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fix edge sample value (-1 and +1) overflow

This commit is contained in:
faiface 2017-07-06 23:36:18 +02:00
parent 5d3f082240
commit f47736b7cb
1 changed files with 1 additions and 1 deletions
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2
audio/speaker/speaker.go
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@ -84,7 +84,7 @@ func Update() error {
if val > +1 { if val > +1 {
val = +1 val = +1
} }
valInt16 := int16(val * (1 << 15)) valInt16 := int16(val * (1<<15 - 1))
low := byte(valInt16 % (1 << 8)) low := byte(valInt16 % (1 << 8))
high := byte(valInt16 / (1 << 8)) high := byte(valInt16 / (1 << 8))
buf[i*4+c*2+0] = low buf[i*4+c*2+0] = low