arduino/arduino-audio-tools
1
0
Fork 0
mirror of https://github.com/pschatzmann/arduino-audio-tools.git synced 2024-09-21 10:27:27 +00:00
Code Issues Packages Projects Releases Wiki Activity
doxygen
arduino-audio-tools/classaudio__tools_1_1_audio_cmsis_f_f_t.html

388 lines
43 KiB
HTML
Raw Permalink Blame History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>arduino-audio-tools: AudioCmsisFFT Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">arduino-audio-tools
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="namespaceaudio__tools.html">audio_tools</a></li><li class="navelem"><a class="el" href="classaudio__tools_1_1_audio_cmsis_f_f_t.html">AudioCmsisFFT</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="#pro-attribs">Protected Attributes</a> &#124;
<a href="classaudio__tools_1_1_audio_cmsis_f_f_t-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">AudioCmsisFFT Class Reference<div class="ingroups"><a class="el" href="group__main.html">Arduino Audio Tools</a> &raquo; <a class="el" href="group__dsp.html">DSP</a> &raquo; <a class="el" href="group__fft.html">FFT</a> &raquo; <a class="el" href="group__fft-cmsis.html">CMSIS</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>AudioFFT for ARM processors that provided Cmsis DSP.
<a href="classaudio__tools_1_1_audio_cmsis_f_f_t.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_audio_cmsis_f_f_t_8h_source.html">AudioCmsisFFT.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for AudioCmsisFFT:</div>
<div class="dyncontent">
<div class="center">
<img src="classaudio__tools_1_1_audio_cmsis_f_f_t.png" usemap="#AudioCmsisFFT_map" alt=""/>
<map id="AudioCmsisFFT_map" name="AudioCmsisFFT_map">
<area href="classaudio__tools_1_1_audio_f_f_t_base.html" title="Executes FFT using audio data. The Driver which is passed in the constructor selects a specifc FFT im..." alt="AudioFFTBase" shape="rect" coords="120,112,230,136"/>
<area href="classaudio__tools_1_1_audio_output.html" title="Abstract Audio Ouptut class." alt="AudioOutput" shape="rect" coords="120,56,230,80"/>
<area href="classaudio__tools_1_1_print.html" alt="Print" shape="rect" coords="0,0,110,24"/>
<area href="classaudio__tools_1_1_audio_info_support.html" title="Supports changes to the sampling rate, bits and channels." alt="AudioInfoSupport" shape="rect" coords="120,0,230,24"/>
<area href="classaudio__tools_1_1_audio_info_source.html" title="Supports the subscription to audio change notifications." alt="AudioInfoSource" shape="rect" coords="240,0,350,24"/>
</map>
</div></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a727a24459787e1eeeb7a37ba888394a6"><td class="memItemLeft" align="right" valign="top"><a id="a727a24459787e1eeeb7a37ba888394a6"></a>
virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a727a24459787e1eeeb7a37ba888394a6">addNotifyAudioChange</a> (<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> &amp;bi)</td></tr>
<tr class="memdesc:a727a24459787e1eeeb7a37ba888394a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds target to be notified about audio changes. <br /></td></tr>
<tr class="separator:a727a24459787e1eeeb7a37ba888394a6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a66ae48c63153a8973ad0b5b2d95f86a1"><td class="memItemLeft" align="right" valign="top"><a id="a66ae48c63153a8973ad0b5b2d95f86a1"></a>
float *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_cmsis_f_f_t.html#a66ae48c63153a8973ad0b5b2d95f86a1">array</a> ()</td></tr>
<tr class="memdesc:a66ae48c63153a8973ad0b5b2d95f86a1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Provides the result array returned by CMSIS FFT. <br /></td></tr>
<tr class="separator:a66ae48c63153a8973ad0b5b2d95f86a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aececda97cff151859a8695d30896dd20"><td class="memItemLeft" align="right" valign="top"><a id="aececda97cff151859a8695d30896dd20"></a>
virtual <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_output.html#aececda97cff151859a8695d30896dd20">audioInfo</a> () override</td></tr>
<tr class="memdesc:aececda97cff151859a8695d30896dd20"><td class="mdescLeft">&#160;</td><td class="mdescRight">provides the actual input <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> <br /></td></tr>
<tr class="separator:aececda97cff151859a8695d30896dd20"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1c77cb3dbe910c765ea439d103bdcbb9"><td class="memItemLeft" align="right" valign="top"><a id="a1c77cb3dbe910c765ea439d103bdcbb9"></a>
virtual <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_support.html#a1c77cb3dbe910c765ea439d103bdcbb9">audioInfoOut</a> ()</td></tr>
<tr class="memdesc:a1c77cb3dbe910c765ea439d103bdcbb9"><td class="mdescLeft">&#160;</td><td class="mdescRight">provides the actual output <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a>: this is usually the same as <a class="el" href="classaudio__tools_1_1_audio_info_support.html#ae0d5f156b0564368220fa8d328db3880" title="provides the actual input AudioInfo">audioInfo()</a> unless we use a transforming stream <br /></td></tr>
<tr class="separator:a1c77cb3dbe910c765ea439d103bdcbb9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a87b51853b7bf1bc90d9efa9f3b8d4fea"><td class="memItemLeft" align="right" valign="top"><a id="a87b51853b7bf1bc90d9efa9f3b8d4fea"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a87b51853b7bf1bc90d9efa9f3b8d4fea">availableForWrite</a> () override</td></tr>
<tr class="memdesc:a87b51853b7bf1bc90d9efa9f3b8d4fea"><td class="mdescLeft">&#160;</td><td class="mdescRight">We try to fill the buffer at once. <br /></td></tr>
<tr class="separator:a87b51853b7bf1bc90d9efa9f3b8d4fea"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acba365cc28eb702040c382646cfb0a7a"><td class="memItemLeft" align="right" valign="top"><a id="acba365cc28eb702040c382646cfb0a7a"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#acba365cc28eb702040c382646cfb0a7a">begin</a> () override</td></tr>
<tr class="memdesc:acba365cc28eb702040c382646cfb0a7a"><td class="mdescLeft">&#160;</td><td class="mdescRight">starts the processing <br /></td></tr>
<tr class="separator:acba365cc28eb702040c382646cfb0a7a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab0ae7809bb6be9afc89dee67cdc72db4"><td class="memItemLeft" align="right" valign="top"><a id="ab0ae7809bb6be9afc89dee67cdc72db4"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ab0ae7809bb6be9afc89dee67cdc72db4">begin</a> (<a class="el" href="structaudio__tools_1_1_audio_f_f_t_config.html">AudioFFTConfig</a> info)</td></tr>
<tr class="memdesc:ab0ae7809bb6be9afc89dee67cdc72db4"><td class="mdescLeft">&#160;</td><td class="mdescRight">starts the processing <br /></td></tr>
<tr class="separator:ab0ae7809bb6be9afc89dee67cdc72db4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a419d5bfacb0a1e5bf46b5fbd8d94f446"><td class="memItemLeft" align="right" valign="top"><a id="a419d5bfacb0a1e5bf46b5fbd8d94f446"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info)</td></tr>
<tr class="separator:a419d5bfacb0a1e5bf46b5fbd8d94f446"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:affd15675a5e391c34cccefa7181354bb"><td class="memItemLeft" align="right" valign="top"><a id="affd15675a5e391c34cccefa7181354bb"></a>
virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#affd15675a5e391c34cccefa7181354bb">clearNotifyAudioChange</a> ()</td></tr>
<tr class="memdesc:affd15675a5e391c34cccefa7181354bb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deletes all change notify subscriptions. <br /></td></tr>
<tr class="separator:affd15675a5e391c34cccefa7181354bb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ada9a4d4d794a8fbde0e18bec769655ca"><td class="memItemLeft" align="right" valign="top"><a id="ada9a4d4d794a8fbde0e18bec769655ca"></a>
<a class="el" href="structaudio__tools_1_1_audio_f_f_t_config.html">AudioFFTConfig</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ada9a4d4d794a8fbde0e18bec769655ca">config</a> ()</td></tr>
<tr class="memdesc:ada9a4d4d794a8fbde0e18bec769655ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Provides the actual configuration. <br /></td></tr>
<tr class="separator:ada9a4d4d794a8fbde0e18bec769655ca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9a3bb7e3a6034fc0dd9249499701aff"><td class="memItemLeft" align="right" valign="top"><a id="ae9a3bb7e3a6034fc0dd9249499701aff"></a>
<a class="el" href="structaudio__tools_1_1_audio_f_f_t_config.html">AudioFFTConfig</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ae9a3bb7e3a6034fc0dd9249499701aff">defaultConfig</a> ()</td></tr>
<tr class="memdesc:ae9a3bb7e3a6034fc0dd9249499701aff"><td class="mdescLeft">&#160;</td><td class="mdescRight">Provides the default configuration. <br /></td></tr>
<tr class="separator:ae9a3bb7e3a6034fc0dd9249499701aff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad360e5c2be36d28d74715e70f31a9f98"><td class="memItemLeft" align="right" valign="top"><a id="ad360e5c2be36d28d74715e70f31a9f98"></a>
<a class="el" href="classaudio__tools_1_1_f_f_t_driver.html">FFTDriver</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ad360e5c2be36d28d74715e70f31a9f98">driver</a> ()</td></tr>
<tr class="memdesc:ad360e5c2be36d28d74715e70f31a9f98"><td class="mdescLeft">&#160;</td><td class="mdescRight">provides access to the <a class="el" href="classaudio__tools_1_1_f_f_t_driver.html" title="Abstract Class which defines the basic FFT functionality.">FFTDriver</a> which implements the basic FFT functionality <br /></td></tr>
<tr class="separator:ad360e5c2be36d28d74715e70f31a9f98"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a45cef169b9feea9c7ce70fc2ebb9d9af"><td class="memItemLeft" align="right" valign="top"><a id="a45cef169b9feea9c7ce70fc2ebb9d9af"></a>
<a class="el" href="classaudio__tools_1_1_f_f_t_driver_cmsis_f_f_t.html">FFTDriverCmsisFFT</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>driverEx</b> ()</td></tr>
<tr class="separator:a45cef169b9feea9c7ce70fc2ebb9d9af"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a64e9fa75beda50a9e8400ee0d4e61984"><td class="memItemLeft" align="right" valign="top"><a id="a64e9fa75beda50a9e8400ee0d4e61984"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a64e9fa75beda50a9e8400ee0d4e61984">end</a> () override</td></tr>
<tr class="memdesc:a64e9fa75beda50a9e8400ee0d4e61984"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release the allocated memory. <br /></td></tr>
<tr class="separator:a64e9fa75beda50a9e8400ee0d4e61984"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad3aed50bc3b4459454ccb8c64f5ced5a"><td class="memItemLeft" align="right" valign="top"><a id="ad3aed50bc3b4459454ccb8c64f5ced5a"></a>
virtual void&#160;</td><td class="memItemRight" valign="bottom"><b>flush</b> ()</td></tr>
<tr class="separator:ad3aed50bc3b4459454ccb8c64f5ced5a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5f1f1bf50599707ea0172e5f65fc8dc"><td class="memItemLeft" align="right" valign="top"><a id="ab5f1f1bf50599707ea0172e5f65fc8dc"></a>
float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ab5f1f1bf50599707ea0172e5f65fc8dc">frequency</a> (int bin)</td></tr>
<tr class="memdesc:ab5f1f1bf50599707ea0172e5f65fc8dc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Determines the frequency of the indicated bin. <br /></td></tr>
<tr class="separator:ab5f1f1bf50599707ea0172e5f65fc8dc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab4ce80be700d9c58e0b07ff0bf3d56d2"><td class="memItemLeft" align="right" valign="top"><a id="ab4ce80be700d9c58e0b07ff0bf3d56d2"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ab4ce80be700d9c58e0b07ff0bf3d56d2">getBin</a> (int pos, <a class="el" href="structaudio__tools_1_1_f_f_t_bin.html">FFTBin</a> &amp;bin)</td></tr>
<tr class="memdesc:ab4ce80be700d9c58e0b07ff0bf3d56d2"><td class="mdescLeft">&#160;</td><td class="mdescRight">gets the value of a bin <br /></td></tr>
<tr class="separator:ab4ce80be700d9c58e0b07ff0bf3d56d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a33c6511baf83796cbba956c97935ae39"><td class="memItemLeft" align="right" valign="top"><a id="a33c6511baf83796cbba956c97935ae39"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_output.html#a33c6511baf83796cbba956c97935ae39">isDeletable</a> ()</td></tr>
<tr class="memdesc:a33c6511baf83796cbba956c97935ae39"><td class="mdescLeft">&#160;</td><td class="mdescRight">If true we need to release the related memory in the destructor. <br /></td></tr>
<tr class="separator:a33c6511baf83796cbba956c97935ae39"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a19a3a824518491832634e8de34a99845"><td class="memItemLeft" align="right" valign="top"><a id="a19a3a824518491832634e8de34a99845"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a19a3a824518491832634e8de34a99845">isInverseFFT</a> ()</td></tr>
<tr class="memdesc:a19a3a824518491832634e8de34a99845"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if we need to calculate the inverse FFT. <br /></td></tr>
<tr class="separator:a19a3a824518491832634e8de34a99845"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="memItemLeft" align="right" valign="top"><a id="a475bc9908ea8a1d67e5cc1c1f67a71b2"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a475bc9908ea8a1d67e5cc1c1f67a71b2">isNotifyActive</a> ()</td></tr>
<tr class="memdesc:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks if the automatic <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> update is active. <br /></td></tr>
<tr class="separator:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3d0f4ae571310c6ed081daa3985ecb47"><td class="memItemLeft" align="right" valign="top"><a id="a3d0f4ae571310c6ed081daa3985ecb47"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a3d0f4ae571310c6ed081daa3985ecb47">length</a> ()</td></tr>
<tr class="memdesc:a3d0f4ae571310c6ed081daa3985ecb47"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of samples. <br /></td></tr>
<tr class="separator:a3d0f4ae571310c6ed081daa3985ecb47"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a163b25ad43ca3bb5d713e7bf22ebd71b"><td class="memItemLeft" align="right" valign="top"><a id="a163b25ad43ca3bb5d713e7bf22ebd71b"></a>
float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a163b25ad43ca3bb5d713e7bf22ebd71b">magnitude</a> (int bin)</td></tr>
<tr class="memdesc:a163b25ad43ca3bb5d713e7bf22ebd71b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the magnitude of the fft result to determine the max value (bin is 0 to <a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#af4b57d21919c42d55af03391f91a1c08" title="The number of bins used by the FFT which are relevant for the result.">size()</a>) <br /></td></tr>
<tr class="separator:a163b25ad43ca3bb5d713e7bf22ebd71b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad7538d86da26e8a81e4cb4ab38df9a5f"><td class="memItemLeft" align="right" valign="top"><a id="ad7538d86da26e8a81e4cb4ab38df9a5f"></a>
float&#160;</td><td class="memItemRight" valign="bottom"><b>magnitudeFast</b> (int bin)</td></tr>
<tr class="separator:ad7538d86da26e8a81e4cb4ab38df9a5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1eb3962fcf86a133667e8a29448374bb"><td class="memItemLeft" align="right" valign="top"><a id="a1eb3962fcf86a133667e8a29448374bb"></a>
float *&#160;</td><td class="memItemRight" valign="bottom"><b>magnitudes</b> ()</td></tr>
<tr class="separator:a1eb3962fcf86a133667e8a29448374bb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afc19d575021bc522bcf0d3911245c5a1"><td class="memItemLeft" align="right" valign="top"><a id="afc19d575021bc522bcf0d3911245c5a1"></a>
float *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#afc19d575021bc522bcf0d3911245c5a1">magnitudesFast</a> ()</td></tr>
<tr class="memdesc:afc19d575021bc522bcf0d3911245c5a1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Provides the magnitudes w/o calling the square root function as array of size <a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#af4b57d21919c42d55af03391f91a1c08" title="The number of bins used by the FFT which are relevant for the result.">size()</a>. Please note that this method is allocating additinal memory! <br /></td></tr>
<tr class="separator:afc19d575021bc522bcf0d3911245c5a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9b3baad8c612d81b96e46f84d7e97580"><td class="memItemLeft" align="right" valign="top"><a id="a9b3baad8c612d81b96e46f84d7e97580"></a>
&#160;</td><td class="memItemRight" valign="bottom"><b>operator bool</b> ()</td></tr>
<tr class="separator:a9b3baad8c612d81b96e46f84d7e97580"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="memItemLeft" align="right" valign="top"><a id="aa5b1cdb06807ff2dc37acbaff63410b9"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#aa5b1cdb06807ff2dc37acbaff63410b9">removeNotifyAudioChange</a> (<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> &amp;bi)</td></tr>
<tr class="memdesc:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Removes a target in order not to be notified about audio changes. <br /></td></tr>
<tr class="separator:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad20897c5c8bd47f5d4005989bead0e55"><td class="memItemLeft" align="right" valign="top"><a id="ad20897c5c8bd47f5d4005989bead0e55"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ad20897c5c8bd47f5d4005989bead0e55">reset</a> ()</td></tr>
<tr class="memdesc:ad20897c5c8bd47f5d4005989bead0e55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Just resets the current_pos e.g. to start a new cycle. <br /></td></tr>
<tr class="separator:ad20897c5c8bd47f5d4005989bead0e55"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5b6c3f019b5eeb4dd866fc0e755750e"><td class="memItemLeft" align="right" valign="top"><a id="ab5b6c3f019b5eeb4dd866fc0e755750e"></a>
<a class="el" href="structaudio__tools_1_1_audio_f_f_t_result.html">AudioFFTResult</a>&#160;</td><td class="memItemRight" valign="bottom"><b>result</b> ()</td></tr>
<tr class="separator:ab5b6c3f019b5eeb4dd866fc0e755750e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeb84cae16a79c3ee9a64aa0f7484e3fa"><td class="memTemplParams" colspan="2"><a id="aeb84cae16a79c3ee9a64aa0f7484e3fa"></a>
template&lt;int N&gt; </td></tr>
<tr class="memitem:aeb84cae16a79c3ee9a64aa0f7484e3fa"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#aeb84cae16a79c3ee9a64aa0f7484e3fa">resultArray</a> (<a class="el" href="structaudio__tools_1_1_audio_f_f_t_result.html">AudioFFTResult</a>(&amp;result)[N])</td></tr>
<tr class="memdesc:aeb84cae16a79c3ee9a64aa0f7484e3fa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Determines the N biggest result values. <br /></td></tr>
<tr class="separator:aeb84cae16a79c3ee9a64aa0f7484e3fa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a268629b3dc726c2fe5dbc1192fdede5f"><td class="memItemLeft" align="right" valign="top"><a id="a268629b3dc726c2fe5dbc1192fdede5f"></a>
unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a268629b3dc726c2fe5dbc1192fdede5f">resultTime</a> ()</td></tr>
<tr class="memdesc:a268629b3dc726c2fe5dbc1192fdede5f"><td class="mdescLeft">&#160;</td><td class="mdescRight">time after the fft: time when the last result was provided - you can poll this to check if we have a new result <br /></td></tr>
<tr class="separator:a268629b3dc726c2fe5dbc1192fdede5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0773f84b14a3adbec0eb8ba47b2b4cb7"><td class="memItemLeft" align="right" valign="top"><a id="a0773f84b14a3adbec0eb8ba47b2b4cb7"></a>
unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a0773f84b14a3adbec0eb8ba47b2b4cb7">resultTimeBegin</a> ()</td></tr>
<tr class="memdesc:a0773f84b14a3adbec0eb8ba47b2b4cb7"><td class="mdescLeft">&#160;</td><td class="mdescRight">time before the fft <br /></td></tr>
<tr class="separator:a0773f84b14a3adbec0eb8ba47b2b4cb7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad1fdd56031f1195cb221ab855fb6a102"><td class="memItemLeft" align="right" valign="top"><a id="ad1fdd56031f1195cb221ab855fb6a102"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ad1fdd56031f1195cb221ab855fb6a102">setAudioInfo</a> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info) override</td></tr>
<tr class="memdesc:ad1fdd56031f1195cb221ab855fb6a102"><td class="mdescLeft">&#160;</td><td class="mdescRight">Notify change of audio information. <br /></td></tr>
<tr class="separator:ad1fdd56031f1195cb221ab855fb6a102"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a862fdfbd622c3d5aaab78566aa8ed1c0"><td class="memItemLeft" align="right" valign="top"><a id="a862fdfbd622c3d5aaab78566aa8ed1c0"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a862fdfbd622c3d5aaab78566aa8ed1c0">setBin</a> (int idx, float real, float img)</td></tr>
<tr class="memdesc:a862fdfbd622c3d5aaab78566aa8ed1c0"><td class="mdescLeft">&#160;</td><td class="mdescRight">sets the value of a bin <br /></td></tr>
<tr class="separator:a862fdfbd622c3d5aaab78566aa8ed1c0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abe7e71c33e3ea77d7afd79a0d271994a"><td class="memItemLeft" align="right" valign="top"><a id="abe7e71c33e3ea77d7afd79a0d271994a"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#abe7e71c33e3ea77d7afd79a0d271994a">setBin</a> (int pos, <a class="el" href="structaudio__tools_1_1_f_f_t_bin.html">FFTBin</a> &amp;bin)</td></tr>
<tr class="memdesc:abe7e71c33e3ea77d7afd79a0d271994a"><td class="mdescLeft">&#160;</td><td class="mdescRight">sets the value of a bin <br /></td></tr>
<tr class="separator:abe7e71c33e3ea77d7afd79a0d271994a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a909f118906f9cf7024baae224dcd90a7"><td class="memItemLeft" align="right" valign="top"><a id="a909f118906f9cf7024baae224dcd90a7"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a909f118906f9cf7024baae224dcd90a7">setNotifyActive</a> (bool flag)</td></tr>
<tr class="memdesc:a909f118906f9cf7024baae224dcd90a7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deactivate/Reactivate automatic <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> updates: (default is active) <br /></td></tr>
<tr class="separator:a909f118906f9cf7024baae224dcd90a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae1220e7e3542f5a84c21fe2f7cef194c"><td class="memItemLeft" align="right" valign="top"><a id="ae1220e7e3542f5a84c21fe2f7cef194c"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ae1220e7e3542f5a84c21fe2f7cef194c">setOutput</a> (<a class="el" href="classaudio__tools_1_1_print.html">Print</a> &amp;out)</td></tr>
<tr class="memdesc:ae1220e7e3542f5a84c21fe2f7cef194c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Define final output for reverse ffft. <br /></td></tr>
<tr class="separator:ae1220e7e3542f5a84c21fe2f7cef194c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af4b57d21919c42d55af03391f91a1c08"><td class="memItemLeft" align="right" valign="top"><a id="af4b57d21919c42d55af03391f91a1c08"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#af4b57d21919c42d55af03391f91a1c08">size</a> ()</td></tr>
<tr class="memdesc:af4b57d21919c42d55af03391f91a1c08"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of bins used by the FFT which are relevant for the result. <br /></td></tr>
<tr class="separator:af4b57d21919c42d55af03391f91a1c08"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7597ef706dd1aa590903ce9e095db20a"><td class="memItemLeft" align="right" valign="top"><a id="a7597ef706dd1aa590903ce9e095db20a"></a>
size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#a7597ef706dd1aa590903ce9e095db20a">write</a> (const uint8_t *data, size_t len) override</td></tr>
<tr class="memdesc:a7597ef706dd1aa590903ce9e095db20a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Provide the audio data as FFT input. <br /></td></tr>
<tr class="separator:a7597ef706dd1aa590903ce9e095db20a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adffba128cba62b029746648f6946945c"><td class="memItemLeft" align="right" valign="top"><a id="adffba128cba62b029746648f6946945c"></a>
virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><b>write</b> (uint8_t ch) override</td></tr>
<tr class="separator:adffba128cba62b029746648f6946945c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad89418aeb557f65a8f1a0aed755633b1"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_output.html#ad89418aeb557f65a8f1a0aed755633b1">writeSilence</a> (size_t len)</td></tr>
<tr class="separator:ad89418aeb557f65a8f1a0aed755633b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a86b5d0519c6b023d6073e573682d4629"><td class="memItemLeft" align="right" valign="top"><a id="a86b5d0519c6b023d6073e573682d4629"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>bytesPerSample</b> ()</td></tr>
<tr class="separator:a86b5d0519c6b023d6073e573682d4629"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3e7b0c899a6b3a34b79f1a531db86d1f"><td class="memTemplParams" colspan="2"><a id="a3e7b0c899a6b3a34b79f1a531db86d1f"></a>
template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3e7b0c899a6b3a34b79f1a531db86d1f"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><b>fft</b> ()</td></tr>
<tr class="separator:a3e7b0c899a6b3a34b79f1a531db86d1f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac9fb623e1f6da666284dbdf4895f0351"><td class="memTemplParams" colspan="2"><a id="ac9fb623e1f6da666284dbdf4895f0351"></a>
template&lt;int N&gt; </td></tr>
<tr class="memitem:ac9fb623e1f6da666284dbdf4895f0351"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#ac9fb623e1f6da666284dbdf4895f0351">insertSorted</a> (<a class="el" href="structaudio__tools_1_1_audio_f_f_t_result.html">AudioFFTResult</a>(&amp;result)[N], <a class="el" href="structaudio__tools_1_1_audio_f_f_t_result.html">AudioFFTResult</a> tmp)</td></tr>
<tr class="memdesc:ac9fb623e1f6da666284dbdf4895f0351"><td class="mdescLeft">&#160;</td><td class="mdescRight">make sure that we do not reuse already found results <br /></td></tr>
<tr class="separator:ac9fb623e1f6da666284dbdf4895f0351"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a76b0b618a0bb9637448c2154cb32e4b8"><td class="memItemLeft" align="right" valign="top"><a id="a76b0b618a0bb9637448c2154cb32e4b8"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>isPowerOfTwo</b> (uint16_t x)</td></tr>
<tr class="separator:a76b0b618a0bb9637448c2154cb32e4b8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6a9a665a387a8c4fbf7fed14bbbfc093"><td class="memItemLeft" align="right" valign="top"><a id="a6a9a665a387a8c4fbf7fed14bbbfc093"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>notifyAudioChange</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info)</td></tr>
<tr class="separator:a6a9a665a387a8c4fbf7fed14bbbfc093"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa226a53d9260ed5d8a85d46f1aa1649f"><td class="memTemplParams" colspan="2"><a id="aa226a53d9260ed5d8a85d46f1aa1649f"></a>
template&lt;typename T &gt; </td></tr>
<tr class="memitem:aa226a53d9260ed5d8a85d46f1aa1649f"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><b>processSamples</b> (const void *data, size_t samples)</td></tr>
<tr class="separator:aa226a53d9260ed5d8a85d46f1aa1649f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abb7fbd238c44301e0c8897bedb9fce58"><td class="memItemLeft" align="right" valign="top"><a id="abb7fbd238c44301e0c8897bedb9fce58"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_f_f_t_base.html#abb7fbd238c44301e0c8897bedb9fce58">rfft</a> ()</td></tr>
<tr class="memdesc:abb7fbd238c44301e0c8897bedb9fce58"><td class="mdescLeft">&#160;</td><td class="mdescRight">reverse fft if necessary <br /></td></tr>
<tr class="separator:abb7fbd238c44301e0c8897bedb9fce58"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3c29e41ddedb5077201558e6136d3a2e"><td class="memTemplParams" colspan="2"><a id="a3c29e41ddedb5077201558e6136d3a2e"></a>
template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3c29e41ddedb5077201558e6136d3a2e"><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><b>windowedSample</b> (T sample)</td></tr>
<tr class="separator:a3c29e41ddedb5077201558e6136d3a2e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8aaaec6b492e7664bdc3d95ec128f88b"><td class="memItemLeft" align="right" valign="top"><a id="a8aaaec6b492e7664bdc3d95ec128f88b"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>writeStrideBuffer</b> (uint8_t *buffer, size_t len)</td></tr>
<tr class="separator:a8aaaec6b492e7664bdc3d95ec128f88b"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:aa66a35e5edf58ce00047afcd1d4f455e"><td class="memItemLeft" align="right" valign="top"><a id="aa66a35e5edf58ce00047afcd1d4f455e"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>_timeout</b> = 10</td></tr>
<tr class="separator:aa66a35e5edf58ce00047afcd1d4f455e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af9ae7c1aaa5286b360839f764f3ae4a3"><td class="memItemLeft" align="right" valign="top"><a id="af9ae7c1aaa5286b360839f764f3ae4a3"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>bins</b> = 0</td></tr>
<tr class="separator:af9ae7c1aaa5286b360839f764f3ae4a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac5a018de090b3da1a085c440a0d5b28c"><td class="memItemLeft" align="right" valign="top"><a id="ac5a018de090b3da1a085c440a0d5b28c"></a>
<a class="el" href="structaudio__tools_1_1_audio_f_f_t_config.html">AudioFFTConfig</a>&#160;</td><td class="memItemRight" valign="bottom"><b>cfg</b></td></tr>
<tr class="separator:ac5a018de090b3da1a085c440a0d5b28c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab6d8df8ffd0888ed97f112eac04fb2c0"><td class="memItemLeft" align="right" valign="top"><a id="ab6d8df8ffd0888ed97f112eac04fb2c0"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>current_pos</b> = 0</td></tr>
<tr class="separator:ab6d8df8ffd0888ed97f112eac04fb2c0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a407c3efba665d276a38229f905bef352"><td class="memItemLeft" align="right" valign="top"><a id="a407c3efba665d276a38229f905bef352"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>is_active</b> = false</td></tr>
<tr class="separator:a407c3efba665d276a38229f905bef352"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeaba7fcedcb403536c79ee7f04de17fc"><td class="memItemLeft" align="right" valign="top"><a id="aeaba7fcedcb403536c79ee7f04de17fc"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>is_notify_active</b> = true</td></tr>
<tr class="separator:aeaba7fcedcb403536c79ee7f04de17fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad35c4e2ef458c36e8d36676958cc9cd3"><td class="memItemLeft" align="right" valign="top"><a id="ad35c4e2ef458c36e8d36676958cc9cd3"></a>
<a class="el" href="classaudio__tools_1_1_vector.html">Vector</a>&lt; <a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> * &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>notify_vector</b></td></tr>
<tr class="separator:ad35c4e2ef458c36e8d36676958cc9cd3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4bb5a13140a371fcd3a4aacf3685e0c9"><td class="memItemLeft" align="right" valign="top"><a id="a4bb5a13140a371fcd3a4aacf3685e0c9"></a>
<a class="el" href="classaudio__tools_1_1_f_f_t_driver.html">FFTDriver</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>p_driver</b> =nullptr</td></tr>
<tr class="separator:a4bb5a13140a371fcd3a4aacf3685e0c9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6689423b626fd5b81b65a0fe3eafbc88"><td class="memItemLeft" align="right" valign="top"><a id="a6689423b626fd5b81b65a0fe3eafbc88"></a>
float *&#160;</td><td class="memItemRight" valign="bottom"><b>p_magnitudes</b> = nullptr</td></tr>
<tr class="separator:a6689423b626fd5b81b65a0fe3eafbc88"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa42c30e02e51ec7cc38ea4ab215e0db4"><td class="memItemLeft" align="right" valign="top"><a id="aa42c30e02e51ec7cc38ea4ab215e0db4"></a>
<a class="el" href="classaudio__tools_1_1_print.html">Print</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>p_out</b> = nullptr</td></tr>
<tr class="separator:aa42c30e02e51ec7cc38ea4ab215e0db4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a64c11327f5ba983c2401faa236254574"><td class="memItemLeft" align="right" valign="top"><a id="a64c11327f5ba983c2401faa236254574"></a>
float&#160;</td><td class="memItemRight" valign="bottom"><b>rfft_max</b> = 0</td></tr>
<tr class="separator:a64c11327f5ba983c2401faa236254574"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac95a22427a0b834ce5aa7e4fd2416d28"><td class="memItemLeft" align="right" valign="top"><a id="ac95a22427a0b834ce5aa7e4fd2416d28"></a>
<a class="el" href="classaudio__tools_1_1_ring_buffer.html">RingBuffer</a>&lt; uint8_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>stride_buffer</b> {0}</td></tr>
<tr class="separator:ac95a22427a0b834ce5aa7e4fd2416d28"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acba7776dcc1861edfe0e9c5736de4df8"><td class="memItemLeft" align="right" valign="top"><a id="acba7776dcc1861edfe0e9c5736de4df8"></a>
unsigned long&#160;</td><td class="memItemRight" valign="bottom"><b>timestamp</b> =0l</td></tr>
<tr class="separator:acba7776dcc1861edfe0e9c5736de4df8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a07db0c6e4d4e581c77df18efc486cb14"><td class="memItemLeft" align="right" valign="top"><a id="a07db0c6e4d4e581c77df18efc486cb14"></a>
unsigned long&#160;</td><td class="memItemRight" valign="bottom"><b>timestamp_begin</b> =0l</td></tr>
<tr class="separator:a07db0c6e4d4e581c77df18efc486cb14"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a01124ad53939abba13387b01cbf6b1c0"><td class="memItemLeft" align="right" valign="top"><a id="a01124ad53939abba13387b01cbf6b1c0"></a>
<a class="el" href="classaudio__tools_1_1_single_buffer.html">SingleBuffer</a>&lt; uint8_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>tmp</b> {MAX_SINGLE_CHARS}</td></tr>
<tr class="separator:a01124ad53939abba13387b01cbf6b1c0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5c8bfed099f70e8b41e7ddcd5578fedb"><td class="memItemLeft" align="right" valign="top"><a id="a5c8bfed099f70e8b41e7ddcd5578fedb"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>tmpPos</b> = 0</td></tr>
<tr class="separator:a5c8bfed099f70e8b41e7ddcd5578fedb"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>AudioFFT for ARM processors that provided Cmsis DSP. </p>
<dl class="section author"><dt>Author</dt><dd>Phil Schatzmann </dd></dl>
<dl class="section copyright"><dt>Copyright</dt><dd>GPLv3 </dd></dl>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ad89418aeb557f65a8f1a0aed755633b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad89418aeb557f65a8f1a0aed755633b1">&#9670;&nbsp;</a></span>writeSilence()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual void writeSilence </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>len</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Writes n 0 values (= silence) </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">len</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>src/AudioLibs/<a class="el" href="_audio_cmsis_f_f_t_8h_source.html">AudioCmsisFFT.h</a></li>
</ul>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
</small></address>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink