OpenSensorHub Toolkit

# Video Codec API beta

New APIs are being released such as the WebCodec API and allow more flexible support for video streaming.

Details of the API can be found here https://github.com/WICG/web-codecs (opens new window) and here https://wicg.github.io/web-codecs/ (opens new window).

This new API allows, among other things, to decode Video frames using Hardware acceleration.


API Reference

# Supported layers

The view supports type layers:

  • data

# Limitation

WARNING

This experimental version can be used in chrome >= 86 and with the 'Experimental Web Platform features' flag enabled. It does not support multi video reading at the same time.

# Example

import SosGetResultVideo from 'osh-js/core/datasource/SosGetResultVideo.js';
import WebCodecView from 'osh-js/core/ui/view/video/WebCodecView.js';

// create data source for UAV camera
let videoDataSource = new SosGetResultVideo("drone-Video", {
  protocol: "ws",
  service: "SOS",
  endpointUrl: "sensiasoft.net:8181/sensorhub/sos",
  offeringID: "urn:mysos:solo:video2",
  observedProperty: "http://sensorml.com/ont/swe/property/VideoFrame",
  startTime: "2015-12-19T21:04:30Z",
  endTime: "2015-12-19T21:09:19Z",
  replaySpeed: 1
});

// show it in video view using FFMPEG JS decoder
let videoView = new WebCodecView({
  container: 'video-h264-container',
  css: "video-h264",
  name: "UAV Video",
  showTime: true,
  showStats: true,
  dataSourceId: videoDataSource.id
});

// start streaming
videoDataSource.connect();


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