pa_assert(s);
pa_assert(y);
- if (!s->smoothing || x >= s->px) {
+ if (x >= s->px) {
+ /* Linear interpolation right from px */
int64_t t;
/* The requested point is right of the point where we wanted
if (deriv)
*deriv = s->dp;
+ } else if (x <= s->ex) {
+ /* Linear interpolation left from ex */
+ int64_t t;
+
+ t = (int64_t) s->ey - (int64_t) llrint(s->de * (double) (s->ex - x));
+
+ if (t < 0)
+ t = 0;
+
+ *y = (pa_usec_t) t;
+
+ if (deriv)
+ *deriv = s->de;
+
} else {
+ /* Spline interpolation between ex and px */
double tx, ty;
/* Ok, we're not yet on track, thus let's interpolate, and