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<!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 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>JACK-AUDIO-CONNECTION-KIT: Controlling error/information output</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
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<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">JACK-AUDIO-CONNECTION-KIT
</div>
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<!-- end header part -->
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name="MSearchResults" id="MSearchResults">
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<div class="header">
<div class="summary">
<a href="#func-members">Functions</a> |
<a href="#var-members">Variables</a> </div>
<div class="headertitle">
<div class="title">Controlling error/information output</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga550faaef2bb17b03b0068fe094e7b92f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga550faaef2bb17b03b0068fe094e7b92f">jack_set_error_function</a> (void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="separator:ga550faaef2bb17b03b0068fe094e7b92f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1555b7b4ae4056a42c70a3fa278ae17f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga1555b7b4ae4056a42c70a3fa278ae17f">jack_set_info_function</a> (void(*func)(const char *)) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="separator:ga1555b7b4ae4056a42c70a3fa278ae17f"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:ga8795fde90880a9cfa93816033481919f"><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga8795fde90880a9cfa93816033481919f">jack_error_callback</a> )(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="separator:ga8795fde90880a9cfa93816033481919f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga54df3f389c3bcf51fdb20ef939d5f062"><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ErrorOutput.html#ga54df3f389c3bcf51fdb20ef939d5f062">jack_info_callback</a> )(const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td></tr>
<tr class="separator:ga54df3f389c3bcf51fdb20ef939d5f062"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga550faaef2bb17b03b0068fe094e7b92f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga550faaef2bb17b03b0068fe094e7b92f">◆ </a></span>jack_set_error_function()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void jack_set_error_function </td>
<td>(</td>
<td class="paramtype">void(*)(const char *) </td>
<td class="paramname"><em>func</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the <a class="el" href="group__ErrorOutput.html#ga8795fde90880a9cfa93816033481919f">jack_error_callback</a> for error message display.</p>
<p>The JACK library provides two built-in callbacks for this purpose: default_jack_error_callback() and silent_jack_error_callback(). </p>
</div>
</div>
<a id="ga1555b7b4ae4056a42c70a3fa278ae17f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga1555b7b4ae4056a42c70a3fa278ae17f">◆ </a></span>jack_set_info_function()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void jack_set_info_function </td>
<td>(</td>
<td class="paramtype">void(*)(const char *) </td>
<td class="paramname"><em>func</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set the <a class="el" href="group__ErrorOutput.html#ga54df3f389c3bcf51fdb20ef939d5f062">jack_info_callback</a> for info message display. </p>
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="ga8795fde90880a9cfa93816033481919f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8795fde90880a9cfa93816033481919f">◆ </a></span>jack_error_callback</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void(* jack_error_callback) (const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td>
</tr>
</table>
</div><div class="memdoc">
<p>Display JACK error message.</p>
<p>Set via <a class="el" href="group__ErrorOutput.html#ga550faaef2bb17b03b0068fe094e7b92f">jack_set_error_function()</a>, otherwise a JACK-provided default will print <em>msg</em> (plus a newline) to stderr.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>error message text (no newline at end). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="ga54df3f389c3bcf51fdb20ef939d5f062"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga54df3f389c3bcf51fdb20ef939d5f062">◆ </a></span>jack_info_callback</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void(* jack_info_callback) (const char *msg) JACK_OPTIONAL_WEAK_EXPORT</td>
</tr>
</table>
</div><div class="memdoc">
<p>Display JACK info message.</p>
<p>Set via <a class="el" href="group__ErrorOutput.html#ga1555b7b4ae4056a42c70a3fa278ae17f">jack_set_info_function()</a>, otherwise a JACK-provided default will print <em>msg</em> (plus a newline) to stdout.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>info message text (no newline at end). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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