Problem with Youtube videos using Firefox

Hi everyone!

I recently installed Fedora on my new laptop (AMD CPU without dedicated GPU) and I noticed that some Youtube videos appear “glitchy” when using Firefox (image). Some videos work fine, but others won’t.

Videos in other websites work fine and I don’t have problems when using Chrome.

I have already installed multimedia libraries using sudo dnf group install Multimedia and enabled RPM Fusion repos. I’m completely new to Fedora (been using Linux for a year), so I would appreciate any help.

Thanks in advance!

1/2 of youtube videos video is all garbled, audio is fine

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