Video background with screen blending mode doesn't work on Mac

Hi,

I’ve included a small videoclip in my flash animation, it’s embedded in a MovieClip with a “Screen” blending mode to make the black background transparent, it works perfectly in the flash IDE and online when viewed from a PC, however on a Mac, the blending mode isn’t working at all and a black square is visible ruining the effect I want to achieve! Because I haven’t got a Mac, it’s difficult for me to test the result (the client gave me that feedback:puzzled:).

Up to now, I’ve found a tricky solution consisting in converting my video sequence in a sequence of png images and replace the video in the MovieClip with that images sequence, the blending works then both on pc or Mac, but I found this solution not very handy and then would like to know if anybody’s got a better solution for me??

You can preview the flash animation with the blending problem here :
http://bit.ly/bwprwf

Thanks in advance for your help!