[gst-devel] Make transparent a specific color inside a video

[megabug]

Hi,

I have two videos:
1 - An animated "title" text video (letters moving around with a complex 
schema) with a black background.
2 - Another video taken with a camera

Using libpigment, I tried to put the video 1 over video 2 but the black 
background of titles is not transparent and covers the second video. If I try 
to change alpha value on the whole video the black will be mixed with the 
second video making it darker.

Is it possible to make transparent a only part of the video with a specific 
color (the black on the first video in my case)?

-- 
megabug
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