maybe a very tiny bit faster
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
const DELEM *src = (const DELEM*)srcs->ch[ch];
DELEM *dst = (DELEM*)dsts->ch[ch];
float *ns_errors = s->dither.ns_errors[ch];
const DELEM *src = (const DELEM*)srcs->ch[ch];
DELEM *dst = (DELEM*)dsts->ch[ch];
float *ns_errors = s->dither.ns_errors[ch];
+ const float *ns_coeffs = s->dither.ns_coeffs;
pos = s->dither.ns_pos;
for (i=0; i<count; i++) {
double d1, d = src[i]*S_1;
for(j=0; j<taps; j++)
pos = s->dither.ns_pos;
for (i=0; i<count; i++) {
double d1, d = src[i]*S_1;
for(j=0; j<taps; j++)
- d -= s->dither.ns_coeffs[j] * ns_errors[pos + j];
+ d -= ns_coeffs[j] * ns_errors[pos + j];
pos = pos ? pos - 1 : taps - 1;
d1 = rint(d + noise[i]);
ns_errors[pos + taps] = ns_errors[pos] = d1 - d;
pos = pos ? pos - 1 : taps - 1;
d1 = rint(d + noise[i]);
ns_errors[pos + taps] = ns_errors[pos] = d1 - d;