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128 lines
3.5 KiB
128 lines
3.5 KiB
/*
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* section and descriptor parser
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*
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* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _UCSI_DVB_TYPES_H
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#define _UCSI_DVB_TYPES_H 1
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdint.h>
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#include <time.h>
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typedef uint8_t dvbdate_t[5];
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typedef uint8_t dvbduration_t[3];
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typedef uint8_t dvbhhmm_t[2];
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/**
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* Running status values.
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*/
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enum {
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DVB_RUNNING_STATUS_NOT_RUNNING = 0x01,
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DVB_RUNNING_STATUS_FEW_SECONDS = 0x02,
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DVB_RUNNING_STATUS_PAUSING = 0x03,
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DVB_RUNNING_STATUS_RUNNING = 0x04,
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};
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/**
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* Convert from a 5 byte DVB UTC date to unix time.
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* Note: this functions expects the DVB date in network byte order.
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*
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* @param d Pointer to DVB date.
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* @return The unix timestamp, or -1 if the dvbdate was set to the 'undefined' value
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*/
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extern time_t dvbdate_to_unixtime(dvbdate_t dvbdate);
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/**
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* Convert from a unix timestemp to a 5 byte DVB UTC date.
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* Note: this function will always output the DVB date in
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* network byte order.
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*
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* @param unixtime The unix timestamp, or -1 for the 'undefined' value.
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* @param utc Pointer to 5 byte DVB date.
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*/
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extern void unixtime_to_dvbdate(time_t unixtime, dvbdate_t dvbdate);
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/**
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* Convert from a DVB BCD duration to a number of seconds.
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*
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* @param dvbduration Pointer to 3 byte DVB duration.
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* @return Number of seconds.
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*/
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extern int dvbduration_to_seconds(dvbduration_t dvbduration);
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/**
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* Convert from a number of seconds to a DVB 3 byte BCD duration.
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*
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* @param seconds The number of seconds.
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* @param dvbduration Pointer to 3 byte DVB duration.
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*/
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extern void seconds_to_dvbduration(int seconds, dvbduration_t dvbduration);
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/**
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* Convert from a DVB BCD HHMM to a number of seconds.
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*
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* @param dvbduration Pointer to 2 byte DVB HHMM.
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* @return Number of seconds.
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*/
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extern int dvbhhmm_to_seconds(dvbhhmm_t dvbhhmm);
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/**
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* Convert from a number of seconds to a DVB 2 byte BCD HHMM.
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*
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* @param seconds The number of seconds.
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* @param dvbduration Pointer to 2 byte DVB HHMM.
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*/
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extern void seconds_to_dvbhhmm(int seconds, dvbhhmm_t dvbhhmm);
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/**
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* Convert a __ucsi_packed BCD value into a normal integer.
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*
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* @param bcd The value to convert.
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* @return The value.
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*/
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extern uint32_t bcd_to_integer(uint32_t bcd);
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/**
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* Convert a normal integer into a __ucsi_packed BCD value.
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*
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* @param integer The value to convert.
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* @return The value.
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*/
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extern uint32_t integer_to_bcd(uint32_t integer);
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/**
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* Determine the (iconv compatable) character set of a dvb string.
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*
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* @param dvb_text DVB text concerned.
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* @param dvb_text_length Length of text.
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* @param consumed Out parameter of number of bytes used to encode the character set.
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* @return Name of the character set.
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*/
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extern const char *dvb_charset(char *dvb_text, int dvb_text_length, int *consumed);
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#ifdef __cplusplus
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}
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#endif
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#endif
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