/* * Simple Compressor (source) * * File : SimpleComp.cpp * Library : SimpleSource * Version : 1.12 * Implements : SimpleComp, SimpleCompRms * * © 2006, ChunkWare Music Software, OPEN-SOURCE * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "SimpleComp.h" namespace chunkware_simple { //------------------------------------------------------------- // simple compressor //------------------------------------------------------------- SimpleComp::SimpleComp() : AttRelEnvelope( 10.0, 100.0 ) , threshdB_( 0.0 ) , ratio_( 1.0 ) , envdB_( DC_OFFSET ) { } //------------------------------------------------------------- void SimpleComp::setThresh( double dB ) { threshdB_ = dB; } //------------------------------------------------------------- void SimpleComp::setRatio( double ratio ) { assert( ratio > 0.0 ); ratio_ = ratio; } //------------------------------------------------------------- void SimpleComp::initRuntime( void ) { envdB_ = DC_OFFSET; } //------------------------------------------------------------- // simple compressor with RMS detection //------------------------------------------------------------- SimpleCompRms::SimpleCompRms() : ave_( 5.0 ) , aveOfSqrs_( DC_OFFSET ) { } //------------------------------------------------------------- void SimpleCompRms::setSampleRate( double sampleRate ) { SimpleComp::setSampleRate( sampleRate ); ave_.setSampleRate( sampleRate ); } //------------------------------------------------------------- void SimpleCompRms::setWindow( double ms ) { ave_.setTc( ms ); } //------------------------------------------------------------- void SimpleCompRms::initRuntime( void ) { SimpleComp::initRuntime(); aveOfSqrs_ = DC_OFFSET; } } // end namespace chunkware_simple