Html 5 Video Problem

I'm trying to set up my site to use HTML 5 videos. The mp4 files are served from S3. I've got the MIME type right, and the URL is right. It's not working though. The only thing I c

Solution 1:

The idea of the video codecs information is that your browser won't download the video if it can't play it. (found that here) So I think even with a wrong, but common, avc level (last 2 chars) it should download and play. I found this guide how to determine and change your avc level using a hex editor. Megui apparently also works for that.

Solution 2:

Try removing the type attribute. If that makes it work, you've found the problem. Also, check the actual Content-Type HTTP header.