{"id":15698,"url":"https://patchwork.libcamera.org/api/1.1/patches/15698/?format=json","web_url":"https://patchwork.libcamera.org/patch/15698/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20220421151117.703956-2-naush@raspberrypi.com>","date":"2022-04-21T15:11:16","name":"[libcamera-devel,v3,1/2] libcamera: Add a SensorSensitivity property","commit_ref":"998d23c0a2255de092d6297d12600ffa1bfa3295","pull_url":null,"state":"accepted","archived":false,"hash":"9c49df15570ba0ad2e77d42833404e2b771325c8","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/1.1/people/34/?format=json","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15698/mbox/","series":[{"id":3064,"url":"https://patchwork.libcamera.org/api/1.1/series/3064/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3064","date":"2022-04-21T15:11:15","name":"Application support for per-mode sensitivities","version":3,"mbox":"https://patchwork.libcamera.org/series/3064/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15698/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15698/checks/","tags":{},"headers":{"Return-Path":"","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 88BB2C3260\n\tfor ;\n\tThu, 21 Apr 2022 15:11:27 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4987B65647;\n\tThu, 21 Apr 2022 17:11:27 +0200 (CEST)","from mail-wr1-x431.google.com (mail-wr1-x431.google.com\n\t[IPv6:2a00:1450:4864:20::431])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C2D3665641\n\tfor ;\n\tThu, 21 Apr 2022 17:11:24 +0200 (CEST)","by mail-wr1-x431.google.com with SMTP id bv16so7105491wrb.9\n\tfor ;\n\tThu, 21 Apr 2022 08:11:24 -0700 (PDT)","from naush-laptop.pitowers.org\n\t([2a00:1098:3142:14:6bd1:8370:773e:357e])\n\tby smtp.gmail.com with ESMTPSA id\n\tk63-20020a1ca142000000b0038ff2c38e85sm2267683wme.39.2022.04.21.08.11.23\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 21 Apr 2022 08:11:23 -0700 (PDT)"],"DKIM-Signature":["v=1; 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\n\tThu, 21 Apr 2022 08:11:24 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 21 Apr 2022 16:11:16 +0100","Message-Id":"<20220421151117.703956-2-naush@raspberrypi.com>","X-Mailer":"git-send-email 2.25.1","In-Reply-To":"<20220421151117.703956-1-naush@raspberrypi.com>","References":"<20220421151117.703956-1-naush@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 1/2] libcamera: Add a SensorSensitivity\n\tproperty","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Naushir Patuck via libcamera-devel\n\t","Reply-To":"Naushir Patuck ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"The SensorSensitivity property is a scaling factor that describes how sensitive\nthe selected sensor mode is compared to other readout modes of the same sensor.\nFor example, a binned mode might have twice the sensitivity of the full\nresolution mode, meaning you would get double the signal level for the same\nexposure and gains.\n\nSigned-off-by: David Plowman \nSigned-off-by: Naushir Patuck \n---\n src/libcamera/property_ids.yaml | 12 ++++++++++++\n 1 file changed, 12 insertions(+)","diff":"diff --git a/src/libcamera/property_ids.yaml b/src/libcamera/property_ids.yaml\nindex 12ecbce5eed4..11b7ebdc3105 100644\n--- a/src/libcamera/property_ids.yaml\n+++ b/src/libcamera/property_ids.yaml\n@@ -678,6 +678,18 @@ controls:\n \\todo Turn this property into a \"maximum control value\" for the\n ScalerCrop control once \"dynamic\" controls have been implemented.\n \n+ - SensorSensitivity:\n+ type: float\n+ description: |\n+ The relative sensitivity of the chosen sensor mode.\n+\n+ Some sensors have readout modes with different sensitivities. For example,\n+ a binned camera mode might, with the same exposure and gains, produce\n+ twice the signal level of the full resolution readout. This would be\n+ signalled by the binned mode, when it is chosen, indicating a value here\n+ that is twice that of the full resolution mode. This value will be valid\n+ after the configure method has returned successfully.\n+\n # ----------------------------------------------------------------------------\n # Draft properties section\n \n","prefixes":["libcamera-devel","v3","1/2"]}