{"id":14802,"url":"https://patchwork.libcamera.org/api/1.1/patches/14802/?format=json","web_url":"https://patchwork.libcamera.org/patch/14802/","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":"<20211126104045.4756-7-david.plowman@raspberrypi.com>","date":"2021-11-26T10:40:44","name":"[libcamera-devel,v7,6/7] libcamera: Add validateColorSpaces to CameraConfiguration class","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"562eaa633eeb7e82ef4b43a09474e727b1ef93d2","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/14802/mbox/","series":[{"id":2761,"url":"https://patchwork.libcamera.org/api/1.1/series/2761/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2761","date":"2021-11-26T10:40:38","name":"Colour spaces","version":7,"mbox":"https://patchwork.libcamera.org/series/2761/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/14802/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/14802/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 D90DFC324F\n\tfor ;\n\tFri, 26 Nov 2021 10:41:13 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 75538604FB;\n\tFri, 26 Nov 2021 11:41:13 +0100 (CET)","from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com\n\t[IPv6:2a00:1450:4864:20::32e])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 00BBE604FB\n\tfor ;\n\tFri, 26 Nov 2021 11:41:04 +0100 (CET)","by mail-wm1-x32e.google.com with SMTP id y196so7709171wmc.3\n\tfor ;\n\tFri, 26 Nov 2021 02:41:03 -0800 (PST)","from pi4-davidp.pitowers.org\n\t([2a00:1098:3142:14:e4a2:3070:eea4:e434])\n\tby smtp.gmail.com with ESMTPSA id\n\ty7sm5106795wrw.55.2021.11.26.02.41.02\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 26 Nov 2021 02:41:03 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=raspberrypi.com header.i=@raspberrypi.com\n\theader.b=\"nInGg2E1\"; 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\n\tFri, 26 Nov 2021 02:41:03 -0800 (PST)","From":"David Plowman ","To":"Laurent Pinchart ,\n\tKieran Bingham ,\n\tHans Verkuil , Tomasz Figa , \n\tJacopo Mondi ,\n\tNaushir Patuck , \n\tlibcamera-devel@lists.libcamera.org","Date":"Fri, 26 Nov 2021 10:40:44 +0000","Message-Id":"<20211126104045.4756-7-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.30.2","In-Reply-To":"<20211126104045.4756-1-david.plowman@raspberrypi.com>","References":"<20211126104045.4756-1-david.plowman@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v7 6/7] libcamera: Add validateColorSpaces\n\tto CameraConfiguration class","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 method forces raw streams to have the \"raw\" color space, and also\noptionally makes all output streams to share the same color space as\nsome platforms may require this.\n\nSigned-off-by: David Plowman \n---\n include/libcamera/camera.h | 2 ++\n src/libcamera/camera.cpp | 38 ++++++++++++++++++++++++++++++++++++++\n 2 files changed, 40 insertions(+)","diff":"diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h\nindex a7759ccb..32a7f812 100644\n--- a/include/libcamera/camera.h\n+++ b/include/libcamera/camera.h\n@@ -69,6 +69,8 @@ public:\n protected:\n \tCameraConfiguration();\n \n+\tStatus validateColorSpaces(bool sharedColorSpace);\n+\n \tstd::vector config_;\n };\n \ndiff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp\nindex 400a7cf0..dd06f600 100644\n--- a/src/libcamera/camera.cpp\n+++ b/src/libcamera/camera.cpp\n@@ -20,6 +20,7 @@\n \n #include \"libcamera/internal/camera.h\"\n #include \"libcamera/internal/camera_controls.h\"\n+#include \"libcamera/internal/formats.h\"\n #include \"libcamera/internal/pipeline_handler.h\"\n \n /**\n@@ -314,6 +315,43 @@ std::size_t CameraConfiguration::size() const\n \treturn config_.size();\n }\n \n+static bool isRaw(const PixelFormat &pixFmt)\n+{\n+\tconst PixelFormatInfo &info = PixelFormatInfo::info(pixFmt);\n+\treturn info.isValid() &&\n+\t info.colourEncoding == PixelFormatInfo::ColourEncodingRAW;\n+}\n+\n+CameraConfiguration::Status CameraConfiguration::validateColorSpaces(bool shareOuputColorSpaces)\n+{\n+\tStatus status = Valid;\n+\n+\t/*\n+\t * Set all raw streams to the Raw color space, and make a note of the largest\n+\t * non-raw stream with a defined color space (if there is one).\n+\t */\n+\tint index = -1;\n+\tfor (auto [i, cfg] : utils::enumerate(config_)) {\n+\t\tif (isRaw(cfg.pixelFormat))\n+\t\t\tcfg.colorSpace = ColorSpace::Raw;\n+\t\telse if (cfg.colorSpace && (index == -1 || cfg.size > config_[i].size))\n+\t\t\tindex = i;\n+\t}\n+\n+\t/* Make all output color spaces the same, if requested. */\n+\tif (index >= 0 && shareOuputColorSpaces) {\n+\t\tfor (auto &cfg : config_) {\n+\t\t\tif (!isRaw(cfg.pixelFormat) &&\n+\t\t\t cfg.colorSpace != config_[index].colorSpace) {\n+\t\t\t\tcfg.colorSpace = config_[index].colorSpace;\n+\t\t\t\tstatus = Adjusted;\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\treturn status;\n+}\n+\n /**\n * \\var CameraConfiguration::transform\n * \\brief User-specified transform to be applied to the image\n","prefixes":["libcamera-devel","v7","6/7"]}