1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 8.0.0.0 for Windows"> 7<META http-equiv="Content-Style-Type" content="text/css"> 8<title>CXUncompContextLH</title> 9<LINK rel="stylesheet" href="../CSS/revolution.css" type="text/css"> 10</head> 11 12<body> 13 14<h1 align="left">CXUncompContextLH</h1> 15<h2>Definitions</h2> 16 17<dl> 18 <dd> 19 <PRE><CODE>#include <revolution/cx/CXStreamingUncompression.h></CODE><BR> 20typedef struct 21{ 22 u8* destp; // 4B 23 s32 destCount; // 4B 24 u16 huffTable9[ 0x400 ]; // 2048B 25 u16 huffTable12[ 0x40 ]; // 128B 26 u16* nodep; // 4B 27 s32 tableSize9; // 4B 28 s32 tableSize12; // 4B 29 u32 tableIdx; // 4B 30 u32 stream; // 4B 31 u32 stream_len; // 4B 32 u32 headerSize; // 4B 33 u16 length; // 2B 34 s8 offset_bits; // 1B 35 u8 padding_[1]; // 1B 36 // Total 2216B 37} CXUncompContextLH;</PRE> 38 </dd> 39</dl> 40<h2>Description</h2> 41<P>This is the context structure where the status of data uncompression is stored when LH-compressed data is undergoing streaming uncompression while being read from the Card.<BR>The context is initialized by the <A href="CXInitUncompContextLH.html"><CODE>CXInitUncompContextLH</CODE></A> function and used by the <A href="CXReadUncompLH.html"><CODE>CXReadUncompLH</CODE></A> function to store the uncompression status.<BR> 42</P> 43<TABLE border="1" width="100%"> 44 <TBODY> 45 <TR> 46<TD width="13%"><EM><STRONG>destp</STRONG></EM></TD> 47<TD width="87%">Pointer to the region where uncompressed data will be written</TD> 48 </TR> 49 <TR> 50<TD><EM><STRONG>destCount</STRONG></EM></TD> 51<TD>Remaining write size </TD> 52 </TR> 53 <TR> 54<TD><EM><STRONG>destTmp</STRONG></EM></TD> 55<TD>For storing data while writing</TD> 56 </TR> 57 <TR> 58<TD><EM><STRONG>destTmpCnt</STRONG></EM></TD> 59<TD>For storing data size while writing</TD> 60 </TR> 61 <TR> 62<TD><EM><STRONG>flags</STRONG></EM></TD> 63<TD>For storing compression flag data</TD> 64 </TR> 65 <TR> 66<TD><EM><STRONG>flagIndex</STRONG></EM></TD> 67<TD>For storing the current index of flag data </TD> 68 </TR> 69 <TR> 70<TD width="13%"><EM><STRONG>length</STRONG></EM></TD> 71<TD width="87%">For storing the size of the continuous write </TD> 72 </TR> 73 <TR> 74<TD><EM><STRONG>lengthFlg</STRONG></EM></TD> 75<TD>For storing whether or not <em>offset</em> information spanning 2 bytes is currently being read</TD> 76 </TR> 77 <TR> 78<TD><EM><STRONG>headerSize</STRONG></EM></TD> 79<TD>For storing the compressed header size while reading</TD> 80 </TR> 81 </TBODY> 82</TABLE> 83<h2>See Also</h2> 84<p><CODE><A href="CXInitUncompContextLH.html">CXInitUncompContextLH</A>, <A href="CXReadUncompLH.html">CXReadUncompLH</A>, <A href="CXUncompContextRL.html">CXUncompContextRL</A>,<A href="CXUncompContextHuffman.html">CXUncompContextHuffman</A><br> 85</CODE></p> 86 87<H2>Revision History</H2> 88<P>2007/11/01 Initial version.</P> 89<hr><p>CONFIDENTIAL</p></body> 90</html> 91