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Youtube playback when seeking auto changes from 1080p to 320p

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Recently switched from Chrome back to Firefox but having a small problem with Youtube vidoes that never happened when using chrome.

Videos default playback at usual 1080p but after a while and you jump to another time section of a video the quality will auto drop down to 320p for no reason. It doesn't happen all the time but seems to be happening more and more.

I have tried with no added installed and a fresh profile but still the same.

Recently switched from Chrome back to Firefox but having a small problem with Youtube vidoes that never happened when using chrome. Videos default playback at usual 1080p but after a while and you jump to another time section of a video the quality will auto drop down to 320p for no reason. It doesn't happen all the time but seems to be happening more and more. I have tried with no added installed and a fresh profile but still the same.
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Additional System Details

Application

  • Firefox 66.0.2
  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0
  • Support URL: https://support.mozilla.org/1/firefox/66.0.2/WINNT/en-US/

Extensions

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  • BetterTTV 7.0 (firefox@betterttv.net)
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WestEnd
  • Top 25 Contributor
60 solutions 5376 answers

Link to the video? Sounds like driver issue is causing that.

Link to the video? Sounds like driver issue is causing that.
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Question owner

It happens on nearly every video I try. Just tested right now and it happened on this one https://www.youtube.com/watch?v=tmBYnXhwmLk

Also tested with onboard audio enabled instead of my USB Dac but the same. Only happens on Firefox since I swapped over from Chrome.

It happens on nearly every video I try. Just tested right now and it happened on this one https://www.youtube.com/watch?v=tmBYnXhwmLk Also tested with onboard audio enabled instead of my USB Dac but the same. Only happens on Firefox since I swapped over from Chrome.
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cor-el
  • Top 10 Contributor
  • Moderator
17416 solutions 157355 answers

Could there possibly be memory issues? You can check this on the about:memory page, via the location bar.


Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
Could there possibly be memory issues? You can check this on the about:memory page, via the location bar. ---- Start Firefox in <u>Safe Mode</u> to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if <u>hardware acceleration</u> is is causing the problem. *switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes *do NOT click the "Refresh Firefox" button on the Safe Mode start window *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
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Question owner

Tried it in safe mode but the problem still exists.

I even tried deleting my profile and a clean install of Firefox but it still happens.

I can get it to happen all the time when trying a live video, after 30seconds to a few minutes the video will auto change quality from the set 1080p to 360p then after a minute of that the "A error has occurred. Please try again later"

Tried the exact same live video in other browsers (Chrome and Edge) which work perfectly.

Tried it in safe mode but the problem still exists. I even tried deleting my profile and a clean install of Firefox but it still happens. I can get it to happen all the time when trying a live video, after 30seconds to a few minutes the video will auto change quality from the set 1080p to 360p then after a minute of that the "A error has occurred. Please try again later" Tried the exact same live video in other browsers (Chrome and Edge) which work perfectly.
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