{"id":24560,"url":"https://patchwork.libcamera.org/api/patches/24560/?format=json","web_url":"https://patchwork.libcamera.org/patch/24560/","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":"<20251003121821.659081-4-naush@raspberrypi.com>","date":"2025-10-03T12:15:54","name":"[v2,3/4] ipa: rpi: pisp: Add a DecompandAlgorithm class","commit_ref":"413f03a7384fc675025c258c69bcd26b7ccb159d","pull_url":null,"state":"accepted","archived":false,"hash":"9de6ce4f0ec0b3c6a754892863f82dbc103308f9","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/?format=json","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/24560/mbox/","series":[{"id":5477,"url":"https://patchwork.libcamera.org/api/series/5477/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5477","date":"2025-10-03T12:15:51","name":"Raspberry Pi: Decompanding support","version":2,"mbox":"https://patchwork.libcamera.org/series/5477/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/24560/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/24560/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 BB531C3261\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  3 Oct 2025 12:18:40 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A42F56B614;\n\tFri,  3 Oct 2025 14:18:37 +0200 (CEST)","from mail-wr1-x429.google.com (mail-wr1-x429.google.com\n\t[IPv6:2a00:1450:4864:20::429])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C847A6B5FF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  3 Oct 2025 14:18:32 +0200 (CEST)","by mail-wr1-x429.google.com with SMTP id\n\tffacd0b85a97d-401ce0cae36so85143f8f.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 03 Oct 2025 05:18:32 -0700 (PDT)","from NAUSH-P-DELL.pitowers.org ([93.93.133.154])\n\tby smtp.gmail.com with ESMTPSA id\n\tffacd0b85a97d-4255d8f02a8sm7812529f8f.39.2025.10.03.05.18.31\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 03 Oct 2025 05:18:31 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tFri, 03 Oct 2025 05:18:32 -0700 (PDT)","From":"Naushir Patuck <naush@raspberrypi.com>","To":"libcamera-devel@lists.libcamera.org","Cc":"David Plowman <david.plowman@raspberrypi.com>,\n\tNick Hollinghurst <nick.hollinghurst@raspberrypi.com>,\n\tNaushir Patuck <naush@raspberrypi.com>","Subject":"[PATCH v2 3/4] ipa: rpi: pisp: Add a DecompandAlgorithm class","Date":"Fri,  3 Oct 2025 13:15:54 +0100","Message-ID":"<20251003121821.659081-4-naush@raspberrypi.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20251003121821.659081-1-naush@raspberrypi.com>","References":"<20251003121821.659081-1-naush@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":"The decompand algorithm implementation will subclass the\nDecompandAlgorithm class. This will be needed for setting the initial\ndecompand values in a future commit.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nTested-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>\n---\n src/ipa/rpi/controller/decompand_algorithm.h | 24 ++++++++++++++++++++\n src/ipa/rpi/controller/rpi/decompand.cpp     |  2 +-\n src/ipa/rpi/controller/rpi/decompand.h       |  5 ++--\n 3 files changed, 27 insertions(+), 4 deletions(-)\n create mode 100644 src/ipa/rpi/controller/decompand_algorithm.h","diff":"diff --git a/src/ipa/rpi/controller/decompand_algorithm.h b/src/ipa/rpi/controller/decompand_algorithm.h\nnew file mode 100644\nindex 000000000000..f19f8c109323\n--- /dev/null\n+++ b/src/ipa/rpi/controller/decompand_algorithm.h\n@@ -0,0 +1,24 @@\n+/* SPDX-License-Identifier: BSD-2-Clause */\n+/*\n+ * Copyright (C) 2025, Raspberry Pi Ltd\n+ *\n+ * Decompand control algorithm interface\n+ */\n+#pragma once\n+\n+#include \"libipa/pwl.h\"\n+\n+#include \"algorithm.h\"\n+\n+namespace RPiController {\n+\n+class DecompandAlgorithm : public Algorithm\n+{\n+public:\n+\tDecompandAlgorithm(Controller *controller = NULL)\n+\t\t: Algorithm(controller)\n+\t{\n+\t}\n+};\n+\n+} /* namespace RPiController */\ndiff --git a/src/ipa/rpi/controller/rpi/decompand.cpp b/src/ipa/rpi/controller/rpi/decompand.cpp\nindex 2036750f82f4..5b4c2e5524af 100644\n--- a/src/ipa/rpi/controller/rpi/decompand.cpp\n+++ b/src/ipa/rpi/controller/rpi/decompand.cpp\n@@ -13,7 +13,7 @@ LOG_DEFINE_CATEGORY(RPiDecompand)\n #define NAME \"rpi.decompand\"\n \n Decompand::Decompand(Controller *controller)\n-\t: Algorithm(controller)\n+\t: DecompandAlgorithm(controller)\n {\n }\n \ndiff --git a/src/ipa/rpi/controller/rpi/decompand.h b/src/ipa/rpi/controller/rpi/decompand.h\nindex 38b26a21e6d5..0f2a9b3bbdc4 100644\n--- a/src/ipa/rpi/controller/rpi/decompand.h\n+++ b/src/ipa/rpi/controller/rpi/decompand.h\n@@ -2,10 +2,9 @@\n \n #include <libipa/pwl.h>\n \n+#include \"../decompand_algorithm.h\"\n #include \"../decompand_status.h\"\n \n-#include \"algorithm.h\"\n-\n namespace RPiController {\n \n struct DecompandConfig {\n@@ -13,7 +12,7 @@ struct DecompandConfig {\n \tlibcamera::ipa::Pwl decompandCurve;\n };\n \n-class Decompand : public Algorithm\n+class Decompand : public DecompandAlgorithm\n {\n public:\n \tDecompand(Controller *controller = nullptr);\n","prefixes":["v2","3/4"]}