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PROTOCOL.md

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IPC Protocol

Backstory

The app consists of two binraries: a front end tauri app (aka rust and react) and a backend c++ daemon. The c++ daemon is responsible for actually creating the virtual mic and running when the front end app closes. The two binaries interact with JSON-RPC 2.0 over a unix socket (where only on linux right now). The "over the wire" protocol is just json messages terminated with newlines.

Methods

I'll describe the various methods the backend server supports.

getStatus

Get's status of native engine; checks if it is ready to do everything else (ie. it has initialized whatever it needs to initialize). Returns True if read False otherwise.

getMicrophones

Get's available microphones to listen on. Returns an object like

{
	"list": [{
		"id": int,
		"name": string,
		}],
	"cur": string,
}

where list is the list of available listening devices with an integer id and a display name. cur is the name of the currently active device.

setMicrophone

Sets the microphone to use. Takes an integer parameter corresponding to the id recieved from getMicrophones. Returns a boolean corresponding to whether the operation succeeded.

setRemoveNoise

Starts/stops removing noise. Takes a bool corresponding to whether or not to denoise. No return value.

setLoopback

starts/stops loopback. Takes a bool corresponding to whether or not to start the loopback.

getProcessors

Returns a list of audio processor options

"list": [
	"name": string
],
"cur": int index in list of current

setProcessor

Takes an int index of the processor to set.