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opt: reject denominator zero as out of range
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
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@ -97,7 +97,7 @@ static int read_number(const AVOption *o, const void *dst, double *num, int *den
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static int write_number(void *obj, const AVOption *o, void *dst, double num, int den, int64_t intnum)
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{
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if (o->type != AV_OPT_TYPE_FLAGS &&
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(o->max * den < num * intnum || o->min * den > num * intnum)) {
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(!den || o->max * den < num * intnum || o->min * den > num * intnum)) {
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num = den ? num * intnum / den : (num * intnum ? INFINITY : NAN);
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av_log(obj, AV_LOG_ERROR, "Value %f for parameter '%s' out of range [%g - %g]\n",
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num, o->name, o->min, o->max);
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