FFmpeg streaming settings

Where are the settings for FFmpeg when streaming located?

Here. - https://github.com/jitsi/jibri/blob/99288dc8e6f4b4c74886d31737b05e9e3bfad3c3/src/main/kotlin/org/jitsi/jibri/capture/ffmpeg/FfmpegCapturer.kt#L40

You can also see how those values are plugged into the full command here.