As Dan has already pointed out, 1) is best left to the host application.
Doing it in a plugin is redundant and simply adds to the plugin complexity.

Salsaman.





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On Mon, Nov 26, 2012 at 1:08 AM, Janne Liljeblad
<janne.liljeblad@???>wrote:

> > How is this better than the bulk of the existing frei0r mixer2 plugins?
>
> 1) It provides a way to set mix levels between src/dest and change
> that level over time. This is sort of important for users trying
> achieve the exact visual/temporal results they desire.
> 2) It provides additional useful blend modes
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