/*****************************************************************************
* art.c : Art metadata handling
*****************************************************************************
- * Copyright (C) 1998-2008 the VideoLAN team
+ * Copyright (C) 1998-2008 VLC authors and VideoLAN
* $Id$
*
* Authors: Antoine Cellerier <dionoea@videolan.org>
* Clément Stenac <zorglub@videolan.org
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#include <assert.h>
+#include <sys/stat.h>
+#include <errno.h>
+
#include <vlc_common.h>
-#include <vlc_playlist.h>
+#include <vlc_input_item.h>
#include <vlc_fs.h>
#include <vlc_strings.h>
-#include <vlc_stream.h>
#include <vlc_url.h>
+#include <vlc_md5.h>
-#include <limits.h> /* PATH_MAX */
-
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-
-#include "../libvlc.h"
-#include "playlist_internal.h"
+#include "art.h"
static void ArtCacheCreateDir( const char *psz_dir )
{
vlc_mkdir( psz_dir, 0700 );
}
-static char* ArtCacheGetDirPath( const char *psz_title, const char *psz_artist,
- const char *psz_album )
+static char* ArtCacheGetDirPath( const char *psz_arturl, const char *psz_artist,
+ const char *psz_album, const char *psz_title )
{
char *psz_dir;
char *psz_cachedir = config_GetUserDir(VLC_CACHE_DIR);
}
else
{
- char * psz_title_sanitized = strdup( psz_title );
- filename_sanitize( psz_title_sanitized );
- if( asprintf( &psz_dir, "%s" DIR_SEP "art" DIR_SEP "title" DIR_SEP
- "%s", psz_cachedir, psz_title_sanitized ) == -1 )
+ /* If artist or album are missing, cache by art download URL.
+ * If the URL is an attachment://, add the title to the cache name.
+ * It will be md5 hashed to form a valid cache filename.
+ * We assume that psz_arturl is always the download URL and not the
+ * already hashed filename.
+ * (We should never need to call this function if art has already been
+ * downloaded anyway).
+ */
+ struct md5_s md5;
+ InitMD5( &md5 );
+ AddMD5( &md5, psz_arturl, strlen( psz_arturl ) );
+ if( !strncmp( psz_arturl, "attachment://", 13 ) )
+ AddMD5( &md5, psz_title, strlen( psz_title ) );
+ EndMD5( &md5 );
+ char * psz_arturl_sanitized = psz_md5_hash( &md5 );
+ if( asprintf( &psz_dir, "%s" DIR_SEP "art" DIR_SEP "arturl" DIR_SEP
+ "%s", psz_cachedir, psz_arturl_sanitized ) == -1 )
psz_dir = NULL;
- free( psz_title_sanitized );
+ free( psz_arturl_sanitized );
}
free( psz_cachedir );
return psz_dir;
char* psz_path = NULL;
const char *psz_artist;
const char *psz_album;
+ const char *psz_arturl;
const char *psz_title;
vlc_mutex_lock( &p_item->lock );
psz_artist = vlc_meta_Get( p_item->p_meta, vlc_meta_Artist );
psz_album = vlc_meta_Get( p_item->p_meta, vlc_meta_Album );
- /* cache by art URL instead of title - performs better in many cases
- when multiple items without album and artist have same art URL */
- psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_ArtworkURL );
+ psz_arturl = vlc_meta_Get( p_item->p_meta, vlc_meta_ArtworkURL );
+ psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_Title );
+ if( !psz_title )
+ psz_title = p_item->psz_name;
+
- if( (!psz_artist || !psz_album ) && !psz_title )
+ if( (EMPTY_STR(psz_artist) || EMPTY_STR(psz_album) ) && !psz_arturl )
goto end;
- psz_path = ArtCacheGetDirPath( psz_title, psz_artist, psz_album );
+ psz_path = ArtCacheGetDirPath( psz_arturl, psz_artist, psz_album, psz_title );
end:
vlc_mutex_unlock( &p_item->lock );
}
bool b_found = false;
- char *psz_filename;
+ const char *psz_filename;
while( !b_found && (psz_filename = vlc_readdir( p_dir )) )
{
if( !strncmp( psz_filename, "art", 3 ) )
if( asprintf( &psz_file, "%s" DIR_SEP "%s",
psz_path, psz_filename ) != -1 )
{
- char *psz_uri = make_URI( psz_file );
+ char *psz_uri = vlc_path2uri( psz_file, "file" );
if( psz_uri )
{
input_item_SetArtURL( p_item, psz_uri );
b_found = true;
}
- free( psz_filename );
}
/* */
return b_found ? VLC_SUCCESS : VLC_EGENERIC;
}
+static char * GetDirByItemUIDs( char *psz_uid )
+{
+ char *psz_cachedir = config_GetUserDir(VLC_CACHE_DIR);
+ char *psz_dir;
+ if( asprintf( &psz_dir, "%s" DIR_SEP
+ "by-iiuid" DIR_SEP
+ "%s",
+ psz_cachedir, psz_uid ) == -1 )
+ {
+ psz_dir = NULL;
+ }
+ free( psz_cachedir );
+ return psz_dir;
+}
+
+static char * GetFileByItemUID( char *psz_dir, const char *psz_type )
+{
+ char *psz_file;
+ if( asprintf( &psz_file, "%s" DIR_SEP "%s", psz_dir, psz_type ) == -1 )
+ {
+ psz_file = NULL;
+ }
+ return psz_file;
+}
+
+int playlist_FindArtInCacheUsingItemUID( input_item_t *p_item )
+{
+ char *uid = input_item_GetInfo( p_item, "uid", "md5" );
+ if ( ! *uid )
+ {
+ free( uid );
+ return VLC_EGENERIC;
+ }
+
+ /* we have an input item uid set */
+ bool b_done = false;
+ char *psz_byuiddir = GetDirByItemUIDs( uid );
+ char *psz_byuidfile = GetFileByItemUID( psz_byuiddir, "arturl" );
+ free( psz_byuiddir );
+ if( psz_byuidfile )
+ {
+ FILE *fd = vlc_fopen( psz_byuidfile, "rb" );
+ if ( fd )
+ {
+ char sz_cachefile[2049];
+ /* read the cache hash url */
+ if ( fgets( sz_cachefile, 2048, fd ) != NULL )
+ {
+ input_item_SetArtURL( p_item, sz_cachefile );
+ b_done = true;
+ }
+ fclose( fd );
+ }
+ free( psz_byuidfile );
+ }
+ free( uid );
+ if ( b_done ) return VLC_SUCCESS;
+
+ return VLC_EGENERIC;
+}
/* */
-int playlist_SaveArt( playlist_t *p_playlist, input_item_t *p_item,
- const uint8_t *p_buffer, int i_buffer, const char *psz_type )
+int playlist_SaveArt( vlc_object_t *obj, input_item_t *p_item,
+ const void *data, size_t length, const char *psz_type )
{
char *psz_filename = ArtCacheName( p_item, psz_type );
if( !psz_filename )
return VLC_EGENERIC;
- char *psz_uri = make_URI( psz_filename );
+ char *psz_uri = vlc_path2uri( psz_filename, "file" );
if( !psz_uri )
{
free( psz_filename );
FILE *f = vlc_fopen( psz_filename, "wb" );
if( f )
{
- if( fwrite( p_buffer, i_buffer, 1, f ) != 1 )
+ if( fwrite( data, 1, length, f ) != length )
{
- msg_Err( p_playlist, "%s: %m", psz_filename );
+ msg_Err( obj, "%s: %s", psz_filename, vlc_strerror_c(errno) );
}
else
{
- msg_Dbg( p_playlist, "album art saved to %s", psz_filename );
+ msg_Dbg( obj, "album art saved to %s", psz_filename );
input_item_SetArtURL( p_item, psz_uri );
}
fclose( f );
}
- free( psz_filename );
free( psz_uri );
+
+ /* save uid info */
+ char *uid = input_item_GetInfo( p_item, "uid", "md5" );
+ if ( ! *uid )
+ {
+ free( uid );
+ goto end;
+ }
+
+ char *psz_byuiddir = GetDirByItemUIDs( uid );
+ char *psz_byuidfile = GetFileByItemUID( psz_byuiddir, "arturl" );
+ ArtCacheCreateDir( psz_byuiddir );
+ free( psz_byuiddir );
+
+ if ( psz_byuidfile )
+ {
+ f = vlc_fopen( psz_byuidfile, "wb" );
+ if ( f )
+ {
+ if( fputs( "file://", f ) < 0 || fputs( psz_filename, f ) < 0 )
+ msg_Err( obj, "Error writing %s: %s", psz_byuidfile,
+ vlc_strerror_c(errno) );
+ fclose( f );
+ }
+ free( psz_byuidfile );
+ }
+ free( uid );
+ /* !save uid info */
+end:
+ free( psz_filename );
return VLC_SUCCESS;
}