]> git.sesse.net Git - vlc/blob - src/playlist/loadsave.c
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[vlc] / 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/input.h>
25 #include "vlc_playlist.h"
26 #include "playlist_internal.h"
27 #include "charset.h"
28 #include <errno.h>
29
30 #if defined( WIN32 ) || defined( UNDER_CE )
31 #   define DIR_SEP "\\"
32 #else
33 #   define DIR_SEP "/"
34 #endif
35
36 /**
37  * Import a playlist file at a given point of a given view
38  * \param p_playlist the playlist to which the new items will be added
39  * \param psz_filename the name of the playlistfile to import
40  * \return VLC_SUCCESS on success
41  */
42 int playlist_Import( playlist_t * p_playlist, const char *psz_filename,
43                      playlist_item_t *p_root, vlc_bool_t b_only_there )
44 {
45     char *psz_uri, *psz_opt;
46     input_item_t *p_input;
47
48     asprintf( &psz_uri, "file/playlist://%s", psz_filename );
49     p_input = input_ItemNewExt( p_playlist, psz_uri, "playlist", 0, NULL, -1 );
50     if( b_only_there )
51     {
52         asprintf( &psz_opt, "parent-item=%i", p_root->i_id );
53         vlc_input_item_AddOption( p_input, psz_opt );
54         free( psz_opt );
55     }
56     playlist_PlaylistAddInput( p_playlist, p_input, PLAYLIST_APPEND,
57                                PLAYLIST_END );
58     input_Read( p_playlist, p_input, VLC_TRUE );
59     free( psz_uri );
60     return VLC_SUCCESS;
61 }
62
63 /**
64  * Export a node of the playlist to a certain type of playlistfile
65  *
66  * \param p_playlist the playlist to export
67  * \param psz_filename the location where the exported file will be saved
68  * \param p_export_root the root node to export
69  * \param psz_type the type of playlist file to create.
70  * \return VLC_SUCCESS on success
71  */
72 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
73                      playlist_item_t *p_export_root,const char *psz_type )
74 {
75     module_t *p_module;
76     playlist_export_t *p_export;
77
78     if( p_export_root == NULL ) return VLC_EGENERIC;
79
80     msg_Info( p_playlist, "saving %s to file %s",
81                     p_export_root->p_input->psz_name, psz_filename );
82
83     /* Prepare the playlist_export_t structure */
84     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
85     if( !p_export)
86     {
87         msg_Err( p_playlist, "out of memory" );
88         return VLC_ENOMEM;
89     }
90     p_export->psz_filename = NULL;
91     if ( psz_filename )
92         p_export->psz_filename = strdup( psz_filename );
93     p_export->p_file = utf8_fopen( psz_filename, "wt" );
94     if( !p_export->p_file )
95     {
96         msg_Err( p_playlist , "could not create playlist file %s"
97                  " (%s)", psz_filename, strerror(errno) );
98         return VLC_EGENERIC;
99     }
100
101     p_export->p_root = p_export_root;
102
103     /* Lock the playlist */
104     vlc_mutex_lock( &p_playlist->object_lock );
105     p_playlist->p_private = (void *)p_export;
106
107     /* And call the module ! All work is done now */
108     p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
109     if( !p_module )
110     {
111         msg_Warn( p_playlist, "exporting playlist failed" );
112         vlc_mutex_unlock( &p_playlist->object_lock );
113         return VLC_ENOOBJ;
114     }
115     module_Unneed( p_playlist , p_module );
116
117     /* Clean up */
118     fclose( p_export->p_file );
119     if ( p_export->psz_filename )
120         free( p_export->psz_filename );
121     free ( p_export );
122     p_playlist->p_private = NULL;
123     vlc_mutex_unlock( &p_playlist->object_lock );
124
125     return VLC_SUCCESS;
126 }
127
128 int playlist_MLLoad( playlist_t *p_playlist )
129 {
130     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
131     input_item_t *p_input;
132
133     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
134     if( !psz_homedir )
135     {
136         msg_Err( p_playlist, "no home directory, cannot load media library") ;
137         return VLC_EGENERIC;
138     }
139     asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP CONFIG_DIR DIR_SEP
140                         "ml.xsp", psz_homedir );
141
142     p_input = input_ItemNewExt( p_playlist, psz_uri,
143                                 _("Media Library"), 0, NULL, -1 );
144     p_playlist->p_ml_category->p_input = p_input;
145     p_playlist->p_ml_onelevel->p_input = p_input;
146
147     p_playlist->b_doing_ml = VLC_TRUE;
148     stats_TimerStart( p_playlist, "ML Load", STATS_TIMER_ML_LOAD );
149     input_Read( p_playlist, p_input, VLC_TRUE );
150     stats_TimerStop( p_playlist,STATS_TIMER_ML_LOAD );
151     p_playlist->b_doing_ml = VLC_FALSE;
152
153     free( psz_uri );
154     return VLC_SUCCESS;
155 }
156
157 int playlist_MLDump( playlist_t *p_playlist )
158 {
159     char *psz_uri, *psz_homedir =p_playlist->p_libvlc->psz_homedir;
160     if( !config_GetInt( p_playlist, "media-library") ) return VLC_SUCCESS;
161     if( !psz_homedir )
162     {
163         msg_Err( p_playlist, "no home directory, cannot load media library") ;
164         return VLC_EGENERIC;
165     }
166     asprintf( &psz_uri, "%s" DIR_SEP CONFIG_DIR DIR_SEP
167                         "ml.xsp",  psz_homedir );
168     stats_TimerStart( p_playlist, "ML Dump", STATS_TIMER_ML_DUMP );
169     playlist_Export( p_playlist, psz_uri, p_playlist->p_ml_category,
170                      "export-xspf" );
171     stats_TimerStop( p_playlist, STATS_TIMER_ML_DUMP );
172
173     free( psz_uri );
174     return VLC_SUCCESS;
175 }