127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
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/***************************************************************************
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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 Dave Chapman
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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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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include "system.h"
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#include "id3.h"
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#include "metadata_common.h"
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#include "debug.h"
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#include "atoi.h"
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#include "rbunicode.h"
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bool get_spc_metadata(int fd, struct mp3entry* id3)
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{
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/* Use the trackname part of the id3 structure as a temporary buffer */
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unsigned char * buf = (unsigned char *)id3->path;
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int read_bytes;
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char * p;
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unsigned long length;
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unsigned long fade;
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bool isbinary = true;
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int i;
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/* try to get the ID666 tag */
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if ((lseek(fd, 0x2e, SEEK_SET) < 0)
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|| ((read_bytes = read(fd, buf, 0xD2)) < 0xD2))
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{
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DEBUGF("lseek or read failed\n");
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return false;
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}
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p = id3->id3v2buf;
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id3->title = p;
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buf[31] = 0;
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p = iso_decode(buf, p, 0, 32);
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buf += 32;
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id3->album = p;
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buf[31] = 0;
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p = iso_decode(buf, p, 0, 32);
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buf += 48;
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id3->comment = p;
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buf[31] = 0;
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p = iso_decode(buf, p, 0, 32);
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buf += 32;
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/* Date check */
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if(buf[2] == '/' && buf[5] == '/')
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isbinary = false;
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/* Reserved bytes check */
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if(buf[0xD2 - 0x2E - 112] >= '0' &&
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buf[0xD2 - 0x2E - 112] <= '9' &&
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buf[0xD3 - 0x2E - 112] == 0x00)
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isbinary = false;
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/* is length & fade only digits? */
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for (i=0;i<8 && (
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(buf[0xA9 - 0x2E - 112+i]>='0'&&buf[0xA9 - 0x2E - 112+i]<='9') ||
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buf[0xA9 - 0x2E - 112+i]=='\0');
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i++);
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if (i==8) isbinary = false;
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if(isbinary) {
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id3->year = buf[0] | (buf[1]<<8);
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buf += 11;
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length = (buf[0] | (buf[1]<<8) | (buf[2]<<16)) * 1000;
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buf += 3;
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fade = (buf[0] | (buf[1]<<8) | (buf[2]<<16) | (buf[3]<<24));
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buf += 4;
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} else {
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char tbuf[6];
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buf += 6;
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buf[4] = 0;
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id3->year = atoi(buf);
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buf += 5;
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memcpy(tbuf, buf, 3);
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tbuf[3] = 0;
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length = atoi(tbuf) * 1000;
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buf += 3;
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memcpy(tbuf, buf, 5);
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tbuf[5] = 0;
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fade = atoi(tbuf);
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buf += 5;
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}
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id3->artist = p;
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buf[31] = 0;
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p = iso_decode(buf, p, 0, 32);
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if (length==0) {
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length=3*60*1000; /* 3 minutes */
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fade=5*1000; /* 5 seconds */
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}
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id3->length = length+fade;
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return true;
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}
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