2004-02-24 00:41:20 +01:00
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/* the Music Player Daemon (MPD)
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2007-04-05 05:22:33 +02:00
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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2004-02-24 00:41:20 +01:00
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tag.h"
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#include "path.h"
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#include "myfprintf.h"
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2004-03-09 21:55:51 +01:00
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#include "utils.h"
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2004-04-13 04:20:46 +02:00
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#include "utf8.h"
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2004-04-13 04:38:09 +02:00
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#include "log.h"
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2004-05-06 20:49:04 +02:00
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#include "inputStream.h"
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2004-10-05 19:16:26 +02:00
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#include "conf.h"
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#include "charConv.h"
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2004-11-10 22:58:27 +01:00
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#include "tagTracker.h"
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#include "mpd_types.h"
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2006-08-15 02:04:34 +02:00
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#include "gcc.h"
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2007-03-20 21:12:53 +01:00
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#include "song.h"
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2004-02-24 00:41:20 +01:00
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include <errno.h>
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2005-03-05 23:24:10 +01:00
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#ifdef HAVE_ID3TAG
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2006-08-07 22:04:16 +02:00
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# define isId3v1(tag) (id3_tag_options(tag, 0, 0) & ID3_TAG_OPTION_ID3V1)
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# ifndef ID3_FRAME_COMPOSER
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# define ID3_FRAME_COMPOSER "TCOM"
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# endif
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2007-02-23 21:39:39 +01:00
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# ifndef ID3_FRAME_PERFORMER
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# define ID3_FRAME_PERFORMER "TOPE"
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# endif
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2006-08-07 22:04:16 +02:00
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# ifndef ID3_FRAME_DISC
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# define ID3_FRAME_DISC "TPOS"
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# endif
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2005-03-05 23:24:10 +01:00
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#endif
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2006-07-20 18:02:40 +02:00
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char *mpdTagItemKeys[TAG_NUM_OF_ITEM_TYPES] = {
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2004-11-10 22:58:27 +01:00
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"Artist",
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"Album",
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"Title",
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"Track",
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"Name",
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"Genre",
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2005-03-05 23:24:10 +01:00
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"Date",
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"Composer",
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"Performer",
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2006-04-30 21:55:56 +02:00
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"Comment",
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"Disc"
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2004-11-10 22:58:27 +01:00
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};
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static mpd_sint8 ignoreTagItems[TAG_NUM_OF_ITEM_TYPES];
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2006-07-20 18:02:40 +02:00
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void initTagConfig(void)
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{
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2004-11-10 22:58:27 +01:00
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int quit = 0;
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2006-07-20 18:02:40 +02:00
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char *temp;
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char *s;
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char *c;
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ConfigParam *param;
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2004-11-10 22:58:27 +01:00
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int i;
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2004-11-11 22:43:39 +01:00
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/* parse the "metadata_to_use" config parameter below */
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2006-07-20 18:02:40 +02:00
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2004-11-10 22:58:27 +01:00
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memset(ignoreTagItems, 0, TAG_NUM_OF_ITEM_TYPES);
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2006-07-20 18:02:40 +02:00
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ignoreTagItems[TAG_ITEM_COMMENT] = 1; /* ignore comments by default */
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2004-11-10 22:58:27 +01:00
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param = getConfigParam(CONF_METADATA_TO_USE);
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2006-07-20 18:02:40 +02:00
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if (!param)
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return;
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2004-11-10 22:58:27 +01:00
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memset(ignoreTagItems, 1, TAG_NUM_OF_ITEM_TYPES);
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2006-07-20 18:02:40 +02:00
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if (0 == strcasecmp(param->value, "none"))
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return;
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2004-11-10 22:58:27 +01:00
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2006-08-26 08:25:57 +02:00
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temp = c = s = xstrdup(param->value);
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2006-07-20 18:02:40 +02:00
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while (!quit) {
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if (*s == ',' || *s == '\0') {
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if (*s == '\0')
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quit = 1;
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2004-11-10 22:58:27 +01:00
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*s = '\0';
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2006-07-20 18:02:40 +02:00
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for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) {
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if (strcasecmp(c, mpdTagItemKeys[i]) == 0) {
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2004-11-10 22:58:27 +01:00
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ignoreTagItems[i] = 0;
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break;
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}
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}
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2006-07-20 18:02:40 +02:00
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if (strlen(c) && i == TAG_NUM_OF_ITEM_TYPES) {
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2007-05-26 20:15:54 +02:00
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FATAL("error parsing metadata item \"%s\" at "
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2006-07-20 18:02:40 +02:00
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"line %i\n", c, param->line);
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2004-11-10 22:58:27 +01:00
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}
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s++;
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c = s;
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}
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s++;
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}
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2004-02-24 00:41:20 +01:00
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2004-11-10 22:58:27 +01:00
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free(temp);
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2004-04-13 04:20:46 +02:00
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}
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2007-03-31 20:43:16 +02:00
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void printTagTypes(int fd)
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{
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int i;
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for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) {
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if (ignoreTagItems[i] == 0)
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fdprintf(fd, "tagtype: %s\n", mpdTagItemKeys[i]);
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}
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}
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2006-07-30 05:43:38 +02:00
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void printMpdTag(int fd, MpdTag * tag)
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2006-07-20 18:02:40 +02:00
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{
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2004-11-10 22:58:27 +01:00
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int i;
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2006-07-20 18:02:40 +02:00
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if (tag->time >= 0)
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2007-03-20 22:05:42 +01:00
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fdprintf(fd, SONG_TIME "%i\n", tag->time);
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2004-11-10 22:58:27 +01:00
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2006-07-20 18:02:40 +02:00
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for (i = 0; i < tag->numOfItems; i++) {
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2006-07-30 05:43:38 +02:00
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fdprintf(fd, "%s: %s\n", mpdTagItemKeys[tag->items[i].type],
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2006-07-20 18:02:40 +02:00
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tag->items[i].value);
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2004-11-10 22:58:27 +01:00
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}
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2004-04-13 04:20:46 +02:00
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}
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2004-02-24 00:41:20 +01:00
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#ifdef HAVE_ID3TAG
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2007-11-21 13:15:00 +01:00
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/* This will try to convert a string to utf-8,
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*/
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static id3_utf8_t * processID3FieldString (int is_id3v1, const id3_ucs4_t *ucs4, int type)
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{
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id3_utf8_t *utf8 = NULL;
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id3_latin1_t *isostr;
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char *encoding;
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if (type == TAG_ITEM_GENRE)
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ucs4 = id3_genre_name(ucs4);
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/* use encoding field here? */
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if (is_id3v1 &&
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(encoding = getConfigParamValue(CONF_ID3V1_ENCODING))) {
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isostr = id3_ucs4_latin1duplicate(ucs4);
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if (mpd_unlikely(!isostr)) {
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return NULL;
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}
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setCharSetConversion("UTF-8", encoding);
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2007-12-28 03:56:25 +01:00
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utf8 = xmalloc(strlen((char *)isostr) + 1);
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utf8 = (id3_utf8_t *)char_conv_str((char *)utf8, (char *)isostr);
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2007-11-21 13:15:00 +01:00
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if (!utf8) {
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DEBUG("Unable to convert %s string to UTF-8: "
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"'%s'\n", encoding, isostr);
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free(isostr);
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return NULL;
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}
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free(isostr);
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} else {
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utf8 = id3_ucs4_utf8duplicate(ucs4);
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if (mpd_unlikely(!utf8)) {
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return NULL;
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}
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}
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return utf8;
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}
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2006-08-15 02:47:19 +02:00
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static MpdTag *getID3Info(struct id3_tag *tag, char *id, int type, MpdTag * mpdTag)
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2004-11-10 22:58:27 +01:00
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{
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2006-07-20 18:02:40 +02:00
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struct id3_frame const *frame;
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id3_ucs4_t const *ucs4;
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2007-11-21 13:15:00 +01:00
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id3_utf8_t *utf8 = NULL;
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2006-07-20 18:02:40 +02:00
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union id3_field const *field;
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2004-02-24 00:41:20 +01:00
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unsigned int nstrings;
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2007-11-21 13:15:00 +01:00
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int i;
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2004-02-24 00:41:20 +01:00
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frame = id3_tag_findframe(tag, id, 0);
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2007-11-21 13:15:00 +01:00
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/* Check frame */
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if (!frame)
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{
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return mpdTag;
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}
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/* Check fields in frame */
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if(frame->nfields == 0)
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{
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DEBUG(__FILE__": Frame has no fields\n");
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2006-07-20 18:02:40 +02:00
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return mpdTag;
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2007-11-21 13:15:00 +01:00
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}
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2004-02-24 00:41:20 +01:00
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2007-11-21 13:15:00 +01:00
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/* Starting with T is a stringlist */
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if (id[0] == 'T')
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{
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/* This one contains 2 fields:
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* 1st: Text encoding
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* 2: Stringlist
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* Shamefully this isn't the RL case.
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* But I am going to enforce it anyway.
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*/
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if(frame->nfields != 2)
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{
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DEBUG(__FILE__": Invalid number '%i' of fields for TXX frame\n",frame->nfields);
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return mpdTag;
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}
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field = &frame->fields[0];
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/**
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* First field is encoding field.
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* This is ignored by mpd.
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*/
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if(field->type != ID3_FIELD_TYPE_TEXTENCODING)
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{
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DEBUG(__FILE__": Expected encoding, found: %i\n",field->type);
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}
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/* Process remaining fields, should be only one */
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field = &frame->fields[1];
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/* Encoding field */
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if(field->type == ID3_FIELD_TYPE_STRINGLIST) {
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/* Get the number of strings available */
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nstrings = id3_field_getnstrings(field);
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for (i = 0; i < nstrings; i++) {
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ucs4 = id3_field_getstrings(field,i);
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if(!ucs4)
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continue;
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utf8 = processID3FieldString(isId3v1(tag),ucs4, type);
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if(!utf8)
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continue;
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if (mpdTag == NULL)
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mpdTag = newMpdTag();
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addItemToMpdTag(mpdTag, type, (char *)utf8);
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free(utf8);
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}
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}
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else {
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ERROR(__FILE__": Field type not processed: %i\n",(int)id3_field_gettextencoding(field));
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}
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}
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/* A comment frame */
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else if(!strcmp(ID3_FRAME_COMMENT, id))
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{
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/* A comment frame is different... */
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/* 1st: encoding
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* 2nd: Language
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* 3rd: String
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* 4th: FullString.
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* The 'value' we want is in the 4th field
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*/
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if(frame->nfields == 4)
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{
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/* for now I only read the 4th field, with the fullstring */
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field = &frame->fields[3];
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if(field->type == ID3_FIELD_TYPE_STRINGFULL)
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{
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ucs4 = id3_field_getfullstring(field);
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if(ucs4)
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{
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utf8 = processID3FieldString(isId3v1(tag),ucs4, type);
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if(utf8)
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{
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if (mpdTag == NULL)
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mpdTag = newMpdTag();
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addItemToMpdTag(mpdTag, type, (char *)utf8);
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free(utf8);
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}
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}
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2006-06-21 22:52:51 +02:00
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}
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2007-11-21 13:15:00 +01:00
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else
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{
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DEBUG(__FILE__": 4th field in comment frame differs from expected, got '%i': ignoring\n",field->type);
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}
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2006-06-21 22:52:51 +02:00
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}
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2007-11-21 13:15:00 +01:00
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else
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{
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DEBUG(__FILE__": Invalid 'comments' tag, got '%i' fields instead of 4\n", frame->nfields);
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}
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}
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/* Unsupported */
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else {
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DEBUG(__FILE__": Unsupported tag type requrested\n");
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return mpdTag;
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2004-11-10 22:58:27 +01:00
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}
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2004-02-24 00:41:20 +01:00
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2004-11-10 22:58:27 +01:00
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return mpdTag;
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2004-02-24 00:41:20 +01:00
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}
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#endif
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#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
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MpdTag *parseId3Tag(struct id3_tag * tag)
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{
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MpdTag *ret = NULL;
|
2004-02-24 00:41:20 +01:00
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2004-11-10 22:58:27 +01:00
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ret = getID3Info(tag, ID3_FRAME_ARTIST, TAG_ITEM_ARTIST, ret);
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ret = getID3Info(tag, ID3_FRAME_TITLE, TAG_ITEM_TITLE, ret);
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ret = getID3Info(tag, ID3_FRAME_ALBUM, TAG_ITEM_ALBUM, ret);
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ret = getID3Info(tag, ID3_FRAME_TRACK, TAG_ITEM_TRACK, ret);
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ret = getID3Info(tag, ID3_FRAME_YEAR, TAG_ITEM_DATE, ret);
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ret = getID3Info(tag, ID3_FRAME_GENRE, TAG_ITEM_GENRE, ret);
|
2005-03-05 23:24:10 +01:00
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ret = getID3Info(tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER, ret);
|
2007-02-23 21:39:39 +01:00
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ret = getID3Info(tag, ID3_FRAME_PERFORMER, TAG_ITEM_PERFORMER, ret);
|
2005-03-05 23:24:10 +01:00
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|
|
ret = getID3Info(tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT, ret);
|
2006-04-30 21:55:56 +02:00
|
|
|
ret = getID3Info(tag, ID3_FRAME_DISC, TAG_ITEM_DISC, ret);
|
2004-02-24 00:41:20 +01:00
|
|
|
|
2004-06-01 14:50:15 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
|
|
|
static int fillBuffer(void *buf, size_t size, FILE * stream,
|
|
|
|
long offset, int whence)
|
2006-06-21 17:12:41 +02:00
|
|
|
{
|
2006-08-07 17:46:35 +02:00
|
|
|
if (fseek(stream, offset, whence) != 0) return 0;
|
2006-06-21 17:12:41 +02:00
|
|
|
return fread(buf, 1, size, stream);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_ID3TAG
|
|
|
|
static int getId3v2FooterSize(FILE * stream, long offset, int whence)
|
|
|
|
{
|
|
|
|
id3_byte_t buf[ID3_TAG_QUERYSIZE];
|
|
|
|
int bufsize;
|
|
|
|
|
|
|
|
bufsize = fillBuffer(buf, ID3_TAG_QUERYSIZE, stream, offset, whence);
|
2006-08-03 04:45:23 +02:00
|
|
|
if (bufsize <= 0) return 0;
|
2006-06-21 17:12:41 +02:00
|
|
|
return id3_tag_query(buf, bufsize);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
|
|
|
static struct id3_tag *getId3Tag(FILE * stream, long offset, int whence)
|
2006-06-21 17:12:41 +02:00
|
|
|
{
|
2006-07-20 18:02:40 +02:00
|
|
|
struct id3_tag *tag;
|
2006-08-07 22:34:59 +02:00
|
|
|
id3_byte_t queryBuf[ID3_TAG_QUERYSIZE];
|
|
|
|
id3_byte_t *tagBuf;
|
|
|
|
int tagSize;
|
|
|
|
int queryBufSize;
|
|
|
|
int tagBufSize;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* It's ok if we get less than we asked for */
|
2006-08-07 22:34:59 +02:00
|
|
|
queryBufSize = fillBuffer(queryBuf, ID3_TAG_QUERYSIZE,
|
|
|
|
stream, offset, whence);
|
|
|
|
if (queryBufSize <= 0) return NULL;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* Look for a tag header */
|
2006-08-07 22:34:59 +02:00
|
|
|
tagSize = id3_tag_query(queryBuf, queryBufSize);
|
|
|
|
if (tagSize <= 0) return NULL;
|
2004-06-01 14:50:15 +02:00
|
|
|
|
2006-08-07 22:34:59 +02:00
|
|
|
/* Found a tag. Allocate a buffer and read it in. */
|
2006-08-26 08:25:57 +02:00
|
|
|
tagBuf = xmalloc(tagSize);
|
2006-08-07 22:34:59 +02:00
|
|
|
if (!tagBuf) return NULL;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
2006-08-07 22:34:59 +02:00
|
|
|
tagBufSize = fillBuffer(tagBuf, tagSize, stream, offset, whence);
|
|
|
|
if (tagBufSize < tagSize) {
|
|
|
|
free(tagBuf);
|
|
|
|
return NULL;
|
2006-06-21 17:12:41 +02:00
|
|
|
}
|
|
|
|
|
2006-08-07 22:34:59 +02:00
|
|
|
tag = id3_tag_parse(tagBuf, tagBufSize);
|
|
|
|
|
|
|
|
free(tagBuf);
|
|
|
|
|
2006-06-21 17:12:41 +02:00
|
|
|
return tag;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
|
|
|
static struct id3_tag *findId3TagFromBeginning(FILE * stream)
|
2006-06-21 17:12:41 +02:00
|
|
|
{
|
2006-07-20 18:02:40 +02:00
|
|
|
struct id3_tag *tag;
|
|
|
|
struct id3_tag *seektag;
|
|
|
|
struct id3_frame *frame;
|
2006-06-21 17:12:41 +02:00
|
|
|
int seek;
|
|
|
|
|
|
|
|
tag = getId3Tag(stream, 0, SEEK_SET);
|
|
|
|
if (!tag) {
|
|
|
|
return NULL;
|
|
|
|
} else if (isId3v1(tag)) {
|
|
|
|
/* id3v1 tags don't belong here */
|
|
|
|
id3_tag_delete(tag);
|
2004-06-01 14:50:15 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2006-06-21 17:12:41 +02:00
|
|
|
/* We have an id3v2 tag, so let's look for SEEK frames */
|
|
|
|
while ((frame = id3_tag_findframe(tag, "SEEK", 0))) {
|
|
|
|
/* Found a SEEK frame, get it's value */
|
|
|
|
seek = id3_field_getint(id3_frame_field(frame, 0));
|
2006-07-20 18:02:40 +02:00
|
|
|
if (seek < 0)
|
|
|
|
break;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* Get the tag specified by the SEEK frame */
|
|
|
|
seektag = getId3Tag(stream, seek, SEEK_CUR);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!seektag || isId3v1(seektag))
|
|
|
|
break;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* Replace the old tag with the new one */
|
|
|
|
id3_tag_delete(tag);
|
|
|
|
tag = seektag;
|
|
|
|
}
|
|
|
|
|
|
|
|
return tag;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
|
|
|
static struct id3_tag *findId3TagFromEnd(FILE * stream)
|
2006-06-21 17:12:41 +02:00
|
|
|
{
|
2006-07-20 18:02:40 +02:00
|
|
|
struct id3_tag *tag;
|
|
|
|
struct id3_tag *v1tag;
|
2006-06-21 17:12:41 +02:00
|
|
|
int tagsize;
|
|
|
|
|
|
|
|
/* Get an id3v1 tag from the end of file for later use */
|
|
|
|
v1tag = getId3Tag(stream, -128, SEEK_END);
|
|
|
|
|
|
|
|
/* Get the id3v2 tag size from the footer (located before v1tag) */
|
|
|
|
tagsize = getId3v2FooterSize(stream, (v1tag ? -128 : 0) - 10, SEEK_END);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tagsize >= 0)
|
|
|
|
return v1tag;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* Get the tag which the footer belongs to */
|
|
|
|
tag = getId3Tag(stream, tagsize, SEEK_CUR);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!tag)
|
|
|
|
return v1tag;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
/* We have an id3v2 tag, so ditch v1tag */
|
|
|
|
id3_tag_delete(v1tag);
|
2006-07-20 18:02:40 +02:00
|
|
|
|
2006-06-21 17:12:41 +02:00
|
|
|
return tag;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
MpdTag *id3Dup(char *file)
|
|
|
|
{
|
|
|
|
MpdTag *ret = NULL;
|
2006-06-21 17:12:41 +02:00
|
|
|
#ifdef HAVE_ID3TAG
|
2006-07-20 18:02:40 +02:00
|
|
|
struct id3_tag *tag;
|
|
|
|
FILE *stream;
|
2006-06-21 17:12:41 +02:00
|
|
|
|
|
|
|
stream = fopen(file, "r");
|
|
|
|
if (!stream) {
|
2006-07-20 18:02:40 +02:00
|
|
|
DEBUG("id3Dup: Failed to open file: '%s', %s\n", file,
|
|
|
|
strerror(errno));
|
2004-06-01 14:50:15 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2006-06-21 17:12:41 +02:00
|
|
|
tag = findId3TagFromBeginning(stream);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!tag)
|
|
|
|
tag = findId3TagFromEnd(stream);
|
2004-06-01 14:50:15 +02:00
|
|
|
|
2006-06-21 17:12:41 +02:00
|
|
|
fclose(stream);
|
2004-02-24 00:41:20 +01:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!tag)
|
|
|
|
return NULL;
|
2006-06-21 17:12:41 +02:00
|
|
|
ret = parseId3Tag(tag);
|
|
|
|
id3_tag_delete(tag);
|
2004-02-24 00:41:20 +01:00
|
|
|
#endif
|
2006-07-20 18:02:40 +02:00
|
|
|
return ret;
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
MpdTag *apeDup(char *file)
|
|
|
|
{
|
|
|
|
MpdTag *ret = NULL;
|
|
|
|
FILE *fp = NULL;
|
2005-03-07 01:51:21 +01:00
|
|
|
int tagCount;
|
2006-07-20 18:02:40 +02:00
|
|
|
char *buffer = NULL;
|
|
|
|
char *p;
|
2005-03-07 01:51:21 +01:00
|
|
|
int tagLen;
|
|
|
|
int size;
|
|
|
|
unsigned long flags;
|
|
|
|
int i;
|
2006-07-20 18:02:40 +02:00
|
|
|
char *key;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
|
|
|
struct {
|
|
|
|
unsigned char id[8];
|
|
|
|
unsigned char version[4];
|
|
|
|
unsigned char length[4];
|
|
|
|
unsigned char tagCount[4];
|
|
|
|
unsigned char flags[4];
|
|
|
|
unsigned char reserved[8];
|
|
|
|
} footer;
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
char *apeItems[7] = {
|
2005-03-07 01:51:21 +01:00
|
|
|
"title",
|
|
|
|
"artist",
|
|
|
|
"album",
|
|
|
|
"comment",
|
|
|
|
"genre",
|
|
|
|
"track",
|
|
|
|
"year"
|
|
|
|
};
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
int tagItems[7] = {
|
2005-03-07 01:51:21 +01:00
|
|
|
TAG_ITEM_TITLE,
|
|
|
|
TAG_ITEM_ARTIST,
|
|
|
|
TAG_ITEM_ALBUM,
|
|
|
|
TAG_ITEM_COMMENT,
|
|
|
|
TAG_ITEM_GENRE,
|
|
|
|
TAG_ITEM_TRACK,
|
|
|
|
TAG_ITEM_DATE,
|
|
|
|
};
|
|
|
|
|
|
|
|
fp = fopen(file, "r");
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!fp)
|
|
|
|
return NULL;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
|
|
|
/* determine if file has an apeV2 tag */
|
2006-07-20 18:02:40 +02:00
|
|
|
if (fseek(fp, 0, SEEK_END))
|
|
|
|
goto fail;
|
2005-03-07 01:51:21 +01:00
|
|
|
size = ftell(fp);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (fseek(fp, size - sizeof(footer), SEEK_SET))
|
|
|
|
goto fail;
|
|
|
|
if (fread(&footer, 1, sizeof(footer), fp) != sizeof(footer))
|
|
|
|
goto fail;
|
|
|
|
if (memcmp(footer.id, "APETAGEX", sizeof(footer.id)) != 0)
|
|
|
|
goto fail;
|
|
|
|
if (readLEuint32(footer.version) != 2000)
|
|
|
|
goto fail;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
2006-08-11 23:50:56 +02:00
|
|
|
/* find beginning of ape tag */
|
2005-03-07 01:51:21 +01:00
|
|
|
tagLen = readLEuint32(footer.length);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tagLen < sizeof(footer))
|
|
|
|
goto fail;
|
|
|
|
if (fseek(fp, size - tagLen, SEEK_SET))
|
|
|
|
goto fail;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
|
|
|
/* read tag into buffer */
|
|
|
|
tagLen -= sizeof(footer);
|
2006-11-26 04:51:46 +01:00
|
|
|
if (tagLen <= 0)
|
|
|
|
goto fail;
|
2006-08-26 08:25:57 +02:00
|
|
|
buffer = xmalloc(tagLen);
|
2006-07-20 18:02:40 +02:00
|
|
|
if (fread(buffer, 1, tagLen, fp) != tagLen)
|
|
|
|
goto fail;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
|
|
|
/* read tags */
|
|
|
|
tagCount = readLEuint32(footer.tagCount);
|
|
|
|
p = buffer;
|
2006-07-20 18:02:40 +02:00
|
|
|
while (tagCount-- && tagLen > 10) {
|
2006-07-17 23:46:32 +02:00
|
|
|
size = readLEuint32((unsigned char *)p);
|
2005-03-07 01:51:21 +01:00
|
|
|
p += 4;
|
|
|
|
tagLen -= 4;
|
2006-07-17 23:46:32 +02:00
|
|
|
flags = readLEuint32((unsigned char *)p);
|
2005-03-07 01:51:21 +01:00
|
|
|
p += 4;
|
|
|
|
tagLen -= 4;
|
|
|
|
|
|
|
|
/* get the key */
|
|
|
|
key = p;
|
2006-07-20 18:02:40 +02:00
|
|
|
while (tagLen - size > 0 && *p != '\0') {
|
2005-03-07 01:51:21 +01:00
|
|
|
p++;
|
|
|
|
tagLen--;
|
|
|
|
}
|
|
|
|
p++;
|
|
|
|
tagLen--;
|
|
|
|
|
|
|
|
/* get the value */
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tagLen - size < 0)
|
|
|
|
goto fail;
|
2005-03-07 01:51:21 +01:00
|
|
|
|
|
|
|
/* we only care about utf-8 text tags */
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!(flags & (0x3 << 1))) {
|
|
|
|
for (i = 0; i < 7; i++) {
|
|
|
|
if (strcasecmp(key, apeItems[i]) == 0) {
|
|
|
|
if (!ret)
|
|
|
|
ret = newMpdTag();
|
|
|
|
addItemToMpdTagWithLen(ret, tagItems[i],
|
|
|
|
p, size);
|
2005-03-07 01:51:21 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
p += size;
|
|
|
|
tagLen -= size;
|
|
|
|
}
|
2006-07-20 18:02:40 +02:00
|
|
|
|
2006-08-10 00:18:06 +02:00
|
|
|
fail:
|
2006-07-20 18:02:40 +02:00
|
|
|
if (fp)
|
|
|
|
fclose(fp);
|
|
|
|
if (buffer)
|
|
|
|
free(buffer);
|
2005-03-07 01:51:21 +01:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
MpdTag *newMpdTag(void)
|
|
|
|
{
|
2006-08-26 08:25:57 +02:00
|
|
|
MpdTag *ret = xmalloc(sizeof(MpdTag));
|
2004-11-10 22:58:27 +01:00
|
|
|
ret->items = NULL;
|
2004-03-11 01:16:49 +01:00
|
|
|
ret->time = -1;
|
2004-11-10 22:58:27 +01:00
|
|
|
ret->numOfItems = 0;
|
2004-02-24 00:41:20 +01:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
static void deleteItem(MpdTag * tag, int index)
|
|
|
|
{
|
2004-11-10 22:58:27 +01:00
|
|
|
assert(index < tag->numOfItems);
|
2007-03-09 15:44:09 +01:00
|
|
|
tag->numOfItems--;
|
2004-11-10 22:58:27 +01:00
|
|
|
|
|
|
|
removeTagItemString(tag->items[index].type, tag->items[index].value);
|
2005-11-19 11:52:47 +01:00
|
|
|
/* free(tag->items[index].value); */
|
2004-11-10 22:58:27 +01:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag->numOfItems - index > 0) {
|
|
|
|
memmove(tag->items + index, tag->items + index + 1,
|
|
|
|
tag->numOfItems - index);
|
2004-11-10 22:58:27 +01:00
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag->numOfItems > 0) {
|
2006-08-26 08:25:57 +02:00
|
|
|
tag->items = xrealloc(tag->items,
|
2006-07-20 18:02:40 +02:00
|
|
|
tag->numOfItems * sizeof(MpdTagItem));
|
|
|
|
} else {
|
2004-11-10 22:58:27 +01:00
|
|
|
free(tag->items);
|
|
|
|
tag->items = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
void clearItemsFromMpdTag(MpdTag * tag, int type)
|
|
|
|
{
|
2004-11-10 22:58:27 +01:00
|
|
|
int i = 0;
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
for (i = 0; i < tag->numOfItems; i++) {
|
|
|
|
if (tag->items[i].type == type) {
|
2004-11-10 22:58:27 +01:00
|
|
|
deleteItem(tag, i);
|
|
|
|
/* decrement since when just deleted this node */
|
|
|
|
i--;
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|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
static void clearMpdTag(MpdTag * tag)
|
|
|
|
{
|
2004-11-10 22:58:27 +01:00
|
|
|
int i;
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
for (i = 0; i < tag->numOfItems; i++) {
|
2004-11-10 22:58:27 +01:00
|
|
|
removeTagItemString(tag->items[i].type, tag->items[i].value);
|
2005-11-19 11:52:47 +01:00
|
|
|
/* free(tag->items[i].value); */
|
2004-11-10 22:58:27 +01:00
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag->items)
|
|
|
|
free(tag->items);
|
2004-11-10 22:58:27 +01:00
|
|
|
tag->items = NULL;
|
|
|
|
|
|
|
|
tag->numOfItems = 0;
|
|
|
|
|
|
|
|
tag->time = -1;
|
2004-05-31 13:42:46 +02:00
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
void freeMpdTag(MpdTag * tag)
|
|
|
|
{
|
|
|
|
clearMpdTag(tag);
|
2004-02-24 00:41:20 +01:00
|
|
|
free(tag);
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
MpdTag *mpdTagDup(MpdTag * tag)
|
|
|
|
{
|
|
|
|
MpdTag *ret = NULL;
|
2004-11-10 22:58:27 +01:00
|
|
|
int i;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!tag)
|
|
|
|
return NULL;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
ret = newMpdTag();
|
|
|
|
ret->time = tag->time;
|
2004-06-01 12:28:06 +02:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
for (i = 0; i < tag->numOfItems; i++) {
|
2004-11-10 22:58:27 +01:00
|
|
|
addItemToMpdTag(ret, tag->items[i].type, tag->items[i].value);
|
|
|
|
}
|
2004-06-01 12:28:06 +02:00
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
return ret;
|
2004-06-01 12:28:06 +02:00
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
int mpdTagsAreEqual(MpdTag * tag1, MpdTag * tag2)
|
|
|
|
{
|
2004-11-10 22:58:27 +01:00
|
|
|
int i;
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag1 == NULL && tag2 == NULL)
|
|
|
|
return 1;
|
|
|
|
else if (!tag1 || !tag2)
|
|
|
|
return 0;
|
2004-06-01 12:28:06 +02:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag1->time != tag2->time)
|
|
|
|
return 0;
|
2004-06-01 12:28:06 +02:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag1->numOfItems != tag2->numOfItems)
|
|
|
|
return 0;
|
2004-11-10 22:58:27 +01:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
for (i = 0; i < tag1->numOfItems; i++) {
|
|
|
|
if (tag1->items[i].type != tag2->items[i].type)
|
|
|
|
return 0;
|
|
|
|
if (strcmp(tag1->items[i].value, tag2->items[i].value)) {
|
2004-11-10 22:58:27 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
2004-06-01 12:28:06 +02:00
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
return 1;
|
2004-06-01 12:28:06 +02:00
|
|
|
}
|
2004-11-10 22:58:27 +01:00
|
|
|
|
|
|
|
#define fixUtf8(str) { \
|
|
|
|
if(str && !validUtf8String(str)) { \
|
|
|
|
char * temp; \
|
|
|
|
DEBUG("not valid utf8 in tag: %s\n",str); \
|
|
|
|
temp = latin1StrToUtf8Dup(str); \
|
|
|
|
free(str); \
|
|
|
|
str = temp; \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
static void appendToTagItems(MpdTag * tag, int type, char *value, int len)
|
2004-11-10 22:58:27 +01:00
|
|
|
{
|
|
|
|
int i = tag->numOfItems;
|
2006-08-26 08:25:57 +02:00
|
|
|
char *dup = xmalloc(len + 1);
|
2006-07-20 18:02:40 +02:00
|
|
|
|
2006-07-30 12:31:41 +02:00
|
|
|
memcpy(dup, value, len);
|
2004-11-10 22:58:27 +01:00
|
|
|
dup[len] = '\0';
|
|
|
|
|
|
|
|
fixUtf8(dup);
|
2005-04-30 03:50:29 +02:00
|
|
|
stripReturnChar(dup);
|
2004-11-10 22:58:27 +01:00
|
|
|
|
|
|
|
tag->numOfItems++;
|
2006-08-26 08:25:57 +02:00
|
|
|
tag->items = xrealloc(tag->items, tag->numOfItems * sizeof(MpdTagItem));
|
2004-11-10 22:58:27 +01:00
|
|
|
|
|
|
|
tag->items[i].type = type;
|
|
|
|
tag->items[i].value = getTagItemString(type, dup);
|
|
|
|
|
|
|
|
free(dup);
|
|
|
|
}
|
|
|
|
|
2006-07-20 18:02:40 +02:00
|
|
|
void addItemToMpdTagWithLen(MpdTag * tag, int itemType, char *value, int len)
|
|
|
|
{
|
|
|
|
if (ignoreTagItems[itemType])
|
2007-11-21 13:15:00 +01:00
|
|
|
{
|
2006-07-20 18:02:40 +02:00
|
|
|
return;
|
2007-11-21 13:15:00 +01:00
|
|
|
}
|
2006-07-20 18:02:40 +02:00
|
|
|
if (!value || !len)
|
|
|
|
return;
|
2004-11-10 23:13:30 +01:00
|
|
|
|
|
|
|
/* we can't hold more than 255 items */
|
2006-07-20 18:02:40 +02:00
|
|
|
if (tag->numOfItems == 255)
|
|
|
|
return;
|
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
appendToTagItems(tag, itemType, value, len);
|
|
|
|
}
|