qt_demoe/vlcdemo/vlc/vlc2/include/plugins/vlc_meta.h

168 lines
7.4 KiB
C

/*****************************************************************************
* vlc_meta.h: Stream meta-data
*****************************************************************************
* Copyright (C) 2004 VLC authors and VideoLAN
* $Id: 4292095290d804f6e22303de88ecae86be983fc0 $
*
* 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 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 Lesser General Public License for more details.
*
* 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.
*****************************************************************************/
#ifndef VLC_META_H
#define VLC_META_H 1
/**
* \file
* This file defines functions and structures for stream meta-data in vlc
*
*/
typedef enum vlc_meta_type_t
{
vlc_meta_Title,
vlc_meta_Artist,
vlc_meta_Genre,
vlc_meta_Copyright,
vlc_meta_Album,
vlc_meta_TrackNumber,
vlc_meta_Description,
vlc_meta_Rating,
vlc_meta_Date,
vlc_meta_Setting,
vlc_meta_URL,
vlc_meta_Language,
vlc_meta_NowPlaying,
vlc_meta_ESNowPlaying,
vlc_meta_Publisher,
vlc_meta_EncodedBy,
vlc_meta_ArtworkURL,
vlc_meta_TrackID,
vlc_meta_TrackTotal,
vlc_meta_Director,
vlc_meta_Season,
vlc_meta_Episode,
vlc_meta_ShowName,
vlc_meta_Actors,
} vlc_meta_type_t;
#define VLC_META_TYPE_COUNT 24
#define ITEM_PREPARSED 1
#define ITEM_ARTURL_FETCHED 2
#define ITEM_ART_FETCHED 4
#define ITEM_ART_NOTFOUND 8
/**
* Basic function to deal with meta
*/
struct vlc_meta_t;
VLC_API vlc_meta_t * vlc_meta_New( void ) VLC_USED;
VLC_API void vlc_meta_Delete( vlc_meta_t *m );
VLC_API void vlc_meta_Set( vlc_meta_t *p_meta, vlc_meta_type_t meta_type, const char *psz_val );
VLC_API const char * vlc_meta_Get( const vlc_meta_t *p_meta, vlc_meta_type_t meta_type );
VLC_API void vlc_meta_AddExtra( vlc_meta_t *m, const char *psz_name, const char *psz_value );
VLC_API const char * vlc_meta_GetExtra( const vlc_meta_t *m, const char *psz_name );
VLC_API unsigned vlc_meta_GetExtraCount( const vlc_meta_t *m );
/**
* Allocate a copy of all extra meta names and a table with it.
* Be sure to free both the returned pointers and its name.
*/
VLC_API char ** vlc_meta_CopyExtraNames( const vlc_meta_t *m ) VLC_USED;
VLC_API void vlc_meta_Merge( vlc_meta_t *dst, const vlc_meta_t *src );
VLC_API int vlc_meta_GetStatus( vlc_meta_t *m );
VLC_API void vlc_meta_SetStatus( vlc_meta_t *m, int status );
/**
* Returns a localizes string describing the meta
*/
VLC_API const char * vlc_meta_TypeToLocalizedString( vlc_meta_type_t meta_type );
/* deprecated (album-art variable) */
enum {
ALBUM_ART_WHEN_ASKED,
ALBUM_ART_WHEN_PLAYED,
ALBUM_ART_ALL
};
typedef struct meta_export_t
{
VLC_COMMON_MEMBERS
input_item_t *p_item;
const char *psz_file;
} meta_export_t;
VLC_API int input_item_WriteMeta(vlc_object_t *, input_item_t *);
/* Setters for meta.
* Warning: Make sure to use the input_item meta setters (defined in vlc_input_item.h)
* instead of those one. */
#define vlc_meta_SetTitle( meta, b ) vlc_meta_Set( meta, vlc_meta_Title, b )
#define vlc_meta_SetArtist( meta, b ) vlc_meta_Set( meta, vlc_meta_Artist, b )
#define vlc_meta_SetGenre( meta, b ) vlc_meta_Set( meta, vlc_meta_Genre, b )
#define vlc_meta_SetCopyright( meta, b ) vlc_meta_Set( meta, vlc_meta_Copyright, b )
#define vlc_meta_SetAlbum( meta, b ) vlc_meta_Set( meta, vlc_meta_Album, b )
#define vlc_meta_SetTrackNum( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackNumber, b )
#define vlc_meta_SetDescription( meta, b ) vlc_meta_Set( meta, vlc_meta_Description, b )
#define vlc_meta_SetRating( meta, b ) vlc_meta_Set( meta, vlc_meta_Rating, b )
#define vlc_meta_SetDate( meta, b ) vlc_meta_Set( meta, vlc_meta_Date, b )
#define vlc_meta_SetSetting( meta, b ) vlc_meta_Set( meta, vlc_meta_Setting, b )
#define vlc_meta_SetURL( meta, b ) vlc_meta_Set( meta, vlc_meta_URL, b )
#define vlc_meta_SetLanguage( meta, b ) vlc_meta_Set( meta, vlc_meta_Language, b )
#define vlc_meta_SetNowPlaying( meta, b ) vlc_meta_Set( meta, vlc_meta_NowPlaying, b )
#define vlc_meta_SetPublisher( meta, b ) vlc_meta_Set( meta, vlc_meta_Publisher, b )
#define vlc_meta_SetEncodedBy( meta, b ) vlc_meta_Set( meta, vlc_meta_EncodedBy, b )
#define vlc_meta_SetArtURL( meta, b ) vlc_meta_Set( meta, vlc_meta_ArtworkURL, b )
#define vlc_meta_SetTrackID( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackID, b )
#define vlc_meta_SetTrackTotal( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackTotal, b )
#define vlc_meta_SetDirector( meta, b ) vlc_meta_Set( meta, vlc_meta_Director, b )
#define vlc_meta_SetSeason( meta, b ) vlc_meta_Set( meta, vlc_meta_Season, b )
#define vlc_meta_SetEpisode( meta, b ) vlc_meta_Set( meta, vlc_meta_Episode, b )
#define vlc_meta_SetShowName( meta, b ) vlc_meta_Set( meta, vlc_meta_ShowName, b )
#define vlc_meta_SetActors( meta, b ) vlc_meta_Set( meta, vlc_meta_Actors, b )
#define VLC_META_TITLE vlc_meta_TypeToLocalizedString( vlc_meta_Title )
#define VLC_META_ARTIST vlc_meta_TypeToLocalizedString( vlc_meta_Artist )
#define VLC_META_GENRE vlc_meta_TypeToLocalizedString( vlc_meta_Genre )
#define VLC_META_COPYRIGHT vlc_meta_TypeToLocalizedString( vlc_meta_Copyright )
#define VLC_META_ALBUM vlc_meta_TypeToLocalizedString( vlc_meta_Album )
#define VLC_META_TRACK_NUMBER vlc_meta_TypeToLocalizedString( vlc_meta_TrackNumber )
#define VLC_META_DESCRIPTION vlc_meta_TypeToLocalizedString( vlc_meta_Description )
#define VLC_META_RATING vlc_meta_TypeToLocalizedString( vlc_meta_Rating )
#define VLC_META_DATE vlc_meta_TypeToLocalizedString( vlc_meta_Date )
#define VLC_META_SETTING vlc_meta_TypeToLocalizedString( vlc_meta_Setting )
#define VLC_META_URL vlc_meta_TypeToLocalizedString( vlc_meta_URL )
#define VLC_META_LANGUAGE vlc_meta_TypeToLocalizedString( vlc_meta_Language )
#define VLC_META_NOW_PLAYING vlc_meta_TypeToLocalizedString( vlc_meta_NowPlaying )
#define VLC_META_PUBLISHER vlc_meta_TypeToLocalizedString( vlc_meta_Publisher )
#define VLC_META_ENCODED_BY vlc_meta_TypeToLocalizedString( vlc_meta_EncodedBy )
#define VLC_META_ART_URL vlc_meta_TypeToLocalizedString( vlc_meta_ArtworkURL )
#define VLC_META_TRACKID vlc_meta_TypeToLocalizedString( vlc_meta_TrackID )
#define VLC_META_DIRECTOR vlc_meta_TypeToLocalizedString( vlc_meta_Director )
#define VLC_META_SEASON vlc_meta_TypeToLocalizedString( vlc_meta_Season )
#define VLC_META_EPISODE vlc_meta_TypeToLocalizedString( vlc_meta_Episode )
#define VLC_META_SHOW_NAME vlc_meta_TypeToLocalizedString( vlc_meta_ShowName )
#define VLC_META_ACTORS vlc_meta_TypeToLocalizedString( vlc_meta_Actors )
#define VLC_META_EXTRA_MB_ALBUMID "MB_ALBUMID"
#endif