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stream_structure_version
2002 Jul 12
0
Problem with checksums
...i<size;i++)
*crc_reg=(*crc_reg<<8)^crc_lookup[((*crc_reg >>24)&0xff)^buffer[i]];
}
<p>Delphi test code:
type
TByteArray = packed array of Byte;
TCharArray = packed array of Char;
TOggPageHeader = packed record
CapturePattern: packed array [1..4] of Char;
StreamStructureVersion,
HeaderTypeFlag: Byte;
AbsolutePosition: Int64;
StreamSerialNumber,
PageSequenceNumber,
Checksum: Cardinal;
PageSegments: Byte;
SegmentTable: TByteArray;
PageBodyLength: Cardinal;
end;
procedure ChecksumCalc(var CRC: Cardinal; buffer: Pointer; size:
Cardinal); pas...