From 24e6729a049e476414ed677b97950421ab86c673 Mon Sep 17 00:00:00 2001
From: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Date: Sun, 23 Aug 2015 16:31:12 -0400
Subject: [PATCH] swresample/dither: use integer arithmetic
This fixes a -Wabsolute-value reported by clang 3.5+ complaining about misuse of fabs() for integer absolute value.
An additional benefit is the removal of floating point calculations.
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libswresample/dither.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libswresample/dither.c b/libswresample/dither.c
index 248062aab8c..08c793d4cf8 100644
--- a/libswresample/dither.c
+++ b/libswresample/dither.c
@@ -109,7 +109,7 @@ av_cold int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AV
memset(s->dither.ns_errors, 0, sizeof(s->dither.ns_errors));
for (i=0; filters[i].coefs; i++) {
const filter_t *f = &filters[i];
- if (fabs(s->out_sample_rate - f->rate) / f->rate <= .05 && f->name == s->dither.method) {
+ if (llabs(s->out_sample_rate - f->rate)*20 <= f->rate && f->name == s->dither.method) {
int j;
s->dither.ns_taps = f->len;
for (j=0; j<f->len; j++)
--
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