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

Francois Cartegnie fcvlcdev at free.fr
Mon Oct 15 22:40:14 CEST 2018

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.

Francois Cartegnie
VideoLAN - VLC Developer

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