]> git.sesse.net Git - vlc/blob - src/playlist/loadsave.c
Merge back branch 0.8.6-playlist-vlm to trunk.
[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 <stdlib.h>                                      /* free(), strtol() */
24 #include <stdio.h>                                              /* sprintf() */
25 #include <string.h>                                            /* strerror() */
26 #include <errno.h>
27
28 #include <vlc/vlc.h>
29 #include <vlc/vout.h>
30 #include <vlc/sout.h>
31 #include <vlc/input.h>
32
33 #include "vlc_playlist.h"
34 #include "charset.h"
35
36 #define PLAYLIST_FILE_HEADER  "# vlc playlist file version 0.5"
37
38 /**
39  * Import a certain playlist file into the library
40  * This file will get inserted as a new category
41  *
42  * XXX: TODO
43  * \param p_playlist the playlist to which the new items will be added
44  * \param psz_filename the name of the playlistfile to import
45  * \return VLC_SUCCESS on success
46  */
47 int playlist_Import( playlist_t * p_playlist, const char *psz_filename )
48 {
49     playlist_item_t *p_item;
50     char *psz_uri;
51     int i_id;
52
53     msg_Info( p_playlist, "clearing playlist");
54     playlist_Clear( p_playlist );
55
56
57     psz_uri = (char *)malloc(sizeof(char)*strlen(psz_filename) + 17 );
58     sprintf( psz_uri, "file/playlist://%s", psz_filename);
59
60     i_id = playlist_PlaylistAdd( p_playlist, psz_uri, psz_uri,
61                   PLAYLIST_INSERT  , PLAYLIST_END);
62
63     vlc_mutex_lock( &p_playlist->object_lock );
64     p_item = playlist_ItemGetById( p_playlist, i_id );
65     vlc_mutex_unlock( &p_playlist->object_lock );
66
67     playlist_Play(p_playlist);
68
69     return VLC_SUCCESS;
70 }
71
72 /**
73  * Load a certain playlist file into the playlist
74  * This file will replace the contents of the "current" view
75  *
76  * \param p_playlist the playlist to which the new items will be added
77  * \param psz_filename the name of the playlistfile to import
78  * \return VLC_SUCCESS on success
79  */
80 int playlist_Load( playlist_t * p_playlist, const char *psz_filename )
81 {
82     playlist_item_t *p_item;
83     char *psz_uri;
84     int i_id;
85
86     msg_Info( p_playlist, "clearing playlist");
87     playlist_Clear( p_playlist );
88
89
90     psz_uri = (char *)malloc(sizeof(char)*strlen(psz_filename) + 17 );
91     sprintf( psz_uri, "file/playlist://%s", psz_filename);
92
93     i_id = playlist_PlaylistAdd( p_playlist, psz_uri, psz_uri,
94                   PLAYLIST_INSERT  , PLAYLIST_END);
95
96     vlc_mutex_lock( &p_playlist->object_lock );
97     p_item = playlist_ItemGetById( p_playlist, i_id );
98     vlc_mutex_unlock( &p_playlist->object_lock );
99
100     playlist_Play(p_playlist);
101
102     return VLC_SUCCESS;
103 }
104
105 /**
106  * Export a node of the playlist to a certain type of playlistfile
107  *
108  * \param p_playlist the playlist to export
109  * \param psz_filename the location where the exported file will be saved
110  * \param p_export_root the root node to export
111  * \param psz_type the type of playlist file to create.
112  * \return VLC_SUCCESS on success
113  */
114 int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
115                      playlist_item_t *p_export_root,const char *psz_type )
116 {
117     module_t *p_module;
118     playlist_export_t *p_export;
119
120     if( p_export_root == NULL ) return VLC_EGENERIC;
121
122     msg_Info( p_playlist, "saving %s to file %s",
123                     p_export_root->p_input->psz_name, psz_filename );
124
125     /* Prepare the playlist_export_t structure */
126     p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
127     if( !p_export)
128     {
129         msg_Err( p_playlist, "out of memory" );
130         return VLC_ENOMEM;
131     }
132     p_export->psz_filename = NULL;
133     if ( psz_filename )
134         p_export->psz_filename = strdup( psz_filename );
135     p_export->p_file = utf8_fopen( psz_filename, "wt" );
136     if( !p_export->p_file )
137     {
138         msg_Err( p_playlist , "could not create playlist file %s"
139                  " (%s)", psz_filename, strerror(errno) );
140         return VLC_EGENERIC;
141     }
142
143     p_export->p_root = p_export_root;
144
145     /* Lock the playlist */
146     vlc_mutex_lock( &p_playlist->object_lock );
147     p_playlist->p_private = (void *)p_export;
148
149     /* And call the module ! All work is done now */
150     p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
151     if( !p_module )
152     {
153         msg_Warn( p_playlist, "exporting playlist failed" );
154         vlc_mutex_unlock( &p_playlist->object_lock );
155         return VLC_ENOOBJ;
156     }
157     module_Unneed( p_playlist , p_module );
158
159     /* Clean up */
160     fclose( p_export->p_file );
161     if ( p_export->psz_filename )
162         free( p_export->psz_filename );
163     free ( p_export );
164     p_playlist->p_private = NULL;
165     vlc_mutex_unlock( &p_playlist->object_lock );
166
167     return VLC_SUCCESS;
168 }