Firefox will not play WebM video encoded by Sorenson Squeeze Pro 8

A short video encoded to WebM using Sorenson Squeeze Pro 8.0.48. Chrome and Opera play the HTML5 webm video with a problem. Firefox 10.0.1 and 11 just display a dimmed window with and "X" in the middle and will not load or play anything. Sorenson is a commercially proven product as confirmed by Chrome and Opera, so what gives with Firefox?

We have just completed our webm testing with Telestream's Episode Pro 6.2.1.1 and not surprisingly, the same results as Sorenson Squeeze Pro 8.
Chrome, Opera and Safari browsers play HTML5 webm video as expected.
Firefox rigidly enforces the server .htaccess configuration to specifically state Mime Types, then it will/does work.

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    Message was edited by: magneticjak
    Message was edited by: magneticjak

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