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<h1>Simple Mixer Interface<br/>
<small>
[<a class="el" href="group___mixer.html">Mixer Interface</a>]</small>
</h1><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__mixer__selem__regopt.html">snd_mixer_selem_regopt</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___simple_mixer.html#gae97a5b8fbc068632409e1459a9476222">snd_mixer_selem_id_alloca</a>(ptr)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate an invalid <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> using standard alloca <a href="#gae97a5b8fbc068632409e1459a9476222"></a><br/></td></tr>
<tr><td colspan="2"><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef struct _snd_mixer_selem_id </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</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"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> { <br/>
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97a91369fd97c7cb996647c1993136b70ff">SND_MIXER_SCHN_UNKNOWN</a> = -1,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97afabaaa694a14ab17e1c03ed0a4ff6f43">SND_MIXER_SCHN_FRONT_LEFT</a> = 0,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97ab9310897c48a0aa06c822d92970b77a7">SND_MIXER_SCHN_FRONT_RIGHT</a>,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97ad72538d298df9240b9b776f7019e9c2d">SND_MIXER_SCHN_REAR_LEFT</a>,
<br/>
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97afa66c007bd5deda0b6acb7516c483c62">SND_MIXER_SCHN_REAR_RIGHT</a>,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97a796f68400623ee579ce3d0a913d7ffbd">SND_MIXER_SCHN_FRONT_CENTER</a>,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97ae8b2cde33cdb6ba8b7a2f58a69d37e19">SND_MIXER_SCHN_WOOFER</a>,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97aa50f3dbd34b82d2634c0dba82a85080d">SND_MIXER_SCHN_SIDE_LEFT</a>,
<br/>
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97ae95813ea4f45d4fb8c3827adc7d36e7b">SND_MIXER_SCHN_SIDE_RIGHT</a>,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97a709e466b14161e3aba70717b2fc528bd">SND_MIXER_SCHN_REAR_CENTER</a>,
<b>SND_MIXER_SCHN_LAST</b> = 31,
<a class="el" href="group___simple_mixer.html#ggaf01a92f33cc46d0b3878d65afcc41b97a6f894eb8b9532977e29e99122e995833">SND_MIXER_SCHN_MONO</a> = SND_MIXER_SCHN_FRONT_LEFT
<br/>
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gab7031d53c3876396c9880631813979c2">snd_mixer_selem_regopt_abstract</a> { <a class="el" href="group___simple_mixer.html#ggab7031d53c3876396c9880631813979c2a807967c1a34b191d53eb65fe4a6f656c">SND_MIXER_SABSTRACT_NONE</a> = 0,
<a class="el" href="group___simple_mixer.html#ggab7031d53c3876396c9880631813979c2a71c3a86bbb0514b4c5c488741dec000a">SND_MIXER_SABSTRACT_BASIC</a>
}</td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga37ae8c6874d975efa83a9074a28113b9">snd_mixer_selem_channel_name</a> (<a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return name of mixer simple element channel. <a href="#ga37ae8c6874d975efa83a9074a28113b9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gadd686db0b7d2bba9a88112b732b147d0">snd_mixer_selem_register</a> (<a class="el" href="group___mixer.html#ga34161447bc01a64f578456ed13d57e33">snd_mixer_t</a> *mixer, struct <a class="el" href="structsnd__mixer__selem__regopt.html">snd_mixer_selem_regopt</a> *options, <a class="el" href="group___mixer.html#ga51c7b205d5afc62342d9dec3ce54d11f">snd_mixer_class_t</a> **classp)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Register mixer simple element class. <a href="#gadd686db0b7d2bba9a88112b732b147d0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga02aba43d5ae75392b6344c7f8f92fe72">snd_mixer_selem_get_id</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *element, <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get mixer simple element identifier. <a href="#ga02aba43d5ae75392b6344c7f8f92fe72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga51329fb3fea12d50209fcf8ebf542492">snd_mixer_selem_get_name</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get name part of mixer simple element identifier. <a href="#ga51329fb3fea12d50209fcf8ebf542492"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga11a14cd0d589033d49647d27e12b9cc1">snd_mixer_selem_get_index</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get index part of mixer simple element identifier. <a href="#ga11a14cd0d589033d49647d27e12b9cc1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gad9b0c9a6d7956f95132aa42857d962cb">snd_mixer_find_selem</a> (<a class="el" href="group___mixer.html#ga34161447bc01a64f578456ed13d57e33">snd_mixer_t</a> *mixer, const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Find a mixer simple element. <a href="#gad9b0c9a6d7956f95132aa42857d962cb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga41eb6c6d7a237dc617115ba4ba91ffbd">snd_mixer_selem_is_active</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get info about the active state of a mixer simple element. <a href="#ga41eb6c6d7a237dc617115ba4ba91ffbd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gacdc9e474bb45ca6759a2f9ea878bc1a4">snd_mixer_selem_is_playback_mono</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get info about channels of playback stream of a mixer simple element. <a href="#gacdc9e474bb45ca6759a2f9ea878bc1a4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga621b34fc2c4f47a28fb9b34a3dd820e7">snd_mixer_selem_has_playback_channel</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *obj, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get info about channels of playback stream of a mixer simple element. <a href="#ga621b34fc2c4f47a28fb9b34a3dd820e7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gadc4c2179abd18d7c587cc199bb8e9273">snd_mixer_selem_is_capture_mono</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get info about channels of capture stream of a mixer simple element. <a href="#gadc4c2179abd18d7c587cc199bb8e9273"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gac05de257374bae60c03ba033344f811e">snd_mixer_selem_has_capture_channel</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *obj, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get info about channels of capture stream of a mixer simple element. <a href="#gac05de257374bae60c03ba033344f811e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gae75b0133e7beba016589259b30cf8e7b">snd_mixer_selem_get_capture_group</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture switch control of a mixer simple element. <a href="#gae75b0133e7beba016589259b30cf8e7b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga08c4099ef62508d5ae7f13bd6affd5a5">snd_mixer_selem_has_common_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if mixer simple element has only one volume control for both playback and capture. <a href="#ga08c4099ef62508d5ae7f13bd6affd5a5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga17468934f36929ae2f7af4850f40f851">snd_mixer_selem_has_playback_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about playback volume control of a mixer simple element. <a href="#ga17468934f36929ae2f7af4850f40f851"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gaf39321d4b7bb2efac3a3af357e42c6eb">snd_mixer_selem_has_playback_volume_joined</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about playback volume control of a mixer simple element. <a href="#gaf39321d4b7bb2efac3a3af357e42c6eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga095d73eab22ef19cabed8732ffc44a7b">snd_mixer_selem_has_capture_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture volume control of a mixer simple element. <a href="#ga095d73eab22ef19cabed8732ffc44a7b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga1646edce83681e786da2f1a6befaf113">snd_mixer_selem_has_capture_volume_joined</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture volume control of a mixer simple element. <a href="#ga1646edce83681e786da2f1a6befaf113"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga468e0188282093c377776683bcea20d4">snd_mixer_selem_has_common_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if mixer simple element has only one switch control for both playback and capture. <a href="#ga468e0188282093c377776683bcea20d4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga4efd34d5ccb384e8db4291bd3aad0760">snd_mixer_selem_has_playback_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about playback switch control existence of a mixer simple element. <a href="#ga4efd34d5ccb384e8db4291bd3aad0760"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga162fa35b3cc76e67c14482a2f6b734c1">snd_mixer_selem_has_playback_switch_joined</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about playback switch control of a mixer simple element. <a href="#ga162fa35b3cc76e67c14482a2f6b734c1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga6761e23f215d3d048c729a22cfdd952a">snd_mixer_selem_has_capture_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture switch control existence of a mixer simple element. <a href="#ga6761e23f215d3d048c729a22cfdd952a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga14a6a278ef91593d3c6fc53007627d25">snd_mixer_selem_has_capture_switch_joined</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture switch control of a mixer simple element. <a href="#ga14a6a278ef91593d3c6fc53007627d25"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga1ad2e8afe6f5ad7857b0bdc70048d44d">snd_mixer_selem_has_capture_switch_exclusive</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return info about capture switch control of a mixer simple element. <a href="#ga1ad2e8afe6f5ad7857b0bdc70048d44d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gac8e2c7d0555f58ec790443da87ecbae3">snd_mixer_selem_ask_playback_vol_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value, long *dBvalue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return corresponding dB value to an integer playback volume for a mixer simple element. <a href="#gac8e2c7d0555f58ec790443da87ecbae3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga87dcbf4b28ba67c8a07cdd79231b9942">snd_mixer_selem_ask_capture_vol_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value, long *dBvalue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return corresponding dB value to an integer capture volume for a mixer simple element. <a href="#ga87dcbf4b28ba67c8a07cdd79231b9942"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga3bf17ce7cb933fa69973cb69ca079f13">snd_mixer_selem_ask_playback_dB_vol</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long dBvalue, int dir, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return corresponding integer playback volume for given dB value for a mixer simple element. <a href="#ga3bf17ce7cb933fa69973cb69ca079f13"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga40141aa00e0839bdfa8398b5aac1a0a6">snd_mixer_selem_ask_capture_dB_vol</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long dBvalue, int dir, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return corresponding integer capture volume for given dB value for a mixer simple element. <a href="#ga40141aa00e0839bdfa8398b5aac1a0a6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga12f6f4124bf45db95f965298c2f318bb">snd_mixer_selem_get_playback_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of playback volume control of a mixer simple element. <a href="#ga12f6f4124bf45db95f965298c2f318bb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga3b15557f590f136735a4abee96cf28fd">snd_mixer_selem_get_capture_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of capture volume control of a mixer simple element. <a href="#ga3b15557f590f136735a4abee96cf28fd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga6b5799e7971688e1f2e9ccf977c8a887">snd_mixer_selem_get_playback_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of playback volume in dB control of a mixer simple element. <a href="#ga6b5799e7971688e1f2e9ccf977c8a887"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga27bf2c4bd591bcf61b3fe20353bac8da">snd_mixer_selem_get_capture_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of capture volume in dB control of a mixer simple element. <a href="#ga27bf2c4bd591bcf61b3fe20353bac8da"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga55a4f32e711efe4ef09cf041d9fc27f0">snd_mixer_selem_get_playback_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, int *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of playback switch control of a mixer simple element. <a href="#ga55a4f32e711efe4ef09cf041d9fc27f0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga49f4c3b98ef2353cdaa582e5bf3417a1">snd_mixer_selem_get_capture_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, int *value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return value of capture switch control of a mixer simple element. <a href="#ga49f4c3b98ef2353cdaa582e5bf3417a1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga1e4556740beefc8bed40677a316e60ac">snd_mixer_selem_set_playback_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of playback volume control of a mixer simple element. <a href="#ga1e4556740beefc8bed40677a316e60ac"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga8aa6b212e1e092e5d67ff11070a433ad">snd_mixer_selem_set_capture_volume</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of capture volume control of a mixer simple element. <a href="#ga8aa6b212e1e092e5d67ff11070a433ad"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga8bfb52575e4bb06deb30799bc39c0768">snd_mixer_selem_set_playback_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long value, int dir)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value in dB of playback volume control of a mixer simple element. <a href="#ga8bfb52575e4bb06deb30799bc39c0768"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gac1af2ccb94c19e7f616338791707c2eb">snd_mixer_selem_set_capture_dB</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, long value, int dir)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value in dB of capture volume control of a mixer simple element. <a href="#gac1af2ccb94c19e7f616338791707c2eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga2567351a2a7a70e6dda81f5ccc38d04b">snd_mixer_selem_set_playback_volume_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of playback volume control for all channels of a mixer simple element. <a href="#ga2567351a2a7a70e6dda81f5ccc38d04b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga0e6e40f799c9a4042444a4e26194d451">snd_mixer_selem_set_capture_volume_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of capture volume control for all channels of a mixer simple element. <a href="#ga0e6e40f799c9a4042444a4e26194d451"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga555df8c54f170ebe7f389eb7a8d04cc9">snd_mixer_selem_set_playback_dB_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value, int dir)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value in dB of playback volume control for all channels of a mixer simple element. <a href="#ga555df8c54f170ebe7f389eb7a8d04cc9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga395321949ec6444ca4590f0ca3eac6b0">snd_mixer_selem_set_capture_dB_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long value, int dir)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value in dB of capture volume control for all channels of a mixer simple element. <a href="#ga395321949ec6444ca4590f0ca3eac6b0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga1a9b7c48b94d8cbeffc6847f3b884dcc">snd_mixer_selem_set_playback_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, int value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of playback switch control of a mixer simple element. <a href="#ga1a9b7c48b94d8cbeffc6847f3b884dcc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga3de8f16807b23cdf9399f86a5eb3a353">snd_mixer_selem_set_capture_switch</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, int value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of capture switch control of a mixer simple element. <a href="#ga3de8f16807b23cdf9399f86a5eb3a353"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gaa3e28640247b4eef389269b92f5b4a9d">snd_mixer_selem_set_playback_switch_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, int value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of playback switch control for all channels of a mixer simple element. <a href="#gaa3e28640247b4eef389269b92f5b4a9d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gad43024c7d21c38cde7b440cdc6a85c07">snd_mixer_selem_set_capture_switch_all</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, int value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set value of capture switch control for all channels of a mixer simple element. <a href="#gad43024c7d21c38cde7b440cdc6a85c07"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga09557e90c11fbd37aeed30938338698b">snd_mixer_selem_get_playback_volume_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long *min, long *max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get range for playback volume of a mixer simple element. <a href="#ga09557e90c11fbd37aeed30938338698b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gad874cffabe541956b610858bcb38ba59">snd_mixer_selem_get_playback_dB_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long *min, long *max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get range in dB for playback volume of a mixer simple element. <a href="#gad874cffabe541956b610858bcb38ba59"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gaf4b095372a07bcdf769d74fa73c803d5">snd_mixer_selem_set_playback_volume_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long min, long max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set range for playback volume of a mixer simple element. <a href="#gaf4b095372a07bcdf769d74fa73c803d5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga95e2624e7aaa7624e89121ce3f63b9dd">snd_mixer_selem_get_capture_volume_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long *min, long *max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get range for capture volume of a mixer simple element. <a href="#ga95e2624e7aaa7624e89121ce3f63b9dd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga332241fcda7a9364b4d7830b592ba6a5">snd_mixer_selem_get_capture_dB_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long *min, long *max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get range in dB for capture volume of a mixer simple element. <a href="#ga332241fcda7a9364b4d7830b592ba6a5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga608663233daecd6b373aba808f5fc427">snd_mixer_selem_set_capture_volume_range</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, long min, long max)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set range for capture volume of a mixer simple element. <a href="#ga608663233daecd6b373aba808f5fc427"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gab367abc11dae3681978c2f831afd1e37">snd_mixer_selem_is_enumerated</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if mixer simple element is an enumerated control. <a href="#gab367abc11dae3681978c2f831afd1e37"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gaed68ad405d2c2e9447e2fa1d4f5d1107">snd_mixer_selem_is_enum_playback</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if mixer simple enumerated element belongs to the playback direction. <a href="#gaed68ad405d2c2e9447e2fa1d4f5d1107"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga90c5c5c0428fd0d6722c5a84348a39b0">snd_mixer_selem_is_enum_capture</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return true if mixer simple enumerated element belongs to the capture direction. <a href="#ga90c5c5c0428fd0d6722c5a84348a39b0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gab803bca4a9c322e1efe87950b62431b3">snd_mixer_selem_get_enum_items</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the number of enumerated items of the given mixer simple element. <a href="#gab803bca4a9c322e1efe87950b62431b3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gacbae7ca76dc02dd172c80f8f704dd8c9">snd_mixer_selem_get_enum_item_name</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, unsigned int idx, size_t maxlen, char *str)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the enumerated item string for the given mixer simple element <a href="#gacbae7ca76dc02dd172c80f8f704dd8c9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga6679dc52033e29b88da32f5bbd45f205">snd_mixer_selem_get_enum_item</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, unsigned int *idxp)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the current selected enumerated item for the given mixer simple element <a href="#ga6679dc52033e29b88da32f5bbd45f205"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gadcba6291c0382676ee442311c0ff1a8f">snd_mixer_selem_set_enum_item</a> (<a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> *elem, <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> channel, unsigned int idx)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set the current selected enumerated item for the given mixer simple element <a href="#gadcba6291c0382676ee442311c0ff1a8f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga29705a6b18fe910d2b7aeb98531d5056">snd_mixer_selem_id_sizeof</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get size of <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> <a href="#ga29705a6b18fe910d2b7aeb98531d5056"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gac48d80bc60d03959c43a3ec6caca8498">snd_mixer_selem_id_malloc</a> (<a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> **ptr)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">allocate an invalid <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> using standard malloc <a href="#gac48d80bc60d03959c43a3ec6caca8498"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga2a6f790706e3ed64e1fb0f61177d13c5">snd_mixer_selem_id_free</a> (<a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">frees a previously allocated <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> <a href="#ga2a6f790706e3ed64e1fb0f61177d13c5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga089d6e51b1b92fb51ff2cb771071a169">snd_mixer_selem_id_copy</a> (<a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *dst, const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">copy one <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> to another <a href="#ga089d6e51b1b92fb51ff2cb771071a169"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gae54797dd9e4382d67718899047fa1087">snd_mixer_selem_id_get_name</a> (const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get name part of a mixer simple element identifier. <a href="#gae54797dd9e4382d67718899047fa1087"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gabe5105469fa31b85a52253e709733638">snd_mixer_selem_id_get_index</a> (const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get index part of a mixer simple element identifier. <a href="#gabe5105469fa31b85a52253e709733638"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#gad127341c44087525e1c715044d7a3919">snd_mixer_selem_id_set_name</a> (<a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *obj, const char *val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set name part of a mixer simple element identifier. <a href="#gad127341c44087525e1c715044d7a3919"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___simple_mixer.html#ga02bf0b9758ed4146eec38cd964b7621d">snd_mixer_selem_id_set_index</a> (<a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> *obj, unsigned int val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set index part of a mixer simple element identifier. <a href="#ga02bf0b9758ed4146eec38cd964b7621d"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>The simple mixer interface. </p>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="gae97a5b8fbc068632409e1459a9476222"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_alloca" ref="gae97a5b8fbc068632409e1459a9476222" args="(ptr)" -->
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<td class="memname">#define snd_mixer_selem_id_alloca</td>
<td>(</td>
<td class="paramtype">ptr </td>
<td class="paramname"></td>
<td> ) </td>
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<div class="memdoc">
<p>allocate an invalid <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> using standard alloca </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ptr</em> </td><td>returned pointer </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="gac0bfc2b9efcbc308df2daad92983e2ee"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_t" ref="gac0bfc2b9efcbc308df2daad92983e2ee" args="" -->
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<td class="memname">typedef struct _snd_mixer_selem_id <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a></td>
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<p>Mixer simple element identifier </p>
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</div>
<hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="gaf01a92f33cc46d0b3878d65afcc41b97"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_channel_id_t" ref="gaf01a92f33cc46d0b3878d65afcc41b97" args="" -->
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<td class="memname">enum <a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a></td>
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<div class="memdoc">
<p>Mixer simple element channel identifier </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97a91369fd97c7cb996647c1993136b70ff"></a><!-- doxytag: member="SND_MIXER_SCHN_UNKNOWN" ref="ggaf01a92f33cc46d0b3878d65afcc41b97a91369fd97c7cb996647c1993136b70ff" args="" -->SND_MIXER_SCHN_UNKNOWN</em> </td><td>
<p>Unknown </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97afabaaa694a14ab17e1c03ed0a4ff6f43"></a><!-- doxytag: member="SND_MIXER_SCHN_FRONT_LEFT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97afabaaa694a14ab17e1c03ed0a4ff6f43" args="" -->SND_MIXER_SCHN_FRONT_LEFT</em> </td><td>
<p>Front left </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97ab9310897c48a0aa06c822d92970b77a7"></a><!-- doxytag: member="SND_MIXER_SCHN_FRONT_RIGHT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97ab9310897c48a0aa06c822d92970b77a7" args="" -->SND_MIXER_SCHN_FRONT_RIGHT</em> </td><td>
<p>Front right </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97ad72538d298df9240b9b776f7019e9c2d"></a><!-- doxytag: member="SND_MIXER_SCHN_REAR_LEFT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97ad72538d298df9240b9b776f7019e9c2d" args="" -->SND_MIXER_SCHN_REAR_LEFT</em> </td><td>
<p>Rear left </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97afa66c007bd5deda0b6acb7516c483c62"></a><!-- doxytag: member="SND_MIXER_SCHN_REAR_RIGHT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97afa66c007bd5deda0b6acb7516c483c62" args="" -->SND_MIXER_SCHN_REAR_RIGHT</em> </td><td>
<p>Rear right </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97a796f68400623ee579ce3d0a913d7ffbd"></a><!-- doxytag: member="SND_MIXER_SCHN_FRONT_CENTER" ref="ggaf01a92f33cc46d0b3878d65afcc41b97a796f68400623ee579ce3d0a913d7ffbd" args="" -->SND_MIXER_SCHN_FRONT_CENTER</em> </td><td>
<p>Front center </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97ae8b2cde33cdb6ba8b7a2f58a69d37e19"></a><!-- doxytag: member="SND_MIXER_SCHN_WOOFER" ref="ggaf01a92f33cc46d0b3878d65afcc41b97ae8b2cde33cdb6ba8b7a2f58a69d37e19" args="" -->SND_MIXER_SCHN_WOOFER</em> </td><td>
<p>Woofer </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97aa50f3dbd34b82d2634c0dba82a85080d"></a><!-- doxytag: member="SND_MIXER_SCHN_SIDE_LEFT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97aa50f3dbd34b82d2634c0dba82a85080d" args="" -->SND_MIXER_SCHN_SIDE_LEFT</em> </td><td>
<p>Side Left </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97ae95813ea4f45d4fb8c3827adc7d36e7b"></a><!-- doxytag: member="SND_MIXER_SCHN_SIDE_RIGHT" ref="ggaf01a92f33cc46d0b3878d65afcc41b97ae95813ea4f45d4fb8c3827adc7d36e7b" args="" -->SND_MIXER_SCHN_SIDE_RIGHT</em> </td><td>
<p>Side Right </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97a709e466b14161e3aba70717b2fc528bd"></a><!-- doxytag: member="SND_MIXER_SCHN_REAR_CENTER" ref="ggaf01a92f33cc46d0b3878d65afcc41b97a709e466b14161e3aba70717b2fc528bd" args="" -->SND_MIXER_SCHN_REAR_CENTER</em> </td><td>
<p>Rear Center </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaf01a92f33cc46d0b3878d65afcc41b97a6f894eb8b9532977e29e99122e995833"></a><!-- doxytag: member="SND_MIXER_SCHN_MONO" ref="ggaf01a92f33cc46d0b3878d65afcc41b97a6f894eb8b9532977e29e99122e995833" args="" -->SND_MIXER_SCHN_MONO</em> </td><td>
<p>Mono (Front left alias) </p>
</td></tr>
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</dd>
</dl>
</div>
</div>
<a class="anchor" id="gab7031d53c3876396c9880631813979c2"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_regopt_abstract" ref="gab7031d53c3876396c9880631813979c2" args="" -->
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<td class="memname">enum <a class="el" href="group___simple_mixer.html#gab7031d53c3876396c9880631813979c2">snd_mixer_selem_regopt_abstract</a></td>
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<div class="memdoc">
<p>Mixer simple element - register options - abstraction level </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggab7031d53c3876396c9880631813979c2a807967c1a34b191d53eb65fe4a6f656c"></a><!-- doxytag: member="SND_MIXER_SABSTRACT_NONE" ref="ggab7031d53c3876396c9880631813979c2a807967c1a34b191d53eb65fe4a6f656c" args="" -->SND_MIXER_SABSTRACT_NONE</em> </td><td>
<p>no abstraction - try use all universal controls from driver </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggab7031d53c3876396c9880631813979c2a71c3a86bbb0514b4c5c488741dec000a"></a><!-- doxytag: member="SND_MIXER_SABSTRACT_BASIC" ref="ggab7031d53c3876396c9880631813979c2a71c3a86bbb0514b4c5c488741dec000a" args="" -->SND_MIXER_SABSTRACT_BASIC</em> </td><td>
<p>basic abstraction - Master,PCM,CD,Aux,Record-Gain etc. </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="gad9b0c9a6d7956f95132aa42857d962cb"></a><!-- doxytag: member="mixer.h::snd_mixer_find_selem" ref="gad9b0c9a6d7956f95132aa42857d962cb" args="(snd_mixer_t *mixer, const snd_mixer_selem_id_t *id)" -->
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<td class="memname"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a>* snd_mixer_find_selem </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga34161447bc01a64f578456ed13d57e33">snd_mixer_t</a> * </td>
<td class="paramname"> <em>mixer</em>, </td>
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<td class="paramtype">const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>id</em></td><td> </td>
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<p>Find a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>mixer</em> </td><td>Mixer handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>id</em> </td><td>Mixer simple element identifier </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>mixer simple element handle or NULL if not found </dd></dl>
</div>
</div>
<a class="anchor" id="ga40141aa00e0839bdfa8398b5aac1a0a6"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_ask_capture_dB_vol" ref="ga40141aa00e0839bdfa8398b5aac1a0a6" args="(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value)" -->
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<td class="memname">int snd_mixer_selem_ask_capture_dB_vol </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"> <em>dBvalue</em>, </td>
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<td class="paramtype">long * </td>
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<p>Return corresponding integer capture volume for given dB value for a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dBvalue</em> </td><td>dB value to be converted to integer range </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned integer value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
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<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
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<a class="anchor" id="ga87dcbf4b28ba67c8a07cdd79231b9942"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_ask_capture_vol_dB" ref="ga87dcbf4b28ba67c8a07cdd79231b9942" args="(snd_mixer_elem_t *elem, long value, long *dBvalue)" -->
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<td class="memname">int snd_mixer_selem_ask_capture_vol_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramtype">long * </td>
<td class="paramname"> <em>dBvalue</em></td><td> </td>
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<p>Return corresponding dB value to an integer capture volume for a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>value to be converted to dB range </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dBvalue</em> </td><td>pointer to returned dB value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga3bf17ce7cb933fa69973cb69ca079f13"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_ask_playback_dB_vol" ref="ga3bf17ce7cb933fa69973cb69ca079f13" args="(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value)" -->
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<td class="memname">int snd_mixer_selem_ask_playback_dB_vol </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>dBvalue</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>dir</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
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<div class="memdoc">
<p>Return corresponding integer playback volume for given dB value for a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>value to be converted to dB range </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dBvalue</em> </td><td>pointer to returned dB value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gac8e2c7d0555f58ec790443da87ecbae3"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_ask_playback_vol_dB" ref="gac8e2c7d0555f58ec790443da87ecbae3" args="(snd_mixer_elem_t *elem, long value, long *dBvalue)" -->
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<td class="memname">int snd_mixer_selem_ask_playback_vol_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>dBvalue</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return corresponding dB value to an integer playback volume for a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>value to be converted to dB range </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dBvalue</em> </td><td>pointer to returned dB value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga37ae8c6874d975efa83a9074a28113b9"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_channel_name" ref="ga37ae8c6874d975efa83a9074a28113b9" args="(snd_mixer_selem_channel_id_t channel)" -->
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<td class="memname">const char* snd_mixer_selem_channel_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em></td>
<td> ) </td>
<td></td>
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<p>Return name of mixer simple element channel. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>channel name </dd></dl>
</div>
</div>
<a class="anchor" id="ga27bf2c4bd591bcf61b3fe20353bac8da"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_dB" ref="ga27bf2c4bd591bcf61b3fe20353bac8da" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)" -->
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<td class="memname">int snd_mixer_selem_get_capture_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of capture volume in dB control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value (dB * 100) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga332241fcda7a9364b4d7830b592ba6a5"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_dB_range" ref="ga332241fcda7a9364b4d7830b592ba6a5" args="(snd_mixer_elem_t *elem, long *min, long *max)" -->
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<td class="memname">int snd_mixer_selem_get_capture_dB_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get range in dB for capture volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>Pointer to returned minimum (dB * 100) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>Pointer to returned maximum (dB * 100) </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gae75b0133e7beba016589259b30cf8e7b"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_group" ref="gae75b0133e7beba016589259b30cf8e7b" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_get_capture_group </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>group for switch exclusivity (see <a class="el" href="group___simple_mixer.html#ga1ad2e8afe6f5ad7857b0bdc70048d44d" title="Return info about capture switch control of a mixer simple element.">snd_mixer_selem_has_capture_switch_exclusive</a>) </dd></dl>
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</div>
<a class="anchor" id="ga49f4c3b98ef2353cdaa582e5bf3417a1"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_switch" ref="ga49f4c3b98ef2353cdaa582e5bf3417a1" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value)" -->
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<td class="memname">int snd_mixer_selem_get_capture_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of capture switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga3b15557f590f136735a4abee96cf28fd"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_volume" ref="ga3b15557f590f136735a4abee96cf28fd" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)" -->
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<td class="memname">int snd_mixer_selem_get_capture_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of capture volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga95e2624e7aaa7624e89121ce3f63b9dd"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_capture_volume_range" ref="ga95e2624e7aaa7624e89121ce3f63b9dd" args="(snd_mixer_elem_t *elem, long *min, long *max)" -->
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<td class="memname">int snd_mixer_selem_get_capture_volume_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get range for capture volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>Pointer to returned minimum </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>Pointer to returned maximum </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga6679dc52033e29b88da32f5bbd45f205"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_enum_item" ref="ga6679dc52033e29b88da32f5bbd45f205" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *idxp)" -->
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<td class="memname">int snd_mixer_selem_get_enum_item </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int * </td>
<td class="paramname"> <em>itemp</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
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<p>get the current selected enumerated item for the given mixer simple element </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>itemp</em> </td><td>the pointer to store the index of the enumerated item </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gacbae7ca76dc02dd172c80f8f704dd8c9"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_enum_item_name" ref="gacbae7ca76dc02dd172c80f8f704dd8c9" args="(snd_mixer_elem_t *elem, unsigned int idx, size_t maxlen, char *str)" -->
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<td class="memname">int snd_mixer_selem_get_enum_item_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>item</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>maxlen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"> <em>buf</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>get the enumerated item string for the given mixer simple element </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>item</em> </td><td>the index of the enumerated item to query </td></tr>
<tr><td valign="top"></td><td valign="top"><em>maxlen</em> </td><td>the maximal length to be stored </td></tr>
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>the buffer to store the name string </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gab803bca4a9c322e1efe87950b62431b3"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_enum_items" ref="gab803bca4a9c322e1efe87950b62431b3" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_get_enum_items </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return the number of enumerated items of the given mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the number of enumerated items, otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga02aba43d5ae75392b6344c7f8f92fe72"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_id" ref="ga02aba43d5ae75392b6344c7f8f92fe72" args="(snd_mixer_elem_t *element, snd_mixer_selem_id_t *id)" -->
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<td class="memname">void snd_mixer_selem_get_id </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>id</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>id</em> </td><td>returned mixer simple element identifier </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga11a14cd0d589033d49647d27e12b9cc1"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_index" ref="ga11a14cd0d589033d49647d27e12b9cc1" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">unsigned int snd_mixer_selem_get_index </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get index part of mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>index part of simple element identifier </dd></dl>
</div>
</div>
<a class="anchor" id="ga51329fb3fea12d50209fcf8ebf542492"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_name" ref="ga51329fb3fea12d50209fcf8ebf542492" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">const char* snd_mixer_selem_get_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get name part of mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>name part of simple element identifier </dd></dl>
</div>
</div>
<a class="anchor" id="ga6b5799e7971688e1f2e9ccf977c8a887"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_playback_dB" ref="ga6b5799e7971688e1f2e9ccf977c8a887" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)" -->
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<td class="memname">int snd_mixer_selem_get_playback_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of playback volume in dB control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value (dB * 100) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gad874cffabe541956b610858bcb38ba59"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_playback_dB_range" ref="gad874cffabe541956b610858bcb38ba59" args="(snd_mixer_elem_t *elem, long *min, long *max)" -->
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<td class="memname">int snd_mixer_selem_get_playback_dB_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get range in dB for playback volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>Pointer to returned minimum (dB * 100) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>Pointer to returned maximum (dB * 100) </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga55a4f32e711efe4ef09cf041d9fc27f0"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_playback_switch" ref="ga55a4f32e711efe4ef09cf041d9fc27f0" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value)" -->
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<td class="memname">int snd_mixer_selem_get_playback_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of playback switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga12f6f4124bf45db95f965298c2f318bb"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_playback_volume" ref="ga12f6f4124bf45db95f965298c2f318bb" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)" -->
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<td class="memname">int snd_mixer_selem_get_playback_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return value of playback volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>pointer to returned value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga09557e90c11fbd37aeed30938338698b"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_get_playback_volume_range" ref="ga09557e90c11fbd37aeed30938338698b" args="(snd_mixer_elem_t *elem, long *min, long *max)" -->
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<td class="memname">int snd_mixer_selem_get_playback_volume_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long * </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get range for playback volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>Pointer to returned minimum </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>Pointer to returned maximum </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gac05de257374bae60c03ba033344f811e"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_channel" ref="gac05de257374bae60c03ba033344f811e" args="(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel)" -->
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<td class="memname">int snd_mixer_selem_has_capture_channel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get info about channels of capture stream of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>Mixer simple element channel identifier </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if channel is not present, 1 if present </dd></dl>
</div>
</div>
<a class="anchor" id="ga6761e23f215d3d048c729a22cfdd952a"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_switch" ref="ga6761e23f215d3d048c729a22cfdd952a" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_capture_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture switch control existence of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if no control is present, 1 if it's present </dd></dl>
</div>
</div>
<a class="anchor" id="ga1ad2e8afe6f5ad7857b0bdc70048d44d"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_switch_exclusive" ref="ga1ad2e8afe6f5ad7857b0bdc70048d44d" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_capture_switch_exclusive </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if control is separated per element, 1 if control acts on other elements too (i.e. only one active at a time inside a group) </dd></dl>
</div>
</div>
<a class="anchor" id="ga14a6a278ef91593d3c6fc53007627d25"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_switch_joined" ref="ga14a6a278ef91593d3c6fc53007627d25" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_capture_switch_joined </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if control is separated per channel, 1 if control acts on all channels together </dd></dl>
</div>
</div>
<a class="anchor" id="ga095d73eab22ef19cabed8732ffc44a7b"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_volume" ref="ga095d73eab22ef19cabed8732ffc44a7b" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_capture_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if no control is present, 1 if it's present </dd></dl>
</div>
</div>
<a class="anchor" id="ga1646edce83681e786da2f1a6befaf113"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_capture_volume_joined" ref="ga1646edce83681e786da2f1a6befaf113" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_capture_volume_joined </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about capture volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if control is separated per channel, 1 if control acts on all channels together </dd></dl>
</div>
</div>
<a class="anchor" id="ga468e0188282093c377776683bcea20d4"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_common_switch" ref="ga468e0188282093c377776683bcea20d4" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_common_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
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<p>Return true if mixer simple element has only one switch control for both playback and capture. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 separated control, 1 common control </dd></dl>
</div>
</div>
<a class="anchor" id="ga08c4099ef62508d5ae7f13bd6affd5a5"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_common_volume" ref="ga08c4099ef62508d5ae7f13bd6affd5a5" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_common_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return true if mixer simple element has only one volume control for both playback and capture. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 separated control, 1 common control </dd></dl>
</div>
</div>
<a class="anchor" id="ga621b34fc2c4f47a28fb9b34a3dd820e7"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_playback_channel" ref="ga621b34fc2c4f47a28fb9b34a3dd820e7" args="(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel)" -->
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<td class="memname">int snd_mixer_selem_has_playback_channel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get info about channels of playback stream of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>Mixer simple element channel identifier </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if channel is not present, 1 if present </dd></dl>
</div>
</div>
<a class="anchor" id="ga4efd34d5ccb384e8db4291bd3aad0760"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_playback_switch" ref="ga4efd34d5ccb384e8db4291bd3aad0760" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_playback_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about playback switch control existence of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if no control is present, 1 if it's present </dd></dl>
</div>
</div>
<a class="anchor" id="ga162fa35b3cc76e67c14482a2f6b734c1"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_playback_switch_joined" ref="ga162fa35b3cc76e67c14482a2f6b734c1" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_playback_switch_joined </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about playback switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if control is separated per channel, 1 if control acts on all channels together </dd></dl>
</div>
</div>
<a class="anchor" id="ga17468934f36929ae2f7af4850f40f851"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_playback_volume" ref="ga17468934f36929ae2f7af4850f40f851" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_playback_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about playback volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if no control is present, 1 if it's present </dd></dl>
</div>
</div>
<a class="anchor" id="gaf39321d4b7bb2efac3a3af357e42c6eb"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_has_playback_volume_joined" ref="gaf39321d4b7bb2efac3a3af357e42c6eb" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_has_playback_volume_joined </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return info about playback volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if control is separated per channel, 1 if control acts on all channels together </dd></dl>
</div>
</div>
<a class="anchor" id="ga089d6e51b1b92fb51ff2cb771071a169"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_copy" ref="ga089d6e51b1b92fb51ff2cb771071a169" args="(snd_mixer_selem_id_t *dst, const snd_mixer_selem_id_t *src)" -->
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<td class="memname">void snd_mixer_selem_id_copy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>src</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>copy one <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> to another </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dst</em> </td><td>pointer to destination </td></tr>
<tr><td valign="top"></td><td valign="top"><em>src</em> </td><td>pointer to source </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga2a6f790706e3ed64e1fb0f61177d13c5"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_free" ref="ga2a6f790706e3ed64e1fb0f61177d13c5" args="(snd_mixer_selem_id_t *obj)" -->
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<td class="memname">void snd_mixer_selem_id_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>obj</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>frees a previously allocated <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>pointer to object to free </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gabe5105469fa31b85a52253e709733638"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_get_index" ref="gabe5105469fa31b85a52253e709733638" args="(const snd_mixer_selem_id_t *obj)" -->
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<td class="memname">unsigned int snd_mixer_selem_id_get_index </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>obj</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get index part of a mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>Mixer simple element identifier </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>index part </dd></dl>
</div>
</div>
<a class="anchor" id="gae54797dd9e4382d67718899047fa1087"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_get_name" ref="gae54797dd9e4382d67718899047fa1087" args="(const snd_mixer_selem_id_t *obj)" -->
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<td class="memname">const char* snd_mixer_selem_id_get_name </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>obj</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get name part of a mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>Mixer simple element identifier </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>name part </dd></dl>
</div>
</div>
<a class="anchor" id="gac48d80bc60d03959c43a3ec6caca8498"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_malloc" ref="gac48d80bc60d03959c43a3ec6caca8498" args="(snd_mixer_selem_id_t **ptr)" -->
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<td class="memname">int snd_mixer_selem_id_malloc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> ** </td>
<td class="paramname"> <em>ptr</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>allocate an invalid <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> using standard malloc </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ptr</em> </td><td>returned pointer </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga02bf0b9758ed4146eec38cd964b7621d"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_set_index" ref="ga02bf0b9758ed4146eec38cd964b7621d" args="(snd_mixer_selem_id_t *obj, unsigned int val)" -->
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<td class="memname">void snd_mixer_selem_id_set_index </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>val</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set index part of a mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>Mixer simple element identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>index part </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gad127341c44087525e1c715044d7a3919"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_set_name" ref="gad127341c44087525e1c715044d7a3919" args="(snd_mixer_selem_id_t *obj, const char *val)" -->
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<td class="memname">void snd_mixer_selem_id_set_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> * </td>
<td class="paramname"> <em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>val</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
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<p>Set name part of a mixer simple element identifier. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>obj</em> </td><td>Mixer simple element identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>name part </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga29705a6b18fe910d2b7aeb98531d5056"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_id_sizeof" ref="ga29705a6b18fe910d2b7aeb98531d5056" args="(void)" -->
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<td class="memname">size_t snd_mixer_selem_id_sizeof </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
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<p>get size of <a class="el" href="group___simple_mixer.html#gac0bfc2b9efcbc308df2daad92983e2ee">snd_mixer_selem_id_t</a> </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>size in bytes </dd></dl>
</div>
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<a class="anchor" id="ga41eb6c6d7a237dc617115ba4ba91ffbd"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_active" ref="ga41eb6c6d7a237dc617115ba4ba91ffbd" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_active </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get info about the active state of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if not active, 1 if active </dd></dl>
</div>
</div>
<a class="anchor" id="gadc4c2179abd18d7c587cc199bb8e9273"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_capture_mono" ref="gadc4c2179abd18d7c587cc199bb8e9273" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_capture_mono </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get info about channels of capture stream of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if not mono, 1 if mono </dd></dl>
</div>
</div>
<a class="anchor" id="ga90c5c5c0428fd0d6722c5a84348a39b0"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_enum_capture" ref="ga90c5c5c0428fd0d6722c5a84348a39b0" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_enum_capture </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
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<p>Return true if mixer simple enumerated element belongs to the capture direction. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 no capture direction, 1 capture direction </dd></dl>
</div>
</div>
<a class="anchor" id="gaed68ad405d2c2e9447e2fa1d4f5d1107"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_enum_playback" ref="gaed68ad405d2c2e9447e2fa1d4f5d1107" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_enum_playback </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return true if mixer simple enumerated element belongs to the playback direction. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 no playback direction, 1 playback direction </dd></dl>
</div>
</div>
<a class="anchor" id="gab367abc11dae3681978c2f831afd1e37"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_enumerated" ref="gab367abc11dae3681978c2f831afd1e37" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_enumerated </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return true if mixer simple element is an enumerated control. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 normal volume/switch control, 1 enumerated control </dd></dl>
</div>
</div>
<a class="anchor" id="gacdc9e474bb45ca6759a2f9ea878bc1a4"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_is_playback_mono" ref="gacdc9e474bb45ca6759a2f9ea878bc1a4" args="(snd_mixer_elem_t *elem)" -->
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<td class="memname">int snd_mixer_selem_is_playback_mono </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em></td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Get info about channels of playback stream of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if not mono, 1 if mono </dd></dl>
</div>
</div>
<a class="anchor" id="gadd686db0b7d2bba9a88112b732b147d0"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_register" ref="gadd686db0b7d2bba9a88112b732b147d0" args="(snd_mixer_t *mixer, struct snd_mixer_selem_regopt *options, snd_mixer_class_t **classp)" -->
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<td class="memname">int snd_mixer_selem_register </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga34161447bc01a64f578456ed13d57e33">snd_mixer_t</a> * </td>
<td class="paramname"> <em>mixer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structsnd__mixer__selem__regopt.html">snd_mixer_selem_regopt</a> * </td>
<td class="paramname"> <em>options</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga51c7b205d5afc62342d9dec3ce54d11f">snd_mixer_class_t</a> ** </td>
<td class="paramname"> <em>classp</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Register mixer simple element class. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>mixer</em> </td><td>Mixer handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>options</em> </td><td>Options container </td></tr>
<tr><td valign="top"></td><td valign="top"><em>classp</em> </td><td>Pointer to returned mixer simple element class handle (or NULL) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gac1af2ccb94c19e7f616338791707c2eb"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_dB" ref="gac1af2ccb94c19e7f616338791707c2eb" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir)" -->
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<td class="memname">int snd_mixer_selem_set_capture_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>dir</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value in dB of capture volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value in dB * 100 </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga395321949ec6444ca4590f0ca3eac6b0"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_dB_all" ref="ga395321949ec6444ca4590f0ca3eac6b0" args="(snd_mixer_elem_t *elem, long value, int dir)" -->
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<td class="memname">int snd_mixer_selem_set_capture_dB_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>dir</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value in dB of capture volume control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value in dB * 100 </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga3de8f16807b23cdf9399f86a5eb3a353"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_switch" ref="ga3de8f16807b23cdf9399f86a5eb3a353" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value)" -->
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<td class="memname">int snd_mixer_selem_set_capture_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of capture switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gad43024c7d21c38cde7b440cdc6a85c07"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_switch_all" ref="gad43024c7d21c38cde7b440cdc6a85c07" args="(snd_mixer_elem_t *elem, int value)" -->
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<td class="memname">int snd_mixer_selem_set_capture_switch_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of capture switch control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga8aa6b212e1e092e5d67ff11070a433ad"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_volume" ref="ga8aa6b212e1e092e5d67ff11070a433ad" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value)" -->
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<td class="memname">int snd_mixer_selem_set_capture_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of capture volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga0e6e40f799c9a4042444a4e26194d451"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_volume_all" ref="ga0e6e40f799c9a4042444a4e26194d451" args="(snd_mixer_elem_t *elem, long value)" -->
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<td class="memname">int snd_mixer_selem_set_capture_volume_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of capture volume control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga608663233daecd6b373aba808f5fc427"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_capture_volume_range" ref="ga608663233daecd6b373aba808f5fc427" args="(snd_mixer_elem_t *elem, long min, long max)" -->
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<td class="memname">int snd_mixer_selem_set_capture_volume_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set range for capture volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>minimum volume value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>maximum volume value </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gadcba6291c0382676ee442311c0ff1a8f"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_enum_item" ref="gadcba6291c0382676ee442311c0ff1a8f" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int idx)" -->
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<td class="memname">int snd_mixer_selem_set_enum_item </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>item</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>set the current selected enumerated item for the given mixer simple element </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>item</em> </td><td>the enumerated item index </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if successful, otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga8bfb52575e4bb06deb30799bc39c0768"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_dB" ref="ga8bfb52575e4bb06deb30799bc39c0768" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir)" -->
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<td class="memname">int snd_mixer_selem_set_playback_dB </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>dir</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value in dB of playback volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value in dB * 100 </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga555df8c54f170ebe7f389eb7a8d04cc9"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_dB_all" ref="ga555df8c54f170ebe7f389eb7a8d04cc9" args="(snd_mixer_elem_t *elem, long value, int dir)" -->
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<td class="memname">int snd_mixer_selem_set_playback_dB_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>dir</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
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<div class="memdoc">
<p>Set value in dB of playback volume control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value in dB * 100 </td></tr>
<tr><td valign="top"></td><td valign="top"><em>dir</em> </td><td>select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga1a9b7c48b94d8cbeffc6847f3b884dcc"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_switch" ref="ga1a9b7c48b94d8cbeffc6847f3b884dcc" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">int snd_mixer_selem_set_playback_switch </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of playback switch control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gaa3e28640247b4eef389269b92f5b4a9d"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_switch_all" ref="gaa3e28640247b4eef389269b92f5b4a9d" args="(snd_mixer_elem_t *elem, int value)" -->
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<td class="memname">int snd_mixer_selem_set_playback_switch_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of playback switch control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga1e4556740beefc8bed40677a316e60ac"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_volume" ref="ga1e4556740beefc8bed40677a316e60ac" args="(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">int snd_mixer_selem_set_playback_volume </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___simple_mixer.html#gaf01a92f33cc46d0b3878d65afcc41b97">snd_mixer_selem_channel_id_t</a> </td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of playback volume control of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>channel</em> </td><td>mixer simple element channel identifier </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga2567351a2a7a70e6dda81f5ccc38d04b"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_volume_all" ref="ga2567351a2a7a70e6dda81f5ccc38d04b" args="(snd_mixer_elem_t *elem, long value)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">int snd_mixer_selem_set_playback_volume_all </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set value of playback volume control for all channels of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>control value </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success otherwise a negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="gaf4b095372a07bcdf769d74fa73c803d5"></a><!-- doxytag: member="mixer.h::snd_mixer_selem_set_playback_volume_range" ref="gaf4b095372a07bcdf769d74fa73c803d5" args="(snd_mixer_elem_t *elem, long min, long max)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int snd_mixer_selem_set_playback_volume_range </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___mixer.html#ga9bb5eb24e4feea6c1a04c79b77938ef9">snd_mixer_elem_t</a> * </td>
<td class="paramname"> <em>elem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>max</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set range for playback volume of a mixer simple element. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>elem</em> </td><td>Mixer simple element handle </td></tr>
<tr><td valign="top"></td><td valign="top"><em>min</em> </td><td>minimum volume value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max</em> </td><td>maximum volume value </td></tr>
</table>
</dd>
</dl>
</div>
</div>
</div>
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