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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>
This commit is contained in:
Ganesh Ajjanagadde 2015-08-23 16:31:12 -04:00 committed by Michael Niedermayer
parent 9aaac04107
commit 24e6729a04
1 changed files with 1 additions and 1 deletions
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2
libswresample/dither.c
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@ -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++)