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svn path=/trunk/externals/dfx/; revision=416

1 files changed, 78 insertions, 0 deletions

diff --git a/polarizer/polarizer.hpp b/polarizer/polarizer.hpp
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+++ b/polarizer/polarizer.hpp
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+/*---------------------------------------------------------------
+
+   © 2001, Marcberg Soft & Hard GmbH, All Rights Reserved
+
+---------------------------------------------------------------*/
+
+#ifndef __polarizer_H
+#define __polarizer_H
+
+#include <stdlib.h>
+#include <math.h>
+
+#include "flext.h"
+
+#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 202)
+#error You need at least flext version 0.2.2 
+#endif
+
+#define normalize(f,a,b)	((((f < b) ? f : b) > a) ? f : a)
+
+// these are the 2 states of the process:
+enum {
+	unaffected,
+	polarized
+};
+
+//----------------------------------------------------------------------------- 
+// constants
+
+const long SKIPMIN = 1;
+const long SKIPMAX = 81;
+const long SKIPRANGE = SKIPMAX - SKIPMIN;
+
+// this is for converting from parameter entries to the real values
+#define leapScaled(A)   ( ((long)(powf((A),1.5f)*SKIPRANGE)) + SKIPMIN )
+
+//----------------------------------------------------------------------------- 
+
+class polarizer :
+	public flext_dsp {
+
+	FLEXT_HEADER(polarizer, flext_dsp)
+
+public:
+	polarizer(int argc, t_atom *argv);
+//	~polarizer();
+
+	virtual void processReplacing(float **inputs, float **outputs, long sampleFrames);
+
+	virtual void m_signal(int, t_sample *const *, t_sample *const *);
+	virtual void m_help();
+
+protected:
+	float processSampleAmp();
+	float processOutValue(float amp, float in);
+
+	float fSkip, fAmount, fImplode;	// the parameters
+	char *programName;
+	long unaffectedSamples;	// sample counter
+	int state;	// the state of the process
+
+	FLEXT_CALLBACK_F(setSkip)
+	void setSkip(float f) {
+		fSkip = normalize(f,0,1);
+	}
+
+	FLEXT_CALLBACK_F(setAmount)
+	void setAmount(float f) {
+		fAmount = normalize(f,0,1);
+	}
+
+	FLEXT_CALLBACK_F(setImplode)
+	void setImplode(float f) {
+		fImplode = normalize(f,0,1);
+	}
+};
+
+#endif