I tried to play code provided by you in my html file. I am attaching that file. It gives the following error in debug console.
worker.html:1 Uncaught SyntaxError: Unexpected token <
http://myserver/drm-protected-stream.mpd Failed to load resource: net::ERR_NAME_NOT_RESOLVED
viblast.js:4 This appears to be Chrome
http://127.0.0.1/favicon.ico Failed to load resource: the server responded with a status of 404 (Not Found)
viblast.js:48 [16:03:40] [vb] Error(LicenseCheck.cc:158): [LicenseCheck] Invalid License. Showing watermark and disabling PDN.