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Enable MP4 (H.264 + AAC) HTML5 video in Firefox on Windows XP without Flash

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Posted (edited)

I have this set in FF

general.useragent.override                   Mozilla/5.0 (Windows NT 6.2; rv:62.0) Gecko/20100101 Firefox/62.0

general.useragent.overrideprefrence   Mozilla/5.0 (Windows NT 6.2; WOW64;rv:67.0) Gecko/20100101 Firefox/67.0");

pretty sure I have all the gmp gmp.adode and widevine aswell

is there anything i should modify  .?

.

general.useragent.site_specific_overrides;        true

should I changed this to false ?

Edited by DrWho3000
edir

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general.useragent.site_specific_overrides is set to "true" here.
:yes:

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4 hours ago, DrWho3000 said:

general.useragent.site_specific_overrides;        true

should I changed this to false ?

It should be "true." However, with FF 52, it won't do anything unless you add some custom Javascript:

On 3/24/2019 at 11:04 AM, VistaLover said:

I was able to restore SSUAO functionality in Firefox 52.9.0[1] 32-bit on my VistaSP2 x86 laptop and bring it on par with the UXP browsers (i.e. SSUAO are now possible natively, without the need for extra extension(s)) :thumbup  

Full Guide (tested only in FxESR52, should work in other Fx versions):

1. Load "about:config?filter=site_specific" in a tab and make sure

general.useragent.site_specific_overrides;true (should be by default)

2. Exit Firefox

3. Create the following text file


pref("general.config.obscure_value", 0);
pref("general.config.filename", "config.js");

rename it to "config-prefs.js" (make sure no hidden .txt extension is present) and place it inside

<FirefoxInstalDir>\defaults\pref\

(a file named "channel-prefs.js" should already be there by default)

4. Create the following text file


// needs to start with a comment line
Components.utils.import("resource://gre/modules/Services.jsm");
Services.obs.addObserver(function (aSubject, aTopic, aData) {
  var chromeWindow = aSubject;
  chromeWindow.setTimeout(function () {
    Components.utils.import("resource://gre/modules/UserAgentOverrides.jsm", chromeWindow);
    chromeWindow.UserAgentOverrides.init();
  }, 1000);
}, "browser-delayed-startup-finished", false);

rename it to "config.js" (make sure no hidden .txt extension is present) and place it inside <FirefoxInstalDir>\ (i.e. in the same directory as firefox.exe). 

5. Launch Firefox; now you are ready to create SSUAOs inside about:config as you would do in New Moon and/or Serpent 52. E.g. I created 

general.useragent.override.browserspy.dk;Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0

and when visiting the test site with FxESR52 I get:

ZCauXYb.jpg

(to re-iterate, this is without any UA modifying extension... :P).

I think you'll find the above to your satisfaction... ;)

 

 

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is there a way around with FB vids, to view inline on newsfeed instead of some going to the expanded theatre mode  and NOT play or do

i see some seem to have sound, some not

is this to do how it was encoded, frame or the css/js ??

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Do any Facebook videos play automatically inline for you as they should do?
As I said to you in another thread, I'm pretty sure that some won't play anyway, IIRC because they are too deeply linked.
:)

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Posted (edited)

Can we disable the plugin container, in the past I noticed it was mainly needed to help play flash games, and removing it, there was no adverse effect and FF ran smoothly without it, but now If I disable or remove it FF, having Primetime Decryption FF complains Primetime has  has stopped and need to reload page

I found it is a resource hog

I know in older versions it was together but in wisdom was decide to seperate into 2 seperate processes

dom.ipc.plugins (on Firefox 9 there are two, while there are five on some older versions).
Set all of them to false to disable plugin-container:

DISABLING
After disabling it, the usage is more like 35-50% and 25-40%. That’s an improvement from 100-130% to 60-90% ==> ~40% net.

By default, Firefox loads plug-ins in a separate process called plugin-container.exe, which is meant to keep the main Firefox process (firefox.exe) unscathed in the event of a plug-in error or crash.

Plugin-container is known for being resource intensive (CPU and RAM). But fortunately, it can be disabled without disrupting the browser's operation.

Edited by DrWho3000

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Posted (edited)

hopefully  this is the right thread

Can someone help , when I have Netflix going I get 2 instances of pluging in container, sure I only use to have the one

this seems to be since i did a New profile

is there a way of only having the one, OR does silverlight have its own seperate one ?

should this be dom.ipc.plugins.enabled  true or false

Also I have the exact same settings (or sure I have) in prefs in my other XP SP3 PC, yet when I try to use Netflix I get plugingin container and sliverlight then disappears and get a DRM error,   ...............   is there a componet I could be missing / need or something I need to get DRM working

or be looking for something missing

deffo got all 6 blue ticks in the youtube/html webite

i have Primetime on both XP SP3 PC's works fine on youtube  fine on both

have exactly same Silverlight version on both, have all the same plugins and files (even checked the WMP DRM files)

 

If I go here http://html5test.com/ my other PC scores better than this one yet the other refuses to play Netflix  but this one does

 

 

Edited by DrWho3000

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