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{ "id": 15452, "url": "https://patchwork.libcamera.org/api/covers/15452/?format=api", "web_url": "https://patchwork.libcamera.org/cover/15452/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20220315175345.479951-1-kieran.bingham@ideasonboard.com>", "date": "2022-03-15T17:53:42", "name": "[libcamera-devel,0/3] ipa: ipu3: af: Small improvements", "submitter": { "id": 97, "url": "https://patchwork.libcamera.org/api/people/97/?format=api", "name": "Nicolas Dufresne via libcamera-devel", "email": "libcamera-devel@lists.libcamera.org" }, "mbox": "https://patchwork.libcamera.org/cover/15452/mbox/", "series": [ { "id": 2964, "url": "https://patchwork.libcamera.org/api/series/2964/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2964", "date": "2022-03-15T17:53:42", "name": "ipa: ipu3: af: Small improvements", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2964/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/15452/comments/", "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id B3B66BDE17\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 15 Mar 2022 17:53:55 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DC5CF632E3;\n\tTue, 15 Mar 2022 18:53:54 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 937B7604DA\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 15 Mar 2022 18:53:53 +0100 (CET)", "from Monstersaurus.ksquared.org.uk.beta.tailscale.net\n\t(cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net [86.31.172.11])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 151401BBB;\n\tTue, 15 Mar 2022 18:53:53 +0100 (CET)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"MFV/HUvH\"; dkim-atps=neutral", "To": "libcamera devel <libcamera-devel@lists.libcamera.org>", "Date": "Tue, 15 Mar 2022 17:53:42 +0000", "Message-Id": "<20220315175345.479951-1-kieran.bingham@ideasonboard.com>", "X-Mailer": "git-send-email 2.32.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/3] ipa: ipu3: af: Small improvements", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Kieran Bingham via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Kieran Bingham <kieran.bingham@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Following review of the IPU3 Af implementation, the following additional\nimprovements were identified.\n\nNo functional change to the running of the algorithm is intended or\nexpected, though this does remove a memcpy, and hopefully make it easier\nto use custom ROI's and return the AF regions in later developments.\n\nKieran Bingham (3):\n ipa: ipu3: af: Move constants to implementation\n ipa: ipu3: af: Use geometry classes to perform grid centering\n ipa: ipu3: af: Remove redundant memcpy\n\n src/ipa/ipu3/algorithms/af.cpp | 109 +++++++++++++--------------------\n src/ipa/ipu3/algorithms/af.h | 13 +---\n 2 files changed, 43 insertions(+), 79 deletions(-)" }