8867bd554c
Not all compilers support struct packing, and those that don't shouldn't be punished for it.
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef TAG_H
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#define TAG_H
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#include "gcc.h"
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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enum tag_type {
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TAG_ITEM_ARTIST,
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TAG_ITEM_ALBUM,
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TAG_ITEM_TITLE,
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TAG_ITEM_TRACK,
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TAG_ITEM_NAME,
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TAG_ITEM_GENRE,
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TAG_ITEM_DATE,
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TAG_ITEM_COMPOSER,
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TAG_ITEM_PERFORMER,
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TAG_ITEM_COMMENT,
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TAG_ITEM_DISC,
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TAG_NUM_OF_ITEM_TYPES
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};
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extern const char *mpdTagItemKeys[];
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struct tag_item {
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enum tag_type type;
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char value[sizeof(long)];
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} mpd_packed;
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struct tag {
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int time;
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struct tag_item **items;
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uint8_t numOfItems;
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};
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struct tag *tag_ape_load(const char *file);
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struct tag *tag_new(void);
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void tag_lib_init(void);
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void tag_clear_items_by_type(struct tag *tag, enum tag_type itemType);
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void tag_free(struct tag *tag);
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/**
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* Gives an optional hint to the tag library that we will now add
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* several tag items; this is used by the library to optimize memory
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* allocation. Only one tag may be in this state, and this tag must
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* not have any items yet. You must call tag_end_add() when you are
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* done.
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*/
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void tag_begin_add(struct tag *tag);
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/**
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* Finishes the operation started with tag_begin_add().
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*/
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void tag_end_add(struct tag *tag);
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void tag_add_item_n(struct tag *tag, enum tag_type itemType,
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const char *value, size_t len);
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static inline void tag_add_item(struct tag *tag, enum tag_type itemType,
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const char *value)
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{
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tag_add_item_n(tag, itemType, value, strlen(value));
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}
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struct tag *tag_dup(const struct tag *tag);
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int tag_equal(const struct tag *tag1, const struct tag *tag2);
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#endif
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