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href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">pcm_hw.c File Reference</div> </div> </div><!--header--> <div class="contents"> <p>PCM HW Plugin Interface. <a href="#details">More...</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a> Enumerations</h2></td></tr> <tr class="memitem:a385c44f6fb256e5716a2302a5b940388"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <b>CHMAP_CTL_QUERY</b>, <b>CHMAP_CTL_GET</b>, <b>CHMAP_CTL_SET</b> }</td></tr> <tr class="separator:a385c44f6fb256e5716a2302a5b940388"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:gae766a086ec64ec1189a87da3e54b8441"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structsnd__pcm__chmap__query__t.html">snd_pcm_chmap_query_t</a> ** </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m.html#gae766a086ec64ec1189a87da3e54b8441">snd_pcm_query_chmaps_from_hw</a> (int card, int dev, int subdev, <a class="el" href="group___p_c_m.html#gac23b43ff55add78638e503b9cc892c24">snd_pcm_stream_t</a> stream)</td></tr> <tr class="separator:gae766a086ec64ec1189a87da3e54b8441"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a78a98b1bd3d04f1a213d74b7b22d16ea"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="pcm__hw_8c.html#a78a98b1bd3d04f1a213d74b7b22d16ea">snd_pcm_hw_open_fd</a> (<a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> **pcmp, const char *name, int fd, int sync_ptr_ioctl)</td></tr> <tr class="memdesc:a78a98b1bd3d04f1a213d74b7b22d16ea"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new hw PCM. <a href="#a78a98b1bd3d04f1a213d74b7b22d16ea">More...</a><br/></td></tr> <tr class="separator:a78a98b1bd3d04f1a213d74b7b22d16ea"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a06abf5d78c26a9d8e79fd0428a5c7183"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="pcm__hw_8c.html#a06abf5d78c26a9d8e79fd0428a5c7183">snd_pcm_hw_open</a> (<a class="el" href="group___p_c_m.html#ga919e634deecd855b6e2e15174e70d3ea">snd_pcm_t</a> **pcmp, const char *name, int card, int device, int subdevice, <a class="el" href="group___p_c_m.html#gac23b43ff55add78638e503b9cc892c24">snd_pcm_stream_t</a> stream, int mode, int mmap_emulation, int sync_ptr_ioctl)</td></tr> <tr class="memdesc:a06abf5d78c26a9d8e79fd0428a5c7183"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new hw PCM. <a href="#a06abf5d78c26a9d8e79fd0428a5c7183">More...</a><br/></td></tr> <tr class="separator:a06abf5d78c26a9d8e79fd0428a5c7183"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7687673b2a39b944c5693043446afaf9"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="pcm__hw_8c.html#a7687673b2a39b944c5693043446afaf9">_snd_pcm_hw_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:a7687673b2a39b944c5693043446afaf9"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new hw PCM. <a href="#a7687673b2a39b944c5693043446afaf9">More...</a><br/></td></tr> <tr class="separator:a7687673b2a39b944c5693043446afaf9"><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 HW Plugin Interface. </p> <dl class="section author"><dt>Author</dt><dd>Abramo Bagnara <a href="#" onclick="location.href='mai'+'lto:'+'abr'+'am'+'o@a'+'ls'+'a-p'+'ro'+'jec'+'t.'+'org'; return false;">abram<span style="display: none;">.nosp@m.</span>o@al<span style="display: none;">.nosp@m.</span>sa-pr<span style="display: none;">.nosp@m.</span>ojec<span style="display: none;">.nosp@m.</span>t.org</a> </dd> <dd> Jaroslav Kysela <a href="#" onclick="location.href='mai'+'lto:'+'per'+'ex'+'@pe'+'re'+'x.c'+'z'; return false;">perex<span style="display: none;">.nosp@m.</span>@per<span style="display: none;">.nosp@m.</span>ex.cz</a> </dd></dl> <dl class="section date"><dt>Date</dt><dd>2000-2001 </dd></dl> </div><h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="a7687673b2a39b944c5693043446afaf9"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int _snd_pcm_hw_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 hw 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 hw PCM description </td></tr> <tr><td class="paramname">stream</td><td>PCM Stream </td></tr> <tr><td class="paramname">mode</td><td>PCM Mode </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="a06abf5d78c26a9d8e79fd0428a5c7183"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_hw_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">int </td> <td class="paramname"><em>card</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>device</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>subdevice</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 class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>mmap_emulation</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>sync_ptr_ioctl</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Creates a new hw 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">card</td><td>Number of card </td></tr> <tr><td class="paramname">device</td><td>Number of device </td></tr> <tr><td class="paramname">subdevice</td><td>Number of subdevice </td></tr> <tr><td class="paramname">stream</td><td>PCM Stream </td></tr> <tr><td class="paramname">mode</td><td>PCM Mode </td></tr> <tr><td class="paramname">mmap_emulation</td><td>Obsoleted parameter </td></tr> <tr><td class="paramname">sync_ptr_ioctl</td><td>Use SYNC_PTR ioctl rather than mmap for control structures </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="a78a98b1bd3d04f1a213d74b7b22d16ea"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int snd_pcm_hw_open_fd </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">int </td> <td class="paramname"><em>fd</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>sync_ptr_ioctl</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Creates a new hw 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">fd</td><td>File descriptor </td></tr> <tr><td class="paramname">sync_ptr_ioctl</td><td>Boolean flag for sync_ptr ioctl </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>