WebM demuxers.
npm install webm-inspectorTravis CI Status: 
javascript
var mediaSamplesUrl = 'https://video-dev.github.io/streams/x36xhzz/url_0/url_462/193039199_mp4_h264_aac_hd_7.ts';
var req = new XMLHttpRequest();
req.open('GET', mediaSamplesUrl, true);
req.responseType = 'arraybuffer';
req.onload = function (data) {
var arrayBuffer = req.response;
if (arrayBuffer) {
var byteArray = new Uint8Array(arrayBuffer);
var demuxer = inspectorjs.createWebMDemuxer();
demuxer.append(byteArray);
demuxer.end();
// You will find tracks information in demuxer.tracks
console.log(demuxer.tracks);
}
``