From owner-freebsd-multimedia@FreeBSD.ORG  Thu May 10 00:53:42 2007
Return-Path: <owner-freebsd-multimedia@FreeBSD.ORG>
X-Original-To: freebsd-multimedia@freebsd.org
Delivered-To: freebsd-multimedia@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 0715716A402
	for <freebsd-multimedia@freebsd.org>;
	Thu, 10 May 2007 00:53:42 +0000 (UTC)
	(envelope-from rsf@ns.live555.com)
Received: from ns.live555.com (ns.live555.com [4.79.217.242])
	by mx1.freebsd.org (Postfix) with ESMTP id D3D5713C458
	for <freebsd-multimedia@freebsd.org>;
	Thu, 10 May 2007 00:53:41 +0000 (UTC)
	(envelope-from rsf@ns.live555.com)
Received: from ns.live555.com (localhost.live555.com [127.0.0.1])
	by ns.live555.com (8.14.1/8.13.8) with ESMTP id l4A0QfhW037656
	for <freebsd-multimedia@freebsd.org>;
	Wed, 9 May 2007 17:26:41 -0700 (PDT)
	(envelope-from rsf@ns.live555.com)
Received: (from rsf@localhost)
	by ns.live555.com (8.14.1/8.13.8/Submit) id l4A0QfdL037645;
	Wed, 9 May 2007 17:26:41 -0700 (PDT) (envelope-from rsf)
Mime-Version: 1.0
Message-Id: <f06240801c2681654cd5a@[66.80.62.44]>
In-Reply-To: <20070509234434.4CD3B5B2E@mail.bitblocks.com>
References: <20070509234434.4CD3B5B2E@mail.bitblocks.com>
Date: Wed, 9 May 2007 20:24:27 -0400
To: freebsd-multimedia@freebsd.org
From: Ross Finlayson <finlayson@live555.com>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
Subject: Re: streaming guru needed
X-BeenThere: freebsd-multimedia@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Multimedia discussions <freebsd-multimedia.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-multimedia>
List-Post: <mailto:freebsd-multimedia@freebsd.org>
List-Help: <mailto:freebsd-multimedia-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 10 May 2007 00:53:42 -0000

>This is not right.  The OP seem to have misunderstood rtsp.
>It has been a while but from what I remember rtsp does not
>have acks as it was designed to work the same way over udp
>and tcp and A/V can tolerate loss of a few packets so no
>sense in having acks.

No, you're the one who's misunderstanding.  RTSP is the 'control 
protocol'.  It always runs over TCP.

The actual audio/video streaming is done using RTP, which is usually 
sent over UDP, but can, optionally, be sent instead over TCP (using 
the same TCP connection that RTSP uses).
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/