How do you make a video with a transparent background?

B

borbafett

New member
I've spent the better part of the last 24 hours reading every forum I could find on this subject. But I'm still at square one. What I'm trying to achieve in the end is an swf file (flash) with a transparent background so I can put it on my websites homepage and have my actual website as the background. (The video is of me talking)

So last night I used my DVX100a and shot a 1-minute clip in front of a true green screen. I went into Vegas and used the chroma keyer to remove the green background. (Which made it look like a dark blue background) I chose an uncompressed .avi without the alpha channel as my rendering method.

I could go on with the details, but it's a mess. I just want to render the video out with a transparent background so I can bring it into flash and make an swf out of it with a transparent background.
 
borbafett said:
.... I chose an uncompressed .avi without the alpha channel ....
Click to expand...

Nothing like totally trashing the very channel that provides the matte for the transparency you seek.

1. Shoot greenscreen.
2. Generate key.
3. Encode uncompressed WITH alpha.
4. Pass through FLV Encoder and check inlcude alpha. (Add cuePoints as desired)
5. Use Flash media player without skin. (option: Write event handler for any cuePoints included)
6. Use webpage with divs and place flash media content in appropriate div for layer control.

7. Watch video blend seemlessly into page and control other page elements and anything else from cuePoints.
 
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