{"id":24244,"url":"https://patchwork.libcamera.org/api/1.1/patches/24244/?format=json","web_url":"https://patchwork.libcamera.org/patch/24244/","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":"<20250827090739.86955-7-david.plowman@raspberrypi.com>","date":"2025-08-27T09:07:33","name":"[RFC,06/12] ipa: rpi: cam_helper: Add CamHelperDefault class","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"95fa3a148a6882ca12637bbe37e230942d67866e","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/1.1/people/42/?format=json","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/24244/mbox/","series":[{"id":5407,"url":"https://patchwork.libcamera.org/api/1.1/series/5407/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5407","date":"2025-08-27T09:07:27","name":"Bayer Re-Processing","version":1,"mbox":"https://patchwork.libcamera.org/series/5407/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/24244/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/24244/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 CCF20C32BB\n\tfor ;\n\tWed, 27 Aug 2025 09:08:04 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E6CBA692F9;\n\tWed, 27 Aug 2025 11:08:02 +0200 (CEST)","from mail-wm1-x333.google.com (mail-wm1-x333.google.com\n\t[IPv6:2a00:1450:4864:20::333])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0FBC5692FA\n\tfor ;\n\tWed, 27 Aug 2025 11:07:49 +0200 (CEST)","by mail-wm1-x333.google.com with SMTP id\n\t5b1f17b1804b1-45a1b0c82eeso56313375e9.3\n\tfor ;\n\tWed, 27 Aug 2025 02:07:49 -0700 (PDT)","from raspberrypi.pitowers.org\n\t([2a00:1098:3142:1f:ffc9:aff6:7f7f:893b])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-45b6f30fe02sm21498675e9.18.2025.08.27.02.07.46\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 27 Aug 2025 02:07:47 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tWed, 27 Aug 2025 02:07:47 -0700 (PDT)","From":"David Plowman ","To":"libcamera-devel@lists.libcamera.org","Cc":"David Plowman ","Subject":"[RFC PATCH 06/12] ipa: rpi: cam_helper: Add CamHelperDefault class","Date":"Wed, 27 Aug 2025 10:07:33 +0100","Message-Id":"<20250827090739.86955-7-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.39.5","In-Reply-To":"<20250827090739.86955-1-david.plowman@raspberrypi.com>","References":"<20250827090739.86955-1-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":"","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":"This will help make \"memory cameras\" work where there is no real\nsensor.\n\nSigned-off-by: David Plowman \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 \n+#include \n+#include \n+#include \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 7433cffd..6f4c86e7 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":["RFC","06/12"]}