The playback time displayed in the seek bar of the UI Library is different from currentTime

[r-katayama04]

Have you read the FAQ and checked for duplicate open issues?
yes

If the problem is related to FairPlay, have you read the tutorial?

yes

What version of Shaka Player are you using?

4.10.9

Can you reproduce the issue with our latest release version?
yes(4.10.9)

Can you reproduce the issue with the latest code from main?
I don't know.

Are you using the demo app or your own custom app?
I use the demo app.

If custom app, can you reproduce the issue using our demo app?
N/A

What browser and OS are you using?
Windows10：Edge, Chrome, Firefox
MacOS：Sonoma Safari, Chrome, Firefox

For embedded devices (smart TVs, etc.), what model and firmware version are you using?
N/A

What are the manifest and license server URIs?

e.g.
https://dash.akamaized.net/dash264/TestCases/1c/qualcomm/2/MultiRate.mpd

What configuration are you using? What is the output of player.getConfiguration()?

default configuration.

What did you do?

Operated seek bar.

What did you expect to happen?
Navigate to the playback time displayed in the tooltip.

What actually happened?

Move to a position that is a few seconds off from the playback time displayed in the tooltip.(the closer to the midpoint, the smaller the discrepancy)
Also, if you operate over the edge of the seek bar while dragging the mouse, the tooltip will display incorrect content.

-.2024-08-05.11_23_33.mp4

e over the edge of the seek bar while dragging the mouse, the tooltip will show incorrect content.

Are you planning send a PR to fix it?
no

[avelad]

Maybe It can help: #3236 (comment) but I won't be able to work on this, if you want to work on fixing it please submit a PR. Thank you!

[avelad]

If anyone is interested in working on this, here is the Chromium implementation we should implement in Shaka: https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/html/forms/slider_thumb_element.cc;drc=82dff63dbf9db05e9274e11d9128af7b9f51ceaa;l=96