Commit c9df08d7 authored by Christophe Massiot's avatar Christophe Massiot Committed by Georgi Chorbadzhiyski

dvb/si: Move date and time functions to dvb/si/datetime.h

parent a59f13b3
...@@ -38,31 +38,13 @@ ...@@ -38,31 +38,13 @@
#include <bitstream/common.h> #include <bitstream/common.h>
#include <bitstream/mpeg/psi.h> #include <bitstream/mpeg/psi.h>
#include <bitstream/dvb/si/numbers.h> #include <bitstream/dvb/si/numbers.h>
#include <bitstream/dvb/si/datetime.h>
#ifdef __cplusplus #ifdef __cplusplus
extern "C" extern "C"
{ {
#endif #endif
/* EN 300 468 Annex C, year is from 1900 */
static inline uint16_t dvb_mjd_set(int y, int m, int d)
{
int l = (m == 1 || m == 2) ? 1 : 0;
int mjd = 14956 + d + (y - l) * 1461 / 4 + (m + 1 + l * 12) * 306001 / 10000;
return (uint16_t)mjd;
}
static inline void dvb_mjd_get(uint16_t mjd, int *y, int *m, int *d)
{
int k;
int yp = (mjd * 20 - 301564) / 7305;
int mp = (mjd * 10000 - 149561000 - yp * 3652500) / 306001;
*d = mjd - 14956 - yp * 1461 / 4 - mp * 306001 / 10000;
k = (mp == 14 || mp == 15) ? 1 : 0;
*y = yp + k;
*m = mp - 1 - k * 12;
}
/***************************************************************************** /*****************************************************************************
* DVB string * DVB string
*****************************************************************************/ *****************************************************************************/
......
/*****************************************************************************
* datetime.h: ETSI EN 300 468 Date and time functions
*****************************************************************************
* Copyright (C) 2009-2010 VideoLAN
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <bitstream/common.h>
/*
* Normative references:
* - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
*/
#ifndef __BITSTREAM_DVB_DATETIME_H__
#define __BITSTREAM_DVB_DATETIME_H__
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* DVB Date and time functions
*****************************************************************************/
/* EN 300 468 Annex C, year is from 1900 */
static inline uint16_t dvb_mjd_set(int y, int m, int d)
{
int l = (m == 1 || m == 2) ? 1 : 0;
int mjd = 14956 + d + (y - l) * 1461 / 4 + (m + 1 + l * 12) * 306001 / 10000;
return (uint16_t)mjd;
}
static inline void dvb_mjd_get(uint16_t mjd, int *y, int *m, int *d)
{
int k;
int yp = (mjd * 20 - 301564) / 7305;
int mp = (mjd * 10000 - 149561000 - yp * 3652500) / 306001;
*d = mjd - 14956 - yp * 1461 / 4 - mp * 306001 / 10000;
k = (mp == 14 || mp == 15) ? 1 : 0;
*y = yp + k;
*m = mp - 1 - k * 12;
}
#ifdef __cplusplus
}
#endif
#endif
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