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{ "id": 25470, "url": "https://patchwork.libcamera.org/api/1.1/patches/25470/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25470/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20251210164055.17856-6-david.plowman@raspberrypi.com>", "date": "2025-12-10T16:15:20", "name": "[05/11] ipa: rpi: cam_helper: Add CamHelperDefault class", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "95fa3a148a6882ca12637bbe37e230942d67866e", "submitter": { "id": 42, "url": "https://patchwork.libcamera.org/api/1.1/people/42/?format=api", "name": "David Plowman", "email": "david.plowman@raspberrypi.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/25470/mbox/", "series": [ { "id": 5650, "url": "https://patchwork.libcamera.org/api/1.1/series/5650/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5650", "date": "2025-12-10T16:15:15", "name": "Bayer re-processing", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5650/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/25470/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/25470/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "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 A9B00C326B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 10 Dec 2025 16:41:10 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 53682614B4;\n\tWed, 10 Dec 2025 17:41:09 +0100 (CET)", "from mail-wm1-x336.google.com (mail-wm1-x336.google.com\n\t[IPv6:2a00:1450:4864:20::336])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id BE945614A5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 10 Dec 2025 17:41:03 +0100 (CET)", "by mail-wm1-x336.google.com with SMTP id\n\t5b1f17b1804b1-477ba2c1ca2so92553875e9.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 10 Dec 2025 08:41:03 -0800 (PST)", "from davidp-pi5.pitowers.org\n\t([2a00:1098:3142:1f:88ea:c658:5b20:5e46])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-47a88371e13sm1270415e9.11.2025.12.10.08.41.02\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 10 Dec 2025 08:41:02 -0800 (PST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (2048-bit key;\n\tunprotected) header.d=raspberrypi.com header.i=@raspberrypi.com\n\theader.b=\"RUA5rFfl\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=raspberrypi.com; s=google; t=1765384863; x=1765989663;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:from:to:cc:subject:date\n\t:message-id:reply-to;\n\tbh=QLlvmGgcOMsYAJYOTv4cJBu9eq16xZuXXiVWbWJ1GqE=;\n\tb=RUA5rFflb2OdJLz8uy8UzkDOkx9H+GsJ87xzbYHxMyTouuspxy4I+479fSUQL8ozGA\n\t+X9n5WuhAGkVmsPRZUYHZko3nrim71uS1iAx8hrf/oIypeUtkyrm7Xpxo0TruttFjovc\n\tqpWXvyMOKkJMt2pLrLYywu1xoDIaYAkWcwfAwciyXwkF2IIIm6uvTPENYkCbZ4IqGpSV\n\tEy5dOAwUdJj7nvmrGs7EbjfkqDLuNZdIeTl82Nyn7kJNl1GgLTX5aATJsKe06a5/tlZG\n\tJjrJWEazjbm1SMs35mwmaT0M/rIlMOr8h5Kf1fNPavhZXmA+z8N1/5pZ6Smsshypp+II\n\t7pGg==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1765384863; x=1765989663;\n\th=content-transfer-encoding:mime-version:references:in-reply-to\n\t:message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n\t:to:cc:subject:date:message-id:reply-to;\n\tbh=QLlvmGgcOMsYAJYOTv4cJBu9eq16xZuXXiVWbWJ1GqE=;\n\tb=OjoPgkI2XveTdKZN5PGF/sUHR5d0NrBRTyAGqnn2FDQRP5mId9Eib04Ob0aghFk2F2\n\t5UzsIyTJtK6/q0QLBpieg+51A5+Wg/9SkGJSCsBEEqBBXrOJWNKGVaFDhmkT/JACC+ry\n\tnDeCwkZwD6TrQmfgEeqtbbFBcCGq53uKHGSOmgEbDIdTKwePOq3Ta8OVT03ImXUvj1EZ\n\tJNl6/NcXY5jNQhD/WvJ3QkMn7t7lZVcJauSt4KYH+0Dd91IMkMiWzpPgNjIQmJXb6J6e\n\tTYV5tOTd1a3+LnYbQd9PdJrgqdMPEGGMykAwxDqTLddBc4fKKH5bzgIdOayBZeTBXlHi\n\tE4Zg==", "X-Gm-Message-State": "AOJu0YwgCnjSfINWAIC9WtpinlC09W52DW9XTSkjQtPn9NzGuCllzAvM\n\tbFxLyvGa6oVZKluHpiJvAw5vaVLJ0toxWl2v9NBU5QBThkaqyQheI/O2yg4wPubCssPwW1Fmngj\n\tDK4ah", "X-Gm-Gg": "ASbGnctCGphQD1GKwd8UKfW+nt5PKRq9eWvJ3JQ1Iax0+xX+8GnLNYxx2HeY0aouU2M\n\t5gvEAxYGXzjPOq4e3e9zjog+xL/pZxmYm7X6IllEAHVAOpYd0YUI25KJjBDKV9IQpUtVjTo925y\n\tp+TQVXt5O9rUKOX4SWrilXlQqyJskWcIYKSvTy64G5T8TrgpEkv+QlUuy0wPKKA6unQyB1IhrJG\n\tkJaTqJAzUZvqNu2V33N2/RWfyQ+foqioB+K724EWJ+k5sHOAAHidbL4JCuZCi9AzpFPpPguPEWK\n\t1D1TMBoBz4Q6MNQLFH/K+eMRyYemvmlozVRqgMaZi6f94oPa4DvsMINM9I7N3V9hvOMh23XTJuY\n\ta40XhND7y/vnRY8mZGE3WX+RA/98wKQu0NTO+Ihdg6YanFiC+OQJzk+yXdfsFVb3MlgAAn0XHUx\n\tDNcOB5MenG3q41Gh3uK0M/B9D0i0nU2or2xsExDonezU9W2R/3MktVSXPTgTqEHW7Ci9L+iFQl6\n\tZ+W6iHMY9VBD7HEhPOzxzVkyKKUoA==", "X-Google-Smtp-Source": "AGHT+IGbWLCI6qNynvO0NNDwj5j0b70UVlp4oHGjDa1pjXb0k76VKYw8AB/cMjVGs3gHab4XtlWfeQ==", "X-Received": "by 2002:a05:600c:1909:b0:471:115e:87bd with SMTP id\n\t5b1f17b1804b1-47a8384cfa1mr30526515e9.26.1765384862859; \n\tWed, 10 Dec 2025 08:41:02 -0800 (PST)", "From": "David Plowman <david.plowman@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "David Plowman <david.plowman@raspberrypi.com>", "Subject": "[PATCH 05/11] ipa: rpi: cam_helper: Add CamHelperDefault class", "Date": "Wed, 10 Dec 2025 16:15:20 +0000", "Message-ID": "<20251210164055.17856-6-david.plowman@raspberrypi.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20251210164055.17856-1-david.plowman@raspberrypi.com>", "References": "<20251210164055.17856-1-david.plowman@raspberrypi.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": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "This will help make \"memory cameras\" work where there is no real\nsensor. This implementation does not really have to do anything except\nprovide a few default values to satisfy any calling code.\n\nWe use \"memory cameras\" to process raw camera images obtained from\nother sources, when in fact no actual camera may be present at all.\n\nSigned-off-by: David Plowman <david.plowman@raspberrypi.com>\n---\n src/ipa/rpi/cam_helper/cam_helper_default.cpp | 45 +++++++++++++++++++\n src/ipa/rpi/cam_helper/meson.build | 1 +\n 2 files changed, 46 insertions(+)\n create mode 100644 src/ipa/rpi/cam_helper/cam_helper_default.cpp", "diff": "diff --git a/src/ipa/rpi/cam_helper/cam_helper_default.cpp b/src/ipa/rpi/cam_helper/cam_helper_default.cpp\nnew file mode 100644\nindex 00000000..99801cc3\n--- /dev/null\n+++ b/src/ipa/rpi/cam_helper/cam_helper_default.cpp\n@@ -0,0 +1,45 @@\n+/* SPDX-License-Identifier: BSD-2-Clause */\n+/*\n+ * Copyright (C) 2025, Raspberry Pi Ltd\n+ *\n+ * default camera helper for unknown sensors\n+ */\n+\n+#include <assert.h>\n+#include <stddef.h>\n+#include <stdio.h>\n+#include <stdlib.h>\n+\n+#include \"cam_helper.h\"\n+\n+using namespace RPiController;\n+\n+class CamHelperDefault : public CamHelper\n+{\n+public:\n+\tCamHelperDefault();\n+\tuint32_t gainCode(double gain) const override;\n+\tdouble gain(uint32_t gainCode) const override;\n+};\n+\n+CamHelperDefault::CamHelperDefault()\n+\t: CamHelper({}, 0)\n+{\n+}\n+\n+uint32_t CamHelperDefault::gainCode([[maybe_unused]] double gain) const\n+{\n+\treturn 0;\n+}\n+\n+double CamHelperDefault::gain([[maybe_unused]] uint32_t gainCode) const\n+{\n+\treturn 1.0;\n+}\n+\n+static CamHelper *create()\n+{\n+\treturn new CamHelperDefault();\n+}\n+\n+static RegisterCamHelper reg(\"default\", &create);\ndiff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build\nindex c1eac689..0c968033 100644\n--- a/src/ipa/rpi/cam_helper/meson.build\n+++ b/src/ipa/rpi/cam_helper/meson.build\n@@ -2,6 +2,7 @@\n \n rpi_ipa_cam_helper_sources = files([\n 'cam_helper.cpp',\n+ 'cam_helper_default.cpp',\n 'cam_helper_ov5647.cpp',\n 'cam_helper_imx219.cpp',\n 'cam_helper_imx283.cpp',\n", "prefixes": [ "05/11" ] }