From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: excessively slow image animation Date: Wed, 13 Feb 2019 18:03:51 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="112591"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Evgeny Zajcev Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Feb 13 18:09:54 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gty2i-000TAM-Ms for ged-emacs-devel@m.gmane.org; Wed, 13 Feb 2019 18:09:52 +0100 Original-Received: from localhost ([127.0.0.1]:60480 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gty2h-0002z1-HL for ged-emacs-devel@m.gmane.org; Wed, 13 Feb 2019 12:09:51 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52321) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gtxx1-00079N-Os for emacs-devel@gnu.org; Wed, 13 Feb 2019 12:04:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gtxx0-00088a-Hh for emacs-devel@gnu.org; Wed, 13 Feb 2019 12:03:59 -0500 Original-Received: from quimby.gnus.org ([80.91.231.51]:42582) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gtxx0-000847-62 for emacs-devel@gnu.org; Wed, 13 Feb 2019 12:03:58 -0500 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=stories) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1gtxwu-0005SO-23; Wed, 13 Feb 2019 18:03:54 +0100 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAElBMVEVHKw2sj1wqFQRaOxUN AgATBgE7mbMHAAACYUlEQVQ4jW2UTZOjIBCGiWzuIuVdm3gHerynMnB3gP7/f2WbNs7sbq2mUqaf 6vftD6Jy5v+XokUplCtIwMqzVyoRaWND1IjqJqEbgIugUqayE0XPv7QOhlkEtzFIuW5EYQCFDAcA QIgCUi0Lsor3e1k5DusQQcCNLUMjSzs5KEwsnIAt6GbdlB/kSWPXEpD3RK1qrvOgmVgFRjN28Hwc xmD7nJ9+31/BBa5r7eCzpUrWVu3n+ddzLH7VsEQGldqn22vc3Rjbc6YJub+BwYrGjCn7lKxuX1Px E0yneUr8/ZpSCrXhqo2U1cvlglkwpmYqzCVwXSucs8ofOeG6ueDDgzRoWBcB9+Mju/0w9nW3G496 PAFvo1IYWyZKGWijMjHgqjbEL3Nv1Lh/hq0D5O2lF+r6YCPiWRApVBEDL5AzKpfgvXPB4r1E1Mqh 6uBefNXo9a0vHHbEDRYBvFEFblnkLMShLBdIDfyAwyFnZGJNPggn4KbR36sVMGAfxwlyjYvfD5Gy 3qkfcG95+yhoDd995csbtMZjaYvpWpbondAz+CxQWwWYf0DuIEhGeSsxIMmoRkuHVwKPvU8uM+hS 02V9ZbRcpMFZlPyZwfHCn4ACrgQlCX3goZvv3UH7Pl4ptsBGtw7Euv+H/JlBDGr3GBYB31JdS9yt EuAvc9YC6psy/pTCq1w2KdK5qCj9PSsGssLJSNz/gOLlTTAj/tUHwYE892Bmf/pf5kd0dggjZ8Rg 7R8AB2esnoKZ+BVg8DoM6cCNa1UTV7X2Afg3yM5vYGydeoyNzNhBaekVobCUG3us76uD34mCtj0/ AGWDAAAAAElFTkSuQmCC In-Reply-To: (Evgeny Zajcev's message of "Wed, 13 Feb 2019 17:39:38 +0300") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 80.91.231.51 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:233282 Archived-At: Evgeny Zajcev writes: > I've got multi frame image at http://lgarc.narod.ru/giphy.mp4 > > And run next code on it: > > (let ((ctime (float-time))) > (setq img (create-image "~/tmp/giphy.mp4" 'imagemagick nil :scale 1.0)) > (insert-image img) > (cl-dotimes (index 65) > (image-show-frame img index 'nocheck) > (sit-for 0.0)) > (- (float-time) ctime)) > ==> 18.788017988204956 > > 18 seconds to show every frame Wow, that's slow... [...] > Now I use method with bmp files. I would like to use built in `:index' image > property to animate images, however current animation speed is totally not > acceptable. Can this be fixed, or am I doing something wrong? If I remember correctly, I was the one that added the :index support for imagemagick images in Emacs. It's quite likely that I was using non-optimal ways to do the animation and that imagemagick has better and faster ways of doing the computation. Have a look at imagemagick_compute_animated_image in image.c and rewrite to be faster. :-) -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no