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{ "id": 10511, "url": "https://patchwork.libcamera.org/api/1.1/covers/10511/?format=api", "web_url": "https://patchwork.libcamera.org/cover/10511/", "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": "<20201126145005.8838-1-david.plowman@raspberrypi.com>", "date": "2020-11-26T14:50:03", "name": "[libcamera-devel,v2,0/2] Digital gain control", "submitter": { "id": 42, "url": "https://patchwork.libcamera.org/api/1.1/people/42/?format=api", "name": "David Plowman", "email": "david.plowman@raspberrypi.com" }, "mbox": "https://patchwork.libcamera.org/cover/10511/mbox/", "series": [ { "id": 1485, "url": "https://patchwork.libcamera.org/api/1.1/series/1485/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1485", "date": "2020-11-26T14:50:03", "name": "Digital gain control", "version": 2, "mbox": "https://patchwork.libcamera.org/series/1485/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/10511/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 0FA25BE08A\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 26 Nov 2020 14:50:11 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6684363477;\n\tThu, 26 Nov 2020 15:50:10 +0100 (CET)", "from mail-ed1-x533.google.com (mail-ed1-x533.google.com\n\t[IPv6:2a00:1450:4864:20::533])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A223563469\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 26 Nov 2020 15:50:08 +0100 (CET)", "by mail-ed1-x533.google.com with SMTP id l5so2534359edq.11\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 26 Nov 2020 06:50:08 -0800 (PST)", "from pi4-davidp.lan (plowpeople3.plus.com. [80.229.223.72])\n\tby smtp.gmail.com with ESMTPSA id\n\tcw26sm3249359ejb.47.2020.11.26.06.50.06\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 26 Nov 2020 06:50:07 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=raspberrypi.com header.i=@raspberrypi.com\n\theader.b=\"kgIo31ig\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=raspberrypi.com; s=google;\n\th=from:to:cc:subject:date:message-id:mime-version\n\t:content-transfer-encoding;\n\tbh=cjGBcaIMK2lLzJbkoT0YI5N7RryRivSacoNXGCVqb4U=;\n\tb=kgIo31ig+GK2BWPqA4g7RYwC3vnSMvSf/MlbSaw1TrEiIQ+XQuiVfZIyn+YeJjvC+6\n\trMK5jWHbmRYA/Pi7an3Xl0XtA3pCN8t3CJjV0Iosy+Pcyd60nDBVD6gQH0r+UrNwDBQS\n\tQqHRt9auprJ46IuXwfkPl0TnSt2ByG/ar0OjJror1M2oMksWKbVVDvYtsuFrTgntpyPj\n\tYfV0xB4KFBd2D2LvjHL9t/pOPKhfZssIqpItLCBh8iMNeWWK6fGY+1d99JCaTgAGboDb\n\t/9b4nDPeK9FR9kKA0U0V3IgRknoL41IoyGKAX/PmUPw2ZxNAt5uGxogiqczCVLW7jDx/\n\tgqdw==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version\n\t:content-transfer-encoding;\n\tbh=cjGBcaIMK2lLzJbkoT0YI5N7RryRivSacoNXGCVqb4U=;\n\tb=egGXFPm3zXaQJppoaeGqdHwnISsRoqh5wMCK8alJ/tq86LocOKw/zk60wmJf2FGtwQ\n\tpqSCOq4DmeuC1gGAqJeRuLGqjznFFGn4V3vJIJlEmIn73CzLagwyEdVMqNNdxe/sbhLe\n\tMLdlX7csez7HYq6GbRIhc6Y5Pm2Z97bayJAoYvTIvRxpLjIA3ZSvnb75YMFfYZUkA6X9\n\tCPx1rFJlbduT0AGDsPC/3MjHxQGoelKdBloQaq+8gK9Nrdhf4Dt/nXeDnpzjsVKinC4I\n\tisgUv/RmIQrM2zG484ROoaf2MvhmckXKKODKxIpjdiQNUZi9qwoBIBXR/ZckMWAC5qhb\n\tDDoA==", "X-Gm-Message-State": "AOAM532nypXe0XDUEJ/dtuAZsajqTdz9NAFF4QCyYwcuCZN6uJFpZLZm\n\t03YsNDBB8gDfkx93djbW5Al/sbszO26AiRbL", "X-Google-Smtp-Source": "ABdhPJzm95Ult0fYeMuq/ekseX1HYID9MuFyzyrTsKlVLFRfH6P0Yr4hI/dTYRT6uOwUHtRswj5K0A==", "X-Received": "by 2002:a05:6402:1389:: with SMTP id\n\tb9mr2940664edv.178.1606402207617; \n\tThu, 26 Nov 2020 06:50:07 -0800 (PST)", "From": "David Plowman <david.plowman@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Thu, 26 Nov 2020 14:50:03 +0000", "Message-Id": "<20201126145005.8838-1-david.plowman@raspberrypi.com>", "X-Mailer": "git-send-email 2.20.1", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v2 0/2] Digital gain control", "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": "Hi everyone\n\nHere (after much talking ourselves in circles!) is a second version of\nthe digital gain control. I've taken Jacopo's text for the control\ndescription, and added a second patch that makes use of the control in\nthe Raspberry Pi IPAs to add the digital gain to the metadata.\n\nThis second patch doesn't really tell you very much. In our libcamera\nversion of raspistill (still image capture app) there will be a line\nlike this:\n\n iso *= metadata.get<float>(controls::DigitalGain);\n\nand that's about it!\n\nBest regards\nDavid\n\nDavid Plowman (2):\n libcamera: controls: Add DigitalGain control\n src: ipa: raspberrypi: Add digital gain to libcamera metadata\n\n src/ipa/raspberrypi/raspberrypi.cpp | 4 +++-\n src/libcamera/control_ids.yaml | 17 +++++++++++++++++\n 2 files changed, 20 insertions(+), 1 deletion(-)" }