<!-- This comment will put IE 6, 7 and 8 in quirks mode -->
<!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"/>
<title>ALSA project - the C library reference: snd_pcm_extplug_callback_t Struct Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javaScript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body onload='searchBox.OnSelectItem(0);'>
<!-- Generated by Doxygen 1.6.3 -->
<script type="text/javascript"><!--
var searchBox = new SearchBox("searchBox", "search",false,'Search');
--></script>
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li class="current"><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<img id="MSearchSelect" src="search/search.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</div>
</li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="functions.html"><span>Data Fields</span></a></li>
</ul>
</div>
</div>
<div class="contents">
<h1>snd_pcm_extplug_callback_t Struct Reference<br/>
<small>
[<a class="el" href="group___p_c_m___ext_plug.html">External Filter plugin SDK</a>]</small>
</h1><!-- doxytag: class="snd_pcm_extplug_callback" --><table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___p_c_m.html#ga71cdfa37e258d2210b8bd0216bf0c36c">snd_pcm_sframes_t</a>(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a5c1c8cb34f5c1df7af6141362f473091">transfer</a> )(snd_pcm_extplug_t *ext, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *dst_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> dst_offset, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *src_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> src_offset, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a7e26f4025337be9d0b36e9e248ba92ae">close</a> )(snd_pcm_extplug_t *ext)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a7215432f6873a74e5f24da0817a3bbae">hw_params</a> )(snd_pcm_extplug_t *ext, <a class="el" href="group___p_c_m.html#ga65c737127994f0a980edad744e36dc40">snd_pcm_hw_params_t</a> *params)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#ad24a08d2400288d5e708a6886b8be50f">hw_free</a> )(snd_pcm_extplug_t *ext)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a6532c068bce5dc458d8fd0a9e45284d2">dump</a> )(snd_pcm_extplug_t *ext, <a class="el" href="group___output.html#ga49729cc6454539495c1f5b6e95cd474a">snd_output_t</a> *out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a75b2bd7ec54d8617c16dd2842b9d4bfe">init</a> )(snd_pcm_extplug_t *ext)</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Callback table of extplug </p>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="a7e26f4025337be9d0b36e9e248ba92ae"></a><!-- doxytag: member="snd_pcm_extplug_callback::close" ref="a7e26f4025337be9d0b36e9e248ba92ae" args=")(snd_pcm_extplug_t *ext)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int(* snd_pcm_extplug_callback_t::close)(snd_pcm_extplug_t *ext)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>close the PCM; optional </p>
</div>
</div>
<a class="anchor" id="a6532c068bce5dc458d8fd0a9e45284d2"></a><!-- doxytag: member="snd_pcm_extplug_callback::dump" ref="a6532c068bce5dc458d8fd0a9e45284d2" args=")(snd_pcm_extplug_t *ext, snd_output_t *out)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void(* snd_pcm_extplug_callback_t::dump)(snd_pcm_extplug_t *ext, <a class="el" href="group___output.html#ga49729cc6454539495c1f5b6e95cd474a">snd_output_t</a> *out)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>dump; optional </p>
</div>
</div>
<a class="anchor" id="ad24a08d2400288d5e708a6886b8be50f"></a><!-- doxytag: member="snd_pcm_extplug_callback::hw_free" ref="ad24a08d2400288d5e708a6886b8be50f" args=")(snd_pcm_extplug_t *ext)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int(* snd_pcm_extplug_callback_t::hw_free)(snd_pcm_extplug_t *ext)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>hw_free; optional </p>
</div>
</div>
<a class="anchor" id="a7215432f6873a74e5f24da0817a3bbae"></a><!-- doxytag: member="snd_pcm_extplug_callback::hw_params" ref="a7215432f6873a74e5f24da0817a3bbae" args=")(snd_pcm_extplug_t *ext, snd_pcm_hw_params_t *params)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int(* snd_pcm_extplug_callback_t::hw_params)(snd_pcm_extplug_t *ext, <a class="el" href="group___p_c_m.html#ga65c737127994f0a980edad744e36dc40">snd_pcm_hw_params_t</a> *params)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>hw_params; optional </p>
</div>
</div>
<a class="anchor" id="a75b2bd7ec54d8617c16dd2842b9d4bfe"></a><!-- doxytag: member="snd_pcm_extplug_callback::init" ref="a75b2bd7ec54d8617c16dd2842b9d4bfe" args=")(snd_pcm_extplug_t *ext)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int(* snd_pcm_extplug_callback_t::init)(snd_pcm_extplug_t *ext)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>init; optional initialization called at prepare or reset </p>
</div>
</div>
<a class="anchor" id="a5c1c8cb34f5c1df7af6141362f473091"></a><!-- doxytag: member="snd_pcm_extplug_callback::transfer" ref="a5c1c8cb34f5c1df7af6141362f473091" args=")(snd_pcm_extplug_t *ext, const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset, const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset, snd_pcm_uframes_t size)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group___p_c_m.html#ga71cdfa37e258d2210b8bd0216bf0c36c">snd_pcm_sframes_t</a>(* snd_pcm_extplug_callback_t::transfer)(snd_pcm_extplug_t *ext, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *dst_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> dst_offset, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *src_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> src_offset, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> size)</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>transfer between source and destination; this is a required callback </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>/home/qateam/rpm/BUILD/alsa-lib-1.0.23/include/<a class="el" href="pcm__extplug_8h_source.html">pcm_extplug.h</a></li>
</ul>
</div>
<!--- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Defines</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Sat Nov 20 07:42:24 2010 for ALSA project - the C library reference by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
</body>
</html>
