For reference, our preload code on Android and B2G is also a bit complex. i.e. 
If the page doesn't say anything about what to preload, we preload nothing. If 
they ask for preload="auto" we default to only preload metadata.

- Wes

----- Original Message -----
From: "Jared Hirsch" <6...@mozilla.com>
To: "Hubert Figuière" <h...@mozilla.com>
Cc: dev-platform@lists.mozilla.org
Sent: Friday, August 22, 2014 10:59:12 AM
Subject: Re: Intent to implement: Disabling auto-play videos on mobile  
networks/devices?

FWIW, Safari on iOS doesn't allow autoplay or preload, and also only initiates 
play/load on a user-triggered event (so, pages can't use JS to fake a click).

The reason given in the docs[1] is that users might be charged for that 
bandwidth.

Cheers,

Jared

[1] 
https://developer.apple.com/library/safari/documentation/audiovideo/conceptual/using_html5_audio_video/device-specificconsiderations/device-specificconsiderations.html

On Aug 22, 2014, at 10:17 AM, Hubert Figuière <h...@mozilla.com> wrote:

> On 21/08/14 01:29 PM, Wesley Johnston wrote:
>> Summary: We've had some complaints at times about videos autoplaying on 
>> mobile devices when sites request autoplay.
> 
> Just on mobile?
> 
> I filed this a while ago.
>   https://bugzilla.mozilla.org/show_bug.cgi?id=980939
> 
> It doesn't seem to have gained traction until I saw this.
> 
> Autoplay is annoying
> Autoplay waste bandwidth, whether mobile or wifi. In some case it is
> more serious than other.
> Autoplay disturb people.
> 
> Since it is possible it gets abused.
> 
> Etc.
> 
> Hub
> _______________________________________________
> dev-platform mailing list
> dev-platform@lists.mozilla.org
> https://lists.mozilla.org/listinfo/dev-platform

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