public float GetFilteredValue(long t)
{
float vout;
float vin = GetValue(t);
if (lastp_set == 0)
{
vout = vin;
}
else if (t - lastp.t == 0)
{
vout = lastp.v;
}
else
{
float k = Mathf.Exp(-(float)(t - lastp.t) / par.maxvel);
vout = k * lastp.v + (1 - k) * vin;
if (vout < VERYSMALL)
{
vout = 0.0f;
}
}
lastp = new LipSyncData.Point(t, vout);
lastp_set = 1;
return(vout);
}
public static float GetPoint(List <LipSyncData.Point> list, float t)
{
if (list.Count == 0)
{
return(0.0f);
}
LipSyncData.Point first = list[0];
// make a local copy of the elements to vector a
// first check if we need to add elements at the beginning
if (t <= first.t)
{
return(first.v);
}
// copy rest of the elements
List <LipSyncData.Point> a = new List <LipSyncData.Point>(list);
if (list.Count > 1 && t < list[1].t)
{
a.Insert(0, new LipSyncData.Point(first.t - 1, first.v));
}
// find interval where t fits
int ii = 0;
for (int j = 0; j < a.Count; j++)
{
if (a[j].t > t)
{
ii = j;
break;
}
// we're off the end, return last value
if (j == a.Count - 1)
{
return(a[a.Count - 1].v);
}
}
// one before the end, add one point
if (ii == a.Count - 1)
{
a.Add(new LipSyncData.Point(a[a.Count - 1].t + 1, a[a.Count - 1].v));
}
LipSyncData.Point p = a[ii];
if (a[ii - 1].t == p.t)
{
return(0.5f * (a[ii - 1].v * p.v));
}
float x = (float)(t - a[ii - 1].t) / (p.t - a[ii - 1].t);
t = 0.0f;
for (int j = ii - 2; j < ii + 2; j++)
{
t += a[j].v * blendfunc_cmr(j - ii, x);
}
return(t);
}