软件包：obs-command-source（0.5.0-1 以及其他的）

plugin for OBS Studio providing a dummy source to execute commands

This plugin provides a dummy source to execute arbitrary commands when a scene is switched.

Current features:

  Start a command at the following events:
    * Show (the source is shown in either preview or program).
    * Hide (the source is hidden so that no longer shown in neither preview
      nor program).
    * Activate (the source goes to the program).
    * Deactivate (the source goes from the program).
    * Show in preview (the source goes to the preview).
    * Hide from preview (the source goes from the preview).

  Optionally, kill the created process at these conditions (this feature is
  not available for Windows as of now):
    * When hiding, kill the process created at shown.
    * When deactivating, kill the process created at activated.
    * When hiding from the preview, kill the process created at preview.

Possible usage:

  * Implementing custom tally lights.
  * Controlling PTZ cameras by switching the scene. Ii is possible to combine
    with CURL to send some commands.
  * Start and stop a daemon program required for the scene.
  * Trigger other operations through websocket at the event. A helper script
    is available for this (request-websocket.py).
  * Start or stop a streaming and recording.
  * Open a full screen video.
  * Open a calculator to teach about finances when switching a scene.
  * Other actions.

Caution: since this plugin executes arbitrary commands, users need to consider security concerns. For example, when combining with obs-websocket plugin, a remote user could change property through the websocket interface so that the arbitrary commands can be executed.

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