[PD] [Gem] pix_film: no alpha channel in Mac

Matteo Sisti Sette matteosistisette at gmail.com
Thu Apr 1 19:07:51 CEST 2010


I tried to use [pix_film] with a video encoded with the Animation+ 
codec, with an alpha channel.

I use [alpha] in the chain to turn on alpha blending.

It works perfectly in Windows (Gem 0.92 using QuickTime to open the 
files), but in MacOS the alpha channel is completely ignored and the 
video is opaque.

I use the very same files both in Windows and MacOS.

Does it work better with some other codec? Or is there some trick to 
work it around?

Note that alpha blending in general does work (for example the help 
patch for [alpha]) - it's just the alpha channel of the pix that doesn't 

Any idea?


Matteo Sisti Sette
matteosistisette at gmail.com

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