[vlc-devel] [PATCH 3/3] access/udp: reduce mtu amount on initial packets

Ilkka Ollakka ileoo at videolan.org
Tue Oct 16 14:46:58 CEST 2018

On Mon, Oct 15, 2018 at 10:40:14PM +0200, Francois Cartegnie wrote:
> Le 15/10/2018 à 20:30, Ilkka Ollakka a écrit :
> > In this approach, mtu is setted to high on start, and if received data
> > is less than 1500 and mtu is higher than that, we adjust mtu on future
> > packets to be smaller. In majority of cases in UDP streaming, packet
> > size is usually quite constant, so it should work, even if it's not
> > generic solution to udp packet receiving.
> That can't work on a single packet.
> H264 RTP treaming usually sees packets for PPS, SPS, and the remainder
> of frames being < MTU.

Would you happen to have tcpdump capture of such case?

Ilkka Ollakka

More information about the vlc-devel mailing list