73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* 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 "metadataChunk.h"
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#include <string.h>
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void initMetadataChunk(MetadataChunk * chunk) {
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memset(chunk, 0, sizeof(MetadataChunk));
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chunk->name = -1;
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chunk->artist = -1;
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chunk->album = -1;
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chunk->title = -1;
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}
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#define dupElementToTag(string, element) { \
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if(element >= 0 && element < METADATA_BUFFER_LENGTH) { \
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string = strdup(chunk->buffer+element); \
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} \
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}
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MpdTag * metadataChunkToMpdTagDup(MetadataChunk * chunk) {
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MpdTag * ret = newMpdTag();
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chunk->buffer[METADATA_BUFFER_LENGTH] = '\0';
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dupElementToTag(ret->name, chunk->name);
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dupElementToTag(ret->title, chunk->title);
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dupElementToTag(ret->artist, chunk->artist);
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dupElementToTag(ret->album, chunk->album);
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return ret;
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}
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#define copyStringToChunk(string, element) { \
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if(string && (slen = strlen(string)) && \
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pos < METADATA_BUFFER_LENGTH-1) \
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{ \
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strncpy(chunk->buffer+pos, string, \
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METADATA_BUFFER_LENGTH-1-pos); \
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element = pos; \
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pos += slen+1; \
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} \
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}
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void copyMpdTagToMetadataChunk(MpdTag * tag, MetadataChunk * chunk) {
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int pos = 0;
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int slen;
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initMetadataChunk(chunk);
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copyStringToChunk(tag->name, chunk->name);
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copyStringToChunk(tag->title, chunk->title);
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copyStringToChunk(tag->artist, chunk->artist);
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copyStringToChunk(tag->album, chunk->album);
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}
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