{"id":27294,"url":"https://patchwork.libcamera.org/api/1.1/patches/27294/?format=json","web_url":"https://patchwork.libcamera.org/patch/27294/","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":"<20260708-libipa-algorithms-v4-28-f0e99f035294@ideasonboard.com>","date":"2026-07-08T09:25:15","name":"[v4,28/35] ipa: libipa: lsc: Document LscDescriptor::sensorSize usage","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f2fd6853fad3ab1b5bc7f2e5dda4dce9df35efee","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/1.1/people/143/?format=json","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/27294/mbox/","series":[{"id":6046,"url":"https://patchwork.libcamera.org/api/1.1/series/6046/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6046","date":"2026-07-08T09:24:47","name":"ipa: libipa: Introduce libipa algorithms","version":4,"mbox":"https://patchwork.libcamera.org/series/6046/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27294/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27294/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 7B4F8C333B\n\tfor ;\n\tWed, 8 Jul 2026 09:25:42 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1E8E5660E8;\n\tWed, 8 Jul 2026 11:25:42 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id ADA4B660AB\n\tfor ;\n\tWed, 8 Jul 2026 11:25:13 +0200 (CEST)","from [192.168.1.182] (93-46-82-201.ip106.fastwebnet.it\n\t[93.46.82.201])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 078053FC2;\n\tWed, 8 Jul 2026 11:24:23 +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=\"fCdZA9/T\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1783502664;\n\tbh=l3IWqtX/3k/0xTkpngmJmTTxrkKv+Uf3ZsubdNM+OxY=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=fCdZA9/T18Pauuiuw+bDp6QlL4C/XvTmgbCOwHGhJeD9w8ArPdVFXj9Mnyyo/y7yf\n\t2hpnSrqtV1nbMPr56BZGWDUw9SoKVueHKE52VL7oVVx57ZZ2KRzqoN8CP16O/w6Epu\n\tg/k8OX/VUr6empVouYS8SDWrekOtmYF1INmSM4MM=","From":"Jacopo Mondi ","Date":"Wed, 08 Jul 2026 11:25:15 +0200","Subject":"[PATCH v4 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":"<20260708-libipa-algorithms-v4-28-f0e99f035294@ideasonboard.com>","References":"<20260708-libipa-algorithms-v4-0-f0e99f035294@ideasonboard.com>","In-Reply-To":"<20260708-libipa-algorithms-v4-0-f0e99f035294@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=l3IWqtX/3k/0xTkpngmJmTTxrkKv+Uf3ZsubdNM+OxY=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqThdvOi/6kYD2C4jdWCco9TXczXBCO4FDDcXWt\n\tZvqZHgfLNeJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCak4XbwAKCRByNAaPFqFW\n\tPJtBD/4gk+FRscxrMjYfNJY57wLjyLZ8uU82SBsRtiz8kt7llbf891TKWT0nMoG15H6Z6EJjl31\n\t1ttVzQJCTGu1lFxBHoYVF76oCphQrrd+N0Yr72QA8yhN4ER9AyKUq5Jf/lTZhKgeo2qitQZAYiA\n\tl5RlQmZ7Hq95W0YuDU3iJWeDNSelqgyD7cDj/Ihvfrzy/8cofKhRJxNvTkmkWDoj775hW/oiK//\n\tDbD0N7yKOJBxa6wkeMjeTzh5DHX5+kTaIi6HbN4R7ZTXTqkeZGX9BwtJ0gm7mF8I3D2ja+EM1pl\n\tvoGnmDAeiN/6cicINQM7uX7WEmpGQQmjWqvUlU9aFp5IXyDErfX9HJMiIYWJ9XXFv4PR9gc08nu\n\tNdLTqs4/JuUNxOvlym9lgkx1+NFmnvdFx3mPNGtMqzdHlGi2363z47tzvRJYNi0RYA1+VBeUI7M\n\t6LiC9sa/MHodzktJNa2drL4AV0j/ImitahDpKJ0uryS3lrQFRwDQrnzjMQ5nmVdXhBxm8UeP69c\n\tDqtNnsRJN/wXu00eMn9DpRT4kwk+LzQZ8pBDGInKV74uJi5qv0PWY16tGDUTqcYBQdGS7svUxL1\n\tr+l/R7J+5g/2mUGaUMuMiwK0L9vjOyWCelmVnzcR24LfmX+fKYYkprOKRadiboSjNwJNbU02RoV\n\tdk0KzgkoY/Yp1ww==","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 1d2f8eb1b41b..13b1b738106b 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":["v4","28/35"]}