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vlc/include/vlc_meta.h
Rafaël Carré 6a42724746 Ignore empty vorbis comments (closes #704) 
Comment unusued artist & album musicbrainz ids
2006-11-20 04:49:59 +00:00

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/*****************************************************************************
* vlc_meta.h: Stream meta-data
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* 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
* (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.
*
* 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.
*****************************************************************************/
#ifndef _VLC_META_H
#define _VLC_META_H 1
/* VLC meta name */
#define VLC_META_INFO_CAT N_("Meta-information")
#define VLC_META_TITLE N_("Title")
#define VLC_META_ARTIST N_("Artist")
#define VLC_META_GENRE N_("Genre")
#define VLC_META_COPYRIGHT N_("Copyright")
#define VLC_META_COLLECTION N_("Album/movie/show title")
#define VLC_META_SEQ_NUM N_("Track number/position in set")
#define VLC_META_DESCRIPTION N_("Description")
#define VLC_META_RATING N_("Rating")
#define VLC_META_DATE N_("Date")
#define VLC_META_SETTING N_("Setting")
#define VLC_META_URL N_("URL")
#define VLC_META_LANGUAGE N_("Language")
#define VLC_META_NOW_PLAYING N_("Now Playing")
#define VLC_META_PUBLISHER N_("Publisher")
#define VLC_META_ENCODED_BY N_("Encoded by")
#define VLC_META_ART_URL N_("Art URL")
#define VLC_META_CODEC_NAME N_("Codec Name")
#define VLC_META_CODEC_DESCRIPTION N_("Codec Description")
#define ITEM_PREPARSED 0x01
#define ITEM_META_FETCHED 0x02
#define ITEM_ARTURL_FETCHED 0x04
#define ITEM_ART_FETCHED 0x08
#define ITEM_ART_NOTFOUND 0x10
struct vlc_meta_t
{
char *psz_title;
char *psz_artist;
char *psz_genre;
char *psz_copyright;
char *psz_album;
char *psz_tracknum;
char *psz_description;
char *psz_rating;
char *psz_date;
char *psz_setting;
char *psz_url;
char *psz_language;
char *psz_nowplaying;
char *psz_publisher;
char *psz_encodedby;
char *psz_arturl;
char *psz_trackid;
#if 0 //not used
char *psz_artistid;
char *psz_albumid;
#endif
int i_status;
#if 0
/* track meta information */
int i_track;
vlc_meta_t **track;
#endif
};
#define vlc_meta_Set( meta,var,val ) { \
if( meta->psz_##var ) free( meta->psz_##var ); \
meta->psz_##var = strdup( val ); }
#define vlc_meta_SetTitle( meta, b ) vlc_meta_Set( meta, title, b );
#define vlc_meta_SetArtist( meta, b ) vlc_meta_Set( meta, artist, b );
#define vlc_meta_SetGenre( meta, b ) vlc_meta_Set( meta, genre, b );
#define vlc_meta_SetCopyright( meta, b ) vlc_meta_Set( meta, copyright, b );
#define vlc_meta_SetAlbum( meta, b ) vlc_meta_Set( meta, album, b );
#define vlc_meta_SetTracknum( meta, b ) vlc_meta_Set( meta, tracknum, b );
#define vlc_meta_SetDescription( meta, b ) vlc_meta_Set( meta, description, b );
#define vlc_meta_SetRating( meta, b ) vlc_meta_Set( meta, rating, b );
#define vlc_meta_SetDate( meta, b ) vlc_meta_Set( meta, date, b );
#define vlc_meta_SetSetting( meta, b ) vlc_meta_Set( meta, setting, b );
#define vlc_meta_SetURL( meta, b ) vlc_meta_Set( meta, url, b );
#define vlc_meta_SetLanguage( meta, b ) vlc_meta_Set( meta, language, b );
#define vlc_meta_SetNowPlaying( meta, b ) vlc_meta_Set( meta, nowplaying, b );
#define vlc_meta_SetPublisher( meta, b ) vlc_meta_Set( meta, publisher, b );
#define vlc_meta_SetEncodedBy( meta, b ) vlc_meta_Set( meta, encodedby, b );
#define vlc_meta_SetArtURL( meta, b ) vlc_meta_Set( meta, arturl, b );
#define vlc_meta_SetTrackID( meta, b ) vlc_meta_Set( meta, trackid, b );
#if 0 //not used
#define vlc_meta_SetArtistID( meta, b ) vlc_meta_Set( meta, artistid, b );
#define vlc_meta_SetAlbumID( meta, b ) vlc_meta_Set( meta, albumid, b );
#endif
static inline vlc_meta_t *vlc_meta_New( void )
{
vlc_meta_t *m = (vlc_meta_t*)malloc( sizeof( vlc_meta_t ) );
if( !m ) return NULL;
m->psz_title = NULL;
m->psz_artist = NULL;
m->psz_genre = NULL;
m->psz_copyright = NULL;
m->psz_album = NULL;
m->psz_tracknum = NULL;
m->psz_description = NULL;
m->psz_rating = NULL;
m->psz_date = NULL;
m->psz_setting = NULL;
m->psz_url = NULL;
m->psz_language = NULL;
m->psz_nowplaying = NULL;
m->psz_publisher = NULL;
m->psz_encodedby = NULL;
m->psz_arturl = NULL;
m->psz_trackid = NULL;
#if 0 //not used
m->psz_artistid = NULL;
m->psz_albumid = NULL;
#endif
m->i_status = 0;
return m;
}
static inline void vlc_meta_Delete( vlc_meta_t *m )
{
free( m->psz_title );
free( m->psz_artist );
free( m->psz_genre );
free( m->psz_copyright );
free( m->psz_album );
free( m->psz_tracknum );
free( m->psz_description );
free( m->psz_rating );
free( m->psz_date );
free( m->psz_setting );
free( m->psz_url );
free( m->psz_language );
free( m->psz_nowplaying );
free( m->psz_publisher );
free( m->psz_encodedby );
free( m->psz_trackid );
#if 0 //not used
free( m->psz_artistid );
free( m->psz_albumid );
#endif
free( m->psz_arturl );
free( m );
}
static inline void vlc_meta_Merge( vlc_meta_t *dst, vlc_meta_t *src )
{
if( !dst || !src ) return;
#define COPY_FIELD( a ) \
if( src->psz_ ## a ) { \
if( dst->psz_ ## a ) free( dst->psz_## a ); \
dst->psz_##a = strdup( src->psz_##a ); \
}
COPY_FIELD( title );
COPY_FIELD( artist );
COPY_FIELD( genre );
COPY_FIELD( copyright );
COPY_FIELD( album );
COPY_FIELD( tracknum );
COPY_FIELD( description );
COPY_FIELD( rating );
COPY_FIELD( date );
COPY_FIELD( setting );
COPY_FIELD( url );
COPY_FIELD( language );
COPY_FIELD( nowplaying );
COPY_FIELD( publisher );
COPY_FIELD( encodedby );
COPY_FIELD( trackid );
#if 0 //not used
COPY_FIELD( artistid );
COPY_FIELD( albumid );
#endif
COPY_FIELD( arturl );
}
/** \todo Track meta */
enum {
ALBUM_ART_NEVER,
ALBUM_ART_WHEN_ASKED,
ALBUM_ART_WHEN_PLAYED,
ALBUM_ART_ALL
};
struct meta_export_t
{
input_item_t *p_item;
const char *psz_file;
};
#define VLC_META_ENGINE_TITLE 0x00000001
#define VLC_META_ENGINE_ARTIST 0x00000004
#define VLC_META_ENGINE_GENRE 0x00000008
#define VLC_META_ENGINE_COPYRIGHT 0x00000010
#define VLC_META_ENGINE_COLLECTION 0x00000020
#define VLC_META_ENGINE_SEQ_NUM 0x00000040
#define VLC_META_ENGINE_DESCRIPTION 0x00000080
#define VLC_META_ENGINE_RATING 0x00000100
#define VLC_META_ENGINE_DATE 0x00000200
#define VLC_META_ENGINE_URL 0x00000400
#define VLC_META_ENGINE_LANGUAGE 0x00000800
#define VLC_META_ENGINE_ART_URL 0x00001000
#define VLC_META_ENGINE_MB_ARTIST_ID 0x00002000
#define VLC_META_ENGINE_MB_RELEASE_ID 0x00004000
#define VLC_META_ENGINE_MB_TRACK_ID 0x00008000
#define VLC_META_ENGINE_MB_TRM_ID 0x00010000
typedef struct meta_engine_sys_t meta_engine_sys_t;
struct meta_engine_t
{
VLC_COMMON_MEMBERS
module_t *p_module;
uint32_t i_mandatory; /**< Stuff which we really need to get */
uint32_t i_optional; /**< Stuff which we'd like to have */
input_item_t *p_item;
};
VLC_EXPORT(uint32_t, input_CurrentMetaFlags,( vlc_meta_t *p_meta ) );
#endif
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