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muxinc / media-chrome

Custom elements (web components) for making audio and video player controls that look great in your website or app.
https://media-chrome.org
MIT License
1.83k stars 76 forks source link

Media-Time-Range scrub and skimming is broken if video is not pre-loaded, happens often on iOS 17.5 #910

Open jelias opened 6 months ago

jelias commented 6 months ago

just ran into another bug? seems that the media-time-range scrub and skimming is broken with the latest iOS update? Running iOS 17.5. It looks like it skims and updates, but one play it reverts back to the original playhead position? Seems to be only an issue before the video starts play. And leaves the UI timecode vulnerable to being completely out of sync and just wrong

Some further research and testing from my end, it seems to happen most frequently when the video hasn't started loading for some reason.

You can see it happen even on desktop in the media-chrome examples: https://media-chrome.mux.dev/examples/vanilla/state-change-events-demo.html

  1. Try to scrub
  2. Hit play
  3. Notice scrub goes back to 0.
jelias commented 6 months ago

and to confirm, you weren't seeing this in iOS previously??

correct. in prior iOS versions this was not an issue. my guess is some sort of bug between loading the video player and the browser not letting it happen?

luwes commented 1 month ago

This has at least been partly fixed. We've successfully tested it on desktop and iOS 17 physical device. On iOS 18 via Browserstack it was not working.