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<div class="title">snd_pcm_extplug_callback_t Struct Reference<div class="ingroups"><a class="el" href="group___p_c_m___ext_plug.html">External Filter plugin SDK</a></div></div> </div>
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Data Fields</h2></td></tr>
<tr class="memitem:a5c1c8cb34f5c1df7af6141362f473091"><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#a5c1c8cb34f5c1df7af6141362f473091">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:a5c1c8cb34f5c1df7af6141362f473091"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7e26f4025337be9d0b36e9e248ba92ae"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a7e26f4025337be9d0b36e9e248ba92ae">close</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:a7215432f6873a74e5f24da0817a3bbae"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a7215432f6873a74e5f24da0817a3bbae">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>
<tr class="separator:a7215432f6873a74e5f24da0817a3bbae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad24a08d2400288d5e708a6886b8be50f"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#ad24a08d2400288d5e708a6886b8be50f">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:a6532c068bce5dc458d8fd0a9e45284d2"><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a6532c068bce5dc458d8fd0a9e45284d2">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>
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<tr class="memitem:a75b2bd7ec54d8617c16dd2842b9d4bfe"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#a75b2bd7ec54d8617c16dd2842b9d4bfe">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:a9da94c36eff7423b5832b334fd548ce0"><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#a9da94c36eff7423b5832b334fd548ce0">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:a874d6cd1e6b03186ba5a5f67f3cb8035"><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#a874d6cd1e6b03186ba5a5f67f3cb8035">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:af8010a0bb8ca40026ee2bd2a0c36b78f"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structsnd__pcm__extplug__callback.html#af8010a0bb8ca40026ee2bd2a0c36b78f">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>
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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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<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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<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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<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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<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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<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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<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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<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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<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>/home/iurt/rpmbuild/BUILD/alsa-lib-1.0.28/include/<a class="el" href="pcm__extplug_8h_source.html">pcm_extplug.h</a></li>
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