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{ "id": 22786, "url": "https://patchwork.libcamera.org/api/covers/22786/?format=api", "web_url": "https://patchwork.libcamera.org/cover/22786/", "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": "<20250217100203.297894-1-stefan.klug@ideasonboard.com>", "date": "2025-02-17T10:01:41", "name": "[00/10] Some rkisp1 awb improvements", "submitter": { "id": 184, "url": "https://patchwork.libcamera.org/api/people/184/?format=api", "name": "Stefan Klug", "email": "stefan.klug@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/22786/mbox/", "series": [ { "id": 5005, "url": "https://patchwork.libcamera.org/api/series/5005/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5005", "date": "2025-02-17T10:01:41", "name": "Some rkisp1 awb improvements", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5005/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/22786/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 611FEC327D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 17 Feb 2025 10:02:12 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id CB86968663;\n\tMon, 17 Feb 2025 11:02:10 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 9DAEA61861\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 17 Feb 2025 11:02:08 +0100 (CET)", "from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:b47f:e20a:c4c7:ece1])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0A1CC842;\n\tMon, 17 Feb 2025 11:00:47 +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=\"RuQoPPMx\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1739786447;\n\tbh=AEwgTQ1phUWZvwoaEQmmGQ+aDygngV9x4kJv+WIvUVg=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=RuQoPPMxApick2eNAIj/8ejtcv00CwmbfwigugGXv0cBZGGY8XXAwDCJcVlxbtN6G\n\tRdifs5VzRunLLyj37mlWTVF95XsFulaILvoll1T16dqJ8FzrEgdpNtFMLNqhiRH+96\n\tie36T/HaD4G7wnPnvsfMGoCXJ7P/LOq8vc/DhR5A=", "From": "Stefan Klug <stefan.klug@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>", "Subject": "[PATCH 00/10] Some rkisp1 awb improvements", "Date": "Mon, 17 Feb 2025 11:01:41 +0100", "Message-ID": "<20250217100203.297894-1-stefan.klug@ideasonboard.com>", "X-Mailer": "git-send-email 2.43.0", "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": "Hi all,\n\nThis series contains a few fixes that greatly improve and stabilize the\nAWB handling on rkisp1.\n\nPatches 1-3 add utility functions to Vector and Matrix.\n\nThe rest fixes some bugs and generally improves the AWB on rkisp1.\nPlease see the individual patches for details.\n\nBest regards,\nStefan\n\nStefan Klug (10):\n libcamera: matrix: Add cast function\n libcamera: vector: Add cast function\n libcamera: matrix: Add inverse() function\n ipa: rkisp1: Refactor automatic/manual structure in IPAActiveState\n ipa: rkisp: ccm/lsc: Fix CCM/LSC based on manual color temperature\n ipa: rkisp1: awb: Use gains from color temperature curve\n ipa: rkisp1: Damp color temperature regulation\n ipa: rkisp: awb: Set rgb mean limits to 180\n ipa: rkisp1: awb: Take the CCM into account for the AWB gains\n calculation\n ipa: rkisp1: awb: Avoid division by zero\n\n include/libcamera/internal/matrix.h | 35 ++++++++++++++++\n include/libcamera/internal/vector.h | 9 +++++\n src/ipa/rkisp1/algorithms/awb.cpp | 62 ++++++++++++++++++-----------\n src/ipa/rkisp1/algorithms/ccm.cpp | 2 +-\n src/ipa/rkisp1/algorithms/lsc.cpp | 6 +--\n src/ipa/rkisp1/ipa_context.h | 12 ++++--\n src/libcamera/matrix.cpp | 20 ++++++++++\n src/libcamera/vector.cpp | 10 +++++\n 8 files changed, 124 insertions(+), 32 deletions(-)" }