1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea -at- videolan -dot- 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 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* malloc(), free() */
30 #include <vlc_interface.h>
31 #include <vlc_input.h>
32 #include <vlc_playlist.h>
35 #include "musicbrainz/mb_c.h"
37 /*****************************************************************************
39 *****************************************************************************/
40 static int FindArt( vlc_object_t * );
41 static int FindMetaMBId( vlc_object_t *p_this );
43 /*****************************************************************************
45 *****************************************************************************/
48 set_shortname( N_( "MusicBrainz" ) );
49 set_description( _("MusicBrainz meta data") );
51 set_capability( "meta fetcher", 10 );
52 /* This meta fetcher module only retrieves the musicbrainz track id
56 * - Also store the album id
58 set_callbacks( FindMetaMBId, NULL );
60 /* This art finder module fetches the album ID from musicbrainz and
61 * uses it to fetch the amazon ASIN from musicbrainz.
63 * - Add ability to reuse MB album ID if we already have it
65 set_capability( "art finder", 80 );
66 set_callbacks( FindArt, NULL );
69 /*****************************************************************************
70 *****************************************************************************/
72 static int GetData( vlc_object_t *p_obj, input_item_t *p_item,
77 char i_album_count, i;
84 if( !p_item->p_meta ) return VLC_EGENERIC;
85 psz_artist = p_item->p_meta->psz_artist;
86 psz_album = p_item->p_meta->psz_album;
87 psz_title = p_item->psz_name;
89 if( !psz_artist || !psz_album )
99 mb_SetDepth( p_mb, 2 );
100 ppsz_args[0] = psz_album;
101 ppsz_args[1] = psz_artist;
103 if( !mb_QueryWithArgs( p_mb,
105 " <mq:depth>@DEPTH@</mq:depth>\n" \
106 " <mq:maxItems>@MAX_ITEMS@</mq:maxItems>\n" \
107 " <mq:albumName>@1@</mq:albumName>\n" \
108 " <mq:artistName>@2@</mq:artistName>\n" \
109 "</mq:FindAlbum>\n", ppsz_args ) )
111 mb_GetQueryError( p_mb, psz_buf, 256 );
112 msg_Err( p_obj, "Query failed: %s\n", psz_buf );
117 i_album_count = mb_GetResultInt( p_mb, MBE_GetNumAlbums );
118 if( i_album_count < 1 )
124 /** \todo Get the MB Track ID and store it */
125 msg_Dbg( p_obj, "found %d albums.\n", i_album_count );
127 for( i = 1; i <= i_album_count; i++ )
129 mb_Select( p_mb, MBS_Rewind );
130 mb_Select1( p_mb, MBS_SelectAlbum, i );
132 mb_GetResultData( p_mb, MBE_AlbumGetAlbumId, psz_data, 256 );
133 mb_GetIDFromURL( p_mb, psz_data, psz_buf, 256 );
134 msg_Dbg( p_obj, "album Id: %s", psz_buf );
140 if( mb_GetResultData( p_mb, MBE_AlbumGetAmazonAsin, psz_buf, 256 ) )
142 msg_Dbg( p_obj, "Amazon ASIN: %s", psz_buf );
143 snprintf( psz_data, 255,
144 "http://images.amazon.com/images/P/%s.01._SCLZZZZZZZ_.jpg",
146 vlc_meta_SetArtURL( p_item->p_meta, psz_data );
158 return p_item->p_meta->psz_arturl && *p_item->p_meta->psz_arturl ?
159 VLC_SUCCESS : VLC_EGENERIC;
162 static int FindMetaMBId( vlc_object_t *p_this )
164 meta_engine_t *p_me = (meta_engine_t *)p_this;
165 input_item_t *p_item = p_me->p_item;
166 int i_ret = GetData( VLC_OBJECT(p_me), p_item,
167 p_me->i_mandatory & VLC_META_ENGINE_ART_URL );
171 uint32_t i_meta = input_CurrentMetaFlags( p_item->p_meta );
172 p_me->i_mandatory &= ~i_meta;
173 p_me->i_optional &= ~i_meta;
174 return p_me->i_mandatory ? VLC_EGENERIC : VLC_SUCCESS;
179 static int FindArt( vlc_object_t *p_this )
181 playlist_t *p_playlist = (playlist_t *)p_this;
182 input_item_t *p_item = (input_item_t *)(p_playlist->p_private);
185 return GetData( VLC_OBJECT(p_playlist), p_item, VLC_TRUE );