<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>WebM VP8 Codec SDK: vpx_roi_map Struct Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.4 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">WebM VP8 Codec SDK</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li class="current"><a 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valign="top">unsigned char * </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">roi_map</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">rows</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">cols</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">delta_q</a> [4]</td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">delta_lf</a> [4]</td></tr> <tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">static_threshold</a> [4]</td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>vpx region of interest map </p> <p>These defines the data structures for the region of interest map </p> </div><hr/><h2>Field Documentation</h2> <a class="anchor" id="aba69e211b81d622977ba07ac47b61075"></a><!-- doxytag: member="vpx_roi_map::roi_map" ref="aba69e211b81d622977ba07ac47b61075" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned char* <a class="el" href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">vpx_roi_map::roi_map</a></td> </tr> </table> </div> <div class="memdoc"> <p>specify an id between 0 and 3 for each 16x16 region within a frame </p> </div> </div> <a class="anchor" id="a3fdcecd472553d08a99ced02cda5c9a6"></a><!-- doxytag: member="vpx_roi_map::rows" ref="a3fdcecd472553d08a99ced02cda5c9a6" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned int <a class="el" href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">vpx_roi_map::rows</a></td> </tr> </table> </div> <div class="memdoc"> <p>number of rows </p> </div> </div> <a class="anchor" id="a5458459aaf16b14b86fb0adef32757c8"></a><!-- doxytag: member="vpx_roi_map::cols" ref="a5458459aaf16b14b86fb0adef32757c8" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned int <a class="el" href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">vpx_roi_map::cols</a></td> </tr> </table> </div> <div class="memdoc"> <p>number of cols </p> </div> </div> <a class="anchor" id="a6e7aecf1d31c329f43dcb36717b3999b"></a><!-- doxytag: member="vpx_roi_map::delta_q" ref="a6e7aecf1d31c329f43dcb36717b3999b" args="[4]" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">vpx_roi_map::delta_q</a>[4]</td> </tr> </table> </div> <div class="memdoc"> <p>quantizer delta [-64, 64] off baseline for regions with id between 0 and 3 </p> </div> </div> <a class="anchor" id="a5164be48a612bf872b81e0a86726fbed"></a><!-- doxytag: member="vpx_roi_map::delta_lf" ref="a5164be48a612bf872b81e0a86726fbed" args="[4]" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">vpx_roi_map::delta_lf</a>[4]</td> </tr> </table> </div> <div class="memdoc"> <p>loop filter strength delta [-32, 32] for regions with id between 0 and 3 </p> </div> </div> <a class="anchor" id="a3354ff458e229361b53a0b2d1bf68cfb"></a><!-- doxytag: member="vpx_roi_map::static_threshold" ref="a3354ff458e229361b53a0b2d1bf68cfb" args="[4]" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned int <a class="el" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">vpx_roi_map::static_threshold</a>[4]</td> </tr> </table> </div> <div class="memdoc"> <p>threshold for region to be treated as static </p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li>vpx/<a class="el" href="vp8cx_8h_source.html">vp8cx.h</a></li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Tue Aug 16 2011 for WebM VP8 Codec SDK by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address> </body> </html>