include/vlc_vod.h

   1 /*****************************************************************************
   2  * vlc_vod.h: interface for VoD server modules
   3  *****************************************************************************
   4  * Copyright (C) 2000, 2001 the VideoLAN team
   5  * $Id$
   6  *
   7  * Author: Gildas Bazin <gbazin@videolan.org>
   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_VOD_H
  25 #define VLC_VOD_H 1
  26
  27 /**
  28  * \file
  29  * This file defines an interface for VOD server modules in vlc
  30  */
  31
  32 /**
  33  * \defgroup vod Video On Demand (VOD)
  34  * \ingroup server
  35  * Video On Demand (VOD) functionality is provided from VLM.
  36  * @{
  37  */
  38
  39 struct vod_t
  40 {
  41     VLC_COMMON_MEMBERS
  42
  43     /* Module properties */
  44     module_t  *p_module;
  45     vod_sys_t *p_sys;
  46
  47     vod_media_t * (*pf_media_new)   ( vod_t *, const char *, input_item_t * );
  48     void          (*pf_media_del)   ( vod_t *, vod_media_t * );
  49     int           (*pf_media_add_es)( vod_t *, vod_media_t *, es_format_t * );
  50     void          (*pf_media_del_es)( vod_t *, vod_media_t *, es_format_t * );
  51
  52     /* Owner properties */
  53     int (*pf_media_control) ( void *, vod_media_t *, const char *, int, va_list );
  54     void *p_data;
  55 };
  56
  57 static inline int vod_MediaControl( vod_t *p_vod, vod_media_t *p_media,
  58                                     const char *psz_id, int i_query, ... )
  59 {
  60     va_list args;
  61     int i_result;
  62
  63     if( !p_vod->pf_media_control ) return VLC_EGENERIC;
  64
  65     va_start( args, i_query );
  66     i_result = p_vod->pf_media_control( p_vod->p_data, p_media, psz_id,
  67                                         i_query, args );
  68     va_end( args );
  69     return i_result;
  70 }
  71
  72 enum vod_query_e
  73 {
  74     VOD_MEDIA_PLAY,         /* arg1= char *         res=    */
  75     VOD_MEDIA_PAUSE,        /* arg1=                res=    */
  76     VOD_MEDIA_STOP,         /* arg1=                res=can fail    */
  77     VOD_MEDIA_SEEK,         /* arg1= double         res=    */
  78     VOD_MEDIA_REWIND,       /* arg1= double         res=    */
  79     VOD_MEDIA_FORWARD,      /* arg1= double         res=    */
  80 };
  81
  82 /**
  83  * @}
  84  */
  85
  86 #endif