{"id":27650,"url":"https://patchwork.libcamera.org/api/patches/27650/?format=json","web_url":"https://patchwork.libcamera.org/patch/27650/","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":"<20260805-libipa-algorithms-v7-26-7425b5b795d4@ideasonboard.com>","date":"2026-08-05T16:13:08","name":"[v7,26/32] ipa: libipa: lsc: Document LscDescriptor::sensorSize usage","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a5674a1adc3fa83dbd07a99dc81826de078ec255","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/27650/mbox/","series":[{"id":6110,"url":"https://patchwork.libcamera.org/api/series/6110/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6110","date":"2026-08-05T16:12:42","name":"ipa: libipa: Introduce libipa algorithms","version":7,"mbox":"https://patchwork.libcamera.org/series/6110/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27650/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27650/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 5B47EC334B\n\tfor ;\n\tWed, 5 Aug 2026 16:14:00 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D2CBE68183;\n\tWed, 5 Aug 2026 18:13:59 +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 AFD6068161\n\tfor ;\n\tWed, 5 Aug 2026 18:13:41 +0200 (CEST)","from [192.168.125.177] (mob-109-113-25-35.net.vodafone.it\n\t[109.113.25.35])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id CD1123A1D;\n\tWed, 5 Aug 2026 18:12:30 +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=\"Eh6QvPyM\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1785946351;\n\tbh=6Obv0Wz/HJF7mOUnS6V31ONAzqtsTuCPOBefw8+/xCs=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=Eh6QvPyMkOnfIlnQqUolZyxt02MTqqPZufNLSQLm8GfylsNzuyLj7gpOaSU0LT9Ad\n\tW6++nsbMsUnxiBxyesDX1NBpzVxfteucWbEMWwU7SK1fBaMOLYXUdPg7bLNSuD0HvZ\n\tpu8Px1+g72hYNrfh1kMvTK90imQp5cNAfkNC8NPs=","From":"Jacopo Mondi ","Date":"Wed, 05 Aug 2026 18:13:08 +0200","Subject":"[PATCH v7 26/32] 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":"<20260805-libipa-algorithms-v7-26-7425b5b795d4@ideasonboard.com>","References":"<20260805-libipa-algorithms-v7-0-7425b5b795d4@ideasonboard.com>","In-Reply-To":"<20260805-libipa-algorithms-v7-0-7425b5b795d4@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org, \n\tStefan Klug , \n\tMilan Zamazal ","Cc":"Jacopo Mondi , \n\tKieran Bingham ","X-Mailer":"b4 0.16-dev","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1079;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=6Obv0Wz/HJF7mOUnS6V31ONAzqtsTuCPOBefw8+/xCs=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBqc2EiZ2qfeESd84cm3e4fP+NfLd3gg+QTUYBtE\n\tbfMqDSzEMKJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCanNhIgAKCRByNAaPFqFW\n\tPG2CEACqR8F1X6FLhSc/w/30KKxx/fmIDn9DA0KhpZVDCC2vb9wKgvhJx1GmWKA9Xm1KYbnG5OM\n\tHtvA33Nf7+J/owMzXiecZgpr77/8J338UUkNM0HQC2o9+OlROi+f0XKQRoTEhKVdWwY86cEU9hi\n\tPxenoiO6gMxx9YuVy1Rjm7/9qsU94tuizGmzwQjSig2o8JK4W7eS1uJagy1Nu8ujZN5jQK/segS\n\tLjobgJ+mpUzDlEw2cDhFZ1PfXh7l0okIOL6qC8HY0Ey2a8l0TfXeJO1VZLqSdEzHcwakA6Cy5ej\n\trCvnOBVYgYoz9j4wtH6YUITgx3fEIGNV0OYipy7bTD+6j1tYWAOY1KarS5KIvvJeK6VQwPzD0ym\n\tZWC9vlNZ+4/Rj2EU6fviPPNzXqCPFO1fSMjpP6hEtnVXYyrl3grTnuq+P4LrfWBOE5TY2J4JT2u\n\tY0JY7xZDuHs33CbGIYSKbq88KgWnTN6AHGALkmnGGf9UTXNksifz8ko+F8pIm/nCXNg21atzM8+\n\tXeBCxp8XzFnnqZYd2d2hsSfBqwQUkIRIVZ++Dly7OjU9SxVMMh+FsuaseH4Uwfoc6xOVpHX4cot\n\tuo9qi9p+jnuRGjTiECUNDnW6cyS2wb5jhksqxMMDqIn5Fts94aPSzemyHEbwMHQzjlMMQcX41ZQ\n\tRqeYQaQpkgKgOeQ==","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 \nReviewed-by: Stefan Klug \nReviewed-by: Kieran Bingham \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 2062b795991d..8c5c28077cce 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 polynomial definition is generated at tuning time in relation\n+ * to the full sensor pixel array. This 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":["v7","26/32"]}