diff options
Diffstat (limited to 'muse_qt4_evolution/synti/zynaddsubfx/Params/Controller.C')
| -rw-r--r-- | muse_qt4_evolution/synti/zynaddsubfx/Params/Controller.C | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Params/Controller.C b/muse_qt4_evolution/synti/zynaddsubfx/Params/Controller.C new file mode 100644 index 00000000..30f59161 --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Params/Controller.C @@ -0,0 +1,300 @@ +/* + ZynAddSubFX - a software synthesizer + + Controller.C - (Midi) Controllers implementation + Copyright (C) 2002-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#include "Controller.h" +#include <math.h> +#include <stdio.h> + +Controller::Controller(){ + defaults(); + resetall(); +}; + +Controller::~Controller(){ +}; + +void Controller::defaults(){ + setpitchwheelbendrange(200);//2 halftones + expression.receive=1; + panning.depth=64; + filtercutoff.depth=64; + filterq.depth=64; + bandwidth.depth=64; + bandwidth.exponential=0; + modwheel.depth=80; + modwheel.exponential=0; + fmamp.receive=1; + volume.receive=0; + sustain.receive=1; + NRPN.receive=1; + + portamento.portamento=0; + portamento.used=0; + portamento.receive=1; + portamento.time=64; + portamento.updowntimestretch=64; + portamento.pitchthresh=3; + portamento.pitchthreshtype=1; + portamento.noteusing=-1; + resonancecenter.depth=64; + resonancebandwidth.depth=64; + + initportamento(440.0,440.0); + setportamento(0); + +}; + +void Controller::resetall(){ + setpitchwheel(0);//center + setexpression(127); + setpanning(64); + setfiltercutoff(64); + setfilterq(64); + setbandwidth(64); + setmodwheel(64); + setfmamp(127); + setvolume(127); + setsustain(0); + setresonancecenter(64); + setresonancebw(64); + + //reset the NRPN + NRPN.parhi=-1; + NRPN.parlo=-1; + NRPN.valhi=-1; + NRPN.vallo=-1; +}; + +void Controller::setpitchwheel(int value){ + pitchwheel.data=value; + REALTYPE cents=value/8192.0; + cents*=pitchwheel.bendrange; + pitchwheel.relfreq=pow(2,cents/1200.0); + //fprintf(stderr,"%ld %ld -> %.3f\n",pitchwheel.bendrange,pitchwheel.data,pitchwheel.relfreq);fflush(stderr); +}; + +void Controller::setpitchwheelbendrange(unsigned short int value){ + pitchwheel.bendrange=value; +}; + +void Controller::setexpression(int value){ + expression.data=value; + if (expression.receive!=0) expression.relvolume=value/127.0; + else expression.relvolume=1.0; +}; + +void Controller::setpanning(int value){ + panning.data=value; + panning.pan=(value/128.0-0.5)*(panning.depth/64.0); +}; + +void Controller::setfiltercutoff(int value){ + filtercutoff.data=value; + filtercutoff.relfreq=(value-64.0)*filtercutoff.depth/4096.0*3.321928;//3.3219..=ln2(10) +}; + +void Controller::setfilterq(int value){ + filterq.data=value; + filterq.relq=pow(30.0,(value-64.0)/64.0*(filterq.depth/64.0)); +}; + +void Controller::setbandwidth(int value){ + bandwidth.data=value; + if (bandwidth.exponential==0) { + REALTYPE tmp=pow(25.0,pow(bandwidth.depth/127.0,1.5))-1.0; + if ((value<64)&&(bandwidth.depth>=64)) tmp=1.0; + bandwidth.relbw=(value/64.0-1.0)*tmp+1.0; + if (bandwidth.relbw<0.01) bandwidth.relbw=0.01; + } else { + bandwidth.relbw=pow(25.0,(value-64.0)/64.0*(bandwidth.depth/64.0)); + }; +}; + +void Controller::setmodwheel(int value){ + modwheel.data=value; + if (modwheel.exponential==0) { + REALTYPE tmp=pow(25.0,pow(modwheel.depth/127.0,1.5)*2.0)/25.0; + if ((value<64)&&(modwheel.depth>=64)) tmp=1.0; + modwheel.relmod=(value/64.0-1.0)*tmp+1.0; + if (modwheel.relmod<0.0) modwheel.relmod=0.0; + } else modwheel.relmod=pow(25.0,(value-64.0)/64.0*(modwheel.depth/80.0)); +}; + +void Controller::setfmamp(int value){ + fmamp.data=value; + fmamp.relamp=value/127.0; + if (fmamp.receive!=0) fmamp.relamp=value/127.0; + else fmamp.relamp=1.0; +}; + +void Controller::setvolume(int value){ + volume.data=value; + if (volume.receive!=0) volume.volume=pow(0.1,(127-value)/127.0*2.0); + else volume.volume=1.0; +}; + +void Controller::setsustain(int value){ + sustain.data=value; + if (sustain.receive!=0) sustain.sustain=((value<64) ? 0 : 1 ); + else sustain.sustain=0; +}; + +void Controller::setportamento(int value){ + portamento.data=value; + if (portamento.receive!=0) portamento.portamento=((value<64) ? 0 : 1 ); +}; + +int Controller::initportamento(REALTYPE oldfreq,REALTYPE newfreq){ + portamento.x=0.0; + if ((portamento.used!=0) || (portamento.portamento==0)) return(0); + REALTYPE portamentotime=pow(100.0,portamento.time/127.0)/50.0;//portamento time in seconds + + if ((portamento.updowntimestretch>=64)&&(newfreq<oldfreq)){ + if (portamento.updowntimestretch==127) return(0); + portamentotime*=pow(0.1,(portamento.updowntimestretch-64)/63.0); + } + if ((portamento.updowntimestretch<64)&&(newfreq>oldfreq)){ + if (portamento.updowntimestretch==0) return(0); + portamentotime*=pow(0.1,(64.0-portamento.updowntimestretch)/64.0); + }; + + portamento.dx=SOUND_BUFFER_SIZE/(portamentotime*SAMPLE_RATE); + portamento.origfreqrap=oldfreq/newfreq; + + REALTYPE tmprap=( (portamento.origfreqrap>1.0) ? + (portamento.origfreqrap) : + (1.0/portamento.origfreqrap) ); + + REALTYPE thresholdrap=pow(2.0,portamento.pitchthresh/12.0); + if ((portamento.pitchthreshtype==0) && (tmprap-0.00001>thresholdrap) ) return(0); + if ((portamento.pitchthreshtype==1) && (tmprap+0.00001<thresholdrap) ) return(0); + + portamento.used=1; + portamento.freqrap=portamento.origfreqrap; + return (1); +}; + +void Controller::updateportamento(){ + if (portamento.used==0) return; + + portamento.x+=portamento.dx; + if (portamento.x>1.0) { + portamento.x=1.0; + portamento.used=0; + }; + portamento.freqrap=(1.0-portamento.x)*portamento.origfreqrap+portamento.x; +}; + + +void Controller::setresonancecenter(int value){ + resonancecenter.data=value; + resonancecenter.relcenter=pow(3.0,(value-64.0)/64.0*(resonancecenter.depth/64.0)); +}; +void Controller::setresonancebw(int value){ + resonancebandwidth.data=value; + resonancebandwidth.relbw=pow(1.5,(value-64.0)/64.0*(resonancebandwidth.depth/127.0)); +}; + + +//Returns 0 if there is NRPN or 1 if there is not +int Controller::getnrpn(int *parhi, int *parlo, int *valhi, int *vallo){ + if (NRPN.receive==0) return(1); + if ((NRPN.parhi<0)||(NRPN.parlo<0)||(NRPN.valhi<0)||(NRPN.vallo<0)) + return(1); + + *parhi=NRPN.parhi; + *parlo=NRPN.parlo; + *valhi=NRPN.valhi; + *vallo=NRPN.vallo; + return(0); +}; + + +void Controller::setparameternumber(unsigned int type,int value){ + switch(type){ + case C_nrpnhi:NRPN.parhi=value; + NRPN.valhi=-1;NRPN.vallo=-1;//clear the values + break; + case C_nrpnlo:NRPN.parlo=value; + NRPN.valhi=-1;NRPN.vallo=-1;//clear the values + break; + case C_dataentryhi:if ((NRPN.parhi>=0)&&(NRPN.parlo>=0)) NRPN.valhi=value; + break; + case C_dataentrylo:if ((NRPN.parhi>=0)&&(NRPN.parlo>=0)) NRPN.vallo=value; + break; + }; +}; + + + +void Controller::add2XML(XMLwrapper *xml){ + xml->addpar("pitchwheel_bendrange",pitchwheel.bendrange); + + xml->addparbool("expression_receive",expression.receive); + xml->addpar("panning_depth",panning.depth); + xml->addpar("filter_cutoff_depth",filtercutoff.depth); + xml->addpar("filter_q_depth",filterq.depth); + xml->addpar("bandwidth_depth",bandwidth.depth); + xml->addpar("mod_wheel_depth",modwheel.depth); + xml->addparbool("mod_wheel_exponential",modwheel.exponential); + xml->addparbool("fm_amp_receive",fmamp.receive); + xml->addparbool("volume_receive",volume.receive); + xml->addparbool("sustain_receive",sustain.receive); + + xml->addparbool("portamento_receive",portamento.receive); + xml->addpar("portamento_time",portamento.time); + xml->addpar("portamento_pitchthresh",portamento.pitchthresh); + xml->addpar("portamento_pitchthreshtype",portamento.pitchthreshtype); + xml->addpar("portamento_portamento",portamento.portamento); + xml->addpar("portamento_updowntimestretch",portamento.updowntimestretch); + + xml->addpar("resonance_center_depth",resonancecenter.depth); + xml->addpar("resonance_bandwidth_depth",resonancebandwidth.depth); +}; + +void Controller::getfromXML(XMLwrapper *xml){ + pitchwheel.bendrange=xml->getpar("pitchwheel_bendrange",pitchwheel.bendrange,-6400,6400); + + expression.receive=xml->getparbool("expression_receive",expression.receive); + panning.depth=xml->getpar127("panning_depth",panning.depth); + filtercutoff.depth=xml->getpar127("filter_cutoff_depth",filtercutoff.depth); + filterq.depth=xml->getpar127("filter_q_depth",filterq.depth); + bandwidth.depth=xml->getpar127("bandwidth_depth",bandwidth.depth); + modwheel.depth=xml->getpar127("mod_wheel_depth",modwheel.depth); + modwheel.exponential=xml->getparbool("mod_wheel_exponential",modwheel.exponential); + fmamp.receive=xml->getparbool("fm_amp_receive",fmamp.receive); + volume.receive=xml->getparbool("volume_receive",volume.receive); + sustain.receive=xml->getparbool("sustain_receive",sustain.receive); + + portamento.receive=xml->getparbool("portamento_receive",portamento.receive); + portamento.time=xml->getpar127("portamento_time",portamento.time); + portamento.pitchthresh=xml->getpar127("portamento_pitchthresh",portamento.pitchthresh); + portamento.pitchthreshtype=xml->getpar127("portamento_pitchthreshtype",portamento.pitchthreshtype); + portamento.portamento=xml->getpar127("portamento_portamento",portamento.portamento); + portamento.updowntimestretch=xml->getpar127("portamento_updowntimestretch",portamento.updowntimestretch); + + resonancecenter.depth=xml->getpar127("resonance_center_depth",resonancecenter.depth); + resonancebandwidth.depth=xml->getpar127("resonance_bandwidth_depth",resonancebandwidth.depth); +}; + + + |