87 lines
2.6 KiB
C++
Executable File
87 lines
2.6 KiB
C++
Executable File
/*
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* Simple Gate (source)
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*
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* File : SimpleGate.cpp
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* Library : SimpleSource
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* Version : 1.12
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* Implements : SimpleGate, SimpleGateRms
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*
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* © 2006, ChunkWare Music Software, OPEN-SOURCE
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "SimpleGate.h"
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namespace chunkware_simple
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{
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//-------------------------------------------------------------
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SimpleGate::SimpleGate()
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: AttRelEnvelope( 1.0, 100.0 )
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, threshdB_( 0.0 )
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, thresh_( 1.0 )
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, env_( DC_OFFSET )
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{
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}
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//-------------------------------------------------------------
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void SimpleGate::setThresh( double dB )
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{
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threshdB_ = dB;
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thresh_ = dB2lin( dB );
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}
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//-------------------------------------------------------------
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void SimpleGate::initRuntime( void )
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{
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env_ = DC_OFFSET;
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}
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//-------------------------------------------------------------
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// simple gate with RMS detection
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//-------------------------------------------------------------
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SimpleGateRms::SimpleGateRms()
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: ave_( 5.0 )
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, aveOfSqrs_( DC_OFFSET )
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{
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}
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//-------------------------------------------------------------
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void SimpleGateRms::setSampleRate( double sampleRate )
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{
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SimpleGate::setSampleRate( sampleRate );
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ave_.setSampleRate( sampleRate );
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}
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//-------------------------------------------------------------
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void SimpleGateRms::setWindow( double ms )
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{
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ave_.setTc( ms );
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}
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//-------------------------------------------------------------
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void SimpleGateRms::initRuntime( void )
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{
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SimpleGate::initRuntime();
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aveOfSqrs_ = DC_OFFSET;
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}
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} // end namespace chunkware_simple
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