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  • Committer: Jeff Licquia
  • Date: 2009-12-01 02:17:33 UTC
  • Revision ID: jeff@licquia.org-20091201021733-3wwc7cdytdzz7hwo
Initial version.

This contains the spec, as mirrored from the ALSA site, and as run
through KompoZer (so its gratuitous format changes are already there).

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spec/structsnd__pcm__ioplug.html
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
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<html><head>
 
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<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>ALSA project - the C library reference: snd_pcm_ioplug Struct Reference</title>
 
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<link href="doxygen.css" rel="stylesheet" type="text/css">
 
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<link href="tabs.css" rel="stylesheet" type="text/css"></head><body>
 
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<!-- Generated by Doxygen 1.5.0 -->
 
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<div class="tabs">
 
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  <ul>
 
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    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
 
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    <li><a href="modules.html"><span>Modules</span></a></li>
 
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    <li id="current"><a href="annotated.html"><span>Data&nbsp;Structures</span></a></li>
 
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    <li><a href="files.html"><span>Files</span></a></li>
 
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    <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
 
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    <li><a href="examples.html"><span>Examples</span></a></li>
 
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  </ul></div>
 
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<div class="tabs">
 
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    <li><a href="annotated.html"><span>Data&nbsp;Structures</span></a></li>
 
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    <li><a href="functions.html"><span>Data&nbsp;Fields</span></a></li>
 
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  </ul></div>
 
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<h1>snd_pcm_ioplug Struct Reference<br>
 
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<small>
 
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[<a class="el" href="group___p_c_m___i_o_plug.html">External I/O plugin SDK</a>]</small>
 
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</h1><!-- doxytag: class="snd_pcm_ioplug" --><table border="0" cellpadding="0" cellspacing="0">
 
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</td></tr>
 
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<tr><td colspan="2"><br><h2>Data Fields</h2></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#c5292533d5c765d8c779630328fbdb82">version</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#8f60b52e971d55e622c3529f4e6ffac6">name</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#9ce5e8105c51b3f4d045f8de51c67166">flags</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#7a8b7d8370308b5d806fde12b02167ac">poll_fd</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#de7e443473a31d0531b2453eb17531dc">poll_events</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#2917cfb8120c68a0671b58d1e0463451">mmap_rw</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">const <a class="el" href="structsnd__pcm__ioplug__callback.html">snd_pcm_ioplug_callback_t</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#42c1d6854e32bd58d43e23a667ed3d30">callback</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#101d13fd85ff50f24c5a57bbb0a4f382">private_data</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#6cbfd539c1bc21ed6429abe1a6a13282">pcm</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#g854f0966bd0d7248ed3d9e5c293136ed">snd_pcm_stream_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#87b6e8242c1c5cee78655bdf04dfd5c6">stream</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#gd08aecb11dff7aa18f2480f8ab1b72d1">snd_pcm_state_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#56bf2a5f2f42da56924cca0101f05305">state</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">volatile <a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#2a06405865eb7b19aea3130fa64594c8">appl_ptr</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">volatile <a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#6b99bb1d265455f7da589cc850444886">hw_ptr</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#26a4f0627da2b7259122f542b2b4980a">nonblock</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#gb838921f42075ebe3f8744889a8ecd87">snd_pcm_access_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#1ffb95082fcae66dac8eeffe7715779e">access</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#g5ae31ebbea7972ce97a498040df1839e">snd_pcm_format_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#197153db868d6337ebf05ee017a03858">format</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#0f00e43e48f66483da3d686d640801e7">channels</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#8e381bdd1f75a1645640974b95e95ff3">rate</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#bd8e931d6595717df83961a7d629779f">period_size</a></td></tr>
 
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<tr><td class="memItemLeft" align="right" nowrap="nowrap" valign="top"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html#c5109f87a1267d8be24ab3b5b8755720">buffer_size</a></td></tr>
 
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</tbody></table>
 
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<hr><a name="_details"></a><h2>Detailed Description</h2>
 
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Handle of ioplug 
 
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<p>
 
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</p><hr><h2>Field Documentation</h2>
 
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<a class="anchor" name="c5292533d5c765d8c779630328fbdb82"></a><!-- doxytag: member="snd_pcm_ioplug::version" ref="c5292533d5c765d8c779630328fbdb82" args="" -->
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#c5292533d5c765d8c779630328fbdb82">snd_pcm_ioplug::version</a>          </td>
 
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protocol version; <a class="el" href="group___p_c_m___i_o_plug.html#gf701c23e5dd85848e7775492bc138e45">SND_PCM_IOPLUG_VERSION</a> must be filled here before calling <a class="el" href="group___p_c_m___i_o_plug.html#g49f570ce699bd75885756372459ff351">snd_pcm_ioplug_create()</a> 
 
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</p></div>
 
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<a class="anchor" name="8f60b52e971d55e622c3529f4e6ffac6"></a><!-- doxytag: member="snd_pcm_ioplug::name" ref="8f60b52e971d55e622c3529f4e6ffac6" args="" -->
 
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          <td class="memname">const char* <a class="el" href="structsnd__pcm__ioplug.html#8f60b52e971d55e622c3529f4e6ffac6">snd_pcm_ioplug::name</a>          </td>
 
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name of this plugin; must be filled before calling <a class="el" href="group___p_c_m___i_o_plug.html#g49f570ce699bd75885756372459ff351">snd_pcm_ioplug_create()</a> 
 
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</p></div>
 
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</div><p>
 
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<a class="anchor" name="9ce5e8105c51b3f4d045f8de51c67166"></a><!-- doxytag: member="snd_pcm_ioplug::flags" ref="9ce5e8105c51b3f4d045f8de51c67166" args="" -->
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#9ce5e8105c51b3f4d045f8de51c67166">snd_pcm_ioplug::flags</a>          </td>
 
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<div class="memdoc">
 
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<p>
 
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SND_PCM_IOPLUG_FLAG_XXX 
 
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</p></div>
 
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</div><p>
 
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<a class="anchor" name="7a8b7d8370308b5d806fde12b02167ac"></a><!-- doxytag: member="snd_pcm_ioplug::poll_fd" ref="7a8b7d8370308b5d806fde12b02167ac" args="" -->
 
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          <td class="memname">int <a class="el" href="structsnd__pcm__ioplug.html#7a8b7d8370308b5d806fde12b02167ac">snd_pcm_ioplug::poll_fd</a>          </td>
 
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poll file descriptor 
 
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<a class="anchor" name="de7e443473a31d0531b2453eb17531dc"></a><!-- doxytag: member="snd_pcm_ioplug::poll_events" ref="de7e443473a31d0531b2453eb17531dc" args="" -->
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#de7e443473a31d0531b2453eb17531dc">snd_pcm_ioplug::poll_events</a>          </td>
 
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<div class="memdoc">
 
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poll events 
 
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<a class="anchor" name="2917cfb8120c68a0671b58d1e0463451"></a><!-- doxytag: member="snd_pcm_ioplug::mmap_rw" ref="2917cfb8120c68a0671b58d1e0463451" args="" -->
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#2917cfb8120c68a0671b58d1e0463451">snd_pcm_ioplug::mmap_rw</a>          </td>
 
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pseudo mmap mode 
 
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<a class="anchor" name="42c1d6854e32bd58d43e23a667ed3d30"></a><!-- doxytag: member="snd_pcm_ioplug::callback" ref="42c1d6854e32bd58d43e23a667ed3d30" args="" -->
 
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          <td class="memname">const <a class="el" href="structsnd__pcm__ioplug__callback.html">snd_pcm_ioplug_callback_t</a>* <a class="el" href="structsnd__pcm__ioplug.html#42c1d6854e32bd58d43e23a667ed3d30">snd_pcm_ioplug::callback</a>          </td>
 
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callbacks of this plugin; must be filled before calling <a class="el" href="group___p_c_m___i_o_plug.html#g49f570ce699bd75885756372459ff351">snd_pcm_ioplug_create()</a> 
 
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<a class="anchor" name="101d13fd85ff50f24c5a57bbb0a4f382"></a><!-- doxytag: member="snd_pcm_ioplug::private_data" ref="101d13fd85ff50f24c5a57bbb0a4f382" args="" -->
 
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          <td class="memname">void* <a class="el" href="structsnd__pcm__ioplug.html#101d13fd85ff50f24c5a57bbb0a4f382">snd_pcm_ioplug::private_data</a>          </td>
 
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private data, which can be used freely in the driver callbacks 
 
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<a class="anchor" name="6cbfd539c1bc21ed6429abe1a6a13282"></a><!-- doxytag: member="snd_pcm_ioplug::pcm" ref="6cbfd539c1bc21ed6429abe1a6a13282" args="" -->
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#gb5676348e7618b444e28907607660cef">snd_pcm_t</a>* <a class="el" href="structsnd__pcm__ioplug.html#6cbfd539c1bc21ed6429abe1a6a13282">snd_pcm_ioplug::pcm</a>          </td>
 
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PCM handle filled by <a class="el" href="group___p_c_m___ext_plug.html#g57892d908bc602543ad645fcf278d4bc">snd_pcm_extplug_create()</a> 
 
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<a class="anchor" name="87b6e8242c1c5cee78655bdf04dfd5c6"></a><!-- doxytag: member="snd_pcm_ioplug::stream" ref="87b6e8242c1c5cee78655bdf04dfd5c6" args="" -->
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#g854f0966bd0d7248ed3d9e5c293136ed">snd_pcm_stream_t</a> <a class="el" href="structsnd__pcm__ioplug.html#87b6e8242c1c5cee78655bdf04dfd5c6">snd_pcm_ioplug::stream</a>          </td>
 
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stream direcion; read-only 
 
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<a class="anchor" name="56bf2a5f2f42da56924cca0101f05305"></a><!-- doxytag: member="snd_pcm_ioplug::state" ref="56bf2a5f2f42da56924cca0101f05305" args="" -->
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#gd08aecb11dff7aa18f2480f8ab1b72d1">snd_pcm_state_t</a> <a class="el" href="structsnd__pcm__ioplug.html#56bf2a5f2f42da56924cca0101f05305">snd_pcm_ioplug::state</a>          </td>
 
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current PCM state; read-only 
 
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<a class="anchor" name="2a06405865eb7b19aea3130fa64594c8"></a><!-- doxytag: member="snd_pcm_ioplug::appl_ptr" ref="2a06405865eb7b19aea3130fa64594c8" args="" -->
 
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          <td class="memname">volatile <a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> <a class="el" href="structsnd__pcm__ioplug.html#2a06405865eb7b19aea3130fa64594c8">snd_pcm_ioplug::appl_ptr</a>          </td>
 
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application pointer; read-only 
 
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<a class="anchor" name="6b99bb1d265455f7da589cc850444886"></a><!-- doxytag: member="snd_pcm_ioplug::hw_ptr" ref="6b99bb1d265455f7da589cc850444886" args="" -->
 
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          <td class="memname">volatile <a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> <a class="el" href="structsnd__pcm__ioplug.html#6b99bb1d265455f7da589cc850444886">snd_pcm_ioplug::hw_ptr</a>          </td>
 
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hw pointer; read-only 
 
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          <td class="memname">int <a class="el" href="structsnd__pcm__ioplug.html#26a4f0627da2b7259122f542b2b4980a">snd_pcm_ioplug::nonblock</a>          </td>
 
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non-block mode; read-only 
 
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<a class="anchor" name="1ffb95082fcae66dac8eeffe7715779e"></a><!-- doxytag: member="snd_pcm_ioplug::access" ref="1ffb95082fcae66dac8eeffe7715779e" args="" -->
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#gb838921f42075ebe3f8744889a8ecd87">snd_pcm_access_t</a> <a class="el" href="structsnd__pcm__ioplug.html#1ffb95082fcae66dac8eeffe7715779e">snd_pcm_ioplug::access</a>          </td>
 
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access type; filled after hw_params is called 
 
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<a class="anchor" name="197153db868d6337ebf05ee017a03858"></a><!-- doxytag: member="snd_pcm_ioplug::format" ref="197153db868d6337ebf05ee017a03858" args="" -->
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#g5ae31ebbea7972ce97a498040df1839e">snd_pcm_format_t</a> <a class="el" href="structsnd__pcm__ioplug.html#197153db868d6337ebf05ee017a03858">snd_pcm_ioplug::format</a>          </td>
 
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PCM format; filled after hw_params is called 
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#0f00e43e48f66483da3d686d640801e7">snd_pcm_ioplug::channels</a>          </td>
 
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number of channels; filled after hw_params is called 
 
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          <td class="memname">unsigned int <a class="el" href="structsnd__pcm__ioplug.html#8e381bdd1f75a1645640974b95e95ff3">snd_pcm_ioplug::rate</a>          </td>
 
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rate; filled after hw_params is called 
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> <a class="el" href="structsnd__pcm__ioplug.html#bd8e931d6595717df83961a7d629779f">snd_pcm_ioplug::period_size</a>          </td>
 
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period size; filled after hw_params is called 
 
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          <td class="memname"><a class="el" href="group___p_c_m.html#g2c6283616ba424092089264ae7e193e6">snd_pcm_uframes_t</a> <a class="el" href="structsnd__pcm__ioplug.html#c5109f87a1267d8be24ab3b5b8755720">snd_pcm_ioplug::buffer_size</a>          </td>
 
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buffer size; filled after hw_params is called 
 
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</p><hr>The documentation for this struct was generated from the following file:<ul>
 
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<li>/home/alsa/tmp/cvs/alsa-lib/include/<a class="el" href="pcm__ioplug_8h-source.html">pcm_ioplug.h</a></li></ul>
 
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<hr size="1"><address style=""><small>Generated on Wed Sep 9 14:37:09 2009 for ALSA project - the C library reference by&nbsp;
 
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<a href="http://www.doxygen.org/index.html">
 
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
 
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