Hasta La Motion!

Hi everyone i have a problem when i use the canon 550 d (i have try and another cam sony cubershot mpeg movie and i had not problem inside the maya) when i am finished the matchmoving correctly in matchmover i open the file in maya and when i see throw realviz cam the only that it moves is the greed and the locators.The video its like a still image it doesn’t move.I have had try everything that i could.If somebody know something about it it will be very helpfull for me so don’t hesitate.
Thanks