1 /*****************************************************************************
2 * art.c : Art metadata handling
3 *****************************************************************************
4 * Copyright (C) 1998-2008 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea@videolan.org>
8 * Clément Stenac <zorglub@videolan.org
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
30 #include <vlc_common.h>
31 #include <vlc_playlist.h>
32 #include <vlc_charset.h>
33 #include <vlc_strings.h>
34 #include <vlc_stream.h>
37 #include <limits.h> /* PATH_MAX */
39 #ifdef HAVE_SYS_STAT_H
40 # include <sys/stat.h>
43 #include "../libvlc.h"
44 #include "playlist_internal.h"
46 static void ArtCacheCreateDir( const char *psz_dir )
48 char newdir[strlen( psz_dir ) + 1];
49 strcpy( newdir, psz_dir );
50 char * psz_newdir = newdir;
51 char * psz = psz_newdir;
55 while( *psz && *psz != DIR_SEP_CHAR) psz++;
58 if( !EMPTY_STR( psz_newdir ) )
59 utf8_mkdir( psz_newdir, 0700 );
63 utf8_mkdir( psz_dir, 0700 );
66 static void ArtCacheGetDirPath( char *psz_dir,
67 const char *psz_title,
68 const char *psz_artist, const char *psz_album )
70 char *psz_cachedir = config_GetCacheDir();
72 if( !EMPTY_STR(psz_artist) && !EMPTY_STR(psz_album) )
74 char *psz_album_sanitized = filename_sanitize( psz_album );
75 char *psz_artist_sanitized = filename_sanitize( psz_artist );
76 snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
77 "art" DIR_SEP "artistalbum" DIR_SEP "%s" DIR_SEP "%s",
78 psz_cachedir, psz_artist_sanitized, psz_album_sanitized );
79 free( psz_album_sanitized );
80 free( psz_artist_sanitized );
84 char * psz_title_sanitized = filename_sanitize( psz_title );
85 snprintf( psz_dir, PATH_MAX, "%s" DIR_SEP
86 "art" DIR_SEP "title" DIR_SEP "%s",
87 psz_cachedir, psz_title_sanitized );
88 free( psz_title_sanitized );
93 static char *ArtCachePath( input_item_t *p_item )
95 char psz_path[PATH_MAX+1]; /* FIXME */
97 vlc_mutex_lock( &p_item->lock );
100 p_item->p_meta = vlc_meta_New();
101 if( !p_item->p_meta )
103 vlc_mutex_unlock( &p_item->lock );
107 const char *psz_artist = vlc_meta_Get( p_item->p_meta, vlc_meta_Artist );
108 const char *psz_album = vlc_meta_Get( p_item->p_meta, vlc_meta_Album );
109 const char *psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_Title );
112 psz_title = p_item->psz_name;
114 if( (!psz_artist || !psz_album ) && !psz_title )
116 vlc_mutex_unlock( &p_item->lock );
120 ArtCacheGetDirPath( psz_path, psz_title, psz_artist, psz_album );
122 vlc_mutex_unlock( &p_item->lock );
124 return strdup( psz_path );
127 static char *ArtCacheName( input_item_t *p_item, const char *psz_type )
129 char *psz_path = ArtCachePath( p_item );
133 ArtCacheCreateDir( psz_path );
135 char *psz_ext = filename_sanitize( psz_type ? psz_type : "" );
137 if( asprintf( &psz_filename, "%s" DIR_SEP "art%s", psz_path, psz_ext ) < 0 )
147 int playlist_FindArtInCache( input_item_t *p_item )
149 char *psz_path = ArtCachePath( p_item );
154 /* Check if file exists */
155 DIR *p_dir = utf8_opendir( psz_path );
162 bool b_found = false;
164 while( !b_found && (psz_filename = utf8_readdir( p_dir )) )
166 if( !strncmp( psz_filename, "art", 3 ) )
169 if( asprintf( &psz_file, "%s" DIR_SEP "%s",
170 psz_path, psz_filename ) != -1 )
172 char *psz_uri = make_URI( psz_file );
175 input_item_SetArtURL( p_item, psz_uri );
183 free( psz_filename );
189 return b_found ? VLC_SUCCESS : VLC_EGENERIC;
194 int playlist_SaveArt( playlist_t *p_playlist, input_item_t *p_item,
195 const uint8_t *p_buffer, int i_buffer, const char *psz_type )
197 char *psz_filename = ArtCacheName( p_item, psz_type );
202 char *psz_uri = make_URI( psz_filename );
205 free( psz_filename );
209 /* Check if we already dumped it */
211 if( !utf8_stat( psz_filename, &s ) )
213 input_item_SetArtURL( p_item, psz_uri );
214 free( psz_filename );
219 /* Dump it otherwise */
220 FILE *f = utf8_fopen( psz_filename, "wb" );
223 if( fwrite( p_buffer, i_buffer, 1, f ) != 1 )
225 msg_Err( p_playlist, "%s: %m", psz_filename );
229 msg_Dbg( p_playlist, "album art saved to %s", psz_filename );
230 input_item_SetArtURL( p_item, psz_uri );
234 free( psz_filename );