diff options
Diffstat (limited to 'libswresample/dither_template.c')
-rw-r--r-- | libswresample/dither_template.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libswresample/dither_template.c b/libswresample/dither_template.c index ffa5bdd664..3388aadc56 100644 --- a/libswresample/dither_template.c +++ b/libswresample/dither_template.c @@ -34,12 +34,13 @@ void RENAME(swri_noise_shaping)(SwrContext *s, AudioData *srcs, AudioData *noise DELEM *data = (DELEM*)srcs->ch[ch]; pos = s->dither.ns_pos; for (i=0; i<count; i++) { - double d1, d = data[i]; + double d1, d = data[i]*S_1; for(j=0; j<taps; j++) d -= s->dither.ns_coeffs[j] * s->dither.ns_errors[ch][pos + j]; pos = pos ? pos - 1 : pos - 1 + taps; - d1 = rint((d + noise[i]) * S_1)*S; + d1 = rint(d + noise[i]); s->dither.ns_errors[ch][pos + taps] = s->dither.ns_errors[ch][pos] = d1 - d; + d1 *= S; CLIP(d1); data[i] = d1; } |