{"id":20772,"url":"https://patchwork.libcamera.org/api/patches/20772/?format=json","web_url":"https://patchwork.libcamera.org/patch/20772/","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":"<20240805120522.1613342-3-stefan.klug@ideasonboard.com>","date":"2024-08-05T12:05:03","name":"[v1,2/6] ipa: rkisp1: awb: Load white balance gains from tuning file","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"2fa096bb8ec692c002a7f0d63a80e3da3ed56a3f","submitter":{"id":184,"url":"https://patchwork.libcamera.org/api/people/184/?format=json","name":"Stefan Klug","email":"stefan.klug@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/20772/mbox/","series":[{"id":4486,"url":"https://patchwork.libcamera.org/api/series/4486/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4486","date":"2024-08-05T12:05:01","name":"rkisp1: Add manual colour temperature control","version":1,"mbox":"https://patchwork.libcamera.org/series/4486/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/20772/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/20772/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 22B68C323E\n\tfor ;\n\tMon, 5 Aug 2024 12:05:58 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7BFC26337E;\n\tMon, 5 Aug 2024 14:05:56 +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 E461D63369\n\tfor ;\n\tMon, 5 Aug 2024 14:05:54 +0200 (CEST)","from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:30ff:e7b4:349c:44ce])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 8D1E4AB5;\n\tMon, 5 Aug 2024 14:05:03 +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=\"kmz14V2x\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1722859503;\n\tbh=CSJ1LfBzo/4SQKazTF2Sb4F+6RnatDuscp4MOkWhoGc=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=kmz14V2x6633sOls2ePeUhCxPLULXlStMM4YPgLAwrvFj45OrjmCLVxBNq1hBWLFb\n\tqGNm+Mi2Qb+OczOlCPq0BAbdPUn1IdvX1jVnNgUFICx8n1u1Rmm5Ojb6KZXUj7JZly\n\tOShx7U30KSn0ga1zvrwz+8kW+pQiWM1TaSU4Ei4k=","From":"Stefan Klug ","To":"libcamera-devel@lists.libcamera.org","Cc":"David Plowman ,\n\tStefan Klug ","Subject":"[PATCH v1 2/6] ipa: rkisp1: awb: Load white balance gains from\n\ttuning file","Date":"Mon, 5 Aug 2024 14:05:03 +0200","Message-ID":"<20240805120522.1613342-3-stefan.klug@ideasonboard.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20240805120522.1613342-1-stefan.klug@ideasonboard.com>","References":"<20240805120522.1613342-1-stefan.klug@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","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":"For the implementation of a manual colour temperature setting, it is\nnecessary to read predefined colour gains per colour temperature from\nthe tuning file. Implement this in a backwards compatible way. If no\ngains are contained in the tuning file, loading just continues as\nbefore.\n\nSigned-off-by: Stefan Klug \n---\n src/ipa/rkisp1/algorithms/awb.cpp | 18 ++++++++++++++++++\n src/ipa/rkisp1/algorithms/awb.h | 6 ++++++\n 2 files changed, 24 insertions(+)","diff":"diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp\nindex 4ccafd48dedd..957d24fe3425 100644\n--- a/src/ipa/rkisp1/algorithms/awb.cpp\n+++ b/src/ipa/rkisp1/algorithms/awb.cpp\n@@ -39,6 +39,24 @@ Awb::Awb()\n {\n }\n \n+/**\n+ * \\copydoc libcamera::ipa::Algorithm::init\n+ */\n+int Awb::init(IPAContext &context, const YamlObject &tuningData)\n+{\n+\tMatrixInterpolator gains;\n+\tint ret = gains.readYaml(tuningData[\"gains\"], \"ct\", \"gains\");\n+\tif (ret < 0)\n+\t\tLOG(RkISP1Awb, Warning)\n+\t\t\t<< \"Failed to parse 'gains' \"\n+\t\t\t<< \"parameter from tuning file; \"\n+\t\t\t<< \"rgb gains will not be set based on colour temperature\";\n+\telse\n+\t\tgains_ = gains;\n+\n+\treturn 0;\n+}\n+\n /**\n * \\copydoc libcamera::ipa::Algorithm::configure\n */\ndiff --git a/src/ipa/rkisp1/algorithms/awb.h b/src/ipa/rkisp1/algorithms/awb.h\nindex 06c92896e2dc..a010e6d1cb3c 100644\n--- a/src/ipa/rkisp1/algorithms/awb.h\n+++ b/src/ipa/rkisp1/algorithms/awb.h\n@@ -7,6 +7,10 @@\n \n #pragma once\n \n+#include \n+\n+#include \"libipa/matrix_interpolator.h\"\n+\n #include \"algorithm.h\"\n \n namespace libcamera {\n@@ -19,6 +23,7 @@ public:\n \tAwb();\n \t~Awb() = default;\n \n+\tint init(IPAContext &context, const YamlObject &tuningData) override;\n \tint configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;\n \tvoid queueRequest(IPAContext &context, const uint32_t frame,\n \t\t\t IPAFrameContext &frameContext,\n@@ -34,6 +39,7 @@ public:\n private:\n \tuint32_t estimateCCT(double red, double green, double blue);\n \n+\tstd::optional> gains_;\n \tbool rgbMode_;\n };\n \n","prefixes":["v1","2/6"]}