Hi,
Am 19.08.2012 18:58, schrieb Nicolas Ecarnot:
Hi there,
It's been a long time I wanted to use both diffkey and tracking to play with a
cute effect :
http://www.youtube.com/watch?v=WeQEG_UNnng
I was wondering : as transparency exist as alpha channel in static picture
(gif, png...), does the same exist in videos?
I mean, I'm using transparency every time I'm playing with Cinelerra, but once
my video is rendered, I guess the resulting file has lost any transparency
information... (or not? I don't know?)
It depends on the codec. Typical (end-user) video codecs have no alpha channel.
But movs with png codec have alpha support.
Burkhard
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