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<section id="closing-devices">
<h1>Closing devices<a class="headerlink" href="#closing-devices" title="Link to this heading"></a></h1>
<p id="c-close-device">To close the capture device on a given connection use</p>
<dl class="c function">
<dt class="sig sig-object c">
<span class="kt"><span class="pre">unsigned</span></span><span class="w"> </span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ts3client_closeCaptureDevice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">uint64</span></span><span class="w"> </span><span class="n"><span class="pre">serverConnectionHandlerID</span></span><span class="sig-paren">)</span><br /></dt>
<dd><p>Immediately close the current capture device on a connection handler. </p>
<p>This will instantly shut down the device.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>serverConnectionHandlerID</strong> the connection handler on which to shut down the capture device </p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>An Error code from the <a class="reference internal" href="../errors.html#public__errors_8h_1a0bcf1e0a5e32989890f6e85064327f7b"><span class="std std-ref">Ts3ErrorType</span></a> enum indicating either success or the failure reason </p>
</dd>
</dl>
</dd></dl>
<p>To close the playback device on a given connection use</p>
<dl class="c function">
<dt class="sig sig-object c">
<span class="kt"><span class="pre">unsigned</span></span><span class="w"> </span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ts3client_closePlaybackDevice</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">uint64</span></span><span class="w"> </span><span class="n"><span class="pre">serverConnectionHandlerID</span></span><span class="sig-paren">)</span><br /></dt>
<dd><p>Immediately close the current playback device on a connection handler. </p>
<p>This will instantly shut down the device. Any sounds currently playing will be interrupted.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>serverConnectionHandlerID</strong> the connection handler on which to shut down the playback device </p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>An Error code from the <a class="reference internal" href="../errors.html#public__errors_8h_1a0bcf1e0a5e32989890f6e85064327f7b"><span class="std std-ref">Ts3ErrorType</span></a> enum indicating either success or the failure reason </p>
</dd>
</dl>
</dd></dl>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Closing the playback device this way will not wait
for sounds that are currently playing to finish, but rather
close the device instantly.</p>
</div>
<p>To close the playback device on a given connection after
all sounds that are currently playing through it have finished use</p>
<dl class="c function">
<dt class="sig sig-object c">
<span class="kt"><span class="pre">unsigned</span></span><span class="w"> </span><span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ts3client_initiateGracefulPlaybackShutdown</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">uint64</span></span><span class="w"> </span><span class="n"><span class="pre">serverConnectionHandlerID</span></span><span class="sig-paren">)</span><br /></dt>
<dd><p>Close the playback device after all currently playing sounds are done playing. </p>
<p>A more user friendly way of closing a playback device. The client lib will monitor and ensure that any sounds that have already started playing have completely played before closing the device. New sounds are not allowed to be played after calling this function. This function will return right away, regardless of whether the device has been closed already or not.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>serverConnectionHandlerID</strong> the connection handler on which to shut down the playback device </p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>An Error code from the <a class="reference internal" href="../errors.html#public__errors_8h_1a0bcf1e0a5e32989890f6e85064327f7b"><span class="std std-ref">Ts3ErrorType</span></a> enum indicating either success or the failure reason </p>
</dd>
</dl>
</dd></dl>
<div class="admonition caution">
<p class="admonition-title">Caution</p>
<p>This function will return before the device is actually closed!</p>
</div>
<p>While <a class="reference internal" href="#c.ts3client_initiateGracefulPlaybackShutdown" title="ts3client_initiateGracefulPlaybackShutdown"><code class="xref c c-func docutils literal notranslate"><span class="pre">ts3client_initiateGracefulPlaybackShutdown()</span></code></a> will not block
until all sounds have finished playing, it will notify the client
when the playback device has been closed by calling the following callback</p>
<dl class="c struct">
<dt class="sig sig-object c">
<span class="k"><span class="pre">struct</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ClientUIFunctions</span></span></span><br /></dt>
<dd><p>Defines available callbacks that you can receive. </p>
<p>Set the members of this struct to a function to call when the specific event happens. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-members">Public Members</p>
<dl class="c var">
<dt class="sig sig-object c">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">onPlaybackShutdownCompleteEvent</span></span></span><span class="p"><span class="pre">)</span></span><span class="p"><span class="pre">(</span></span><span class="n"><span class="pre">uint64</span></span><span class="w"> </span><span class="n"><span class="pre">serverConnectionHandlerID</span></span><span class="p"><span class="pre">)</span></span><br /></dt>
<dd><p>called once the playback device was closed on a connection </p>
<p><div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="../client_api.html#clientlib_8h_1af31abf44b6c6db339ef41351f31d8da2"><span class="std std-ref">ts3client_initiateGracefulPlaybackShutdown</span></a></p>
</div>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="../client_api.html#clientlib_8h_1aee37dae1b01c6d849745bb1c35087dfa"><span class="std std-ref">ts3client_closePlaybackDevice</span></a></p>
</div>
</p>
<dl class="field-list simple">
<dt class="field-odd">Param serverConnectionHandlerID<span class="colon">:</span></dt>
<dd class="field-odd"><p>specifies on which connection the callback was called </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Devices are closed automatically upon destroying the connection handler
by calling <a class="reference internal" href="connections.html#c.ts3client_destroyServerConnectionHandler" title="ts3client_destroyServerConnectionHandler"><code class="xref c c-func docutils literal notranslate"><span class="pre">ts3client_destroyServerConnectionHandler()</span></code></a></p>
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