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This is probably one of the most requested features for obs-websocket.
This currently works by firing an event to all explicit subscribers
with an array of all active audio sources every **60 milliseconds.**
The `inputLevelsMul` field follows this data format:
Base: [Channel, Channel]
Channel: [magnitude (mul), peak (mul), input_peak (mul)]
*Not Muted* *Muted*
Example: [[0.3, 0.5, 0.9], [0.0, 0.0, 0.0]]
(input_peak is the actual peak value, before volume adjustment.)
You may notice that the values are only in mul. This is because we are
trying to cut down on bandwidth. dB values can be calculated using this
formula:
`dB = 20.0 * log10(mul)`
obs-websocket
WebSocket API for OBS Studio.
Downloads
Binaries for Windows, MacOS, and Linux are available in the Releases section.
Using obs-websocket
It is highly recommended to protect obs-websocket with a password against unauthorized control. To do this, open the "Websocket server settings" dialog under OBS' "Tools" menu. In the settings dialogs, you can enable or disable authentication and set a password for it.
(Psst. You can use --websocket_port(value), --websocket_password(value), and --websocket_debug(flag) on the command line to override the configured values.)
Possible use cases
- Remote control OBS from a phone or tablet on the same local network
- Change your stream overlay/graphics based on the current scene
- Automate scene switching with a third-party program (e.g. : auto-pilot, foot pedal, ...)
Client software
- (No known clients supporting 5.0.0 at the moment. Send a message in Discord if you have one!)
Client libraries (for developers)
Here's a list of available language APIs for obs-websocket:
- Python 3.7+ (Asyncio): simpleobsws by IRLToolkit
- Rust: obws by dnaka91
The server is a typical Websockets server running by default on port 4444 (the port number can be changed in the Settings dialog under Tools).
The protocol we use is documented in PROTOCOL.md.
We'd like to know what you're building with or for obs-websocket. If you do something in this fashion, feel free to drop a message in #project-showoff in the discord server!
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