Replies to This Discussion

DeveloperPermalink Reply by Michael Oborne on June 5, 2012 at 3:45pm

let me know how it works, it try and pulls frames at the fastest speed posible, so the only limit will be network io.

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Permalink Reply by Cody O. on June 5, 2012 at 6:38pm

I'll let you know as soon as I get it working.  I'm having trouble finding the address for the MJPEG stream on my camera.  I am open to any advice on how to determine this.

A couple things I've noticed so far:

1.  If you enter an invalid address, Mission Planner crashes.

2.  When using the default address (displaying the map), it will sometimes revert back to the artificial horizon on its own.

3.  If you enable the MJPEG stream and the video capture at the same time, the picture will flicker between the two.

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Permalink Reply by Cody O. on June 6, 2012 at 7:26am

I can't make this work for some reason.  I enter the JPEG stream address ( rtsp://192.168.1.56:554/12 ) in VLC and it works fine, but when I try it in Mission Planner it crashes.  When I was viewing in VLC it had about a 2 second lag, which is completely unacceptable.  Viewed in IE, lag is <0.1 second.  Am I doing something wrong?

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DeveloperPermalink Reply by Michael Oborne on June 6, 2012 at 3:54pm

idealy i need a sample of the video stream, to check it over. my first guess is that its not actualy a mjpeg stream.

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DeveloperPermalink Reply by Michael Oborne on June 29, 2012 at 5:52pm

Cody, worry about the delay, the issue is i implemented a http mjpeg stream, whereas you are uing a rtsp stream, so need to cater for that as well.

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DeveloperPermalink Reply by Michael Oborne on June 29, 2012 at 6:11pm

Cody can you try the this url
http://192.168.1.56/12 in the planner, vlc etc

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DeveloperPermalink Reply by Michael Oborne on September 4, 2012 at 4:07pm

it would be exactly the same for the internet.
check here as well.
http://vps.oborne.me/gcs/Mjpeg%20Video%20Source%20with%20VLC.htm

this allows you to proxy any video source into the mission planner.

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Permalink Reply by Aaron Curtis on September 4, 2012 at 4:31pm

Er, sorry, I was being really dumb above! I thought you had posted an example mjpg server. Glad to see the guide. Those steps are exactly what I followed, though, and I got the below error. I'll try again tonight though.

INFO ArdupilotMega.Utilities.CaptureMJPEG - System.IO.EndOfStreamException: Failed to read past end of stream.
  at System.IO.BinaryReader.ReadByte () [0x00000] in <filename unknown>:0
  at ArdupilotMega.Utilities.CaptureMJPEG.ReadLine (System.IO.BinaryReader br) [0x00000] in <filename unknown>:0
  at ArdupilotMega.Utilities.CaptureMJPEG.getUrl () [0x00000] in <filename unknown>:0

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DeveloperPermalink Reply by Michael Oborne on September 4, 2012 at 4:41pm

for seom reason either vlc stopped or the network connection was dropped.

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Permalink Reply by Tommy Larsen on August 18, 2012 at 1:29pm

Hi

Any progress on this project ?

Tommy

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