git.sesse.net Git - vlc/blob - src/playlist/loadsave.c

   1 /*****************************************************************************
   2  * loadsave.c : Playlist loading / saving functions
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.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 #include <vlc/vlc.h>
  24 #include <vlc_playlist.h>
  25 #include "playlist_internal.h"
  26 #include <vlc_charset.h>
  27
  28 #include <errno.h>
  29
  30 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
  31                      playlist_item_t *p_export_root,const char *psz_type )
  32 {
  33     module_t *p_module;
  34     playlist_export_t *p_export;
  35
  36     if( p_export_root == NULL ) return VLC_EGENERIC;
  37
  38     msg_Info( p_playlist, "saving %s to file %s",
  39                     p_export_root->p_input->psz_name, psz_filename );
  40
  41     /* Prepare the playlist_export_t structure */
  42     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
  43     if( !p_export)
  44     {
  45         msg_Err( p_playlist, "out of memory" );
  46         return VLC_ENOMEM;
  47     }
  48     p_export->psz_filename = NULL;
  49     if ( psz_filename )
  50         p_export->psz_filename = strdup( psz_filename );
  51     p_export->p_file = utf8_fopen( psz_filename, "wt" );
  52     if( !p_export->p_file )
  53     {
  54         msg_Err( p_playlist , "could not create playlist file %s"
  55                  " (%s)", psz_filename, strerror(errno) );
  56         return VLC_EGENERIC;
  57     }
  58
  59     p_export->p_root = p_export_root;
  60
  61     /* Lock the playlist */
  62     vlc_mutex_lock( &p_playlist->object_lock );
  63     p_playlist->p_private = (void *)p_export;
  64
  65     /* And call the module ! All work is done now */
  66     p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
  67     if( !p_module )
  68     {
  69         msg_Warn( p_playlist, "exporting playlist failed" );
  70         vlc_mutex_unlock( &p_playlist->object_lock );
  71         return VLC_ENOOBJ;
  72     }
  73     module_Unneed( p_playlist , p_module );
  74
  75     /* Clean up */
  76     fclose( p_export->p_file );
  77     if ( p_export->psz_filename )
  78         free( p_export->psz_filename );
  79     free ( p_export );
  80     p_playlist->p_private = NULL;
  81     vlc_mutex_unlock( &p_playlist->object_lock );
  82
  83     return VLC_SUCCESS;
  84 }
  85
  86 int playlist_MLLoad( playlist_t *p_playlist )
  87 {
  88 #ifndef THIS_PIECE_OF_CODE_IS_FIXED // see #1047 and possibly others
  89     (void)p_playlist;
  90 #else
  91     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
  92     input_item_t *p_input;
  93
  94     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
  95     if( !psz_homedir )
  96     {
  97         msg_Err( p_playlist, "no home directory, cannot load media library") ;
  98         return VLC_EGENERIC;
  99     }
 100     asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP CONFIG_DIR DIR_SEP
 101                         "ml.xsp", psz_homedir );
 102
 103     p_input = input_ItemNewExt( p_playlist, psz_uri,
 104                                 _("Media Library"), 0, NULL, -1 );
 105     p_playlist->p_ml_category->p_input = p_input;
 106     p_playlist->p_ml_onelevel->p_input = p_input;
 107
 108     p_playlist->b_doing_ml = VLC_TRUE;
 109     stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
 110     input_Read( p_playlist, p_input, VLC_TRUE );
 111     stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
 112     p_playlist->b_doing_ml = VLC_FALSE;
 113
 114     free( psz_uri );
 115 #endif
 116     return VLC_SUCCESS;
 117 }
 118
 119 int playlist_MLDump( playlist_t *p_playlist )
 120 {
 121     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
 122     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
 123     if( !psz_homedir )
 124     {
 125         msg_Err( p_playlist, "no home directory, cannot load media library") ;
 126         return VLC_EGENERIC;
 127     }
 128     asprintf( &psz_uri, "%s" DIR_SEP CONFIG_DIR DIR_SEP
 129                         "ml.xsp",  psz_homedir );
 130     stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
 131     playlist_Export( p_playlist, psz_uri, p_playlist->p_ml_category,
 132                      "export-xspf" );
 133     stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );
 134
 135     free( psz_uri );
 136     return VLC_SUCCESS;
 137 }