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alpha channel for new Flash 8
I’m having a hell of a time trying to figure out exporting video files with an alpha channel to take advantage of Flash 8’s new player. In theory, video can be exported using the ON2 VP6 codec, complete with it’s alpha channel which can then be composited in Flash. In the past, I’ve had to drop graphics in the background of the video and then export the entire rectangular frame into Flash. The graphics just don’t compress that well. This new feature would make for great video on the web.
HOWEVER … Macromedia and Apple, both in their infinite wisdow, are great at touting their products on their respective web sites but horrible at actually giving any true support. I was quite surprised that it doesn’t seem like anyone’s talking about this with the new release of Flash, but maybe there aren’t that many people using FCP to output video to the web.
So, what I’ve done is taken my chroma key shot (using the Chromatte material and LiteRing from Reflecmedia which is awesome), keyed out the background and used the new codec from Flash to export the video as an FLV file. However, once in Flash, all I’m getting is a black background, not a transparent one. I’m using FCP HD. Is there a feature/switch/button that I’m missing? The FCP manual wouldn’t know an alpha channel if one . . . .
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