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Algorithm::FEC

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Algorithm::FEC




%font "t5"
+---+---+---+---+---+---+---+---+
| 0 |   |   |   |   |   |   |n-1|
+---+---+---+---+---+---+---+---+
 DDD DDD DDD DDD DDD DDD DDD DDD 

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Algorithm::FEC




%font "t5"
+---+---+---+---+---+---+---+---+---+---+-----+
| 0 |   |   |   |   |   |   |n-1| n |   |n+k-1|
+---+---+---+---+---+---+---+---+---+---+-----+
 DDD DDD DDD DDD DDD DDD DDD DDD CCC CCC CCCCC

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API


Kodieren
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%font "t5"
$fec = new Algorithm::FEC $n, $k, $blocksize;
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$fec->set_encode_blocks ([array_of_blocks]);
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$block = $fec->encode ($index);


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%font "s"
Dekodieren
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%font "t5"
$fec = new Algorithm::FEC $n, $k, $blocksize;
%pause
$fec->set_decode_blocks ([blocks], [indices]);
%pause
$fec->decode;

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$fec->shuffle ([blocks], [indices]);
$fec->copy ($srcidx, $dstidx);

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Blockangaben



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"String mit Blocksize Octets Länge"


%pause
FILEHANDLE einer Datei mit Blocksize Octets Länge


%pause
[FILEHANDLE, offset]

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Aus!