tvheadend/src/epg.h
Andreas Öman 2948456f41 Store EPG on disk (using a binary format)
Based on work by Jörg Dembski
2011-01-08 13:37:29 +01:00

139 lines
3.5 KiB
C

/*
* Electronic Program Guide - Common functions
* Copyright (C) 2007 Andreas Öman
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EPG_H
#define EPG_H
#include "channels.h"
#include "settings.h"
typedef struct epg_episode {
uint16_t ee_season;
uint16_t ee_episode;
uint16_t ee_part;
char *ee_onscreen;
} epg_episode_t;
/*
* EPG event
*/
typedef struct event {
LIST_ENTRY(event) e_global_link;
struct channel *e_channel;
RB_ENTRY(event) e_channel_link;
int e_refcount;
uint32_t e_id;
uint8_t e_content_type;
time_t e_start; /* UTC time */
time_t e_stop; /* UTC time */
char *e_title; /* UTF-8 encoded */
char *e_desc; /* UTF-8 encoded */
char *e_ext_desc;/* UTF-8 encoded (from extended descriptor) */
char *e_ext_item;/* UTF-8 encoded (from extended descriptor) */
char *e_ext_text;/* UTF-8 encoded (from extended descriptor) */
int e_dvb_id;
epg_episode_t e_episode;
} event_t;
/**
* Prototypes
*/
void epg_init(void);
void epg_save(void);
/**
* All the epg_event_set_ function return 1 if it actually changed
* the EPG records. otherwise it returns 0.
*
* If the caller detects that something has changed, it should call
* epg_event_updated().
*
* There reason to put the burden on the caller is that the caller
* can combine multiple set()'s into one update
*
*/
int epg_event_set_title(event_t *e, const char *title);
int epg_event_set_desc(event_t *e, const char *desc);
int epg_event_set_ext_desc(event_t *e, int ext_dn, const char *desc)
__attribute__ ((warn_unused_result));
int epg_event_set_ext_item(event_t *e, int ext_dn, const char *item)
__attribute__ ((warn_unused_result));
int epg_event_set_ext_text(event_t *e, int ext_dn, const char *text)
__attribute__ ((warn_unused_result));
int epg_event_set_content_type(event_t *e, uint8_t type)
__attribute__ ((warn_unused_result));
int epg_event_set_episode(event_t *e, epg_episode_t *ee)
__attribute__ ((warn_unused_result));
void epg_event_updated(event_t *e);
event_t *epg_event_create(channel_t *ch, time_t start, time_t stop,
int dvb_id, int *created);
event_t *epg_event_find_by_time(channel_t *ch, time_t t);
event_t *epg_event_find_by_id(int eventid);
void epg_unlink_from_channel(channel_t *ch);
/**
*
*/
uint8_t epg_content_group_find_by_name(const char *name);
const char *epg_content_group_get_name(uint8_t type);
/**
*
*/
typedef struct epg_query_result {
event_t **eqr_array;
int eqr_entries;
int eqr_alloced;
} epg_query_result_t;
void epg_query0(epg_query_result_t *eqr, channel_t *ch, channel_tag_t *ct,
uint8_t type, const char *title);
void epg_query(epg_query_result_t *eqr, const char *channel, const char *tag,
const char *contentgroup, const char *title);
void epg_query_free(epg_query_result_t *eqr);
void epg_query_sort(epg_query_result_t *eqr);
#endif /* EPG_H */