[vlc-devel] Re: VLC Stream Forwarding Latency Measurement

[Raymond, Brian]

I understand the concept but you might be better served to look at  
the transport since you can get a lot of information regarding  
latency at that level if you use RTP/RTCP.

- Brian


On Feb 6, 2007, at 4:45 PM, Andrzej Palczewski wrote:

> Hi,
>
>             I’m starting a project to measure the latency of a  
> video frame when forwarded with VLC.  I have three computers:
>
> Server ---à Video Router --à Client
>
> The server streams a video to the “video router”, the router then  
> receives it and streams it to the monitor and to another client.
>
> There are two main difficulties:
>
> Create a data structure to correspond incoming frames to outgoing  
> frames in the router. (Create a global frame number)
> Modify the networking source to send that global frame number at  
> the start of every packet
> Then, I will be able to intercept that frame number in the kernel  
> network code and mark the statistics.
>
>
>
> I’m still getting familiar with the VLC source, would any of you  
> guys have some pointers on where in the code I can create and  
> implement the global frame number, and where I can modify the  
> network code to add the global frame number to packets?
>
>
>
> -Andrzej
>
>

-- 
This is the vlc-devel mailing-list, see http://www.videolan.org/vlc/
To unsubscribe, please read http://developers.videolan.org/lists.html