1739151 - Progress bar inside the “Now Playing” info panel doesn't reflect the state of an ongoing played video

Status: VERIFIED FIXED

(Core :: Audio/Video: Playback, defect)

Description

[Anca Soncutean, Desktop QA]

Attachment: screenshoot issue.png

Affected versions

• 96.0a1 (2021-11-03)
• 95.0b2
• 94.0

Affected platforms

• macOS 11.0/12.0

Steps to reproduce

1. Launch Firefox
2. Access Youtube and play any video
3. Click on the Play button from menu bar on the top right corner of the screen
4. Click the name of the played video
5. Observe the progress bar

Expected result

• Progress bar reflects the state of the ongoing played video

Actual result:

• Progress bar is not working

Regression range

• This doesn't look to be a regression, reproducible way back to Fx 87.a01

Other notes

• Not reproducible on Chrome
• Arm configuration is affected as well

Comment 1

[Alastor Wu [:alwu]]

This is a known issue, we haven't implemented this yet.

Comment 2

[Nerixyz]

Attachment: Bug 1739151 - Guess position state from media elements. r=alwu

Comment 3

[Phabricator Automation]

Comment on attachment 9391339 [details]
Bug 1739151 - Guess position state from media elements. r=alwu

Revision D204691 was moved to bug 1887128. Setting attachment 9391339 [details] to obsolete.

Comment 4

[Alex T]

Fixed by https://hg.mozilla.org/mozilla-central/rev/42b4bac7dae6

Comment 5

[Ina Popescu, Desktop QA]

I've replicated this issue using Nightly 96.0a1 (2021-11-03) on macOS 13 following the STR from Comment 0.
Verified as fixed in the latest Nightly 134.0a1 (2024-11-03) and Firefox 133.0b3 version on macOS 13 as the issue no longer occurs.