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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>PWAVFileFormat 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>PWAVFileFormat Class Reference</h1><code>#include <<a class="el" href="pwavfile_8h-source.html">pwavfile.h</a>></code><p><a href="classPWAVFileFormat-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 Methods</h2></td></tr><tr><td nowrap align=right valign=top>virtual unsigned </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a0">GetFormat</a> () const=0</td></tr><tr><td nowrap align=right valign=top>virtual <a class="el" href="classPString.html">PString</a> </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a1">GetFormatString</a> () const=0</td></tr><tr><td nowrap align=right valign=top>virtual <a class="el" href="classPString.html">PString</a> </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a2">GetDescription</a> () const=0</td></tr><tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a3">CreateHeader</a> (<a class="el" href="structPWAV_1_1FMTChunk.html">PWAV::FMTChunk</a> &header, <a class="el" href="classPBYTEArray.html">PBYTEArray</a> &extendedHeader)=0</td></tr><tr><td nowrap align=right valign=top>virtual BOOL </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a4">WriteExtraChunks</a> (<a class="el" href="classPWAVFile.html">PWAVFile</a> &)</td></tr><tr><td nowrap align=right valign=top>virtual BOOL </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a5">ReadExtraChunks</a> (<a class="el" href="classPWAVFile.html">PWAVFile</a> &)</td></tr><tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a6">OnStart</a> ()</td></tr><tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a7">OnStop</a> ()</td></tr><tr><td nowrap align=right valign=top>virtual BOOL </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a8">Read</a> (<a class="el" href="classPWAVFile.html">PWAVFile</a> &file, void *buf, PINDEX &len)</td></tr><tr><td nowrap align=right valign=top>virtual BOOL </td><td valign=bottom><a class="el" href="classPWAVFileFormat.html#a9">Write</a> (<a class="el" href="classPWAVFile.html">PWAVFile</a> &file, const void *buf, PINDEX &len)</td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>abstract factory class for handling WAV files formats <p><hr><h2>Member Function Documentation</h2><a name="a3" doxytag="PWAVFileFormat::CreateHeader"></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"> virtual void PWAVFileFormat::CreateHeader </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="structPWAV_1_1FMTChunk.html">PWAV::FMTChunk</a> & </td> <td class="mdname" nowrap> <em>header</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap><a class="el" href="classPBYTEArray.html">PBYTEArray</a> & </td> <td class="mdname" nowrap> <em>extendedHeader</em></td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"><code> [pure virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>populate the header with the correct values </td> </tr></table><a name="a2" doxytag="PWAVFileFormat::GetDescription"></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"> virtual <a class="el" href="classPString.html">PString</a> PWAVFileFormat::GetDescription </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [pure virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>return a string that can be used as a text description </td> </tr></table><a name="a0" doxytag="PWAVFileFormat::GetFormat"></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"> virtual unsigned PWAVFileFormat::GetFormat </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [pure virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>return a <a class="el" href="classPWAVFile.html">PWAVFile</a> format code </td> </tr></table><a name="a1" doxytag="PWAVFileFormat::GetFormatString"></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"> virtual <a class="el" href="classPString.html">PString</a> PWAVFileFormat::GetFormatString </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [pure virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>return a string that can be used as a media format </td> </tr></table><a name="a6" doxytag="PWAVFileFormat::OnStart"></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"> virtual void PWAVFileFormat::OnStart </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [inline, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>called before the reading/writing starts </td> </tr></table><a name="a7" doxytag="PWAVFileFormat::OnStop"></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"> virtual void PWAVFileFormat::OnStop </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [inline, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>called after the reading/writing stops </td> </tr></table><a name="a8" doxytag="PWAVFileFormat::Read"></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"> virtual BOOL PWAVFileFormat::Read </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classPWAVFile.html">PWAVFile</a> & </td> <td class="mdname" nowrap> <em>file</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>void * </td> <td class="mdname" nowrap> <em>buf</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>PINDEX & </td> <td class="mdname" nowrap> <em>len</em></td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>write data to the file </td> </tr></table><a name="a5" doxytag="PWAVFileFormat::ReadExtraChunks"></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"> virtual BOOL PWAVFileFormat::ReadExtraChunks </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classPWAVFile.html">PWAVFile</a> & </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [inline, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>read any extra headers after the FORMAT chunk </td> </tr></table><a name="a9" doxytag="PWAVFileFormat::Write"></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"> virtual BOOL PWAVFileFormat::Write </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classPWAVFile.html">PWAVFile</a> & </td> <td class="mdname" nowrap> <em>file</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>const void * </td> <td class="mdname" nowrap> <em>buf</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>PINDEX & </td> <td class="mdname" nowrap> <em>len</em></td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>read data from the file </td> </tr></table><a name="a4" doxytag="PWAVFileFormat::WriteExtraChunks"></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"> virtual BOOL PWAVFileFormat::WriteExtraChunks </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classPWAVFile.html">PWAVFile</a> & </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap><code> [inline, virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>write any extra headers after the FORMAT chunk </td> </tr></table><hr>The documentation for this class was generated from the following file:<ul><li><a class="el" href="pwavfile_8h-source.html">pwavfile.h</a></ul><hr><address style="align: right;"><small>Generated on Wed Sep 29 22:44:21 2004 for PWLib by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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