include/vlc_epg.h

   1 /*****************************************************************************
   2  * vlc_epg.h: Electronic Program Guide
   3  *****************************************************************************
   4  * Copyright (C) 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef _VLC_EPG_H
  25 #define _VLC_EPG_H 1
  26
  27 typedef struct
  28 {
  29     int64_t i_start;    /* Interpreted as a value return by time() */
  30     int     i_duration;    /* Duration of the event in second */
  31
  32     char    *psz_name;
  33     char    *psz_short_description;
  34     char    *psz_description;
  35
  36 } vlc_epg_event_t;
  37
  38 typedef struct
  39 {
  40     char            *psz_name;
  41     vlc_epg_event_t *p_current; /* Can be null or should be the same than one of pp_event entry */
  42
  43     int             i_event;
  44     vlc_epg_event_t **pp_event;
  45 } vlc_epg_t;
  46
  47 static inline void vlc_epg_Init( vlc_epg_t *p_epg, const char *psz_name )
  48 {
  49     p_epg->psz_name = psz_name ? strdup( psz_name ) : NULL;
  50     p_epg->p_current = NULL;
  51     TAB_INIT( p_epg->i_event, p_epg->pp_event );
  52 }
  53 static inline void vlc_epg_Clean( vlc_epg_t *p_epg )
  54 {
  55     int i;
  56     for( i = 0; i < p_epg->i_event; i++ )
  57     {
  58         vlc_epg_event_t *p_evt = p_epg->pp_event[i];
  59         free( p_evt->psz_name );
  60         free( p_evt->psz_short_description );
  61         free( p_evt->psz_description );
  62         free( p_evt );
  63     }
  64     TAB_CLEAN( p_epg->i_event, p_epg->pp_event );
  65     free( p_epg->psz_name );
  66 }
  67 static inline void vlc_epg_AddEvent( vlc_epg_t *p_epg, int64_t i_start, int i_duration,
  68                                 const char *psz_name, const char *psz_short_description, const char *psz_description )
  69 {
  70     vlc_epg_event_t *p_evt = (vlc_epg_event_t*)malloc( sizeof(vlc_epg_event_t) );
  71     if( !p_evt )
  72         return;
  73     p_evt->i_start = i_start;
  74     p_evt->i_duration = i_duration;
  75     p_evt->psz_name = psz_name ? strdup( psz_name ) : NULL;
  76     p_evt->psz_short_description = psz_short_description ? strdup( psz_short_description ) : NULL;
  77     p_evt->psz_description = psz_description ? strdup( psz_description ) : NULL;
  78     TAB_APPEND_CPP( vlc_epg_event_t, p_epg->i_event, p_epg->pp_event, p_evt );
  79 }
  80
  81 static inline vlc_epg_t *vlc_epg_New( const char *psz_name )
  82 {
  83     vlc_epg_t *p_epg = (vlc_epg_t*)malloc( sizeof(vlc_epg_t) );
  84     if( p_epg )
  85         vlc_epg_Init( p_epg, psz_name );
  86     return p_epg;
  87 }
  88 static inline void vlc_epg_Delete( vlc_epg_t *p_epg )
  89 {
  90     vlc_epg_Clean( p_epg );
  91     free( p_epg );
  92 }
  93 static inline void vlc_epg_SetCurrent( vlc_epg_t *p_epg, int64_t i_start )
  94 {
  95     int i;
  96     p_epg->p_current = NULL;
  97     if( i_start < 0 )
  98         return;
  99
 100     for( i = 0; i < p_epg->i_event; i++ )
 101     {
 102         if( p_epg->pp_event[i]->i_start == i_start )
 103         {
 104             p_epg->p_current = p_epg->pp_event[i];
 105             break;
 106         }
 107     }
 108 }
 109
 110 #endif
 111