Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Jeff Higgins Newsgroups: comp.lang.java.programmer Subject: Re: scrambled video streams Date: Mon, 20 Feb 2012 05:30:13 -0500 Organization: A noiseless patient Spider Lines: 25 Message-ID: References: <4korj71qhp227p91g9k27dun329l4d4ubv@4ax.com> <9qd0qvFplkU1@mid.individual.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 20 Feb 2012 10:30:26 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="BSKXKq4dV+7jFlM4JDctyw"; logging-data="15922"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18lyNw40Cgrrr/AZ+22jdyggY9o9c9HBDY=" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.16) Gecko/20120207 Icedove/3.0.11 In-Reply-To: Cancel-Lock: sha1:K7v8YTK25RxVnTFS52hmy7h51fo= Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:12188 On 02/20/2012 05:23 AM, Jeff Higgins wrote: > On 02/20/2012 05:08 AM, Jeff Higgins wrote: >> On 02/19/2012 10:10 PM, Roedy Green wrote: >>> On Sun, 19 Feb 2012 20:28:14 +0100, "Gavino" >>> wrote, quoted or indirectly quoted someone who said : >>> >>>> See http://ditra.cs.umu.se/jmf2_0-guide-html/JMFExtending.html >>> >>> That is good to hear. >>> >>> I was thinking about video streaming. You would need some sort of >>> ReedSolomon codes for transmission through the air, though these would >>> not be necessary for TCP/IP transmission. >>> >>> I have read there is framing info. Is this part of MP3 so something >>> tacked on. >>> >>> What am trying to figure out if it is feasible to somehow scramble an >>> MP3 stream without carriers of it becoming alarmed. I wonder at what >>> stages it is possible to scramble, e.g. before compression, after >>> compression, Are there checksums at various levels of the protocol >>> that much be preserved? >> >