From ef7fdc8cff2c5cabd51eb4a47e6fc92f885b7352 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 12 Jan 2013 17:34:21 +0100 Subject: [PATCH] swr: use a local variable for ns_coeffs maybe a very tiny bit faster Signed-off-by: Michael Niedermayer --- libswresample/dither_template.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libswresample/dither_template.c b/libswresample/dither_template.c index 88d3260fc5..8cf0c57681 100644 --- a/libswresample/dither_template.c +++ b/libswresample/dither_template.c @@ -34,11 +34,12 @@ void RENAME(swri_noise_shaping)(SwrContext *s, AudioData *dsts, const AudioData 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; idither.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;