Serving video to iOS devices does not work in Multisite Wordpress due to lack of byte-range support

[atetlaw]

Apparently iOS requires byte-range support for audio and video. Serving a static .mp4 file to an iOS from Apache works fine, but serving the same file from a Wordpress MS 3.01 installation fails. This is because the file URL is rewritten to use ms-files.php. The PHP file does a readfile($file) on the file to serve it. This is incompatible with iOS devices and will fail.

The problem, and a solution (supporting byte-range requests), is explained in 'Appendix A' here:
​http://mobiforge.com/developing/story/content-delivery-mobile-devices

[scribu]

Related: #14833

[atetlaw]

Correcting the component field

[hakre]

I guess they need that for streaming. But to implement that with PHP via mod_rewrite can kill the server (load).

[kingkong954]

This continues to be an issue for MS deployments -- any chance on someone reviewing it?

[scribu]

Given the performance hit that hakre already mentioned, this is unlikely to get added to Core.

Furthermore, you're free to change your .htaccess to point to a custom php file that implements the solution mentioned in the ticket description.

[SergeyBiryukov]

Related: #19235

[SergeyBiryukov]

#19235 turned off ms-files.php by default.

[mkormendy]

A tutorial on how to achieve what scribu describes re: .htaccess modification with that PHP script would be wonderful!