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eitd/SIutils.cpp: add parseDVBtime function

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[CST] Focus
2012-02-08 18:20:28 +04:00
parent 68200158e4
commit 87037520de
2 changed files with 35 additions and 0 deletions
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32
src/eitd/SIutils.cpp
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@@ -85,6 +85,8 @@
#include <time.h>
#include <string.h>
#include "SIutils.hpp"
// Thanks to kwon
time_t changeUTCtoCtime(const unsigned char *buffer, int local_time)
{
@@ -128,6 +130,36 @@ time_t changeUTCtoCtime(const unsigned char *buffer, int local_time)
return mktime(&time) + (local_time ? -timezone : 0);
}
time_t parseDVBtime(uint16_t mjd, uint32_t bcd)
{
int year, month, day, y_, m_, k, hour, minutes, seconds;
y_ = (int) ((mjd - 15078.2) / 365.25);
m_ = (int) ((mjd - 14956.1 - (int) (y_ * 365.25)) / 30.6001);
day = mjd - 14956 - (int) (y_ * 365.25) - (int) (m_ * 30.60001);
hour = (bcd >> 16) & 0xFF;
minutes = (bcd >> 8) & 0xFF;
seconds = bcd & 0xFF;
k = !!((m_ == 14) || (m_ == 15));
year = y_ + k + 1900;
month = m_ - 1 - k * 12;
struct tm time;
memset(&time, 0, sizeof(struct tm));
time.tm_mday = day;
time.tm_mon = month - 1;
time.tm_year = year - 1900;
time.tm_hour = (hour >> 4) * 10 + (hour & 0x0f);
time.tm_min = (minutes >> 4) * 10 + (minutes & 0x0f);
time.tm_sec = (seconds >> 4) * 10 + (seconds & 0x0f);
return mktime(&time) - timezone;
}
// Thanks to tmbinc
int saveStringToXMLfile(FILE *out, const char *c, int /*withControlCodes*/)
{

3
src/eitd/SIutils.hpp
View File

@@ -44,7 +44,10 @@
// Alles neu macht der Mai.
//
//
#include <stdint.h>
time_t changeUTCtoCtime(const unsigned char *buffer, int local_time=1);
time_t parseDVBtime(uint16_t mjd, uint32_t bcd);
// returns the descriptor type as readable text
const char *decode_descr (unsigned char tag_value);