git.sesse.net Git - vlc/blob - src/control/media_library.c

   1 /*****************************************************************************
   2  * tree.c: libvlc tags tree functions
   3  * Create a tree of the 'tags' of a media_list's medias.
   4  *****************************************************************************
   5  * Copyright (C) 2007 the VideoLAN team
   6  * $Id$
   7  *
   8  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #include <vlc/libvlc.h>
  26 #include <vlc/libvlc_media.h>
  27 #include <vlc/libvlc_media_list.h>
  28 #include <vlc/libvlc_media_library.h>
  29 #include <vlc/libvlc_events.h>
  30
  31 #include <vlc_common.h>
  32
  33 #include "libvlc_internal.h"
  34
  35 struct libvlc_media_library_t
  36 {
  37     libvlc_event_manager_t * p_event_manager;
  38     libvlc_instance_t *      p_libvlc_instance;
  39     int                      i_refcount;
  40     libvlc_media_list_t *    p_mlist;
  41 };
  42
  43
  44 /*
  45  * Private functions
  46  */
  47
  48 /*
  49  * Public libvlc functions
  50  */
  51
  52 /**************************************************************************
  53  *       new (Public)
  54  **************************************************************************/
  55 libvlc_media_library_t *
  56 libvlc_media_library_new( libvlc_instance_t * p_inst,
  57                           libvlc_exception_t * p_e )
  58 {
  59     (void)p_e;
  60     libvlc_media_library_t * p_mlib;
  61
  62     p_mlib = malloc(sizeof(libvlc_media_library_t));
  63
  64     if( !p_mlib )
  65         return NULL;
  66
  67     p_mlib->p_libvlc_instance = p_inst;
  68     p_mlib->i_refcount = 1;
  69     p_mlib->p_mlist = NULL;
  70
  71     p_mlib->p_event_manager = libvlc_event_manager_new( p_mlib, p_inst, p_e );
  72
  73     return p_mlib;
  74 }
  75
  76 /**************************************************************************
  77  *       release (Public)
  78  **************************************************************************/
  79 void libvlc_media_library_release( libvlc_media_library_t * p_mlib )
  80 {
  81     p_mlib->i_refcount--;
  82
  83     if( p_mlib->i_refcount > 0 )
  84         return;
  85
  86     libvlc_event_manager_release( p_mlib->p_event_manager );
  87     free( p_mlib );
  88 }
  89
  90 /**************************************************************************
  91  *       retain (Public)
  92  **************************************************************************/
  93 void libvlc_media_library_retain( libvlc_media_library_t * p_mlib )
  94 {
  95     p_mlib->i_refcount++;
  96 }
  97
  98 /**************************************************************************
  99  *       load (Public)
 100  *
 101  * It doesn't yet load the playlists
 102  **************************************************************************/
 103 void
 104 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
 105                            libvlc_exception_t * p_e )
 106 {
 107     char *psz_datadir = config_GetUserDataDir();
 108     char * psz_uri;
 109
 110     if( !psz_datadir ) /* XXX: i doubt that this can ever happen */
 111     {
 112         libvlc_exception_raise( p_e, "Can't get data directory" );
 113         return;
 114     }
 115
 116     if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
 117                   psz_datadir ) == -1 )
 118     {
 119         free( psz_datadir );
 120         libvlc_exception_raise( p_e, "Can't get create the path" );
 121         return;
 122     }
 123     free( psz_datadir );
 124     if( p_mlib->p_mlist )
 125         libvlc_media_list_release( p_mlib->p_mlist );
 126
 127     p_mlib->p_mlist = libvlc_media_list_new(
 128                         p_mlib->p_libvlc_instance,
 129                         p_e );
 130
 131     libvlc_media_list_add_file_content( p_mlib->p_mlist, psz_uri, p_e );
 132     free( psz_uri );
 133     return;
 134 }
 135
 136 /**************************************************************************
 137  *       save (Public)
 138  **************************************************************************/
 139 void
 140 libvlc_media_library_save( libvlc_media_library_t * p_mlib,
 141                            libvlc_exception_t * p_e )
 142 {
 143     (void)p_mlib;
 144     libvlc_exception_raise( p_e, "Not supported" );
 145 }
 146
 147 /**************************************************************************
 148  *        media_list (Public)
 149  **************************************************************************/
 150 libvlc_media_list_t *
 151 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
 152                                      libvlc_exception_t * p_e )
 153 {
 154     (void)p_e;
 155     if( p_mlib->p_mlist )
 156         libvlc_media_list_retain( p_mlib->p_mlist );
 157     return p_mlib->p_mlist;
 158 }