2004-02-24 00:41:20 +01:00
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/* the Music Player Daemon (MPD)
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* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu
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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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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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#ifdef HAVE_OGG
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#include <vorbis/vorbisfile.h>
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#endif
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#ifdef HAVE_FLAC
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#include <FLAC/file_decoder.h>
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#include <FLAC/metadata.h>
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#endif
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2005-03-05 23:24:10 +01:00
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#ifdef HAVE_ID3TAG
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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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#endif
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2004-11-10 22:58:27 +01:00
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char * mpdTagItemKeys[TAG_NUM_OF_ITEM_TYPES] =
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{
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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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"Comment"
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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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void initTagConfig() {
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int quit = 0;
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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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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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2004-11-10 22:58:27 +01:00
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memset(ignoreTagItems, 0, TAG_NUM_OF_ITEM_TYPES);
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2005-03-05 23:24:10 +01:00
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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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if(!param) return;
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memset(ignoreTagItems, 1, TAG_NUM_OF_ITEM_TYPES);
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if(0 == strcasecmp(param->value, "none")) return;
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temp = c = s = strdup(param->value);
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while(!quit) {
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if(*s == ',' || *s == '\0') {
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if(*s == '\0') quit = 1;
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*s = '\0';
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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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ignoreTagItems[i] = 0;
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break;
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}
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}
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if(strlen(c) && i == TAG_NUM_OF_ITEM_TYPES) {
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ERROR("error parsing metadata item \"%s\" at "
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"line %i\n", c, param->line);
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exit(EXIT_FAILURE);
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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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2004-11-10 22:58:27 +01:00
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void printMpdTag(FILE * fp, MpdTag * tag) {
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int i;
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if(tag->time>=0) myfprintf(fp,"Time: %i\n",tag->time);
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for(i = 0; i < tag->numOfItems; i++) {
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myfprintf(fp, "%s: %s\n", mpdTagItemKeys[tag->items[i].type],
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tag->items[i].value);
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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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2004-11-10 22:58:27 +01:00
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MpdTag * getID3Info(struct id3_tag * tag, char * id, int type, MpdTag * mpdTag)
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{
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2004-02-24 00:41:20 +01:00
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struct id3_frame const * frame;
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id3_ucs4_t const * ucs4;
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id3_utf8_t * utf8;
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union id3_field const * field;
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unsigned int nstrings;
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2004-11-10 22:58:27 +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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2004-11-10 22:58:27 +01:00
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if(!frame) return mpdTag;
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2004-02-24 00:41:20 +01:00
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field = &frame->fields[1];
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nstrings = id3_field_getnstrings(field);
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2004-11-10 22:58:27 +01:00
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for(i = 0; i < nstrings; i++) {
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ucs4 = id3_field_getstrings(field, i);
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assert(ucs4);
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if(type == TAG_ITEM_GENRE) {
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ucs4 = id3_genre_name(ucs4);
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}
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2005-03-11 03:59:26 +01:00
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utf8 = id3_ucs4_utf8duplicate(ucs4);
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2004-11-11 22:43:39 +01:00
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2004-11-10 22:58:27 +01:00
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if(!utf8) continue;
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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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if( NULL == mpdTag ) mpdTag = newMpdTag();
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addItemToMpdTag(mpdTag, type, utf8);
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free(utf8);
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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
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2004-06-01 14:50:15 +02:00
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MpdTag * parseId3Tag(struct id3_tag * tag) {
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MpdTag * ret = NULL;
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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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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);
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2005-03-05 23:24:10 +01:00
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ret = getID3Info(tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER, ret);
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ret = getID3Info(tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT, ret);
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2004-02-24 00:41:20 +01:00
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2004-06-01 14:50:15 +02:00
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return ret;
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}
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#endif
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MpdTag * id3Dup(char * file) {
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MpdTag * ret = NULL;
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#ifdef HAVE_ID3TAG
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struct id3_file * id3_file;
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struct id3_tag * tag;
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id3_file = id3_file_open(file, ID3_FILE_MODE_READONLY);
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if(!id3_file) {
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2005-09-08 23:08:02 +02:00
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DEBUG("id3Dup: Failed to open file: '%s', %s\n",file, strerror(errno));
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2004-06-01 14:50:15 +02:00
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return NULL;
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}
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tag = id3_file_tag(id3_file);
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if(!tag) {
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id3_file_close(id3_file);
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return NULL;
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}
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ret = parseId3Tag(tag);
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2004-05-31 04:21:06 +02:00
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id3_file_close(id3_file);
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2004-02-24 00:41:20 +01:00
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#endif
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return ret;
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}
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2005-03-07 01:51:21 +01:00
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MpdTag * apeDup(char * file) {
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MpdTag * ret = NULL;
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FILE * fp = NULL;
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int tagCount;
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unsigned char * buffer = NULL;
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unsigned char * p;
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int tagLen;
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int size;
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unsigned long flags;
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int i;
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unsigned char * key;
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struct {
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unsigned char id[8];
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unsigned char version[4];
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unsigned char length[4];
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unsigned char tagCount[4];
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unsigned char flags[4];
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unsigned char reserved[8];
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} footer;
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char * apeItems[7] =
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{
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"title",
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"artist",
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"album",
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"comment",
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"genre",
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"track",
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"year"
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};
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int tagItems[7] =
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{
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TAG_ITEM_TITLE,
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TAG_ITEM_ARTIST,
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TAG_ITEM_ALBUM,
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TAG_ITEM_COMMENT,
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TAG_ITEM_GENRE,
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TAG_ITEM_TRACK,
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TAG_ITEM_DATE,
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};
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fp = fopen(file, "r");
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if(!fp) return NULL;
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/* determine if file has an apeV2 tag */
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if(fseek(fp, 0, SEEK_END)) goto fail;
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size = ftell(fp);
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if(fseek(fp, size-sizeof(footer), SEEK_SET)) goto fail;
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if(fread(&footer, 1, sizeof(footer), fp) != sizeof(footer)) goto fail;
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if(memcmp(footer.id, "APETAGEX", sizeof(footer.id)) != 0) goto fail;
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if(readLEuint32(footer.version) != 2000) goto fail;
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/* find begining of ape tag */
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tagLen = readLEuint32(footer.length);
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if(tagLen < sizeof(footer)) goto fail;
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if(fseek(fp, size-tagLen, SEEK_SET)) goto fail;
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/* read tag into buffer */
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tagLen -= sizeof(footer);
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buffer = malloc(tagLen);
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if(fread(buffer, 1, tagLen, fp) != tagLen) goto fail;
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/* read tags */
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tagCount = readLEuint32(footer.tagCount);
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p = buffer;
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while(tagCount-- && tagLen > 10) {
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size = readLEuint32(p);
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p += 4;
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tagLen -= 4;
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flags = readLEuint32(p);
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p += 4;
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tagLen -= 4;
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/* get the key */
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key = p;
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while(tagLen-size > 0 && *p != '\0') {
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p++;
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tagLen--;
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}
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p++;
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tagLen--;
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/* get the value */
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if(tagLen-size < 0) goto fail;
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/* we only care about utf-8 text tags */
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if(!(flags & (0x3 << 1))) {
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for(i = 0; i < 7; i++) {
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if(strcasecmp(key, apeItems[i]) == 0) {
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if(!ret) ret = newMpdTag();
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addItemToMpdTagWithLen(
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ret, tagItems[i], p, size);
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}
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}
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}
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p += size;
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tagLen -= size;
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}
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fail:
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if(fp) fclose(fp);
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if(buffer) free(buffer);
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return ret;
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}
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|
2004-02-24 00:41:20 +01:00
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MpdTag * newMpdTag() {
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MpdTag * ret = malloc(sizeof(MpdTag));
|
2004-11-10 22:58:27 +01:00
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ret->items = NULL;
|
2004-03-11 01:16:49 +01:00
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ret->time = -1;
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2004-11-10 22:58:27 +01:00
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ret->numOfItems = 0;
|
2004-02-24 00:41:20 +01:00
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return ret;
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}
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|
2004-11-10 22:58:27 +01:00
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static void deleteItem(MpdTag * tag, int index) {
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tag->numOfItems--;
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assert(index < tag->numOfItems);
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removeTagItemString(tag->items[index].type, tag->items[index].value);
|
2005-11-19 11:52:47 +01:00
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/* free(tag->items[index].value); */
|
2004-11-10 22:58:27 +01:00
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if(tag->numOfItems-index > 0) {
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memmove(tag->items+index, tag->items+index+1,
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tag->numOfItems-index);
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}
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if(tag->numOfItems > 0) {
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tag->items = realloc(tag->items,
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tag->numOfItems*sizeof(MpdTagItem));
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}
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else {
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free(tag->items);
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tag->items = NULL;
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}
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}
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void clearItemsFromMpdTag(MpdTag * tag, int type) {
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int i = 0;
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for(i = 0; i < tag->numOfItems; i++) {
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|
|
if(tag->items[i].type == type) {
|
|
|
|
deleteItem(tag, i);
|
|
|
|
/* decrement since when just deleted this node */
|
|
|
|
i--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-05-31 13:42:46 +02:00
|
|
|
void clearMpdTag(MpdTag * tag) {
|
2004-11-10 22:58:27 +01:00
|
|
|
int i;
|
|
|
|
|
|
|
|
for(i = 0; i < tag->numOfItems; i++) {
|
|
|
|
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
|
|
|
}
|
|
|
|
|
|
|
|
if(tag->items) free(tag->items);
|
|
|
|
tag->items = NULL;
|
|
|
|
|
|
|
|
tag->numOfItems = 0;
|
|
|
|
|
|
|
|
tag->time = -1;
|
2004-05-31 13:42:46 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void freeMpdTag(MpdTag * tag) {
|
|
|
|
clearMpdTag(tag);
|
2004-02-24 00:41:20 +01:00
|
|
|
free(tag);
|
|
|
|
}
|
|
|
|
|
|
|
|
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
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
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
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
for(i = 0; i < tag->numOfItems; i++) {
|
|
|
|
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
|
|
|
}
|
|
|
|
|
|
|
|
int mpdTagsAreEqual(MpdTag * tag1, MpdTag * tag2) {
|
2004-11-10 22:58:27 +01:00
|
|
|
int i;
|
|
|
|
|
2004-06-01 12:28:06 +02:00
|
|
|
if(tag1 == NULL && tag2 == NULL) return 1;
|
2004-06-07 17:00:18 +02:00
|
|
|
else if(!tag1 || !tag2) return 0;
|
2004-06-01 12:28:06 +02:00
|
|
|
|
|
|
|
if(tag1->time != tag2->time) return 0;
|
|
|
|
|
2004-11-10 22:58:27 +01:00
|
|
|
if(tag1->numOfItems != tag2->numOfItems) return 0;
|
|
|
|
|
|
|
|
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)) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
2004-06-01 12:28:06 +02:00
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
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; \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
inline static void appendToTagItems(MpdTag * tag, int type, char * value,
|
|
|
|
int len)
|
|
|
|
{
|
|
|
|
int i = tag->numOfItems;
|
|
|
|
|
|
|
|
char * dup;
|
|
|
|
dup = malloc(len+1);
|
|
|
|
strncpy(dup, value, len);
|
|
|
|
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++;
|
|
|
|
tag->items = realloc(tag->items, tag->numOfItems*sizeof(MpdTagItem));
|
|
|
|
|
|
|
|
tag->items[i].type = type;
|
|
|
|
tag->items[i].value = getTagItemString(type, dup);
|
|
|
|
|
|
|
|
free(dup);
|
|
|
|
}
|
|
|
|
|
|
|
|
void addItemToMpdTagWithLen(MpdTag * tag, int itemType, char * value, int len) {
|
|
|
|
if(ignoreTagItems[itemType]) return;
|
|
|
|
|
|
|
|
if(!value || !len) return;
|
2004-11-10 23:13:30 +01:00
|
|
|
|
|
|
|
/* we can't hold more than 255 items */
|
|
|
|
if(tag->numOfItems == 255) return;
|
2004-11-10 22:58:27 +01:00
|
|
|
|
|
|
|
appendToTagItems(tag, itemType, value, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
char * getNextItemFromMpdTag(MpdTag * tag, int itemType, int * last) {
|
|
|
|
int i = 0;
|
|
|
|
|
|
|
|
if(last && *last >=0) i = *last+1;
|
|
|
|
|
|
|
|
for(i = 0; i < tag->numOfItems; i++) {
|
|
|
|
if(itemType == tag->items[i].type) {
|
|
|
|
if(last) *last = i;
|
|
|
|
return tag->items[i].value;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|