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14<h1 align="left">MI_SecureUnfilterDiff <IMG src="../../image/NTR.gif" align="middle"><IMG src="../../image/TWL.gif" align="middle"></h1>
15<h2>Syntax</h2>
16
17<dl>
18  <dd>
19<CODE>#include &lt;nitro/mi.h&gt;</CODE><BR>
20  <BR>
21  <CODE>s32 MI_SecureUnfilterDiff( register const void *srcp, u32 srcSize, register void *destp, u32 dstSize);</CODE><br>
22</dl>
23<h2>Arguments</h2>
24<TABLE border="1" width="100%">
25  <TBODY>
26    <TR>
27      <TD width="13%"><EM><STRONG>srcp</STRONG></EM></TD>
28      <TD width="87%">The source address where difference filtered-data is stored.</TD>
29    </TR>
30    <TR>
31      <TD width="13%"><EM><STRONG>srcSize</STRONG></EM></TD>
32      <TD width="87%">Source data size.</TD>
33    </TR>
34    <TR>
35      <TD width="13%"><EM><STRONG>destp</STRONG></EM></TD>
36      <TD width="87%">The destination address where the data is expanded. Can be the same region as the source address.</TD>
37    </TR>
38    <TR>
39      <TD width="13%"><EM><STRONG>dstSize</STRONG></EM></TD>
40      <TD width="87%">Destination size for decompression.</TD>
41    </TR>
42  </TBODY>
43</TABLE>
44
45<h2>Return Values</h2>
46<TABLE border="1" width="100%">
47  <TBODY>
48    <TR>
49      <TD width="13%"><EM><STRONG>MI_ERR_SUCCESS</STRONG></EM></TD>
50      <TD width="87%">Function completed successfully.</TD>
51    </TR>
52    <TR>
53      <TD width="13%"><EM><STRONG>MI_ERR_UNSUPPORTED</STRONG></EM></TD>
54      <TD width="87%">Unsupported compression data type.</TD>
55    </TR>
56    <TR>
57      <TD width="13%"><EM><STRONG>MI_ERR_SRC_SHORTAGE</STRONG></EM></TD>
58      <TD width="87%">Source data size is too small.</TD>
59    </TR>
60    <TR>
61      <TD width="13%"><EM><STRONG>MI_ERR_SRC_REMAINDER</STRONG></EM></TD>
62      <TD width="87%">Source data size is too large.</TD>
63    </TR>
64  </TBODY>
65</TABLE>
66
67<H2>Description</H2>
68<P>This function expands the data to which the difference filter was applied and writes it to the specified memory region. The source address must be aligned to a 4-byte boundary. The pointers to the source and destination addresses may point to the same region.</P>
69
70<h2>See Also</h2>
71<p><CODE><A href="MI_SecureUncompressHuffman.html">MI_SecureUncompressHuffman</A>, <A href="MI_SecureUncompressRL.html">MI_SecureUncompressRL</A>, <A href="MI_SecureUncompressLZ.html">MI_SecureUncompressLZ</A></CODE></p>
72
73<H2>Revision History</H2>
74<P>2008/05/22 Initial version.</P>
75<hr><p>CONFIDENTIAL</p></body>
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