Devede doesn't works; it tell me that may be due to a "bug" of mencoder; but:

1) mencoder is disabled for devede.
2) mencoder isn't in portage tree
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sandro@ci74771ht ~ $ eix devede
[I] media-video/devede
Available versions: 3.16.9 3.21.0 ~3.22.0 3.23.0 {+ffmpeg -mencoder}
Installed versions: 3.23.0(06:01:49 05/02/2016)(-mencoder)
Homepage: http://www.rastersoft.com/programas/devede.html
Description: Program to create video CDs and DVDs, suitable to be played in home DVD players
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and

sandro@ci74771ht ~ $ eix mencoder
No matches found.

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Boh .... thanks for suggestions.