int PANECHO::init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
float deltime0 = p[4];
float deltime1 = p[5];
float ringdur = p[7];
inchan = n_args > 8 ? (int) p[8] : 0;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels())
return die("PANECHO", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR + 0.5);
if (outputChannels() != 2)
return die("PANECHO", "Output must be stereo.");
if (deltime0 <= 0.0 || deltime1 <= 0.0)
return die("PANECHO", "Illegal delay times");
long delsamps = (long) (deltime0 * SR + 0.5);
delay0 = new Odelayi(delsamps);
delsamps = (long) (deltime1 * SR + 0.5);
delay1 = new Odelayi(delsamps);
if (delay0->length() == 0 || delay1->length() == 0)
return die("PANECHO", "Can't allocate delay line memory.");
prevdeltime0 = prevdeltime1 = -999999999.9; // force first update
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
return nSamps();
}
int DUMP::init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float dur = p[1];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() > 2)
return die("DUMP", "Output must be mono or stereo.");
if (nargs > 3)
table = (double *) getPFieldTable(3, &tablelen);
skip = (int) (SR / (float) resetval);
return nSamps();
}
int RVB::init(double p[], int n_args)
{
float outskip, inskip, rvb_time;
outskip = p[0];
inskip = p[1];
m_dur = p[2];
if (m_dur < 0) /* "dur" represents timend */
m_dur = -m_dur - inskip;
if (rtsetinput(inskip, this) == -1) { // no input
return(DONT_SCHEDULE);
}
insamps = (int)(m_dur * SR);
m_amp = p[3];
if (inputChannels() != 4)
return die(name(), "Input must be 4-channel (2 sig+early refl, 2 reverb input).");
if (outputChannels() != 2)
return die(name(), "Output must be stereo.");
double Matrix[12][12];
/* Get results of Minc setup calls (space, mikes_on, mikes_off, matrix) */
if (get_rvb_setup_params(Dimensions, Matrix, &rvb_time) == -1)
return die(name(), "You must call setup routine `space' first.");
/* (perform some initialization that used to be in space.c) */
int meanLength = MFP_samps(SR, Dimensions); // mean delay length for reverb
get_lengths(meanLength); /* sets up delay lengths */
set_gains(rvb_time); /* sets gains for filters */
set_random(); /* sets up random variation of delays */
set_allpass();
wire_matrix(Matrix);
if (rtsetoutput(outskip, m_dur + rvb_time, this) == -1)
return DONT_SCHEDULE;
DBG1(printf("nsamps = %d\n", nSamps()));
return nSamps();
}
int CRACKLE::init(double p[], int n_args)
{
nargs = n_args;
const float outskip = p[0];
const float dur = p[1];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() > 2)
return die("CRACKLE", "Use mono or stereo output only.");
x0 = rrand() * 0.1;
x1 = 0;
x2 = 0;
x3 = 0;
return nSamps();
}
int NOISE :: init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float dur = p[1];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
amparray = floc(1);
if (amparray) {
int lenamp = fsize(1);
tableset(SR, dur, lenamp, amptabs);
}
skip = (int) (SR / (float) resetval);
return nSamps();
}
int MSITAR :: init(double p[], int n_args)
{
nargs = n_args;
Stk::setSampleRate(SR);
if (rtsetoutput(p[0], p[1], this) == -1)
return DONT_SCHEDULE;
amptable = floc(1);
if (amptable) // the amp array has been created using makegen
theEnv = new Ooscili(SR, 1.0/p[1], 1);
theSitar = new Sitar(50.0); // 50 Hz is lowest freq for now
freq = p[3];
theSitar->noteOn(p[3], p[4]);
pctleft = n_args > 5 ? p[5] : 0.5; /* default is .5 */
return nSamps();
}
int REV :: init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
amp = p[3];
int rvbtype = (int) p[4];
float rvbtime = p[5];
inchan = (int) p[7];
if (rtsetoutput(outskip, dur + rvbtime, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR + 0.5);
if (inchan >= inputChannels())
return die("REV", "You asked for channel %d of a %d-channel file",
inchan, inputChannels());
switch (rvbtype) {
case 1:
reverb = new PRCRev(SR, rvbtime);
break;
case 2:
reverb = new JCRev(SR, rvbtime);
break;
case 3:
reverb = new NRev(SR, rvbtime);
break;
default:
return die("REV", "Unknown reverb type %d.", rvbtype);
}
amparray = floc(1);
if (amparray) {
int lenamp = fsize(1);
tableset(SR, dur, lenamp, amptabs);
}
return nSamps();
}
int DEL1::init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
float deltime = p[4];
inchan = n_args > 6 ? (int) p[6] : 0;
float ringdur = n_args > 7 ? p[7] : deltime;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels())
return die("DEL1", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR + 0.5);
if (outputChannels() != 2)
return die("DEL1", "Output must be stereo.");
if (deltime <= 0.0)
return die("DEL1", "Illegal delay time (%g).", deltime);
long delsamps = (long) (deltime * SR + 0.5);
delay = new Odelayi(delsamps);
if (delay->length() == 0)
return die("DEL1", "Can't allocate delay line memory.");
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
skip = (int) (SR / (float) resetval);
return nSamps();
}
int COMBIT::init(double p[], int n_args)
{
float start = p[0];
float inskip = p[1];
float dur = p[2];
frequency = p[4];
rvbtime = p[5];
inchan = n_args > 6 ? (int) p[6] : 0;
pctleft = n_args > 7 ? p[7] : 0.0;
float ringdur = n_args > 8 ? p[8] : rvbtime;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE; // no input
if (inchan >= inputChannels())
return die("COMBIT", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (rtsetoutput(start, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR + 0.5);
if (frequency <= 0.0)
return die("COMBIT", "Invalid frequency value!");
float loopt = 1.0 / frequency;
comb = new Ocombi(SR, loopt, loopt, rvbtime);
if (comb->frequency() == 0.0)
return die("COMBIT", "Failed to allocate comb memory!");
frequency = -1.0; // force update in run()
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur + rvbtime, amplen, tabs);
}
skip = (int) (SR / (float) resetval);
return nSamps();
}
int PFSCHED::init(double p[], int n_args)
{
// about ths RTBUFSAMPS+1 nonsense:
// when a PFSCHED note finishes, it de-allocates the PFields associated
// with it. This is generally not a problem (because the 'connected'
// instrument/note drawing from the PField only needs the PField for
// the duration specified in the PFSCHED note), but if the duration is
// less than one RTBUFSAMP then the PFSCHED note will finish and deallocate
// *before* the other instrument gets a chance to read through the
// 'connected' PField. Instead of rewriting a huge amount of the PField
// code to handle the ref counters, etc. I just make sure that the
// PFSCHED note will last at least one buffer longer than the time
// computed for the PField to be read. Almost no additional load
// on the CPU, see the run() method below.
if (rtsetoutput(p[0], p[1]+((double)(RTBUFSAMPS+1)/SR), this) == -1)
return DONT_SCHEDULE;
// if set_dq_flag is 1, then the dqflag of pfbusses[] will be set to
// signal de-queuing at end of this duration/envelope
if (n_args > 4) set_dq_flag = 1;
else set_dq_flag = 0;
pfbus = p[2];
if (pfbus_is_connected[pfbus] != 1) {
rterror("PFSCHED", "pfbus %d not connected", pfbus);
return DONT_SCHEDULE;
}
pfbusses[pfbus].drawflag = 0; // the 'connected' note will read when == 1
// pfbusses[pfbus].thepfield = &((*_pfields)[3]);
// pfbusses[pfbus].thepfield = &(getPField(3)); // this is the PField to read
PFSCHEDpfield = &(getPField(3)); // this is the PField to read
// set the other fields in ::run in case multiple PFSCHEDs on one pfbus
firsttime = 1;
return nSamps();
}
int MMODALBAR :: init(double p[], int n_args)
{
int i;
nargs = n_args;
Stk::setSampleRate(SR);
if (rtsetoutput(p[0], p[1], this) == -1)
return DONT_SCHEDULE;
amptable = floc(1);
if (amptable) // the amp array has been created using makegen
theEnv = new Ooscili(SR, 1.0/p[1], 1);
theBar = new ModalBar();
// create the excitation function -- I'm using the "marmstk1.raw"
// file in perry/gary's stk as a very rough guide for this
theRand = new Orand();
for (i = 0; i < 25; i++)
excite[i] = theRand->rand() * (float)i/25.0;
for (i = 25; i < 256; i++)
excite[i] = theRand->rand() * ( (231.0 - (float)(i-25))/231.0 );
theFilt = new BiQuad();
theFilt->setResonance(p[4]*100.0, 1.0-p[4], true);
for (i = 0; i < 256; i++) excite[i] = theFilt->tick(excite[i]);
theBar->setPreset((int)p[6]);
theBar->setStickHardness(p[4]);
theBar->setStrikePosition(p[5]);
freq = p[3];
// not sure if this normalizes the amplitude enough to compensate
// for the filtering. oh well.
theBar->noteOn(p[3], p[4]); // amplitude handled by p[2] in this one
pctleft = n_args > 7 ? p[7] : 0.5; /* default is .5 */
return nSamps();
}
int PAN :: init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
inchan = n_args > 4 ? (int) p[4] : 0; // default is chan 0
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() != 2)
return die("PAN", "Output must be stereo.");
if (inchan >= inputChannels())
return die("PAN", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
amparray = floc(1);
if (amparray) {
int lenamp = fsize(1);
tableset(SR, dur, lenamp, amptabs);
}
if (n_args < 7) { // no p6 pan PField, must use gen table
panarray = floc(2);
if (panarray == NULL)
return die("PAN", "Either use the pan pfield (p6) "
"or make an old-style gen function in slot 2.");
int len = fsize(2);
tableset(SR, dur, len, pantabs);
}
skip = (int) (SR / (float) resetval);
return nSamps();
}
int DCBLOCK::init(double p[], int n_args)
{
const float outskip = p[0];
const float inskip = p[1];
const float dur = p[2];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() != inputChannels())
return die("DCBLOCK", "The number of input channels must be the same "
"as the number of output channels.");
_chans = inputChannels();
_blocker = new Odcblock * [_chans];
for (int i = 0; i < _chans; i++)
_blocker[i] = new Odcblock();
return nSamps();
}
int LOOP::init(double p[], int n_args)
{
if (n_args < 7)
return die("LOOP",
"Usage: LOOP(start, inskip, dur, amp, trans, loopstart, looplen[, inchan, pan])");
const float outskip = p[0];
const float inskip = p[1];
float dur = p[2];
if (dur < 0.0)
dur = -dur - inskip;
_incr = getIncrement(p[4]);
_inchan = (n_args > 7) ? (int) p[7] : 0;
_usesPan = (n_args > 8);
_pan = _usesPan ? p[8] : 0.5;
if (calculateLoop(p) == -1)
return DONT_SCHEDULE;
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() > 2)
return die("LOOP", "Use mono or stereo output only.");
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (_inchan >= inputChannels())
return die("LOOP", "You asked for channel %d of a %d-channel input.", _inchan, inputChannels());
_position = inskip * SR; // Actual starting position in the input file
_inOffset = 0; // Offset of first sample in _in array compared to _position.
return nSamps();
}
int MMESH2D :: init(double p[], int n_args)
{
nargs = n_args;
Stk::setSampleRate(SR);
if (rtsetoutput(p[0], p[1], this) == -1)
return DONT_SCHEDULE;
amptable = floc(1);
if (amptable) // the amp array has been created using makegen
theEnv = new Ooscili(SR, 1.0/p[1], 1);
theMesh = new Mesh2D((short)p[3], (short)p[4]);
theMesh->setInputPosition(p[5], p[6]);
theMesh->setDecay( 0.9 + (p[7]*0.1)); // from the Mesh2D code
theMesh->noteOn(0.0, p[8]);
dcblocker = new Odcblock();
pctleft = n_args > 9 ? p[9] : 0.5; /* default is .5 */
return nSamps();
}
/**
* These pfields are standard for LUAINST instruments:
* p0 = Lua instrument name (string, all others are doubles).
* p1 = Output start time (outskip).
* p2 = Input start time (inskip, must be zero if there is no input).
* p3 = Duration.
* p4 = Amplitude.
* pN = User-defined optional parameters.
*/
virtual int init(double *parameters, int parameterCount)
{
state.name = strdup(DOUBLE_TO_STRING(parameters[0]));
state.parameters = new double[parameterCount];
state.parameterCount = parameterCount;
for (int parameterI = 0; parameterI < parameterCount; ++parameterI)
{
state.parameters[parameterI] = parameters[parameterI];
}
if (rtsetoutput((float) parameters[1], (float) parameters[3], this) == -1)
{
return DONT_SCHEDULE;
}
if (parameters[2] != 0.0)
{
if (rtsetinput(parameters[1], this) == -1) {
return DONT_SCHEDULE;
}
state.inputChannelCount = inputChannels();
}
state.outputChannelCount = outputChannels();
return nSamps();
}
int REVMIX::init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
inchan = n_args > 4 ? (int) p[4] : 0; // default is chan 0
if (inskip == 0)
return die("REVMIX", "Input start time must be greater than zero.");
if (dur > inskip) {
rtcmix_warn("REVMIX", "Duration must be greater than input start time. "
"Adjusting...");
dur = inskip;
}
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE; // no input
if (inchan >= inputChannels())
return die("REVMIX", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
amparray = floc(1);
if (amparray) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
skip = (int) (SR / (float) resetval);
return nSamps();
}
int DELAY::init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
float deltime = p[4];
float ringdur = p[6];
inchan = n_args > 7 ? (int) p[7] : 0;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE; // no input
if (inchan >= inputChannels())
return die("DELAY", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR + 0.5);
if (deltime <= 0.0)
return die("DELAY", "Invalid delay time (%g)", deltime);
long defaultDelay = MAX(100L, long(deltime * SR + 0.5));
delay = new Odelayi(defaultDelay);
// This is how we check for memory failure.
if (delay->length() == 0)
return die("DELAY", "Can't allocate delay line memory.");
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
return nSamps();
}
int GRANSYNTH::init(double p[], int n_args)
{
_nargs = n_args;
if (_nargs < 11 || _nargs > 17)
return die("GRANSYNTH", USAGE_MESSAGE);
const double outskip = p[0];
const double dur = p[1];
const int seed = _nargs > 14 ? int(p[14]) : 0;
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() > 2)
return die("GRANSYNTH", "You can have only mono or stereo output.");
_stereoOut = (outputChannels() == 2);
int length;
double *table = (double *) getPFieldTable(3, &length);
if (table == NULL)
return die("GRANSYNTH", "You must create a table containing the "
"oscillator waveform.");
_stream = new SynthGrainStream(SR, table, length, outputChannels(), seed);
table = (double *) getPFieldTable(4, &length);
if (table == NULL)
return die("GRANSYNTH", "You must create a table containing the grain "
"envelope.");
_stream->setGrainEnvelopeTable(table, length);
if (_nargs > 12) {
table = (double *) getPFieldTable(12, &length);
if (table != NULL)
_stream->setGrainTranspositionCollection(table, length);
}
return nSamps();
}
int TRANS3 :: init(double p[], int n_args)
{
nargs = n_args;
if (nargs < 5)
return die("TRANS3",
"Usage: TRANS3(start, inskip, dur, amp, trans[, inchan, pan])");
const float outskip = p[0];
const float inskip = p[1];
float dur = p[2];
if (dur < 0.0)
dur = -dur - inskip;
inchan = (nargs > 5) ? (int) p[5] : 0;
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels()) {
return die("TRANS3", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
}
// to trigger first read in run()
inframe = RTBUFSAMPS;
oneover_cpsoct10 = 1.0 / cpsoct(10.0);
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
return nSamps();
}
int WAVY::init(double p[], int n_args)
{
if (n_args < 9)
return usage();
_nargs = n_args;
const float outskip = p[0];
const float dur = p[1];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() < 1 || outputChannels() > 2)
return die("WAVY", "Must have mono or stereo output only.");
int wavelenA;
double *wavetabA = (double *) getPFieldTable(6, &wavelenA);
if (wavetabA == NULL)
return die("WAVY", "p6 must be wavetable (use maketable)");
int wavelenB;
double *wavetabB = (double *) getPFieldTable(7, &wavelenB);
if (wavetabB == NULL) {
wavetabB = wavetabA;
wavelenB = wavelenA;
}
_oscilA = new Ooscil(SR, 440.0, wavetabA, wavelenA);
_oscilB = new Ooscil(SR, 440.0, wavetabB, wavelenB);
if (setExpression() != 0)
return DONT_SCHEDULE;
assert(_fp != NULL || _combiner != NULL);
return nSamps();
}
int START::init(double p[], int n_args)
{
float outskip = p[0];
float dur = p[1];
float pitch = p[2];
float fdecay = p[3];
float nydecay = p[4];
float amp = p[5];
int squish = (int)p[6];
spread = p[7];
deleteflag = (int)p[8];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
strumq1 = new StrumQueue;
strumq1->ref();
curstrumq[0] = strumq1;
float freq = cpspch(pitch);
sset(SR, freq, fdecay, nydecay, strumq1);
randfill(amp, squish, strumq1);
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
else {
rtcmix_advise("START", "Setting phrase curve to all 1's.");
aamp = 1.0;
}
skip = (int)(SR / (float)resetval);
return nSamps();
}
int IINOISE::init(double p[], int n_args)
{
float outskip = p[0];
float dur = p[1];
pan = p[3];
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
initamp(dur, p, 2, 1);
float cf[MAXFILTER], bw[MAXFILTER], gain[MAXFILTER];
nresons = get_iir_filter_specs(cf, bw, gain);
if (nresons == 0)
die("IINOISE", "You must call setup() first to describe filters.");
for (int i = 0; i < nresons; i++) {
// NB: All the IIR insts used the RMS scale factor.
resons[i] = new Oreson(SR, cf[i], bw[i], Oreson::kRMSResponse);
resonamp[i] = gain[i];
}
return nSamps();
}
int TRANS::init(double p[], int n_args)
{
nargs = n_args;
if (nargs < 5)
return die("TRANS",
"Usage: TRANS(start, inskip, dur, amp, trans[, inchan, pan])");
const float outskip = p[0];
const float inskip = p[1];
float dur = p[2];
if (dur < 0.0)
dur = -dur - inskip;
inchan = (nargs > 5) ? (int) p[5] : 0;
pctleft = (nargs > 6) ? p[6] : 0.5;
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels()) {
return die("TRANS", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
}
// to trigger first read in run()
inframe = RTBUFSAMPS;
initamp(dur, p, 3, 1);
oneover_cpsoct10 = 1.0 / cpsoct(10.0);
if (fastUpdate) // no transp updates
_increment = cpsoct(10.0 + octpch(p[4])) * oneover_cpsoct10;
return nSamps();
}
int MCLAR :: init(double p[], int n_args)
{
nargs = n_args;
Stk::setSampleRate(SR);
if (rtsetoutput(p[0], p[1], this) == -1)
return DONT_SCHEDULE;
amptable = floc(1);
if (amptable) // the amp array has been created using makegen
theEnv = new Ooscili(SR, 1.0/p[1], 1);
theClar = new Clarinet(50.0); // 50 Hz is lowest freq for now
noiseamp = p[4];
theClar->setNoise(p[4]);
stiff = p[6];
theClar->setReedStiffness(p[6]);
freq = p[3];
theClar->noteOn(p[3], p[5]);
pctleft = n_args > 7 ? p[7] : 0.5; /* default is .5 */
return nSamps();
}
int WIGGLE::init(double p[], int n_args)
{
const float outskip = p[0];
const float dur = p[1];
depth_type = (n_args > 4) ? getDepthType(p[4]) : NoModOsc;
filter_type = (n_args > 5) ? getFiltType(p[5]) : NoFilter;
float ringdur;
if (filter_type == NoFilter) {
nfilts = 0;
ringdur = 0.0f;
}
else {
if (filter_type != LowPass && filter_type != HighPass)
return die("WIGGLE", "Filter type (p5) must be 0, 1, or 2.");
nfilts = (n_args > 6) ? int(p[6]) : 1;
if (nfilts < 1 || nfilts > MAXFILTS)
return die("WIGGLE",
"Steepness (p6) must be an integer between 1 and %d.",
MAXFILTS);
if (n_args > 7)
do_balance = bool(p[7]);
if (do_balance) {
balancer = new Balance(SR);
balancer->setWindowSize(BALANCE_WINDOW_SIZE);
}
ringdur = 0.1f;
}
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
if (outputChannels() < 1 || outputChannels() > 2)
return die("WIGGLE", "Output must be mono or stereo.");
for (int i = 0; i < nfilts; i++)
filt[i] = new Butter(SR);
double *array = floc(AMP_FUNC);
if (array) {
int len = fsize(AMP_FUNC);
amp_table = new TableL(SR, dur, array, len);
}
int len;
if (n_args > 8)
carwave_array = (double *) getPFieldTable(8, &len);
if (carwave_array == NULL) {
carwave_array = floc(CAR_WAVE_FUNC);
if (carwave_array == NULL)
return die("WIGGLE", "Either use the carrier wavetable pfield (p8), "
"or make an old-style gen function in slot %d.",
CAR_WAVE_FUNC);
len = fsize(CAR_WAVE_FUNC);
}
carrier = new OscilL(SR, 0.0, carwave_array, len);
array = floc(CAR_GLISS_FUNC);
if (array) {
len = fsize(CAR_GLISS_FUNC);
cargliss_table = new TableN(SR, dur, array, len);
}
if (depth_type != NoModOsc) {
if (n_args > 9)
modwave_array = (double *) getPFieldTable(9, &len);
if (modwave_array == NULL) {
modwave_array = floc(MOD_WAVE_FUNC);
if (modwave_array == NULL)
return die("WIGGLE", "Either use the modulator wavetable pfield "
"(p9), or make an old-style gen function "
"in slot %d.", MOD_WAVE_FUNC);
len = fsize(MOD_WAVE_FUNC);
}
modulator = new OscilL(SR, 0.0, modwave_array, len);
array = floc(MOD_FREQ_FUNC);
if (array) {
len = fsize(MOD_FREQ_FUNC);
modfreq_table = new TableL(SR, dur, array, len);
}
else if (n_args < 11) // no p10 mod freq
return die("WIGGLE", "Either use the modulator frequency pfield "
"(p10), or make an old-style gen function in "
"slot %d.", MOD_FREQ_FUNC);
array = floc(MOD_DEPTH_FUNC);
if (array) {
len = fsize(MOD_DEPTH_FUNC);
moddepth_table = new TableL(SR, dur, array, len);
}
else if (n_args < 12) // no p11 mod depth
return die("WIGGLE", "Either use the modulator depth pfield "
"(p11), or make an old-style gen function in "
"slot %d.", MOD_DEPTH_FUNC);
}
if (filter_type != NoFilter) {
array = floc(FILTER_CF_FUNC);
if (array) {
len = fsize(FILTER_CF_FUNC);
filtcf_table = new TableL(SR, dur, array, len);
}
else if (n_args < 13) // no p12 filter cf
return die("WIGGLE", "Either use the filter cutoff frequency pfield "
"(p12), or make an old-style gen function in "
"slot %d.", FILTER_CF_FUNC);
}
if (outputChannels() == 2) {
array = floc(PAN_FUNC);
if (array) {
len = fsize(PAN_FUNC);
pan_table = new TableL(SR, dur, array, len);
}
else if (n_args < 14) // no p13 pan
return die("WIGGLE", "Either use the pan pfield (p13), or make an "
"old-style gen function in slot %d.", PAN_FUNC);
}
cpsoct10 = cpsoct(10.0);
return nSamps();
}
int SHAPE :: init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
amp = p[3];
min_index = p[4];
max_index = p[5];
int ampnorm_genno = (int) p[6];
inchan = n_args > 7 ? (int) p[7] : 0; /* default is chan 0 */
if (n_args < 7)
return die("SHAPE", "Needs at least 7 arguments.");
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels())
return die("SHAPE", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (max_index < min_index)
return die("SHAPE",
"Max. distortion index must not be less than min. index.");
double *function = floc(1);
if (function) {
int len = fsize(1);
amp_table = new TableL(SR, dur, function, len);
}
function = NULL;
int tablelen = 0;
if (n_args > 9) { // handle table coming in as optional p9 TablePField
function = (double *) getPFieldTable(9, &tablelen);
}
if (function == NULL) {
function = floc(2);
if (function == NULL)
return die("SHAPE", "Either use the transfer function pfield (p9) "
"or make an old-style gen function in slot 2.");
tablelen = fsize(2);
}
shaper = new WavShape();
shaper->setTransferFunc(function, tablelen);
function = NULL;
if (n_args < 11) { // no p10 guide PField, must use gen table
function = floc(3);
if (function) {
int len = fsize(3);
index_table = new TableL(SR, dur, function, len);
}
else
rtcmix_advise("SHAPE", "Setting distortion index curve to all 1's.");
}
/* Construct the <ampnorm> WavShape object if (1) p6 is a TablePField, or
(2) if p6 is non-zero, in which case use p6 as the gen slot for the
amp norm function. If p6 is zero, then don't construct <ampnorm>.
*/
function = NULL;
const PField &field = getPField(6);
tablelen = field.values();
function = (double *) field;
if (function == NULL) { // no table pfield
if (ampnorm_genno > 0) {
function = floc(ampnorm_genno);
if (function == NULL)
return die("SHAPE", "You specified table %d as the amplitude "
"normalization function, but you didn't create the table.",
ampnorm_genno);
tablelen = fsize(ampnorm_genno);
}
}
if (function) {
ampnorm = new WavShape();
ampnorm->setTransferFunc(function, tablelen);
}
dcblocker = new DCBlock();
skip = (int) (SR / (float) resetval);
return nSamps();
}
int TRANSBEND :: init(double p[], int n_args)
{
float outskip, inskip, dur, transp, interval = 0, total_indur, dur_to_read;
float averageInc;
int pgen;
if (n_args < 5) {
die("TRANSBEND", "Wrong number of args.");
return(DONT_SCHEDULE);
}
outskip = p[0];
inskip = p[1];
dur = p[2];
amp = p[3];
pgen = (int) p[4];
inchan = (n_args > 5) ? (int) p[5] : 0;
pctleft = (n_args > 6) ? p[6] : 0.5;
if (dur < 0.0)
dur = -dur - inskip;
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels()) {
return die("TRANSBEND", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
}
pitchtable = floc(pgen);
if (pitchtable) {
int plen = fsize(pgen);
float isum = 0;
for (int loc = 0; loc < plen; loc++) {
float pch = pitchtable[loc];
isum += octpch(pch);
}
interval = isum / plen;
#ifdef DEBUG
printf("average interval: %g\n", interval);
#endif
tableset(SR, dur, plen, ptabs);
}
else {
die("TRANSBEND", "Unable to load pitch curve (table %d)!", pgen);
return(DONT_SCHEDULE);
}
averageInc = (double) cpsoct(10.0 + interval) / cpsoct(10.0);
#ifdef NOTYET
total_indur = (float) m_DUR(NULL, 0);
dur_to_read = dur * averageInc;
if (inskip + dur_to_read > total_indur) {
warn("TRANSBEND", "This note will read off the end of the input file.\n"
"You might not get the envelope decay you "
"expect from setline.\nReduce output duration.");
/* no exit() */
}
#endif
/* total number of frames to read during life of inst */
in_frames_left = (int) (nSamps() * averageInc + 0.5);
/* to trigger first read in run() */
inframe = RTBUFSAMPS;
amptable = floc(1);
if (amptable) {
int amplen = fsize(1);
tableset(SR, dur, amplen, tabs);
}
else
rtcmix_advise("TRANSBEND", "Setting phrase curve to all 1's.");
skip = (int) (SR / (float) resetval);
return nSamps();
}
int FREEVERB :: init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
roomsize = p[4];
predelay_time = p[5];
ringdur = p[6];
damp = p[7];
dry = p[8];
wet = p[9];
width = p[10];
// Keep reverb comb feedback <= 1.0
max_roomsize = (1.0 - offsetroom) / scaleroom;
if (roomsize < 0.0)
return die("FREEVERB", "Room size must be between 0 and %g.",
max_roomsize);
if (roomsize > max_roomsize) {
roomsize = max_roomsize;
rtcmix_advise("FREEVERB", "Room size cannot be greater than %g. Adjusting...",
max_roomsize);
}
int predelay_samps = (int) ((predelay_time * SR) + 0.5);
if (predelay_samps > max_predelay_samps)
return die("FREEVERB", "Pre-delay must be between 0 and %g seconds.",
(float) max_predelay_samps / SR);
if (damp < 0.0 || damp > 100.0)
return die("FREEVERB", "Damp must be between 0 and 100%%.");
if (dry < 0.0 || dry > 100.0)
return die("FREEVERB", "Dry signal level must be between 0 and 100%%.");
if (wet < 0.0 || wet > 100.0)
return die("FREEVERB", "Wet signal level must be between 0 and 100%%.");
if (width < 0.0 || width > 100.0)
return die("FREEVERB", "Width must be between 0 and 100%%.");
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
insamps = (int) (dur * SR);
if (inputChannels() > 2)
return die("FREEVERB", "Can't have more than 2 input channels.");
if (outputChannels() > 2)
return die("FREEVERB", "Can't have more than 2 output channels.");
rvb = new revmodel();
rvb->setroomsize(roomsize);
rvb->setpredelay(predelay_samps);
rvb->setdamp(damp * 0.01);
rvb->setdry(dry * 0.01);
rvb->setwet(wet * 0.01);
rvb->setwidth(width * 0.01);
amparray = floc(1);
if (amparray) {
int lenamp = fsize(1);
tableset(SR, dur, lenamp, amptabs);
}
return nSamps();
}
/* ----------------------------------------------------------------- init --- */
int MROOM::init(double p[], int n_args)
{
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
ovamp = p[3];
xdim = p[4];
ydim = p[5];
float rvbtime = p[6];
reflect = p[7];
innerwidth = p[8];
inchan = n_args > 9 ? (int)p[9] : AVERAGE_CHANS;
int quant = n_args > 10 ? (int)p[10] : DEFAULT_QUANTIZATION;
if (outputchans != 2)
return die("MROOM", "Requires stereo output.");
float ringdur = (rvbtime > MAX_DELAY) ? rvbtime : MAX_DELAY;
if (rtsetoutput(outskip, dur + ringdur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
insamps = (int)(dur * SR + 0.5);
if (inchan >= inputChannels())
return die("MROOM",
"You asked for channel %d of a %d-channel input file.",
inchan, inputChannels());
if (inputChannels() == 1)
inchan = 0;
// ***FIXME: input validation for trajectory points?
int ntimes = get_timeset(timepts, xvals, yvals);
if (ntimes == 0)
return die("MROOM", "Must have at least two timeset calls before MROOM.");
traject(ntimes);
tableset(SR, dur, POS_ARRAY_SIZE, xpostabs);
tableset(SR, dur, POS_ARRAY_SIZE, ypostabs);
int delsamps = (int)(MAX_DELAY * SR + 0.5);
delayline = new float[delsamps];
delset(SR, delayline, deltabs, MAX_DELAY);
/* Array dimensions taken from lib/rvbset.c (+ 2 extra for caution). */
int rvbsamps = (int)((0.1583 * SR) + 18 + 2);
rvbarrayl = new float[rvbsamps];
rvbarrayr = new float[rvbsamps];
rvbset(SR, rvbtime, 0, rvbarrayl);
rvbset(SR, rvbtime, 0, rvbarrayr);
amparray = floc(1);
if (amparray) {
int amplen = fsize(1);
tableset(SR, dur, amplen, amptabs);
}
else
rtcmix_advise("MROOM", "Setting phrase curve to all 1's.");
aamp = ovamp; /* in case amparray == NULL */
skip = (int)(SR / (float)resetval);
quantskip = (int)(SR / (float)quant);
return nSamps();
}