[Live-devel] Streaming over Wifi with no receiver

[Daniel Martinez Ramos]

Hi everybody

I've found a project quite similar to yours encoding h264 and streaming 
via wifi, it also cover how to adjust bitrate depending on the bandwidth.

link here:

http://es.scribd.com/Akavashi/d/71789823-spyPanda-Thesis-Report

Regards.

Daniel M.


El 22/05/2012 10:58, Ashfaque escribió:
> Hi Ross,
> Now we are able to stream over Wifi with receiver application running 
> on iOS device.
> But we are getting a very large propagation delay ranging from 200ms 
> initially when application to more than 1.5 sec after some 5-10 
> minutes duration. We are using a camera which produces 30fps.
> We had calculated the time needed for capture and H264 encode the 
> frame which is always lesser than the frame rate (33ms for 30fps)
> Trying to find where the delay is, Server side or the receiver side.
> Does live555 internal layer waits until the frames arrive in time 
> order (As fPresentationTime is used for each frame), or can we drop 
> frames if they are not in order? Can this help us to overcome the 
> issue of propagation delay?
> Please suggest any other areas which can cause the propagation delay?
> Thanks in advance.
> Regards,
> Ashfaque
> *From:* Ross Finlayson <mailto:finlayson at live555.com>
> *Sent:* Tuesday, May 22, 2012 1:58 PM
> *To:* LIVE555 Streaming Media - development & use 
> <mailto:live-devel at ns.live555.com>
> *Subject:* Re: [Live-devel] Streaming over Wifi with no receiver
> It looks to me like your output data rate exceeds the capacity of your 
> network (in this case, a WiFi network).  This is especially likely if 
> you are streaming via multicast, because the bandwidth of multicast 
> over WiFi tends to be significantly lower than unicast.  If you are 
> streaming via multicast, then you might want to try streaming via 
> unicast instead.
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
>
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