From owner-freebsd-current@freebsd.org  Thu Jun  2 17:35:17 2016
Return-Path: <owner-freebsd-current@freebsd.org>
Delivered-To: freebsd-current@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1FEA8B65054
 for <freebsd-current@mailman.ysv.freebsd.org>;
 Thu,  2 Jun 2016 17:35:17 +0000 (UTC)
 (envelope-from allanjude@freebsd.org)
Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6])
 by mx1.freebsd.org (Postfix) with ESMTP id 060C411E8
 for <freebsd-current@freebsd.org>; Thu,  2 Jun 2016 17:35:16 +0000 (UTC)
 (envelope-from allanjude@freebsd.org)
Received: from [10.1.1.2] (unknown [10.1.1.2])
 (Authenticated sender: allanjude.freebsd@scaleengine.com)
 by mx1.scaleengine.net (Postfix) with ESMTPSA id 2EF8DD012
 for <freebsd-current@freebsd.org>; Thu,  2 Jun 2016 17:35:10 +0000 (UTC)
Subject: Re: Streaming live tv over the udp protocol causes problems
To: freebsd-current@freebsd.org
References: <CA+GqWgvraS4_wu5OO+_btG0JoDFzKsgTbPO+k0p6D6s3kmDDWg@mail.gmail.com>
From: Allan Jude <allanjude@freebsd.org>
Message-ID: <0ae227ae-0154-cc15-eb64-17984ae2012a@freebsd.org>
Date: Thu, 2 Jun 2016 13:35:09 -0400
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.1.0
MIME-Version: 1.0
In-Reply-To: <CA+GqWgvraS4_wu5OO+_btG0JoDFzKsgTbPO+k0p6D6s3kmDDWg@mail.gmail.com>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 02 Jun 2016 17:35:17 -0000

On 2016-06-01 23:03, Oleg Lelchuk wrote:
> Hi. On 11-ALPHA1, when I use vlc to stream live tv over the udp protocol, I
> see a garbled and choppy video. This issue doesn't occur on 10.3-STABLE. I
> am puzzled as to the cause of this problem.
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
> 

Are both machines FreeBSD?

Can you try running iperf in udp mode, something like this:

pkg install iperf

client: iperf -f m -i 1 -s -u
server: iperf -f m -i 1 -t 20 -c <clientip> -u -b 100m

And give us the results

-- 
Allan Jude