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<h1>/builddir/build/BUILD/alsa-lib-1.0.17a/include/control_external.h File Reference</h1>External control plugin SDK. <a href="#_details">More...</a>
<p>
<p>
<a href="control__external_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext.html">snd_ctl_ext</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a></td></tr>
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g29fa93ad29fcaa07da4998b620ca40ce">SND_CTL_PLUGIN_ENTRY</a>(name) _snd_ctl_##name##_open</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g42210f67f0c03da5ba6d4926583c69d1">SND_CTL_PLUGIN_SYMBOL</a>(name) SND_DLSYM_BUILD_VERSION(SND_CTL_PLUGIN_ENTRY(name), SND_CONTROL_DLSYM_VERSION);</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#gb81c072a654d3971e01b992cf4b51ead">SND_CTL_PLUGIN_DEFINE_FUNC</a>(plugin)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g6ee2825f1adc44d2927995fd889fa505">SND_CTL_EXT_VERSION_MAJOR</a> 1</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g96eff63af06ae7109f7905dfc8575fcb">SND_CTL_EXT_VERSION_MINOR</a> 0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g773cf026dc0c23feb8f0c57b123367bf">SND_CTL_EXT_VERSION_TINY</a> 0</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g82b6f507e093f686c3261c30c34896a9">SND_CTL_EXT_VERSION</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g92b5db8222906adccdcf08ae025d67a6">SND_CTL_EXT_KEY_NOT_FOUND</a> (<a class="el" href="group___ctl_plugin___s_d_k.html#ga85bb87a30aab0d664cbef955c72f910">snd_ctl_ext_key_t</a>)(-1)</td></tr>
<tr><td colspan="2"><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="structsnd__ctl__ext.html">snd_ctl_ext</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g7e3f7f7dc03591d448c47f9da16c5ba6">snd_ctl_ext_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#ge54bd3ef94a4cea3a3a7f6f1cdf4fe93">snd_ctl_ext_callback_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#ga85bb87a30aab0d664cbef955c72f910">snd_ctl_ext_key_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef enum <a class="el" href="group___ctl_plugin___s_d_k.html#gb8078565aac9d4bf9900c48461153dfe">snd_ctl_ext_access</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#g0949450acacc5c7f61b1e530d175ab0f">snd_ctl_ext_access_t</a></td></tr>
<tr><td colspan="2"><br><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#gb8078565aac9d4bf9900c48461153dfe">snd_ctl_ext_access</a> { <br>
<b>SND_CTL_EXT_ACCESS_READ</b> = (1<<0),
<b>SND_CTL_EXT_ACCESS_WRITE</b> = (1<<1),
<b>SND_CTL_EXT_ACCESS_READWRITE</b> = (3<<0),
<b>SND_CTL_EXT_ACCESS_VOLATILE</b> = (1<<2),
<br>
<b>SND_CTL_EXT_ACCESS_INACTIVE</b> = (1<<8)
<br>
}</td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#gec4dfef098c1535fc68de820a45999be">snd_ctl_ext_create</a> (<a class="el" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, const char *name, int mode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an external control plugin instance. <a href="group___ctl_plugin___s_d_k.html#gec4dfef098c1535fc68de820a45999be"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___ctl_plugin___s_d_k.html#gf2ccd6384200f8b9ddbb910396c11bc9">snd_ctl_ext_delete</a> (<a class="el" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete the external control plugin. <a href="group___ctl_plugin___s_d_k.html#gf2ccd6384200f8b9ddbb910396c11bc9"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
External control plugin SDK.
<p>
<dl compact><dt><b>Author:</b></dt><dd>Takashi Iwai <<a href="mailto:tiwai@suse.de">tiwai@suse.de</a>> </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2005</dd></dl>
External control plugin SDK. <hr size="1"><address style="align: right;"><small>Generated on Tue Jan 20 22:42:09 2009 for ALSA project - the C library reference by
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