You can look at these prefs in about:config to see what settings work for you to block media auto-play.

• media.autoplay.default = 5 [0:allow;1:blockAudible;5:blockAll]
• media.autoplay.blocking_policy = 2
• media.autoplay.allow-extension-background-pages => false
• media.autoplay.block-event.enabled => true
• media.block-autoplay-until-in-foreground

You can open about:config via the address/location bar. You can read the warning and click "Accept the Risk and Continue".

• https://support.mozilla.org/en-US/kb/about-config-editor-firefox

• https://support.mozilla.org/en-US/kb/block-autoplay

You can look at these prefs in about:config to see what settings work for you to block media auto-play.

• media.autoplay.default = 5 [0:allow;1:blockAudible;5:blockAll]
• media.autoplay.blocking_policy = 2
• media.autoplay.allow-extension-background-pages => false
• media.autoplay.block-event.enabled => true
• media.block-autoplay-until-in-foreground

You can open about:config via the address/location bar. You can read the warning and click "Accept the Risk and Continue".

• https://support.mozilla.org/en-US/kb/about-config-editor-firefox

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• https://support.mozilla.org/en-US/kb/block-autoplay

to be frank it's not that I don't appreciate this, and it is what I had originally been looking for (and shortly after posting this, I realized that it was just the website made it look as if the videos would still autoplay with autoplay disabled,), but what I was asking here was to disable all video playback, and changing those settings does not disable all video playback.

I get the intent of your answer (I do appreciate it), but it makes searching for questions and answers more difficult. If there is not a way to disable video playback I would rather delete this thread/topic if possible; I don't want someone who is trying to find a way to disable video playback to have to check this topic to find no answer to their question

edit: if there is not a way to disable video playback and if there is no way to delete the topic, I'm just going to reword the original title/post to be about disabling autoplay