dvbhelpers.c

来自「MiniWinOuterSM MiniWinOuterSM」· C语言 代码 · 共 61 行

// MainFreq.c: implementation of the MainFreq class.
//
//////////////////////////////////////////////////////////////////////

#include "dvbutils.h"
#include"PrNvm.h"
#include"dvbepg.h"
#include"PrTuner.h"
#include"PrVideo.h"
#include"PrAudio.h"

VOID MJDToSystemTime(LPSYSTEMTIME st,USHORT mjd,INT utc)
{
	USHORT y,m,d;
	GetYMDFromMJD(mjd,&y,&m,&d);
	st->wYear=(WORD)y;
	st->wMonth=(WORD)m;
	st->wDay=(WORD)d;
	st->wDayOfWeek=GetWeekDay(mjd);
	GetHMSFromUTC(utc,&st->wHour,&st->wMinute,&st->wSecond);
	st->wYear+=1900;
	//TRACE("MJDToSystemTime(%04X %06X)=%d/%d/%d %d:%d:%d\r\n",
	//	mjd,utc,y+1900,m,d,st->wHour,st->wMinute,st->wSecond);
}
VOID MJDToLocalTime(LPSYSTEMTIME st,USHORT mjd,INT utc)
{
	USHORT y,m,d;
	FILETIME ft;
	TIME_ZONE_INFORMATION tz;
	GetYMDFromMJD(mjd,&y,&m,&d);
	st->wYear=(WORD)y;
	st->wMonth=(WORD)m;
	st->wDay=(WORD)d;
	st->wDayOfWeek=GetWeekDay(mjd);
	GetHMSFromUTC(utc,&st->wHour,&st->wMinute,&st->wSecond);
	st->wYear+=1900;
	SystemTimeToFileTime(st,&ft);
	GetTimeZoneInformation(&tz);
	ft.dwLowDateTime-=tz.Bias;
	FileTimeToSystemTime(&ft,st);
}
DWORD UTCTime2SecondsFrom1970(USHORT mjd,INT utc)
{
	SYSTEMTIME st;
	FILETIME ft;
	MJDToSystemTime(&st,mjd,utc);
	SystemTimeToFileTime(&st,&ft);
	//TRACE("UTCTime2SecondsFrom1970(%04X %06X)=%X\r\n",mjd,utc,ft.dwLowDateTime);
	return ft.dwLowDateTime;
}
VOID MJDToFileTime(LPFILETIME ft,USHORT mjd,INT utc)
{
	SYSTEMTIME st;
	MJDToSystemTime(&st,mjd,utc);
	SystemTimeToFileTime(&st,ft);
}
VOID SystemTimeToMJD(LPSYSTEMTIME st,INT*mjd,INT*utc)
{

}