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<title>ALSA project - the C library reference: /home/qateam/rpm/BUILD/alsa-lib-1.0.23/include/pcm_ioplug.h File Reference</title>
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<h1>/home/qateam/rpm/BUILD/alsa-lib-1.0.23/include/pcm_ioplug.h File Reference</h1>
<p>External I/O-Plugin SDK.
<a href="#_details">More...</a></p>
<p><a href="pcm__ioplug_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug.html">snd_pcm_ioplug_t</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__ioplug__callback.html">snd_pcm_ioplug_callback_t</a></td></tr>
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga435c57838f97c24b7274a9596ccbe3b6">SND_PCM_IOPLUG_FLAG_LISTED</a> (1<<0)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gad5c0b67e4d9b7be96f1083179e95f38a">SND_PCM_IOPLUG_FLAG_MONOTONIC</a> (1<<1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga46f4111ec394e6c4209a4e1b5f99a9f7">SND_PCM_IOPLUG_VERSION_MAJOR</a> 1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga49ea8946ea0c9b2655b70afb03ed79bd">SND_PCM_IOPLUG_VERSION_MINOR</a> 0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gabe46103216aa58afc3c4bc314dd1bbc6">SND_PCM_IOPLUG_VERSION_TINY</a> 1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga81a2273c4df9be29d91e6e2a0860d991">SND_PCM_IOPLUG_VERSION</a></td></tr>
<tr><td colspan="2"><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom">{ <br/>
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635adf64bb9d9a7f95f878e8bb22e003c357">SND_PCM_IOPLUG_HW_ACCESS</a> = 0,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635aa7186fa6ab3791611363c83f725f1a57">SND_PCM_IOPLUG_HW_FORMAT</a>,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635a5cb59832a513d2b87166000d3f4035e2">SND_PCM_IOPLUG_HW_CHANNELS</a>,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635a43827c9773bc5c40a1643bd8f930c8d1">SND_PCM_IOPLUG_HW_RATE</a>,
<br/>
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635aafe12ebbe6f618aa75cc7c5d64d45eda">SND_PCM_IOPLUG_HW_PERIOD_BYTES</a>,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635a004f7b7af23b37d30d520777158e8277">SND_PCM_IOPLUG_HW_BUFFER_BYTES</a>,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635a1f68c89ac11ae9fe28710cee044a0b94">SND_PCM_IOPLUG_HW_PERIODS</a>,
<a class="el" href="group___p_c_m___i_o_plug.html#gga726ca809ffd3d67ab4b8476646f26635ab024a119736127e7a606c75e57d34585">SND_PCM_IOPLUG_HW_PARAMS</a>
<br/>
}</td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga7fb5213a5e776246e2b4dc53ec8d7604">snd_pcm_ioplug_create</a> (snd_pcm_ioplug_t *io, const char *name, <a class="el" href="group___p_c_m.html#gac23b43ff55add78638e503b9cc892c24">snd_pcm_stream_t</a> stream, int mode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an ioplug instance. <a href="group___p_c_m___i_o_plug.html#ga7fb5213a5e776246e2b4dc53ec8d7604"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga286ec116983166de889f0268a2c666ef">snd_pcm_ioplug_delete</a> (snd_pcm_ioplug_t *io)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete the ioplug instance. <a href="group___p_c_m___i_o_plug.html#ga286ec116983166de889f0268a2c666ef"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gab223893226ecf78f675c89959a8c421a">snd_pcm_ioplug_reinit_status</a> (snd_pcm_ioplug_t *ioplug)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reinitialize the poll and mmap status. <a href="group___p_c_m___i_o_plug.html#gab223893226ecf78f675c89959a8c421a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gac3b666ff286745c9eb24de3e3930970a">snd_pcm_ioplug_mmap_areas</a> (snd_pcm_ioplug_t *ioplug)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get mmap area of ioplug. <a href="group___p_c_m___i_o_plug.html#gac3b666ff286745c9eb24de3e3930970a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gad74355dfaa56fae80d49181c83eeecc4">snd_pcm_ioplug_params_reset</a> (snd_pcm_ioplug_t *io)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reset ioplug parameters. <a href="group___p_c_m___i_o_plug.html#gad74355dfaa56fae80d49181c83eeecc4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#gab62d470b02661214319196394b55fb37">snd_pcm_ioplug_set_param_minmax</a> (snd_pcm_ioplug_t *io, int type, unsigned int min, unsigned int max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set parameter as the min/max values. <a href="group___p_c_m___i_o_plug.html#gab62d470b02661214319196394b55fb37"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga7d713552fb846ccdf4b7ec6a9fc1b562">snd_pcm_ioplug_set_param_list</a> (snd_pcm_ioplug_t *io, int type, unsigned int num_list, const unsigned int *list)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set parameter as the list. <a href="group___p_c_m___i_o_plug.html#ga7d713552fb846ccdf4b7ec6a9fc1b562"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___i_o_plug.html#ga65feed7caf26f07aad0c722fc61fe751">snd_pcm_ioplug_set_state</a> (snd_pcm_ioplug_t *ioplug, <a class="el" href="group___p_c_m.html#ga61ac499cb3701ce536d4d83725908860">snd_pcm_state_t</a> state)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Change the ioplug PCM status. <a href="group___p_c_m___i_o_plug.html#ga65feed7caf26f07aad0c722fc61fe751"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>External I/O-Plugin SDK. </p>
<dl class="author"><dt><b>Author:</b></dt><dd>Takashi Iwai <<a href="mailto:tiwai@suse.de">tiwai@suse.de</a>> </dd></dl>
<dl class="date"><dt><b>Date:</b></dt><dd>2005</dd></dl>
<p>External I/O-Plugin SDK </p>
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