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avfilter/vf_idet: fix rounding of av_dict_set_fxp()

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fixes the remainder overflowing beyond .999

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-11-03 17:14:29 +01:00
parent fe6f5f2908
commit 5d590d87b3
1 changed files with 6 additions and 1 deletions
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7
libavfilter/vf_idet.c
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@ -62,8 +62,13 @@ static int av_dict_set_fxp(AVDictionary **pm, const char *key, uint64_t value, u
int flags)
{
char valuestr[44];
uint64_t print_precision = uintpow(10, digits);
value = av_rescale(value, print_precision, PRECISION);
snprintf(valuestr, sizeof(valuestr), "%"PRId64".%0*"PRId64,
value / PRECISION, digits, ( value % PRECISION ) / ( PRECISION / uintpow(10,digits) ));
value / print_precision, digits, value % print_precision);
return av_dict_set(pm, key, valuestr, flags);
}