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Turning off hardware acceleration causes videos to have horizontal stripes

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After turning off hardware acceleration (which I had to do due twitch issues) I noticed that videos on youtube have horizontal stripes visible on plain colors, the stripes disappear when I pause the video, and when I resize the video the stripes change in frequency and length. I attach a gif of resizing playing video of plain white also I attach a screen of video with many plain colors and almost the same frame paused. When I turn on hardware acceleration there is no such effect. I have also tried in private with safe mode and the problem persists. I have tried to playback youtube and I have downloaded a mp4 of the video from youtube and played it from disc, both cases had the issue visible.

Edit I added an image that shows the issue exageratedly apmplified (as for now, the added image is visible only when I edit the post, maybe it will be visible later).

After turning off hardware acceleration (which I had to do due twitch issues) I noticed that videos on youtube have horizontal stripes visible on plain colors, the stripes disappear when I pause the video, and when I resize the video the stripes change in frequency and length. I attach a gif of resizing playing video of plain white also I attach a screen of video with many plain colors and almost the same frame paused. When I turn on hardware acceleration there is no such effect. I have also tried in private with safe mode and the problem persists. I have tried to playback youtube and I have downloaded a mp4 of the video from youtube and played it from disc, both cases had the issue visible. Edit I added an image that shows the issue exageratedly apmplified (as for now, the added image is visible only when I edit the post, maybe it will be visible later).
Attached screenshots

Modified by KoKa

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Wesley Branton
  • Top 10 Contributor
540 solutions 4683 answers

Helpful Reply

You should check for updates for your graphics driver by following the steps mentioned in these Knowledge base articles:

You should check for updates for your graphics driver by following the steps mentioned in these Knowledge base articles: * [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems#w_turn-off-hardware-acceleration]] * [[Upgrade your graphics drivers to use hardware acceleration and WebGL]]
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Question owner

I have latest drivers, and turning off hardware acceleration is when issue with stripes appear, not the other way around. When I let hardware acceleration on there is no stripes on videos, only when I turn it off. I will post the amplified screenshot here again as I see it did not appear in my original post after edit.

I have latest drivers, and turning off hardware acceleration is when issue with stripes appear, not the other way around. When I let hardware acceleration on there is no stripes on videos, only when I turn it off. I will post the amplified screenshot here again as I see it did not appear in my original post after edit.
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WestEnd
  • Top 10 Contributor
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So what site is that?

So what site is that?
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Question owner

It's youtube, but the same thing happens when playing back downloaded mp4 video from youtube. I haven't noticed such issue with twitch though.

It's youtube, but the same thing happens when playing back downloaded mp4 video from youtube. I haven't noticed such issue with twitch though.
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Leopardi 0 solutions 6 answers

KoKa said

It's youtube, but the same thing happens when playing back downloaded mp4 video from youtube. I haven't noticed such issue with twitch though.

It's not youtube, since using hardware acceleration gets rid of the horizontal lines. I'm having this issue too.

''KoKa [[#answer-1208632|said]]'' <blockquote> It's youtube, but the same thing happens when playing back downloaded mp4 video from youtube. I haven't noticed such issue with twitch though. </blockquote> It's not youtube, since using hardware acceleration gets rid of the horizontal lines. I'm having this issue too.
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Question owner

I didn't mean that youtube is a culprit, I just answered what website I had problems with, I have tested it on youtube website, but mp4 files playback suffers from this issue as well. I haven't seen the issue on twitch though.

I didn't mean that youtube is a culprit, I just answered what website I had problems with, I have tested it on youtube website, but mp4 files playback suffers from this issue as well. I haven't seen the issue on twitch though.
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