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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Dave Chapman
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include "system.h"
#include "metadata.h"
#include "metadata_common.h"
#include "metadata_parsers.h"
#include "rbunicode.h"
/* PSID metadata info is available here:
http://www.unusedino.de/ec64/technical/formats/sidplay.html */
bool get_sid_metadata(int fd, struct mp3entry* id3)
{
/* Use the trackname part of the id3 structure as a temporary buffer */
unsigned char* buf = (unsigned char *)id3->path;
char *p;
if ((lseek(fd, 0, SEEK_SET) < 0)
|| (read(fd, buf, 0x80) < 0x80))
{
return false;
}
if ((memcmp(buf, "PSID", 4) != 0))
{
return false;
}
p = id3->id3v2buf;
/* Copy Title (assumed max 0x1f letters + 1 zero byte) */
id3->title = p;
buf[0x16+0x1f] = 0;
p = iso_decode(&buf[0x16], p, 0, strlen(&buf[0x16])+1);
/* Copy Artist (assumed max 0x1f letters + 1 zero byte) */
id3->artist = p;
buf[0x36+0x1f] = 0;
p = iso_decode(&buf[0x36], p, 0, strlen(&buf[0x36])+1);
/* Copy Year (assumed max 4 letters + 1 zero byte) */
buf[0x56+0x4] = 0;
id3->year = atoi(&buf[0x56]);
/* Copy Album (assumed max 0x1f-0x05 letters + 1 zero byte) */
id3->album = p;
buf[0x56+0x1f] = 0;
iso_decode(&buf[0x5b], p, 0, strlen(&buf[0x5b])+1);
id3->bitrate = 706;
id3->frequency = 44100;
/* New idea as posted by Marco Alanen (ravon):
* Set the songlength in seconds to the number of subsongs
* so every second represents a subsong.
* Users can then skip the current subsong by seeking
*
* Note: the number of songs is a 16bit value at 0xE, so this code only
* uses the lower 8 bits of the counter.
*/
id3->length = (buf[0xf]-1)*1000;
id3->vbr = false;
id3->filesize = filesize(fd);
return true;
}
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