Class: shaka.util.WebmGenerator

Constructor

new WebmGenerator(streamInfo)

Parameters:
Name Type Description
streamInfo shaka.util.WebmGenerator.StreamInfo
Implements:
Source:

Members

MAX_CLUSTER_TICKS_ :number

How far apart in time the first and the last block of a Cluster may be. The time of a block is a signed 16-bit number of ticks after that of its Cluster, so this leaves room for the difference to be rounded.
Type:
  • number
Source:

UNKNOWN_SIZE_ :Uint8Array

The size that EBML writes to say that an element goes on to the end: 8 bytes, all the bits of the value set.
Type:
  • Uint8Array
Source:

streamInfo_ :shaka.util.WebmGenerator.StreamInfo

Type:
Source:

Methods

element_(id, …payloadnon-null) → {Uint8Array}

Parameters:
Name Type Attributes Description
id number
payload Uint8Array <repeatable>
Source:
Returns:
Type
Uint8Array

float_(id, value) → {Uint8Array}

Parameters:
Name Type Description
id number
value number
Source:
Returns:
Type
Uint8Array

idBytes_(id) → {Uint8Array}

Parameters:
Name Type Description
id number An element ID, with its length marker.
Source:
Returns:
Type
Uint8Array

sizeVint_(value) → {Uint8Array}

Writes a variable-length integer with as few bytes as it can: the number of leading zeros of the first byte is the number of bytes that follow it.
Parameters:
Name Type Description
value number
Source:
Returns:
Type
Uint8Array

string_(id, value) → {Uint8Array}

Parameters:
Name Type Description
id number
value string
Source:
Returns:
Type
Uint8Array

uint_(id, value) → {Uint8Array}

Parameters:
Name Type Description
id number
value number
Source:
Returns:
Type
Uint8Array

initSegment() → {Uint8Array}

Generates an initialization segment.
Implements:
Source:
Returns:
Type
Uint8Array

segmentData() → {Uint8Array}

Generates a media segment: one or more Clusters.
Implements:
Source:
Returns:
Type
Uint8Array

simpleBlock_(frame, clusterTimecode) → {Uint8Array}

Parameters:
Name Type Description
frame shaka.util.WebmGenerator.Frame
clusterTimecode number
Source:
Returns:
Type
Uint8Array

trackEntry_() → {Uint8Array}

Source:
Returns:
Type
Uint8Array

Type Definitions

Frame

Type:
  • {timecode: number, data: !Uint8Array, keyframe: boolean}
Properties:
Name Type Description
timecode number The time, in ticks of the timecode scale of the stream.
data Uint8Array
keyframe boolean
Source:

StreamInfo

Type:
  • {trackNumber: number, type: number, codecId: string, codecPrivate: ?Uint8Array, timecodeScale: number, width: number, height: number, channelCount: number, sampleRate: number, frames: !Array<shaka.util.WebmGenerator.Frame>}
Properties:
Name Type Attributes Description
trackNumber number
type number A shaka.mkv.TrackType.
codecId string The Matroska CodecID.
codecPrivate Uint8Array <nullable>
timecodeScale number Nanoseconds per tick.
width number Of a video track.
height number Of a video track.
channelCount number Of an audio track.
sampleRate number Of an audio track.
frames Array<shaka.util.WebmGenerator.Frame> The frames of the media segment.
Source: