Class: VideoH264

OSH.DataReceiver. VideoH264

This datasource provides parsing to H264 raw data.
Data: ArrayBuffer

Example

var videoDataSource = new OSH.DataReceiver.VideoH264("H264 video ", {
protocol: "ws",
service: "SOS",
endpointUrl: "sensiasoft.net:8181/sensorhub/sos",
offeringID: "urn:android:device:a0e0eac2fea3f614-sos",
observedProperty: "http://sensorml.com/ont/swe/property/VideoFrame",
startTime: "2016-08-11T20:17:30.402Z",
endTime: "2016-08-11T20:18:05.451Z",
replaySpeed: 1,
syncMasterTime: false,
bufferingTime: 1000
});

Extends

Methods

Builds the full url.

Name Type Description
properties object
Name Type Description
protocol string

the connector protocol

endpointUrl string

the endpoint url

service string

the service

offeringID string

the offeringID

observedProperty string

the observed property

startTime string

the start time (ISO format)

endTime string

the end time (ISO format)

replaySpeed number

the replay factor

responseFormat number

the response format (e.g video/mp4)

Returns:
Type Description
string the full url

Connect the dataSource then the connector will be opened as well.

Disconnect the dataSource then the connector will be closed as well.

Gets the datasource id.

Returns:
Type Description
string the datasource id

Gets the datasource name.

Returns:
Type Description
*

Inits the datasource with the constructor properties.

Name Type Description
properties
Name Type Description
data Object

the data object

Example

data is represented as
data = {
timeStamp: timeStamp // number
data: data // data to render
};

parseData($super, data){Uint8Array}

Extract data from the message. The H264 NAL unit starts at offset 12 after 8-bytes time stamp and 4-bytes frame length.

Name Type Description
$super function

the parseData super method

data ArrayBuffer

the data to parse

Returns:
Type Description
Uint8Array the parsed data

parseTimeStamp($super, data){number}

Extracts timestamp from the message. The timestamp is corresponding to the first 64bits of the binary message.

Name Type Description
$super function

the parseTimeStamp super method

data ArrayBuffer

the data to parse

Returns:
Type Description
number the extracted timestamp

Type Definitions

onMessage

The callback which receives data.