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<!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>PDTMFEncoder class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center><hr><h1>PDTMFEncoder Class Reference</h1><code>#include <<a class="el" href="dtmf_8h-source.html">dtmf.h</a>></code><p><p>Inheritance diagram for PDTMFEncoder:<p><center><img src="classPDTMFEncoder.png" usemap="#PDTMFEncoder_map" border="0" alt=""></center><map name="PDTMFEncoder_map"><area href="classPBYTEArray.html" alt="PBYTEArray" shape="rect" coords="0,0,103,24"></map><a href="classPDTMFEncoder-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Public Types</h2></td></tr><tr><td nowrap align=right valign=top>enum </td><td valign=bottom>{ <a class="el" href="classPDTMFEncoder.html#s1s0">DefaultToneLen</a> = 100 }</td></tr><tr><td colspan=2><br><h2>Public Methods</h2></td></tr><tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a0">PDTMFEncoder</a> (const char *dtmf=NULL, unsigned len=DefaultToneLen)</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a1">AddTone</a> (char ch, unsigned len=DefaultToneLen)</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a2">AddTone</a> (const <a class="el" href="classPString.html">PString</a> &str, unsigned len=DefaultToneLen)</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a3">AddTone</a> (double freq1, double freq2=0, unsigned len=DefaultToneLen)</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a4">GenerateRingBackTone</a> ()</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a5">GenerateDialTone</a> ()</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a6">GenerateBusyTone</a> ()</td></tr><tr><td nowrap align=right valign=top>char </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#a7">DtmfChar</a> (PINDEX i)</td></tr><tr><td colspan=2><br><h2>Static Protected Methods</h2></td></tr><tr><td nowrap align=right valign=top><a class="el" href="classPMutex.html">PMutex</a> & </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#e0">GetMutex</a> ()</td></tr><tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#e1">MakeSineTable</a> ()</td></tr><tr><td nowrap align=right valign=top>double </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#e2">sine</a> (unsigned int ptr)</td></tr><tr><td colspan=2><br><h2>Static Protected Attributes</h2></td></tr><tr><td nowrap align=right valign=top>BOOL </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#q0">sineTabInit</a></td></tr><tr><td nowrap align=right valign=top>double </td><td valign=bottom><a class="el" href="classPDTMFEncoder.html#q1">sinetab</a> [1<< 11]</td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>this class can be used to generate PCM data for tones (such as DTMF) at a sample rate of 8khz <p><hr><h2>Member Enumeration Documentation</h2><a name="s1" doxytag="PDTMFEncoder::@14"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> anonymous enum </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p><dl compact><dt><b>Enumeration values: </b></dt><dd><table border=0 cellspacing=2 cellpadding=0><tr><td valign=top><em><a name="s1s0" doxytag="DefaultToneLen"></a><em>DefaultToneLen</em></em> </td><td></td></tr></table></dl> </td> </tr></table><hr><h2>Constructor & Destructor Documentation</h2><a name="a0" doxytag="PDTMFEncoder::PDTMFEncoder"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> PDTMFEncoder::PDTMFEncoder </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const char * </td> <td class="mdname" nowrap> <em>dtmf</em> = NULL, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>unsigned </td> <td class="mdname" nowrap> <em>len</em> = DefaultToneLen</td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"><code> [inline]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Create PCM data for the specified DTMF sequence </td> </tr></table><hr><h2>Member Function Documentation</h2><a name="a3" doxytag="PDTMFEncoder::AddTone"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> void PDTMFEncoder::AddTone </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">double </td> <td class="mdname" nowrap> <em>freq1</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>double </td> <td class="mdname" nowrap> <em>freq2</em> = 0, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>unsigned </td> <td class="mdname" nowrap> <em>len</em> = DefaultToneLen</td> </tr> <tr> <td></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>Add the PCM data for the specified dual-frequency tone to the buffer freq2 can be zero, which will generate a single frequency tone </td> </tr></table><a name="a2" doxytag="PDTMFEncoder::AddTone"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> void PDTMFEncoder::AddTone </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const <a class="el" href="classPString.html">PString</a> & </td> <td class="mdname" nowrap> <em>str</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>unsigned </td> <td class="mdname" nowrap> <em>len</em> = DefaultToneLen</td> </tr> <tr> <td></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>Add the PCM data for the specified tone sequence to the buffer </td> </tr></table><a name="a1" doxytag="PDTMFEncoder::AddTone"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> void PDTMFEncoder::AddTone </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">char </td> <td class="mdname" nowrap> <em>ch</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>unsigned </td> <td class="mdname" nowrap> <em>len</em> = DefaultToneLen</td> </tr> <tr> <td></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>Add the PCM data for the specified tone to the buffer </td> </tr></table><a name="a7" doxytag="PDTMFEncoder::DtmfChar"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> char PDTMFEncoder::DtmfChar </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">PINDEX </td> <td class="mdname1" valign="top" nowrap> <em>i</em> </td> <td class="md" valign="top">) </td> <td class="md" nowrap></td>⌨️ 快捷键说明
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