dtv-scan-tables.git - Digital TV scan tables

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


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