[Live-devel] Tracking down latency

[Ralf Globisch]

In addition to what Chris says, you need to configure x264 to be in low latency (zerolatency) mode.

However as this is a live555 mailing list, you should enquire further on the appropriate mailing lists.


>>> "Chris Richardson (WTI)" <chris at gotowti.com> 04/09/14 5:40 PM >>>
Hello,

>VLC here is an unknown beast, as it's really hard to know what it's doing
>and how much it actually buffers and adds to the latency that way.

By default, VLC is using a buffer of 1 second, so it could be that most of
your latency comes from there.  To change this, open the Preferences dialog,
select All under the Show Settings group at the bottom left, then select
Input/Codecs from the tree view on the left.  Then on the right hand side,
scroll way down near the bottom and edit the field "Network Caching (ms)".
You can experiment with lower settings; eventually VLC will stop playing any
frames altogether because its buffer will be too small.

Regards,

Chris Richardson
WTI

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