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<div class="title">SimpleGate.cpp</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Simple Gate (source)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * File : SimpleGate.cpp</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Library : SimpleSource</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Version : 1.12</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Implements : SimpleGate, SimpleGateRms</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * 2006, ChunkWare Music Software, OPEN-SOURCE</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "SimpleGate.h"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>chunkware_simple</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate.html#ad9d34365dcd32fb7f38b10edbc1dd239"> 35</a></span>  <a class="code" href="classchunkware__simple_1_1_simple_gate.html#ad9d34365dcd32fb7f38b10edbc1dd239">SimpleGate::SimpleGate</a>()</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  : <a class="code" href="classchunkware__simple_1_1_att_rel_envelope.html">AttRelEnvelope</a>( 1.0, 100.0 )</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  , threshdB_( 0.0 )</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  , thresh_( 1.0 )</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  , env_( DC_OFFSET )</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate.html#afe9eda931acd76c61bb8c6c90aec887e"> 44</a></span>  <span class="keywordtype">void</span> <a class="code" href="classchunkware__simple_1_1_simple_gate.html#afe9eda931acd76c61bb8c6c90aec887e">SimpleGate::setThresh</a>( <span class="keywordtype">double</span> dB )</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  threshdB_ = dB;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  thresh_ = dB2lin( dB );</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate.html#a31f66b219941b58d2b55e55b8c6bd3c0"> 51</a></span>  <span class="keywordtype">void</span> <a class="code" href="classchunkware__simple_1_1_simple_gate.html#a31f66b219941b58d2b55e55b8c6bd3c0">SimpleGate::initRuntime</a>( <span class="keywordtype">void</span> )</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  env_ = DC_OFFSET;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// simple gate with RMS detection</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate_rms.html#a751db5254f92573374ce646f08085764"> 59</a></span>  <a class="code" href="classchunkware__simple_1_1_simple_gate_rms.html#a751db5254f92573374ce646f08085764">SimpleGateRms::SimpleGateRms</a>()</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  : ave_( 5.0 )</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  , aveOfSqrs_( DC_OFFSET )</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate_rms.html#aceb2be195be1865ee30b6b5b5233db1d"> 66</a></span>  <span class="keywordtype">void</span> <a class="code" href="classchunkware__simple_1_1_simple_gate_rms.html#aceb2be195be1865ee30b6b5b5233db1d">SimpleGateRms::setSampleRate</a>( <span class="keywordtype">double</span> sampleRate )</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classchunkware__simple_1_1_att_rel_envelope.html#acf999b59d1caf81242581b89493a58d4">SimpleGate::setSampleRate</a>( sampleRate );</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  ave_.<a class="code" href="classchunkware__simple_1_1_envelope_detector.html#a7a21ca55dbae891713e16ac87a99dad6">setSampleRate</a>( sampleRate );</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate_rms.html#a26e43e91ea5792139a09c2a589f41308"> 73</a></span>  <span class="keywordtype">void</span> <a class="code" href="classchunkware__simple_1_1_simple_gate_rms.html#a26e43e91ea5792139a09c2a589f41308">SimpleGateRms::setWindow</a>( <span class="keywordtype">double</span> ms )</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ave_.<a class="code" href="classchunkware__simple_1_1_envelope_detector.html#aa447ae08e15a747b61b567cbea4289e6">setTc</a>( ms );</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classchunkware__simple_1_1_simple_gate_rms.html#a949b712b214fa535063db11e6e1040bd"> 79</a></span>  <span class="keywordtype">void</span> <a class="code" href="classchunkware__simple_1_1_simple_gate_rms.html#a949b712b214fa535063db11e6e1040bd">SimpleGateRms::initRuntime</a>( <span class="keywordtype">void</span> )</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classchunkware__simple_1_1_simple_gate.html#a31f66b219941b58d2b55e55b8c6bd3c0">SimpleGate::initRuntime</a>();</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  aveOfSqrs_ = DC_OFFSET;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> } <span class="comment">// end namespace chunkware_simple</span></div>
<div class="ttc" id="aclasschunkware__simple_1_1_att_rel_envelope_html"><div class="ttname"><a href="classchunkware__simple_1_1_att_rel_envelope.html">chunkware_simple::AttRelEnvelope</a></div><div class="ttdoc">attack/release envelope</div><div class="ttdef"><b>Definition:</b> <a href="_simple_envelope_8h_source.html#l00085">SimpleEnvelope.h:86</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_att_rel_envelope_html_acf999b59d1caf81242581b89493a58d4"><div class="ttname"><a href="classchunkware__simple_1_1_att_rel_envelope.html#acf999b59d1caf81242581b89493a58d4">chunkware_simple::AttRelEnvelope::setSampleRate</a></div><div class="ttdeci">virtual void setSampleRate(double sampleRate)</div><div class="ttdoc">Sample rate dependencies.</div><div class="ttdef"><b>Definition:</b> <a href="_simple_envelope_8cpp_source.html#l00093">SimpleEnvelope.cpp:93</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_envelope_detector_html_a7a21ca55dbae891713e16ac87a99dad6"><div class="ttname"><a href="classchunkware__simple_1_1_envelope_detector.html#a7a21ca55dbae891713e16ac87a99dad6">chunkware_simple::EnvelopeDetector::setSampleRate</a></div><div class="ttdeci">virtual void setSampleRate(double sampleRate)</div><div class="ttdoc">set sample rate</div><div class="ttdef"><b>Definition:</b> <a href="_simple_envelope_8cpp_source.html#l00058">SimpleEnvelope.cpp:58</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_envelope_detector_html_aa447ae08e15a747b61b567cbea4289e6"><div class="ttname"><a href="classchunkware__simple_1_1_envelope_detector.html#aa447ae08e15a747b61b567cbea4289e6">chunkware_simple::EnvelopeDetector::setTc</a></div><div class="ttdeci">virtual void setTc(double ms)</div><div class="ttdoc">set time constant</div><div class="ttdef"><b>Definition:</b> <a href="_simple_envelope_8cpp_source.html#l00050">SimpleEnvelope.cpp:50</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_html_a31f66b219941b58d2b55e55b8c6bd3c0"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate.html#a31f66b219941b58d2b55e55b8c6bd3c0">chunkware_simple::SimpleGate::initRuntime</a></div><div class="ttdeci">virtual void initRuntime(void)</div><div class="ttdoc">Init runtime.</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00051">SimpleGate.cpp:51</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_html_ad9d34365dcd32fb7f38b10edbc1dd239"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate.html#ad9d34365dcd32fb7f38b10edbc1dd239">chunkware_simple::SimpleGate::SimpleGate</a></div><div class="ttdeci">SimpleGate()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00035">SimpleGate.cpp:35</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_html_afe9eda931acd76c61bb8c6c90aec887e"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate.html#afe9eda931acd76c61bb8c6c90aec887e">chunkware_simple::SimpleGate::setThresh</a></div><div class="ttdeci">virtual void setThresh(double dB)</div><div class="ttdoc">set threshold</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00044">SimpleGate.cpp:44</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_rms_html_a26e43e91ea5792139a09c2a589f41308"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate_rms.html#a26e43e91ea5792139a09c2a589f41308">chunkware_simple::SimpleGateRms::setWindow</a></div><div class="ttdeci">virtual void setWindow(double ms)</div><div class="ttdoc">set RMS window</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00073">SimpleGate.cpp:73</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_rms_html_a751db5254f92573374ce646f08085764"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate_rms.html#a751db5254f92573374ce646f08085764">chunkware_simple::SimpleGateRms::SimpleGateRms</a></div><div class="ttdeci">SimpleGateRms()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00059">SimpleGate.cpp:59</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_rms_html_a949b712b214fa535063db11e6e1040bd"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate_rms.html#a949b712b214fa535063db11e6e1040bd">chunkware_simple::SimpleGateRms::initRuntime</a></div><div class="ttdeci">virtual void initRuntime(void)</div><div class="ttdoc">call before runtime (in resume())</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00079">SimpleGate.cpp:79</a></div></div>
<div class="ttc" id="aclasschunkware__simple_1_1_simple_gate_rms_html_aceb2be195be1865ee30b6b5b5233db1d"><div class="ttname"><a href="classchunkware__simple_1_1_simple_gate_rms.html#aceb2be195be1865ee30b6b5b5233db1d">chunkware_simple::SimpleGateRms::setSampleRate</a></div><div class="ttdeci">virtual void setSampleRate(double sampleRate)</div><div class="ttdoc">set sample rate</div><div class="ttdef"><b>Definition:</b> <a href="_simple_gate_8cpp_source.html#l00066">SimpleGate.cpp:66</a></div></div>
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