#include "audio.h"
#include "avfilter.h"
#include "formats.h"
+#include "hermite.h"
#include "internal.h"
typedef struct SidechainCompressContext {
return 0;
}
-static inline double hermite_interpolation(double x, double x0, double x1,
- double p0, double p1,
- double m0, double m1)
-{
- double width = x1 - x0;
- double t = (x - x0) / width;
- double t2, t3;
- double ct0, ct1, ct2, ct3;
-
- m0 *= width;
- m1 *= width;
-
- t2 = t*t;
- t3 = t2*t;
- ct0 = p0;
- ct1 = m0;
-
- ct2 = -3 * p0 - 2 * m0 + 3 * p1 - m1;
- ct3 = 2 * p0 + m0 - 2 * p1 + m1;
-
- return ct3 * t3 + ct2 * t2 + ct1 * t + ct0;
-}
-
// A fake infinity value (because real infinity may break some hosts)
#define FAKE_INFINITY (65536.0 * 65536.0)