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.

MULTI-CAMERA PRODUCTION TOOL

MULTI-CAMERA OBS SCENE MATRIX GENERATOR

Format multi-camera RTMP publishing addresses and WebRTC Browser Sources for multi-drone live broadcasts in OBS Studio & vMix.

Windows PC Local IP

Number of Cameras / Feeds

CAMERA STREAM CONFIGURATION MATRIX

Multi-Camera Setup Workflow:

Assign each camera its corresponding RTMP Publishing URL in camera transmission settings.
In OBS Studio, create a Browser Source for each camera using the WebRTC URLs above.
All camera feeds will ingest in real-time under 50ms with perfect synchronization.