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{ "id": 8436, "url": "https://patchwork.libcamera.org/api/1.1/covers/8436/?format=api", "web_url": "https://patchwork.libcamera.org/cover/8436/", "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": "<20200626102531.1187650-1-naush@raspberrypi.com>", "date": "2020-06-26T10:25:27", "name": "[libcamera-devel,0/4] Focus feedback control", "submitter": { "id": 34, "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api", "name": "Naushir Patuck", "email": "naush@raspberrypi.com" }, "mbox": "https://patchwork.libcamera.org/cover/8436/mbox/", "series": [ { "id": 1044, "url": "https://patchwork.libcamera.org/api/1.1/series/1044/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1044", "date": "2020-06-26T10:25:27", "name": "Focus feedback control", "version": 1, "mbox": "https://patchwork.libcamera.org/series/1044/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/8436/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 ECD2FC0109\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 26 Jun 2020 10:25:49 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 78288609C6;\n\tFri, 26 Jun 2020 12:25:49 +0200 (CEST)", "from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com\n\t[IPv6:2a00:1450:4864:20::32d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 865FC609A3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 Jun 2020 12:25:48 +0200 (CEST)", "by mail-wm1-x32d.google.com with SMTP id l17so8357654wmj.0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 Jun 2020 03:25:48 -0700 (PDT)", "from naushir-VirtualBox.patuck.local ([88.97.76.4])\n\tby smtp.gmail.com with ESMTPSA id\n\tr8sm21959679wrp.40.2020.06.26.03.25.46\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 26 Jun 2020 03:25:47 -0700 (PDT)" ], "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=\"CEWTGL/C\"; 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\n\tFri, 26 Jun 2020 03:25:47 -0700 (PDT)", "From": "Naushir Patuck <naush@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 26 Jun 2020 11:25:27 +0100", "Message-Id": "<20200626102531.1187650-1-naush@raspberrypi.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH 0/4] Focus feedback 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 all,\n\nA number of our users use a focus metric for manually focussing the HQ camera\nlenses. This metric is derived from the ISP statistics block.\n\nThis set of changes adds a Figure of Merit (FoM) libcamera control that can be\nused for such situations. As a note, this is a singular value that\ngives a numeric score for how in-focus an image is, not a means to run an AF\nalgorithm. It is up to the IPA to calculate this score however it sees fit.\nThe Raspberry Pi averages the middle two regions in a 4x3 grid to start with.\nWe may change this later when we have adjustable regions.\n\nAs always, comments welcome.\n\nRegards,\nNaush\n\n\nNaushir Patuck (4):\n libcamera: controls: Add focus Figure of Merit (FoM) control\n libcamera: ipa: raspberrypi: focus: Fix for uninitialised variable\n libcamera: ipa: raspberrypi: Populate libcamera metadata after\n controller process\n libcamera: ipa: raspberrypi: Populate focus FoM from the ISP\n statistics\n\n src/ipa/raspberrypi/controller/focus_status.h | 2 +-\n src/ipa/raspberrypi/controller/rpi/focus.cpp | 2 +-\n src/ipa/raspberrypi/raspberrypi.cpp | 15 ++++++++++++++-\n src/libcamera/control_ids.yaml | 11 +++++++++++\n 4 files changed, 27 insertions(+), 3 deletions(-)" }