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stk/projects/ragamatic/ragamat.cpp
Gary Scavone 2f09fcd019 Version 4.1
2013-09-29 23:04:59 +02:00

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8.2 KiB
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/************** Test Main Program Individual Voice *********************/
#include "RtWvOut.h"
#include "SKINI.msg"
#include "Instrmnt.h"
#include "Reverb.h"
#include "JCRev.h"
#include "Drone.h"
#include "Sitar.h"
#include "Tabla.h"
#include "VoicDrum.h"
// The input control handler.
#include "Messager.h"
MY_FLOAT float_random(MY_FLOAT max) // Return random float between 0.0 and max
{
MY_FLOAT temp = (MY_FLOAT) (max * rand() / (RAND_MAX + 1.0) );
return temp;
}
void usage(void) {
/* Error function in case of incorrect command-line argument specifications */
printf("\nuseage: ragamat flags \n");
printf(" where flag = -s RATE to specify a sample rate,\n");
printf(" flag = -ip for realtime SKINI input by pipe\n");
printf(" (won't work under Win95/98),\n");
printf(" and flag = -is <port> for realtime SKINI input by socket.\n");
exit(0);
}
int main(int argc,char *argv[])
{
bool done;
RtWvOut *output;
Instrmnt *drones[3];
Instrmnt *sitar;
Instrmnt *voicDrums;
Instrmnt *tabla;
Reverb *reverbs[2];
SKINI *score;
Messager *messager;
MY_FLOAT t60 = 4.0; // in seconds
MY_FLOAT drone_prob = 0.01, note_prob = 0.0;
MY_FLOAT drum_prob = 0.0, voic_prob = 0.0;
MY_FLOAT droneFreqs[3] = {55.0,82.5,220.0};
int tempo = 3000;
int counter = 3000;
int key = 0;
int ragaStep, ragaPoint = 6, voicNote;
int ragaUp[2][13] = {{57, 60, 62, 64, 65, 68, 69, 71, 72, 76, 77, 81},
{52, 54, 55, 57, 59, 60, 63, 64, 66, 67, 71, 72}};
int ragaDown[2][13] = {{57, 60, 62, 64, 65, 67, 69, 71, 72, 76, 79, 81},
{48, 52, 53, 55, 57, 59, 60, 64, 66, 68, 70, 72}};
// If you want to change the default sample rate (set in Stk.h), do
// it before instantiating any objects! If the sample rate is
// specified in the command line, it will override this setting.
Stk::setSampleRate(22050.0);
if (argc < 2 || argc > 6) usage();
int port = -1;
int i, controlMask = 0;
for ( i=1; i<argc; i++ ) {
if (!strcmp(argv[i],"-is") ) {
controlMask |= STK_SOCKET;
if (i+1 < argc && argv[i+1][0] != '-' ) port = atoi(argv[++i]);
}
else if (!strcmp(argv[i],"-ip") )
controlMask |= STK_PIPE;
else if (!strcmp(argv[i],"-s") && (i+1 < argc) && argv[i+1][0] != '-')
Stk::setSampleRate( atoi(argv[++i]) );
else
usage();
}
try {
output = new RtWvOut(2);
// Instantiate the input message controller.
if ( controlMask & STK_SOCKET && port >= 0 )
messager = new Messager( controlMask, port );
else
messager = new Messager( controlMask );
}
catch (StkError &) {
exit(0);
}
drones[0] = new Drone(50.0);
drones[1] = new Drone(50.0);
drones[2] = new Drone(50.0);
sitar = new Sitar(50.0);
voicDrums = new VoicDrum();
tabla = new Tabla();
score = new SKINI();
reverbs[0] = new JCRev(t60);
reverbs[0]->setEffectMix(0.5);
reverbs[1] = new JCRev(2.0);
reverbs[1]->setEffectMix(0.2);
drones[0]->noteOn(droneFreqs[0],0.1);
drones[1]->noteOn(droneFreqs[1],0.1);
drones[2]->noteOn(droneFreqs[2],0.1);
MY_FLOAT outSamples[2];
for (i=0;i<Stk::sampleRate();i++) { /* warm everybody up a little */
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
// The runtime loop begins here:
done = FALSE;
MY_FLOAT rateScaler = 22050.0 / Stk::sampleRate();
int nTicks, type;
MY_FLOAT temp, byte2, byte3;
while (!done) {
type = messager->nextMessage();
if (type < 0)
done = TRUE;
nTicks = messager->getDelta();
for (i=0; i<nTicks; i++) {
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick()
+ sitar->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick() + 0.5 * voicDrums->tick()
+ 0.5 * tabla->tick());
// mix a little left to right and back
temp = outSamples[0];
outSamples[0] += 0.3 * outSamples[1];
outSamples[1] += 0.3 * temp;
output->tickFrame(outSamples);
counter -= 1;
if (counter == 0) {
counter = (int) (tempo / rateScaler);
if (float_random(1.0) < drone_prob)
drones[0]->noteOn(droneFreqs[0], 0.1);
if (float_random(1.0) < drone_prob)
drones[1]->noteOn(droneFreqs[1], 0.1);
if (float_random(1.0) < drone_prob)
drones[2]->noteOn(droneFreqs[2], 0.1);
if (float_random(1.0) < note_prob) {
if ((temp = float_random(1.0)) < 0.1)
ragaStep = 0;
else if (temp < 0.5)
ragaStep = 1;
else
ragaStep = -1;
ragaPoint += ragaStep;
if (ragaPoint < 0)
ragaPoint -= (2*ragaStep);
if (ragaPoint > 11)
ragaPoint = 11;
if (ragaStep > 0)
sitar->noteOn(Midi2Pitch[ragaUp[key][ragaPoint]],
0.05 + float_random(0.3));
else
sitar->noteOn(Midi2Pitch[ragaDown[key][ragaPoint]],
0.05 + float_random(0.3));
}
if (float_random(1.0) < voic_prob) {
voicNote = (int) float_random(11);
voicDrums->noteOn(voicNote, 0.3 + (0.4 * drum_prob) +
float_random(0.3 * voic_prob));
}
if (float_random(1.0) < drum_prob) {
voicNote = (int) float_random(TABLA_NUMWAVES);
tabla->noteOn(voicNote, 0.2 + (0.2 * drum_prob) +
float_random(0.6 * drum_prob));
}
}
}
if ( type > 0 ) {
// parse the input control message
byte2 = messager->getByteTwo();
byte3 = messager->getByteThree();
switch(type) {
case __SK_ControlChange_:
if (byte2 == 1) {
drone_prob = byte3 * ONE_OVER_128;
}
else if (byte2 == 2) {
note_prob = byte3 * ONE_OVER_128;
}
else if (byte2 == 4) {
voic_prob = byte3 * ONE_OVER_128;
}
else if (byte2 == 11) {
drum_prob = byte3 * ONE_OVER_128;
}
else if (byte2 == 7) {
tempo = (int) (11025 - (byte3 * 70));
}
else if (byte2 == 64) {
if (byte3 == 0) {
key = 1;
droneFreqs[0] = 55.0;
droneFreqs[1] = 82.5;
droneFreqs[2] = 220.0;
}
else {
key = 0;
droneFreqs[0] = 82.5;
droneFreqs[1] = 123.5;
droneFreqs[2] = 330.0;
}
}
}
}
}
nTicks = (long) (t60 * Stk::sampleRate());
printf("What Need Have I for This?\n");
drones[1]->noteOn(droneFreqs[1],0.1);
for (i=0; i<nTicks; i++) { // Calm down a little
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
printf("What Need Have I for This?\n");
drones[2]->noteOn(droneFreqs[2],0.1);
for (i=0; i<nTicks; i++) { // and a little more
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
printf("RagaMatic finished ... \n");
drones[0]->noteOn(droneFreqs[0],0.1);
for (i=0; i<nTicks; i++) { // almost ready to think about ending
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
printf("All is Bliss ...\n");
for (i=0; i<nTicks; i++) { // nearly finished now
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
printf("All is Bliss ...\n");
for (i=0; i<nTicks; i++) { // all is bliss....
outSamples[0] = reverbs[0]->tick(drones[0]->tick() + drones[2]->tick());
outSamples[1] = reverbs[1]->tick(1.5 * drones[1]->tick());
output->tickFrame(outSamples);
}
delete output;
delete score;
delete drones[0];
delete drones[1];
delete drones[2];
delete sitar;
delete tabla;
delete voicDrums;
delete reverbs[0];
delete reverbs[1];
delete messager;
return 0;
}
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