929e7837cd
wrote the first basic functions to manipulate fileentries. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6359 a1c6a512-1295-4272-9138-f99709370657
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Michiel van der Kolk
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef DATABASE_H
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#define DATABASE_H
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/* workaround for cygwin not defining endian macros */
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#if !defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) && defined(_X86_)
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#define LITTLE_ENDIAN
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#endif
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#ifdef LITTLE_ENDIAN
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#define BE32(_x_) (((_x_ & 0xff000000) >> 24) | \
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((_x_ & 0x00ff0000) >> 8) | \
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((_x_ & 0x0000ff00) << 8) | \
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((_x_ & 0x000000ff) << 24))
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#else
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#define BE32(_x_) _x_
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#endif
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#define SONGENTRY_SIZE (tagdbheader.songlen+12+tagdbheader.genrelen+4)
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#define FILEENTRY_SIZE (tagdbheader.filelen+12)
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#define ALBUMENTRY_SIZE (tagdbheader.albumlen+4+tagdbheader.songarraylen*4)
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#define ARTISTENTRY_SIZE (tagdbheader.artistlen+tagdbheader.albumarraylen*4)
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#define FILERECORD2OFFSET(_x_) (tagdbheader.filestart + _x_ * FILEENTRY_SIZE)
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extern int tagdb_initialized;
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struct tagdb_header {
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int version;
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int artiststart;
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int albumstart;
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int songstart;
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int filestart;
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int artistcount;
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int albumcount;
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int songcount;
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int filecount;
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int artistlen;
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int albumlen;
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int songlen;
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int genrelen;
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int filelen;
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int songarraylen;
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int albumarraylen;
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int rundbdirty;
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};
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struct file_entry {
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char *name;
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int hash;
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int tagentry;
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int rundbentry;
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};
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extern struct tagdb_header tagdbheader;
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extern int tagdb_fd;
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int tagdb_init(void);
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void tagdb_shutdown(void);
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#define TAGDB_VERSION 2
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struct rundb_header {
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int version;
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int entrycount;
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};
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struct rundb_entry {
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int fileentry;
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int hash;
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short rating;
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short voladjust;
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int playcount;
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int lastplayed;
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};
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extern struct rundb_header rundbheader;
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#define RUNDB_VERSION 1
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#endif
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