<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Dirac Video Codec</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body bgcolor="#ffffff"> <h1 align="center" color="#606080"> Dirac - A Video Codec </h1> <p align="center"> Created by the <a href="http://www.bbc.co.uk">British Broadcasting Corporation</a>. </p> <hr> <!-- Generated by Doxygen 1.5.9 --> <div class="navpath"><a class="el" href="a00234.html">dirac</a>::<a class="el" href="a00012.html">BlockDiffParams</a> </div> <div class="contents"> <h1>dirac::BlockDiffParams Class Reference</h1><!-- doxytag: class="dirac::BlockDiffParams" -->A class encapsulating parameters for calculating a block difference value (a single instance of matching). <p> <code>#include <<a class="el" href="a00196_source.html">me_utils.h</a>></code> <p> <p> <a href="a00370.html">List of all members.</a><h2>Public Member Functions</h2> <ul> <li><a class="el" href="a00012.html#93ea5f9b212ab1b3c10bc580822bca6d">BlockDiffParams</a> () <dl class="el"><dd class="mdescRight">Constructor. <a href="#93ea5f9b212ab1b3c10bc580822bca6d"></a><br></dl><li><a class="el" href="a00012.html#0d836721bf95d3dd7aa17c68cf6cc741">BlockDiffParams</a> (const int x_p, const int y_p, const int x_l, const int y_l) <dl class="el"><dd class="mdescRight">Constructor. <a href="#0d836721bf95d3dd7aa17c68cf6cc741"></a><br></dl><li>void <a class="el" href="a00012.html#a9e9dda5648751361140cc877c61024c">SetBlockLimits</a> (const <a class="el" href="a00096.html">OLBParams</a> &bparams, const <a class="el" href="a00107.html">PicArray</a> &pic_data, const int xbpos, const int ybpos) <dl class="el"><dd class="mdescRight">Set the limits of the block to fit in a picture. <a href="#a9e9dda5648751361140cc877c61024c"></a><br></dl><li>int <a class="el" href="a00012.html#ee4e31795d863144342b4cfe558c5577">Xp</a> () const <dl class="el"><dd class="mdescRight">Return the x-position of the top-left block corner. <a href="#ee4e31795d863144342b4cfe558c5577"></a><br></dl><li>int <a class="el" href="a00012.html#c6852325eb20b33336864ee3bdf79e96">Yp</a> () const <dl class="el"><dd class="mdescRight">Return the y-position of the top-left block corner. <a href="#c6852325eb20b33336864ee3bdf79e96"></a><br></dl><li>int <a class="el" href="a00012.html#8314a7a997a8432d690e262ba549ade9">Xl</a> () const <dl class="el"><dd class="mdescRight">Return the block width. <a href="#8314a7a997a8432d690e262ba549ade9"></a><br></dl><li>int <a class="el" href="a00012.html#c7088dde3b797375fc5c183d5a409651">Yl</a> () const <dl class="el"><dd class="mdescRight">Return the block height. <a href="#c7088dde3b797375fc5c183d5a409651"></a><br></dl><li>int <a class="el" href="a00012.html#8da41ebf051a16a3b424108a22c58c72">Xend</a> () const <dl class="el"><dd class="mdescRight">Return the block horizontal endpoint. <a href="#8da41ebf051a16a3b424108a22c58c72"></a><br></dl><li>int <a class="el" href="a00012.html#3b10660705533c01c5d5fdaeb00bdd50">Yend</a> () const <dl class="el"><dd class="mdescRight">Return the block vertical endpoint. <a href="#3b10660705533c01c5d5fdaeb00bdd50"></a><br></dl></ul> <h2>Private Attributes</h2> <ul> <li>int <a class="el" href="a00012.html#6773519a8b71d5630d3c3c3bc5e5f867">m_xp</a> <li>int <a class="el" href="a00012.html#3e81436f4f1a0c1df75f09c0f3a4f4aa">m_yp</a> <li>int <a class="el" href="a00012.html#bcabad59e912f8b62a005afb31e05c3c">m_xl</a> <li>int <a class="el" href="a00012.html#cafbaac8aa23c54bc7c07f62f34e3178">m_yl</a> <li>int <a class="el" href="a00012.html#ff9819499530e21d878f6277d2d4df75">m_xend</a> <li>int <a class="el" href="a00012.html#2367161af4dee4dc78ffe2caf5a82ee4">m_yend</a> </ul> <hr><h2>Constructor & Destructor Documentation</h2> <a class="anchor" name="93ea5f9b212ab1b3c10bc580822bca6d"></a><!-- doxytag: member="dirac::BlockDiffParams::BlockDiffParams" ref="93ea5f9b212ab1b3c10bc580822bca6d" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">dirac::BlockDiffParams::BlockDiffParams </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> </div> </div><p> <a class="anchor" name="0d836721bf95d3dd7aa17c68cf6cc741"></a><!-- doxytag: member="dirac::BlockDiffParams::BlockDiffParams" ref="0d836721bf95d3dd7aa17c68cf6cc741" args="(const int x_p, const int y_p, const int x_l, const int y_l)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">dirac::BlockDiffParams::BlockDiffParams </td> <td>(</td> <td class="paramtype">const int </td> <td class="paramname"> <em>x_p</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>y_p</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>x_l</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>y_l</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> </div> </div><p> <hr><h2>Member Function Documentation</h2> <a class="anchor" name="a9e9dda5648751361140cc877c61024c"></a><!-- doxytag: member="dirac::BlockDiffParams::SetBlockLimits" ref="a9e9dda5648751361140cc877c61024c" args="(const OLBParams &bparams, const PicArray &pic_data, const int xbpos, const int ybpos)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void dirac::BlockDiffParams::SetBlockLimits </td> <td>(</td> <td class="paramtype">const <a class="el" href="a00096.html">OLBParams</a> & </td> <td class="paramname"> <em>bparams</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="a00107.html">PicArray</a> & </td> <td class="paramname"> <em>pic_data</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>xbpos</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>ybpos</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p> </div> </div><p> <a class="anchor" name="8da41ebf051a16a3b424108a22c58c72"></a><!-- doxytag: member="dirac::BlockDiffParams::Xend" ref="8da41ebf051a16a3b424108a22c58c72" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Xend </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00109">m_xend</a>.</p> </div> </div><p> <a class="anchor" name="8314a7a997a8432d690e262ba549ade9"></a><!-- doxytag: member="dirac::BlockDiffParams::Xl" ref="8314a7a997a8432d690e262ba549ade9" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Xl </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00107">m_xl</a>.</p> </div> </div><p> <a class="anchor" name="ee4e31795d863144342b4cfe558c5577"></a><!-- doxytag: member="dirac::BlockDiffParams::Xp" ref="ee4e31795d863144342b4cfe558c5577" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Xp </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00105">m_xp</a>.</p> </div> </div><p> <a class="anchor" name="3b10660705533c01c5d5fdaeb00bdd50"></a><!-- doxytag: member="dirac::BlockDiffParams::Yend" ref="3b10660705533c01c5d5fdaeb00bdd50" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Yend </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00110">m_yend</a>.</p> </div> </div><p> <a class="anchor" name="c7088dde3b797375fc5c183d5a409651"></a><!-- doxytag: member="dirac::BlockDiffParams::Yl" ref="c7088dde3b797375fc5c183d5a409651" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Yl </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00108">m_yl</a>.</p> </div> </div><p> <a class="anchor" name="c6852325eb20b33336864ee3bdf79e96"></a><!-- doxytag: member="dirac::BlockDiffParams::Yp" ref="c6852325eb20b33336864ee3bdf79e96" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::BlockDiffParams::Yp </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>References <a class="el" href="a00196_source.html#l00106">m_yp</a>.</p> </div> </div><p> <hr><h2>Member Data Documentation</h2> <a class="anchor" name="ff9819499530e21d878f6277d2d4df75"></a><!-- doxytag: member="dirac::BlockDiffParams::m_xend" ref="ff9819499530e21d878f6277d2d4df75" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#ff9819499530e21d878f6277d2d4df75">dirac::BlockDiffParams::m_xend</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00098">Xend()</a>.</p> </div> </div><p> <a class="anchor" name="bcabad59e912f8b62a005afb31e05c3c"></a><!-- doxytag: member="dirac::BlockDiffParams::m_xl" ref="bcabad59e912f8b62a005afb31e05c3c" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#bcabad59e912f8b62a005afb31e05c3c">dirac::BlockDiffParams::m_xl</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00092">Xl()</a>.</p> </div> </div><p> <a class="anchor" name="6773519a8b71d5630d3c3c3bc5e5f867"></a><!-- doxytag: member="dirac::BlockDiffParams::m_xp" ref="6773519a8b71d5630d3c3c3bc5e5f867" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#6773519a8b71d5630d3c3c3bc5e5f867">dirac::BlockDiffParams::m_xp</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00086">Xp()</a>.</p> </div> </div><p> <a class="anchor" name="2367161af4dee4dc78ffe2caf5a82ee4"></a><!-- doxytag: member="dirac::BlockDiffParams::m_yend" ref="2367161af4dee4dc78ffe2caf5a82ee4" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#2367161af4dee4dc78ffe2caf5a82ee4">dirac::BlockDiffParams::m_yend</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00101">Yend()</a>.</p> </div> </div><p> <a class="anchor" name="cafbaac8aa23c54bc7c07f62f34e3178"></a><!-- doxytag: member="dirac::BlockDiffParams::m_yl" ref="cafbaac8aa23c54bc7c07f62f34e3178" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#cafbaac8aa23c54bc7c07f62f34e3178">dirac::BlockDiffParams::m_yl</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00095">Yl()</a>.</p> </div> </div><p> <a class="anchor" name="3e81436f4f1a0c1df75f09c0f3a4f4aa"></a><!-- doxytag: member="dirac::BlockDiffParams::m_yp" ref="3e81436f4f1a0c1df75f09c0f3a4f4aa" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int <a class="el" href="a00012.html#3e81436f4f1a0c1df75f09c0f3a4f4aa">dirac::BlockDiffParams::m_yp</a><code> [private]</code> </td> </tr> </table> </div> <div class="memdoc"> <p> <p>Referenced by <a class="el" href="a00196_source.html#l00089">Yp()</a>.</p> </div> </div><p> <hr>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="a00196_source.html">me_utils.h</a></ul> </div> <hr> <p align="center"><small> © 2004 British Broadcasting Corporation. Dirac code licensed under the <a href="http://www.mozilla.org/MPL/">Mozilla Public License (MPL) Version 1.1</a>.<br> HTML documentation generated by Dimitri van Heesch's excellent <a href="http://www.doxygen.org">Doxygen</a> tool. </small></p> </body> </html>