whatwg / whatwg/html

Expose available video track quality levels (bitrate/resolution)

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#562 12 comments 2 reactions 0 assignees View on GitHub

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addition/proposal needs implementer interest topic: media
Dominant language
HTML
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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:

screen shot 2016-01-26 at 11 59 17 am

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?

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First steps

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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

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