[dvblast-devel] Video freezes

Jakub Paweł Głazik zytek-lists at nuxi.pl
Wed Sep 29 12:39:04 CEST 2010


2010/9/29 Jaroslav Klaus <jaroslav.klaus at gmail.com>:
>
> On 22.9.2010, at 17:15, Metin wrote:
>
> I guess this is caused by CAM module. Did you encounter the same problem
> with a clear channel?
>
>
> It's really strange. If I replay the PCAP file from windows it's smooth.
> BTW I tested trunk version of dvblast (with bitstream) last week and it was
> dropping packets. dvblast 1.2 is fine.
> Back to my problem. It looks like HW or NIC driver issue (although I've
> tested few low-cost Gb NICs). Can you give me some recommendation what Gb
> NIC you use and if you do any special settings (UDP buffer, ethtool -C
> tuning etc.)? Thank you.
> br,
> Jaroslav

I had packet droppage issues when my server reached it's performance
limits (0% idle sometimes), the udp unicast streaming was unreliable.
This is one reason dvblast could have http output. I installed simple
proxy (udp>http) and the issues gone. (and of course tuned main
server).

-- 
.: Jakub Paweł Głazik,
.: email & jabber: zytek<at>nuxi.pl


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