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href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">pcm_softvol.c File Reference</div> </div> </div><!--header--> <div class="contents"> <p>PCM Soft Volume Plugin Interface. <a href="#details">More...</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ad569db39824bb0a31c73dd9d4948a4b7"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="pcm__softvol_8c.html#ad569db39824bb0a31c73dd9d4948a4b7">snd_pcm_softvol_open</a> (<a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> **pcmp, const char *name, <a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> sformat, int ctl_card, <a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *ctl_id, int cchannels, double min_dB, double max_dB, int resolution, <a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> *slave, int close_slave)</td></tr> <tr class="memdesc:ad569db39824bb0a31c73dd9d4948a4b7"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new SoftVolume PCM. <a href="#ad569db39824bb0a31c73dd9d4948a4b7">More...</a><br/></td></tr> <tr class="separator:ad569db39824bb0a31c73dd9d4948a4b7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga6cc0e84dc2822458b4ed163071a51ecd"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___plugin___s_d_k.html#ga6cc0e84dc2822458b4ed163071a51ecd">snd_pcm_parse_control_id</a> (<a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *conf, <a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *ctl_id, int *cardp, int *cchannelsp, int *hwctlp)</td></tr> <tr class="memdesc:ga6cc0e84dc2822458b4ed163071a51ecd"><td class="mdescLeft"> </td><td class="mdescRight">Parse control element id from the config. <a href="group___plugin___s_d_k.html#ga6cc0e84dc2822458b4ed163071a51ecd">More...</a><br/></td></tr> <tr class="separator:ga6cc0e84dc2822458b4ed163071a51ecd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4347460ac616c9a323681021c6498d0d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="pcm__softvol_8c.html#a4347460ac616c9a323681021c6498d0d">_snd_pcm_softvol_open</a> (<a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> **pcmp, const char *name, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *root, <a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> *conf, <a class="el" href="group___p_c_m.html#gac23b43ff55add78638e503b9cc892c24">snd_pcm_stream_t</a> stream, int mode)</td></tr> <tr class="memdesc:a4347460ac616c9a323681021c6498d0d"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new Soft Volume PCM. <a href="#a4347460ac616c9a323681021c6498d0d">More...</a><br/></td></tr> <tr class="separator:a4347460ac616c9a323681021c6498d0d"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>PCM Soft Volume Plugin Interface. </p> <dl class="section author"><dt>Author</dt><dd>Takashi Iwai <a href="#" onclick="location.href='mai'+'lto:'+'tiw'+'ai'+'@su'+'se'+'.de'; return false;">tiwai<span style="display: none;">.nosp@m.</span>@sus<span style="display: none;">.nosp@m.</span>e.de</a> </dd></dl> <dl class="section date"><dt>Date</dt><dd>2004 </dd></dl> </div><h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="a4347460ac616c9a323681021c6498d0d"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int _snd_pcm_softvol_open </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> ** </td> <td class="paramname"><em>pcmp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>name</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td> <td class="paramname"><em>root</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___config.html#ga1c20905af775ae77d04d1a5696f67985">snd_config_t</a> * </td> <td class="paramname"><em>conf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#gac23b43ff55add78638e503b9cc892c24">snd_pcm_stream_t</a> </td> <td class="paramname"><em>stream</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>mode</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Creates a new Soft Volume PCM. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pcmp</td><td>Returns created PCM handle </td></tr> <tr><td class="paramname">name</td><td>Name of PCM </td></tr> <tr><td class="paramname">root</td><td>Root configuration node </td></tr> <tr><td class="paramname">conf</td><td>Configuration node with Soft Volume PCM description </td></tr> <tr><td class="paramname">stream</td><td>Stream type </td></tr> <tr><td class="paramname">mode</td><td>Stream mode </td></tr> </table> </dd> </dl> <dl class="retval"><dt>Return values</dt><dd> <table class="retval"> <tr><td class="paramname">zero</td><td>on success otherwise a negative error code </td></tr> </table> </dd> </dl> <dl class="section warning"><dt>Warning</dt><dd>Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future. </dd></dl> </div> </div> <a class="anchor" id="ad569db39824bb0a31c73dd9d4948a4b7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_softvol_open </td> <td>(</td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> ** </td> <td class="paramname"><em>pcmp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>name</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> </td> <td class="paramname"><em>sformat</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>ctl_card</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> * </td> <td class="paramname"><em>ctl_id</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>cchannels</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>min_dB</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>max_dB</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>resolution</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> * </td> <td class="paramname"><em>slave</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>close_slave</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Creates a new SoftVolume PCM. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pcmp</td><td>Returns created PCM handle </td></tr> <tr><td class="paramname">name</td><td>Name of PCM </td></tr> <tr><td class="paramname">sformat</td><td>Slave format </td></tr> <tr><td class="paramname">ctl_card</td><td>card index of the control </td></tr> <tr><td class="paramname">ctl_id</td><td>The control element </td></tr> <tr><td class="paramname">cchannels</td><td>PCM channels </td></tr> <tr><td class="paramname">min_dB</td><td>minimal dB value </td></tr> <tr><td class="paramname">max_dB</td><td>maximal dB value </td></tr> <tr><td class="paramname">resolution</td><td>resolution of control </td></tr> <tr><td class="paramname">slave</td><td>Slave PCM handle </td></tr> <tr><td class="paramname">close_slave</td><td>When set, the slave PCM handle is closed with copy PCM </td></tr> </table> </dd> </dl> <dl class="retval"><dt>Return values</dt><dd> <table class="retval"> <tr><td class="paramname">zero</td><td>on success otherwise a negative error code </td></tr> </table> </dd> </dl> <dl class="section warning"><dt>Warning</dt><dd>Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future. </dd></dl> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>