PodcastDeluxe

1 files changed, 372 insertions, 0 deletions

diff --git a/plugins/MacAU/PodcastDeluxe/PodcastDeluxe.cpp b/plugins/MacAU/PodcastDeluxe/PodcastDeluxe.cpp
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+/*
+*	File:		PodcastDeluxe.cpp
+*	
+*	Version:	1.0
+* 
+*	Created:	5/24/19
+*	
+*	Copyright:  Copyright © 2019 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.
+*
+*/
+/*=============================================================================
+	PodcastDeluxe.cpp
+	
+=============================================================================*/
+#include "PodcastDeluxe.h"
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+COMPONENT_ENTRY(PodcastDeluxe)
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::PodcastDeluxe
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+PodcastDeluxe::PodcastDeluxe(AudioUnit component)
+	: AUEffectBase(component)
+{
+	CreateElements();
+	Globals()->UseIndexedParameters(kNumberOfParameters);
+	SetParameter(kParam_One, kDefaultValue_ParamOne );
+         
+#if AU_DEBUG_DISPATCHER
+	mDebugDispatcher = new AUDebugDispatcher (this);
+#endif
+	
+}
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::GetParameterValueStrings
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			PodcastDeluxe::GetParameterValueStrings(AudioUnitScope		inScope,
+                                                                AudioUnitParameterID	inParameterID,
+                                                                CFArrayRef *		outStrings)
+{
+        
+    return kAudioUnitErr_InvalidProperty;
+}
+
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::GetParameterInfo
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			PodcastDeluxe::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 = 1.0;
+                outParameterInfo.defaultValue = kDefaultValue_ParamOne;
+                break;
+           default:
+                result = kAudioUnitErr_InvalidParameter;
+                break;
+            }
+	} else {
+        result = kAudioUnitErr_InvalidParameter;
+    }
+    
+
+
+	return result;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::GetPropertyInfo
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			PodcastDeluxe::GetPropertyInfo (AudioUnitPropertyID	inID,
+                                                        AudioUnitScope		inScope,
+                                                        AudioUnitElement	inElement,
+                                                        UInt32 &		outDataSize,
+                                                        Boolean &		outWritable)
+{
+	return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::GetProperty
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult			PodcastDeluxe::GetProperty(	AudioUnitPropertyID inID,
+                                                        AudioUnitScope 		inScope,
+                                                        AudioUnitElement 	inElement,
+                                                        void *			outData )
+{
+	return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
+}
+
+//	PodcastDeluxe::Initialize
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ComponentResult PodcastDeluxe::Initialize()
+{
+    ComponentResult result = AUEffectBase::Initialize();
+    if (result == noErr)
+        Reset(kAudioUnitScope_Global, 0);
+    return result;
+}
+
+#pragma mark ____PodcastDeluxeEffectKernel
+
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::PodcastDeluxeKernel::Reset()
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void		PodcastDeluxe::PodcastDeluxeKernel::Reset()
+{
+	for(int count = 0; count < 502; count++) {d1[count] = 0.0; d2[count] = 0.0; d3[count] = 0.0; d4[count] = 0.0; d5[count] = 0.0;}
+	tap1 = 1; tap2 = 1; tap3 = 1; tap4 = 1; tap5 = 1;
+	maxdelay1 = 9001; maxdelay2 = 9001; maxdelay3 = 9001; maxdelay4 = 9001; maxdelay5 = 9001;
+	c1 = 2.0; c2 = 2.0; c3 = 2.0; c4 = 2.0; c5 = 2.0; //startup comp gains
+	fpd = 17;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	PodcastDeluxe::PodcastDeluxeKernel::Process
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void		PodcastDeluxe::PodcastDeluxeKernel::Process(	const Float32 	*inSourceP,
+                                                    Float32		 	*inDestP,
+                                                    UInt32 			inFramesToProcess,
+                                                    UInt32			inNumChannels, 
+                                                    bool			&ioSilence )
+{
+	UInt32 nSampleFrames = inFramesToProcess;
+	const Float32 *sourceP = inSourceP;
+	Float32 *destP = inDestP;
+	long double overallscale = 1.0;
+	overallscale /= 44100.0;
+	overallscale *= GetSampleRate();
+	
+	int allpasstemp;
+	Float64 outallpass = 0.618033988749894848204586;
+	
+	Float64 compress = 1.0+pow(GetParameter( kParam_One )*0.8,2);
+	
+	Float64 speed1 = 128.0 / pow(compress,2);
+	speed1 *= overallscale;
+	Float64 speed2 = speed1 * 1.4;
+	Float64 speed3 = speed2 * 1.5;
+	Float64 speed4 = speed3 * 1.6;
+	Float64 speed5 = speed4 * 1.7;
+	
+	maxdelay1 = (int)(23.0*overallscale);
+	maxdelay2 = (int)(19.0*overallscale);
+	maxdelay3 = (int)(17.0*overallscale);
+	maxdelay4 = (int)(13.0*overallscale);
+	maxdelay5 = (int)(11.0*overallscale);
+	//set up the prime delays
+	
+	Float64 refclip = 0.999;
+	Float64 softness = 0.435;
+	Float64 invsoft = 0.56;
+	Float64 outsoft = 0.545;
+	Float64 trigger;
+	
+	while (nSampleFrames-- > 0) {
+		long double inputSample = *sourceP;
+		if (fabs(inputSample)<1.18e-37) inputSample = fpd * 1.18e-37;
+								
+		allpasstemp = tap1 - 1;
+		if (allpasstemp < 0 || allpasstemp > maxdelay1) {allpasstemp = maxdelay1;}
+		//set up the delay position
+		//using 'tap' and 'allpasstemp' to position the tap		
+		inputSample -= d1[allpasstemp]*outallpass;
+		d1[tap1] = inputSample;
+		inputSample *= outallpass;
+		inputSample += (d1[allpasstemp]);
+		//allpass stage
+		tap1--; if (tap1 < 0 || tap1 > maxdelay1) {tap1 = maxdelay1;}
+		//decrement the position for reals
+		
+		inputSample *= c1;
+		trigger = fabs(inputSample)*4.7;
+		if (trigger > 4.7) trigger = 4.7;
+		trigger = sin(trigger);
+		if (trigger < 0) trigger *= 8.0;
+		if (trigger < -4.2) trigger = -4.2;
+		c1 += trigger/speed5;
+		if (c1 > compress) c1 = compress;
+		//compress stage
+				
+		allpasstemp = tap2 - 1;
+		if (allpasstemp < 0 || allpasstemp > maxdelay2) {allpasstemp = maxdelay2;}
+		//set up the delay position
+		//using 'tap' and 'allpasstemp' to position the tap
+		inputSample -= d2[allpasstemp]*outallpass;
+		d2[tap2] = inputSample;
+		inputSample *= outallpass;
+		inputSample += (d2[allpasstemp]);
+		//allpass stage
+		tap2--; if (tap2 < 0 || tap2 > maxdelay2) {tap2 = maxdelay2;}
+		//decrement the position for reals
+		
+		inputSample *= c2;
+		trigger = fabs(inputSample)*4.7;
+		if (trigger > 4.7) trigger = 4.7;
+		trigger = sin(trigger);
+		if (trigger < 0) trigger *= 8.0;
+		if (trigger < -4.2) trigger = -4.2;
+		c2 += trigger/speed4;
+		if (c2 > compress) c2 = compress;
+		//compress stage
+				
+		allpasstemp = tap3 - 1;
+		if (allpasstemp < 0 || allpasstemp > maxdelay3) {allpasstemp = maxdelay3;}
+		//set up the delay position
+		//using 'tap' and 'allpasstemp' to position the tap
+		inputSample -= d3[allpasstemp]*outallpass;
+		d3[tap3] = inputSample;
+		inputSample *= outallpass;
+		inputSample += (d3[allpasstemp]);
+		//allpass stage
+		tap3--; if (tap3 < 0 || tap3 > maxdelay3) {tap3 = maxdelay3;}
+		//decrement the position for reals
+		
+		inputSample *= c3;
+		trigger = fabs(inputSample)*4.7;
+		if (trigger > 4.7) trigger = 4.7;
+		trigger = sin(trigger);
+		if (trigger < 0) trigger *= 8.0;
+		if (trigger < -4.2) trigger = -4.2;
+		c3 += trigger/speed3;
+		if (c3 > compress) c3 = compress;
+		//compress stage
+				
+		allpasstemp = tap4 - 1;
+		if (allpasstemp < 0 || allpasstemp > maxdelay4) {allpasstemp = maxdelay4;}
+		//set up the delay position
+		//using 'tap' and 'allpasstemp' to position the tap
+		inputSample -= d4[allpasstemp]*outallpass;
+		d4[tap4] = inputSample;
+		inputSample *= outallpass;
+		inputSample += (d4[allpasstemp]);
+		//allpass stage
+		tap4--; if (tap4 < 0 || tap4 > maxdelay4) {tap4 = maxdelay4;}
+		//decrement the position for reals
+		
+		inputSample *= c4;
+		trigger = fabs(inputSample)*4.7;
+		if (trigger > 4.7) trigger = 4.7;
+		trigger = sin(trigger);
+		if (trigger < 0) trigger *= 8.0;
+		if (trigger < -4.2) trigger = -4.2;
+		c4 += trigger/speed2;
+		if (c4 > compress) c4 = compress;
+		//compress stage
+				
+		allpasstemp = tap5 - 1;
+		if (allpasstemp < 0 || allpasstemp > maxdelay5) {allpasstemp = maxdelay5;}
+		//set up the delay position
+		//using 'tap' and 'allpasstemp' to position the tap
+		inputSample -= d5[allpasstemp]*outallpass;
+		d5[tap5] = inputSample;
+		inputSample *= outallpass;
+		inputSample += (d5[allpasstemp]);
+		//allpass stage
+		tap5--; if (tap5 < 0 || tap5 > maxdelay5) {tap5 = maxdelay5;}
+		//decrement the position for reals
+		
+		inputSample *= c5;
+		trigger = fabs(inputSample)*4.7;
+		if (trigger > 4.7) trigger = 4.7;
+		trigger = sin(trigger);
+		if (trigger < 0) trigger *= 8.0;
+		if (trigger < -4.2) trigger = -4.2;
+		c5 += trigger/speed1;
+		if (c5 > compress) c5 = compress;
+		//compress stage
+		
+		if (compress > 1.0) inputSample /= compress;
+		
+		if (lastSample >= refclip)
+		{
+			if (inputSample < refclip)
+			{
+				lastSample = (outsoft + (inputSample * softness));
+			}
+			else lastSample = refclip;
+		}
+		
+		if (lastSample <= -refclip)
+		{
+			if (inputSample > -refclip)
+			{
+				lastSample = (-outsoft + (inputSample * softness));
+			}
+			else lastSample = -refclip;
+		}
+		
+		if (inputSample > refclip)
+		{
+			if (lastSample < refclip)
+			{
+				inputSample = (invsoft + (lastSample * softness));
+			}
+			else inputSample = refclip;
+		}
+		
+		if (inputSample < -refclip)
+		{
+			if (lastSample > -refclip)
+			{
+				inputSample = (-invsoft + (lastSample * softness));
+			}
+			else inputSample = -refclip;
+		}
+
+		//begin 32 bit floating point dither
+		int expon; frexpf((float)inputSample, &expon);
+		fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
+		inputSample += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
+		//end 32 bit floating point dither
+		
+		*destP = inputSample;
+		
+		sourceP += inNumChannels; destP += inNumChannels;
+	}
+}
+