}
}
+void ff_celp_circ_addf(float *out, const float *in,
+ const float *lagged, int lag, float fac, int n)
+{
+ int k;
+ for (k = 0; k < lag; k++)
+ out[k] = in[k] + fac * lagged[n + k - lag];
+ for (; k < n; k++)
+ out[k] = in[k] + fac * lagged[ k - lag];
+}
+
int ff_celp_lp_synthesis_filter(int16_t *out,
const int16_t* filter_coeffs,
const int16_t* in,
const int16_t* filter,
int len);
+/**
+ * Add an array to a rotated array.
+ *
+ * out[k] = in[k] + fac * lagged[k-lag] with wrap-around
+ *
+ * @param out result vector
+ * @param in samples to be added unfiltered
+ * @param lagged samples to be rotated, multiplied and added
+ * @param lag lagged vector delay in the range [0, n]
+ * @param fac scalefactor for lagged samples
+ * @param n number of samples
+ */
+void ff_celp_circ_addf(float *out, const float *in,
+ const float *lagged, int lag, float fac, int n);
+
/**
* LP synthesis filter.
* @param out [out] pointer to output buffer