MLDSPContext::MLDSPContext() :
mEnabled(false),
mpRootContext(nullptr)
{
mVectorSize = 0;
mSampleRate = kToBeCalculated;
mInvSampleRate = 1.f;
mNullInput.setToConstant(0.f);
mResampleRatio = MLRatio(1, 1);
mResampleUpOrder = 0;
mResampleDownOrder = 0;
}
// if the floating-point input is near a low whole-number ratio, return the ratio, else return the null MLRatio.
inline MLRatio correctRatio(float rIn)
{
const int kMaxRatio = 8;
MLRatio r(0, 0);
for(int a=1; a<=kMaxRatio; ++a)
{
for(int b=1; b<=4; ++b)
{
if (fabs(rIn - ((float)a/(float)b)) < 0.001f)
{
return MLRatio(a, b);
}
}
}
return r;
}