{"id":27228,"url":"https://patchwork.libcamera.org/api/patches/27228/?format=json","web_url":"https://patchwork.libcamera.org/patch/27228/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20260706-libipa-algorithms-v3-28-968757b038bb@ideasonboard.com>","date":"2026-07-06T08:01:48","name":"[v3,28/35] ipa: libipa: lsc: Document LscDescriptor::sensorSize usage","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4c2b3f48d27e26dba2d924dda1a8061c1590edcb","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/27228/mbox/","series":[{"id":6038,"url":"https://patchwork.libcamera.org/api/series/6038/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6038","date":"2026-07-06T08:01:20","name":"ipa: libipa: Introduce libipa algorithms","version":3,"mbox":"https://patchwork.libcamera.org/series/6038/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27228/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27228/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 ADF5BC3308\n\tfor ;\n\tMon, 6 Jul 2026 08:02:36 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 44B7866054;\n\tMon, 6 Jul 2026 10:02:36 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 38D9666032\n\tfor ;\n\tMon, 6 Jul 2026 10:02:15 +0200 (CEST)","from [192.168.125.177] (mob-109-113-60-81.net.vodafone.it\n\t[109.113.60.81])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 06C1E1E5A;\n\tMon, 6 Jul 2026 10:01:26 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"tjO7L+bM\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1783324887;\n\tbh=MzlYpklOgCV3wpE9zpdKbYKUnZZIrVB8qlPQIJCccOg=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=tjO7L+bMh/MXUqedH95JPg/3LHB37OStcLs8sxNWJmmGhKetQEBrYt0F6hOUNFFdR\n\tUK5XiC99G7h/CZdLDYI/H/xYCU3B+ZEWynU7u+vP/2TdK6BM/DfziyoxzqokfGv/na\n\tIsB2mfNRQMxeq+gOKQEJjnaH3Zm3pUd7uIOin4fg=","From":"Jacopo Mondi ","Date":"Mon, 06 Jul 2026 10:01:48 +0200","Subject":"[PATCH v3 28/35] ipa: libipa: lsc: Document\n\tLscDescriptor::sensorSize usage","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260706-libipa-algorithms-v3-28-968757b038bb@ideasonboard.com>","References":"<20260706-libipa-algorithms-v3-0-968757b038bb@ideasonboard.com>","In-Reply-To":"<20260706-libipa-algorithms-v3-0-968757b038bb@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org, \n\tStefan Klug ","Cc":"Jacopo Mondi ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=966;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=MzlYpklOgCV3wpE9zpdKbYKUnZZIrVB8qlPQIJCccOg=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqS2DykjeRzQgXDFGZKIoBfceXaeTAlMYUuIrz9\n\tQ/5WRJHTgCJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaktg8gAKCRByNAaPFqFW\n\tPJdoEACAVaK9EcL6z7yXbUahAwF53t/EPQ4tPMfZ9v5p3Ur5WCygF5LgG9CfgqNRFrqH7CkTgCb\n\t9LsPfgczjcM0rmc2N3CdlwS1cUCrr/C8BP+GPfaYHm0JOuSCrka0r1Vb05bvc/EVIHFSsSLXOcC\n\tAW0cEMV38871ICMiSa524ZaiztnVN3DZF8bu6M07iUZpuvnbIlnP1qffAWQduONSx4nM29JhN5C\n\tfaQW1wqcCxSiqF8UsouPFbeASw+563o65/DEWPg3Nc4jcS15k83Eza11flRCPz4z55CSrXYJVvw\n\tzKlyBpbKcP7IDVvUUYNKVpjr4GmIq/F43BhflJby5EuHQNMHLXWTE6q2c5fuDgYPIlPcOahKeUZ\n\tdctu0ApyygViOIQ6Ix/8/M4GF/XPEZtKpckOppUQB/U1zB3R5LiZbCvZVbAdYG22pqe7p8Tr0f4\n\tPaJmF2QLduVOmc/1+1W8wZgk6fRqW6+1WdnJmRiIMZhZq4UYbzCvqhBZQUWDubDafwFqqHZJfpj\n\thhiCCivYPb3zDHgQkWJnnjdETkAMLXTMCBN8P2Arwl70PJaWTA0qo4hwJ6rsDQSakNHpou5t1Hc\n\tjNeWhcflymI6+V08rbj1qjSKFD/MjTXrQuOHFp+bb13HQcVo5RCD/x3lz4HmslohVjV7Zq0P1wd\n\tGwHo6hn972JsMKA==","X-Developer-Key":"i=jacopo.mondi@ideasonboard.com; a=openpgp;\n\tfpr=72392EDC88144A65C701EA9BA5826A2587AD026B","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","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Now that sensorSize_ has been removed from LscPolynomial and is\npassed to the Lsc algorithm through LscDescriptor document its intended\npurpose.\n\nSigned-off-by: Jacopo Mondi \n---\n src/ipa/libipa/lsc.cpp | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/src/ipa/libipa/lsc.cpp b/src/ipa/libipa/lsc.cpp\nindex 804bbc2915e4..c1207292518a 100644\n--- a/src/ipa/libipa/lsc.cpp\n+++ b/src/ipa/libipa/lsc.cpp\n@@ -179,6 +179,10 @@ namespace lsc {\n * k4: 0.0\n * \\endcode\n *\n+ * The lsc tables or the polynomial definition are generated at tuning time\n+ * using an image of known resolution which needs to be specified in\n+ * LscDescriptor::sensorSize.\n+ *\n * At LscAlgorithm::configure() time the lsc tables are re-sampled on the\n * sensor's crop rectangle in use to adapt them to the configuration in use for\n * a streaming session. Polynomial lsc tables support re-sampling and can be\n","prefixes":["v3","28/35"]}