JSDoc: Class: shaka.util.TsParser

Class: shaka.util.TsParser

Constructor

new TsParser()

Source:

lib/util/ts_parser.js, line 20

See:

https://en.wikipedia.org/wiki/MPEG_transport_stream

Members

H264_NALU_TYPE_SPS_ :number

NALU type for Sequence Parameter Set (SPS) for H.264.

Type:

number

Source:

lib/util/ts_parser.js, line 1133

H265_NALU_TYPE_SPS_ :number

NALU type for Sequence Parameter Set (SPS) for H.265.

Type:

number

Source:

lib/util/ts_parser.js, line 1141

PacketLength_ :number

Type:

number

Source:

lib/util/ts_parser.js, line 1125

PROFILES_WITH_OPTIONAL_SPS_DATA_ :Array.<number>

Values of profile_idc that indicate additional fields are included in the SPS. see Recommendation ITU-T H.264 (4/2013) 7.3.2.1.1 Sequence parameter set data syntax

Type:

Array.<number>

Source:

lib/util/ts_parser.js, line 1153

Timescale :number

Type:

number

Source:

lib/util/ts_parser.js, line 1118

audioCodec_ :string

Type:

string

Source:

lib/util/ts_parser.js, line 45

audioData_ :Array.<Uint8Array>

Type:

Array.<Uint8Array>

Source:

lib/util/ts_parser.js, line 48

audioPes_ :Array.<shaka.extern.MPEG_PES>

Type:

Array.<shaka.extern.MPEG_PES>

Source:

lib/util/ts_parser.js, line 51

audioPid_ :number

Type:

number

Source:

lib/util/ts_parser.js, line 42

id3Data_ :Array.<Uint8Array>

Type:

Array.<Uint8Array>

Source:

lib/util/ts_parser.js, line 57

id3Pid_ :number

Type:

number

Source:

lib/util/ts_parser.js, line 54

pmtId_ :number

Type:

number

Source:

lib/util/ts_parser.js, line 24

pmtParsed_ :boolean

Type:

boolean

Source:

lib/util/ts_parser.js, line 27

videoCodec_ :string

Type:

string

Source:

lib/util/ts_parser.js, line 33

videoData_ :Array.<Uint8Array>

Type:

Array.<Uint8Array>

Source:

lib/util/ts_parser.js, line 36

videoPes_ :Array.<shaka.extern.MPEG_PES>

Type:

Array.<shaka.extern.MPEG_PES>

Source:

lib/util/ts_parser.js, line 39

videoPid_ :number

Type:

number

Source:

lib/util/ts_parser.js, line 30

Methods

probe(data) → {boolean}

Check if the passed data corresponds to an MPEG2-TS

Parameters:

Name	Type	Description
`data`	Uint8Array

Source:

lib/util/ts_parser.js, line 1073

Returns:

Type: boolean

syncOffset(data) → {number}

Returns the synchronization offset

Parameters:

Name	Type	Description
`data`	Uint8Array

Source:

lib/util/ts_parser.js, line 1093

Returns:

Type: number

byteToHex_(x) → {string}

Convert a byte to 2 digits of hex. (Only handles values 0-255.)

Parameters:

Name	Type	Description
`x`	number

Source:

lib/util/ts_parser.js, line 1062

Returns:

Type: string

clearData()

Clear previous data

Source:

lib/util/ts_parser.js, line 65

getAudioData() → {Array.<shaka.extern.MPEG_PES>}

Return the audio data

Source:

lib/util/ts_parser.js, line 612

Returns:

Type: Array.<shaka.extern.MPEG_PES>

getAvcInfo_() → {{height: ?string, width: ?string, codec: ?string}}

Return the video information for AVC

Source:

lib/util/ts_parser.js, line 794

Returns:

Type: {height: ?string, width: ?string, codec: ?string}

getCodecs() → {{audio: ?string, video: ?string}}

Return the audio and video codecs

Source:

lib/util/ts_parser.js, line 737

Returns:

Type: {audio: ?string, video: ?string}

getHvcInfo_() → {{height: ?string, width: ?string, codec: ?string}}

Return the video information for HVC

Source:

lib/util/ts_parser.js, line 921

Returns:

Type: {height: ?string, width: ?string, codec: ?string}

getMetadata() → {Array.<shaka.extern.ID3Metadata>}

Return the ID3 metadata

Source:

lib/util/ts_parser.js, line 588

Returns:

Type: Array.<shaka.extern.ID3Metadata>

getPmtId_(data, offset) → {number}

Get the PMT ID from the PAT

Parameters:

Name	Type	Description
`data`	Uint8Array
`offset`	number

Source:

lib/util/ts_parser.js, line 220

Returns:

Type: number

getStartTime(contentType) → {number}

Return the start time for the audio and video

Parameters:

Name	Type	Description
`contentType`	string

Source:

lib/util/ts_parser.js, line 709

Returns:

Type: number

getVideoData(naluProcessingopt) → {Array.<shaka.extern.MPEG_PES>}

Return the audio data

Parameters:

Name	Type	Attributes	Default	Description
`naluProcessing`	boolean	<optional>	true

Source:

lib/util/ts_parser.js, line 652

Returns:

Type: Array.<shaka.extern.MPEG_PES>

getVideoInfo() → {{height: ?string, width: ?string, codec: ?string}}

Return the video information

Source:

lib/util/ts_parser.js, line 781

Returns:

Type: {height: ?string, width: ?string, codec: ?string}

getVideoNalus() → {Array.<shaka.extern.VideoNalu>}

Return the video data

Source:

lib/util/ts_parser.js, line 750

Returns:

Type: Array.<shaka.extern.VideoNalu>

getVideoResolution() → {{height: ?string, width: ?string}}

Return the video resolution

Source:

lib/util/ts_parser.js, line 764

Returns:

Type: {height: ?string, width: ?string}

parse(data) → {shaka.util.TsParser}

Parse the given data

Parameters:

Name	Type	Description
`data`	Uint8Array

Source:

lib/util/ts_parser.js, line 80

Returns:

Type: shaka.util.TsParser

parseAvcNalus(pes, nextPesopt, nullable) → {Array.<shaka.extern.VideoNalu>}

Parse AVC Nalus The code is based on hls.js Credit to https://github.com/video-dev/hls.js/blob/master/src/demux/tsdemuxer.ts

Parameters:

Name	Type	Attributes	Description
`pes`	shaka.extern.MPEG_PES
`nextPes`	shaka.extern.MPEG_PES	<optional> <nullable>

Source:

lib/util/ts_parser.js, line 438

Returns:

Type: Array.<shaka.extern.VideoNalu>

parseNalus(pes, lastNaluopt, nullable) → {Array.<shaka.extern.VideoNalu>}

Parse AVC and HVC Nalus The code is based on hls.js Credit to https://github.com/video-dev/hls.js/blob/master/src/demux/tsdemuxer.ts

Parameters:

Name	Type	Attributes	Description
`pes`	shaka.extern.MPEG_PES
`lastNalu`	shaka.extern.VideoNalu	<optional> <nullable>

Source:

lib/util/ts_parser.js, line 456

Returns:

Type: Array.<shaka.extern.VideoNalu>

parsePES_(data) → {shaka.extern.MPEG_PES}

Parse PES

Parameters:

Name	Type	Description
`data`	Uint8Array

Source:

lib/util/ts_parser.js, line 356

Returns:

Type: shaka.extern.MPEG_PES

parsePMT_(data, offset) → {shaka.util.TsParser.PMT}

Parse PMT

Parameters:

Name	Type	Description
`data`	Uint8Array
`offset`	number

Source:

lib/util/ts_parser.js, line 233

Returns:

Type: shaka.util.TsParser.PMT

Type Definitions

PMT

PMT.

Type:

{audio: number, video: number, id3: number, audioCodec: string, videoCodec: string}

Properties:

Name	Type	Description
`audio`	number	Audio PID
`video`	number	Video PID
`id3`	number	ID3 PID
`audioCodec`	string	Audio codec
`videoCodec`	string	Video codec

Source:

lib/util/ts_parser.js, line 1178