At Wed, 27 Aug 2008 15:23:10 -0700,
John L. Utz III wrote:
>
> Hi;
>
> I am sorry for the vagueness of the questions, but now that i have some
> understanding of how these files are supposed to work i want to get this
> right!
>
> to support 4.0/5.1/7.1 for the vt1618 codec i have to change a different
> set of twiddlers than what is called out in the current version of the
> conf file.
>
> worse yet, the twiddlers called out in the current file dont even *exist*
> on the vt1618:
>
> {
> name "Surround Down Mix"
> preserve true
> value off
> lock true
> optional true
> }
> {
> name "Center/LFE Down Mix"
> preserve true
> value off
> lock true
> optional true
> }
The "optional true" line means that this control is set up only when
it exists. If not present, simply ignored.
> How do i add new stuff without breaking old stuff? is there a sub-identity
> that i could use?
You can add your controls similarly with "optional true" (assume they
are unique).
Takashi
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