Check out http://transloadit.com There is the competition in the market. And they have also nailed the client-side security thing.

Transloadit doesn't do video only, it does much more.

Not sure about Zencoder and Pandastream.

Check out http://transloadit.com

Bought a copy. Good stuff. Some feedback:

- get the option to skip cutscenes back in - these octopus dudes come way too close. It is too hard to dodge them. - if you get killed, you should start over in the sub-area you were in, and not the main level.

there are save points along the way.

+1. !unimportant ruined it.