[Performance] Keep moving progress bar seeker causes player stuck

[ritingliudd01]

Description

When you keep dragging seeker on progress bar left and right for few seconds at https://videojs.com/advanced/?video=disneys-oceans, the player looks stuck. Checking developer tool you will find tens of requests sent in Safari of iPad Pro. It will revive until the last request returns response.

Some servers will cancel the repeated requests from the same URL with a series of corrupted .m3u8 files returned. If the browser is unable to ignore those responses and still send them to <video /> to handle, this issue will happen https://github.com/videojs/video.js/issues/8561

Reduced test case

https://videojs.com/advanced/?video=disneys-oceans

Steps to reproduce

1. In Safari of iPad, go to https://videojs.com/advanced/?video=disneys-oceans;
2. Play the default video and keep dragging the seeker on progress bar for few seconds;
3. The video keeps loading and the player looks stuck.

Errors

No response

What version of Video.js are you using?

The version used at https://videojs.com/advanced/?video=disneys-oceans

Video.js plugins used.

No response

What browser(s) including version(s) does this occur with?

Safari on iPad Pro (12.9-inch) 6th generation

What OS(es) and version(s) does this occur with?

iOS 16.2

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[ritingliudd01]

Suggestion

• There should be a debounce to avoid sending request every pixel moved. Send only once when dragging seeker stops;
• Handle the error raised from <video>. If the error is caused by a corrupted return, ignore it.

Thanks 🙏

[mister-ben]

There'a a balance to be struck. Some people are very certain that seeking should occur as the slider is moved with immediate feedback.

[ritingliudd01]

There'a a balance to be struck. Some people are very certain that seeking should occur as the slider is moved with immediate feedback.

Got it. Thanks 🙏