1 /*****************************************************************************
2 * loadsave.c : Playlist loading / saving functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
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.
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.
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 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_playlist.h>
29 #include <vlc_events.h>
30 #include "playlist_internal.h"
31 #include "config/configuration.h"
32 #include <vlc_charset.h>
35 #include <sys/types.h>
40 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
41 playlist_item_t *p_export_root,const char *psz_type )
44 playlist_export_t export;
46 if( p_export_root == NULL ) return VLC_EGENERIC;
48 msg_Dbg( p_playlist, "saving %s to file %s",
49 p_export_root->p_input->psz_name, psz_filename );
51 /* Prepare the playlist_export_t structure */
52 export.psz_filename = psz_filename ? strdup( psz_filename ) : NULL;
53 export.p_file = utf8_fopen( psz_filename, "wt" );
54 if( export.p_file == NULL )
56 msg_Err( p_playlist , "could not create playlist file %s (%m)",
58 free( export.psz_filename );
62 export.p_root = p_export_root;
64 playlist_Lock( p_playlist );
65 p_playlist->p_private = (void *)&export;
67 /* And call the module ! All work is done now */
68 p_module = module_need( p_playlist, "playlist export", psz_type, true);
70 msg_Warn( p_playlist, "exporting playlist failed" );
72 module_unneed( p_playlist , p_module );
73 p_playlist->p_private = NULL;
74 playlist_Unlock( p_playlist );
77 fclose( export.p_file );
78 free( export.psz_filename );
80 return p_module ? VLC_SUCCESS : VLC_ENOOBJ;
83 int playlist_Import( playlist_t *p_playlist, const char *psz_file )
85 input_item_t *p_input;
86 const char *const psz_option = "meta-file";
87 char *psz_uri = make_URI( psz_file );
92 p_input = input_item_NewExt( p_playlist, psz_uri, psz_file,
93 1, &psz_option, VLC_INPUT_OPTION_TRUSTED, -1 );
96 playlist_AddInput( p_playlist, p_input, PLAYLIST_APPEND, PLAYLIST_END,
98 return input_Read( p_playlist, p_input, true );
101 /*****************************************************************************
102 * A subitem has been added to the Media Library (Event Callback)
103 *****************************************************************************/
104 static void input_item_subitem_added( const vlc_event_t * p_event,
107 playlist_t *p_playlist = user_data;
108 input_item_t *p_item = p_event->u.input_item_subitem_added.p_new_child;
110 /* playlist_AddInput() can fail, but we have no way to report that ..
111 * Any way when it has failed, either the playlist is dying, either OOM */
112 playlist_AddInput( p_playlist, p_item, PLAYLIST_APPEND, PLAYLIST_END,
113 false, pl_Unlocked );
116 int playlist_MLLoad( playlist_t *p_playlist )
119 char *psz_uri = NULL;
120 input_item_t *p_input;
122 if( !config_GetInt( p_playlist, "media-library") )
125 psz_datadir = config_GetUserDataDir();
127 if( !psz_datadir ) /* XXX: This should never happen */
129 msg_Err( p_playlist, "no data directory, cannot load media library") ;
133 if( asprintf( &psz_uri, "%s" DIR_SEP "ml.xspf", psz_datadir ) != -1 )
134 { /* loosy check for media library file */
136 int ret = utf8_stat( psz_uri , &st );
145 psz_uri = make_URI( psz_datadir );
147 psz_datadir = psz_uri;
148 if( psz_datadir == NULL )
151 /* Force XSPF demux (psz_datadir was a path, now it is a file URI) */
152 if( asprintf( &psz_uri, "file/xspf-open%s/ml.xspf", psz_datadir+4 ) == -1 )
156 if( psz_uri == NULL )
159 const char *const options[1] = { "meta-file", };
160 /* that option has to be cleaned in input_item_subitem_added() */
161 /* vlc_gc_decref() in the same function */
162 p_input = input_item_NewExt( p_playlist, psz_uri, _("Media Library"),
163 1, options, VLC_INPUT_OPTION_TRUSTED, -1 );
165 if( p_input == NULL )
169 if( p_playlist->p_ml_onelevel->p_input )
170 vlc_gc_decref( p_playlist->p_ml_onelevel->p_input );
171 if( p_playlist->p_ml_category->p_input )
172 vlc_gc_decref( p_playlist->p_ml_category->p_input );
174 p_playlist->p_ml_onelevel->p_input =
175 p_playlist->p_ml_category->p_input = p_input;
176 /* We save the input at two different place, incref */
177 vlc_gc_incref( p_input );
178 vlc_gc_incref( p_input );
180 vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
181 input_item_subitem_added, p_playlist );
183 pl_priv(p_playlist)->b_doing_ml = true;
186 stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
187 input_Read( p_playlist, p_input, true );
188 stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
191 pl_priv(p_playlist)->b_doing_ml = false;
194 vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
195 input_item_subitem_added, p_playlist );
197 vlc_gc_decref( p_input );
201 int playlist_MLDump( playlist_t *p_playlist )
205 if( !config_GetInt( p_playlist, "media-library") )
208 psz_datadir = config_GetUserDataDir();
210 if( !psz_datadir ) /* XXX: This should never happen */
212 msg_Err( p_playlist, "no data directory, cannot save media library") ;
216 char psz_dirname[ strlen( psz_datadir ) + sizeof( DIR_SEP "ml.xspf")];
217 strcpy( psz_dirname, psz_datadir );
219 if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) )
224 strcat( psz_dirname, DIR_SEP "ml.xspf" );
226 stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
227 playlist_Export( p_playlist, psz_dirname, p_playlist->p_ml_category,
229 stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );