| 1 |
root |
1.1 |
%include "std.mgp" |
| 2 |
|
|
%%default 1 bimage "gtk/gtk-window.jpg" 1024x768, center |
| 3 |
|
|
%page |
| 4 |
root |
1.2 |
%charset "iso8859-1" |
| 5 |
root |
1.4 |
%bimage "bg.png" 1280x1024 |
| 6 |
root |
1.1 |
|
| 7 |
|
|
Algorithm::FEC |
| 8 |
|
|
|
| 9 |
|
|
%page |
| 10 |
|
|
|
| 11 |
|
|
Algorithm::FEC |
| 12 |
|
|
|
| 13 |
|
|
|
| 14 |
|
|
|
| 15 |
|
|
|
| 16 |
|
|
%font "t5" |
| 17 |
|
|
+---+---+---+---+---+---+---+---+ |
| 18 |
|
|
| 0 | | | | | | |n-1| |
| 19 |
|
|
+---+---+---+---+---+---+---+---+ |
| 20 |
|
|
DDD DDD DDD DDD DDD DDD DDD DDD |
| 21 |
|
|
|
| 22 |
|
|
%page |
| 23 |
|
|
|
| 24 |
|
|
Algorithm::FEC |
| 25 |
|
|
|
| 26 |
|
|
|
| 27 |
|
|
|
| 28 |
|
|
|
| 29 |
|
|
%font "t5" |
| 30 |
|
|
+---+---+---+---+---+---+---+---+---+---+-----+ |
| 31 |
|
|
| 0 | | | | | | |n-1| n | |n+k-1| |
| 32 |
|
|
+---+---+---+---+---+---+---+---+---+---+-----+ |
| 33 |
|
|
DDD DDD DDD DDD DDD DDD DDD DDD CCC CCC CCCCC |
| 34 |
|
|
|
| 35 |
|
|
%page |
| 36 |
|
|
|
| 37 |
|
|
API |
| 38 |
|
|
|
| 39 |
root |
1.3 |
|
| 40 |
root |
1.1 |
Kodieren |
| 41 |
|
|
%pause |
| 42 |
|
|
%font "t5" |
| 43 |
|
|
$fec = new Algorithm::FEC $n, $k, $blocksize; |
| 44 |
|
|
%pause |
| 45 |
|
|
$fec->set_encode_blocks ([array_of_blocks]); |
| 46 |
|
|
%pause |
| 47 |
|
|
$block = $fec->encode ($index); |
| 48 |
|
|
|
| 49 |
root |
1.3 |
|
| 50 |
root |
1.1 |
%pause |
| 51 |
|
|
%font "s" |
| 52 |
|
|
Dekodieren |
| 53 |
|
|
%pause |
| 54 |
|
|
%font "t5" |
| 55 |
|
|
$fec = new Algorithm::FEC $n, $k, $blocksize; |
| 56 |
|
|
%pause |
| 57 |
|
|
$fec->set_decode_blocks ([blocks], [indices]); |
| 58 |
|
|
%pause |
| 59 |
|
|
$fec->decode; |
| 60 |
root |
1.3 |
|
| 61 |
root |
1.1 |
%pause |
| 62 |
|
|
$fec->shuffle ([blocks], [indices]); |
| 63 |
|
|
$fec->copy ($srcidx, $dstidx); |
| 64 |
|
|
|
| 65 |
|
|
%page |
| 66 |
|
|
|
| 67 |
|
|
Blockangaben |
| 68 |
|
|
|
| 69 |
|
|
|
| 70 |
root |
1.3 |
|
| 71 |
root |
1.1 |
%pause |
| 72 |
|
|
"String mit Blocksize Octets Länge" |
| 73 |
|
|
|
| 74 |
root |
1.3 |
|
| 75 |
root |
1.1 |
%pause |
| 76 |
|
|
FILEHANDLE einer Datei mit Blocksize Octets Länge |
| 77 |
|
|
|
| 78 |
root |
1.3 |
|
| 79 |
root |
1.1 |
%pause |
| 80 |
|
|
[FILEHANDLE, offset] |
| 81 |
root |
1.3 |
|
| 82 |
|
|
%page |
| 83 |
|
|
|
| 84 |
|
|
Aus! |
| 85 |
root |
1.1 |
|
| 86 |
|
|
|
