<!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="a00155.html">VHFilterHAAR0</a> </div> <div class="contents"> <h1>dirac::VHFilterHAAR0 Class Reference</h1><!-- doxytag: class="dirac::VHFilterHAAR0" --><!-- doxytag: inherits="dirac::VHFilter" -->Class to do Haar wavelet filtering operations. <p> <code>#include <<a class="el" href="a00233_source.html">wavelet_utils.h</a>></code> <p> <div class="dynheader"> Inheritance diagram for dirac::VHFilterHAAR0:</div> <div class="dynsection"> <p><center><img src="a00155.png" usemap="#dirac::VHFilterHAAR0_map" border="0" alt=""></center> <map name="dirac::VHFilterHAAR0_map"> <area href="a00151.html" alt="dirac::VHFilter" shape="rect" coords="0,0,136,24"> </map> </div> <p> <a href="a00339.html">List of all members.</a><h2>Public Member Functions</h2> <ul> <li>void <a class="el" href="a00155.html#bd18842cfa4f73188057203f4669d0bf">Split</a> (const int xp, const int yp, const int xl, const int yl, <a class="el" href="a00021.html">CoeffArray</a> &coeff_data) <dl class="el"><dd class="mdescRight">Split a subband into 4. <a href="#bd18842cfa4f73188057203f4669d0bf"></a><br></dl><li>void <a class="el" href="a00155.html#ecfe9631b972138fb3f3793130d5dd70">Synth</a> (const int xp, const int yp, const int xl, const int yl, <a class="el" href="a00021.html">CoeffArray</a> &coeff_data) <dl class="el"><dd class="mdescRight">Create a single band from 4 quadrant bands. <a href="#ecfe9631b972138fb3f3793130d5dd70"></a><br></dl><li>int <a class="el" href="a00155.html#bec1b9f078e12a695a2f0c53d291a026">GetShift</a> () const <dl class="el"><dd class="mdescRight">Return the value of the additional bitshift. <a href="#bec1b9f078e12a695a2f0c53d291a026"></a><br></dl></ul> <hr><h2>Member Function Documentation</h2> <a class="anchor" name="bec1b9f078e12a695a2f0c53d291a026"></a><!-- doxytag: member="dirac::VHFilterHAAR0::GetShift" ref="bec1b9f078e12a695a2f0c53d291a026" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int dirac::VHFilterHAAR0::GetShift </td> <td>(</td> <td class="paramname"> </td> <td> ) </td> <td> const<code> [inline, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>Implements <a class="el" href="a00151.html#10cc8209defb69140066f368e6389af9">dirac::VHFilter</a>.</p> </div> </div><p> <a class="anchor" name="bd18842cfa4f73188057203f4669d0bf"></a><!-- doxytag: member="dirac::VHFilterHAAR0::Split" ref="bd18842cfa4f73188057203f4669d0bf" args="(const int xp, const int yp, const int xl, const int yl, CoeffArray &coeff_data)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void dirac::VHFilterHAAR0::Split </td> <td>(</td> <td class="paramtype">const int </td> <td class="paramname"> <em>xp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>yp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>xl</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>yl</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="a00021.html">CoeffArray</a> & </td> <td class="paramname"> <em>coeff_data</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>Implements <a class="el" href="a00151.html#01d7dd6e1c3fdac88ca23ee783504418">dirac::VHFilter</a>.</p> </div> </div><p> <a class="anchor" name="ecfe9631b972138fb3f3793130d5dd70"></a><!-- doxytag: member="dirac::VHFilterHAAR0::Synth" ref="ecfe9631b972138fb3f3793130d5dd70" args="(const int xp, const int yp, const int xl, const int yl, CoeffArray &coeff_data)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void dirac::VHFilterHAAR0::Synth </td> <td>(</td> <td class="paramtype">const int </td> <td class="paramname"> <em>xp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>yp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>xl</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const int </td> <td class="paramname"> <em>yl</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="a00021.html">CoeffArray</a> & </td> <td class="paramname"> <em>coeff_data</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p> <p>Implements <a class="el" href="a00151.html#5109a961eaae47c216ab05ce5c280841">dirac::VHFilter</a>.</p> </div> </div><p> <hr>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="a00233_source.html">wavelet_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>