dash

README

DASH

• https://wikipedia.org/wiki/Dynamic_Adaptive_Streaming_over_HTTP
• https://stackoverflow.com/questions/27169759/how-to-decrypt-and-play-cenc
• https://w3.org/TR/eme-stream-mp4

Documentation

Index

• Constants
• func Decrypt(w io.Writer, r io.Reader, key []byte) error
• type Adaptation
• type AdaptationSet
  • func NewAdaptationSet(body io.Reader) (AdaptationSet, error)
  • func (a AdaptationSet) MimeType(typ string) AdaptationSet
  • func (a AdaptationSet) Represent(bandwidth int64) *Represent
• type Represent
  • func (r Represent) Initialization(base *url.URL) (*url.URL, error)
  • func (r Represent) Media(base *url.URL) ([]*url.URL, error)
  • func (r Represent) String() string
• type Segment
• type Template

Constants

const (
	Audio = "audio/mp4"
	Video = "video/mp4"
)

Functions

func Decrypt

func Decrypt(w io.Writer, r io.Reader, key []byte) error

Types

type Adaptation

type Adaptation struct {
	MimeType        string `xml:"mimeType,attr"`
	Representation  []Represent
	SegmentTemplate *Template
}

type AdaptationSet

type AdaptationSet []Adaptation

func NewAdaptationSet

func NewAdaptationSet(body io.Reader) (AdaptationSet, error)

func (AdaptationSet) MimeType

func (a AdaptationSet) MimeType(typ string) AdaptationSet

func (AdaptationSet) Represent

func (a AdaptationSet) Represent(bandwidth int64) *Represent

type Represent

type Represent struct {
	ID              string `xml:"id,attr"`
	Width           int64  `xml:"width,attr"`
	Height          int64  `xml:"height,attr"`
	Bandwidth       int64  `xml:"bandwidth,attr"`
	Codecs          string `xml:"codecs,attr"`
	SegmentTemplate *Template
}

func (Represent) Initialization

func (r Represent) Initialization(base *url.URL) (*url.URL, error)

func (Represent) Media

func (r Represent) Media(base *url.URL) ([]*url.URL, error)

func (Represent) String

func (r Represent) String() string

type Segment

type Segment struct {
	D int `xml:"d,attr"`
	R int `xml:"r,attr"`
	T int `xml:"t,attr"`
}

type Template

type Template struct {
	Initialization  string `xml:"initialization,attr"`
	Media           string `xml:"media,attr"`
	SegmentTimeline struct {
		S []Segment
	}
	StartNumber *int `xml:"startNumber,attr"`
}