/apidocs/echonest.support.midi.MidiInFile-pysrc.html
HTML | 177 lines | 146 code | 10 blank | 21 comment | 0 complexity | 4a6b50a181af839a9e3284580569ba19 MD5 | raw file
1<?xml version="1.0" encoding="ascii"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 3 "DTD/xhtml1-transitional.dtd"> 4<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 5<head> 6 <title>echonest.support.midi.MidiInFile</title> 7 <link rel="stylesheet" href="epydoc.css" type="text/css" /> 8 <script type="text/javascript" src="epydoc.js"></script> 9</head> 10 11<body bgcolor="white" text="black" link="blue" vlink="#204080" 12 alink="#204080"> 13<!-- ==================== NAVIGATION BAR ==================== --> 14<table class="navbar" border="0" width="100%" cellpadding="0" 15 bgcolor="#a0c0ff" cellspacing="0"> 16 <tr valign="middle"> 17 18 <!-- Tree link --> 19 <th> <a 20 href="module-tree.html">Trees</a> </th> 21 22 <!-- Index link --> 23 <th> <a 24 href="identifier-index.html">Indices</a> </th> 25 26 <!-- Help link --> 27 <th> <a 28 href="help.html">Help</a> </th> 29 30 <!-- Project homepage --> 31 <th class="navbar" align="right" width="100%"> 32 <table border="0" cellpadding="0" cellspacing="0"> 33 <tr><th class="navbar" align="center" 34 ><a class="navbar" target="_top" href="http://code.google.com/p/echo-nest-remix/">Project Homepage</a></th> 35 </tr></table></th> 36 </tr> 37</table> 38<table width="100%" cellpadding="0" cellspacing="0"> 39 <tr valign="top"> 40 <td width="100%"> 41 <span class="breadcrumbs"> 42 <a href="echonest-module.html">Package echonest</a> :: 43 <a href="echonest.support-module.html">Package support</a> :: 44 <a href="echonest.support.midi-module.html">Package midi</a> :: 45 Module MidiInFile 46 </span> 47 </td> 48 <td> 49 <table cellpadding="0" cellspacing="0"> 50 <!-- hide/show private --> 51 <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink" 52 onclick="toggle_private();">hide private</a>]</span></td></tr> 53 <tr><td align="right"><span class="options" 54 >[<a href="frames.html" target="_top">frames</a 55 >] | <a href="echonest.support.midi.MidiInFile-pysrc.html" 56 target="_top">no frames</a>]</span></td></tr> 57 </table> 58 </td> 59 </tr> 60</table> 61<h1 class="epydoc">Source Code for <a href="echonest.support.midi.MidiInFile-module.html">Module echonest.support.midi.MidiInFile</a></h1> 62<pre class="py-src"> 63<a name="L1"></a><tt class="py-lineno"> 1</tt> <tt class="py-line"><tt class="py-comment"># -*- coding: ISO-8859-1 -*-</tt> </tt> 64<a name="L2"></a><tt class="py-lineno"> 2</tt> <tt class="py-line"> </tt> 65<a name="L3"></a><tt class="py-lineno"> 3</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module echonest.support.midi.RawInstreamFile=echonest.support.midi.RawInstreamFile-module.html,Class echonest.support.midi.RawInstreamFile.RawInstreamFile=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html"><a title="echonest.support.midi.RawInstreamFile 66echonest.support.midi.RawInstreamFile.RawInstreamFile" class="py-name" href="#" onclick="return doclink('link-0', 'RawInstreamFile', 'link-0');">RawInstreamFile</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name"><a title="echonest.support.midi.RawInstreamFile 67echonest.support.midi.RawInstreamFile.RawInstreamFile" class="py-name" href="#" onclick="return doclink('link-1', 'RawInstreamFile', 'link-0');">RawInstreamFile</a></tt> </tt> 68<a name="L4"></a><tt class="py-lineno"> 4</tt> <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name" targets="Module echonest.support.midi.MidiFileParser=echonest.support.midi.MidiFileParser-module.html,Class echonest.support.midi.MidiFileParser.MidiFileParser=echonest.support.midi.MidiFileParser.MidiFileParser-class.html"><a title="echonest.support.midi.MidiFileParser 69echonest.support.midi.MidiFileParser.MidiFileParser" class="py-name" href="#" onclick="return doclink('link-2', 'MidiFileParser', 'link-2');">MidiFileParser</a></tt> <tt class="py-keyword">import</tt> <tt id="link-3" class="py-name"><a title="echonest.support.midi.MidiFileParser 70echonest.support.midi.MidiFileParser.MidiFileParser" class="py-name" href="#" onclick="return doclink('link-3', 'MidiFileParser', 'link-2');">MidiFileParser</a></tt> </tt> 71<a name="L5"></a><tt class="py-lineno"> 5</tt> <tt class="py-line"> </tt> 72<a name="L6"></a><tt class="py-lineno"> 6</tt> <tt class="py-line"> </tt> 73<a name="MidiInFile"></a><div id="MidiInFile-def"><a name="L7"></a><tt class="py-lineno"> 7</tt> <a class="py-toggle" href="#" id="MidiInFile-toggle" onclick="return toggle('MidiInFile');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.support.midi.MidiInFile.MidiInFile-class.html">MidiInFile</a><tt class="py-op">:</tt> </tt> 74</div><div id="MidiInFile-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="MidiInFile-expanded"><a name="L8"></a><tt class="py-lineno"> 8</tt> <tt class="py-line"> </tt> 75<a name="L9"></a><tt class="py-lineno"> 9</tt> <tt class="py-line"> <tt class="py-docstring">""" </tt> </tt> 76<a name="L10"></a><tt class="py-lineno">10</tt> <tt class="py-line"><tt class="py-docstring"> </tt> </tt> 77<a name="L11"></a><tt class="py-lineno">11</tt> <tt class="py-line"><tt class="py-docstring"> Parses a midi file, and triggers the midi events on the outStream </tt> </tt> 78<a name="L12"></a><tt class="py-lineno">12</tt> <tt class="py-line"><tt class="py-docstring"> object. </tt> </tt> 79<a name="L13"></a><tt class="py-lineno">13</tt> <tt class="py-line"><tt class="py-docstring"> </tt> </tt> 80<a name="L14"></a><tt class="py-lineno">14</tt> <tt class="py-line"><tt class="py-docstring"> Get example data from a minimal midi file, generated with cubase. </tt> </tt> 81<a name="L15"></a><tt class="py-lineno">15</tt> <tt class="py-line"><tt class="py-docstring"> >>> test_file = 'C:/Documents and Settings/maxm/Desktop/temp/midi/src/midi/tests/midifiles/minimal-cubase-type0.mid' </tt> </tt> 82<a name="L16"></a><tt class="py-lineno">16</tt> <tt class="py-line"><tt class="py-docstring"> </tt> </tt> 83<a name="L17"></a><tt class="py-lineno">17</tt> <tt class="py-line"><tt class="py-docstring"> Do parsing, and generate events with MidiToText, </tt> </tt> 84<a name="L18"></a><tt class="py-lineno">18</tt> <tt class="py-line"><tt class="py-docstring"> so we can see what a minimal midi file contains </tt> </tt> 85<a name="L19"></a><tt class="py-lineno">19</tt> <tt class="py-line"><tt class="py-docstring"> >>> from MidiToText import MidiToText </tt> </tt> 86<a name="L20"></a><tt class="py-lineno">20</tt> <tt class="py-line"><tt class="py-docstring"> >>> midi_in = MidiInFile(MidiToText(), test_file) </tt> </tt> 87<a name="L21"></a><tt class="py-lineno">21</tt> <tt class="py-line"><tt class="py-docstring"> >>> midi_in.read() </tt> </tt> 88<a name="L22"></a><tt class="py-lineno">22</tt> <tt class="py-line"><tt class="py-docstring"> format: 0, nTracks: 1, division: 480 </tt> </tt> 89<a name="L23"></a><tt class="py-lineno">23</tt> <tt class="py-line"><tt class="py-docstring"> ---------------------------------- </tt> </tt> 90<a name="L24"></a><tt class="py-lineno">24</tt> <tt class="py-line"><tt class="py-docstring"> <BLANKLINE> </tt> </tt> 91<a name="L25"></a><tt class="py-lineno">25</tt> <tt class="py-line"><tt class="py-docstring"> Start - track #0 </tt> </tt> 92<a name="L26"></a><tt class="py-lineno">26</tt> <tt class="py-line"><tt class="py-docstring"> sequence_name: Type 0 </tt> </tt> 93<a name="L27"></a><tt class="py-lineno">27</tt> <tt class="py-line"><tt class="py-docstring"> tempo: 500000 </tt> </tt> 94<a name="L28"></a><tt class="py-lineno">28</tt> <tt class="py-line"><tt class="py-docstring"> time_signature: 4 2 24 8 </tt> </tt> 95<a name="L29"></a><tt class="py-lineno">29</tt> <tt class="py-line"><tt class="py-docstring"> note_on - ch:00, note:48, vel:64 time:0 </tt> </tt> 96<a name="L30"></a><tt class="py-lineno">30</tt> <tt class="py-line"><tt class="py-docstring"> note_off - ch:00, note:48, vel:40 time:480 </tt> </tt> 97<a name="L31"></a><tt class="py-lineno">31</tt> <tt class="py-line"><tt class="py-docstring"> End of track </tt> </tt> 98<a name="L32"></a><tt class="py-lineno">32</tt> <tt class="py-line"><tt class="py-docstring"> <BLANKLINE> </tt> </tt> 99<a name="L33"></a><tt class="py-lineno">33</tt> <tt class="py-line"><tt class="py-docstring"> End of file </tt> </tt> 100<a name="L34"></a><tt class="py-lineno">34</tt> <tt class="py-line"><tt class="py-docstring"> </tt> </tt> 101<a name="L35"></a><tt class="py-lineno">35</tt> <tt class="py-line"><tt class="py-docstring"> </tt> </tt> 102<a name="L36"></a><tt class="py-lineno">36</tt> <tt class="py-line"><tt class="py-docstring"> """</tt> </tt> 103<a name="L37"></a><tt class="py-lineno">37</tt> <tt class="py-line"> </tt> 104<a name="MidiInFile.__init__"></a><div id="MidiInFile.__init__-def"><a name="L38"></a><tt class="py-lineno">38</tt> <a class="py-toggle" href="#" id="MidiInFile.__init__-toggle" onclick="return toggle('MidiInFile.__init__');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.MidiInFile.MidiInFile-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">outStream</tt><tt class="py-op">,</tt> <tt class="py-param">infile</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt> 105</div><div id="MidiInFile.__init__-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="MidiInFile.__init__-expanded"><a name="L39"></a><tt class="py-lineno">39</tt> <tt class="py-line"> <tt class="py-comment"># these could also have been mixins, would that be better? Nah!</tt> </tt> 106<a name="L40"></a><tt class="py-lineno">40</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">raw_in</tt> <tt class="py-op">=</tt> <tt id="link-4" class="py-name"><a title="echonest.support.midi.RawInstreamFile 107echonest.support.midi.RawInstreamFile.RawInstreamFile" class="py-name" href="#" onclick="return doclink('link-4', 'RawInstreamFile', 'link-0');">RawInstreamFile</a></tt><tt class="py-op">(</tt><tt class="py-name">infile</tt><tt class="py-op">)</tt> </tt> 108<a name="L41"></a><tt class="py-lineno">41</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">parser</tt> <tt class="py-op">=</tt> <tt id="link-5" class="py-name"><a title="echonest.support.midi.MidiFileParser 109echonest.support.midi.MidiFileParser.MidiFileParser" class="py-name" href="#" onclick="return doclink('link-5', 'MidiFileParser', 'link-2');">MidiFileParser</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">raw_in</tt><tt class="py-op">,</tt> <tt class="py-name">outStream</tt><tt class="py-op">)</tt> </tt> 110</div><a name="L42"></a><tt class="py-lineno">42</tt> <tt class="py-line"> </tt> 111<a name="L43"></a><tt class="py-lineno">43</tt> <tt class="py-line"> </tt> 112<a name="MidiInFile.read"></a><div id="MidiInFile.read-def"><a name="L44"></a><tt class="py-lineno">44</tt> <a class="py-toggle" href="#" id="MidiInFile.read-toggle" onclick="return toggle('MidiInFile.read');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.MidiInFile.MidiInFile-class.html#read">read</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt> 113</div><div id="MidiInFile.read-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="MidiInFile.read-expanded"><a name="L45"></a><tt class="py-lineno">45</tt> <tt class="py-line"> <tt class="py-docstring">"Start parsing the file"</tt> </tt> 114<a name="L46"></a><tt class="py-lineno">46</tt> <tt class="py-line"> <tt class="py-name">p</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">parser</tt> </tt> 115<a name="L47"></a><tt class="py-lineno">47</tt> <tt class="py-line"> <tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name" targets="Method echonest.support.midi.MidiFileParser.MidiFileParser.parseMThdChunk()=echonest.support.midi.MidiFileParser.MidiFileParser-class.html#parseMThdChunk"><a title="echonest.support.midi.MidiFileParser.MidiFileParser.parseMThdChunk" class="py-name" href="#" onclick="return doclink('link-6', 'parseMThdChunk', 'link-6');">parseMThdChunk</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt> 116<a name="L48"></a><tt class="py-lineno">48</tt> <tt class="py-line"> <tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Method echonest.support.midi.MidiFileParser.MidiFileParser.parseMTrkChunks()=echonest.support.midi.MidiFileParser.MidiFileParser-class.html#parseMTrkChunks"><a title="echonest.support.midi.MidiFileParser.MidiFileParser.parseMTrkChunks" class="py-name" href="#" onclick="return doclink('link-7', 'parseMTrkChunks', 'link-7');">parseMTrkChunks</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt> 117</div><a name="L49"></a><tt class="py-lineno">49</tt> <tt class="py-line"> </tt> 118<a name="L50"></a><tt class="py-lineno">50</tt> <tt class="py-line"> </tt> 119<a name="MidiInFile.setData"></a><div id="MidiInFile.setData-def"><a name="L51"></a><tt class="py-lineno">51</tt> <a class="py-toggle" href="#" id="MidiInFile.setData-toggle" onclick="return toggle('MidiInFile.setData');">-</a><tt class="py-line"> <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.support.midi.MidiInFile.MidiInFile-class.html#setData">setData</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">data</tt><tt class="py-op">=</tt><tt class="py-string">''</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt> 120</div><div id="MidiInFile.setData-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="MidiInFile.setData-expanded"><a name="L52"></a><tt class="py-lineno">52</tt> <tt class="py-line"> <tt class="py-docstring">"Sets the data from a plain string"</tt> </tt> 121<a name="L53"></a><tt class="py-lineno">53</tt> <tt class="py-line"> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">raw_in</tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Method echonest.support.midi.MidiInFile.MidiInFile.setData()=echonest.support.midi.MidiInFile.MidiInFile-class.html#setData,Method echonest.support.midi.RawInstreamFile.RawInstreamFile.setData()=echonest.support.midi.RawInstreamFile.RawInstreamFile-class.html#setData"><a title="echonest.support.midi.MidiInFile.MidiInFile.setData 122echonest.support.midi.RawInstreamFile.RawInstreamFile.setData" class="py-name" href="#" onclick="return doclink('link-8', 'setData', 'link-8');">setData</a></tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt> 123</div></div><a name="L54"></a><tt class="py-lineno">54</tt> <tt class="py-line"> </tt><script type="text/javascript"> 124<!-- 125expandto(location.href); 126// --> 127</script> 128</pre> 129<br /> 130<!-- ==================== NAVIGATION BAR ==================== --> 131<table class="navbar" border="0" width="100%" cellpadding="0" 132 bgcolor="#a0c0ff" cellspacing="0"> 133 <tr valign="middle"> 134 135 <!-- Tree link --> 136 <th> <a 137 href="module-tree.html">Trees</a> </th> 138 139 <!-- Index link --> 140 <th> <a 141 href="identifier-index.html">Indices</a> </th> 142 143 <!-- Help link --> 144 <th> <a 145 href="help.html">Help</a> </th> 146 147 <!-- Project homepage --> 148 <th 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