Updates (in case my plane crashes)

1 files changed, 400 insertions, 0 deletions

diff --git a/plugins/MacAU/FromTape/FromTape.cpp b/plugins/MacAU/FromTape/FromTape.cpp
new file mode 100755
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+++ b/plugins/MacAU/FromTape/FromTape.cpp
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+/*
+*	File:		FromTape.cpp
+*	
+*	Version:	1.0
+* 
+*	Created:	7/3/17
+*	
+*	Copyright:  Copyright © 2017 Airwindows, All Rights Reserved
+* 
+*	Disclaimer:	IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in 
+*				consideration of your agreement to the following terms, and your use, installation, modification 
+*				or redistribution of this Apple software constitutes acceptance of these terms.  If you do 
+*				not agree with these terms, please do not use, install, modify or redistribute this Apple 
+*				software.
+*
+*				In consideration of your agreement to abide by the following terms, and subject to these terms, 
+*				Apple grants you a personal, non-exclusive license, under Apple's copyrights in this 
+*				original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the 
+*				Apple Software, with or without modifications, in source and/or binary forms; provided that if you 
+*				redistribute the Apple Software in its entirety and without modifications, you must retain this 
+*				notice and the following text and disclaimers in all such redistributions of the Apple Software. 
+*				Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to 
+*				endorse or promote products derived from the Apple Software without specific prior written 
+*				permission from Apple.  Except as expressly stated in this notice, no other rights or 
+*				licenses, express or implied, are granted by Apple herein, including but not limited to any 
+*				patent rights that may be infringed by your derivative works or by other works in which the 
+*				Apple Software may be incorporated.
+*
+*				The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO WARRANTIES, EXPRESS OR 
+*				IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY 
+*				AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE 
+*				OR IN COMBINATION WITH YOUR PRODUCTS.
+*
+*				IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL 
+*				DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 
+*				OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, 
+*				REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER 
+*				UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN 
+*				IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+/*=============================================================================
+	FromTape.cpp
+	
+=============================================================================*/
+#include "FromTape.h"
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+COMPONENT_ENTRY(FromTape)
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::FromTape
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+FromTape::FromTape(AudioUnit component)
+	: AUEffectBase(component)
+{
+	CreateElements();
+	Globals()->UseIndexedParameters(kNumberOfParameters);
+	SetParameter(kParam_One, kDefaultValue_ParamOne );
+	SetParameter(kParam_Two, kDefaultValue_ParamTwo );
+	SetParameter(kParam_Three, kDefaultValue_ParamThree );
+	SetParameter(kParam_Four, kDefaultValue_ParamFour );
+	SetParameter(kParam_Five, kDefaultValue_ParamFive );
+         
+#if AU_DEBUG_DISPATCHER
+	mDebugDispatcher = new AUDebugDispatcher (this);
+#endif
+	
+}
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::GetParameterValueStrings
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			FromTape::GetParameterValueStrings(AudioUnitScope		inScope,
+                                                                AudioUnitParameterID	inParameterID,
+                                                                CFArrayRef *		outStrings)
+{
+        
+    return kAudioUnitErr_InvalidProperty;
+}
+
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::GetParameterInfo
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			FromTape::GetParameterInfo(AudioUnitScope		inScope,
+                                                        AudioUnitParameterID	inParameterID,
+                                                        AudioUnitParameterInfo	&outParameterInfo )
+{
+	ComponentResult result = noErr;
+
+	outParameterInfo.flags = 	kAudioUnitParameterFlag_IsWritable
+						|		kAudioUnitParameterFlag_IsReadable;
+    
+    if (inScope == kAudioUnitScope_Global) {
+        switch(inParameterID)
+        {
+           case kParam_One:
+                AUBase::FillInParameterName (outParameterInfo, kParameterOneName, false);
+                outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
+                outParameterInfo.minValue = 0.0;
+                outParameterInfo.maxValue = 2.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamOne;
+                break;
+            case kParam_Two:
+                AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false);
+                outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
+                outParameterInfo.minValue = 0.0;
+                outParameterInfo.maxValue = 1.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamTwo;
+                break;
+            case kParam_Three:
+                AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false);
+                outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
+                outParameterInfo.minValue = 0.0;
+                outParameterInfo.maxValue = 1.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamThree;
+                break;
+           case kParam_Four:
+                AUBase::FillInParameterName (outParameterInfo, kParameterFourName, false);
+                outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
+                outParameterInfo.minValue = 0.0;
+                outParameterInfo.maxValue = 2.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamFour;
+                break;
+			case kParam_Five:
+                AUBase::FillInParameterName (outParameterInfo, kParameterFiveName, false);
+                outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
+                outParameterInfo.minValue = 0.0;
+                outParameterInfo.maxValue = 1.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamFive;
+                break;
+			default:
+                result = kAudioUnitErr_InvalidParameter;
+                break;
+            }
+	} else {
+        result = kAudioUnitErr_InvalidParameter;
+    }
+    
+
+
+	return result;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::GetPropertyInfo
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			FromTape::GetPropertyInfo (AudioUnitPropertyID	inID,
+                                                        AudioUnitScope		inScope,
+                                                        AudioUnitElement	inElement,
+                                                        UInt32 &		outDataSize,
+                                                        Boolean &		outWritable)
+{
+	return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::GetProperty
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			FromTape::GetProperty(	AudioUnitPropertyID inID,
+                                                        AudioUnitScope 		inScope,
+                                                        AudioUnitElement 	inElement,
+                                                        void *			outData )
+{
+	return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
+}
+
+//	FromTape::Initialize
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult FromTape::Initialize()
+{
+    ComponentResult result = AUEffectBase::Initialize();
+    if (result == noErr)
+        Reset(kAudioUnitScope_Global, 0);
+    return result;
+}
+
+#pragma mark ____FromTapeEffectKernel
+
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::FromTapeKernel::Reset()
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void		FromTape::FromTapeKernel::Reset()
+{
+	iirMidRollerA = 0.0;
+	iirMidRollerB = 0.0;
+	iirMidRollerC = 0.0;
+	iirSampleA = 0.0;
+	iirSampleB = 0.0;
+	iirSampleC = 0.0;
+	iirSampleD = 0.0;
+	iirSampleE = 0.0;
+	iirSampleF = 0.0;
+	iirSampleG = 0.0;
+	iirSampleH = 0.0;
+	iirSampleI = 0.0;
+	iirSampleJ = 0.0;
+	iirSampleK = 0.0;
+	iirSampleL = 0.0;
+	iirSampleM = 0.0;
+	iirSampleN = 0.0;
+	iirSampleO = 0.0;
+	iirSampleP = 0.0;
+	iirSampleQ = 0.0;
+	iirSampleR = 0.0;
+	iirSampleS = 0.0;
+	iirSampleT = 0.0;
+	iirSampleU = 0.0;
+	iirSampleV = 0.0;
+	iirSampleW = 0.0;
+	iirSampleX = 0.0;
+	iirSampleY = 0.0;
+	iirSampleZ = 0.0;
+	flip = 0;
+	//noisesource = 0;
+	fpNShapeA = 0.0;
+	fpNShapeB = 0.0;
+	fpFlip = true;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	FromTape::FromTapeKernel::Process
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void		FromTape::FromTapeKernel::Process(	const Float32 	*inSourceP,
+                                                    Float32		 	*inDestP,
+                                                    UInt32 			inFramesToProcess,
+                                                    UInt32			inNumChannels, 
+                                                    bool			&ioSilence )
+{
+	UInt32 nSampleFrames = inFramesToProcess;
+	const Float32 *sourceP = inSourceP;
+	Float32 *destP = inDestP;
+	Float64 overallscale = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= GetSampleRate();
+	Float64 inputgain = GetParameter( kParam_One );
+	Float64 SoftenControl = GetParameter( kParam_Two );
+	Float64 RollAmount = (1.0-SoftenControl)/overallscale;
+	Float64 iirAmount = (0.004*(1.0-GetParameter( kParam_Three )))/overallscale;
+	Float64 altAmount = 1.0 - iirAmount;
+	Float64 outputgain = GetParameter( kParam_Four );
+	Float64 wet = GetParameter( kParam_Five );
+	Float64 dry = 1.0 - wet;
+	Float64 HighsSample = 0.0;
+	Float64 Subtract;
+	Float64 bridgerectifier;
+	Float64 randy;
+	Float64 invrandy;
+	Float64 tempSample;
+	Float64 drySample;
+	
+	
+	long double inputSample;
+	Float32 fpTemp;
+	long double fpOld = 0.618033988749894848204586; //golden ratio!
+	long double fpNew = 1.0 - fpOld;	
+	
+	while (nSampleFrames-- > 0) {
+		inputSample = *sourceP;
+		if (inputSample<1.2e-38 && -inputSample<1.2e-38) {
+			static int noisesource = 0;
+			//this declares a variable before anything else is compiled. It won't keep assigning
+			//it to 0 for every sample, it's as if the declaration doesn't exist in this context,
+			//but it lets me add this denormalization fix in a single place rather than updating
+			//it in three different locations. The variable isn't thread-safe but this is only
+			//a random seed and we can share it with whatever.
+			noisesource = noisesource % 1700021; noisesource++;
+			int residue = noisesource * noisesource;
+			residue = residue % 170003; residue *= residue;
+			residue = residue % 17011; residue *= residue;
+			residue = residue % 1709; residue *= residue;
+			residue = residue % 173; residue *= residue;
+			residue = residue % 17;
+			double applyresidue = residue;
+			applyresidue *= 0.00000001;
+			applyresidue *= 0.00000001;
+			inputSample = applyresidue;
+			//this denormalization routine produces a white noise at -300 dB which the noise
+			//shaping will interact with to produce a bipolar output, but the noise is actually
+			//all positive. That should stop any variables from going denormal, and the routine
+			//only kicks in if digital black is input. As a final touch, if you save to 24-bit
+			//the silence will return to being digital black again.
+		}
+		drySample = inputSample;
+		
+		
+		if (inputgain != 1.0) {
+			inputSample *= inputgain;
+		}		
+		
+		randy = (rand()/(double)RAND_MAX) * SoftenControl; //for soften
+		invrandy = (1.0-randy);
+		randy /= 2.0;
+		//we've set up so that we dial in the amount of the alt sections (in pairs) with invrandy being the source section
+		
+		Subtract = 0.0;
+		tempSample = inputSample;		
+		iirSampleA = (iirSampleA * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleA; Subtract += iirSampleA;
+		iirSampleB = (iirSampleB * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleB; Subtract += iirSampleB;
+		iirSampleC = (iirSampleC * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleC; Subtract += iirSampleC;
+		iirSampleD = (iirSampleD * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleD; Subtract += iirSampleD;
+		iirSampleE = (iirSampleE * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleE; Subtract += iirSampleE;
+		iirSampleF = (iirSampleF * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleF; Subtract += iirSampleF;
+		iirSampleG = (iirSampleG * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleG; Subtract += iirSampleG;
+		iirSampleH = (iirSampleH * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleH; Subtract += iirSampleH;
+		iirSampleI = (iirSampleI * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleI; Subtract += iirSampleI;
+		iirSampleJ = (iirSampleJ * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleJ; Subtract += iirSampleJ;
+		iirSampleK = (iirSampleK * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleK; Subtract += iirSampleK;
+		iirSampleL = (iirSampleL * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleL; Subtract += iirSampleL;
+		iirSampleM = (iirSampleM * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleM; Subtract += iirSampleM;
+		iirSampleN = (iirSampleN * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleN; Subtract += iirSampleN;
+		iirSampleO = (iirSampleO * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleO; Subtract += iirSampleO;
+		iirSampleP = (iirSampleP * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleP; Subtract += iirSampleP;
+		iirSampleQ = (iirSampleQ * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleQ; Subtract += iirSampleQ;
+		iirSampleR = (iirSampleR * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleR; Subtract += iirSampleR;
+		iirSampleS = (iirSampleS * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleS; Subtract += iirSampleS;
+		iirSampleT = (iirSampleT * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleT; Subtract += iirSampleT;
+		iirSampleU = (iirSampleU * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleU; Subtract += iirSampleU;
+		iirSampleV = (iirSampleV * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleV; Subtract += iirSampleV;
+		iirSampleW = (iirSampleW * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleW; Subtract += iirSampleW;
+		iirSampleX = (iirSampleX * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleX; Subtract += iirSampleX;
+		iirSampleY = (iirSampleY * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleY; Subtract += iirSampleY;
+		iirSampleZ = (iirSampleZ * altAmount) + (tempSample * iirAmount); tempSample -= iirSampleZ; Subtract += iirSampleZ;
+		//do the IIR on a dummy sample, and store up the correction in a variable at the same scale as the very low level
+		//numbers being used. Don't keep doing it against the possibly high level signal number.
+		//This has been known to add a resonant quality to the cutoff, which we're using on purpose.
+		inputSample -= Subtract;
+		//apply stored up tiny corrections.
+		
+				
+		if (flip < 1 || flip > 3) flip = 1;
+		switch (flip)
+		{
+			case 1:				
+				iirMidRollerA = (iirMidRollerA * (1.0 - RollAmount)) + (inputSample * RollAmount);
+				iirMidRollerA = (invrandy * iirMidRollerA) + (randy * iirMidRollerB) + (randy * iirMidRollerC);
+				HighsSample = inputSample - iirMidRollerA;
+				break;
+			case 2:
+				iirMidRollerB = (iirMidRollerB * (1.0 - RollAmount)) + (inputSample * RollAmount);
+				iirMidRollerB = (randy * iirMidRollerA) + (invrandy * iirMidRollerB) + (randy * iirMidRollerC);
+				HighsSample = inputSample - iirMidRollerB;
+				break;
+			case 3:
+				iirMidRollerC = (iirMidRollerC * (1.0 - RollAmount)) + (inputSample * RollAmount);
+				iirMidRollerC = (randy * iirMidRollerA) + (randy * iirMidRollerB) + (invrandy * iirMidRollerC);
+				HighsSample = inputSample - iirMidRollerC;
+				break;
+		}
+		flip++; //increment the triplet counter
+		
+		Subtract = HighsSample;		
+		bridgerectifier = fabs(Subtract)*1.57079633;
+		if (bridgerectifier > 1.57079633) bridgerectifier = 1.57079633;
+		bridgerectifier = 1-cos(bridgerectifier);
+		if (Subtract > 0) Subtract = bridgerectifier;
+		if (Subtract < 0) Subtract = -bridgerectifier;
+		inputSample -= Subtract;
+
+		//Soften works using the MidRoller stuff, defining a bright parallel channel that we apply negative Density
+		//to, and then subtract from the main audio. That makes the 'highs channel subtract' hit only the loudest
+		//transients, plus we are subtracting any artifacts we got from the negative Density.
+		
+		
+		if (outputgain != 1.0) {
+			inputSample *= outputgain;
+		}
+		
+		if (wet !=1.0) {
+			inputSample = (inputSample * wet) + (drySample * dry);
+		}
+		
+		//noise shaping to 32-bit floating point
+		if (fpFlip) {
+			fpTemp = inputSample;
+			fpNShapeA = (fpNShapeA*fpOld)+((inputSample-fpTemp)*fpNew);
+			inputSample += fpNShapeA;
+		}
+		else {
+			fpTemp = inputSample;
+			fpNShapeB = (fpNShapeB*fpOld)+((inputSample-fpTemp)*fpNew);
+			inputSample += fpNShapeB;
+		}
+		fpFlip = !fpFlip;
+		//end noise shaping on 32 bit output
+		
+		*destP = inputSample;
+		
+		sourceP += inNumChannels; destP += inNumChannels;
+	}
+}
+