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<a href="#pub-attribs">Data Fields</a> </div>
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<div class="title">snd_ctl_ext_t Struct Reference<div class="ingroups"><a class="el" href="group___ctl_plugin___s_d_k.html">External Control Plugin SDK</a></div></div> </div>
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Data Fields</h2></td></tr>
<tr class="memitem:af3599d3baa6b5ceadecbfbd74b8b773f"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#af3599d3baa6b5ceadecbfbd74b8b773f">version</a></td></tr>
<tr class="separator:af3599d3baa6b5ceadecbfbd74b8b773f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac922ab575590b3d179ee439c0891d952"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#ac922ab575590b3d179ee439c0891d952">card_idx</a></td></tr>
<tr class="separator:ac922ab575590b3d179ee439c0891d952"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a378f125e90ce9a0f20823c056d638263"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a378f125e90ce9a0f20823c056d638263">id</a> [16]</td></tr>
<tr class="separator:a378f125e90ce9a0f20823c056d638263"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae170b3a14d45d3bb830a91773bb832f4"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#ae170b3a14d45d3bb830a91773bb832f4">driver</a> [16]</td></tr>
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<tr class="memitem:a186de36995e8f5d879fcf3abea5aeff2"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a186de36995e8f5d879fcf3abea5aeff2">name</a> [32]</td></tr>
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<tr class="memitem:a3863dfbb46d66f4cd43d93d42d58e393"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a3863dfbb46d66f4cd43d93d42d58e393">longname</a> [80]</td></tr>
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<tr class="memitem:a44e14783e538144eac71a6df139989b5"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a44e14783e538144eac71a6df139989b5">mixername</a> [80]</td></tr>
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<tr class="memitem:a1b3bab17945ce89342aae1928bd33657"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a1b3bab17945ce89342aae1928bd33657">poll_fd</a></td></tr>
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<tr class="memitem:a24823fabe7534fdc7ebf0a12461ba9fc"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="group___ctl_plugin___s_d_k.html#ga8185c9a0e27e9562511a82dda1d20ddf">snd_ctl_ext_callback_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a24823fabe7534fdc7ebf0a12461ba9fc">callback</a></td></tr>
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<tr class="memitem:abae840f5d02c49540b23b23285248d2b"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#abae840f5d02c49540b23b23285248d2b">private_data</a></td></tr>
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<tr class="memitem:af014c69147bee94eaddca82d6916326f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#af014c69147bee94eaddca82d6916326f">handle</a></td></tr>
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<tr class="memitem:a3688ec45a9f38ba73c1ae9058414b033"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a3688ec45a9f38ba73c1ae9058414b033">nonblock</a></td></tr>
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<tr class="memitem:a3a07d58cb46680c6cb9023dbf72e3120"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#a3a07d58cb46680c6cb9023dbf72e3120">subscribed</a></td></tr>
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<tr class="memitem:aaa3990caf54754608aa7541483072efa"><td class="memItemLeft" >union {</td></tr>
<tr class="memitem:a516c5485afe4aa60f734435786938e5e"><td class="memItemLeft" >
   <a class="el" href="group___ctl_plugin___s_d_k.html#ga51b74c20889bc3b81f5abc434a2267d0">snd_ctl_ext_tlv_rw_t</a> *   <b>c</b></td></tr>
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   const unsigned int *   <b>p</b></td></tr>
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<tr class="memitem:aaa3990caf54754608aa7541483072efa"><td class="memItemLeft" valign="top">} </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html#aaa3990caf54754608aa7541483072efa">tlv</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Handle of control ext</p>
<p>External control plugin handle </p>
</div><h2 class="groupheader">Field Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a24823fabe7534fdc7ebf0a12461ba9fc">◆ </a></span>callback</h2>
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<td class="memname">const <a class="el" href="group___ctl_plugin___s_d_k.html#ga8185c9a0e27e9562511a82dda1d20ddf">snd_ctl_ext_callback_t</a>* snd_ctl_ext_t::callback</td>
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<p>callbacks of this plugin; must be filled before calling <a class="el" href="group___p_c_m___i_o_plug.html#ga7fb5213a5e776246e2b4dc53ec8d7604" title="Create an ioplug instance.">snd_pcm_ioplug_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac922ab575590b3d179ee439c0891d952">◆ </a></span>card_idx</h2>
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<td class="memname">int snd_ctl_ext_t::card_idx</td>
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<p>Index of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae170b3a14d45d3bb830a91773bb832f4">◆ </a></span>driver</h2>
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<td class="memname">char snd_ctl_ext_t::driver[16]</td>
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<p>Driver name of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af014c69147bee94eaddca82d6916326f">◆ </a></span>handle</h2>
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<td class="memname"><a class="el" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a>* snd_ctl_ext_t::handle</td>
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<p>control handle filled by <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a378f125e90ce9a0f20823c056d638263">◆ </a></span>id</h2>
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<td class="memname">char snd_ctl_ext_t::id[16]</td>
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<p>ID string of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3863dfbb46d66f4cd43d93d42d58e393">◆ </a></span>longname</h2>
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<td class="memname">char snd_ctl_ext_t::longname[80]</td>
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<p>Long name of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<a id="a44e14783e538144eac71a6df139989b5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a44e14783e538144eac71a6df139989b5">◆ </a></span>mixername</h2>
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<td class="memname">char snd_ctl_ext_t::mixername[80]</td>
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<p>Mixer name of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<a id="a186de36995e8f5d879fcf3abea5aeff2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a186de36995e8f5d879fcf3abea5aeff2">◆ </a></span>name</h2>
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<td class="memname">char snd_ctl_ext_t::name[32]</td>
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<p>short name of this card; must be filled before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3688ec45a9f38ba73c1ae9058414b033">◆ </a></span>nonblock</h2>
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<td class="memname">int snd_ctl_ext_t::nonblock</td>
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<p>non-block mode; read-only </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b3bab17945ce89342aae1928bd33657">◆ </a></span>poll_fd</h2>
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<td class="memname">int snd_ctl_ext_t::poll_fd</td>
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<p>poll descriptor </p>
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<h2 class="memtitle"><span class="permalink"><a href="#abae840f5d02c49540b23b23285248d2b">◆ </a></span>private_data</h2>
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<td class="memname">void* snd_ctl_ext_t::private_data</td>
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<p>private data, which can be used freely in the driver callbacks </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3a07d58cb46680c6cb9023dbf72e3120">◆ </a></span>subscribed</h2>
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<td class="memname">int snd_ctl_ext_t::subscribed</td>
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<p>events subscribed; read-only </p>
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<td class="memname">union { ... } snd_ctl_ext_t::tlv</td>
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<p>optional TLV data for the control (since protocol 1.0.1) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af3599d3baa6b5ceadecbfbd74b8b773f">◆ </a></span>version</h2>
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<td class="memname">unsigned int snd_ctl_ext_t::version</td>
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<p>protocol version; <a class="el" href="group___ctl_plugin___s_d_k.html#ga65ea29f84b09ee3e640f88b06d05a1a2">SND_CTL_EXT_VERSION</a> must be filled here before calling <a class="el" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6" title="Create an external control plugin instance.">snd_ctl_ext_create()</a> </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>/builddir/build/BUILD/alsa-lib-1.2.13/include/<a class="el" href="control__external_8h_source.html">control_external.h</a></li>
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