mirror of
https://github.com/thestk/stk
synced 2026-01-11 20:11:52 +00:00
90 lines
8.7 KiB
HTML
90 lines
8.7 KiB
HTML
<HTML>
|
|
<HEAD>
|
|
<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
|
|
<LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">
|
|
</HEAD>
|
|
<BODY BGCOLOR="#FFFFFF">
|
|
<CENTER>
|
|
<img src="princeton.gif"> <img src="ccrma.gif"> <img src="mcgill.gif"><P>
|
|
<a class="qindex" href="index.html">Home</a> <a class="qindex" href="information.html">Information</a> <a class="qindex" href="classes.html">Classes</a> <a class="qindex" href="download.html">Download</a> <a class="qindex" href="usage.html">Usage</a> <a class="qindex" href="maillist.html">Mail List</a> <a class="qindex" href="system.html">Requirements</a> <a class="qindex" href="links.html">Links</a> <a class="qindex" href="faq.html">FAQ</a> <a class="qindex" href="tutorial.html">Tutorial</a></CENTER>
|
|
<HR>
|
|
<!-- Generated by Doxygen 1.6.2 -->
|
|
<div class="navpath"><a class="el" href="dir_221deb9bdff892d63ed1e409450a60d2.html">include</a>
|
|
</div>
|
|
<div class="contents">
|
|
<h1>Effect.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_EFFECT_H</span>
|
|
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_EFFECT_H</span>
|
|
<a name="l00003"></a>00003 <span class="preprocessor"></span>
|
|
<a name="l00004"></a>00004 <span class="preprocessor">#include "Stk.h"</span>
|
|
<a name="l00005"></a>00005 <span class="preprocessor">#include <cmath></span>
|
|
<a name="l00006"></a>00006
|
|
<a name="l00007"></a>00007 <span class="keyword">namespace </span>stk {
|
|
<a name="l00008"></a>00008
|
|
<a name="l00009"></a>00009 <span class="comment">/***************************************************/</span>
|
|
<a name="l00019"></a>00019 <span class="comment">/***************************************************/</span>
|
|
<a name="l00020"></a>00020
|
|
<a name="l00021"></a><a class="code" href="classstk_1_1Effect.html">00021</a> <span class="keyword">class </span><a class="code" href="classstk_1_1Effect.html" title="STK abstract effects parent class.">Effect</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Stk.html" title="STK base class.">Stk</a>
|
|
<a name="l00022"></a>00022 {
|
|
<a name="l00023"></a>00023 <span class="keyword">public</span>:
|
|
<a name="l00025"></a><a class="code" href="classstk_1_1Effect.html#af6eb27819aed132dd1edf2ce9640893e">00025</a> <a class="code" href="classstk_1_1Effect.html#af6eb27819aed132dd1edf2ce9640893e" title="Class constructor.">Effect</a>( <span class="keywordtype">void</span> ) { lastFrame_.<a class="code" href="classstk_1_1StkFrames.html#a386e1b86cf48f7a8117313f9e41fc0fe" title="Resize self to represent the specified number of channels and frames.">resize</a>( 1, 1, 0.0 ); };
|
|
<a name="l00026"></a>00026
|
|
<a name="l00028"></a><a class="code" href="classstk_1_1Effect.html#abfdef9ce644c251607acfd183e3d7f7b">00028</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classstk_1_1Effect.html#abfdef9ce644c251607acfd183e3d7f7b" title="Return the number of output channels for the class.">channelsOut</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> lastFrame_.<a class="code" href="classstk_1_1StkFrames.html#aec7ef9c46675a24111aa6e2fda3ba870" title="Return the number of channels represented by the data.">channels</a>(); };
|
|
<a name="l00029"></a>00029
|
|
<a name="l00031"></a><a class="code" href="classstk_1_1Effect.html#a3d7e2b8942bf7adcc71dfc6dccbb7aa0">00031</a> <span class="keyword">const</span> <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a>& <a class="code" href="classstk_1_1Effect.html#a3d7e2b8942bf7adcc71dfc6dccbb7aa0" title="Return an StkFrames reference to the last output sample frame.">lastFrame</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> lastFrame_; };
|
|
<a name="l00032"></a>00032
|
|
<a name="l00034"></a>00034 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Effect.html#a0598128d1edc97729951310cc5df5171" title="Reset and clear all internal state.">clear</a>() = 0;
|
|
<a name="l00035"></a>00035
|
|
<a name="l00037"></a>00037 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Effect.html#ab4facbc9b317f18c139577e52fd69c3d" title="Set the mixture of input and &quot;effected&quot; levels in the output (0.0 = input...">setEffectMix</a>( StkFloat mix );
|
|
<a name="l00038"></a>00038
|
|
<a name="l00039"></a>00039 <span class="keyword">protected</span>:
|
|
<a name="l00040"></a>00040
|
|
<a name="l00041"></a>00041 <span class="comment">// Returns true if argument value is prime.</span>
|
|
<a name="l00042"></a>00042 <span class="keywordtype">bool</span> isPrime( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number );
|
|
<a name="l00043"></a>00043
|
|
<a name="l00044"></a>00044 <a class="code" href="classstk_1_1StkFrames.html" title="An STK class to handle vectorized audio data.">StkFrames</a> lastFrame_;
|
|
<a name="l00045"></a>00045 StkFloat effectMix_;
|
|
<a name="l00046"></a>00046
|
|
<a name="l00047"></a>00047 };
|
|
<a name="l00048"></a>00048
|
|
<a name="l00049"></a><a class="code" href="classstk_1_1Effect.html#ab4facbc9b317f18c139577e52fd69c3d">00049</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Effect.html#ab4facbc9b317f18c139577e52fd69c3d" title="Set the mixture of input and &quot;effected&quot; levels in the output (0.0 = input...">Effect :: setEffectMix</a>( StkFloat mix )
|
|
<a name="l00050"></a>00050 {
|
|
<a name="l00051"></a>00051 <span class="keywordflow">if</span> ( mix < 0.0 ) {
|
|
<a name="l00052"></a>00052 oStream_ << <span class="stringliteral">"Effect::setEffectMix: mix parameter is less than zero ... setting to zero!"</span>;
|
|
<a name="l00053"></a>00053 <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff" title="Static function for error reporting and handling using c-strings.">handleError</a>( StkError::WARNING );
|
|
<a name="l00054"></a>00054 effectMix_ = 0.0;
|
|
<a name="l00055"></a>00055 }
|
|
<a name="l00056"></a>00056 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mix > 1.0 ) {
|
|
<a name="l00057"></a>00057 oStream_ << <span class="stringliteral">"Effect::setEffectMix: mix parameter is greater than 1.0 ... setting to one!"</span>;
|
|
<a name="l00058"></a>00058 <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff" title="Static function for error reporting and handling using c-strings.">handleError</a>( StkError::WARNING );
|
|
<a name="l00059"></a>00059 effectMix_ = 1.0;
|
|
<a name="l00060"></a>00060 }
|
|
<a name="l00061"></a>00061 <span class="keywordflow">else</span>
|
|
<a name="l00062"></a>00062 effectMix_ = mix;
|
|
<a name="l00063"></a>00063 }
|
|
<a name="l00064"></a>00064
|
|
<a name="l00065"></a>00065 <span class="keyword">inline</span> <span class="keywordtype">bool</span> Effect :: isPrime( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> number )
|
|
<a name="l00066"></a>00066 {
|
|
<a name="l00067"></a>00067 <span class="keywordflow">if</span> ( number == 2 ) <span class="keywordflow">return</span> <span class="keyword">true</span>;
|
|
<a name="l00068"></a>00068 <span class="keywordflow">if</span> ( number & 1 ) {
|
|
<a name="l00069"></a>00069 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=3; i<(int)sqrt((<span class="keywordtype">double</span>)number)+1; i+=2 )
|
|
<a name="l00070"></a>00070 <span class="keywordflow">if</span> ( (number % i) == 0 ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
|
|
<a name="l00071"></a>00071 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// prime</span>
|
|
<a name="l00072"></a>00072 }
|
|
<a name="l00073"></a>00073 <span class="keywordflow">else</span> <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// even</span>
|
|
<a name="l00074"></a>00074 }
|
|
<a name="l00075"></a>00075
|
|
<a name="l00076"></a>00076 } <span class="comment">// stk namespace</span>
|
|
<a name="l00077"></a>00077
|
|
<a name="l00078"></a>00078 <span class="preprocessor">#endif</span>
|
|
<a name="l00079"></a>00079 <span class="preprocessor"></span>
|
|
</pre></div></div>
|
|
<HR>
|
|
|
|
<table>
|
|
<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
|
|
<tr><td>©1995-2012 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
|
|
</table>
|
|
|
|
</BODY>
|
|
</HTML>
|