{"id":2390,"url":"https://patchwork.libcamera.org/api/1.1/patches/2390/?format=json","web_url":"https://patchwork.libcamera.org/patch/2390/","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":"<20191204132106.21582-7-jacopo@jmondi.org>","date":"2019-12-04T13:21:02","name":"[libcamera-devel,06/10] libcamera: camera_sensor: Parse camera properties","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"e65dd111676c25b5d0cc2b4ea6234ba7acdaf146","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/2390/mbox/","series":[{"id":581,"url":"https://patchwork.libcamera.org/api/1.1/series/581/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=581","date":"2019-12-04T13:20:56","name":"Introduce camera properties","version":1,"mbox":"https://patchwork.libcamera.org/series/581/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/2390/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/2390/checks/","tags":{},"headers":{"Return-Path":"","Received":["from relay10.mail.gandi.net (relay10.mail.gandi.net\n\t[217.70.178.230])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2A02161D00\n\tfor ;\n\tWed, 4 Dec 2019 14:21:23 +0100 (CET)","from uno.lan (93-34-114-233.ip49.fastwebnet.it [93.34.114.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay10.mail.gandi.net (Postfix) with ESMTPSA id C3F90240008;\n\tWed, 4 Dec 2019 13:21:22 +0000 (UTC)"],"From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 4 Dec 2019 14:21:02 +0100","Message-Id":"<20191204132106.21582-7-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.23.0","In-Reply-To":"<20191204132106.21582-1-jacopo@jmondi.org>","References":"<20191204132106.21582-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 06/10] libcamera: camera_sensor: Parse\n\tcamera properties","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","X-List-Received-Date":"Wed, 04 Dec 2019 13:21:23 -0000"},"content":"Parse and collect camera sensor properties by inspecting the associated\nv4l2 controls.\n\nAugment the CameraSensor class with an operation to retrieve the\ncollected properties.\n\nSigned-off-by: Jacopo Mondi \n---\n src/libcamera/camera_sensor.cpp | 46 ++++++++++++++++++++++++++-\n src/libcamera/include/camera_sensor.h | 6 +++-\n 2 files changed, 50 insertions(+), 2 deletions(-)","diff":"diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp\nindex 86f0c772861b..af1e218fbd27 100644\n--- a/src/libcamera/camera_sensor.cpp\n+++ b/src/libcamera/camera_sensor.cpp\n@@ -13,6 +13,8 @@\n #include \n #include \n \n+#include \n+\n #include \"formats.h\"\n #include \"utils.h\"\n #include \"v4l2_subdevice.h\"\n@@ -47,7 +49,7 @@ LOG_DEFINE_CATEGORY(CameraSensor);\n * Once constructed the instance must be initialized with init().\n */\n CameraSensor::CameraSensor(const MediaEntity *entity)\n-\t: entity_(entity)\n+\t: entity_(entity), properties_(properties::properties)\n {\n \tsubdev_ = new V4L2Subdevice(entity);\n }\n@@ -89,6 +91,42 @@ int CameraSensor::init()\n \tif (ret < 0)\n \t\treturn ret;\n \n+\t/* Retrieve and store the camera sensor properties. */\n+\tconst ControlInfoMap &controls = subdev_->controls();\n+\tint32_t propertyValue;\n+\n+\t/* Camera Location: default is front location. */\n+\tconst auto &locationControl = controls.find(V4L2_CID_CAMERA_SENSOR_LOCATION);\n+\tif (locationControl != controls.end()) {\n+\t\tint32_t v4l2Location =\n+\t\t\tlocationControl->second.defaultValue().get();\n+\t\tswitch (v4l2Location) {\n+\t\tcase V4L2_LOCATION_EXTERNAL:\n+\t\t\tpropertyValue = CAMERA_LOCATION_EXTERNAL;\n+\t\t\tbreak;\n+\t\tcase V4L2_LOCATION_FRONT:\n+\t\t\tpropertyValue = CAMERA_LOCATION_FRONT;\n+\t\t\tbreak;\n+\t\tcase V4L2_LOCATION_BACK:\n+\t\t\tpropertyValue = CAMERA_LOCATION_BACK;\n+\t\t\tbreak;\n+\t\tdefault:\n+\t\t\tLOG(CameraSensor, Error)\n+\t\t\t\t<< \"Unsupported camera location: \" << v4l2Location;\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t} else {\n+\t\tpropertyValue = CAMERA_LOCATION_FRONT;\n+\t}\n+\tproperties_.set(properties::Location, propertyValue);\n+\n+\t/* Camera Rotation: default is 0 degrees. */\n+\tpropertyValue = 0;\n+\tconst auto &rotationControl = controls.find(V4L2_CID_CAMERA_SENSOR_ROTATION);\n+\tif (rotationControl != controls.end())\n+\t\tpropertyValue = rotationControl->second.defaultValue().get();\n+\tproperties_.set(properties::Rotation, propertyValue);\n+\n \t/* Enumerate and cache media bus codes and sizes. */\n \tconst ImageFormats formats = subdev_->formats(0);\n \tif (formats.isEmpty()) {\n@@ -284,6 +322,12 @@ int CameraSensor::getControls(ControlList *ctrls)\n \treturn subdev_->getControls(ctrls);\n }\n \n+/**\n+ * \\fn CameraSensor::properties()\n+ * \\brief Retrieve the camera sensor properties\n+ * \\return The list of camera sensor properties\n+ */\n+\n /**\n * \\brief Write controls to the sensor\n * \\param[in] ctrls The list of controls to write\ndiff --git a/src/libcamera/include/camera_sensor.h b/src/libcamera/include/camera_sensor.h\nindex 1fb36a4f4951..68bfd1a4b8d6 100644\n--- a/src/libcamera/include/camera_sensor.h\n+++ b/src/libcamera/include/camera_sensor.h\n@@ -10,6 +10,7 @@\n #include \n #include \n \n+#include \n #include \n \n #include \"log.h\"\n@@ -17,7 +18,6 @@\n namespace libcamera {\n \n class ControlInfoMap;\n-class ControlList;\n class MediaEntity;\n class V4L2Subdevice;\n \n@@ -47,6 +47,8 @@ public:\n \tint getControls(ControlList *ctrls);\n \tint setControls(ControlList *ctrls);\n \n+\tconst ControlList &properties() const { return properties_; }\n+\n protected:\n \tstd::string logPrefix() const;\n \n@@ -56,6 +58,8 @@ private:\n \n \tstd::vector mbusCodes_;\n \tstd::vector sizes_;\n+\n+\tControlList properties_;\n };\n \n } /* namespace libcamera */\n","prefixes":["libcamera-devel","06/10"]}