
dvb_time.tm_isdst = -1;
dvb_time.tm_wday = 0;
dvb_time.tm_yday = 0;
return (timegm(&dvb_time));
}
