go-tta/codec.go
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Go

package tta
import (
"git.gammaspectra.live/S.O.N.G/go-tta/filter"
)
type Info struct {
Format uint32 // audio format
Nch uint32 // number of channels
Bps uint32 // bits per sample
Sps uint32 // samplerate (sps)
Samples uint32 // data length in samples
}
type adapter struct {
k0 uint32
k1 uint32
sum0 uint32
sum1 uint32
}
func (a *adapter) init(k0, k1 uint32) {
a.k0 = k0
a.k1 = k1
a.sum0 = shift16[k0]
a.sum1 = shift16[k1]
}
type codec struct {
filter *filter.Filter
adapter adapter
prev int32
}
type Callback func(uint32, uint32, uint32)