Scaling HLS video with CSS greatly affects inline video quality

By design Issue #8018559

Details

Created
Jun 28, 2016
Privacy
This issue is public.
Found in
  • Microsoft Edge
Reports
Reported by 2 people

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Steps to reproduce

1 - Open sample page here:
http://demo.jwplayer.com/browser-examples/edge_hls_scaling.html

2 - Begin playback of the CSS-Scaled Video Element

3 - Trigger a quality upswitch by entering fullscreen

4 - Wait for quality to change and exit fullscreen

5 - Observe video quality of inline player

Expected behavior:
The 1080p stream should look better than the 416 x 234 version

Actual behavior:
The 1080p stream appears to be at a significantly lower quality (See screenshots)

Attachments

1 attachment

Comments and activity

  • Microsoft Edge Team

    Changed Assigned To to “Brad E.”

    Changed Assigned To to “Rick J.”

    Changed Assigned To to “Venkat K.”

    Changed Assigned To from “Venkat K.” to “Erik A.”

  • Changed Status to “Needs root cause”

  • Microsoft Edge Team

    Changed Assigned To from “Erik A.” to “Gurpreet V.”

    Changed Status from “Needs root cause” to “Not reproducible”

    Changed Assigned To from “Gurpreet V.” to “Matt R.”

    Changed Status from “Not reproducible” to “Needs root cause”

    Changed Assigned To to “Gurpreet V.”

    Changed Status from “Needs root cause” to “Confirmed”

    Changed Title from “Scaling HLS video with CSS greatly affects inline video quality” to “Scaling HLS video with CSS greatly affects inline video quality”

    Changed Assigned To from “Gurpreet V.” to “Praveen c.”

    Changed Title from “Scaling HLS video with CSS greatly affects inline video quality” to “Scaling HLS video with CSS greatly affects inline video quality”

    Changed Status from “Confirmed”

    Changed Assigned To to “Stephen E.”

    Changed Status to “By design”

  • Hello,

    Thank you for providing this information about the issue. We can only switch to higher resolution content in time intervals determined by the sever. We can’t switch instantly based on input from the user (i.e. clicking “fullscreen”).  If you leave the video playing long enough at full screen it does adapt.

    Currently, we do not plan to release a fix for this problem. We are considering a solution for a future build.

    Best Wishes,
    The MS Edge Team

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