# Stream from Gimbal freezes in 2 seconds

Source: https://forum.modalai.com/topic/366/stream-from-gimbal-freezes-in-2-seconds
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2021-07-29 19:18:39 UTC by Daniel Ryu
Replies: 13 · Views: 1262

## Daniel Ryu · 2021-07-29 19:18:39 UTC

Hello,

I have an m500 with gimbal attached. I installed ffmpeg to run the gimbal, but now when I run the stream and try and watch it with VLC media player, the stream freezes in 1-2 seconds. Dronewise, its running the stream just fine according to its terminal outputs.
![Screenshot from 2021-07-29 12-18-24.png](https://forum.modalai.com/assets/uploads/files/1627586314786-screenshot-from-2021-07-29-12-18-24.png) 
![Screenshot from 2021-07-29 12-16-06.png](https://forum.modalai.com/assets/uploads/files/1627586173855-screenshot-from-2021-07-29-12-16-06.png) 
![Screenshot from 2021-07-29 12-15-31.png](https://forum.modalai.com/assets/uploads/files/1627586151444-screenshot-from-2021-07-29-12-15-31.png)

## Reply by Daniel Ryu · 2021-07-29 19:19:48 UTC

Tried running with QGC as well but the stream does not show there either

## Reply by Eric Katzfey (ModalAI staff) · 2021-07-30 16:25:27 UTC

What are you using for your wireless connection? WiFi or Microhard? And can you see the stream in QGC for 1 or 2 seconds or not at all?

## Reply by Daniel Ryu · 2021-07-30 22:20:10 UTC (in reply to Eric Katzfey)

@Eric-Katzfey QGC is not at all, and I am using microhard for the wirelesss connection which has been working fine for the rtsp cameras

## Reply by Eric Katzfey (ModalAI staff) · 2021-07-30 22:39:46 UTC

I would switch to a USB Ethernet dongle to do your debugging. Then you don't have to worry about wireless connectivity. Then I would recommend trying to get it working with QGC. Later versions of QGC may not work on certain versions of OS. What OS / version are you using to host QGC?

## Reply by Daniel Ryu · 2021-07-30 22:57:25 UTC (in reply to Eric Katzfey)

@Eric-Katzfey ![Screenshot from 2021-07-30 15-57-10.png](https://forum.modalai.com/assets/uploads/files/1627685844704-screenshot-from-2021-07-30-15-57-10.png)

## Reply by Eric Katzfey (ModalAI staff) · 2021-07-31 17:42:42 UTC (in reply to Daniel Ryu)

@Daniel-Ryu Actually, I was referring to the host system. For example, is QGC running on Ubuntu 18.04 or Mac OSX or ?

## Reply by Daniel Ryu · 2021-08-02 17:27:09 UTC (in reply to Eric Katzfey)

@Eric-Katzfey Ubuntu 20.04

## Reply by Eric Katzfey (ModalAI staff) · 2021-08-02 17:46:17 UTC (in reply to Daniel Ryu)

@Daniel-Ryu Okay, thanks! What type of camera are you using in the gimbal?

## Reply by Eric Katzfey (ModalAI staff) · 2021-08-02 17:48:12 UTC (in reply to Eric Katzfey)

@Eric-Katzfey I normally test with Logitech C270, QGroundControl v4.1.1, and Ubuntu 20.04

## Reply by Daniel Ryu · 2021-08-02 17:53:30 UTC (in reply to Eric Katzfey)

@Eric-Katzfey The gimbal camera I have was the default that came with the drone when I purchased it, I believe its some version of Arducam? I'll download your version of QGC and try testing with that

## Reply by Eric Katzfey (ModalAI staff) · 2021-08-02 18:05:31 UTC (in reply to Daniel Ryu)

@Daniel-Ryu The other thing you can do is use the ```tcpdump``` command on Voxl to verify that you can see the video packets being sent from ffmpeg. Another idea is to have ```dmesh -wH``` open in another session to see if the kernel reports any issues.

## Reply by Daniel Ryu · 2021-08-02 18:05:56 UTC (in reply to Eric Katzfey)

@Eric-Katzfey I'll do that, thanks!

## Reply by Daniel Ryu · 2021-09-25 04:41:13 UTC

https://forum.modalai.com/topic/460/integrating-flir-boson-as-usb-connected-camera-on-voxl/3 Issue with UVC cameras in general has moved here