55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#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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