<!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>libresample: src/filterkit.h Source File</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">libresample <span id="projectnumber">0.1.3</span></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="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <div class="title">src/filterkit.h</div> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span> <a name="l00002"></a>00002 <span class="comment"></span> <a name="l00003"></a>00003 <span class="comment"> resamplesubs.c</span> <a name="l00004"></a>00004 <span class="comment"></span> <a name="l00005"></a>00005 <span class="comment"> Real-time library interface by Dominic Mazzoni</span> <a name="l00006"></a>00006 <span class="comment"></span> <a name="l00007"></a>00007 <span class="comment"> Based on resample-1.7:</span> <a name="l00008"></a>00008 <span class="comment"> http://www-ccrma.stanford.edu/~jos/resample/</span> <a name="l00009"></a>00009 <span class="comment"></span> <a name="l00010"></a>00010 <span class="comment"> License: LGPL - see the file LICENSE.txt for more information</span> <a name="l00011"></a>00011 <span class="comment"></span> <a name="l00012"></a>00012 <span class="comment">**********************************************************************/</span> <a name="l00013"></a>00013 <a name="l00014"></a>00014 <span class="comment">/* Definitions */</span> <a name="l00015"></a>00015 <span class="preprocessor">#include "resample_defs.h"</span> <a name="l00016"></a>00016 <a name="l00017"></a>00017 <span class="comment">/*</span> <a name="l00018"></a>00018 <span class="comment"> * FilterUp() - Applies a filter to a given sample when up-converting.</span> <a name="l00019"></a>00019 <span class="comment"> * FilterUD() - Applies a filter to a given sample when up- or down-</span> <a name="l00020"></a>00020 <span class="comment"> */</span> <a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="keywordtype">float</span> lrsFilterUp(<span class="keywordtype">float</span> Imp[], <span class="keywordtype">float</span> ImpD[], UWORD Nwing, BOOL Interp, <a name="l00023"></a>00023 <span class="keywordtype">float</span> *Xp, <span class="keywordtype">double</span> Ph, <span class="keywordtype">int</span> Inc); <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="keywordtype">float</span> lrsFilterUD(<span class="keywordtype">float</span> Imp[], <span class="keywordtype">float</span> ImpD[], UWORD Nwing, BOOL Interp, <a name="l00026"></a>00026 <span class="keywordtype">float</span> *Xp, <span class="keywordtype">double</span> Ph, <span class="keywordtype">int</span> Inc, <span class="keywordtype">double</span> dhb); <a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="keywordtype">void</span> lrsLpFilter(<span class="keywordtype">double</span> c[], <span class="keywordtype">int</span> N, <span class="keywordtype">double</span> frq, <span class="keywordtype">double</span> Beta, <span class="keywordtype">int</span> Num); </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon Apr 11 2011 for libresample 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>