OBS itself does not multistream. It only has 1 destination. But, there are several restreamers that you could send OBS to, and it copies that one stream to everywhere.
- Some are in the cloud, so your own internet connection only has to support 1 stream.
- Some are installed on your local device, so you control it better, but your internet needs to support ALL of those streams separately and simultaneously.
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For automating the video file transfer, that sounds to me like an external script that you call in some way or another from OBS at the appropriate time:
This plugin will allow you to automate various tasks using "Macros". Macros consist of a list of conditions under which a list of actions will be performed. Examples and guides can be found in the wiki. Feel free to contribute! If you run...
obsproject.com
has a Run action, that takes a single command line as if you typed it in a terminal (Command Prompt in Windows), in response to almost anything that OBS can know about. It can do almost everything else too, so I have a TON of automation set up in there!
This plugin provides a dummy source to execute arbitrary commands when scene is switched. Currently following 4 events will execute each command in background. MacOS build is experimental. Show - the scene becomes shown in at least one of...
obsproject.com
is a source that you put in a scene. It does nothing, except to run a command line as if you typed it in a terminal (Command Prompt in Windows), when you switch to that scene.