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13<h1 align="left">TMCCJPEGDecGetSize</h1>
14<h2>Syntax</h2>
15
16<dl>
17  <dd>
18<CODE>#include &lt;revolution/tmcc_jpeg.h&gt;</CODE><BR> <BR>
19  <PRE><CODE>s32 TMCCJPEGDecGetSize(
20        void *pWorkArea,
21        void *pJpegStream,
22        u32 jpegStreamSize,
23        GXTexFmt texFormat,
24        s32 resolution,
25        u8 thumbnail,
26        <A href="TMCCJPEGJpegSize.html">TMCCJPEGJpegSize</A> *jpegSize
27);
28
29</CODE></PRE></dd>
30</dl>
31
32<h2>Arguments</h2>
33<TABLE border="1" width="100%">
34  <TBODY>
35    <TR>
36<TD width="13%"><EM><STRONG>*pWorkArea</STRONG></EM></TD>
37<TD width="87%">Configure the starting address of the work area.
38
39</TD>
40    </TR>
41    <TR>
42<TD width="13%"><EM><STRONG>*pJpegStream</STRONG></EM></TD>
43<TD width="87%">Configure the starting address of the input JPEG data.<BR>(The starting address for the JPEG data should be 32-byte aligned. A <CODE>TMCC_JPEG_OPT_ERR</CODE> error code is returned if not 32-byte aligned.）
44
45
46</TD>
47    </TR>
48    <TR>
49<TD width="13%"><EM><STRONG>jpegStreamSize</STRONG></EM></TD>
50<TD width="87%">Specify the size of the input JPEG data.
51
52
53</TD>
54    </TR>
55
56    <TR>
57<TD width="13%"><EM><STRONG>texFormat</STRONG></EM></TD>
58<TD width="87%">Specify the texture format. <br>(A <CODE>TMCC_JPEG_TEXT_ERR</CODE> error code is returned for input that is neither <CODE>GX_TF_RGB565</CODE> nor <CODE>GX_TF_RGBA8</CODE>.）
59</TD>
60    </TR>
61
62 <TR>
63<TD width="13%"><EM><STRONG>resolution</STRONG></EM></TD>
64<TD width="87%">Configure the resolution-reduction conversion level.<br>(A <CODE>TMCC_JPEG_OPT_ERR</CODE> error code is returned for input that is not 1, 2, 4, or 8.）
65
66</TD>
67    </TR>
68
69 <TR>
70<TD width="13%"><EM><STRONG>thumbnail</STRONG></EM></TD>
71<TD width="87%">Enter 1 to expand thumbnails. When 0, the main image is expanded.<br>(A <CODE>TMCC_JPEG_OPT_ERR</CODE> error code is returned for input that is not 0 or 1.）
72</TD>
73    </TR>
74    <TR>
75<TD width="13%"><EM><STRONG>*jpegSize</STRONG></EM></TD>
76<TD width="87%">Size information for the JPEG data.<br>(See the <A href="TMCCJPEGJpegSize.html">TMCCJPEGJpegSize</A> structure.)
77
78
79
80</TD>
81    </TR>
82
83
84
85  </TBODY>
86</TABLE>
87
88
89<h2>Return Values</h2>
90<TABLE border="1">
91  <TBODY>
92    <TR>
93      <TD width="30%"><CODE>0</CODE></TD>
94<TD width="70%">Function completed successfully.</TD>
95    </TR>
96    <TR>
97<TD width="30%"><CODE>Negative</CODE></TD>
98<TD width="70%">Abnormal exit (error code).</TD>
99    </TR>
100  </TBODY>
101</TABLE>
102
103<H2>Description</H2>
104<P>Gets the number of valid pixels in the JPEG input data. <BR>
105</P>
106
107<h2>See Also</h2>
108<p><CODE><A href="TMCCJPEGJpegSize.html">TMCCJPEGJpegSize</A></CODE><BR><A href="errorcode.html">Error Codes</A></p>
109<H2>Revision History</H2>
110<P>
1112009/10/19 Made changes to the description of the <CODE>include</CODE> file in line with integration into the Revolution SDK.<BR> 2007/02/02 Initial version.</P>
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