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267 lines
12 KiB
C++
Executable file
267 lines
12 KiB
C++
Executable file
/*
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* File: Huge.cpp
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*
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* Version: 1.0
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*
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* Created: 3/27/23
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*
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* Copyright: Copyright © 2023 Airwindows, Airwindows uses the MIT license
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*
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* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
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* consideration of your agreement to the following terms, and your use, installation, modification
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* or redistribution of this Apple software constitutes acceptance of these terms. If you do
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* not agree with these terms, please do not use, install, modify or redistribute this Apple
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* software.
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*
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* In consideration of your agreement to abide by the following terms, and subject to these terms,
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* Apple grants you a personal, non-exclusive license, under Apple's copyrights in this
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* original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the
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* Apple Software, with or without modifications, in source and/or binary forms; provided that if you
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* redistribute the Apple Software in its entirety and without modifications, you must retain this
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* notice and the following text and disclaimers in all such redistributions of the Apple Software.
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* Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to
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* endorse or promote products derived from the Apple Software without specific prior written
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* permission from Apple. Except as expressly stated in this notice, no other rights or
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* licenses, express or implied, are granted by Apple herein, including but not limited to any
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* patent rights that may be infringed by your derivative works or by other works in which the
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* Apple Software may be incorporated.
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*
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* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
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* IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
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* OR IN COMBINATION WITH YOUR PRODUCTS.
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*
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* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
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* REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
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* UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
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* IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*=============================================================================
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Huge.cpp
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=============================================================================*/
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#include "Huge.h"
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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COMPONENT_ENTRY(Huge)
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::Huge
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Huge::Huge(AudioUnit component)
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: AUEffectBase(component)
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{
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CreateElements();
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Globals()->UseIndexedParameters(kNumberOfParameters);
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SetParameter(kParam_One, kDefaultValue_ParamOne );
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SetParameter(kParam_Two, kDefaultValue_ParamTwo );
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#if AU_DEBUG_DISPATCHER
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mDebugDispatcher = new AUDebugDispatcher (this);
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#endif
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}
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::GetParameterValueStrings
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ComponentResult Huge::GetParameterValueStrings(AudioUnitScope inScope,
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AudioUnitParameterID inParameterID,
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CFArrayRef * outStrings)
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{
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return kAudioUnitErr_InvalidProperty;
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}
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::GetParameterInfo
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ComponentResult Huge::GetParameterInfo(AudioUnitScope inScope,
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AudioUnitParameterID inParameterID,
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AudioUnitParameterInfo &outParameterInfo )
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{
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ComponentResult result = noErr;
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outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable
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| kAudioUnitParameterFlag_IsReadable;
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if (inScope == kAudioUnitScope_Global) {
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switch(inParameterID)
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{
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case kParam_One:
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AUBase::FillInParameterName (outParameterInfo, kParameterOneName, false);
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outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
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outParameterInfo.minValue = 0.0;
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outParameterInfo.maxValue = 1.0;
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outParameterInfo.defaultValue = kDefaultValue_ParamOne;
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break;
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case kParam_Two:
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AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false);
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outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
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outParameterInfo.minValue = 0.0;
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outParameterInfo.maxValue = 1.0;
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outParameterInfo.defaultValue = kDefaultValue_ParamTwo;
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break;
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default:
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result = kAudioUnitErr_InvalidParameter;
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break;
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}
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} else {
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result = kAudioUnitErr_InvalidParameter;
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}
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return result;
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}
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::GetPropertyInfo
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ComponentResult Huge::GetPropertyInfo (AudioUnitPropertyID inID,
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AudioUnitScope inScope,
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AudioUnitElement inElement,
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UInt32 & outDataSize,
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Boolean & outWritable)
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{
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return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
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}
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::GetProperty
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ComponentResult Huge::GetProperty( AudioUnitPropertyID inID,
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AudioUnitScope inScope,
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AudioUnitElement inElement,
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void * outData )
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{
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return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
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}
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// Huge::Initialize
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ComponentResult Huge::Initialize()
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{
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ComponentResult result = AUEffectBase::Initialize();
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if (result == noErr)
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Reset(kAudioUnitScope_Global, 0);
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return result;
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}
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#pragma mark ____HugeEffectKernel
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::HugeKernel::Reset()
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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void Huge::HugeKernel::Reset()
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{
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prev3 = prev5 = prev7 = prev9 = prev11 = prev13 = prevOut = 0.0;
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limit3 = limit5 = limit7 = limit9 = limit11 = limit13 = 1.0;
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fpd = 1.0; while (fpd < 16386) fpd = rand()*UINT32_MAX;
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}
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Huge::HugeKernel::Process
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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void Huge::HugeKernel::Process( const Float32 *inSourceP,
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Float32 *inDestP,
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UInt32 inFramesToProcess,
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UInt32 inNumChannels,
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bool &ioSilence )
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{
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UInt32 nSampleFrames = inFramesToProcess;
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const Float32 *sourceP = inSourceP;
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Float32 *destP = inDestP;
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double overallscale = 1.0;
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overallscale /= 44100.0;
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overallscale *= GetSampleRate();
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double huge = GetParameter( kParam_One );
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double threshold = (GetParameter( kParam_Two ) * 0.05) + 0.05;
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double attack = (threshold * 8.0) / overallscale;
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double release = (threshold * 8.0) / overallscale;
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while (nSampleFrames-- > 0) {
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double inputSample = *sourceP;
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if (fabs(inputSample)<1.18e-23) inputSample = fpd * 1.18e-17;
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inputSample *= huge;
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double inP3 = inputSample * inputSample * inputSample;
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double outP3 = ((4.0*inP3)-(3.0*inputSample))*-0.36;
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double inP5 = inP3 * inputSample * inputSample;
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double outP5 = ((16.0*inP5)-(20.0*inP3)+(5.0*inputSample))*0.2025;
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double inP7 = inP5 * inputSample * inputSample;
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double outP7 = ((64.0*inP7)-(112.0*inP5)+(56.0*inP3)-(7.0*inputSample))*-0.1444;
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double inP9 = inP7 * inputSample * inputSample;
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double outP9 = ((256.0*inP9)-(576.0*inP7)+(432.0*inP5)-(120.0*inP3)+(9.0*inputSample))*0.1225;
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double inP11 = inP9 * inputSample * inputSample;
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double outP11 = ((1024.0*inP11)-(2816.0*inP9)+(2816.0*inP7)-(1232.0*inP5)+(220.0*inP3)-(11.0*inputSample))*-0.1024;
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double inP13 = inP11 * inputSample * inputSample;
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double outP13 = ((4096.0*inP13)-(13312.0*inP11)+(16640.0*inP9)-(9984.0*inP7)+(2912.0*inP5)-(364.0*inP3)+(13.0*inputSample))*0.09;
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double slew3 = fabs(outP3 - prev3); prev3 = outP3;
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double slew5 = fabs(outP5 - prev5); prev5 = outP5;
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double slew7 = fabs(outP7 - prev7); prev7 = outP7;
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double slew9 = fabs(outP9 - prev9); prev9 = outP9;
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double slew11 = fabs(outP11 - prev11); prev11 = outP11;
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double slew13 = fabs(outP13 - prev13); prev13 = outP13;
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if (slew3 < threshold) limit3 += release;
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else limit3 -= attack;
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if (slew5 < threshold) limit5 += release;
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else limit5 -= attack;
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if (slew7 < threshold) limit7 += release;
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else limit7 -= attack;
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if (slew9 < threshold) limit9 += release;
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else limit9 -= attack;
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if (slew11 < threshold) limit11 += release;
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else limit11 -= attack;
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if (slew13 < threshold) limit13 += release;
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else limit13 -= attack;
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if (limit3 > 1.0) {limit3 = 1.0;}
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if (limit5 > 1.0) {limit3 = 1.0; limit5 = 1.0;}
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if (limit7 > 1.0) {limit3 = 1.0; limit5 = 1.0; limit7 = 1.0;}
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if (limit9 > 1.0) {limit3 = 1.0; limit5 = 1.0; limit7 = 1.0; limit9 = 1.0;}
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if (limit11 > 1.0) {limit3 = 1.0; limit5 = 1.0; limit7 = 1.0; limit9 = 1.0; limit11 = 1.0;}
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if (limit13 > 1.0) {limit3 = 1.0; limit5 = 1.0; limit7 = 1.0; limit9 = 1.0; limit11 = 1.0; limit13 = 1.0;}
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if (limit3 < 0.0) {limit3 = 0.0; limit5 = 0.0; limit7 = 0.0; limit9 = 0.0; limit11 = 0.0; limit13 = 0.0;}
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if (limit5 < 0.0) {limit5 = 0.0; limit7 = 0.0; limit9 = 0.0; limit11 = 0.0; limit13 = 0.0;}
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if (limit7 < 0.0) {limit7 = 0.0; limit9 = 0.0; limit11 = 0.0; limit13 = 0.0;}
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if (limit9 < 0.0) {limit9 = 0.0; limit11 = 0.0; limit13 = 0.0;}
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if (limit11 < 0.0) {limit11 = 0.0; limit13 = 0.0;}
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if (limit13 < 0.0) {limit13 = 0.0;}
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double chebyshev = (outP3 * limit3);
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chebyshev += (outP5 * limit5);
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chebyshev += (outP7 * limit7);
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chebyshev += (outP9 * limit9);
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chebyshev += (outP11 * limit11);
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chebyshev += (outP13 * limit13);
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inputSample += ((chebyshev+prevOut)*0.5);
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prevOut = chebyshev;
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//begin 32 bit floating point dither
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int expon; frexpf((float)inputSample, &expon);
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fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
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inputSample += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
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//end 32 bit floating point dither
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*destP = inputSample;
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sourceP += inNumChannels; destP += inNumChannels;
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}
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}
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