Question

I am creating a website, where users can upload their videos. I’m using the HTML5 video player from http://videojs.com/. How can I make HTML5 player play only MP4 on all browsers? If that is impossible, are there any ways to maybe convert MP4 to other formats?

Answer 1

Please read this blog post for the updated info: http://blog.zencoder.com/2013/09/13/what-formats-do-i-need-for-html5-video/

[Old Answer: Outdated]

If you provide both Ogg Theora & MP4 format then, you can cover almost all modern browsers (ref). And, with some small effort you can find a lots of PHP implementation of the most popular & powerful open source video converter (ffmpeg). Or, you can make a small class for it too. Then use as –

<video id="my_video_1" class="video-js vjs-default-skin" controls
  preload="auto" width="640" height="264" poster="my_video_poster.png"
  data-setup="{}">
  <source src="my_video.mp4" type='video/mp4'>
  <source src="my_video.ogv" type='video/ogg'>
</video>

PHP ffmpeg wrapper libs-

1. http://code.google.com/p/phpvideotoolkit/
2. http://ffmpeg-php.sourceforge.net/