<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.3.0 C++ API: audio_alsa_source.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.3 --> <div class="contents"> <h1>audio_alsa_source.h File Reference</h1><code>#include <<a class="el" href="gr__sync__block_8h_source.html">gr_sync_block.h</a>></code><br/> <code>#include <string></code><br/> <code>#include <alsa/asoundlib.h></code><br/> <code>#include <stdexcept></code><br/> <div class="dynheader"> Include dependency graph for audio_alsa_source.h:</div> <div class="dynsection"> <div class="center"><img src="audio__alsa__source_8h__incl.png" border="0" usemap="#audio__alsa__source_8h_map" alt=""/></div> <map name="audio__alsa__source_8h_map" id="audio__alsa__source_8h"> <area shape="rect" id="node3" href="gr__sync__block_8h.html" title="gr_sync_block.h" alt="" coords="679,83,796,112"/><area shape="rect" id="node5" href="gr__block_8h.html" title="gr_block.h" alt="" coords="523,160,605,189"/><area shape="rect" id="node7" href="gr__basic__block_8h.html" title="gr_basic_block.h" alt="" coords="473,237,593,267"/><area shape="rect" id="node9" href="gr__runtime__types_8h.html" title="gr_runtime_types.h" alt="" coords="241,315,375,344"/><area shape="rect" id="node23" href="gr__sptr__magic_8h_source.html" title="gr_sptr_magic.h" alt="" coords="41,392,156,421"/><area shape="rect" id="node28" href="gr__msg__accepter_8h.html" title="gr_msg_accepter.h" alt="" coords="424,315,557,344"/><area shape="rect" id="node11" href="gr__types_8h.html" title="gr_types.h" alt="" coords="241,392,324,421"/><area shape="rect" id="node19" href="gr__complex_8h.html" title="gr_complex.h" alt="" coords="336,469,435,499"/><area shape="rect" id="node30" href="msg__accepter_8h.html" title="gruel/msg_accepter.h" alt="" coords="399,392,545,421"/><area shape="rect" id="node32" href="pmt_8h.html" title="gruel/pmt.h" alt="" coords="533,469,619,499"/><area shape="rect" id="node48" href="pmt__sugar_8h.html" title="gruel/pmt_sugar.h" alt="" coords="349,547,475,576"/></map> </div> <p><a href="audio__alsa__source_8h_source.html">Go to the source code of this file.</a></p> <table border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2"><h2>Classes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__alsa__source.html">audio_alsa_source</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">audio source using ALSA <a href="classaudio__alsa__source.html#_details">More...</a><br/></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="audio__alsa__source_8h.html#a705350c14c1f28bb8d6d57dafbf9ccff">ALSA_PCM_NEW_HW_PARAMS_API</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="audio__alsa__source_8h.html#a5b61c3b8eee0c6801209e39a760b928a">ALSA_PCM_NEW_SW_PARAMS_API</a></td></tr> <tr><td colspan="2"><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">audio_alsa_source_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="audio__alsa__source_8h.html#a66b7a1081bbdc9cf8f5f1a74bab68871">audio_alsa_make_source</a> (int sampling_rate, const std::string device_name="", <a class="el" href="gc__types_8h.html#a0f2b5d454b7e4dda3861032cfce91085">bool</a> ok_to_block=true)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Make an ALSA audio source. <a href="#a66b7a1081bbdc9cf8f5f1a74bab68871"></a><br/></td></tr> </table> <hr/><h2>Define Documentation</h2> <a class="anchor" id="a705350c14c1f28bb8d6d57dafbf9ccff"></a><!-- doxytag: member="audio_alsa_source.h::ALSA_PCM_NEW_HW_PARAMS_API" ref="a705350c14c1f28bb8d6d57dafbf9ccff" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ALSA_PCM_NEW_HW_PARAMS_API</td> </tr> </table> </div> <div class="memdoc"> </div> </div> <a class="anchor" id="a5b61c3b8eee0c6801209e39a760b928a"></a><!-- doxytag: member="audio_alsa_source.h::ALSA_PCM_NEW_SW_PARAMS_API" ref="a5b61c3b8eee0c6801209e39a760b928a" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ALSA_PCM_NEW_SW_PARAMS_API</td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Function Documentation</h2> <a class="anchor" id="a66b7a1081bbdc9cf8f5f1a74bab68871"></a><!-- doxytag: member="audio_alsa_source.h::audio_alsa_make_source" ref="a66b7a1081bbdc9cf8f5f1a74bab68871" args="(int sampling_rate, const std::string device_name="", bool ok_to_block=true)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">audio_alsa_source_sptr</a> audio_alsa_make_source </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"> <em>sampling_rate</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const std::string </td> <td class="paramname"> <em>device_name</em> = <code>""</code>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="gc__types_8h.html#a0f2b5d454b7e4dda3861032cfce91085">bool</a> </td> <td class="paramname"> <em>ok_to_block</em> = <code>true</code></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Make an ALSA audio source. </p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>sampling_rate</em> </td><td>sampling rate </td></tr> <tr><td valign="top"></td><td valign="top"><em>device_name</em> </td><td>ALSA pcm device name, e.g., "hw:0,0" </td></tr> <tr><td valign="top"></td><td valign="top"><em>ok_to_block</em> </td><td>(currently ignored) </td></tr> </table> </dd> </dl> </div> </div> </div> <hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Dec 29 19:51:06 2010 for GNU Radio 3.3.0 C++ API by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address> </body> </html>