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{ "id": 10625, "url": "https://patchwork.libcamera.org/api/1.1/patches/10625/?format=api", "web_url": "https://patchwork.libcamera.org/patch/10625/", "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": "<20201209102630.5562-2-naush@raspberrypi.com>", "date": "2020-12-09T10:26:28", "name": "[libcamera-devel,v4,1/3] libcamera: controls: Add frame duration control", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "95c35ce1d512dc2987a61b14616d18cd16b55a27", "submitter": { "id": 34, "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api", "name": "Naushir Patuck", "email": "naush@raspberrypi.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/10625/mbox/", "series": [ { "id": 1519, "url": "https://patchwork.libcamera.org/api/1.1/series/1519/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1519", "date": "2020-12-09T10:26:27", "name": "raspberrypi: FPS control", "version": 4, "mbox": "https://patchwork.libcamera.org/series/1519/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/10625/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/10625/checks/", "tags": {}, "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 96261BD80A\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 9 Dec 2020 10:26:40 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4DD7E67F08;\n\tWed, 9 Dec 2020 11:26:40 +0100 (CET)", "from mail-wr1-x441.google.com (mail-wr1-x441.google.com\n\t[IPv6:2a00:1450:4864:20::441])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 93298635D3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 9 Dec 2020 11:26:38 +0100 (CET)", "by mail-wr1-x441.google.com with SMTP id r14so1149945wrn.0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 09 Dec 2020 02:26:38 -0800 (PST)", "from naushir-VirtualBox.pitowers.org\n\t([2a00:1098:3142:14:a00:27ff:fe4d:f6a2])\n\tby smtp.gmail.com with ESMTPSA id\n\tq73sm2636035wme.44.2020.12.09.02.26.37\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 09 Dec 2020 02:26:37 -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=\"AhStix6Q\"; 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\n\tWed, 09 Dec 2020 02:26:38 -0800 (PST)", "From": "Naushir Patuck <naush@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 9 Dec 2020 10:26:28 +0000", "Message-Id": "<20201209102630.5562-2-naush@raspberrypi.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20201209102630.5562-1-naush@raspberrypi.com>", "References": "<20201209102630.5562-1-naush@raspberrypi.com>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v4 1/3] libcamera: controls: Add frame\n\tduration 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": "Add a float array control (controls::FrameDurations) to specify the\nminimum and maximum (in that order) frame duration to be used by the\ncamera sensor.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\n---\n src/libcamera/control_ids.yaml | 13 +++++++++++++\n 1 file changed, 13 insertions(+)", "diff": "diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml\nindex 6d6f0fee..cd44a620 100644\n--- a/src/libcamera/control_ids.yaml\n+++ b/src/libcamera/control_ids.yaml\n@@ -554,4 +554,17 @@ controls:\n detection, additional format conversions etc) count as an additional\n pipeline stage.\n \n+ - FrameDurations:\n+ type: float\n+ description: |\n+ Specifies the minimum and maximum (in that order) allowable frame\n+ duration, in micro-seconds, for the sensor to use. This could also limit\n+ the largest exposure times the sensor can use. For example, if a maximum\n+ frame duration of 33ms is requested (corresponding to 30 frames per\n+ second), the sensor will not be able raise the exposure time above 33ms.\n+ Note that the sensor may not always be able to provide the requested\n+ frame duration limits depending on its mode configuration.\n+\n+ \\sa ExposureTime\n+ size: [2]\n ...\n", "prefixes": [ "libcamera-devel", "v4", "1/3" ] }