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How can Background Video without sound be played automatically?

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Dear Mozilla Community,

i have the Problem describted in the Headline. The Problem startet with the Firefox-Version 65 that autoplay of a video file is disabled.

To be seen under: https://www.ancud.de

Thank you very much in advance,

Daud

Dear Mozilla Community, i have the Problem describted in the Headline. The Problem startet with the Firefox-Version 65 that autoplay of a video file is disabled. To be seen under: https://www.ancud.de Thank you very much in advance, Daud

Izbrana rešitev

I noticed something different between Firefox and Chrome.

In Chrome, the video tag has these additional attributes that are not present on the video tag in Firefox:

muted playsinline autoplay

Hmm, let's see if we can fool the script.

Experiment: I went into about:config and created this new string preference:

Name: general.useragent.override.ancud.de

Value: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36

Then when I reloaded the page, the video tag got those attributes and Firefox played the video.

Conclusion: The script in the page needs to be updated to add those attributes in Firefox, too.

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Dodatne podrobnosti o sistemu

Program

  • Firefox 66.0.5
  • Uporabniški agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0
  • Naslov za podporo: https://support.mozilla.org/1/firefox/66.0.5/WINNT/de/

Razširitve

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JavaScript

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Grafika

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Spremenjene nastavitve

Razno

  • User JS: Ne
  • Accessibility: Ne
McCoy
  • Top 10 Contributor
396 rešitev 3432 odgovorov

Hello zooyork911,

Would you please take a look at this article :

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

'Hope that helps .....

Hello zooyork911, Would you please take a look at this article : https://support.mozilla.org/en-US/kb/block-autoplay 'Hope that helps .....
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cor-el
  • Top 10 Contributor
  • Moderator
17084 rešitev 154305 odgovorov

Did you look at this pref on the about:config page?

  • media.autoplay.allow-muted

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

Did you look at this pref on the <b>about:config</b> page? *media.autoplay.allow-muted You can open the <b>about:config</b> page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue. *http://kb.mozillazine.org/about:config
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jscher2000
  • Top 10 Contributor
8314 rešitev 68040 odgovorov

Isn't that the point? If the user has kept the default setting of autoplay disabled, why would they want a site to be able to play video automatically?

Isn't that the point? If the user has kept the default setting of autoplay disabled, why would they want a site to be able to play video automatically?
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jscher2000
  • Top 10 Contributor
8314 rešitev 68040 odgovorov

Izbrana rešitev

I noticed something different between Firefox and Chrome.

In Chrome, the video tag has these additional attributes that are not present on the video tag in Firefox:

muted playsinline autoplay

Hmm, let's see if we can fool the script.

Experiment: I went into about:config and created this new string preference:

Name: general.useragent.override.ancud.de

Value: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36

Then when I reloaded the page, the video tag got those attributes and Firefox played the video.

Conclusion: The script in the page needs to be updated to add those attributes in Firefox, too.

I noticed something different between Firefox and Chrome. In Chrome, the video tag has these additional attributes that are not present on the video tag in Firefox: muted playsinline autoplay Hmm, let's see if we can fool the script. Experiment: I went into about:config and created this new string preference: Name: general.useragent.override.ancud''.''de Value: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36 Then when I reloaded the page, the video tag got those attributes and Firefox played the video. Conclusion: The script in the page needs to be updated to add those attributes in Firefox, too.
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jscher2000
  • Top 10 Contributor
8314 rešitev 68040 odgovorov

Koristen odgovor

It seems to be something in the Revolution slider but it's minified so I can't figure out what it's doing. The recent updates listed on https://www.themepunch.com/revslider-doc/changelog/ do not mention this issue, so updating might not resolve it. It might be a bug that needs squashing in a future version.

It seems to be something in the Revolution slider but it's minified so I can't figure out what it's doing. The recent updates listed on https://www.themepunch.com/revslider-doc/changelog/ do not mention this issue, so updating might not resolve it. It might be a bug that needs squashing in a future version.
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Lastnik vprašanja

Hey jscher2000,

Thank you very much with your answer and all others too! Changing the User-Agent worked fine. I just can't find in Chrome the additional video-tags you were mentioning. Can you provide me a step by step guide on how i can see these attributes?

Thank you so much in advance, zooyork911

Hey jscher2000, Thank you very much with your answer and all others too! Changing the User-Agent worked fine. I just can't find in Chrome the additional video-tags you were mentioning. Can you provide me a step by step guide on how i can see these attributes? Thank you so much in advance, zooyork911
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