From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 1F9504016C for ; Thu, 3 Nov 2022 15:07:49 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id EB98668BF73; Thu, 3 Nov 2022 17:07:46 +0200 (EET) Received: from mail-il1-f179.google.com (mail-il1-f179.google.com [209.85.166.179]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id EB60768BF72 for ; Thu, 3 Nov 2022 17:07:39 +0200 (EET) Received: by mail-il1-f179.google.com with SMTP id o13so1185733ilc.7 for ; Thu, 03 Nov 2022 08:07:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=jL7hDhHAewXdyQhD4LVagamwJphojEbMOXCAZP0yUtQ=; b=laKY/yoBKf5LJ1oOfMXxTkPaO/FAT9H0yGEdll5KPPW6QrInJ/kOsaGuyRjXF7Orz2 AVc4TzP/7F6MTQSs7oksf6jiyzEd4GFV9dqObNG9fUsEyOzxihMrEiWFBYc/UdhaFmIR 8vstc0wJE7964KE3f4IjWo6SfhOYS/t/1MTGxGR60i5vGR1SxvciIAueBw+iKzAWIChJ gx0BS9YqX+2UVXUnitm+3HPZhYnrDBYPaLzX85QRGqjVydb+sZbPFzDrcCYaMQbLFM+W k1rHCdftPz616ShMSLOeTmh4PYXrs0UMn481/7qTW+YC6DzXTolO8h9rFWn4h++2Uzev YW/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jL7hDhHAewXdyQhD4LVagamwJphojEbMOXCAZP0yUtQ=; b=KDWvh80AwkCWK7HDnJqGJWoO5fFCvYMvIWi1P5jQM2DXmdeoSTMUsShIhMuW3YmcBa gz29935gLFcuOTh3hkTSY1Cta00gX0GkJnPQwsARi5OxqlCZYADiZ04/wxK+e69YoJDA kjTKP5qfNHvEOwmlgqDUGio0n4xgVa3BolItFpHt9nAGZV3ZNK8iDxPa1p56B8xEeOlW lJAAeRRke5cdgeiigCbCWqZP1JOeksujvhmyxtHefRCymDNVbSDz0UaZAPaq3QdGLjtk y0QeEST7IktinDaRrEUJ65BBeq0Bpca986GjGmp9VKEtTtWN3JWxSf32GgoF5mNQHKmd Qxsg== X-Gm-Message-State: ACrzQf2wjNJ6zhrtYDgZDbhL8h292JnPjdB/r1HGf8K8en6r6Rdn7Bei ClKu9C9z0DoBHOEDqVbPd4p7A5phBKc= X-Google-Smtp-Source: AMsMyM6JFUoZkBGF4AqTkC99vWn9Tz32xxaz/zxDlka7X+Mf/T2/i/U57pOd8vYESRZl6MALPtRmBw== X-Received: by 2002:a05:6e02:c8d:b0:300:d6bf:7050 with SMTP id b13-20020a056e020c8d00b00300d6bf7050mr2834912ile.76.1667488058178; Thu, 03 Nov 2022 08:07:38 -0700 (PDT) Received: from [192.168.1.35] (c-68-41-54-207.hsd1.mi.comcast.net. [68.41.54.207]) by smtp.gmail.com with ESMTPSA id m8-20020a92d708000000b002e939413e83sm391003iln.48.2022.11.03.08.07.37 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Nov 2022 08:07:37 -0700 (PDT) Message-ID: <9c9af8ff-0460-4357-4264-9804aed2cc63@gmail.com> Date: Thu, 3 Nov 2022 11:07:36 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 Content-Language: en-US-large To: ffmpeg-devel@ffmpeg.org References: <2b7f9605-518a-4cda-6503-7842f22fa620@das-werkstatt.com> <20221026191302.GG4048598@pb2> <406a2b30-c7ac-c0fd-4354-61aa9791758d@gmail.com> From: Leo Izen In-Reply-To: Subject: Re: [FFmpeg-devel] FFV1 slicecrc: "hashxx" instead of "CRC" for speed? X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 11/3/22 09:19, Nicolas George wrote: > Leo Izen (12022-11-03): >> I'm a bit confused here, aren't there only 255 one-byte changes in the first >> place? The 256th is when the byte remains unchanged. > > Most data is made of more than one byte. > Ah, so it's on average 255 out of every 256 one-byte changes across the entire bitstream, got it. Thanks. - Leo Izen (thebombzen) _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".