From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 67DBB4BA29 for ; Wed, 21 May 2025 15:17:00 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 79C4768D9FA; Wed, 21 May 2025 18:16:57 +0300 (EEST) Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 1CADB68CFC7 for ; Wed, 21 May 2025 18:16:51 +0300 (EEST) Received: by mail-wr1-f41.google.com with SMTP id ffacd0b85a97d-3a3798794d3so1736542f8f.1 for ; Wed, 21 May 2025 08:16:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1747840610; x=1748445410; darn=ffmpeg.org; h=content-transfer-encoding:in-reply-to:references:to:from :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=xjdx120dFPX3GygBMYEunpKoj7Cu2qGSRzqMWLmyRhc=; b=lO4/HURjuVHpqdJxWfAvSP7LkysaGEdcdoVeneqwQiCdYHJt8WOSmDUHWDDR8QcToZ FJxJ4R9x19dySFPm7nsyxsRIbDdWQHyIystk08MORjvGyrx+LnIPgkbSEn576DsaSbhB osgAMLeBcDGOQfQ+Gl71Aye7++RGPykSFO47Z/OhnKCf19IPyaJawCWIx7fBioOLDdmJ abGGBXgKpb3vtcTciBXXlquncXVNblNVL7IifRAMfF3/pKiV40KkgyK+36Alwi7GtMHm YWc9hfBjIKgLhXd0nHNf+V+7gHCGPbK/76cWhEWhhqUDLjb+TDSrsyH0kM55r7j3BDjh SNPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747840610; x=1748445410; h=content-transfer-encoding:in-reply-to:references:to:from :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=xjdx120dFPX3GygBMYEunpKoj7Cu2qGSRzqMWLmyRhc=; b=lDNbW3O90DFywdrKKOHyQnk3zIqFLKCAJ2oP1+gngGhGmtxfD8ks6aWOrPkpWbSx+o lTTilV6f9Lr7xNZc1JLDYY8ihvG2QJDz+Hp7DJuxkHqzsKTOG1N0woqT1gqXoCqLbBvl S18ia7H9t/7uH8/6zVwoAM1PCLYbthw+H5WFEU+wky+a4sVQmMq3yHQeJ5nm2wmlEgcL MDEnmz5wBVRq5I7KuogkYvguEvr4xnWE7s6a9L1iJWm/h8CaTH3+19Zw35+vc2zqCCcD MlcE77H1WVqFtARQaJ1a11Lq63ENlj3yMkL7dpsHO2HdODlXhgpmHE82DR4SBDTBZLsd SR9Q== X-Gm-Message-State: AOJu0YxlrPa9WzPlf7XCnB6hFl/HiU6gqGs00Cg+m+bBEhsG+xiOuG5x xoO+Yd69dVQSM2uVZUIlHzubRVPS48oO/AQDnn9NZfmN+XXl+vE/AKKlsgFaRQ== X-Gm-Gg: ASbGncttaopTdDj2gQtiy3pW+Z+k49Hk3gnVCCIqW24sTNhIPC2t60vUWWbtNdTo/qo nwSI84Er//EzBkd0nd9KapCzr8Ss3v7g6PtpQz+IHtG64vYsjgG5Qa5OphS2b1fOVsUHe6rBCMb DEmU2GTLDc9o9RtGS4i6ZyGHA7ZEPe40Sa35PPY1TyI/gnrEOwgy+L2Aa+ZRGNH5vtgwS1uubGV 6TeinDTzWiPZ8aw1bPgomnZ2jYINcov/8J9g5M7b/ebmUJxvdhrb6NwQ3WUotC8qY7wzYoQkU+L 4QBT5a6GPMU+irE26+NgweL/2KOJ365LQh8H5ckvOZzgCKG7nhg8H0SCkgI4rvGWAW9yI3AH6Xi XtP8JtYsvM9gmfkPAerqpqq0r0au8pEoSyg== X-Google-Smtp-Source: AGHT+IG8QO++/lobL1DGuCmCNbxvLz3EMCnHTmC9ScWEDk8BslJw9pYHrdPBljr1SlKO3i0obINiyg== X-Received: by 2002:a5d:64cc:0:b0:3a3:5ae4:6e9e with SMTP id ffacd0b85a97d-3a35c8092dcmr19755004f8f.1.1747840609884; Wed, 21 May 2025 08:16:49 -0700 (PDT) Received: from [192.168.1.106] (33bf1e4c.skybroadband.com. [51.191.30.76]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-447f3ce483bsm72129345e9.33.2025.05.21.08.16.49 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 May 2025 08:16:49 -0700 (PDT) Message-ID: Date: Wed, 21 May 2025 16:16:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-GB From: Derek Buitenhuis To: ffmpeg-devel@ffmpeg.org References: <20250521132300.32387-1-derek.buitenhuis@gmail.com> In-Reply-To: <20250521132300.32387-1-derek.buitenhuis@gmail.com> Subject: Re: [FFmpeg-devel] [PATCH v3] avformat/dhav: fix backward scanning for get_duration and optimize seeking 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 5/21/2025 2:23 PM, Derek Buitenhuis wrote: > This changes the scanning to check for the end tag 1 byte at a time > and buffers the last 1 MiB using ffio_ensure_seekback to avoid additional > seek operations. I removed the part about ffio_ensure_seekback locally. - Derek _______________________________________________ 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".