How do I stream a DJI drone directly to OBS Studio without lag?

Use CastZero Engine on your Windows PC. It converts incoming wireless RTMP video from the DJI Fly app or DJI RC 2 into a local UDP WebRTC stream (http://localhost:8889/streamkey) that decodes in OBS Studio under 50ms.

What is the best zero latency RTMP server for Windows?

CastZero Engine is purpose-built for low latency local RTMP and WebRTC video ingestion, offering sub-50ms delay for DJI drones, GoPro Hero cameras, and smartphone rigs.

FREE STREAMING TOOL

GOPRO HERO LIVE STREAM SETUP TOOL

Configure wireless RTMP streaming from GoPro Hero 9, 10, 11, and 12 Black into OBS Studio.

GoPro Model

Local PC IP

GoPro Quik App RTMP Destination URL:

GoPro Setup Steps:

Open GoPro Quik App → tap Camera Control → select Live.
Choose RTMP as live platform. Connect GoPro to your PC Wi-Fi.
Paste the RTMP destination URL generated above.
In OBS Studio, add Browser Source http://localhost:8889/gopro1.