Uncaught TypeError when quality is -1
Created by: davemevans
Environment
-
The MPD passes the DASH-IF Conformance Tool on http://dashif.org/conformance.html -
The stream has correct Access-Control-Allow-Origin headers (CORS) -
There are no network errors such as 404s in the browser console when trying to play the stream -
The issue observed is not mentioned on https://github.com/Dash-Industry-Forum/dash.js/wiki/FAQ -
The issue occurrs in the latest reference client on http://dashif.org/reference/players/javascript/ and not just on my page - Link to playable MPD file: http://dash.edgesuite.net/dash264/TestCases/1a/sony/SNE_DASH_SD_CASE1A_REVISED.mpd
- Dash.js version: dev
- Browser name/version: Chrome 51
- OS name/version: Win 7
Steps to reproduce
- Load MPD with console open
Observed behaviour
Uncaught TypeError: Cannot read property 'MSETimeOffset' of null
In createBuffer, streamProcessor.getRepresentationInfoForQuality(requiredQuality) will return undefined if requiredQuality is -1 which it could be if no quality update event has been triggered. When .MSETimeOffset is accessed, a TypeError is thrown.
This has been alluded to on the mailing list and in PR #1436. Probably caused by #1434.