Expose available video track quality levels (bitrate/resolution)
Nobody has claimed this yet.
- Dominant language
- HTML
- Stars
- 9.4k
- Forks
- 3.2k
- Avg merge
- 3d 9h
- Merged PRs (30d)
- 38
Description
A number of video formats commonly in use on the web are capable of dynamically adjusting their bitrate to account for bandwidth between the client and the content. A significant percentage of users have preferences for the quality level of their playback and as such, a quality selector button or menu is a common feature of custom video player implementations:

If an application developer is implementing their own adaptive quality switching logic using Media Source Extensions, it's possible to support user quality selection. There doesn't seem to be any way of expressing that on top of the HTMLMediaElement for adaptive formats that are natively supported, however.
Is this sort of capability in scope for the HTML standard?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
The issue names HTMLMediaElement and Media Source Extensions but no repository file or test. Start by reading the relevant HTML Standard sections and the 12-comment discussion; a complete contribution would need an agreed, testable scope for exposing adaptive track quality levels.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- html
- Domain
- frontend, web-dev
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100