<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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 1.8.3.1"/> <title>PortAudio: PaWinDirectSoundStreamInfo Struct 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="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 style="padding-left: 0.5em;"> <div id="projectname">PortAudio  <span id="projectnumber">2.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header 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colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> Data Fields</h2></td></tr> <tr class="memitem:a628ca7f8b755a42182a76f9e88202ea0"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#a628ca7f8b755a42182a76f9e88202ea0">size</a></td></tr> <tr class="separator:a628ca7f8b755a42182a76f9e88202ea0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a86baa9ebeb0f10ca2f4fe24c41cd3bea"><td class="memItemLeft" align="right" valign="top"><a class="el" href="portaudio_8h.html#a8eaebe3d39c5ea45598da8f86dc2e5ae">PaHostApiTypeId</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#a86baa9ebeb0f10ca2f4fe24c41cd3bea">hostApiType</a></td></tr> <tr class="separator:a86baa9ebeb0f10ca2f4fe24c41cd3bea"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9baec8b75c5b93b59217625b790bebbe"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#a9baec8b75c5b93b59217625b790bebbe">version</a></td></tr> <tr class="separator:a9baec8b75c5b93b59217625b790bebbe"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a72f9dcac1303ba51fd1e36965a7cda46"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#a72f9dcac1303ba51fd1e36965a7cda46">flags</a></td></tr> <tr class="separator:a72f9dcac1303ba51fd1e36965a7cda46"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adb9fc9098994e07ac7e1e7e9ac2175d7"><td class="memItemLeft" align="right" valign="top">unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#adb9fc9098994e07ac7e1e7e9ac2175d7">framesPerBuffer</a></td></tr> <tr class="separator:adb9fc9098994e07ac7e1e7e9ac2175d7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa9282b945c2331e1dd3f13b64fa7e927"><td class="memItemLeft" align="right" valign="top">PaWinWaveFormatChannelMask </td><td class="memItemRight" valign="bottom"><a class="el" href="structPaWinDirectSoundStreamInfo.html#aa9282b945c2331e1dd3f13b64fa7e927">channelMask</a></td></tr> <tr class="separator:aa9282b945c2331e1dd3f13b64fa7e927"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00059">59</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div><h2 class="groupheader">Field Documentation</h2> <a class="anchor" id="aa9282b945c2331e1dd3f13b64fa7e927"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">PaWinWaveFormatChannelMask PaWinDirectSoundStreamInfo::channelMask</td> </tr> </table> </div><div class="memdoc"> <p>support for WAVEFORMATEXTENSIBLE channel masks. If flags contains paWinDirectSoundUseChannelMask this allows you to specify which speakers to address in a multichannel stream. Constants for channelMask are specified in <a class="el" href="pa__win__waveformat_8h.html" title="Windows specific PortAudio API extension and utilities header file.">pa_win_waveformat.h</a> </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00085">85</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <a class="anchor" id="a72f9dcac1303ba51fd1e36965a7cda46"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned long PaWinDirectSoundStreamInfo::flags</td> </tr> </table> </div><div class="memdoc"> <p>enable other features of this struct </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00064">64</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <a class="anchor" id="adb9fc9098994e07ac7e1e7e9ac2175d7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned long PaWinDirectSoundStreamInfo::framesPerBuffer</td> </tr> </table> </div><div class="memdoc"> <p>low-level latency setting support Sets the size of the DirectSound host buffer. When flags contains the paWinDirectSoundUseLowLevelLatencyParameters this size will be used instead of interpreting the generic latency parameters to <a class="el" href="portaudio_8h.html#a443ad16338191af364e3be988014cbbe">Pa_OpenStream()</a>. If the flag is not set this value is ignored.</p> <p>If the stream is a full duplex stream the implementation requires that the values of framesPerBuffer for input and output match (if both are specified). </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00076">76</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <a class="anchor" id="a86baa9ebeb0f10ca2f4fe24c41cd3bea"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="portaudio_8h.html#a8eaebe3d39c5ea45598da8f86dc2e5ae">PaHostApiTypeId</a> PaWinDirectSoundStreamInfo::hostApiType</td> </tr> </table> </div><div class="memdoc"> <p>paDirectSound </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00061">61</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <a class="anchor" id="a628ca7f8b755a42182a76f9e88202ea0"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned long PaWinDirectSoundStreamInfo::size</td> </tr> </table> </div><div class="memdoc"> <p>sizeof(PaWinDirectSoundStreamInfo) </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00060">60</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <a class="anchor" id="a9baec8b75c5b93b59217625b790bebbe"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned long PaWinDirectSoundStreamInfo::version</td> </tr> </table> </div><div class="memdoc"> <p>2 </p> <p>Definition at line <a class="el" href="pa__win__ds_8h_source.html#l00062">62</a> of file <a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="pa__win__ds_8h_source.html">pa_win_ds.h</a></li> </ul> </div><!-- contents --> <hr size="1"><address style="text-align: right;"><small>Generated for PortAudio by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a>1.8.3.1</small></address> </body> </html>