qt_demoe/video/playvlc/vlc/vlc3/include64/plugins/vlc_epg.h

121 lines
3.8 KiB
C

/*****************************************************************************
* vlc_epg.h: Electronic Program Guide
*****************************************************************************
* Copyright (C) 2007 VLC authors and VideoLAN
* $Id: f7b9044e7c0aa1af4a44066d73f2ead943fc6a46 $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_EPG_H
#define VLC_EPG_H 1
/**
* \file
* This file defines functions and structures for storing dvb epg information
*/
typedef struct
{
int64_t i_start; /* Interpreted as a value return by time() */
uint32_t i_duration; /* Duration of the event in second */
uint16_t i_id; /* Unique event id withing the event set */
char *psz_name;
char *psz_short_description;
char *psz_description;
struct /* Description items in tranmission order */
{
char *psz_key;
char *psz_value;
} * description_items;
int i_description_items;
uint8_t i_rating; /* Parental control, set to 0 when undefined */
} vlc_epg_event_t;
typedef struct
{
char *psz_name;
uint32_t i_id; /* Unique identifier for this table / events (partial sets) */
uint16_t i_source_id;/* Channel / Program reference id this epg relates to */
size_t i_event;
vlc_epg_event_t **pp_event;
bool b_present; /* Contains present/following or similar, and sets below */
const vlc_epg_event_t *p_current; /* NULL, or equal to one of the entries in pp_event */
} vlc_epg_t;
/**
* Creates a new vlc_epg_event_t*
*
* You must call vlc_epg_event_Delete to release the associated resources.
*
* \p i_id is the event unique id
* \p i_start start in epoch time
* \p i_duration event duration in seconds
*/
VLC_API vlc_epg_event_t * vlc_epg_event_New(uint16_t i_id,
int64_t i_start, uint32_t i_duration);
/**
* Releases a vlc_epg_event_t*.
*/
VLC_API void vlc_epg_event_Delete(vlc_epg_event_t *p_event);
/**
* Returns a vlc_epg_event_t * duplicated from \p p_src.
*
*/
VLC_API vlc_epg_event_t * vlc_epg_event_Duplicate(const vlc_epg_event_t *p_src);
/**
* It creates a new vlc_epg_t*
*
* You must call vlc_epg_Delete to release the associated resource.
*
* \p i_id is computed unique id depending on standard (table id, eit number)
* \p i_source_id is the associated program number
*/
VLC_API vlc_epg_t * vlc_epg_New(uint32_t i_id, uint16_t i_source_id);
/**
* It releases a vlc_epg_t*.
*/
VLC_API void vlc_epg_Delete(vlc_epg_t *p_epg);
/**
* It appends a new vlc_epg_event_t to a vlc_epg_t.
* Takes ownership of \p p_evt or returns false
*
* \p p_evt a vlc_epg_event_t * created with vlc_epg_event_New.
*/
VLC_API bool vlc_epg_AddEvent(vlc_epg_t *p_epg, vlc_epg_event_t *p_evt);
/**
* It set the current event of a vlc_epg_t given a start time
*/
VLC_API void vlc_epg_SetCurrent(vlc_epg_t *p_epg, int64_t i_start);
/**
* Returns a duplicated \p p_src and its associated events.
*
*/
VLC_API vlc_epg_t * vlc_epg_Duplicate(const vlc_epg_t *p_src);
#endif