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{ "id": 11366, "url": "https://patchwork.libcamera.org/api/1.1/covers/11366/?format=api", "web_url": "https://patchwork.libcamera.org/cover/11366/", "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": "<20210223164041.49932-1-jeanmichel.hautbois@ideasonboard.com>", "date": "2021-02-23T16:40:38", "name": "[libcamera-devel,RFC,v2,0/3] Implement IPA algorithms and demo with IPU3", "submitter": { "id": 75, "url": "https://patchwork.libcamera.org/api/1.1/people/75/?format=api", "name": "Jean-Michel Hautbois", "email": "jeanmichel.hautbois@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/11366/mbox/", "series": [ { "id": 1722, "url": "https://patchwork.libcamera.org/api/1.1/series/1722/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1722", "date": "2021-02-23T16:40:38", "name": "Implement IPA algorithms and demo with IPU3", "version": 2, "mbox": "https://patchwork.libcamera.org/series/1722/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/11366/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 A0A85BD1F1\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 23 Feb 2021 16:40:46 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id F091668A3B;\n\tTue, 23 Feb 2021 17:40:45 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A695B689DD\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 23 Feb 2021 17:40:43 +0100 (CET)", "from localhost.localdomain (unknown\n\t[IPv6:2a01:e0a:169:7140:d7c9:eb3:c460:c24a])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 3121E58E;\n\tTue, 23 Feb 2021 17:40:43 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"NJPJV186\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1614098443;\n\tbh=ggMjxDMsGkf9DtgTp2noNv6g3UtpPIaFjPg1JLmmZjw=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=NJPJV186WdaiW0XJnGXsEb5GiRD0WSmr5LsFysRmpcG/mKtKgVY8/Og/osWf5QkSY\n\tftUfdUUl66wtcaAY5yaDZlnR3FUQy8AUa4l1lCVa4QRSbBQQnaN0Ymw1uFbDfyEtC7\n\tGiY/x9+EVhdI3EaXL31sPjStoohXuTMsPW9Wprmo=", "From": "Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 23 Feb 2021 17:40:38 +0100", "Message-Id": "<20210223164041.49932-1-jeanmichel.hautbois@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [RFC PATCH v2 0/3] Implement IPA algorithms and\n\tdemo with IPU3", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "This RFC is really meant to start discussions.\nIt demonstrates on IPU3 a conjunction of automatic exposure (AGC)\nand automatic white balance (AWB).\n\nThe skeleton are extracted from RPi controller and probably subject to\nmodifications and discussions :\n- are the mandatory methods really those ?\n- how to exchange data between algorithms ?\n - metadata like RPi?\n - IPC ?\n - public methods?\n - controller API ?\n- is the controller needed at all ?\n\nThe implementation in IPU3 is tested on SGo2.\nIt is not perfect but shows a really better behaviour than default ;-).\n\nIn this v2:\n- splits AWB and AEC/AGC algorithms.\n- remove unused Controller\n- remove unused variables/methods\n- rename most of the class members\n\nJean-Michel Hautbois (3):\n WIP: ipa: Add a common interface for algorithm objects\n WIP: ipa: ipu3: Add support for IPU3 AWB algorithm\n WIP: ipa: ipu3: Add support for IPU3 AEC/AGC algorithm\n\n src/ipa/ipu3/ipu3.cpp | 34 ++++--\n src/ipa/ipu3/ipu3_agc.cpp | 171 ++++++++++++++++++++++++++++++\n src/ipa/ipu3/ipu3_agc.h | 62 +++++++++++\n src/ipa/ipu3/ipu3_awb.cpp | 199 +++++++++++++++++++++++++++++++++++\n src/ipa/ipu3/ipu3_awb.h | 47 +++++++++\n src/ipa/ipu3/meson.build | 8 +-\n src/ipa/libipa/algorithm.cpp | 25 +++++\n src/ipa/libipa/algorithm.h | 29 +++++\n src/ipa/libipa/meson.build | 4 +-\n 9 files changed, 569 insertions(+), 10 deletions(-)\n create mode 100644 src/ipa/ipu3/ipu3_agc.cpp\n create mode 100644 src/ipa/ipu3/ipu3_agc.h\n create mode 100644 src/ipa/ipu3/ipu3_awb.cpp\n create mode 100644 src/ipa/ipu3/ipu3_awb.h\n create mode 100644 src/ipa/libipa/algorithm.cpp\n create mode 100644 src/ipa/libipa/algorithm.h" }