<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>aubio: io/source.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ extensions: ["tex2jax.js"], jax: ["input/TeX","output/HTML-CSS"], }); </script><script 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filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_bc161955dc3a3d2485839eba21420d01.html">io</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#typedef-members">Typedefs</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">source.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p>Media source to read blocks of consecutive audio samples from file. <a href="#details">More...</a></p> <p><a href="source_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr class="memitem:a1a29eaffe41a16145b0c77134fea24c7"><td class="memItemLeft" align="right" valign="top"><a id="a1a29eaffe41a16145b0c77134fea24c7"></a> typedef struct _aubio_source_t </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a></td></tr> <tr class="memdesc:a1a29eaffe41a16145b0c77134fea24c7"><td class="mdescLeft"> </td><td class="mdescRight">media source object <br /></td></tr> <tr class="separator:a1a29eaffe41a16145b0c77134fea24c7"><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:a095a681b83bfe88697c8b0c7918f6b53"><td class="memItemLeft" align="right" valign="top"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53">new_aubio_source</a> (<a class="el" href="types_8h.html#a40bb5262bf908c328fbcfbe5d29d0201">char_t</a> *uri, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> samplerate, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> hop_size)</td></tr> <tr class="memdesc:a095a681b83bfe88697c8b0c7918f6b53"><td class="mdescLeft"> </td><td class="mdescRight">create new <a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7" title="media source object ">aubio_source_t</a> <a href="#a095a681b83bfe88697c8b0c7918f6b53">More...</a><br /></td></tr> <tr class="separator:a095a681b83bfe88697c8b0c7918f6b53"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae6e5a0145ff75675fd7704d415be582d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#ae6e5a0145ff75675fd7704d415be582d">aubio_source_do</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s, <a class="el" href="structfvec__t.html">fvec_t</a> *read_to, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> *read)</td></tr> <tr class="memdesc:ae6e5a0145ff75675fd7704d415be582d"><td class="mdescLeft"> </td><td class="mdescRight">read monophonic vector of length hop_size from source object <a href="#ae6e5a0145ff75675fd7704d415be582d">More...</a><br /></td></tr> <tr class="separator:ae6e5a0145ff75675fd7704d415be582d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8dac8dc20d895ff5649dc4b582ef2712"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a8dac8dc20d895ff5649dc4b582ef2712">aubio_source_do_multi</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s, <a class="el" href="structfmat__t.html">fmat_t</a> *read_to, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> *read)</td></tr> <tr class="memdesc:a8dac8dc20d895ff5649dc4b582ef2712"><td class="mdescLeft"> </td><td class="mdescRight">read polyphonic vector of length hop_size from source object <a href="#a8dac8dc20d895ff5649dc4b582ef2712">More...</a><br /></td></tr> <tr class="separator:a8dac8dc20d895ff5649dc4b582ef2712"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0aff78c30722264daba2b93ceaa98361"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a0aff78c30722264daba2b93ceaa98361">aubio_source_get_samplerate</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s)</td></tr> <tr class="memdesc:a0aff78c30722264daba2b93ceaa98361"><td class="mdescLeft"> </td><td class="mdescRight">get samplerate of source object <a href="#a0aff78c30722264daba2b93ceaa98361">More...</a><br /></td></tr> <tr class="separator:a0aff78c30722264daba2b93ceaa98361"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0b93063cfe2620cea7347061652c389c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a0b93063cfe2620cea7347061652c389c">aubio_source_get_channels</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s)</td></tr> <tr class="memdesc:a0b93063cfe2620cea7347061652c389c"><td class="mdescLeft"> </td><td class="mdescRight">get channels of source object <a href="#a0b93063cfe2620cea7347061652c389c">More...</a><br /></td></tr> <tr class="separator:a0b93063cfe2620cea7347061652c389c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad2f97420bccc32e7ba67762d10ceb879"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#ad2f97420bccc32e7ba67762d10ceb879">aubio_source_seek</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s, <a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> pos)</td></tr> <tr class="memdesc:ad2f97420bccc32e7ba67762d10ceb879"><td class="mdescLeft"> </td><td class="mdescRight">seek source object <a href="#ad2f97420bccc32e7ba67762d10ceb879">More...</a><br /></td></tr> <tr class="separator:ad2f97420bccc32e7ba67762d10ceb879"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aca279ad4069fa5ebce50ce5bee960522"><td class="memItemLeft" align="right" valign="top"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#aca279ad4069fa5ebce50ce5bee960522">aubio_source_close</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s)</td></tr> <tr class="memdesc:aca279ad4069fa5ebce50ce5bee960522"><td class="mdescLeft"> </td><td class="mdescRight">close source object <a href="#aca279ad4069fa5ebce50ce5bee960522">More...</a><br /></td></tr> <tr class="separator:aca279ad4069fa5ebce50ce5bee960522"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a997e8620fd445889d498627f7e27d5c6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="source_8h.html#a997e8620fd445889d498627f7e27d5c6">del_aubio_source</a> (<a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> *s)</td></tr> <tr class="memdesc:a997e8620fd445889d498627f7e27d5c6"><td class="mdescLeft"> </td><td class="mdescRight">close source and cleanup memory <a href="#a997e8620fd445889d498627f7e27d5c6">More...</a><br /></td></tr> <tr class="separator:a997e8620fd445889d498627f7e27d5c6"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Media source to read blocks of consecutive audio samples from file. </p> <p>To write to file, use <a class="el" href="sink_8h.html#ab3fd37f3117e99c10c63cb595821c31d" title="media sink object ">aubio_sink_t</a>.</p> <p>Depending on how aubio was compiled, the following sources will be available.</p> <p>When creating a new source using <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a>, the new function of each of the compiled-in sources will be used, in the following order, until one of them gets successfully created. If all sources returned NULL, <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> will return NULL.</p> <p><b><code>source_avcodec</code> </b>: libav</p> <p>aubio can be optionally compiled with <a href="http://libav.org">libav</a>, which can read from a very large number of audio and video formats, including over different network protocols such as HTTP.</p> <p><b><code>source_apple_audio</code> </b>: ExtAudioFileRef</p> <p>On Mac and iOS platforms, aubio should be compiled with CoreAudio <a href="https://developer.apple.com/library/mac/documentation/MusicAudio/Reference/ExtendedAudioFileServicesReference/Reference/reference.html">Extended Audio File Services</a>. This provides access to most common audio file formats, including compressed ones.</p> <p><b><code>source_sndfile</code> </b>: libsndfile</p> <p>Also optional, aubio can be built against <a href="http://www.mega-nerd.com/libsndfile/">libsndfile</a>, which can read <a href="http://www.mega-nerd.com/libsndfile/#Features">most uncompressed formats</a>.</p> <p><b><code>source_wavread</code> </b>: native WAV reader</p> <p>A simple source to read from 16-bits PCM RIFF encoded WAV files. </p> <p class="definition">Definition in file <a class="el" href="source_8h_source.html">source.h</a>.</p> </div><h2 class="groupheader">Function Documentation</h2> <a id="aca279ad4069fa5ebce50ce5bee960522"></a> <h2 class="memtitle"><span class="permalink"><a href="#aca279ad4069fa5ebce50ce5bee960522">◆ </a></span>aubio_source_close()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> aubio_source_close </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>close source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a></td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>0 if sucessful, non-zero on failure </dd></dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-source_8c-example.html#a6">io/test-source.c</a>.</dd> </dl> </div> </div> <a id="ae6e5a0145ff75675fd7704d415be582d"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae6e5a0145ff75675fd7704d415be582d">◆ </a></span>aubio_source_do()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void aubio_source_do </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structfvec__t.html">fvec_t</a> * </td> <td class="paramname"><em>read_to</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> * </td> <td class="paramname"><em>read</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>read monophonic vector of length hop_size from source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> <tr><td class="paramname">read_to</td><td><a class="el" href="structfvec__t.html" title="Buffer for real data. ">fvec_t</a> of data to read to </td></tr> <tr><td class="paramname">read</td><td>upon returns, equals to number of frames actually read</td></tr> </table> </dd> </dl> <p>Upon returns, <code>read</code> contains the number of frames actually read from the source. <code>hop_size</code> if enough frames could be read, less otherwise. </p> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-sink_8c-example.html#a5">io/test-sink.c</a>, <a class="el" href="io_2test-source_8c-example.html#a4">io/test-source.c</a>, <a class="el" href="onset_2test-onset_8c-example.html#a5">onset/test-onset.c</a>, <a class="el" href="synth_2test-sampler_8c-example.html#a7">synth/test-sampler.c</a>, and <a class="el" href="tempo_2test-tempo_8c-example.html#a5">tempo/test-tempo.c</a>.</dd> </dl> </div> </div> <a id="a8dac8dc20d895ff5649dc4b582ef2712"></a> <h2 class="memtitle"><span class="permalink"><a href="#a8dac8dc20d895ff5649dc4b582ef2712">◆ </a></span>aubio_source_do_multi()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void aubio_source_do_multi </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structfmat__t.html">fmat_t</a> * </td> <td class="paramname"><em>read_to</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> * </td> <td class="paramname"><em>read</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>read polyphonic vector of length hop_size from source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramdir"></td><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> <tr><td class="paramdir"></td><td class="paramname">read_to</td><td><a class="el" href="structfmat__t.html" title="Buffer for real data. ">fmat_t</a> of data to read to </td></tr> <tr><td class="paramdir">[out]</td><td class="paramname">read</td><td>upon returns, equals to number of frames actually read</td></tr> </table> </dd> </dl> <p>Upon returns, <code>read</code> contains the number of frames actually read from the source. <code>hop_size</code> if enough frames could be read, less otherwise. </p> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-source_multi_8c-example.html#a5">io/test-source_multi.c</a>.</dd> </dl> </div> </div> <a id="a0b93063cfe2620cea7347061652c389c"></a> <h2 class="memtitle"><span class="permalink"><a href="#a0b93063cfe2620cea7347061652c389c">◆ </a></span>aubio_source_get_channels()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> aubio_source_get_channels </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>get channels of source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>channels </dd></dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-source_multi_8c-example.html#a2">io/test-source_multi.c</a>.</dd> </dl> </div> </div> <a id="a0aff78c30722264daba2b93ceaa98361"></a> <h2 class="memtitle"><span class="permalink"><a href="#a0aff78c30722264daba2b93ceaa98361">◆ </a></span>aubio_source_get_samplerate()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> aubio_source_get_samplerate </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>get samplerate of source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>samplerate, in Hz </dd></dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-sink_8c-example.html#a3">io/test-sink.c</a>, <a class="el" href="io_2test-source_8c-example.html#a3">io/test-source.c</a>, <a class="el" href="io_2test-source_multi_8c-example.html#a1">io/test-source_multi.c</a>, <a class="el" href="onset_2test-onset_8c-example.html#a1">onset/test-onset.c</a>, <a class="el" href="synth_2test-sampler_8c-example.html#a3">synth/test-sampler.c</a>, and <a class="el" href="tempo_2test-tempo_8c-example.html#a1">tempo/test-tempo.c</a>.</dd> </dl> </div> </div> <a id="ad2f97420bccc32e7ba67762d10ceb879"></a> <h2 class="memtitle"><span class="permalink"><a href="#ad2f97420bccc32e7ba67762d10ceb879">◆ </a></span>aubio_source_seek()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> aubio_source_seek </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td> <td class="paramname"><em>pos</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>seek source object </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> <tr><td class="paramname">pos</td><td>position to seek to, in frames</td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>0 if sucessful, non-zero on failure </dd></dl> </div> </div> <a id="a997e8620fd445889d498627f7e27d5c6"></a> <h2 class="memtitle"><span class="permalink"><a href="#a997e8620fd445889d498627f7e27d5c6">◆ </a></span>del_aubio_source()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void del_aubio_source </td> <td>(</td> <td class="paramtype"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a> * </td> <td class="paramname"><em>s</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>close source and cleanup memory </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">s</td><td>source object, created with <a class="el" href="source_8h.html#a095a681b83bfe88697c8b0c7918f6b53" title="create new aubio_source_t ">new_aubio_source</a> </td></tr> </table> </dd> </dl> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-sink_8c-example.html#a8">io/test-sink.c</a>, <a class="el" href="io_2test-source_8c-example.html#a8">io/test-source.c</a>, <a class="el" href="io_2test-source_multi_8c-example.html#a8">io/test-source_multi.c</a>, <a class="el" href="onset_2test-onset_8c-example.html#a11">onset/test-onset.c</a>, <a class="el" href="synth_2test-sampler_8c-example.html#a13">synth/test-sampler.c</a>, and <a class="el" href="tempo_2test-tempo_8c-example.html#a15">tempo/test-tempo.c</a>.</dd> </dl> </div> </div> <a id="a095a681b83bfe88697c8b0c7918f6b53"></a> <h2 class="memtitle"><span class="permalink"><a href="#a095a681b83bfe88697c8b0c7918f6b53">◆ </a></span>new_aubio_source()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7">aubio_source_t</a>* new_aubio_source </td> <td>(</td> <td class="paramtype"><a class="el" href="types_8h.html#a40bb5262bf908c328fbcfbe5d29d0201">char_t</a> * </td> <td class="paramname"><em>uri</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td> <td class="paramname"><em>samplerate</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="types_8h.html#a12a1e9b3ce141648783a82445d02b58d">uint_t</a> </td> <td class="paramname"><em>hop_size</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>create new <a class="el" href="source_8h.html#a1a29eaffe41a16145b0c77134fea24c7" title="media source object ">aubio_source_t</a> </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">uri</td><td>the file path or uri to read from </td></tr> <tr><td class="paramname">samplerate</td><td>sampling rate to view the fie at </td></tr> <tr><td class="paramname">hop_size</td><td>the size of the blocks to read from</td></tr> </table> </dd> </dl> <p>Creates a new source object. If <code>0</code> is passed as <code>samplerate</code>, the sample rate of the original file is used.</p> <p>The samplerate of newly created source can be obtained using <a class="el" href="source_8h.html#a0aff78c30722264daba2b93ceaa98361" title="get samplerate of source object ">aubio_source_get_samplerate</a>. </p> <dl><dt><b>Examples: </b></dt><dd><a class="el" href="io_2test-sink_8c-example.html#a2">io/test-sink.c</a>, <a class="el" href="io_2test-source_8c-example.html#a0">io/test-source.c</a>, <a class="el" href="io_2test-source_multi_8c-example.html#a0">io/test-source_multi.c</a>, <a class="el" href="onset_2test-onset_8c-example.html#a0">onset/test-onset.c</a>, <a class="el" href="synth_2test-sampler_8c-example.html#a2">synth/test-sampler.c</a>, and <a class="el" href="tempo_2test-tempo_8c-example.html#a0">tempo/test-tempo.c</a>.</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> 1.8.13 </small></address> </body> </html>