[Live-devel] raw video over rtp

Dong Hoon Van Uytsel donghoon.vanuytsel at esaturnus.com
Thu May 10 00:57:39 PDT 2007


Hello Ross,

On Wed, 2007-05-09 at 13:56 -0400, Ross Finlayson wrote:
> >On Mon, 2007-05-07 at 19:57 -0400, Ross Finlayson wrote:
[...]
> >I am experiencing quite a high percentage of UDP packet loss (about
> >10%). Are there any tweaks in the liveMedia lib that I may have
> >overlooked?
> 
> At the sending end, make sure you're sending out your packets 
> correctly spaced apart.  In particular, make sure that you're setting 
> "fDurationInMicroseconds" correctly in whatever data source you're 
> feeding into your "MultiFramedRTPSink" subclass.
> 
> At the receiving end, you can try calling "increaseReceiveBufferTo()" 
> to increase the OS's internal UDP reception buffer beyond it's usual 
> value (50 kBytes).  (See the VLC code ("live555.cpp") for an example 
> of this.) 

This was apparently the reason. Setting it to 512kB apparently solved
it. Thanks for your hint!



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