dash

README

DASH

• https://chromium.googlesource.com/chromium/src/+/HEAD/media/cdm/cbcs_decryptor.cc
• https://wikipedia.org/wiki/Dynamic_Adaptive_Streaming_over_HTTP
• https://w3.org/TR/eme-stream-mp4

AMC

go run . -b 1011152 -f 9999999 -g 0

key:

a66a5603545ad206c1a78e160a6710b1

https://amcplus.com/shows/orphan-black/episodes/season-1-instinct--1011152

Paramount

go run . -d -b eyT_RYkqNuH_6ZYrepLtxkiPO1HA7dIU -f 9999999 -g 0

key:

44f12639c9c4a5a432338aca92e38920

https://paramountplus.com/shows/video/eyT_RYkqNuH_6ZYrepLtxkiPO1HA7dIU

Roku

go run . -d -b 597a64a4a25c5bf6af4a8c7053049a6f -f 9999999 -g 0

key:

13d7c7cf295444944b627ef0ad2c1b3c

https://therokuchannel.roku.com/watch/597a64a4a25c5bf6af4a8c7053049a6f

Documentation

Index

• func Audio(a Adaptation, r Represent) bool
• func Decrypt(dst io.Writer, src io.Reader, key []byte) error
• func DecryptInit(dst io.Writer, src io.Reader) error
• func Video(a Adaptation, r Represent) bool
• type Adaptation
• type Period
  • func NewPeriod(body io.Reader) (*Period, error)
  • func (p Period) Protection() *Protection
  • func (p Period) Represents(fn PeriodFunc) Represents
• type PeriodFunc
• type Protection
• 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 Represents
  • func (r Represents) Represent(bandwidth int64) *Represent
• type Segment
• type Template

Functions

func Audio

func Audio(a Adaptation, r Represent) bool

func Decrypt

func Decrypt(dst io.Writer, src io.Reader, key []byte) error

func DecryptInit

func DecryptInit(dst io.Writer, src io.Reader) error

Need for Mozilla Firefox and VLC media player

func Video

func Video(a Adaptation, r Represent) bool

Types

type Adaptation

type Adaptation struct {
	ContentProtection *Protection
	Lang              string `xml:"lang,attr"`
	MimeType          string `xml:"mimeType,attr"`
	Representation    []Represent
	Role              *struct {
		Value string `xml:"value,attr"`
	}
	SegmentTemplate *Template
}

type Period

type Period struct {
	AdaptationSet []Adaptation
}

func NewPeriod

func NewPeriod(body io.Reader) (*Period, error)

func (Period) Protection

func (p Period) Protection() *Protection

func (Period) Represents

func (p Period) Represents(fn PeriodFunc) Represents

type PeriodFunc

type PeriodFunc func(Adaptation, Represent) bool

type Protection

type Protection struct {
	Default_KID string `xml:"default_KID,attr"`
}

type Represent

type Represent struct {
	ID                string `xml:"id,attr"` // RepresentationID
	Width             int64  `xml:"width,attr"`
	Height            int64  `xml:"height,attr"`
	Bandwidth         int64  `xml:"bandwidth,attr"` // handle duplicate height
	Codecs            string `xml:"codecs,attr"`    // handle missing height
	MimeType          string `xml:"mimeType,attr"`
	ContentProtection *Protection
	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 Represents

type Represents []Represent

func (Represents) Represent

func (r Represents) Represent(bandwidth int64) *Represent

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"`
}