MT-32: Sync with the latest changes in munt

1 files changed, 0 insertions, 324 deletions

diff --git a/audio/softsynth/mt32/freeverb.cpp b/audio/softsynth/mt32/freeverb.cpp
deleted file mode 100644
index 181b878596..0000000000
--- a/audio/softsynth/mt32/freeverb.cpp
+++ /dev/null
@@ -1,324 +0,0 @@
-// Allpass filter implementation
-//
-// Written by Jezar at Dreampoint, June 2000
-// http://www.dreampoint.co.uk
-// This code is public domain
-
-#include "freeverb.h"
-
-allpass::allpass()
-{
-	bufidx = 0;
-}
-
-void allpass::setbuffer(float *buf, int size)
-{
-	buffer = buf;
-	bufsize = size;
-}
-
-void allpass::mute()
-{
-	for (int i=0; i<bufsize; i++)
-		buffer[i]=0;
-}
-
-void allpass::setfeedback(float val)
-{
-	feedback = val;
-}
-
-float allpass::getfeedback()
-{
-	return feedback;
-}
-
-void allpass::deletebuffer()
-{
-	delete[] buffer;
-	buffer = 0;
-}
-// Comb filter implementation
-//
-// Written by Jezar at Dreampoint, June 2000
-// http://www.dreampoint.co.uk
-// This code is public domain
-
-comb::comb()
-{
-	filterstore = 0;
-	bufidx = 0;
-}
-
-void comb::setbuffer(float *buf, int size)
-{
-	buffer = buf;
-	bufsize = size;
-}
-
-void comb::mute()
-{
-	for (int i=0; i<bufsize; i++)
-		buffer[i]=0;
-}
-
-void comb::setdamp(float val)
-{
-	damp1 = val;
-	damp2 = 1-val;
-}
-
-float comb::getdamp()
-{
-	return damp1;
-}
-
-void comb::setfeedback(float val)
-{
-	feedback = val;
-}
-
-float comb::getfeedback()
-{
-	return feedback;
-}
-
-void comb::deletebuffer()
-{
-	delete[] buffer;
-	buffer = 0;
-}
-// Reverb model implementation
-//
-// Written by Jezar at Dreampoint, June 2000
-// Modifications by Jerome Fisher, 2009, 2011
-// http://www.dreampoint.co.uk
-// This code is public domain
-
-revmodel::revmodel(float scaletuning)
-{
-	int i;
-	int bufsize;
-
-	// Allocate buffers for the components
-	for (i = 0; i < numcombs; i++) {
-		bufsize = int(scaletuning * combtuning[i]);
-		combL[i].setbuffer(new float[bufsize], bufsize);
-		bufsize += int(scaletuning * stereospread);
-		combR[i].setbuffer(new float[bufsize], bufsize);
-	}
-	for (i = 0; i < numallpasses; i++) {
-		bufsize = int(scaletuning * allpasstuning[i]);
-		allpassL[i].setbuffer(new float[bufsize], bufsize);
-		allpassL[i].setfeedback(0.5f);
-		bufsize += int(scaletuning * stereospread);
-		allpassR[i].setbuffer(new float[bufsize], bufsize);
-		allpassR[i].setfeedback(0.5f);
-	}
-
-	// Set default values
-	dry = initialdry;
-	wet = initialwet*scalewet;
-	damp = initialdamp*scaledamp;
-	roomsize = (initialroom*scaleroom) + offsetroom;
-	width = initialwidth;
-	mode = initialmode;
-	update();
-
-	// Buffer will be full of rubbish - so we MUST mute them
-	mute();
-}
-
-revmodel::~revmodel()
-{
-	int i;
-
-	for (i = 0; i < numcombs; i++) {
-		combL[i].deletebuffer();
-		combR[i].deletebuffer();
-	}
-	for (i = 0; i < numallpasses; i++) {
-		allpassL[i].deletebuffer();
-		allpassR[i].deletebuffer();
-	}
-}
-
-void revmodel::mute()
-{
-	int i;
-
-	if (getmode() >= freezemode)
-		return;
-
-	for (i=0;i<numcombs;i++)
-	{
-		combL[i].mute();
-		combR[i].mute();
-	}
-	for (i=0;i<numallpasses;i++)
-	{
-		allpassL[i].mute();
-		allpassR[i].mute();
-	}
-
-	// Init LPF history
-	filtprev1 = 0;
-	filtprev2 = 0;
-}
-
-void revmodel::process(const float *inputL, const float *inputR, float *outputL, float *outputR, long numsamples)
-{
-	float outL,outR,input;
-
-	while (numsamples-- > 0)
-	{
-		int i;
-
-		outL = outR = 0;
-		input = (*inputL + *inputR) * gain;
-
-		// Implementation of 2-stage IIR single-pole low-pass filter
-		// found at the entrance of reverb processing on real devices
-		filtprev1 += (input - filtprev1) * filtval;
-		filtprev2 += (filtprev1 - filtprev2) * filtval;
-		input = filtprev2;
-
-		int s = -1;
-		// Accumulate comb filters in parallel
-		for (i=0; i<numcombs; i++)
-		{
-			outL += s * combL[i].process(input);
-			outR += s * combR[i].process(input);
-			s = -s;
-		}
-
-		// Feed through allpasses in series
-		for (i=0; i<numallpasses; i++)
-		{
-			outL = allpassL[i].process(outL);
-			outR = allpassR[i].process(outR);
-		}
-
-		// Calculate output REPLACING anything already there
-		*outputL = outL*wet1 + outR*wet2;
-		*outputR = outR*wet1 + outL*wet2;
-
-		inputL++;
-		inputR++;
-		outputL++;
-		outputR++;
-	}
-}
-
-void revmodel::update()
-{
-// Recalculate internal values after parameter change
-
-	int i;
-
-	wet1 = wet*(width/2 + 0.5f);
-	wet2 = wet*((1-width)/2);
-
-	if (mode >= freezemode)
-	{
-		roomsize1 = 1;
-		damp1 = 0;
-		gain = muted;
-	}
-	else
-	{
-		roomsize1 = roomsize;
-		damp1 = damp;
-		gain = fixedgain;
-	}
-
-	for (i=0; i<numcombs; i++)
-	{
-		combL[i].setfeedback(roomsize1);
-		combR[i].setfeedback(roomsize1);
-	}
-
-	for (i=0; i<numcombs; i++)
-	{
-		combL[i].setdamp(damp1);
-		combR[i].setdamp(damp1);
-	}
-}
-
-// The following get/set functions are not inlined, because
-// speed is never an issue when calling them, and also
-// because as you develop the reverb model, you may
-// wish to take dynamic action when they are called.
-
-void revmodel::setroomsize(float value)
-{
-	roomsize = (value*scaleroom) + offsetroom;
-	update();
-}
-
-float revmodel::getroomsize()
-{
-	return (roomsize-offsetroom)/scaleroom;
-}
-
-void revmodel::setdamp(float value)
-{
-	damp = value*scaledamp;
-	update();
-}
-
-float revmodel::getdamp()
-{
-	return damp/scaledamp;
-}
-
-void revmodel::setwet(float value)
-{
-	wet = value*scalewet;
-	update();
-}
-
-float revmodel::getwet()
-{
-	return wet/scalewet;
-}
-
-void revmodel::setdry(float value)
-{
-	dry = value*scaledry;
-}
-
-float revmodel::getdry()
-{
-	return dry/scaledry;
-}
-
-void revmodel::setwidth(float value)
-{
-	width = value;
-	update();
-}
-
-float revmodel::getwidth()
-{
-	return width;
-}
-
-void revmodel::setmode(float value)
-{
-	mode = value;
-	update();
-}
-
-float revmodel::getmode()
-{
-	if (mode >= freezemode)
-		return 1;
-	else
-		return 0;
-}
-
-void revmodel::setfiltval(float value)
-{
-	filtval = value;
-}