void MLProcDelayOutput::process(const int frames)
{
const MLSignal& delayTime = getInput(1);
MLSignal& y = getOutput();
int delayInt;
const float sr = getContextSampleRate();
MLSample delay;
int delayedIndex;
if (mParamsChanged) doParams();
if(mpDelayInputProc)
{
MLSignal& buffer = mpDelayInputProc->getBuffer();
if (delayTime.isConstant())
{
delay = delayTime[0] * sr - mVectorDelay;
if (delay < mVectorDelay) delay = mVectorDelay;
delayInt = (int)(delay);
for (int n=0; n<frames; ++n)
{
delayedIndex = mReadIndex - delayInt;
delayedIndex &= mLengthMask;
y[n] = buffer[delayedIndex];
mReadIndex++;
}
}
else
{
for (int n=0; n<frames; ++n)
{
// read
// zero order (integer delay)
// get delay time.
// if no signal is attached, 0. should result
// and we get a single-vector delay.
delay = delayTime[n] * sr - mVectorDelay;
if (delay < mVectorDelay) delay = mVectorDelay;
delayInt = (int)(delay);
delayedIndex = mReadIndex - delayInt;
delayedIndex &= mLengthMask;
y[n] = buffer[delayedIndex];
mReadIndex++;
}
}
}
// linear interp:
//y[n] = frac*x[m+1] + (1-frac)*x[m]
// allpass interp:
// y[n] = x[m+1] + (1-frac)*x[m] - (1-frac)*y[n-1]
}
void MLProcDebug::process(const int frames)
{
const int intervalSeconds = 2;
const int intervalFrames = getContextSampleRate() * intervalSeconds;
if (mParamsChanged) doParams();
mTemp += frames;
if (mTemp > intervalFrames)
{
const MLSignal& in = getInput(1);
debug() << std::setw(6);
debug() << std::setprecision(2);
debug() << "sig " << getName() << " (" << static_cast<const void *>(&in) << "), n=" << frames << " = " << std::setprecision(4) << in[0] ;
if(in.isConstant())
{
debug() << "(const)";
}
else
{
debug() << " min:" << in.getMin() << ", max:" << in.getMax();
}
debug() << "\n";
mTemp -= intervalFrames;
if (mVerbose)
{
debug() << frames << " frames\n";
debug() << "[";
debug() << std::setw(6);
debug() << std::setprecision(2);
for(int j=0; j<frames; ++j)
{
debug() << in[j] << " " ;
if ((j%8 == 7) && (j < frames-1)) debug() << "\n";
}
debug() << "]\n\n";
}
}
}
void MLProcRingBuffer::process(const int frames)
{
int written;
const MLSignal& x = getInput(1);
// build if needed
if (mParamsChanged) doParams();
if (mRing.getBuffer())
{
if (x.isConstant())
{
written = (int)PaUtil_WriteRingBufferConstant( &mBuf, x[0], frames );
}
else
{
written = (int)PaUtil_WriteRingBuffer(&mBuf, (void *)x.getConstBuffer(), frames );
}
// debug() << "wrote " << written << " from " << (void *)x.getConstBuffer() << "\n";
}
}
static PyObject *
sv_SetParam(PyObject *self, PyObject *args)
{
return doParams(self, args, svSetParam, 0);
}
static PyObject *
sv_GetParamRange(PyObject *self, PyObject *args)
{
return doParams(self, args, svGetParamRange, 1);
}
MLProc::err MLProcDelayOutput::resize()
{
err e = OK;
doParams();
return e;
}
