encoder

package

v1.3.0 Latest Latest Go to latest Published: Jun 8, 2026 License: MIT Imports: 4 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/LingByte/lingllm

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Documentation ¶

Index ¶

Constants
func CreateDecode(src, pcm media.CodecConfig) (decode media.EncoderFunc, err error)
func CreateEncode(src, pcm media.CodecConfig) (encode media.EncoderFunc, err error)
func DecodePCMA(alawData []byte) ([]byte, error)
func DecodePCMU(ulawData []byte) ([]byte, error)
func EncodePCMA(pcmData []byte) ([]byte, error)
func HasCodec(name string) bool
func Pcm2pcma(pcmData []byte) ([]byte, error)
func PcmToPcm(src, pcm media.CodecConfig) media.EncoderFunc
func RegisterCodec(name string, encoderFactory, decoderFactory CodecFactory)
func StripWavHeader(data []byte) []byte
type CodecFactory
type G722Band0
type G722Band1
type G722Band2
type G722Decoder
- func NewG722Decoder(rate, mode int) *G722Decoder
- func (d *G722Decoder) Decode(g722Data []byte) []byte
type G722Encoder
- func NewG722Encoder(rate, mode int) *G722Encoder
- func (e *G722Encoder) Encode(pcmData []byte) []byte

Constants ¶

View Source

const (
	G722_RATE_DEFAULT = 64000
	G722_DEFAULT      = 0
)

G.722 constants

View Source

const (
	CodecPCM  = "pcm"
	CodecPCMU = "pcmu"
	CodecPCMA = "pcma"
	CodecG722 = "g722"
	CodecOPUS = "opus"
)

Variables ¶

This section is empty.

Functions ¶

func CreateDecode ¶

func CreateDecode(src, pcm media.CodecConfig) (decode media.EncoderFunc, err error)

BuildDecoder creates a decoder function for the specified codec

func CreateEncode ¶

func CreateEncode(src, pcm media.CodecConfig) (encode media.EncoderFunc, err error)

BuildEncoder creates an encoder function for the specified codec

func DecodePCMA ¶ added in v1.3.0

func DecodePCMA(alawData []byte) ([]byte, error)

DecodePCMA decodes G.711 A-law RTP payloads to 16-bit little-endian PCM mono.

func DecodePCMU ¶ added in v1.3.0

func DecodePCMU(ulawData []byte) ([]byte, error)

DecodePCMU decodes G.711 μ-law RTP payloads to 16-bit little-endian PCM mono.

func EncodePCMA ¶

func EncodePCMA(pcmData []byte) ([]byte, error)

convertPCMToALaw converts PCM data to A-law encoding EncodePCMA encodes PCM data to PCMA format

func HasCodec ¶

func HasCodec(name string) bool

IsCodecSupported checks if a codec is registered

func Pcm2pcma ¶

func Pcm2pcma(pcmData []byte) ([]byte, error)

func PcmToPcm ¶

func PcmToPcm(src, pcm media.CodecConfig) media.EncoderFunc

func RegisterCodec ¶

func RegisterCodec(name string, encoderFactory, decoderFactory CodecFactory)

RegisterCodec registers a codec with encoder and decoder factories

func StripWavHeader ¶

func StripWavHeader(data []byte) []byte

RemoveWavHeader removes WAV file header if present

Types ¶

type CodecFactory ¶

type CodecFactory func(src, pcm media.CodecConfig) media.EncoderFunc

CodecFactory defines function type for creating codec encoders/decoders

type G722Band0 ¶

type G722Band0 struct {
	// contains filtered or unexported fields
}

G.722 band structures

type G722Band1 ¶

type G722Band1 struct {
	// contains filtered or unexported fields
}

type G722Band2 ¶

type G722Band2 struct {
	// contains filtered or unexported fields
}

type G722Decoder ¶

type G722Decoder struct {
	// contains filtered or unexported fields
}

G722Decoder G.722 decoder

func NewG722Decoder ¶

func NewG722Decoder(rate, mode int) *G722Decoder

NewG722Decoder creates new G.722 decoder

func (*G722Decoder) Decode ¶

func (d *G722Decoder) Decode(g722Data []byte) []byte

type G722Encoder ¶

type G722Encoder struct {
	// contains filtered or unexported fields
}

G722Encoder G.722 encoder

func NewG722Encoder ¶

func NewG722Encoder(rate, mode int) *G722Encoder

NewG722Encoder creates new G.722 encoder

func (*G722Encoder) Encode ¶

func (e *G722Encoder) Encode(pcmData []byte) []byte

Source Files ¶

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