Fallback image for Rail's video_tag

[Aaron Cordovez]

It seems like there is no way to provide a fallback image with Rail's video_tag.

Is there a specific reason that the method was created this way? http://api.rubyonrails.org/classes/ActionView/Helpers/AssetTagHelper.html

Has anyone else come across the need to use a fallback image when using video_tag, or found a way to do it without using raw html?

[Gabriel Sobrinho]

Seems like you can do it using the poster option.

[Matt Jones]

On Mar 30, 2015, at 9:02 AM, Gabriel Sobrinho <gabriel....@gmail.com> wrote:

Seems like you can do it using the poster option.

I believe Aaron is referring to putting an `img` tag inside the `video` element, to accommodate browsers that don’t understand `video` at all.

http://stackoverflow.com/questions/14616453/image-placeholder-fallback-for-html5-video

Setting a placeholder won’t help those browsers, since they don’t handle the tag at all.

—Matt Jones

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[Jason Fleetwood-Boldt]

I think people using video_tag or picture_tag will probably be using polyfils or fallbacks. 

While we’re on the subject, it would be great to think long-term about supporting picture_tag too, generally it needs a polyfil and a CarrierWave/Paperclip integration, so it may or may not be something to integrate into the Rails core. 

I think Rails should take emerging standards (picture_tag and video_tag) seriously as we transition into this new territory. 

-Jason 

[Jason Fleetwood-Boldt]

on that note any plans to support picture_tag (the emerging new standard for displaying pictures?)

something like what you see here: https://github.com/G5/picture_tag-rails

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[Aaron Cordovez]

Yes Matt,

That is precisely what I am referring to.

-Aaron