rockbox/apps/metadata/spc.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

128 lines
3.3 KiB
C

/***************************************************************************
* __________ __ ___.
* 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 "id3.h"
#include "metadata_common.h"
#include "metadata_parsers.h"
#include "debug.h"
#include "rbunicode.h"
bool get_spc_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;
int read_bytes;
char * p;
unsigned long length;
unsigned long fade;
bool isbinary = true;
int i;
/* try to get the ID666 tag */
if ((lseek(fd, 0x2e, SEEK_SET) < 0)
|| ((read_bytes = read(fd, buf, 0xD2)) < 0xD2))
{
DEBUGF("lseek or read failed\n");
return false;
}
p = id3->id3v2buf;
id3->title = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 32;
id3->album = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 48;
id3->comment = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 32;
/* Date check */
if(buf[2] == '/' && buf[5] == '/')
isbinary = false;
/* Reserved bytes check */
if(buf[0xD2 - 0x2E - 112] >= '0' &&
buf[0xD2 - 0x2E - 112] <= '9' &&
buf[0xD3 - 0x2E - 112] == 0x00)
isbinary = false;
/* is length & fade only digits? */
for (i=0;i<8 && (
(buf[0xA9 - 0x2E - 112+i]>='0'&&buf[0xA9 - 0x2E - 112+i]<='9') ||
buf[0xA9 - 0x2E - 112+i]=='\0');
i++);
if (i==8) isbinary = false;
if(isbinary) {
id3->year = buf[0] | (buf[1]<<8);
buf += 11;
length = (buf[0] | (buf[1]<<8) | (buf[2]<<16)) * 1000;
buf += 3;
fade = (buf[0] | (buf[1]<<8) | (buf[2]<<16) | (buf[3]<<24));
buf += 4;
} else {
char tbuf[6];
buf += 6;
buf[4] = 0;
id3->year = atoi(buf);
buf += 5;
memcpy(tbuf, buf, 3);
tbuf[3] = 0;
length = atoi(tbuf) * 1000;
buf += 3;
memcpy(tbuf, buf, 5);
tbuf[5] = 0;
fade = atoi(tbuf);
buf += 5;
}
id3->artist = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
if (length==0) {
length=3*60*1000; /* 3 minutes */
fade=5*1000; /* 5 seconds */
}
id3->length = length+fade;
return true;
}