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-rw-r--r--attic/muse_qt4_evolution/plugins/freeverb/revmodel.cpp232
1 files changed, 0 insertions, 232 deletions
diff --git a/attic/muse_qt4_evolution/plugins/freeverb/revmodel.cpp b/attic/muse_qt4_evolution/plugins/freeverb/revmodel.cpp
deleted file mode 100644
index c72ee22b..00000000
--- a/attic/muse_qt4_evolution/plugins/freeverb/revmodel.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-// Reverb model implementation
-//
-// Written by Jezar at Dreampoint, June 2000
-// http://www.dreampoint.co.uk
-// This code is public domain
-
-#include <stdio.h>
-#include "revmodel.h"
-
-//---------------------------------------------------------
-// Revmodel
-//---------------------------------------------------------
-
-Revmodel::Revmodel()
- {
- // Tie the components to their buffers
- combL[0].setbuffer(bufcombL1,combtuningL1);
- combR[0].setbuffer(bufcombR1,combtuningR1);
- combL[1].setbuffer(bufcombL2,combtuningL2);
- combR[1].setbuffer(bufcombR2,combtuningR2);
- combL[2].setbuffer(bufcombL3,combtuningL3);
- combR[2].setbuffer(bufcombR3,combtuningR3);
- combL[3].setbuffer(bufcombL4,combtuningL4);
- combR[3].setbuffer(bufcombR4,combtuningR4);
- combL[4].setbuffer(bufcombL5,combtuningL5);
- combR[4].setbuffer(bufcombR5,combtuningR5);
- combL[5].setbuffer(bufcombL6,combtuningL6);
- combR[5].setbuffer(bufcombR6,combtuningR6);
- combL[6].setbuffer(bufcombL7,combtuningL7);
- combR[6].setbuffer(bufcombR7,combtuningR7);
- combL[7].setbuffer(bufcombL8,combtuningL8);
- combR[7].setbuffer(bufcombR8,combtuningR8);
- allpassL[0].setbuffer(bufallpassL1,allpasstuningL1);
- allpassR[0].setbuffer(bufallpassR1,allpasstuningR1);
- allpassL[1].setbuffer(bufallpassL2,allpasstuningL2);
- allpassR[1].setbuffer(bufallpassR2,allpasstuningR2);
- allpassL[2].setbuffer(bufallpassL3,allpasstuningL3);
- allpassR[2].setbuffer(bufallpassR3,allpasstuningR3);
- allpassL[3].setbuffer(bufallpassL4,allpasstuningL4);
- allpassR[3].setbuffer(bufallpassR4,allpasstuningR4);
-
- // Set default values
- allpassL[0].setfeedback(0.5f);
- allpassR[0].setfeedback(0.5f);
- allpassL[1].setfeedback(0.5f);
- allpassR[1].setfeedback(0.5f);
- allpassL[2].setfeedback(0.5f);
- allpassR[2].setfeedback(0.5f);
- allpassL[3].setfeedback(0.5f);
- allpassR[3].setfeedback(0.5f);
-
- param[0] = initialroom;
- param[1] = initialdamp;
- param[2] = initialwet;
-
- setroomsize(initialroom);
- setdamp(initialdamp);
- setwidth(initialwidth);
- setmode(initialmode);
-
- // Buffer will be full of rubbish - so we MUST mute them
-
- for (int i = 0; i < numcombs; i++) {
- combL[i].mute();
- combR[i].mute();
- }
- for (int i=0;i<numallpasses;i++) {
- allpassL[i].mute();
- allpassR[i].mute();
- }
- }
-
-//---------------------------------------------------------
-// activate
-//---------------------------------------------------------
-
-void Revmodel::activate()
- {
- *port[4] = param[0];
- *port[5] = param[1];
- *port[6] = param[2];
- }
-
-//---------------------------------------------------------
-// processreplace
-//---------------------------------------------------------
-
-void Revmodel::processreplace(long n)
- {
- if (param[0] != *port[4]) {
- param[0] = *port[4];
- setroomsize(param[0]);
- }
- if (param[1] != *port[5]) {
- param[1] = *port[5];
- setdamp(param[1]);
- }
-
- float wet = (1.0f - *port[6]) * scalewet;
- float dry = *port[6] * scaledry;
- float wet1 = wet * (width/2 + 0.5f);
- float wet2 = wet * ((1-width)/2);
-
- for (int i = 0; i < n; ++i) {
- float outL = 0;
- float outR = 0;
- float input = (port[0][i] + port[1][i]) * gain;
-
- // Accumulate comb filters in parallel
- for (int k = 0; k < numcombs; k++) {
- outL += combL[k].process(input);
- outR += combR[k].process(input);
- }
-
- // Feed through allpasses in series
- for (int k=0; k < numallpasses; k++) {
- outL = allpassL[k].process(outL);
- outR = allpassR[k].process(outR);
- }
-
- // Calculate output REPLACING anything already there
- port[2][i] = outL*wet1 + outR*wet2 + port[0][i]*dry;
- port[3][i] = outR*wet1 + outL*wet2 + port[1][i]*dry;
- }
- }
-
-void Revmodel::processmix(long n)
- {
- if (param[0] != *port[4]) {
- param[0] = *port[4];
- setroomsize(param[0]);
- }
- if (param[1] != *port[5]) {
- param[1] = *port[5];
- setdamp(param[1]);
- }
-
- float wet = (1.0f - *port[6]) * scalewet;
- float dry = *port[6] * scaledry;
- float wet1 = wet * (width/2 + 0.5f);
- float wet2 = wet * ((1-width)/2);
-
- for (int i = 0; i < n; ++i) {
- float outL = 0;
- float outR = 0;
- float input = (port[0][i] + port[1][i]) * gain;
-
- // Accumulate comb filters in parallel
- for (int k = 0; k < numcombs; k++) {
- outL += combL[k].process(input);
- outR += combR[k].process(input);
- }
-
- // Feed through allpasses in series
- for (int k=0; k < numallpasses; k++) {
- outL = allpassL[k].process(outL);
- outR = allpassR[k].process(outR);
- }
-
- // Calculate output REPLACING anything already there
- port[2][i] += outL*wet1 + outR*wet2 + port[0][i]*dry;
- port[3][i] += outR*wet1 + outL*wet2 + port[1][i]*dry;
- }
- }
-
-//---------------------------------------------------------
-// update
-// Recalculate internal values after parameter change
-//---------------------------------------------------------
-
-void Revmodel::update()
- {
- if (mode >= freezemode) {
- roomsize1 = 1;
- damp1 = 0;
- gain = muted;
- }
- else {
- roomsize1 = roomsize;
- damp1 = damp;
- gain = fixedgain;
- }
-
- for (int i = 0; i < numcombs; i++) {
- combL[i].setfeedback(roomsize1);
- combR[i].setfeedback(roomsize1);
- }
-
- for (int 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();
- }
-
-void Revmodel::setwidth(float value)
- {
- width = value;
- update();
- }
-
-void Revmodel::setmode(float value)
- {
- mode = value;
- update();
- }
-
-float Revmodel::getmode()
- {
- return (mode >= freezemode) ? 1 : 0;
- }
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