monitor-input

A command line tool to change display monitors' input sources via DDC/CI.

Installation

Please install Rust if you haven't done so.

From github

cargo install --git https://github.com/kojiishi/monitor-input-rs

From `crates.io`

cargo install monitor-input

From local checkout

cd monitor-input-rs
cargo install --path .

Usages

List all display monitors

You can get the list of displays by running the command without arguments.

monitor-input

The output should look like below.

0: Dell P2415Q
    Input Source: DisplayPort2
1: Generic PnP Monitor
    Input Source: 0
2: Dell U2723QE
    Input Source: DisplayPort1
3: Dell P3223QE
    Input Source: Hdmi1

Note that a display monitor may be listed twice. This happens when there are multiple ways to find display monitors, such as by the OS API and by the display driver APIs.

Set the input source by name

monitor-input U2723=dp1 P3223=hdmi1

All display monitors that have the specified name are affected. The following example sets the input sources of all displays whose name have "Dell" to DisplayPort1.

monitor-input Dell=dp1

You can test which display monitors match by omitting the input source. The following example lists all display monitors whose name have "Dell" without changing their input sources.

monitor-input Dell

Set the input source by the display monitor index

monitor-input 2=usbc2 3=usbc2

Vendor-specific input sources

The input source can be a number. This is useful when the display has vendor-specific input sources.

monitor-input U2723=15 P3223=17

monitor-input 0.3.3