diff options
Diffstat (limited to 'attic/muse_qt4_evolution/synti/organ/reverb.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/synti/organ/reverb.cpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/attic/muse_qt4_evolution/synti/organ/reverb.cpp b/attic/muse_qt4_evolution/synti/organ/reverb.cpp deleted file mode 100644 index 72775bc5..00000000 --- a/attic/muse_qt4_evolution/synti/organ/reverb.cpp +++ /dev/null @@ -1,163 +0,0 @@ -//========================================================= -// MusE -// Linux Music Editor -// $Id:$ -// -// based on "freeverb" written by Jezar at Dreampoint, -// June 2000 -// -// (C) Copyright 2007 Werner Schweer (ws@seh.de) -//========================================================= - -#include "reverb.h" - -//--------------------------------------------------------- -// Reverb -//--------------------------------------------------------- - -Reverb::Reverb() - { - // 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); - - setRoomSize(.5); - setMix(.5); - setdamp(.5); - setwidth(initialwidth); - - // 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(); - } - } - -//--------------------------------------------------------- -// update -// Recalculate internal values after parameter change -//--------------------------------------------------------- - -void Reverb::update() - { - 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); - } - } - -//--------------------------------------------------------- -// setroomsize -//--------------------------------------------------------- - -void Reverb::setRoomSize(float value) - { - roomsize = (value*scaleroom) + offsetroom; - update(); - } - -//--------------------------------------------------------- -// setdamp -//--------------------------------------------------------- - -void Reverb::setdamp(float value) - { - damp = value*scaledamp; - update(); - } - -//--------------------------------------------------------- -// setwidth -//--------------------------------------------------------- - -void Reverb::setwidth(float value) - { - width = value; - update(); - } - -//--------------------------------------------------------- -// setMix -//--------------------------------------------------------- - -void Reverb::setMix(float value) - { - wetLevel = value; - } - -//--------------------------------------------------------- -// process -//--------------------------------------------------------- - -void Reverb::process(float* l, float* r, int n) - { - float wet = wetLevel; - float dry = 1.0 - wetLevel; - - for (int i = 0; i < n; ++i) { - float outL = 0.0; - float outR = 0.0; - float input = (l[i] + r[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); - } - l[i] = outL * wet + l[i] * dry; - r[i] = outR * wet + r[i] * dry; - } - } - |