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{ "id": 19175, "url": "https://patchwork.libcamera.org/api/1.1/patches/19175/?format=api", "web_url": "https://patchwork.libcamera.org/patch/19175/", "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": "<20231022224159.30298-7-laurent.pinchart@ideasonboard.com>", "date": "2023-10-22T22:41:57", "name": "[libcamera-devel,v6,19/12] libcamera: camera_sensor: Cache mounting orientation instead of transform", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "c7f61ee77dd91fe44eda62f40ca3e08862981992", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/19175/mbox/", "series": [ { "id": 4053, "url": "https://patchwork.libcamera.org/api/1.1/series/4053/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4053", "date": "2023-10-19T14:01:21", "name": "libcamera: Replace CameraConfiguration::transform", "version": 6, "mbox": "https://patchwork.libcamera.org/series/4053/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/19175/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/19175/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 391F3C32B8\n\tfor <parsemail@patchwork.libcamera.org>;\n\tSun, 22 Oct 2023 22:42:06 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 664DA6298D;\n\tMon, 23 Oct 2023 00:42:03 +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 A29B26297F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 23 Oct 2023 00:41:59 +0200 (CEST)", "from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi\n\t[213.243.189.158])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 4F242749;\n\tMon, 23 Oct 2023 00:41:49 +0200 (CEST)" ], "DKIM-Signature": [ "v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"bFBfwf6g\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Mon, 23 Oct 2023 01:41:57 +0300", "Message-ID": "<20231022224159.30298-7-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.41.0", "In-Reply-To": "<20231019140133.32090-1-jacopo.mondi@ideasonboard.com>", "References": "<20231019140133.32090-1-jacopo.mondi@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v6 19/12] libcamera: camera_sensor: Cache\n\tmounting orientation instead of transform", "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>", "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "The cached rotationTransform_ value is used in computeTransform() only,\nto compute the mounting orientation. Cache the mounting orientation\ninstead, removing the need for the intermediate conversion of the\nrotation to a transform.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n include/libcamera/internal/camera_sensor.h | 3 ++-\n src/libcamera/camera_sensor.cpp | 18 ++++++++----------\n 2 files changed, 10 insertions(+), 11 deletions(-)", "diff": "diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h\nindex bcdb2d834dc3..60a8b106d175 100644\n--- a/include/libcamera/internal/camera_sensor.h\n+++ b/include/libcamera/internal/camera_sensor.h\n@@ -17,6 +17,7 @@\n #include <libcamera/control_ids.h>\n #include <libcamera/controls.h>\n #include <libcamera/geometry.h>\n+#include <libcamera/orientation.h>\n #include <libcamera/transform.h>\n \n #include <libcamera/ipa/core_ipa_interface.h>\n@@ -114,7 +115,7 @@ private:\n \tRectangle activeArea_;\n \tconst BayerFormat *bayerFormat_;\n \tbool supportFlips_;\n-\tTransform rotationTransform_;\n+\tOrientation mountingOrientation_;\n \n \tControlList properties_;\n \ndiff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp\nindex f175f8b56077..d92616722bc3 100644\n--- a/src/libcamera/camera_sensor.cpp\n+++ b/src/libcamera/camera_sensor.cpp\n@@ -470,12 +470,12 @@ int CameraSensor::initProperties()\n \t\t * rotation for later use in computeTransform().\n \t\t */\n \t\tbool success;\n-\t\trotationTransform_ = transformFromRotation(propertyValue, &success);\n+\t\tmountingOrientation_ = orientationFromRotation(propertyValue, &success);\n \t\tif (!success) {\n \t\t\tLOG(CameraSensor, Warning)\n \t\t\t\t<< \"Invalid rotation of \" << propertyValue\n \t\t\t\t<< \" degrees - ignoring\";\n-\t\t\trotationTransform_ = Transform::Identity;\n+\t\t\tmountingOrientation_ = Orientation::Rotate0;\n \t\t}\n \n \t\tproperties_.set(properties::Rotation, propertyValue);\n@@ -483,7 +483,7 @@ int CameraSensor::initProperties()\n \t\tLOG(CameraSensor, Warning)\n \t\t\t<< \"Rotation control not available, default to 0 degrees\";\n \t\tproperties_.set(properties::Rotation, 0);\n-\t\trotationTransform_ = Transform::Identity;\n+\t\tmountingOrientation_ = Orientation::Rotate0;\n \t}\n \n \tproperties_.set(properties::PixelArraySize, pixelArraySize_);\n@@ -1137,14 +1137,12 @@ void CameraSensor::updateControlInfo()\n */\n Transform CameraSensor::computeTransform(Orientation *orientation) const\n {\n-\tOrientation mountingOrientation = transformToOrientation(rotationTransform_);\n-\n \t/*\n \t * If we cannot do any flips we cannot change the native camera mounting\n \t * orientation.\n \t */\n \tif (!supportFlips_) {\n-\t\t*orientation = mountingOrientation;\n+\t\t*orientation = mountingOrientation_;\n \t\treturn Transform::Identity;\n \t}\n \n@@ -1153,17 +1151,17 @@ Transform CameraSensor::computeTransform(Orientation *orientation) const\n \t * from the mounting rotation.\n \t *\n \t * As a note:\n-\t * \torientation / mountingOrientation = transform\n-\t * \tmountingOrientation * transform = orientation\n+\t * \torientation / mountingOrientation_ = transform\n+\t * \tmountingOrientation_ * transform = orientation\n \t */\n-\tTransform transform = *orientation / mountingOrientation;\n+\tTransform transform = *orientation / mountingOrientation_;\n \n \t/*\n \t * If transform contains any Transpose we cannot do it, so adjust\n \t * 'orientation' to report the image native orientation and return Identity.\n \t */\n \tif (!!(transform & Transform::Transpose)) {\n-\t\t*orientation = mountingOrientation;\n+\t\t*orientation = mountingOrientation_;\n \t\treturn Transform::Identity;\n \t}\n \n", "prefixes": [ "libcamera-devel", "v6", "19/12" ] }