Nicolas,
I have created some "motion graphics" with 'PNG Alpha' codec, and then
applied that over another video.
But that was with graphical shapes and text.
But have not done that with a moving life-like image.
cheers
David
On 20/08/12 02:58, Nicolas Ecarnot wrote:
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?)
And if this could exist, can Cinelerra re-import a video with an alpha
channel ?
I'm asking that because the video show here was a mini-struggle, and
could have been much easier to produce step-by-step, with intermediate
transparency-capable files...
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