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usda-vision/docs/rtsp_access_guide.md
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# RTSP Streaming Access Guide (Tailscale)
## Your Tailscale IP
**100.93.40.84**
## Access URLs
Replace `exp-dash` with `100.93.40.84` in all URLs when accessing from outside the VM.
### 1. MediaMTX Web Interface (Best for Testing)
```
http://100.93.40.84:8889/static/
```
This shows all available streams with a built-in player.
### 2. Direct WebRTC Player for Camera1
```
http://100.93.40.84:8889/camera1/webrtc
```
This is a browser-based player that works without VLC.
### 3. RTSP URL (for VLC/ffplay)
```
rtsp://100.93.40.84:8554/camera1
```
**For VLC:**
- File → Open Network Stream
- URL: `rtsp://100.93.40.84:8554/camera1`
- Or use: `rtsp://100.93.40.84:8554/camera1?transport=tcp`
**For ffplay:**
```bash
ffplay -rtsp_transport tcp rtsp://100.93.40.84:8554/camera1
```
## Important Notes
1. **Stream Timeout**: MediaMTX closes streams after ~10 seconds if no one is watching. Make sure to:
- Start RTSP first: `curl -X POST http://exp-dash:8000/cameras/camera1/start-rtsp`
- Then quickly open the viewer within 10 seconds
2. **Ports Exposed**:
- 8554: RTSP
- 8889: WebRTC/HTTP API
- 8189: WebRTC UDP
3. **Network**: Tailscale creates a VPN, so you can access these URLs from anywhere, as long as your client device is also on the same Tailscale network.
## Testing Steps
1. **Start the stream:**
```bash
curl -X POST http://exp-dash:8000/cameras/camera1/start-rtsp
```
2. **Quickly open a viewer** (within 10 seconds):
- Open browser: `http://100.93.40.84:8889/static/`
- Or: `http://100.93.40.84:8889/camera1/webrtc`
3. **Check status:**
```bash
./check_rtsp_status.sh
```
## Troubleshooting
If you see "no stream is available":
- The stream might have timed out (waited >10 seconds without viewer)
- Restart the stream and quickly connect
- Check logs: `docker compose logs api --tail 20 | grep RTSP`