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120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*****************************************************************************
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* vlc_epg.h: Electronic Program Guide
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*****************************************************************************
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* Copyright (C) 2007 VLC authors and VideoLAN
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU 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 License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_EPG_H
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#define VLC_EPG_H 1
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/**
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* \file
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* This file defines functions and structures for storing dvb epg information
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*/
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typedef struct
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{
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int64_t i_start; /* Interpreted as a value return by time() */
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uint32_t i_duration; /* Duration of the event in second */
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uint16_t i_id; /* Unique event id within the event set */
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char *psz_name;
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char *psz_short_description;
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char *psz_description;
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struct /* Description items in transmission order */
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{
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char *psz_key;
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char *psz_value;
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} * description_items;
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int i_description_items;
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uint8_t i_rating; /* Parental control, set to 0 when undefined */
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} vlc_epg_event_t;
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typedef struct
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{
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char *psz_name;
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uint32_t i_id; /* Unique identifier for this table / events (partial sets) */
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uint16_t i_source_id;/* Channel / Program reference id this epg relates to */
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size_t i_event;
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vlc_epg_event_t **pp_event;
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bool b_present; /* Contains present/following or similar, and sets below */
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const vlc_epg_event_t *p_current; /* NULL, or equal to one of the entries in pp_event */
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} vlc_epg_t;
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/**
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* Creates a new vlc_epg_event_t*
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*
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* You must call vlc_epg_event_Delete to release the associated resources.
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*
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* \p i_id is the event unique id
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* \p i_start start in epoch time
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* \p i_duration event duration in seconds
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*/
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VLC_API vlc_epg_event_t * vlc_epg_event_New(uint16_t i_id,
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int64_t i_start, uint32_t i_duration);
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/**
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* Releases a vlc_epg_event_t*.
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*/
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VLC_API void vlc_epg_event_Delete(vlc_epg_event_t *p_event);
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/**
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* Returns a vlc_epg_event_t * duplicated from \p p_src.
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*
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*/
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VLC_API vlc_epg_event_t * vlc_epg_event_Duplicate(const vlc_epg_event_t *p_src);
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/**
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* It creates a new vlc_epg_t*
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*
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* You must call vlc_epg_Delete to release the associated resource.
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*
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* \p i_id is computed unique id depending on standard (table id, eit number)
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* \p i_source_id is the associated program number
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*/
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VLC_API vlc_epg_t * vlc_epg_New(uint32_t i_id, uint16_t i_source_id);
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/**
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* It releases a vlc_epg_t*.
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*/
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VLC_API void vlc_epg_Delete(vlc_epg_t *p_epg);
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/**
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* It appends a new vlc_epg_event_t to a vlc_epg_t.
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* Takes ownership of \p p_evt or returns false
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*
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* \p p_evt a vlc_epg_event_t * created with vlc_epg_event_New.
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*/
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VLC_API bool vlc_epg_AddEvent(vlc_epg_t *p_epg, vlc_epg_event_t *p_evt);
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/**
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* It set the current event of a vlc_epg_t given a start time
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*/
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VLC_API void vlc_epg_SetCurrent(vlc_epg_t *p_epg, int64_t i_start);
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/**
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* Returns a duplicated \p p_src and its associated events.
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*
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*/
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VLC_API vlc_epg_t * vlc_epg_Duplicate(const vlc_epg_t *p_src);
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#endif
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