int LOOP::doupdate()
{
double p[9];
update(p, 9);
_amp = p[3];
_incr = getIncrement(p[4]);
_pan = _usesPan ? p[8] : 0.5;
return calculateLoop(p);
}
int main()
{
try
{
calculateLoop();
return 0;
}
catch (exception &ex) {
cerr << ex.what() << endl;
return 1;
}
catch (...) {
cerr << "Some exception occurred" << endl;
return 2;
}
}
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();
}