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Amazon Prime Video crashes and loses audio sync frequently

  • 6 উত্তরসমূহ
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  • শেষ জবাব দ্বারা jscher2000 - Support Volunteer

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I'm trying to view Amazon Prime Video streaming on Windows 10 PCs with Firefox browser ver. 47.0.1. Prime Video freezes and crashes frequently as well not being able to maintain audio-video sync. Amazon is unwatchable on my Firefox browsers.

I've tried the following: Restarted Firefox in safe mode to eliminate add-ons which had no effect.

I configured the MS Edge browser (Never use it) and Amazon Prime runs without issues. I'm at a loss as to explain what's happening. Any thoughts on the aforementioned would be appreciated.

I'm trying to view Amazon Prime Video streaming on Windows 10 PCs with Firefox browser ver. 47.0.1. Prime Video freezes and crashes frequently as well not being able to maintain audio-video sync. Amazon is unwatchable on my Firefox browsers. I've tried the following: Restarted Firefox in safe mode to eliminate add-ons which had no effect. I configured the MS Edge browser (Never use it) and Amazon Prime runs without issues. I'm at a loss as to explain what's happening. Any thoughts on the aforementioned would be appreciated.

All Replies (6)

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Hello,

I am sorry to hear this, have you tried running it in another browser, did that work?

-Thomas

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Can you tell whether Amazon is using a plugin, such as Flash or Silverlight, or the built-in HTML5 video player? One technique for discovering this is right-clicking the player and checking the context menu. Plugin players generally have a short menu with their name somewhere on it. The built-in player generally has a long menu similar to other Firefox context menus.

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jscher2000 said

Can you tell whether Amazon is using a plugin, such as Flash or Silverlight, or the built-in HTML5 video player? One technique for discovering this is right-clicking the player and checking the context menu. Plugin players generally have a short menu with their name somewhere on it. The built-in player generally has a long menu similar to other Firefox context menus.

Amazon is using the built-in HTML5 player functionality which, I believe, was only recently rolled out in a Firefox version update. I'm highly PC literate but not well versed in the fine details/issues with HTML5-based players versus add-on types like MS Silverlight. The computers I'm using have more than adequate processing power and my network is FIOS with 100 GB/sec up and down (i.e. not a performance or bandwidth issue).

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dsatoru said

jscher2000 said
Can you tell whether Amazon is using a plugin, such as Flash or Silverlight, or the built-in HTML5 video player? One technique for discovering this is right-clicking the player and checking the context menu. Plugin players generally have a short menu with their name somewhere on it. The built-in player generally has a long menu similar to other Firefox context menus.

Amazon is using the built-in HTML5 player functionality which, I believe, was only recently rolled out in a Firefox version update. I'm highly PC literate but not well versed in the fine details/issues with HTML5-based players versus add-on types like MS Silverlight. The computers I'm using have more than adequate processing power and my network is FIOS with 100 GB/sec up and down (i.e. not a performance or bandwidth issue).

Sorry, FIOS is 100MB/Sec...

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Hmm, usually if the HTML5 player fails you get some kind of message. Could you check the Web Console while you're on the page? You can open that using either:

  • Ctrl+Shift+k
  • "3-bar" menu button > Developer > Web Console
  • (menu bar) Tools > Web Developer > Web Console

I'm not sure what we're looking for, but it likely would have a red X next to it or some other error symbol. You can ignore the blue triangles which are style rule warnings. It might help to reload the page to watch for a fresh load attempt on the video.

I think Amazon may require one of the two DRM plugins to be enabled (but I don't know which one). Or maybe I'm thinking of Netflix. Are Primetime and Widevine set to "Always Activate" on the Add-ons page? Either:

  • Ctrl+Shift+a
  • "3-bar" menu button (or Tools menu) > Add-ons

In the left column, click Plugins. Those usually would be toward the top of the right side if set to "Always Activate", or at the bottom if set to "Never Activate".

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Oops, got confused with a different thread where the player didn't work at all.

Is Firefox trying to do anything else at the same time which may be affecting the priority of the video stream?

Sometimes Firefox has incompatibilities with various video card drivers. You could check whether graphics card/chipset driver updates are available for your system. This article suggests safe ways to do that: Upgrade your graphics drivers to use hardware acceleration and WebGL.