{"id":27336,"url":"https://patchwork.libcamera.org/api/1.1/patches/27336/?format=json","web_url":"https://patchwork.libcamera.org/patch/27336/","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-v5-29-0759d0359f52@ideasonboard.com>","date":"2026-07-08T15:51:11","name":"[v5,29/36] 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/27336/mbox/","series":[{"id":6048,"url":"https://patchwork.libcamera.org/api/1.1/series/6048/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6048","date":"2026-07-08T15:50:42","name":"ipa: libipa: Introduce libipa algorithms","version":5,"mbox":"https://patchwork.libcamera.org/series/6048/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27336/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27336/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 C1ECCC3330\n\tfor ;\n\tWed, 8 Jul 2026 15:51:54 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 27FB5660F6;\n\tWed, 8 Jul 2026 17:51:54 +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 5865F660AB\n\tfor ;\n\tWed, 8 Jul 2026 17:51:21 +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 6E8253FF5;\n\tWed, 8 Jul 2026 17:50:31 +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=\"sf10ONKg\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1783525831;\n\tbh=l3IWqtX/3k/0xTkpngmJmTTxrkKv+Uf3ZsubdNM+OxY=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=sf10ONKgHbe23OqF9Nc6EI6oL3phy8XBTYNgpf1AP9909y3mtqSb0SnKeU/0JqwsH\n\tgn2XY0s9indGJJPoQQ5xcUdT0XN2sVhIj6thd6c416zfudMFDArSCm1/A3JMLFdkUB\n\tZv2WMIUL4QYp4U423tllqUtNL9WrSc7mQQjVUMbI=","From":"Jacopo Mondi ","Date":"Wed, 08 Jul 2026 17:51:11 +0200","Subject":"[PATCH v5 29/36] 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-v5-29-0759d0359f52@ideasonboard.com>","References":"<20260708-libipa-algorithms-v5-0-0759d0359f52@ideasonboard.com>","In-Reply-To":"<20260708-libipa-algorithms-v5-0-0759d0359f52@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/ZANAwAKAXI0Bo8WoVY8AcsmYgBqTnHriNByfvEG9L+aX61mBJ4JYPPHXHVMKhCNa\n\tFeSDhJCITiJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCak5x6wAKCRByNAaPFqFW\n\tPP4OD/9gZ6gK29OZ5QMSPG7jZ7pI8/OC/IENvR/f8WjI0R+LzvfPiSnxFYFzLgQbi7EWw66YBUq\n\to1zYfJfMUYZuWpFJmb5Is5VU46XKoIq5oEqOI1bErAfPsRngoBckVUT6ohlwTNZ5G2F3TeIRGUZ\n\tZR1wr85laohZtmBmNuK6/BCmYE/UiyqldibhRpwSV0WdJQ3zSKZFjv46QWnT9U386g3+BLIzrKQ\n\tJAPFb8K+oQx72P7+YdXN1UGJ/n3uWfnfQIaEgnzcnP4hAyubyjwBlV5jL9FSMlnPuih/QwWrbGi\n\tfhluHA8aN16lTwYhW1G670lxMuYmp0FrmymG7Xt2JXBJNm21LQzyLC8++WbKvUe4W2QdmaMSVPH\n\tqnOHFIdfd+l3EhaFGZX1xVazU4qv+qUILe6rhhAX/oSf5B4Gg9gB40TwReKZ9U9B8gqaDtdhisd\n\t1+Rdnhw8RkxI/pgq+ohXKl4y3aVeyxKLQTTRlEUjlDNDRPC0V7DNAbaauNFURVpzWVGkcca5LHW\n\taO+ZBTFXsa5VWGcV1lktP2DaKiR+QQyDYqTX40Ve0Kj61uED1w8g1JjoxtyiGVY5+g2g6tL9qnF\n\tAmSXFhW63pYBPcrdu1elw7CFtYJkaIPGexYOYQdObYnNLIO0SyqMDel/emNYTDC45D3UVZvVULS\n\tTwuamAuvvngyMfA==","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":["v5","29/36"]}