VLC player RTSP video latency issues. How Reduce delay when playing stream

Many time stream stop get an error(). func mediaPlayerStateChanged(_ aNotification: Notification!) mediaPlayer.state case .error :
The Latency was about 2 to 3 seconds
I'm using a 5MP 1080P Camera Raspberry Pi 3/4
My Internet speed is 120 Mbps
Testing device iPhone X (Xcode 13.0)
My URL:- "rtsp://192.168.x.xx:xxx/test"

so how to reduce latency Is there any way, please tell me

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