{"id":11952,"url":"https://patchwork.libcamera.org/api/1.1/patches/11952/?format=json","web_url":"https://patchwork.libcamera.org/patch/11952/","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":"<20210415135213.94511-5-jacopo@jmondi.org>","date":"2021-04-15T13:52:12","name":"[libcamera-devel,v6,4/5] android: camera_device: Get properties from configuration","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"8a866be34b1bf1023eb2414e7f2c39718ef5afad","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/1.1/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":{"id":15,"url":"https://patchwork.libcamera.org/api/1.1/users/15/?format=json","username":"jmondi","first_name":"Jacopo","last_name":"Mondi","email":"jacopo@jmondi.org"},"mbox":"https://patchwork.libcamera.org/patch/11952/mbox/","series":[{"id":1936,"url":"https://patchwork.libcamera.org/api/1.1/series/1936/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1936","date":"2021-04-15T13:52:08","name":"android: Introduce HAL configuration file","version":6,"mbox":"https://patchwork.libcamera.org/series/1936/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/11952/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/11952/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 6AC7EBD22F\n\tfor ;\n\tThu, 15 Apr 2021 13:51:43 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 46B1668812;\n\tThu, 15 Apr 2021 15:51:42 +0200 (CEST)","from relay10.mail.gandi.net (relay10.mail.gandi.net\n\t[217.70.178.230])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 57F7E605AE\n\tfor ;\n\tThu, 15 Apr 2021 15:51:39 +0200 (CEST)","from uno.LocalDomain (93-61-96-190.ip145.fastwebnet.it\n\t[93.61.96.190]) (Authenticated sender: jacopo@jmondi.org)\n\tby relay10.mail.gandi.net (Postfix) with ESMTPSA id 1D68024000F\n\tfor ;\n\tThu, 15 Apr 2021 13:51:38 +0000 (UTC)"],"From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 15 Apr 2021 15:52:12 +0200","Message-Id":"<20210415135213.94511-5-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.31.1","In-Reply-To":"<20210415135213.94511-1-jacopo@jmondi.org>","References":"<20210415135213.94511-1-jacopo@jmondi.org>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH v6 4/5] android: camera_device: Get\n\tproperties from configuration","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","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Open the HAL configuration file in the Camera HAL manager and get\nthe camera properties for each created CameraDevice and initialize it\nwith them.\n\nReviewed-by: Laurent Pinchart \nSigned-off-by: Jacopo Mondi \n---\n src/android/camera_device.cpp | 56 +++++++++++++++++++++++++-----\n src/android/camera_device.h | 3 +-\n src/android/camera_hal_manager.cpp | 33 +++++++++++++++++-\n src/android/camera_hal_manager.h | 3 ++\n 4 files changed, 85 insertions(+), 10 deletions(-)","diff":"diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex 89044efa7ebe..50809c6ffbdc 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -6,6 +6,7 @@\n */\n \n #include \"camera_device.h\"\n+#include \"camera_hal_config.h\"\n #include \"camera_ops.h\"\n #include \"post_processor.h\"\n \n@@ -443,12 +444,25 @@ std::unique_ptr CameraDevice::create(unsigned int id,\n }\n \n /*\n- * Initialize the camera static information.\n+ * Initialize the camera static information retrieved from the\n+ * Camera::properties or from the cameraConfigData.\n+ *\n+ * cameraConfigData is optional for external camera devices and can be\n+ * nullptr.\n+ *\n * This method is called before the camera device is opened.\n */\n-int CameraDevice::initialize()\n+int CameraDevice::initialize(const CameraConfigData *cameraConfigData)\n {\n-\t/* Initialize orientation and facing side of the camera. */\n+\t/*\n+\t * Initialize orientation and facing side of the camera.\n+\t *\n+\t * If the libcamera::Camera provides those information as retrieved\n+\t * from firmware use them, otherwise fallback to values parsed from\n+\t * the configuration file. If the configuration file is not available\n+\t * the camera is external so its location and rotation can be safely\n+\t * defaulted.\n+\t */\n \tconst ControlList &properties = camera_->properties();\n \n \tif (properties.contains(properties::Location)) {\n@@ -464,12 +478,22 @@ int CameraDevice::initialize()\n \t\t\tfacing_ = CAMERA_FACING_EXTERNAL;\n \t\t\tbreak;\n \t\t}\n+\n+\t\tif (cameraConfigData && cameraConfigData->facing != -1 &&\n+\t\t facing_ != cameraConfigData->facing) {\n+\t\t\tLOG(HAL, Warning)\n+\t\t\t\t<< \"Camera location does not match\"\n+\t\t\t\t<< \" configuration file. Using \" << facing_;\n+\t\t}\n+\t} else if (cameraConfigData) {\n+\t\tif (cameraConfigData->facing == -1) {\n+\t\t\tLOG(HAL, Error)\n+\t\t\t\t<< \"Camera facing not in configuration file\";\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t\tfacing_ = cameraConfigData->facing;\n \t} else {\n-\t\t/*\n-\t\t * \\todo Retrieve the camera location from configuration file\n-\t\t * if not available from the library.\n-\t\t */\n-\t\tfacing_ = CAMERA_FACING_FRONT;\n+\t\tfacing_ = CAMERA_FACING_EXTERNAL;\n \t}\n \n \t/*\n@@ -483,8 +507,24 @@ int CameraDevice::initialize()\n \tif (properties.contains(properties::Rotation)) {\n \t\tint rotation = properties.get(properties::Rotation);\n \t\torientation_ = (360 - rotation) % 360;\n+\t\tif (cameraConfigData && cameraConfigData->rotation != -1 &&\n+\t\t orientation_ != cameraConfigData->rotation) {\n+\t\t\tLOG(HAL, Warning)\n+\t\t\t\t<< \"Camera orientation does not match\"\n+\t\t\t\t<< \" configuration file. Using \" << orientation_;\n+\t\t}\n+\t} else if (cameraConfigData) {\n+\t\tif (cameraConfigData->rotation == -1) {\n+\t\t\tLOG(HAL, Error)\n+\t\t\t\t<< \"Camera rotation not in configuration file\";\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\t\torientation_ = cameraConfigData->rotation;\n+\t} else {\n+\t\torientation_ = 0;\n \t}\n \n+\t/* Acquire the camera and initialize available stream configurations. */\n \tint ret = camera_->acquire();\n \tif (ret) {\n \t\tLOG(HAL, Error) << \"Failed to temporarily acquire the camera\";\ndiff --git a/src/android/camera_device.h b/src/android/camera_device.h\nindex 11bdfec8d587..9cc0d4005242 100644\n--- a/src/android/camera_device.h\n+++ b/src/android/camera_device.h\n@@ -29,6 +29,7 @@\n #include \"camera_worker.h\"\n #include \"jpeg/encoder.h\"\n \n+struct CameraConfigData;\n class CameraDevice : protected libcamera::Loggable\n {\n public:\n@@ -36,7 +37,7 @@ public:\n \t\t\t\t\t\t std::shared_ptr cam);\n \t~CameraDevice();\n \n-\tint initialize();\n+\tint initialize(const CameraConfigData *cameraConfigData);\n \n \tint open(const hw_module_t *hardwareModule);\n \tvoid close();\ndiff --git a/src/android/camera_hal_manager.cpp b/src/android/camera_hal_manager.cpp\nindex bf3fcda75237..f5b86974e8e3 100644\n--- a/src/android/camera_hal_manager.cpp\n+++ b/src/android/camera_hal_manager.cpp\n@@ -41,6 +41,15 @@ int CameraHalManager::init()\n {\n \tcameraManager_ = std::make_unique();\n \n+\t/*\n+\t * If the configuration file is not available the HAL only supports\n+\t * external cameras. If it exists but it's not valid then error out.\n+\t */\n+\tif (halConfig_.exists() && !halConfig_.isValid()) {\n+\t\tLOG(HAL, Error) << \"HAL configuration file is not valid\";\n+\t\treturn -EINVAL;\n+\t}\n+\n \t/* Support camera hotplug. */\n \tcameraManager_->cameraAdded.connect(this, &CameraHalManager::cameraAdded);\n \tcameraManager_->cameraRemoved.connect(this, &CameraHalManager::cameraRemoved);\n@@ -100,6 +109,8 @@ void CameraHalManager::cameraAdded(std::shared_ptr cam)\n \tauto iter = cameraIdsMap_.find(cam->id());\n \tif (iter != cameraIdsMap_.end()) {\n \t\tid = iter->second;\n+\t\tif (id >= firstExternalCameraId_)\n+\t\t\tisCameraExternal = true;\n \t} else {\n \t\tisCameraNew = true;\n \n@@ -117,7 +128,27 @@ void CameraHalManager::cameraAdded(std::shared_ptr cam)\n \n \t/* Create a CameraDevice instance to wrap the libcamera Camera. */\n \tstd::unique_ptr camera = CameraDevice::create(id, cam);\n-\tint ret = camera->initialize();\n+\n+\t/*\n+\t * The configuration file must be valid, and contain a corresponding\n+\t * entry for internal cameras. External cameras can be initialized\n+\t * without configuration file.\n+\t */\n+\tif (!isCameraExternal && !halConfig_.exists()) {\n+\t\tLOG(HAL, Error)\n+\t\t\t<< \"HAL configuration file is mandatory for internal cameras\";\n+\t\treturn;\n+\t}\n+\n+\tconst CameraConfigData *cameraConfigData = halConfig_.cameraConfigData(cam->id());\n+\tif (!isCameraExternal && !cameraConfigData) {\n+\t\tLOG(HAL, Error)\n+\t\t\t<< \"HAL configuration entry for internal camera \"\n+\t\t\t<< cam->id() << \" is missing\";\n+\t\treturn;\n+\t}\n+\n+\tint ret = camera->initialize(cameraConfigData);\n \tif (ret) {\n \t\tLOG(HAL, Error) << \"Failed to initialize camera: \" << cam->id();\n \t\treturn;\ndiff --git a/src/android/camera_hal_manager.h b/src/android/camera_hal_manager.h\nindex d9bf27989965..af1581da6579 100644\n--- a/src/android/camera_hal_manager.h\n+++ b/src/android/camera_hal_manager.h\n@@ -19,6 +19,8 @@\n \n #include \n \n+#include \"camera_hal_config.h\"\n+\n class CameraDevice;\n \n class CameraHalManager\n@@ -50,6 +52,7 @@ private:\n \tCameraDevice *cameraDeviceFromHalId(unsigned int id);\n \n \tstd::unique_ptr cameraManager_;\n+\tCameraHalConfig halConfig_;\n \n \tconst camera_module_callbacks_t *callbacks_;\n \tstd::vector> cameras_;\n","prefixes":["libcamera-devel","v6","4/5"]}