IETF Logo Mail Archive

Re: [Cellar] FFV1 Version 4

Reto Kromer <lists@reto.ch> Thu, 07 January 2016 18:19 UTC

Return-Path: <lists@reto.ch>
X-Original-To: cellar@ietfa.amsl.com
Delivered-To: cellar@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E09141A9173 for <cellar@ietfa.amsl.com>; Thu, 7 Jan 2016 10:19:47 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0.367
X-Spam-Level:
X-Spam-Status: No, score=0.367 tagged_above=-999 required=5 tests=[BAYES_05=-0.5, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, XPRIO=1.568] autolearn=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 68HWhbeQX2kq for <cellar@ietfa.amsl.com>; Thu, 7 Jan 2016 10:19:45 -0800 (PST)
Received: from smtp-sh.infomaniak.ch (smtp-sh.infomaniak.ch [128.65.195.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7187B1A9231 for <cellar@ietf.org>; Thu, 7 Jan 2016 10:19:45 -0800 (PST)
Received: from smtp4.infomaniak.ch (smtp4.infomaniak.ch [84.16.68.92]) by smtp-sh.infomaniak.ch (8.14.5/8.14.5) with ESMTP id u07IJhKc010211 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for <cellar@ietf.org>; Thu, 7 Jan 2016 19:19:43 +0100
Received: from Castor.local (85-218-38-132.dclient.lsne.ch [85.218.38.132]) (authenticated bits=0) by smtp4.infomaniak.ch (8.14.5/8.14.5) with ESMTP id u07IJgXu012208 for <cellar@ietf.org>; Thu, 7 Jan 2016 19:19:42 +0100
Date: Thu, 07 Jan 2016 19:19:43 +0100
From: Reto Kromer <lists@reto.ch>
To: cellar@ietf.org
X-Priority: 3
Message-ID: <r470Ps-10112i-45FD2AC2DA854201B78A205DECA15312@Castor.local>
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Mailer: Mailsmith 2.4 (470)
X-Antivirus: Dr.Web (R) for Unix mail servers drweb plugin ver.6.0.2.8
X-Antivirus-Code: 0x100000
Archived-At: <http://mailarchive.ietf.org/arch/msg/cellar/-99wUq2dktRnaPgvWVUmW8Cq-HQ>
Subject: Re: [Cellar] FFV1 Version 4
X-BeenThere: cellar@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Codec Encoding for LossLess Archiving and Realtime transmission <cellar.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/cellar>, <mailto:cellar-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/cellar/>
List-Post: <mailto:cellar@ietf.org>
List-Help: <mailto:cellar-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/cellar>, <mailto:cellar-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 07 Jan 2016 18:19:48 -0000

Peter B. wrote:

>I'm not too experienced with non-linear color encoding, but
>in a recent presentation by Reto Kromer, he mentioned that
>"logarithmic" often just means "logarithmic-ish".

It's usually called quasi-log. Apart from the toe and
shoulder region, the curve is non-linear, yet no clear
provision is made for foot-room and head-room.

Best regards, Reto


AV Preservation by reto.ch
chemin du Suchet 5 | 1024 Ecublens | Switzerland
Web: http://reto.ch | Twitter: @retoch

v2.23.0 | Report a Bug | By Email