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 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <vlc/libvlc.h>
  30 #include <vlc/libvlc_media.h>
  31 #include <vlc/libvlc_media_list.h>
  32 #include <vlc/libvlc_media_library.h>
  33 #include <vlc/libvlc_events.h>
  34
  35 #include <vlc_common.h>
  36
  37 #include "libvlc_internal.h"
  38
  39 struct libvlc_media_library_t
  40 {
  41     libvlc_event_manager_t * p_event_manager;
  42     libvlc_instance_t *      p_libvlc_instance;
  43     int                      i_refcount;
  44     libvlc_media_list_t *    p_mlist;
  45 };
  46
  47
  48 /*
  49  * Private functions
  50  */
  51
  52 /*
  53  * Public libvlc functions
  54  */
  55
  56 /**************************************************************************
  57  *       new (Public)
  58  **************************************************************************/
  59 libvlc_media_library_t *
  60 libvlc_media_library_new( libvlc_instance_t * p_inst,
  61                           libvlc_exception_t * p_e )
  62 {
  63     libvlc_media_library_t * p_mlib;
  64
  65     p_mlib = malloc(sizeof(libvlc_media_library_t));
  66
  67     if( !p_mlib )
  68         return NULL;
  69
  70     p_mlib->p_libvlc_instance = p_inst;
  71     p_mlib->i_refcount = 1;
  72     p_mlib->p_mlist = NULL;
  73
  74     p_mlib->p_event_manager = libvlc_event_manager_new( p_mlib, p_inst );
  75     if( unlikely(p_mlib->p_event_manager == NULL) )
  76     {
  77         free(p_mlib);
  78         return NULL;
  79     }
  80
  81     return p_mlib;
  82 }
  83
  84 /**************************************************************************
  85  *       release (Public)
  86  **************************************************************************/
  87 void libvlc_media_library_release( libvlc_media_library_t * p_mlib )
  88 {
  89     p_mlib->i_refcount--;
  90
  91     if( p_mlib->i_refcount > 0 )
  92         return;
  93
  94     libvlc_event_manager_release( p_mlib->p_event_manager );
  95     free( p_mlib );
  96 }
  97
  98 /**************************************************************************
  99  *       retain (Public)
 100  **************************************************************************/
 101 void libvlc_media_library_retain( libvlc_media_library_t * p_mlib )
 102 {
 103     p_mlib->i_refcount++;
 104 }
 105
 106 /**************************************************************************
 107  *       load (Public)
 108  *
 109  * It doesn't yet load the playlists
 110  **************************************************************************/
 111 void
 112 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
 113                            libvlc_exception_t * p_e )
 114 {
 115     char *psz_datadir = config_GetUserDir( VLC_DATA_DIR );
 116     char * psz_uri;
 117
 118     if( psz_datadir == NULL
 119      || asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
 120                   psz_datadir ) == -1 )
 121         psz_uri = NULL;
 122     free( psz_datadir );
 123
 124     if( psz_uri == NULL )
 125     {
 126         libvlc_exception_raise( p_e );
 127         libvlc_printerr( "Not enough memory" );
 128         return;
 129     }
 130
 131     if( p_mlib->p_mlist )
 132         libvlc_media_list_release( p_mlib->p_mlist );
 133
 134     p_mlib->p_mlist = libvlc_media_list_new(
 135                         p_mlib->p_libvlc_instance,
 136                         p_e );
 137
 138     libvlc_media_list_add_file_content( p_mlib->p_mlist, psz_uri, p_e );
 139     free( psz_uri );
 140     return;
 141 }
 142
 143 /**************************************************************************
 144  *        media_list (Public)
 145  **************************************************************************/
 146 libvlc_media_list_t *
 147 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
 148                                      libvlc_exception_t * p_e )
 149 {
 150     (void)p_e;
 151     if( p_mlib->p_mlist )
 152         libvlc_media_list_retain( p_mlib->p_mlist );
 153     return p_mlib->p_mlist;
 154 }