opus

package
v0.0.2 Latest Latest
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 Go to latest Published: Mar 13, 2024 License: MIT, BSD-3-Clause Imports: 11 Imported by: 1

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Constants

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Variables

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Functions

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Types

type Latency 

type Latency time.Duration

Latency is a type of OPUS codec frame duration. 

const (
	Latency2500us Latency = Latency(2500 * time.Microsecond)
	Latency5ms    Latency = Latency(5 * time.Millisecond)
	Latency10ms   Latency = Latency(10 * time.Millisecond)
	Latency20ms   Latency = Latency(20 * time.Millisecond)
	Latency40ms   Latency = Latency(40 * time.Millisecond)
	Latency60ms   Latency = Latency(60 * time.Millisecond)
)

Latency values available in OPUS codec.

func (Latency) Duration 

func (l Latency) Duration() time.Duration

Duration returns latency in time.Duration.

func (Latency) Validate 

func (l Latency) Validate() bool

Validate that the Latency is allowed in OPUS.

type Params 

type Params struct {
	codec.BaseParams
	// ChannelMixer is a mixer to be used if number of given and expected channels differ.
	ChannelMixer mixer.ChannelMixer

	// Expected latency of the codec.
	Latency Latency
}

Params stores opus specific encoding parameters.

func NewParams 

func NewParams() (Params, error)

NewParams returns default opus codec specific parameters.

func (*Params) BuildAudioEncoder 

func (p *Params) BuildAudioEncoder(r audio.Reader, property prop.Media) (codec.ReadCloser, error)

BuildAudioEncoder builds opus encoder with given params

func (*Params) RTPCodec 

func (p *Params) RTPCodec() *codec.RTPCodec

RTPCodec represents the codec metadata

Source Files

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