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<div class="title">snd_pcm_extplug_callback_t Struct Reference<div class="ingroups"><a class="el" href="group___plugin___s_d_k.html">External PCM plugin SDK</a> » <a class="el" href="group___p_c_m___ext_plug.html">External Filter plugin SDK</a></div></div> </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a05d30fcfe8fa57535c6eeadfb062ad8f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___p_c_m.html#ga71cdfa37e258d2210b8bd0216bf0c36c">snd_pcm_sframes_t</a>(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a05d30fcfe8fa57535c6eeadfb062ad8f">transfer</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *dst_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> dst_offset, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *src_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> src_offset, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> size)</td></tr>
<tr class="separator:a05d30fcfe8fa57535c6eeadfb062ad8f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a06f994b29889eae8f00b74248eb254cf"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a06f994b29889eae8f00b74248eb254cf">close</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td></tr>
<tr class="separator:a06f994b29889eae8f00b74248eb254cf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab25bf52043d5e06885b6edcdb8269776"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#ab25bf52043d5e06885b6edcdb8269776">hw_params</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, <a class="el" href="group___p_c_m.html#ga65c737127994f0a980edad744e36dc40">snd_pcm_hw_params_t</a> *params)</td></tr>
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<tr class="memitem:ad4d8fe041ed09e8b855c5ca45cb6899e"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#ad4d8fe041ed09e8b855c5ca45cb6899e">hw_free</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td></tr>
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<tr class="memitem:a14901a03219c050a7980b18fe62265ed"><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a14901a03219c050a7980b18fe62265ed">dump</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, <a class="el" href="group___output.html#ga49729cc6454539495c1f5b6e95cd474a">snd_output_t</a> *out)</td></tr>
<tr class="separator:a14901a03219c050a7980b18fe62265ed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7a12bd150cd2a09922c14e885f5c058b"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a7a12bd150cd2a09922c14e885f5c058b">init</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td></tr>
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<tr class="memitem:a433980d04f76d65305f119915f1f2cc6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsnd__pcm__chmap__query__t.html">snd_pcm_chmap_query_t</a> **(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a433980d04f76d65305f119915f1f2cc6">query_chmaps</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td></tr>
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<tr class="memitem:a6b4c18d63bea69970d88af52ea205f6e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsnd__pcm__chmap__t.html">snd_pcm_chmap_t</a> *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a6b4c18d63bea69970d88af52ea205f6e">get_chmap</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td></tr>
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<tr class="memitem:a6865a675c9aa9632afa8889bd01a578a"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a6865a675c9aa9632afa8889bd01a578a">set_chmap</a> )(<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, const <a class="el" href="structsnd__pcm__chmap__t.html">snd_pcm_chmap_t</a> *map)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Callback table of extplug </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="a06f994b29889eae8f00b74248eb254cf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a06f994b29889eae8f00b74248eb254cf">◆ </a></span>close</h2>
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<td class="memname">int(* snd_pcm_extplug_callback_t::close) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td>
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<p>close the PCM; optional </p>
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<a id="a14901a03219c050a7980b18fe62265ed"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a14901a03219c050a7980b18fe62265ed">◆ </a></span>dump</h2>
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<td class="memname">void(* snd_pcm_extplug_callback_t::dump) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, <a class="el" href="group___output.html#ga49729cc6454539495c1f5b6e95cd474a">snd_output_t</a> *out)</td>
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<p>dump; optional </p>
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<a id="a6b4c18d63bea69970d88af52ea205f6e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6b4c18d63bea69970d88af52ea205f6e">◆ </a></span>get_chmap</h2>
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<td class="memname"><a class="el" href="structsnd__pcm__chmap__t.html">snd_pcm_chmap_t</a>*(* snd_pcm_extplug_callback_t::get_chmap) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td>
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<p>get the channel map; optional; since v1.0.2 </p>
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<a id="ad4d8fe041ed09e8b855c5ca45cb6899e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad4d8fe041ed09e8b855c5ca45cb6899e">◆ </a></span>hw_free</h2>
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<td class="memname">int(* snd_pcm_extplug_callback_t::hw_free) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td>
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<p>hw_free; optional </p>
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<a id="ab25bf52043d5e06885b6edcdb8269776"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab25bf52043d5e06885b6edcdb8269776">◆ </a></span>hw_params</h2>
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<td class="memname">int(* snd_pcm_extplug_callback_t::hw_params) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, <a class="el" href="group___p_c_m.html#ga65c737127994f0a980edad744e36dc40">snd_pcm_hw_params_t</a> *params)</td>
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<p>hw_params; optional </p>
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<a id="a7a12bd150cd2a09922c14e885f5c058b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7a12bd150cd2a09922c14e885f5c058b">◆ </a></span>init</h2>
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<td class="memname">int(* snd_pcm_extplug_callback_t::init) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td>
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<p>init; optional initialization called at prepare or reset </p>
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<a id="a433980d04f76d65305f119915f1f2cc6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a433980d04f76d65305f119915f1f2cc6">◆ </a></span>query_chmaps</h2>
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<td class="memname"><a class="el" href="structsnd__pcm__chmap__query__t.html">snd_pcm_chmap_query_t</a>**(* snd_pcm_extplug_callback_t::query_chmaps) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext)</td>
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<p>query the channel maps; optional; since v1.0.2 </p>
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<a id="a6865a675c9aa9632afa8889bd01a578a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6865a675c9aa9632afa8889bd01a578a">◆ </a></span>set_chmap</h2>
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<td class="memname">int(* snd_pcm_extplug_callback_t::set_chmap) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, const <a class="el" href="structsnd__pcm__chmap__t.html">snd_pcm_chmap_t</a> *map)</td>
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<p>set the channel map; optional; since v1.0.2 </p>
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<a id="a05d30fcfe8fa57535c6eeadfb062ad8f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a05d30fcfe8fa57535c6eeadfb062ad8f">◆ </a></span>transfer</h2>
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<td class="memname"><a class="el" href="group___p_c_m.html#ga71cdfa37e258d2210b8bd0216bf0c36c">snd_pcm_sframes_t</a>(* snd_pcm_extplug_callback_t::transfer) (<a class="el" href="group___p_c_m___ext_plug.html#gaeddcbb8005ccafb008a75283d5d9e551">snd_pcm_extplug_t</a> *ext, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *dst_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> dst_offset, const <a class="el" href="structsnd__pcm__channel__area__t.html">snd_pcm_channel_area_t</a> *src_areas, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> src_offset, <a class="el" href="group___p_c_m.html#gab01fcfe9b97382a8d3f2027c664b8b8a">snd_pcm_uframes_t</a> size)</td>
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<p>transfer between source and destination; this is a required callback </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="pcm__extplug_8h_source.html">pcm_extplug.h</a></li>
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