From owner-freebsd-multimedia@FreeBSD.ORG Wed Apr 25 14:22:09 2012 Return-Path: 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 52F671065710 for ; Wed, 25 Apr 2012 14:22:09 +0000 (UTC) (envelope-from luigi@onelab2.iet.unipi.it) Received: from onelab2.iet.unipi.it (onelab2.iet.unipi.it [131.114.59.238]) by mx1.freebsd.org (Postfix) with ESMTP id 100C38FC12 for ; Wed, 25 Apr 2012 14:22:09 +0000 (UTC) Received: by onelab2.iet.unipi.it (Postfix, from userid 275) id 1270C7300B; Wed, 25 Apr 2012 16:41:43 +0200 (CEST) Date: Wed, 25 Apr 2012 16:41:43 +0200 From: Luigi Rizzo To: freebsd-multimedia@herveybayaustralia.com.au Message-ID: <20120425144143.GA69128@onelab2.iet.unipi.it> References: <35960.1335360151@herveybayaustralia.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35960.1335360151@herveybayaustralia.com.au> User-Agent: Mutt/1.4.2.3i Cc: freebsd-multimedia@freebsd.org Subject: Re: New driver opportunity - rtl2832u X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Apr 2012 14:22:09 -0000 On Thu, Apr 26, 2012 at 12:22:31AM +1100, freebsd-multimedia@herveybayaustralia.com.au wrote: > ... > On Thu 26/04/12 12:02 AM , Luigi Rizzo wrote:On Wed, Apr 25, 2012 at > > Slightly off-topic: > > The 2832-based sticks have become very popular recently because > the stick can be used as a programmable spectrum analyzer, see e.g. > > http://op25.osmocom.org/wiki [1]" > target="_blank">http://op25.osmocom.org/wiki > http://lists.osmocom.org/pipermail/osmocom-sdr/2012-March/000041.html [2]" > target="_blank">http://lists.osmocom.org/pipermail/osmocom-sdr/2012-March/000041.html > > I have tried the code at > http://sdr.osmocom.org/trac/wiki/rtl-sdr [3]" > target="_blank">http://sdr.osmocom.org/trac/wiki/rtl-sdr > and it builds and runs fine on FreeBSD (once you > ignore the auto* stuff and build your 2-line makefile) > > That sounds really cool, but how would I get at least a transport stream > doing that? That looks like I'd get more raw stream than anything, I'm not > sure I'd be able to get at least mplayer to read it even. i said it was off-topic :) I think that the transport stream needs the on-board decoder and probably the firmware as well. The op25 link was the first match that came up on google, but what i really meant to point at was the rtl-sdr, and the usage i am envisioning is just a spectrum analyser. cheers luigi