rtpac3

package
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Published: Oct 13, 2023 License: MIT Imports: 5 Imported by: 0

Documentation

Overview

Package rtpac3 contains a RTP/AC-3 decoder and encoder.

Index

Constants

This section is empty.

Variables

View Source
var ErrMorePacketsNeeded = errors.New("need more packets")

ErrMorePacketsNeeded is returned when more packets are needed.

View Source
var ErrNonStartingPacketAndNoPrevious = errors.New(
	"received a non-starting fragment without any previous starting fragment")

ErrNonStartingPacketAndNoPrevious is returned when we received a non-starting packet of a fragmented frame and we didn't received anything before. It's normal to receive this when decoding a stream that has been already running for some time.

Functions

This section is empty.

Types

type Decoder

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

Decoder is a AC-3 decoder. Specification: https://datatracker.ietf.org/doc/html/rfc4184

func (*Decoder) Decode

func (d *Decoder) Decode(pkt *rtp.Packet) ([][]byte, error)

Decode decodes frames from a RTP packet. It returns the frames and the PTS of the first frame.

func (*Decoder) Init

func (d *Decoder) Init() error

Init initializes the decoder.

type Encoder

type Encoder struct {
	// payload type of packets.
	PayloadType uint8

	// SSRC of packets (optional).
	// It defaults to a random value.
	SSRC *uint32

	// initial sequence number of packets (optional).
	// It defaults to a random value.
	InitialSequenceNumber *uint16

	// maximum size of packet payloads (optional).
	// It defaults to 1460.
	PayloadMaxSize int
	// contains filtered or unexported fields
}

Encoder is a AC-3 encoder. Specification: https://datatracker.ietf.org/doc/html/rfc4184

func (*Encoder) Encode

func (e *Encoder) Encode(frames [][]byte) ([]*rtp.Packet, error)

Encode encodes frames into RTP packets.

func (*Encoder) Init

func (e *Encoder) Init() error

Init initializes the encoder.

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