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{ "id": 22634, "url": "https://patchwork.libcamera.org/api/1.1/covers/22634/?format=api", "web_url": "https://patchwork.libcamera.org/cover/22634/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20250123140727.458567-1-dan.scally@ideasonboard.com>", "date": "2025-01-23T14:07:24", "name": "[v2,0/3] Add flicker mitigation controls to AgcMeanLuminance", "submitter": { "id": 156, "url": "https://patchwork.libcamera.org/api/1.1/people/156/?format=api", "name": "Dan Scally", "email": "dan.scally@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/22634/mbox/", "series": [ { "id": 4968, "url": "https://patchwork.libcamera.org/api/1.1/series/4968/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4968", "date": "2025-01-23T14:07:24", "name": "Add flicker mitigation controls to AgcMeanLuminance", "version": 2, "mbox": "https://patchwork.libcamera.org/series/4968/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/22634/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 63703BDE6B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 23 Jan 2025 14:07:48 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 724F26855B;\n\tThu, 23 Jan 2025 15:07:47 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8D1E761878\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 23 Jan 2025 15:07:45 +0100 (CET)", "from mail.ideasonboard.com\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id BDE6289A;\n\tThu, 23 Jan 2025 15:06:41 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"bGrGXLlr\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1737641201;\n\tbh=bC9ULQiz/qlkf83VYs2ziwvo7/0ltfsj901AxdQCJ+U=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=bGrGXLlr5jqyp0bBAckurmTHCvPgMEd6AZpg2ZwrQ5KL5bsDOPr8X9d+6+WIo2RvE\n\tYhO9jlrq8ww2M3vxhxOuE0Fho0NAJt1KvNg3zqVsuN+8HVLDAkfQlrNpGGn0q73G7u\n\tMDQXOip9v8AqPxKAV7EvRhVgMsA8ttXHoxap9D5c=", "From": "Daniel Scally <dan.scally@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Daniel Scally <dan.scally@ideasonboard.com>", "Subject": "[PATCH v2 0/3] Add flicker mitigation controls to AgcMeanLuminance", "Date": "Thu, 23 Jan 2025 14:07:24 +0000", "Message-Id": "<20250123140727.458567-1-dan.scally@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hello all\n\nThis short series adds flicker mitigation controls to each IPA that derives its\nAGC algorithm from AgcMeanLuminance. The mitigation works by adding\nAeFlickerMode and AeFlickerPeriod controls to AgcMeanLuminance - with the mode\nset to FlickerManual exposure time is capped at a multiple of AeFlickerPeriod,\nwith the reduction in exposure time offset by increases to analogue and digital\ngain.\n\nThe first patch is purely to make patch #3 slightly tidier; we have to add the\nnew function call to the algorithms queueRequest() function in the same commit\nas introducing the new controls or we end up with a commit where the IPAs are\nadvertising a control they don't actually support.\n\nThanks\nDan\n\nDaniel Scally (3):\n ipa: ipu3: Add skeleton Agc::queueRequest() function\n ipa: libipa: Adjust for flicker in ExposureModeHelper\n ipa: libipa: Add flicker controls to AgcMeanLuminance\n\n src/ipa/ipu3/algorithms/agc.cpp | 11 ++++++\n src/ipa/ipu3/algorithms/agc.h | 3 ++\n src/ipa/libipa/agc_mean_luminance.cpp | 48 ++++++++++++++++++++++++-\n src/ipa/libipa/agc_mean_luminance.h | 5 +++\n src/ipa/libipa/exposure_mode_helper.cpp | 37 ++++++++++++++++---\n src/ipa/libipa/exposure_mode_helper.h | 6 +++-\n src/ipa/mali-c55/algorithms/agc.cpp | 2 ++\n src/ipa/rkisp1/algorithms/agc.cpp | 2 ++\n 8 files changed, 108 insertions(+), 6 deletions(-)" }