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https://github.com/thestk/stk
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Version 3.0
This commit is contained in:
Gary Scavone
committed by
Stephen Sinclair
Stephen Sinclair
parent
7c0ee03d60
commit
868787a5f9
159
effects/effects.cpp
Normal file
159
effects/effects.cpp
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/************** Test Effects Program *********************/
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#include "../STK/RTSoundIO.h"
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#include "../STK/RTDuplex.h"
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#include "../STK/SKINI11.h"
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#include "../STK/SKINI11.msg"
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#include "../STK/Envelope.h"
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#include "../STK/PRCRev.h"
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#include "../STK/JCRev.h"
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#include "../STK/NRev.h"
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#include "Echo.h"
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#include "PitShift.h"
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#include "Chorus.h"
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// The input command pipe and socket threads are defined in threads.cpp.
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#include "threads.h"
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int numStrings = 0;
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int notDone = 1;
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char **inputString;
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void errorfun(void) {
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/* Error function in case of incorrect command-line argument specifications */
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printf("\nuseage: effects flag \n");
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printf(" where flag = -ip for realtime SKINI input by pipe\n");
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printf(" (won't work under Win95/98),\n");
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printf(" and flag = -is for realtime SKINI input by socket.\n");
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exit(0);
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}
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void main(int argc,char *argv[])
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{
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MY_FLOAT inSample = 0.0;
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MY_FLOAT lastSample = 0.0;
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MY_FLOAT byte3;
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long i, synlength;
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int type, j, outOne = 0, effect = 0, useSocket = 0;
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if (argc != 2) errorfun();
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if (!strcmp(argv[1],"-is") )
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useSocket = 1;
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else if (strcmp(argv[1],"-ip")) {
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errorfun();
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}
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RTDuplex *inout = new RTDuplex(SRATE,1);
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Echo *echo = new Echo(SRATE); // one second delay
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PitShift *shifter = new PitShift();
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Chorus *chorus = new Chorus(5000.0);
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PRCRev *prcrev = new PRCRev(2.0);
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JCRev *jcrev = new JCRev(2.0);
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NRev *nrev = new NRev(2.0);
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SKINI11 *score = new SKINI11();
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Envelope *envelope = new Envelope;
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// Start the input thread
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if (useSocket)
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startSocketThread();
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else
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startPipeThread();
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/* Finally ... the runtime loop begins! */
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notDone = 1;
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synlength = RT_BUFFER_SIZE;
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while(notDone || numStrings) {
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if (numStrings > 1) synlength = (long) RT_BUFFER_SIZE / numStrings;
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else synlength = RT_BUFFER_SIZE;
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for ( i=0; i<synlength; i++ ) {
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if (effect == 0)
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inSample = inout->tick(envelope->tick() * echo->tick(lastSample));
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else if (effect == 1)
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inSample = inout->tick(envelope->tick() * shifter->tick(lastSample));
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else if (effect == 2)
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inSample = inout->tick(envelope->tick() * chorus->tick(lastSample));
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else if (effect == 3)
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inSample = inout->tick(envelope->tick() * prcrev->tick(lastSample));
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else if (effect == 4)
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inSample = inout->tick(envelope->tick() * jcrev->tick(lastSample));
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else if (effect == 5)
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inSample = inout->tick(envelope->tick() * nrev->tick(lastSample));
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lastSample = inSample;
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}
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if (numStrings) {
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score->parseThis(inputString[outOne]);
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type = score->getType();
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if (type > 0) {
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if (type == __SK_NoteOn_ ) {
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if (( byte3 = score->getByteThree() ) == 0) { // NoteOff
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envelope->setRate(0.001);
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envelope->setTarget(0.0);
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}
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else { // Really a NoteOn
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envelope->setRate(0.001);
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envelope->setTarget(1.0);
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}
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}
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else if (type == __SK_NoteOff_) {
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envelope->setRate(0.001);
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envelope->setTarget(0.0);
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}
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else if (type == __SK_ControlChange_) {
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j = (int) score->getByteTwo();
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byte3 = score->getByteThree();
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if (j == 20) effect = (int) byte3; // effect change
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else if (j == 21) { // effects mix
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echo->setEffectMix(byte3*NORM_7);
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shifter->setEffectMix(byte3*NORM_7);
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chorus->setEffectMix(byte3*NORM_7);
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prcrev->setEffectMix(byte3*NORM_7);
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jcrev->setEffectMix(byte3*NORM_7);
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nrev->setEffectMix(byte3*NORM_7);
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}
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else if (j == 22) { // effect1 parameter change
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echo->setDelay(byte3*NORM_7*SRATE*0.95 + 2);
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shifter->setShift(byte3*NORM_7*3 + 0.25);
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chorus->setModFreq(byte3*NORM_7);
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}
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else if (j == 23) { // effect1 parameter change
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chorus->setModDepth(byte3*NORM_7*0.2);
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}
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}
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}
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outOne += 1;
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if (outOne == MAX_IN_STRINGS) outOne = 0;
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numStrings--;
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}
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}
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envelope->setRate(0.001);
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envelope->setTarget(0.0);
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for (i=0;i<SRATE;i++) { /* let the sound settle a bit */
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if (effect == 0)
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inSample = inout->tick(envelope->tick() * echo->tick(lastSample));
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else if (effect == 1)
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inSample = inout->tick(envelope->tick() * shifter->tick(lastSample));
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else if (effect == 2)
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inSample = inout->tick(envelope->tick() * chorus->tick(lastSample));
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else if (effect == 3)
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inSample = inout->tick(envelope->tick() * prcrev->tick(lastSample));
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else if (effect == 4)
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inSample = inout->tick(envelope->tick() * jcrev->tick(lastSample));
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else if (effect == 5)
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inSample = inout->tick(envelope->tick() * nrev->tick(lastSample));
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lastSample = inSample;
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}
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delete inout;
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delete echo;
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delete shifter;
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delete chorus;
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delete prcrev;
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delete jcrev;
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delete nrev;
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delete score;
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delete envelope;
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printf("effects finished ... goodbye.\n");
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}
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