From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laura Lazzati Subject: Re: Video narration Date: Wed, 1 May 2019 11:05:19 -0300 Message-ID: References: <660de50483d54150fa1ca67ebd0cae886d0ffcbe.camel@tourbillion-technology.com> <52a3d40df1ee349f48e7ecd79756e9307cbae034.camel@tourbillion-technology.com> <5893d6b8dc2dd4ed1cdcab3e109ce655d82bc493.camel@tourbillion-technology.com> <6f60665f899c24133818106831f378f087b9d405.camel@tourbillion-technology.com> <808a07682b858d44b1e48c69fd98fcb770837789.camel@tourbillion-technology.com> <0f4db135b01c57d8ab2fbf6721587664507dcefc.camel@tourbillion-technology.com> <3f393bb53fa8d04c0e9ae33df1eeadaf864940d5.camel@tourbillion-technology.com> <3ce59ef3d1e63fbc743ae0b71f317ef5916e0ccf.camel@tourbillion-technology.com> <87ef6g1e4k.fsf@elephly.net> <0b31a2364a97f26bbea1fed9e3390a2a526d6c77.camel@tourbillion-technology.com> <30bca313b07d1dc65c73d2e2c4d0e8907144081d.camel@tourbillion-technology.com> <4945ad6d7434cba7dc65e33ef97a4185a4e4a266.camel@tourbillion-technology.com> <59ab26112bb25301e6382e469734d11227c3ff06.camel@tourbillion-technology.com> <131ffa7aacc4db6acbd3e35f84079326096ac35c.camel@tourbillion-technology.com> <99cb429102f8ae64ad711edeb3c1f5256204e4bc.camel@tourbillion-technology.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Received: from eggs.gnu.org ([209.51.188.92]:46978) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLps1-00059w-DC for guix-devel@gnu.org; Wed, 01 May 2019 10:06:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hLpry-0007vq-8F for guix-devel@gnu.org; Wed, 01 May 2019 10:06:01 -0400 In-Reply-To: List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Paul Garlick Cc: Guix-devel Hi Paul! > Thank you for testing. The results are different from my system. You are welcome :) I like testing (and trying to break) stuff - I wished this worked well though :/ > > I think we are seeing a difference between wall-clock time and cpu > time. In the screen file I can see there is a snap! procedure that > writes a frame to disk after each interval. It looks as if the disk > i/o is interrupting the sleep counter and introducing a delay that > depends on the system activity. > > We may need to change tack to get accurate time delays. One thought is > to replace the timer with a 'repeat' procedure that repeats the > previous frame. If we know the sleep duration, s, and the interval, i, > we can calculate the number of repeats, N, needed: > > N = s / i > > This method would be unaffected by disk write times or rounding errors. I understand the issue. I definitely HAVE TO learn Guile. During the internship -and now- I am able to understand what the code is doing and change it a little bit, or set the configuration of the distro for instance, but I don't know to write from scratch :/ While writing this I am opening a tutorial :) Regards :) Laura