rtpaac

package
v0.0.0-...-cd0575f Latest Latest
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Published: Oct 5, 2022 License: MIT Imports: 7 Imported by: 0

Documentation

Overview

Package rtpaac contains a RTP/AAC decoder and encoder.

Index

Constants

This section is empty.

Variables

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

ErrMorePacketsNeeded is returned when more packets are needed.

Functions

This section is empty.

Types

type Decoder

type Decoder struct {
	// sample rate of input packets.
	SampleRate int
	// contains filtered or unexported fields
}

Decoder is a RTP/AAC decoder.

func (*Decoder) Decode

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

Decode decodes AUs from a RTP/AAC packet. It returns the AUs and the PTS of the first AU. The PTS of subsequent AUs can be calculated by adding time.Second*1000/clockRate.

func (*Decoder) Init

func (d *Decoder) Init()

Init initializes the decoder

type Encoder

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

	// sample rate of packets.
	SampleRate int

	// SSRC of packets (optional).
	SSRC *uint32

	// initial sequence number of packets (optional).
	InitialSequenceNumber *uint16

	// initial timestamp of packets (optional).
	InitialTimestamp *uint32

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

Encoder is a RTP/AAC encoder.

func (*Encoder) Encode

func (e *Encoder) Encode(aus [][]byte, firstPTS time.Duration) ([]*rtp.Packet, error)

Encode encodes AUs into RTP/AAC packets.

func (*Encoder) Init

func (e *Encoder) Init()

Init initializes the encoder.

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