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

DJI & GOPRO RTMP URL GENERATOR

Generate formatted local RTMP publishing URLs for your DJI Smart Controller or GoPro, and instant WebRTC Browser Source links for OBS Studio.

Your Windows PC Local IP Or find this by running ipconfig in Command Prompt.

Stream Key / Camera Name Unique identifier for your camera stream.

1. Copy to DJI Fly App / GoPro / Mobile Camera App:

2. Copy to OBS Studio (Browser Source URL for <50ms Latency):

QUICK SETUP TIPS:

Ensure CastZero Engine is running on your Windows PC.
For DJI RC 2, select 720p 3-4 Mbps in DJI Fly App Transmission settings.
For DJI RC Pro or Smartphones, select 1080p 6Mbps.