aac

package

v1.8.5 Latest Latest Go to latest Published: Jan 1, 2024 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/AlexxIT/go2rtc

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Open Source Insights

README ¶

AAC-LD and AAC-ELD

Codec	Rate	QuickTime	ffmpeg	VLC
AAC-LD	8000	yes	no	no
AAC-LD	16000	yes	no	no
AAC-LD	22050	yes	yes	no
AAC-LD	24000	yes	yes	no
AAC-LD	32000	yes	yes	no
AAC-ELD	8000	yes	no	no
AAC-ELD	16000	yes	no	no
AAC-ELD	22050	yes	yes	yes
AAC-ELD	24000	yes	yes	yes
AAC-ELD	32000	yes	yes	yes

Useful links

Documentation ¶

Index ¶

Constants
func ADTSTimeSize(b []byte) uint32
func ADTSToCodec(b []byte) *core.Codec
func ADTStoRTP(src []byte) (dst []byte)
func CodecToADTS(codec *core.Codec) []byte
func ConfigToCodec(conf []byte) *core.Codec
func DecodeConfig(b []byte) (objType, sampleFreqIdx, channels byte, sampleRate uint32)
func EncodeConfig(objType byte, sampleRate uint32, channels byte, shortFrame bool) []byte
func EncodeToADTS(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc
func IsADTS(b []byte) bool
func RTPDepay(handler core.HandlerFunc) core.HandlerFunc
func RTPPay(handler core.HandlerFunc) core.HandlerFunc
func RTPTimeSize(b []byte) uint32
func RTPToADTS(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc
func RTPToCodec(b []byte) *core.Codec
func ReadADTSSize(b []byte) uint16
func WriteADTSSize(b []byte, size uint16)
type Consumer
- func NewConsumer() *Consumer
- func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiver) error
- func (c *Consumer) Stop() error
- func (c *Consumer) WriteTo(wr io.Writer) (int64, error)
type Producer
- func Open(r io.Reader) (*Producer, error)
- func (c *Producer) Start() error
- func (c *Producer) Stop() error

Constants ¶

View Source

const (
	TypeAACMain = 1
	TypeAACLC   = 2  // Low Complexity
	TypeAACLD   = 23 // Low Delay (48000, 44100, 32000, 24000, 22050)
	TypeESCAPE  = 31
	TypeAACELD  = 39 // Enhanced Low Delay

	AUTime = 1024

	// FMTP streamtype=5 - audio stream
	FMTP = "streamtype=5;profile-level-id=1;mode=AAC-hbr;sizelength=13;indexlength=3;indexdeltalength=3;config="
)

View Source

const ADTSHeaderSize = 7

View Source

const RTPPacketVersionAAC = 0

Variables ¶

This section is empty.

Functions ¶

func ADTSTimeSize ¶ added in v1.7.0

func ADTSTimeSize(b []byte) uint32

func ADTSToCodec ¶ added in v1.7.0

func ADTSToCodec(b []byte) *core.Codec

func ADTStoRTP ¶ added in v1.7.0

func ADTStoRTP(src []byte) (dst []byte)

func CodecToADTS ¶ added in v1.7.0

func CodecToADTS(codec *core.Codec) []byte

func ConfigToCodec ¶ added in v1.7.0

func ConfigToCodec(conf []byte) *core.Codec

func DecodeConfig ¶ added in v1.7.0

func DecodeConfig(b []byte) (objType, sampleFreqIdx, channels byte, sampleRate uint32)

func EncodeConfig ¶ added in v1.7.0

func EncodeConfig(objType byte, sampleRate uint32, channels byte, shortFrame bool) []byte

func EncodeToADTS ¶ added in v1.7.0

func EncodeToADTS(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc

func IsADTS ¶ added in v1.1.0

func IsADTS(b []byte) bool

func RTPDepay ¶

func RTPDepay(handler core.HandlerFunc) core.HandlerFunc

func RTPPay ¶

func RTPPay(handler core.HandlerFunc) core.HandlerFunc

func RTPTimeSize ¶ added in v1.7.0

func RTPTimeSize(b []byte) uint32

func RTPToADTS ¶ added in v1.7.0

func RTPToADTS(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc

func RTPToCodec ¶ added in v1.7.0

func RTPToCodec(b []byte) *core.Codec

func ReadADTSSize ¶ added in v1.7.0

func ReadADTSSize(b []byte) uint16

func WriteADTSSize ¶ added in v1.7.0

func WriteADTSSize(b []byte, size uint16)

Types ¶

type Consumer ¶ added in v1.7.0

type Consumer struct {
	core.SuperConsumer
	// contains filtered or unexported fields
}

func NewConsumer ¶ added in v1.7.0

func NewConsumer() *Consumer

func (*Consumer) AddTrack ¶ added in v1.7.0

func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiver) error

func (*Consumer) Stop ¶ added in v1.7.0

func (c *Consumer) Stop() error

func (*Consumer) WriteTo ¶ added in v1.7.0

func (c *Consumer) WriteTo(wr io.Writer) (int64, error)

type Producer ¶ added in v1.8.4

type Producer struct {
	core.SuperProducer
	// contains filtered or unexported fields
}

func Open ¶ added in v1.8.4

func Open(r io.Reader) (*Producer, error)

func (*Producer) Start ¶ added in v1.8.4

func (c *Producer) Start() error

func (*Producer) Stop ¶ added in v1.8.4

func (c *Producer) Stop() error

Source Files ¶

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