[wp-trac] [WordPress Trac] #38172: Enable Video Headers in Custom Headers

[WordPress Trac]

#38172: Enable Video Headers in Custom Headers
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 Reporter:  davidakennedy    |       Owner:
     Type:  feature request  |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Themes           |     Version:  trunk
 Severity:  normal           |  Resolution:
 Keywords:  needs-patch      |     Focuses:
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Comment (by pento):

 Data-driven decisions are fun. :-)

 Here's a list of the extensions from the last 10,000 uploads to
 VideoPress.

 ||=Extension=||=Upload Count=||
 ||mp4||6511||
 ||mov||2890||
 ||m4v||323||
 ||wmv||93||
 ||avi||72||
 ||mpg||42||
 ||3gp||38||
 ||peg||17||
 ||gpp||10||
 ||ogv||4||

 It's a reasonable assumption that most (if not all) `mp4` and `m4v` videos
 are using h.264 encoding, this is the primary (often only) container and
 encoding supported by consumer video recording devices, and video editing
 software. If a person knows enough to export in a different format, we can
 assume they know enough to use h.264 for web video.

 `mov` files are not allowed to be uploaded to WordPress, by default. It's
 also not a reasonable assumption that they're using h.264. It's quite
 common for it to be a container for MPEG-2 encoded video, particularly
 video coming from hand-held video cameras more than a few years old. `mov`
 support sometimes comes up in the support forums, where the general advice
 is to convert it to `mp4`.

 The final ~3% are a mixed bunch, none of which will reliably work in any
 browser, and `wmv`/`ogv` are the only ones that can be uploaded to
 WordPress.

 So, my recommendations:
 - When the video is `mp4` or `m4v`, use a plain `video` tag.
 - When the video is any other format, load mejs as a fallback. We can't
 guarantee it'll work, but it'll usually provide a better experience than
 not loading it, and it's no worse than WordPress current behaviour for
 embedded video.
 - I wouldn't mind YouTube support, it can be
 [https://codepen.io/ccrch/pen/GgPLVW done quite nicely] using the YouTube
 API.
 - Vimeo only works for
 [https://vimeo.com/forums/feature_requests/topic:278001 videos upload by
 Pro members], so I'm inclined to not add Vimeo support.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38172#comment:16>
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