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obsdc/README.md

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# obsdc
OBS control from D-Bus messages
Send a D-Bus signal to perform an operation with `src/obsdc-signal`, which takes a single operation name
as an argument.
## Operations
See [Op](src/main/kotlin/net/eksb/obsdc/Op.kt) for a list of operations.
## Configuration
Configuration is in `$XDG_CONFIG_HOME/net.eksb.obsdc/config.properties`
### Configuration options
* `host` - OBS websocket host (default: `localhost`)
* `port` - OBS websocket port (default: `4455`)
* `password` - OBS websocket password (required)
## Build
`gradle build`
## Run
1. `tar xf build/distributions/obsdc.tar`
2. `cd obsdc`
3. Create config file. See [#Configuration].
4. `bin/obsdc`
5. `bin/obsdc-signal` to send an op.
## Code
Start at [Main](src/main/kotlin/net/eksb/obsdc/Main.kt).
[Obs](src/main/kotlin/net/eksb/obsdc/Obs.kt) is a wrapper around
[obs-websocket-java](https://github.com/obs-websocket-community-projects/obs-websocket-java)
that handles reconnects and queuing operations until the websocket it ready.
[OpRunner](src/main/kotlin/net/eksb/obsdc/OpRunner.kt) has the logic to run [Op](src/main/kotlin/net/eksb/obsdc/Op.kt)s
using an `Obs`.
[DBus](src/main/kotlin/net/eksb/obsdc/DBus.kt) listens for the `D-Bus` signals and calls `OpRunner`.
## History/Rationale
I usually code on a 4k monitor in portrait mode. To show what I am doing on video calls,
I use OBS to share that monitor, but it is a 2160x4096 source in a 1920x1080 scene.
I have [a macropad](https://www.keebmonkey.com/products/megalodon-dual-layer-knob-macro-pad) with two knobs.
My [window manager](https://swaywm.org/) is configured to call `obsdc-signal` with `PAN_UP`/`PAN_DOWN` for the
keys emitted by one knob and `PAN_RIGHT`/`PAN_LEFT` for the keys emitted by the other knob.
The regular keys on the macropad are mapped to the other actions.
So now I can quickly control what people can see without having to focus (or even make visible) the OBS window.