int ff_celp_lp_synthesis_filter(int16_t *out, const int16_t *filter_coeffs,
const int16_t *in, int buffer_length,
int filter_length, int stop_on_overflow,
- int rounder)
+ int shift, int rounder)
{
int i,n;
for (i = 1; i <= filter_length; i++)
sum -= filter_coeffs[i-1] * out[n-i];
- sum = (sum >> 12) + in[n];
+ sum = ((sum >> 12) + in[n]) >> shift;
if (sum + 0x8000 > 0xFFFFU) {
if (stop_on_overflow)