The open Master Hearing Aid Forum

Hi,

my aim is to use an AC variable I created using my own plugin as an input of another plugin, e.g. the gain plugin. I have two question:

1. I want to set the value of the gain.gains variable to the value of my AC variable, gains needs to be of kind vector<float>, but I can not find an function which inserts an AC variable as a vector. But the only functions I can find are insert_var, insert_var_int, insert_var_float and insert_var_double - what would be the correct way to register a variable such that it can be used as gains for the gain plugin?

2. I tried to set the value of gain.max, since it is a float value. For this I used something like this:
with db_EEG_steered being are float variable. But when setting
I get the error:
What could be wrong in this case?

AC variables can only be read by MHA plugins while they execute either their prepare() or process() callback. You cannot read them in the MHA configuration language.

Thanks for your answer. I though it would be possible to pass content of AC variables between plugins using the configuration language. Is there a way to pass an AC variable created by my own plugin to e.g. the gain plugin?

Yes: you can change the source code of the gain plugin to make use of an AC variable and recompile the gain plugin.

It's open source after all.