[gmpi] Re: Topic 8: Parameters
- From: Marc Poirier <fipnid@xxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Fri, 8 Aug 2003 06:42:20 -0700 (PDT)
--- Angus Hewlett wrote:
> The fundamental identifier of a parameter should be the path, and
> the parameter list is dynamic. However, in between changes in the
> parameter list, it should be possible for the host to address
> parameters via an integer index. So, something like...
>
> plug: HostCallback->MyParamsHaveChanged();
>
> host: int volIdx = plug->GetParamIndexByName("/global/mixer/volume");
>
> .. host can now use volIdx in automation calls.
Just one little implementation note: I certainly hope properties changes,
like changes to the parameter list, are not announced via host callbacks.
What about other "listeners" who might be interested, like a GUI? I hope
that we use some sort of property listener/notification system like AU
instead.
Marc
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