Dahua IP Camera RTSP URL Format & Streaming Setup
Learn the exact channel parameters, subtype flags, and authentication strings for Dahua CCTV cameras and NVRs.
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#1Dahua RTSP URL Syntax
Dahua cameras and recorders use query parameters to select channels and stream subtypes. You can assemble authenticated Dahua RTSP links in seconds with our IP Camera RTSP URL Builder:
rtsp://admin:[email protected]:554/cam/realmonitor?channel=1&subtype=0#2Subtype Parameter Breakdown
- subtype=0: Main Stream (Highest Resolution, e.g. 4K / 5MP) - subtype=1: Sub Stream 1 (Standard resolution for remote viewing / Home Assistant) - subtype=2: Sub Stream 2 (Mobile resolution / low bitrate)
Use a free 20-minute live RTSP test feed with timestamps to verify your connection before configuring physical cameras.
#3Testing Dahua Stream with FFplay
Test your stream with zero-buffer flags using FFplay. For advanced pipeline flags and transcoding parameters, check our FFmpeg Stream Transcoding & Optimization Guide:
ffplay -rtsp_transport tcp -fflags nobuffer -flags low_delay "rtsp://admin:[email protected]:554/cam/realmonitor?channel=1&subtype=0"Frequently Asked Questions
Does Dahua support ONVIF RTSP authentication?
Yes, Dahua supports both ONVIF Profile S and native RTSP over TCP. In modern Dahua firmware, an ONVIF user account must be created separately in the camera Security settings.
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