[FFmpeg-user] "Extracting" Alpha Channel

[Stefano Sabatini]

On date Thursday 2011-07-28 12:31:16 +0100, Phil Rhodes encoded:
> 
> >Another interesting possibility (simpler, faster) would be to
> >implement a decomposer and a composer filter
> 
> Hang on. You're saying that implementing a video filter in low level
> code is simpler and faster than using an existing commandline tool?!

Correction: simpler and faster - once the filter is implemented, just
casting some random ideas in the case someone != me wants to try it
(which is unlikely - I have to admit).