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  6.   <title>echonest.action</title>
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  41.       <span class="breadcrumbs">
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  42.         <a href="echonest-module.html">Package&nbsp;echonest</a> ::
    43. 

  43.         Module&nbsp;action
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  52.             >[<a href="frames.html" target="_top">frames</a
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  59. <h1 class="epydoc">Source Code for <a href="echonest.action-module.html">Module echonest.action</a></h1>
    60. 

  60. <pre class="py-src">
    61. 

  61. <a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/env python</tt> </tt>
    62. 

  62. <a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"># encoding: utf-8</tt> </tt>
    63. 

  63. <a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
    64. 

  64. <a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">action.py</tt> </tt>
    65. 

  65. <a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
    66. 

  66. <a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-docstring">Created by Tristan Jehan and Jason Sundram.</tt> </tt>
    67. 

  67. <a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
    68. 

  68. <a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
    69. 

  69. <a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">numpy</tt> <tt class="py-keyword">import</tt> <tt class="py-name">zeros</tt><tt class="py-op">,</tt> <tt id="link-0" class="py-name" targets="Variable echonest.video.multiply=echonest.video-module.html#multiply"><a title="echonest.video.multiply" class="py-name" href="#" onclick="return doclink('link-0', 'multiply', 'link-0');">multiply</a></tt><tt class="py-op">,</tt> <tt class="py-name">float32</tt> </tt>
    70. 

  70. <a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">math</tt> <tt class="py-keyword">import</tt> <tt class="py-name">atan</tt><tt class="py-op">,</tt> <tt id="link-1" class="py-name" targets="Variable echonest.video.pi=echonest.video-module.html#pi"><a title="echonest.video.pi" class="py-name" href="#" onclick="return doclink('link-1', 'pi', 'link-1');">pi</a></tt> </tt>
    71. 

  71. <a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">sys</tt> </tt>
    72. 

  72. <a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"> </tt>
    73. 

  73. <a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name" targets="Package echonest=echonest-module.html"><a title="echonest" class="py-name" href="#" onclick="return doclink('link-2', 'echonest', 'link-2');">echonest</a></tt><tt class="py-op">.</tt><tt id="link-3" class="py-name" targets="Module echonest.audio=echonest.audio-module.html,Variable pyechonest.artist.Artist.audio=pyechonest.artist.Artist-class.html#audio"><a title="echonest.audio
    74. 

  74. pyechonest.artist.Artist.audio" class="py-name" href="#" onclick="return doclink('link-3', 'audio', 'link-3');">audio</a></tt> <tt class="py-keyword">import</tt> <tt id="link-4" class="py-name" targets="Function echonest.audio.assemble()=echonest.audio-module.html#assemble"><a title="echonest.audio.assemble" class="py-name" href="#" onclick="return doclink('link-4', 'assemble', 'link-4');">assemble</a></tt><tt class="py-op">,</tt> <tt id="link-5" class="py-name" targets="Class echonest.audio.AudioData=echonest.audio.AudioData-class.html"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-5', 'AudioData', 'link-5');">AudioData</a></tt> </tt>
    75. 

  75. <a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">cAction</tt> <tt class="py-keyword">import</tt> <tt class="py-name">limit</tt><tt class="py-op">,</tt> <tt class="py-name">crossfade</tt><tt class="py-op">,</tt> <tt id="link-6" class="py-name" targets="Method echonest.video.EditableFrames.fadein()=echonest.video.EditableFrames-class.html#fadein"><a title="echonest.video.EditableFrames.fadein" class="py-name" href="#" onclick="return doclink('link-6', 'fadein', 'link-6');">fadein</a></tt><tt class="py-op">,</tt> <tt id="link-7" class="py-name" targets="Method echonest.video.EditableFrames.fadeout()=echonest.video.EditableFrames-class.html#fadeout"><a title="echonest.video.EditableFrames.fadeout" class="py-name" href="#" onclick="return doclink('link-7', 'fadeout', 'link-7');">fadeout</a></tt> </tt>
    76. 

  76. <a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"> </tt>
    77. 

  77. <a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">dirac</tt> </tt>
    78. 

  78. <a name="rows"></a><div id="rows-def"><a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"> </tt>
    79. 

  79. <a name="L18"></a><tt class="py-lineno"> 18</tt> <a class="py-toggle" href="#" id="rows-toggle" onclick="return toggle('rows');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action-module.html#rows">rows</a><tt class="py-op">(</tt><tt class="py-param">m</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    80. 

  80. </div><div id="rows-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="rows-expanded"><a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line">    <tt class="py-docstring">"""returns the # of rows in a numpy matrix"""</tt> </tt>
    81. 

  81. <a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">m</tt><tt class="py-op">.</tt><tt class="py-name">shape</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
    82. 

  82. </div><a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"> </tt>
    83. 

  83. <a name="make_mono"></a><div id="make_mono-def"><a name="L22"></a><tt class="py-lineno"> 22</tt> <a class="py-toggle" href="#" id="make_mono-toggle" onclick="return toggle('make_mono');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action-module.html#make_mono">make_mono</a><tt class="py-op">(</tt><tt class="py-param">track</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    84. 

  84. </div><div id="make_mono-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="make_mono-expanded"><a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line">    <tt class="py-docstring">"Converts stereo tracks to mono; leaves mono tracks alone."</tt> </tt>
    85. 

  85. <a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt id="link-8" class="py-name" targets="Module pyechonest.track=pyechonest.track-module.html"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-8', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">.</tt><tt class="py-name">ndim</tt> <tt class="py-op">==</tt> <tt class="py-number">2</tt><tt class="py-op">:</tt> </tt>
    86. 

  86. <a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line">        <tt class="py-name">mono</tt> <tt class="py-op">=</tt> <tt class="py-name">zeros</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-9" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-9', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    87. 

  87. <a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt> <tt class="py-name">d</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt id="link-10" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-10', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    88. 

  88. <a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line">            <tt class="py-name">mono</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">d</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
    89. 

  89. <a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line">        <tt id="link-11" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-11', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">mono</tt> </tt>
    90. 

  90. <a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt id="link-12" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-12', 'track', 'link-8');">track</a></tt> </tt>
    91. 

  91. </div><a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"> </tt>
    92. 

  92. <a name="make_stereo"></a><div id="make_stereo-def"><a name="L31"></a><tt class="py-lineno"> 31</tt> <a class="py-toggle" href="#" id="make_stereo-toggle" onclick="return toggle('make_stereo');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action-module.html#make_stereo">make_stereo</a><tt class="py-op">(</tt><tt class="py-param">track</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    93. 

  93. </div><div id="make_stereo-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="make_stereo-expanded"><a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">    <tt class="py-docstring">"""If the track is mono, doubles it. otherwise, does nothing."""</tt> </tt>
    94. 

  94. <a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt id="link-13" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-13', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">.</tt><tt class="py-name">ndim</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
    95. 

  95. <a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">        <tt class="py-name">stereo</tt> <tt class="py-op">=</tt> <tt class="py-name">zeros</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-14" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-14', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-number">2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    96. 

  96. <a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt> <tt class="py-name">d</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt id="link-15" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-15', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    97. 

  97. <a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">            <tt class="py-name">stereo</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">d</tt><tt class="py-op">,</tt> <tt class="py-name">d</tt><tt class="py-op">)</tt> </tt>
    98. 

  98. <a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">        <tt id="link-16" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-16', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">stereo</tt> </tt>
    99. 

  99. <a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt id="link-17" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-17', 'track', 'link-8');">track</a></tt> </tt>
    100. 

  100. </div><a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">     </tt>
    101. 

  101. <a name="render"></a><div id="render-def"><a name="L40"></a><tt class="py-lineno"> 40</tt> <a class="py-toggle" href="#" id="render-toggle" onclick="return toggle('render');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action-module.html#render">render</a><tt class="py-op">(</tt><tt class="py-param">actions</tt><tt class="py-op">,</tt> <tt class="py-param">filename</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    102. 

  102. </div><div id="render-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="render-expanded"><a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">    <tt class="py-docstring">"""Calls render on each action in actions, concatenates the results, renders an audio file, and returns a path to the file"""</tt> </tt>
    103. 

  103. <a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">    <tt class="py-name">pieces</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name" targets="Method echonest.action.Blend.render()=echonest.action.Blend-class.html#render,Method echonest.action.Crossfade.render()=echonest.action.Crossfade-class.html#render,Method echonest.action.Crossmatch.render()=echonest.action.Crossmatch-class.html#render,Method echonest.action.Fadein.render()=echonest.action.Fadein-class.html#render,Method echonest.action.Fadeout.render()=echonest.action.Fadeout-class.html#render,Method echonest.action.Playback.render()=echonest.action.Playback-class.html#render,Function echonest.action.render()=echonest.action-module.html#render,Method echonest.audio.AudioData.render()=echonest.audio.AudioData-class.html#render,Method echonest.audio.AudioQuantum.render()=echonest.audio.AudioQuantum-class.html#render,Method echonest.audio.AudioQuantumList.render()=echonest.audio.AudioQuantumList-class.html#render,Method echonest.audio.ModifiedRenderable.render()=echonest.audio.ModifiedRenderable-class.html#render,Method echonest.audio.Simultaneous.render()=echonest.audio.Simultaneous-class.html#render,Method echonest.video.ImageSequence.render()=echonest.video.ImageSequence-class.html#render"><a title="echonest.action.Blend.render
    104. 

  104. echonest.action.Crossfade.render
    105. 

  105. echonest.action.Crossmatch.render
    106. 

  106. echonest.action.Fadein.render
    107. 

  107. echonest.action.Fadeout.render
    108. 

  108. echonest.action.Playback.render
    109. 

  109. echonest.action.render
    110. 

  110. echonest.audio.AudioData.render
    111. 

  111. echonest.audio.AudioQuantum.render
    112. 

  112. echonest.audio.AudioQuantumList.render
    113. 

  113. echonest.audio.ModifiedRenderable.render
    114. 

  114. echonest.audio.Simultaneous.render
    115. 

  115. echonest.video.ImageSequence.render" class="py-name" href="#" onclick="return doclink('link-18', 'render', 'link-18');">render</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">]</tt> </tt>
    116. 

  116. <a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line">    <tt class="py-name">out</tt> <tt class="py-op">=</tt> <tt id="link-19" class="py-name"><a title="echonest.audio.assemble" class="py-name" href="#" onclick="return doclink('link-19', 'assemble', 'link-4');">assemble</a></tt><tt class="py-op">(</tt><tt class="py-name">pieces</tt><tt class="py-op">,</tt> <tt class="py-name">numChannels</tt><tt class="py-op">=</tt><tt class="py-number">2</tt><tt class="py-op">,</tt> <tt class="py-name">sampleRate</tt><tt class="py-op">=</tt><tt class="py-number">44100</tt><tt class="py-op">)</tt> <tt class="py-comment"># TODO: make these vary.</tt> </tt>
    117. 

  117. <a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">out</tt><tt class="py-op">,</tt> <tt class="py-name">out</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name" targets="Method echonest.audio.AudioData.encode()=echonest.audio.AudioData-class.html#encode,Method echonest.audio.AudioData32.encode()=echonest.audio.AudioData32-class.html#encode,Method echonest.audio.AudioRenderable.encode()=echonest.audio.AudioRenderable-class.html#encode"><a title="echonest.audio.AudioData.encode
    118. 

  118. echonest.audio.AudioData32.encode
    119. 

  119. echonest.audio.AudioRenderable.encode" class="py-name" href="#" onclick="return doclink('link-20', 'encode', 'link-20');">encode</a></tt><tt class="py-op">(</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt> </tt>
    120. 

  120. </div><a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"> </tt>
    121. 

  121. <a name="Playback"></a><div id="Playback-def"><a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line"> </tt>
    122. 

  122. <a name="L47"></a><tt class="py-lineno"> 47</tt> <a class="py-toggle" href="#" id="Playback-toggle" onclick="return toggle('Playback');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.action.Playback-class.html">Playback</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    123. 

  123. </div><div id="Playback-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Playback-expanded"><a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">    <tt class="py-docstring">"""A snippet of the given track with start and duration. Volume leveling may be applied."""</tt> </tt>
    124. 

  124. <a name="Playback.__init__"></a><div id="Playback.__init__-def"><a name="L49"></a><tt class="py-lineno"> 49</tt> <a class="py-toggle" href="#" id="Playback.__init__-toggle" onclick="return toggle('Playback.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Playback-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">track</tt><tt class="py-op">,</tt> <tt class="py-param">start</tt><tt class="py-op">,</tt> <tt class="py-param">duration</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    125. 

  125. </div><div id="Playback.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Playback.__init__-expanded"><a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-21', 'track', 'link-8');">track</a></tt> <tt class="py-op">=</tt> <tt id="link-22" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-22', 'track', 'link-8');">track</a></tt> </tt>
    126. 

  126. <a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name" targets="Variable echonest.audio.AudioQuantumList.start=echonest.audio.AudioQuantumList-class.html#start"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-23', 'start', 'link-23');">start</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-24" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-24', 'start', 'link-23');">start</a></tt><tt class="py-op">)</tt> </tt>
    127. 

  127. <a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-25" class="py-name" targets="Variable echonest.audio.AudioData.duration=echonest.audio.AudioData-class.html#duration,Variable echonest.audio.AudioQuantumList.duration=echonest.audio.AudioQuantumList-class.html#duration,Variable echonest.audio.LocalAudioFile.duration=echonest.audio.LocalAudioFile-class.html#duration,Variable echonest.audio.ModifiedRenderable.duration=echonest.audio.ModifiedRenderable-class.html#duration,Variable echonest.audio.Simultaneous.duration=echonest.audio.Simultaneous-class.html#duration,Method echonest.audio.TimeTruncateFactor.duration()=echonest.audio.TimeTruncateFactor-class.html#duration,Method echonest.audio.TimeTruncateLength.duration()=echonest.audio.TimeTruncateLength-class.html#duration,Function echonest.sorting.duration()=echonest.sorting-module.html#duration,Method echonest.video.ImageSequence.duration()=echonest.video.ImageSequence-class.html#duration"><a title="echonest.audio.AudioData.duration
    128. 

  128. echonest.audio.AudioQuantumList.duration
    129. 

  129. echonest.audio.LocalAudioFile.duration
    130. 

  130. echonest.audio.ModifiedRenderable.duration
    131. 

  131. echonest.audio.Simultaneous.duration
    132. 

  132. echonest.audio.TimeTruncateFactor.duration
    133. 

  133. echonest.audio.TimeTruncateLength.duration
    134. 

  134. echonest.sorting.duration
    135. 

  135. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-25', 'duration', 'link-25');">duration</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-26" class="py-name"><a title="echonest.audio.AudioData.duration
    136. 

  136. echonest.audio.AudioQuantumList.duration
    137. 

  137. echonest.audio.LocalAudioFile.duration
    138. 

  138. echonest.audio.ModifiedRenderable.duration
    139. 

  139. echonest.audio.Simultaneous.duration
    140. 

  140. echonest.audio.TimeTruncateFactor.duration
    141. 

  141. echonest.audio.TimeTruncateLength.duration
    142. 

  142. echonest.sorting.duration
    143. 

  143. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-26', 'duration', 'link-25');">duration</a></tt><tt class="py-op">)</tt> </tt>
    144. 

  144. </div><a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line">     </tt>
    145. 

  145. <a name="Playback.render"></a><div id="Playback.render-def"><a name="L54"></a><tt class="py-lineno"> 54</tt> <a class="py-toggle" href="#" id="Playback.render-toggle" onclick="return toggle('Playback.render');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Playback-class.html#render">render</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    146. 

  146. </div><div id="Playback.render-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Playback.render-expanded"><a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">        <tt class="py-comment"># self has start and duration, so it is a valid index into track.</tt> </tt>
    147. 

  147. <a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">        <tt class="py-name">output</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-27', 'track', 'link-8');">track</a></tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">]</tt> </tt>
    148. 

  148. <a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">        <tt class="py-comment"># Normalize volume if necessary</tt> </tt>
    149. 

  149. <a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">        <tt class="py-name">gain</tt> <tt class="py-op">=</tt> <tt class="py-name">getattr</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-28', 'track', 'link-8');">track</a></tt><tt class="py-op">,</tt> <tt class="py-string">'gain'</tt><tt class="py-op">,</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt> </tt>
    150. 

  150. <a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">gain</tt> <tt class="py-op">!=</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
    151. 

  151. <a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">            <tt class="py-comment"># limit expects a float32 vector</tt> </tt>
    152. 

  152. <a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">            <tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">limit</tt><tt class="py-op">(</tt><tt id="link-29" class="py-name"><a title="echonest.video.multiply" class="py-name" href="#" onclick="return doclink('link-29', 'multiply', 'link-0');">multiply</a></tt><tt class="py-op">(</tt><tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">float32</tt><tt class="py-op">(</tt><tt class="py-name">gain</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    153. 

  153. <a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">             </tt>
    154. 

  154. <a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">output</tt> </tt>
    155. 

  155. </div><a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">     </tt>
    156. 

  156. <a name="Playback.__repr__"></a><div id="Playback.__repr__-def"><a name="L65"></a><tt class="py-lineno"> 65</tt> <a class="py-toggle" href="#" id="Playback.__repr__-toggle" onclick="return toggle('Playback.__repr__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Playback-class.html#__repr__">__repr__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    157. 

  157. </div><div id="Playback.__repr__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Playback.__repr__-expanded"><a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"&lt;Playback '%s'&gt;"</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-30" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-30', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> </tt>
    158. 

  158. </div><a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">     </tt>
    159. 

  159. <a name="Playback.__str__"></a><div id="Playback.__str__-def"><a name="L68"></a><tt class="py-lineno"> 68</tt> <a class="py-toggle" href="#" id="Playback.__str__-toggle" onclick="return toggle('Playback.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Playback-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    160. 

  160. </div><div id="Playback.__str__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Playback.__str__-expanded"><a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"Playback\t%.3f\t-&gt; %.3f\t (%.3f)\t%s"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-31', 'start', 'link-23');">start</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-32" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-32', 'start', 'link-23');">start</a></tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-33" class="py-name"><a title="echonest.audio.AudioData.duration
    161. 

  161. echonest.audio.AudioQuantumList.duration
    162. 

  162. echonest.audio.LocalAudioFile.duration
    163. 

  163. echonest.audio.ModifiedRenderable.duration
    164. 

  164. echonest.audio.Simultaneous.duration
    165. 

  165. echonest.audio.TimeTruncateFactor.duration
    166. 

  166. echonest.audio.TimeTruncateLength.duration
    167. 

  167. echonest.sorting.duration
    168. 

  168. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-33', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-34" class="py-name"><a title="echonest.audio.AudioData.duration
    169. 

  169. echonest.audio.AudioQuantumList.duration
    170. 

  170. echonest.audio.LocalAudioFile.duration
    171. 

  171. echonest.audio.ModifiedRenderable.duration
    172. 

  172. echonest.audio.Simultaneous.duration
    173. 

  173. echonest.audio.TimeTruncateFactor.duration
    174. 

  174. echonest.audio.TimeTruncateLength.duration
    175. 

  175. echonest.sorting.duration
    176. 

  176. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-34', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-35" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-35', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
    177. 

  177. </div></div><a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line"> </tt>
    178. 

  178. <a name="Fadeout"></a><div id="Fadeout-def"><a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"> </tt>
    179. 

  179. <a name="L72"></a><tt class="py-lineno"> 72</tt> <a class="py-toggle" href="#" id="Fadeout-toggle" onclick="return toggle('Fadeout');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.action.Fadeout-class.html">Fadeout</a><tt class="py-op">(</tt><tt class="py-base-class">Playback</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    180. 

  180. </div><div id="Fadeout-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Fadeout-expanded"><a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">    <tt class="py-docstring">"""Fadeout"""</tt> </tt>
    181. 

  181. <a name="Fadeout.render"></a><div id="Fadeout.render-def"><a name="L74"></a><tt class="py-lineno"> 74</tt> <a class="py-toggle" href="#" id="Fadeout.render-toggle" onclick="return toggle('Fadeout.render');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadeout-class.html#render">render</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    182. 

  182. </div><div id="Fadeout.render-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadeout.render-expanded"><a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        <tt class="py-name">gain</tt> <tt class="py-op">=</tt> <tt class="py-name">getattr</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-36" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-36', 'track', 'link-8');">track</a></tt><tt class="py-op">,</tt> <tt class="py-string">'gain'</tt><tt class="py-op">,</tt> <tt class="py-number">1.0</tt><tt class="py-op">)</tt> </tt>
    183. 

  183. <a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">        <tt class="py-name">output</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-37" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-37', 'track', 'link-8');">track</a></tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">]</tt> </tt>
    184. 

  184. <a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">        <tt class="py-comment"># second parameter is optional -- in place function for now</tt> </tt>
    185. 

  185. <a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">        <tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt id="link-38" class="py-name"><a title="echonest.video.EditableFrames.fadeout" class="py-name" href="#" onclick="return doclink('link-38', 'fadeout', 'link-7');">fadeout</a></tt><tt class="py-op">(</tt><tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">gain</tt><tt class="py-op">)</tt> </tt>
    186. 

  186. <a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">output</tt> </tt>
    187. 

  187. </div><a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">     </tt>
    188. 

  188. <a name="Fadeout.__repr__"></a><div id="Fadeout.__repr__-def"><a name="L81"></a><tt class="py-lineno"> 81</tt> <a class="py-toggle" href="#" id="Fadeout.__repr__-toggle" onclick="return toggle('Fadeout.__repr__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadeout-class.html#__repr__">__repr__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    189. 

  189. </div><div id="Fadeout.__repr__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadeout.__repr__-expanded"><a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"&lt;Fadeout '%s'&gt;"</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-39', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> </tt>
    190. 

  190. </div><a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">     </tt>
    191. 

  191. <a name="Fadeout.__str__"></a><div id="Fadeout.__str__-def"><a name="L84"></a><tt class="py-lineno"> 84</tt> <a class="py-toggle" href="#" id="Fadeout.__str__-toggle" onclick="return toggle('Fadeout.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadeout-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    192. 

  192. </div><div id="Fadeout.__str__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadeout.__str__-expanded"><a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"Fade out\t%.3f\t-&gt; %.3f\t (%.3f)\t%s"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-40" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-40', 'start', 'link-23');">start</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-41" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-41', 'start', 'link-23');">start</a></tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-42" class="py-name"><a title="echonest.audio.AudioData.duration
    193. 

  193. echonest.audio.AudioQuantumList.duration
    194. 

  194. echonest.audio.LocalAudioFile.duration
    195. 

  195. echonest.audio.ModifiedRenderable.duration
    196. 

  196. echonest.audio.Simultaneous.duration
    197. 

  197. echonest.audio.TimeTruncateFactor.duration
    198. 

  198. echonest.audio.TimeTruncateLength.duration
    199. 

  199. echonest.sorting.duration
    200. 

  200. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-42', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-43" class="py-name"><a title="echonest.audio.AudioData.duration
    201. 

  201. echonest.audio.AudioQuantumList.duration
    202. 

  202. echonest.audio.LocalAudioFile.duration
    203. 

  203. echonest.audio.ModifiedRenderable.duration
    204. 

  204. echonest.audio.Simultaneous.duration
    205. 

  205. echonest.audio.TimeTruncateFactor.duration
    206. 

  206. echonest.audio.TimeTruncateLength.duration
    207. 

  207. echonest.sorting.duration
    208. 

  208. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-43', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-44" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-44', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
    209. 

  209. </div></div><a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line"> </tt>
    210. 

  210. <a name="Fadein"></a><div id="Fadein-def"><a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line"> </tt>
    211. 

  211. <a name="L88"></a><tt class="py-lineno"> 88</tt> <a class="py-toggle" href="#" id="Fadein-toggle" onclick="return toggle('Fadein');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.action.Fadein-class.html">Fadein</a><tt class="py-op">(</tt><tt class="py-base-class">Playback</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    212. 

  212. </div><div id="Fadein-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Fadein-expanded"><a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">    <tt class="py-docstring">"""Fadein"""</tt> </tt>
    213. 

  213. <a name="Fadein.render"></a><div id="Fadein.render-def"><a name="L90"></a><tt class="py-lineno"> 90</tt> <a class="py-toggle" href="#" id="Fadein.render-toggle" onclick="return toggle('Fadein.render');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadein-class.html#render">render</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    214. 

  214. </div><div id="Fadein.render-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadein.render-expanded"><a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">gain</tt> <tt class="py-op">=</tt> <tt class="py-name">getattr</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-45" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-45', 'track', 'link-8');">track</a></tt><tt class="py-op">,</tt> <tt class="py-string">'gain'</tt><tt class="py-op">,</tt> <tt class="py-number">1.0</tt><tt class="py-op">)</tt> </tt>
    215. 

  215. <a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">        <tt class="py-name">output</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-46" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-46', 'track', 'link-8');">track</a></tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">]</tt> </tt>
    216. 

  216. <a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">        <tt class="py-comment"># second parameter is optional -- in place function for now</tt> </tt>
    217. 

  217. <a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">        <tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt id="link-47" class="py-name"><a title="echonest.video.EditableFrames.fadein" class="py-name" href="#" onclick="return doclink('link-47', 'fadein', 'link-6');">fadein</a></tt><tt class="py-op">(</tt><tt class="py-name">output</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">gain</tt><tt class="py-op">)</tt> </tt>
    218. 

  218. <a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">output</tt> </tt>
    219. 

  219. </div><a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">     </tt>
    220. 

  220. <a name="Fadein.__repr__"></a><div id="Fadein.__repr__-def"><a name="L97"></a><tt class="py-lineno"> 97</tt> <a class="py-toggle" href="#" id="Fadein.__repr__-toggle" onclick="return toggle('Fadein.__repr__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadein-class.html#__repr__">__repr__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    221. 

  221. </div><div id="Fadein.__repr__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadein.__repr__-expanded"><a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"&lt;Fadein '%s'&gt;"</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-48" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-48', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> </tt>
    222. 

  222. </div><a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">     </tt>
    223. 

  223. <a name="Fadein.__str__"></a><div id="Fadein.__str__-def"><a name="L100"></a><tt class="py-lineno">100</tt> <a class="py-toggle" href="#" id="Fadein.__str__-toggle" onclick="return toggle('Fadein.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Fadein-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    224. 

  224. </div><div id="Fadein.__str__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Fadein.__str__-expanded"><a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">"Fade in\t%.3f\t-&gt; %.3f\t (%.3f)\t%s"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-49" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-49', 'start', 'link-23');">start</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-50" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-50', 'start', 'link-23');">start</a></tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-51" class="py-name"><a title="echonest.audio.AudioData.duration
    225. 

  225. echonest.audio.AudioQuantumList.duration
    226. 

  226. echonest.audio.LocalAudioFile.duration
    227. 

  227. echonest.audio.ModifiedRenderable.duration
    228. 

  228. echonest.audio.Simultaneous.duration
    229. 

  229. echonest.audio.TimeTruncateFactor.duration
    230. 

  230. echonest.audio.TimeTruncateLength.duration
    231. 

  231. echonest.sorting.duration
    232. 

  232. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-51', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-52" class="py-name"><a title="echonest.audio.AudioData.duration
    233. 

  233. echonest.audio.AudioQuantumList.duration
    234. 

  234. echonest.audio.LocalAudioFile.duration
    235. 

  235. echonest.audio.ModifiedRenderable.duration
    236. 

  236. echonest.audio.Simultaneous.duration
    237. 

  237. echonest.audio.TimeTruncateFactor.duration
    238. 

  238. echonest.audio.TimeTruncateLength.duration
    239. 

  239. echonest.sorting.duration
    240. 

  240. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-52', 'duration', 'link-25');">duration</a></tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-53" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-53', 'track', 'link-8');">track</a></tt><tt class="py-op">.</tt><tt class="py-name">analysis</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
    241. 

  241. </div></div><a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"> </tt>
    242. 

  242. <a name="Edit"></a><div id="Edit-def"><a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line"> </tt>
    243. 

  243. <a name="L104"></a><tt class="py-lineno">104</tt> <a class="py-toggle" href="#" id="Edit-toggle" onclick="return toggle('Edit');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.action.Edit-class.html">Edit</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    244. 

  244. </div><div id="Edit-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Edit-expanded"><a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">    <tt class="py-docstring">"""Refer to a snippet of audio"""</tt> </tt>
    245. 

  245. <a name="Edit.__init__"></a><div id="Edit.__init__-def"><a name="L106"></a><tt class="py-lineno">106</tt> <a class="py-toggle" href="#" id="Edit.__init__-toggle" onclick="return toggle('Edit.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.action.Edit-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">track</tt><tt class="py-op">,</tt> <tt class="py-param">start</tt><tt class="py-op">,</tt> <tt class="py-param">duration</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    246. 

  246. </div><div id="Edit.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Edit.__init__-expanded"><a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-54" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-54', 'track', 'link-8');">track</a></tt> <tt class="py-op">=</tt> <tt id="link-55" class="py-name"><a title="pyechonest.track" class="py-name" href="#" onclick="return doclink('link-55', 'track', 'link-8');">track</a></tt> </tt>
    247. 

  247. <a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-56" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-56', 'start', 'link-23');">start</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-57" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-57', 'start', 'link-23');">start</a></tt><tt class="py-op">)</tt> </tt>
    248. 

  248. <a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-58" class="py-name"><a title="echonest.audio.AudioData.duration
    249. 

  249. echonest.audio.AudioQuantumList.duration
    250. 

  250. echonest.audio.LocalAudioFile.duration
    251. 

  251. echonest.audio.ModifiedRenderable.duration
    252. 

  252. echonest.audio.Simultaneous.duration
    253. 

  253. echonest.audio.TimeTruncateFactor.duration
    254. 

  254. echonest.audio.TimeTruncateLength.duration
    255. 

  255. echonest.sorting.duration
    256. 

  256. echonest.video.ImageSequence.duration" class="py-name" href="#" onclick="return doclink('link-58', 'duration', 'link-25');">duration</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt id="link-59" class="py-name"><a title="echonest.audio.AudioData.duration
    257. 

  257. echonest.audio.AudioQuantumList.duration
    258. 

  258. echonest.audio.LocalAudioFile.duration
    259. 

  259. echonest.audio.ModifiedRenderable.duration
    260. 

  260. echonest.audio.Simultaneous.duration
    261. 

  261. echonest.audio.TimeTruncateFactor.duration
    262. 

  262. echonest.audio.TimeTruncateLength.duration
    263. 

  263. echonest.sorting.duration
    264. 

  264. echonest.video.ImageSequence.dura…
    265.