Motion Detection and RTSP

[ScreenName01]

Hi All,

  I'm using RTSP server 0.10.1 (Just noticed there's version 0.10.2 and 0.10.3 now) and I was wondering how I would go about integrating motion detection.  I'm not very familiar with what RTSP is capable of.  Is there a part of the specification where I can add it in as a event perhaps.

  If anyone has any ideas about where best to add/integrate something like motion detection I'm up for trying anything as like I said I don't know how one would properly integrate it.

  FYI, I have a separate process outside of the protocol handling it right now.  It's doing it's own IPC with the tasks that are listening right now.  It's a side task and has no intervention with the RTSP server at all.

  Any help is appreciated, thanks!

  Side note:  I'm doing live streaming from a v4l source.  Is it a good idea to upgrade to 0.10.2/3 since I noticed one of the patches deals with support for live streams.  Thanks again!

[Florent THIERY-2]

Hi,

>  I'm using RTSP server 0.10.1 (Just noticed there's version 0.10.2 and
> 0.10.3 now) and I was wondering how I would go about integrating motion
> detection.  I'm not very familiar with what RTSP is capable of.  Is there a
> part of the specification where I can add it in as a event perhaps.

To start, use videoanalyse; based on the brightness changes, you could
use it as motion detection feature. You can also do your own plugin.

>  FYI, I have a separate process outside of the protocol handling it right
> now.  It's doing it's own IPC with the tasks that are listening right now.
> It's a side task and has no intervention with the RTSP server at all.
>

What library is your other component based on ? Hard to tell how
without more details.

FLo

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[ScreenName01]

Hi Flo,

  I'm using my own motion detection written in house.  It basically takes each frame
and splits them into sections then does a difference based on difference noticed per
section.  I'm not entirely sure but anyhow, it's a simple motion detection algorithm.

  I've never used videoanalyse.  I could give it a try, thanks!

  How would one find out if there's any motion detection though?  Aside from doing
something proprietary that I am doing.  Is there a standard that is part of RTSP
for sending and receiving information regarding motion detection?

Thanks,
SN01

Florent THIERY-2 wrote

Hi,

>  I'm using RTSP server 0.10.1 (Just noticed there's version 0.10.2 and
> 0.10.3 now) and I was wondering how I would go about integrating motion
> detection.  I'm not very familiar with what RTSP is capable of.  Is there a
> part of the specification where I can add it in as a event perhaps.

To start, use videoanalyse; based on the brightness changes, you could
use it as motion detection feature. You can also do your own plugin.

>  FYI, I have a separate process outside of the protocol handling it right
> now.  It's doing it's own IPC with the tasks that are listening right now.
> It's a side task and has no intervention with the RTSP server at all.
>

What library is your other component based on ? Hard to tell how
without more details.

FLo

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Group, R/GA, & Big Spaceship. http://www.creativitycat.com 
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[Florent THIERY-2]

> Is there a standard that is part of
> RTSP
> for sending and receiving information regarding motion detection?

RTSP is only used for streaming setup. So, no.

However, i guess you could encapsulate your datastream inside another
rtp stream, but you would need to implement a payloader for this, and
your client would need to support this extension.

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