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mumbledj/vendor/github.com/layeh/gumble/opus/opus.go

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package opus
import (
"github.com/layeh/gopus"
"github.com/layeh/gumble/gumble"
)
var Codec gumble.AudioCodec
const ID = 4
func init() {
Codec = &generator{}
gumble.RegisterAudioCodec(4, Codec)
}
// generator
type generator struct {
}
func (*generator) ID() int {
return ID
}
func (*generator) NewEncoder() gumble.AudioEncoder {
e, _ := gopus.NewEncoder(gumble.AudioSampleRate, gumble.AudioChannels, gopus.Voip)
e.SetBitrate(gopus.BitrateMaximum)
return &Encoder{
e,
}
}
func (*generator) NewDecoder() gumble.AudioDecoder {
d, _ := gopus.NewDecoder(gumble.AudioSampleRate, gumble.AudioChannels)
return &Decoder{
d,
}
}
// encoder
type Encoder struct {
*gopus.Encoder
}
func (*Encoder) ID() int {
return ID
}
func (e *Encoder) Encode(pcm []int16, mframeSize, maxDataBytes int) ([]byte, error) {
return e.Encoder.Encode(pcm, mframeSize, maxDataBytes)
}
func (e *Encoder) Reset() {
e.Encoder.ResetState()
}
// decoder
type Decoder struct {
*gopus.Decoder
}
func (*Decoder) ID() int {
return 4
}
func (d *Decoder) Decode(data []byte, frameSize int) ([]int16, error) {
return d.Decoder.Decode(data, frameSize, false)
}
func (d *Decoder) Reset() {
d.Decoder.ResetState()
}