{"id":3590,"url":"https://patchwork.libcamera.org/api/1.1/patches/3590/?format=json","web_url":"https://patchwork.libcamera.org/patch/3590/","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":"<20200428091934.341550-4-jacopo@jmondi.org>","date":"2020-04-28T09:19:31","name":"[libcamera-devel,v5,4/7] libcamera: camera_sensor: Define CameraSensorInfo","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"94aeced3b7554338f9b434e7702e0ba1ad8296c1","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/3590/mbox/","series":[{"id":842,"url":"https://patchwork.libcamera.org/api/1.1/series/842/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=842","date":"2020-04-28T09:17:13","name":"libcamera: Add CameraSensorInfo","version":5,"mbox":"https://patchwork.libcamera.org/series/842/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/3590/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/3590/checks/","tags":{},"headers":{"Return-Path":"","Received":["from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net\n\t[217.70.183.194])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5B7AC61AD4\n\tfor ;\n\tTue, 28 Apr 2020 11:16:37 +0200 (CEST)","from uno.homenet.telecomitalia.it (a-ur1-85.tin.it\n\t[212.216.150.148]) (Authenticated sender: jacopo@jmondi.org)\n\tby relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 4D57C40008;\n\tTue, 28 Apr 2020 09:16:36 +0000 (UTC)"],"X-Originating-IP":"212.216.150.148","From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 28 Apr 2020 11:19:31 +0200","Message-Id":"<20200428091934.341550-4-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.26.1","In-Reply-To":"<20200428091934.341550-1-jacopo@jmondi.org>","References":"<20200428091934.341550-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v5 4/7] libcamera: camera_sensor: Define\n\tCameraSensorInfo","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":"Tue, 28 Apr 2020 09:16:38 -0000"},"content":"Define the CameraSensorInfo structure that reports the current image sensor\nconfiguration.\n\nReviewed-by: Laurent Pinchart \nSigned-off-by: Jacopo Mondi \n---\n src/libcamera/camera_sensor.cpp | 81 +++++++++++++++++++++++++++\n src/libcamera/include/camera_sensor.h | 13 +++++\n 2 files changed, 94 insertions(+)\n\n--\n2.26.1","diff":"diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp\nindex 53bb814225e8..2c016791e32f 100644\n--- a/src/libcamera/camera_sensor.cpp\n+++ b/src/libcamera/camera_sensor.cpp\n@@ -28,6 +28,87 @@ namespace libcamera {\n\n LOG_DEFINE_CATEGORY(CameraSensor);\n\n+/**\n+ * \\struct CameraSensorInfo\n+ * \\brief Report the image sensor characteristics\n+ *\n+ * The structure reports image sensor characteristics used by IPA modules to\n+ * tune their algorithms based on the image sensor model currently in use and\n+ * its configuration.\n+ *\n+ * The reported information describes the sensor's intrinsics characteristics,\n+ * such as its pixel array size and the sensor model name, as well as\n+ * information relative to the currently configured mode, such as the produced\n+ * image size and the bit depth of the requested image format.\n+ *\n+ * Instances of this structure are meant to be assembled by the CameraSensor\n+ * class by inspecting the sensor static properties as well as information\n+ * relative to the current configuration.\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::model\n+ * \\brief The image sensor model name\n+ *\n+ * The sensor model name is a free-formed string that uniquely identifies the\n+ * sensor model.\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::bitsPerPixel\n+ * \\brief The number of bits per pixel of the image format produced by the\n+ * image sensor\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::activeAreaSize\n+ * \\brief The size of the pixel array active area of the sensor\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::analogCrop\n+ * \\brief The portion of the pixel array active area which is read-out and\n+ * processed\n+ *\n+ * The analog crop rectangle top-left corner is defined as the displacement\n+ * from the top-left corner of the pixel array active area. The rectangle\n+ * horizontal and vertical sizes define the portion of the pixel array which\n+ * is read-out and provided to the sensor's internal processing pipeline, before\n+ * any pixel sub-sampling method, such as pixel binning, skipping and averaging\n+ * take place.\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::outputSize\n+ * \\brief The size of the images produced by the camera sensor\n+ *\n+ * The output image size defines the horizontal and vertical sizes of the images\n+ * produced by the image sensor. The output image size is defined as the end\n+ * result of the sensor's internal image processing pipeline stages, applied on\n+ * the pixel array portion defined by the analog crop rectangle. Each image\n+ * processing stage that performs pixel sub-sampling techniques, such as pixel\n+ * binning or skipping, or perform any additional digital scaling concur in the\n+ * definition of the output image size.\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::pixelRate\n+ * \\brief The number of pixels produced in a second\n+ *\n+ * To obtain the read-out time in seconds of a full line:\n+ *\n+ * \\verbatim\n+\tlineDuration(s) = lineLength(pixels) / pixelRate(pixels per second)\n+ \\endverbatim\n+ */\n+\n+/**\n+ * \\var CameraSensorInfo::lineLength\n+ * \\brief Total line length in pixels\n+ *\n+ * The total line length in pixel clock periods, including blanking.\n+ */\n+\n /**\n * \\class CameraSensor\n * \\brief A camera sensor based on V4L2 subdevices\ndiff --git a/src/libcamera/include/camera_sensor.h b/src/libcamera/include/camera_sensor.h\nindex e68185370eb2..33997f2ed7f2 100644\n--- a/src/libcamera/include/camera_sensor.h\n+++ b/src/libcamera/include/camera_sensor.h\n@@ -22,6 +22,19 @@ class V4L2Subdevice;\n\n struct V4L2SubdeviceFormat;\n\n+struct CameraSensorInfo {\n+\tstd::string model;\n+\n+\tuint32_t bitsPerPixel;\n+\n+\tSize activeAreaSize;\n+\tRectangle analogCrop;\n+\tSize outputSize;\n+\n+\tuint64_t pixelRate;\n+\tuint32_t lineLength;\n+};\n+\n class CameraSensor : protected Loggable\n {\n public:\n","prefixes":["libcamera-devel","v5","4/7"]}