{"id":27418,"url":"https://patchwork.libcamera.org/api/patches/27418/?format=json","web_url":"https://patchwork.libcamera.org/patch/27418/","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":"<20260720-libipa-algorithms-v6-26-ececb73f97cb@ideasonboard.com>","date":"2026-07-20T14:59:44","name":"[v6,26/31] 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/27418/mbox/","series":[{"id":6067,"url":"https://patchwork.libcamera.org/api/series/6067/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=6067","date":"2026-07-20T14:59:18","name":"ipa: libipa: Introduce libipa algorithms","version":6,"mbox":"https://patchwork.libcamera.org/series/6067/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/27418/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/27418/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 9FCC9C333C\n\tfor ;\n\tMon, 20 Jul 2026 15:00:19 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1877D67EA8;\n\tMon, 20 Jul 2026 17:00:19 +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 BE80167E5D\n\tfor ;\n\tMon, 20 Jul 2026 16:59:55 +0200 (CEST)","from [192.168.1.106] (mob-5-90-63-152.net.vodafone.it\n\t[5.90.63.152])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D9F01339E;\n\tMon, 20 Jul 2026 16:58:56 +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=\"BZukmN6H\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1784559537;\n\tbh=6Obv0Wz/HJF7mOUnS6V31ONAzqtsTuCPOBefw8+/xCs=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=BZukmN6HYKrFjPXHpwDtQSVmVX+HEwFljSQec/1pLGbsPDpdYkpeZ4ihiJ+hu5Wcx\n\tB6w7GWTGuU/XHqUvyKpI6pwfUTFQQ6rkoeF0nsjhIRcfuUEs0V6vEzSe7y+9WdFfb5\n\tvSJJ3T/+3klSQnmyiFKvUBqfvSqIBEa1FQtBJyPA=","From":"Jacopo Mondi ","Date":"Mon, 20 Jul 2026 16:59:44 +0200","Subject":"[PATCH v6 26/31] 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":"<20260720-libipa-algorithms-v6-26-ececb73f97cb@ideasonboard.com>","References":"<20260720-libipa-algorithms-v6-0-ececb73f97cb@ideasonboard.com>","In-Reply-To":"<20260720-libipa-algorithms-v6-0-ececb73f97cb@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org, \n\tStefan Klug , \n\tMilan Zamazal ","Cc":"Jacopo Mondi , \n\tKieran Bingham ","X-Mailer":"b4 0.14.3","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/ZANAwAKAXI0Bo8WoVY8AcsmYgBqXjfaBoKFN+Kn0uuyVVcyDyfFiFzLZL3dPOOyF\n\tusdM1sUSp2JAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCal432gAKCRByNAaPFqFW\n\tPPafEACyzfXw9Ss1XLpixpXTWZcFasxlkz2kqjk1IJOmldYJkopgvsI4ssZbFGv2W8aNp1U/D5+\n\tl8mwK3EmlKsAR0lG3zhYhF3M6nmVGEfOI8T28AuRArc76E9LUia3DiFbcgDhD7kITU/kCGiImGf\n\t9HlSnKPOpoQ9Sqo8BSsgdPNosAkzJGA2l8HJHNeiVTeria0S8ljRSct15RKRCjIdwUvbi1Q/sLr\n\t9TMXFJrOmzIlA/u64nXF3CvxbAONisdkFoo6pEg/zBzT7wE8OTiPZZ3CnRfoY7HRSDALYm5rXzI\n\tjtvyx6UDbdK81Fh6OcuxME2yD/Qxg5jyYhAKTHicbHAYvD0p5Hcr7JhCgHUE6Lq15OgNTjci5yh\n\tpZ1aeIU7AD7eXO0pDL8KC3k5YYO22/F9f01J+IomqBIJsO1Z6+KI4Dt/MOXRXbObCezyJ/xdwJW\n\tqHsM4hoAM40PADmjzcUOAlIumT5Gxru45/y4XLs+jKI5nc/Dxgihs/dXDqQqKdHAz8WP1BR0MmH\n\tnz7BzA9cOULJkNW9FElhMvHuMn+Ud5sVewEnyDkkWKp3kmI/zp1lVZyMTK5bO1/cjKSnpuXn/OU\n\tnrWTq/mbh5BTZT+lJhn9hnhw2CK6JK4gwjqjLqRdnJWSUXNtOYdjfOwwDw5ac3VLKPGjrpPFPJB\n\t3U6I26Ctp/nCkOg==","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":["v6","26/31"]}