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/*
* This file is part of libextractor.
* (C) 2008 Toni Ruottu
*
* libextractor 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, or (at your
* option) any later version.
*
* libextractor 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libextractor; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "platform.h"
#include "extractor.h"
#define HEADER_SIZE 0xD0
struct header
{
char magicid[4];
char title[26];
char hilight[2];
char orders[2];
char instruments[2];
char samples[2];
char patterns[2];
char version[2];
char compatible[2];
char flags[2];
char special[2];
};
/* "extract" keyword from an Impulse Tracker module
*
* ITTECH.TXT as taken from IT 2.14p5 was used,
* while this piece of software was originally
* written.
*
*/
int
EXTRACTOR_it_extract (const char *data,
size_t size,
EXTRACTOR_MetaDataProcessor proc,
void *proc_cls,
const char *options)
{
char title[27];
char itversion[8];
struct header *head;
/* Check header size */
if (size < HEADER_SIZE)
return 0;
head = (struct header *) data;
/* Check "magic" id bytes */
if (memcmp (head->magicid, "IMPM", 4))
return 0;
/* Mime-type */
if (0 != proc (proc_cls,
"it",
EXTRACTOR_METATYPE_MIMETYPE,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
"audio/x-it",
strlen("audio/x-it")+1))
return 1;
/* Version of Tracker */
sprintf (itversion,
"%d.%d",
(head->version[0]& 0x01),head->version[1]);
if (0 != proc (proc_cls,
"it",
EXTRACTOR_METATYPE_FORMAT_VERSION,
EXTRACTOR_METAFORMAT_C_STRING,
"text/plain",
itversion,
strlen(itversion)+1))
return 1;
/* Song title */
memcpy (&title, head->title, 26);
title[26] = '\0';
if (0 != proc (proc_cls,
"it",
EXTRACTOR_METATYPE_TITLE,
EXTRACTOR_METAFORMAT_C_STRING,
"text/plain",
title,
strlen(title)+1))
return 1;
return 0;
}
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