-TimeFilter *ff_timefilter_new(double clock_period,
- double feedback2_factor,
- double feedback3_factor)
+/* 1 - exp(-x) using a 3-order power series */
+static double qexpneg(double x)
+{
+ return 1 - 1 / (1 + x * (1 + x / 2 * (1 + x / 3)));
+}
+
+TimeFilter *ff_timefilter_new(double time_base,
+ double period,
+ double bandwidth)