From bluesky-dev-return-302-apmail-incubator-bluesky-dev-archive=incubator.apache.org@incubator.apache.org Thu Sep 25 01:00:43 2008 Return-Path: Delivered-To: apmail-incubator-bluesky-dev-archive@locus.apache.org Received: (qmail 66663 invoked from network); 25 Sep 2008 01:00:43 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 25 Sep 2008 01:00:43 -0000 Received: (qmail 24029 invoked by uid 500); 25 Sep 2008 01:00:40 -0000 Delivered-To: apmail-incubator-bluesky-dev-archive@incubator.apache.org Received: (qmail 24020 invoked by uid 500); 25 Sep 2008 01:00:40 -0000 Mailing-List: contact bluesky-dev-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: bluesky-dev@incubator.apache.org Delivered-To: mailing list bluesky-dev@incubator.apache.org Received: (qmail 24009 invoked by uid 99); 25 Sep 2008 01:00:40 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 24 Sep 2008 18:00:40 -0700 X-ASF-Spam-Status: No, hits=2.0 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of t.peng.dev@gmail.com designates 209.85.142.187 as permitted sender) Received: from [209.85.142.187] (HELO ti-out-0910.google.com) (209.85.142.187) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Sep 2008 00:59:38 +0000 Received: by ti-out-0910.google.com with SMTP id w7so60634tib.6 for ; Wed, 24 Sep 2008 17:59:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type:references; bh=QihuqpwqD8z1bGUANAhs97FzXebyRvmecKM1XxzLej8=; b=QK0UBLpd/VrBpXHTfZeh/i8PqFAqZrmOmYC1EQiTAnRFb9n2fE0NOxs4a+Wx+8uZGQ pcM8CEPSHhJlJNd4sv3JNQWWvtZ0UlPPxEahLq3aaY4FMKjQ/yyvs4HUt9muq+4TPgNT o5WZ9Wk2zPSxRtlQHkBeuQH0VqIGENL8xETGs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:references; b=HO8Wei7xv33/7PzcJMm/9vfuwa62RPxBxzd/Ypftao+2SAzqOEeXSc+d5QHKPoOBLP sMHsmSmcb9RUavAIPzKZ6egA88Qc5YqD+gXiOqIvQ0Oq7Q4IvluYedGXSLtNTGJiC2pS WpgDbiB5Wly/R6RSC2IIXxYDuy5CvEC0tbln8= Received: by 10.110.2.2 with SMTP id 2mr10505375tib.31.1222304392743; Wed, 24 Sep 2008 17:59:52 -0700 (PDT) Received: by 10.110.53.16 with HTTP; Wed, 24 Sep 2008 17:59:52 -0700 (PDT) Message-ID: Date: Thu, 25 Sep 2008 08:59:52 +0800 From: "Ting Peng" To: bluesky-dev@incubator.apache.org Subject: Re: The struct of Bluesky! In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_19397_32857766.1222304392727" References: X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_19397_32857766.1222304392727 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline To my knowledge, ffmpeg can be compiled under LGPL. You can select this option during configuration of compile. That means we can use ffmpeg, for LGPLed ffmpeg is enough for us. On Tue, Sep 23, 2008 at 9:43 AM, chen hecky wrote: > Dear all! > Bluesky is made up of two parts ------ Real Class System(RCS) and > MERSMP(MERSMP is a massive resources of sharing and management platform). > > The RCS. RCS is distance education (or distance learning) system. > It is made up of four modules -------Teacher Client, Student Client, > TServer(Real Class Center) and DTU(Date Transmit Unit). I want to > introduce > the module of Teacher to you. > > The Teacher Client It is the teacher's console, and provides > real-time video, audio, text and electronic lesson plans what the teacher > is > teaching on the screen to students. During communicating with the student, > it also can receive the real-time video and audio information from the > students. Because there are audio and video communicating function in this > module, the lib of ffmpeg is included in Teacher Client source code. > However, FFmpeg incorporates several optional modules that are covered by > the GUN GPL(http://ffmpeg.mplayerhq.hu/legal.html). So how to deal with > the > license of ffmpeg or replace ffmpeg is the first and foremost problem in > Teacher Client source code. > -- > Hecky @ Bluesky Dev Team XJTU > -- Best regards! Ting Peng (t.peng.dev@gmail.com) [CN] +86-137-721-59621 ------=_Part_19397_32857766.1222304392727--