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Updated Variables (markdown)

WarmUpTill 2025-08-13 15:33:29 +02:00
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Variables.md

@ -144,4 +144,38 @@ You can [import](https://github.com/WarmUpTill/SceneSwitcher/wiki/Exporting-and-
```
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```
```
## Using a MIDI device to control the volume of an OBS source
As a first step create a new MIDI condition and select the desired device to read the input from.
Next up click the "Start listening" button and use the slider, knob, ... to figure out which MIDI messages the Advanced Scene Switcher has to check for.
<img width="773" height="381" alt="image" src="https://github.com/user-attachments/assets/cdc46a17-cc1b-41c2-9ebf-a752642468d2" />
Once you have figured out which value is representing the volume range in the incoming MIDI messages click "Stop Listening" and set that field to `Any`.
In the example below this is `Value(2)`.
![Listen](https://github.com/user-attachments/assets/eff981a7-de75-4361-b90e-94f00332c175)
Finally uncheck the "Clear message buffer when matching message was found" as we don't want to discard any volume change messages.
Next up let's add actions to read out the incoming values and use them to change the volume of a source.
To read the value we need a `Variable` action.
We want assign the `Value(2)` field to the variable of our choice so we configure it like this:
<img width="758" height="98" alt="image" src="https://github.com/user-attachments/assets/97776027-b00e-4093-953d-769462357112" />
Finally we need an action of type `Audio` to change the volume of the desired source in OBS.
You can click the highlighted button to use the variable you had previously assigned the MIDI value to.
<img width="779" height="152" alt="image" src="https://github.com/user-attachments/assets/8be8ab13-85c7-4945-a704-731fc05cc0f8" />
The final macro will look and behave something like this:
![Example](https://github.com/user-attachments/assets/49fb71d5-0de6-4d93-802e-8217ff68ae50)
You can of course add another optional action step of type `Variable`, which scales the incoming MIDI values to a desired range.
Here is an example if you would want to scale the `0` to `127` from the above example to `0` to `100`:
<img width="761" height="100" alt="image" src="https://github.com/user-attachments/assets/dae295b2-2ada-40e6-a805-ab20d138ce0c" />