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diff --git a/Graphic_Equalizer_v1.0/doc/html/fft_8hch.html b/Graphic_Equalizer_v1.0/doc/html/fft_8hch.html new file mode 100644 index 0000000..850be00 --- /dev/null +++ b/Graphic_Equalizer_v1.0/doc/html/fft_8hch.html @@ -0,0 +1,261 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> +<title>Graphic Equalizer 2: C:/Project Marcel & Oliver/Graphic_Equalizer/include/fft.hch File Reference</title> +<link href="doxygen.css" rel="stylesheet" type="text/css"> +</head><body> +<!-- Generated by Doxygen 1.3.9.1 --> +<div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div> +<div class="nav"> +<a class="el" href="dir_000000.html">C:</a> / <a class="el" href="dir_000001.html">Project Marcel & Oliver</a> / <a class="el" href="dir_000002.html">Graphic_Equalizer</a> / <a class="el" href="dir_000003.html">include</a></div> +<h1>fft.hch File Reference</h1> +<p> +This graph shows which files directly or indirectly include this file:<p><center><img src="fft_8hch__dep__incl.png" border="0" usemap="#fft.hchdep_map" alt="Included by dependency graph"></center> +<map name="fft.hchdep_map"> +<area href="fft_8hcc.html" shape="rect" coords="7,7,66,34" alt=""> +<area href="main_8hcc.html" shape="rect" coords="90,7,165,34" alt=""> +</map> + +<p> +<a href="fft_8hch-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"> +<tr><td></td></tr> +<tr><td colspan="2"><br><h2>Defines</h2></td></tr> +<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a0">NUMBER_OF_COLUMNS</a> 8</td></tr> + +<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a1">NUMBER_OF_POINTS</a> (1<<NUMBER_OF_COLUMNS)</td></tr> + +<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a2">NUMBER_OF_FREQUENCIES</a> (NUMBER_OF_POINTS>>1)</td></tr> + +<tr><td colspan="2"><br><h2>Functions</h2></td></tr> +<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a3">perform_fft</a> (signed 16 *pcm_audio)</td></tr> + +<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a4">perform_ifft</a> (signed 16 *modified_audio, unsigned 6 *ifft_info)</td></tr> + +<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="fft_8hch.html#a5">equalize_audio</a> (<a class="el" href="structaudiodata__t.html">audiodata_t</a> *audiodata)</td></tr> + +<tr><td class="mdescLeft"> </td><td class="mdescRight">This routine equalizes the frequencies derived by the FFT calculation, according to the settings of the equalizer bars. <a href="#a5"></a><br></td></tr> +</table> +<hr><h2>Define Documentation</h2> +<a class="anchor" name="a0" doxytag="fft.hch::NUMBER_OF_COLUMNS"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">#define NUMBER_OF_COLUMNS 8 </td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="fft_8hch-source.html#l00001">1</a> of file <a class="el" href="fft_8hch-source.html">fft.hch</a>. +<p> +Referenced by <a class="el" href="fft_8hcc-source.html#l00104">calculate_fft()</a>. </td> + </tr> +</table> +<a class="anchor" name="a1" doxytag="fft.hch::NUMBER_OF_POINTS"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">#define NUMBER_OF_POINTS (1<<NUMBER_OF_COLUMNS) </td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="fft_8hch-source.html#l00002">2</a> of file <a class="el" href="fft_8hch-source.html">fft.hch</a>. +<p> +Referenced by <a class="el" href="fft_8hcc-source.html#l00104">calculate_fft()</a>, and <a class="el" href="fft_8hcc-source.html#l00398">equalize_audio()</a>. </td> + </tr> +</table> +<a class="anchor" name="a2" doxytag="fft.hch::NUMBER_OF_FREQUENCIES"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">#define NUMBER_OF_FREQUENCIES (NUMBER_OF_POINTS>>1) </td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="fft_8hch-source.html#l00003">3</a> of file <a class="el" href="fft_8hch-source.html">fft.hch</a>. </td> + </tr> +</table> +<hr><h2>Function Documentation</h2> +<a class="anchor" name="a3" doxytag="fft.hch::perform_fft"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">void perform_fft </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">signed 16 * </td> + <td class="mdname1" valign="top" nowrap> <em>pcm_audio</em> </td> + <td class="md" valign="top"> ) </td> + <td class="md" nowrap></td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="fft_8hcc-source.html#l00259">259</a> of file <a class="el" href="fft_8hcc-source.html">fft.hcc</a>. +<p> +References <a class="el" href="fft_8hcc-source.html#l00104">calculate_fft()</a>. </td> + </tr> +</table> + +<p> +Here is the call graph for this function:<p><center><img src="fft_8hch_a3_cgraph.png" border="0" usemap="#fft_8hch_a3_cgraph_map" alt=""></center> +<map name="fft_8hch_a3_cgraph_map"> +<area href="fft_8hcc.html#a3" shape="rect" coords="145,8,238,34" alt=""> +<area href="fft_8hcc.html#a2" shape="rect" coords="287,8,357,34" alt=""> +</map> +<a class="anchor" name="a4" doxytag="fft.hch::perform_ifft"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">void perform_ifft </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">signed 16 * </td> + <td class="mdname" nowrap> <em>modified_audio</em>, </td> + </tr> + <tr> + <td class="md" nowrap align="right"></td> + <td class="md"></td> + <td class="md" nowrap>unsigned 6 * </td> + <td class="mdname" nowrap> <em>ifft_info</em></td> + </tr> + <tr> + <td class="md"></td> + <td class="md">) </td> + <td class="md" colspan="2"></td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> + +<p> +Definition at line <a class="el" href="fft_8hcc-source.html#l00324">324</a> of file <a class="el" href="fft_8hcc-source.html">fft.hcc</a>. +<p> +References <a class="el" href="fft_8hcc-source.html#l00104">calculate_fft()</a>. </td> + </tr> +</table> + +<p> +Here is the call graph for this function:<p><center><img src="fft_8hch_a4_cgraph.png" border="0" usemap="#fft_8hch_a4_cgraph_map" alt=""></center> +<map name="fft_8hch_a4_cgraph_map"> +<area href="fft_8hcc.html#a3" shape="rect" coords="150,8,244,34" alt=""> +<area href="fft_8hcc.html#a2" shape="rect" coords="293,8,362,34" alt=""> +</map> +<a class="anchor" name="a5" doxytag="fft.hch::equalize_audio"></a><p> +<table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> + <tr> + <td class="mdRow"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top">void equalize_audio </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top"><a class="el" href="structaudiodata__t.html">audiodata_t</a> * </td> + <td class="mdname1" valign="top" nowrap> <em>audiodata</em> </td> + <td class="md" valign="top"> ) </td> + <td class="md" nowrap></td> + </tr> + </table> + </td> + </tr> +</table> +<table cellspacing="5" cellpadding="0" border="0"> + <tr> + <td> + + </td> + <td> + +<p> +This routine equalizes the frequencies derived by the FFT calculation, according to the settings of the equalizer bars. +<p> +<dl compact><dt><b>Note:</b></dt><dd>Cost: 3844 clock cycles (Maximum)</dd></dl> +<dl compact><dt><b>Parameters:</b></dt><dd> + <table border="0" cellspacing="2" cellpadding="0"> + <tr><td valign="top"></td><td valign="top"><em>*audiodata</em> </td><td>pointer to the audiodata struct, containing the eq_info, etc.</td></tr> + </table> +</dl> +<dl compact><dt><b>Returns:</b></dt><dd>void </dd></dl> +<dl compact><dt><b>Return values:</b></dt><dd> + <table border="0" cellspacing="2" cellpadding="0"> + <tr><td valign="top"></td><td valign="top"><em>void</em> </td><td></td></tr> + </table> +</dl> + +<p> +Definition at line <a class="el" href="fft_8hcc-source.html#l00398">398</a> of file <a class="el" href="fft_8hcc-source.html">fft.hcc</a>. +<p> +References <a class="el" href="audio_8hch-source.html#l00035">audiodata_t::display_log</a>, <a class="el" href="fft_8hcc-source.html#l00064">eq_settings</a>, <a class="el" href="audio_8hch-source.html#l00034">audiodata_t::equalizer_levels_ptr</a>, <a class="el" href="fft_8hcc-source.html#l00082">multiply()</a>, and <a class="el" href="fft_8hch-source.html#l00002">NUMBER_OF_POINTS</a>. </td> + </tr> +</table> + +<p> +Here is the call graph for this function:<p><center><img src="fft_8hch_a5_cgraph.png" border="0" usemap="#fft_8hch_a5_cgraph_map" alt=""></center> +<map name="fft_8hch_a5_cgraph_map"> +<area href="fft_8hcc.html#a2" shape="rect" coords="167,8,237,34" alt=""> +</map> +<hr size="1"><address style="align: right;"><small>Generated on Thu Dec 9 14:37:08 2004 for Graphic Equalizer 2 by +<a href="http://www.doxygen.org/index.html"> +<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address> +</body> +</html> |