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 "modules/configuration.h"
  27 #include <vlc_charset.h>
  28
  29 #include <errno.h>
  30
  31 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
  32                      playlist_item_t *p_export_root,const char *psz_type )
  33 {
  34     module_t *p_module;
  35     playlist_export_t *p_export;
  36
  37     if( p_export_root == NULL ) return VLC_EGENERIC;
  38
  39     msg_Info( p_playlist, "saving %s to file %s",
  40                     p_export_root->p_input->psz_name, psz_filename );
  41
  42     /* Prepare the playlist_export_t structure */
  43     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
  44     if( !p_export)
  45     {
  46         msg_Err( p_playlist, "out of memory" );
  47         return VLC_ENOMEM;
  48     }
  49     p_export->psz_filename = NULL;
  50     if ( psz_filename )
  51         p_export->psz_filename = strdup( psz_filename );
  52     p_export->p_file = utf8_fopen( psz_filename, "wt" );
  53     if( !p_export->p_file )
  54     {
  55         msg_Err( p_playlist , "could not create playlist file %s"
  56                  " (%s)", psz_filename, strerror(errno) );
  57         return VLC_EGENERIC;
  58     }
  59
  60     p_export->p_root = p_export_root;
  61
  62     /* Lock the playlist */
  63     vlc_mutex_lock( &p_playlist->object_lock );
  64     p_playlist->p_private = (void *)p_export;
  65
  66     /* And call the module ! All work is done now */
  67     p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
  68     if( !p_module )
  69     {
  70         msg_Warn( p_playlist, "exporting playlist failed" );
  71         vlc_mutex_unlock( &p_playlist->object_lock );
  72         return VLC_ENOOBJ;
  73     }
  74     module_Unneed( p_playlist , p_module );
  75
  76     /* Clean up */
  77     fclose( p_export->p_file );
  78     if ( p_export->psz_filename )
  79         free( p_export->psz_filename );
  80     free ( p_export );
  81     p_playlist->p_private = NULL;
  82     vlc_mutex_unlock( &p_playlist->object_lock );
  83
  84     return VLC_SUCCESS;
  85 }
  86
  87 int playlist_MLLoad( playlist_t *p_playlist )
  88 {
  89 #if 0
  90     FIXME: this code breaks streaming output (or streaming output breaks this,
  91     whichever you prefer).
  92
  93     const char *psz_homedir = p_playlist->p_libvlc->psz_homedir;
  94     char *psz_uri = NULL;
  95     input_item_t *p_input;
  96
  97     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
  98     if( !psz_homedir )
  99     {
 100         msg_Err( p_playlist, "no home directory, cannot load media library") ;
 101         return VLC_EGENERIC;
 102     }
 103
 104     if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP CONFIG_DIR DIR_SEP
 105                         "ml.xsp", psz_homedir ) == -1 )
 106     {
 107         psz_uri = NULL;
 108         goto error;
 109     }
 110
 111     p_input = input_ItemNewExt( p_playlist, psz_uri,
 112                                 _("Media Library"), 0, NULL, -1 );
 113     if( p_input == NULL )
 114         goto error;
 115
 116     p_playlist->p_ml_onelevel->p_input =
 117         p_playlist->p_ml_category->p_input = p_input;
 118
 119     p_playlist->b_doing_ml = VLC_TRUE;
 120     stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
 121     input_Read( p_playlist, p_input, VLC_TRUE );
 122     stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
 123     p_playlist->b_doing_ml = VLC_FALSE;
 124
 125     free( psz_uri );
 126     return VLC_SUCCESS;
 127
 128 error:
 129     free( psz_uri );
 130     return VLC_ENOMEM;
 131 #else
 132     msg_Err( p_playlist, "Reloading playlist not implemented." );
 133     return VLC_EGENERIC;
 134 #endif
 135 }
 136
 137 int playlist_MLDump( playlist_t *p_playlist )
 138 {
 139     char *psz_uri, *psz_homedir = p_playlist->p_libvlc->psz_homedir;
 140     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
 141     if( !psz_homedir )
 142     {
 143         msg_Err( p_playlist, "no home directory, cannot save media library") ;
 144         return VLC_EGENERIC;
 145     }
 146
 147     char psz_dirname[ strlen( psz_homedir ) + sizeof( DIR_SEP CONFIG_DIR ) ];
 148     sprintf( psz_dirname, "%s" DIR_SEP CONFIG_DIR, psz_homedir );
 149     if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) )
 150     {
 151         return VLC_EGENERIC;
 152     }
 153
 154     asprintf( &psz_uri, "%s" DIR_SEP "%s", psz_dirname, "ml.xsp" );
 155     stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
 156     playlist_Export( p_playlist, psz_uri, p_playlist->p_ml_category,
 157                      "export-xspf" );
 158     stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );
 159
 160     free( psz_uri );
 161     return VLC_SUCCESS;
 162 }