{"id":3078,"url":"https://patchwork.libcamera.org/api/patches/3078/?format=json","web_url":"https://patchwork.libcamera.org/patch/3078/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20200309180444.725757-2-jacopo@jmondi.org>","date":"2020-03-09T18:04:39","name":"[libcamera-devel,v3,1/6] libcamera: properties: Define pixel array properties","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"62f27aedc927f48c6ee449ad2b5c11f04f0483cd","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/3078/mbox/","series":[{"id":717,"url":"https://patchwork.libcamera.org/api/series/717/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=717","date":"2020-03-09T18:04:38","name":"Camera properties and camera sensor factory","version":3,"mbox":"https://patchwork.libcamera.org/series/717/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/3078/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/3078/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 B8127628BD\n\tfor ;\n\tMon, 9 Mar 2020 19:02:08 +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 relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 7FADE40005\n\tfor ;\n\tMon, 9 Mar 2020 18:02:08 +0000 (UTC)"],"X-Originating-IP":"93.34.114.233","From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Mon, 9 Mar 2020 19:04:39 +0100","Message-Id":"<20200309180444.725757-2-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.25.0","In-Reply-To":"<20200309180444.725757-1-jacopo@jmondi.org>","References":"<20200309180444.725757-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 1/6] libcamera: properties: Define\n\tpixel array 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":"Mon, 09 Mar 2020 18:02:08 -0000"},"content":"Add definition of pixel array related properties.\n\nSigned-off-by: Jacopo Mondi \n\n---\nv2 -> v3:\n- Pluralize PixelAreaSizes\n- Use the new 'size' property in place of 'compound'.\n I tried to set meaningful values but it's not easy to get them right..\n---\n src/libcamera/property_ids.yaml | 177 ++++++++++++++++++++++++++++++++\n 1 file changed, 177 insertions(+)","diff":"diff --git a/src/libcamera/property_ids.yaml b/src/libcamera/property_ids.yaml\nindex ce627fa042ba..4cecb5ad9ac3 100644\n--- a/src/libcamera/property_ids.yaml\n+++ b/src/libcamera/property_ids.yaml\n@@ -386,4 +386,181 @@ controls:\n | |\n | |\n +--------------------+\n+\n+ - PixelArraySize:\n+ type: float\n+ size: [2]\n+ description: |\n+ The physical sizes of the pixel array (width and height), in\n+ millimeters.\n+\n+ - PixelArrayBounds:\n+ type: int32_t\n+ size: [2]\n+ description: |\n+ The camera sensor pixel array bounding rectangle vertical and\n+ horizontal sizes.\n+\n+ For image sensors with a rectangular pixel array the sizes described by\n+ this property are the same as the PixelAreaSize property size.\n+\n+ For image sensors with more complex pixel array displacements (such as\n+ cross-shaped pixel arrays, non symmetrical pixel arrays etc) this\n+ property represents the bounding rectangle in which all pixel array\n+ dimensions are inscribed into.\n+\n+ In example, the bounding rectangle sizes for image sensor with a\n+ cross-shaped pixel array is described as\n+\n+\n+ PixelArrayBound(0) = width\n+ /-----------------/\n+\n+ (0,0)-> +----+------+----+ /\n+ | |//////| | |\n+ +----+//////+----+ |\n+ |////////////////| | PixelArrayBound(1) = height\n+ +----+//////+----+ |\n+ | |//////| | |\n+ +----+------+----+ /\n+ |\n+ -> Cross-shaped pixel area\n+\n+ - PixelArrays:\n+ type: int32_t\n+ size: [8]\n+ description: |\n+ The sensor pixel array rectangles, relative to the rectangle described\n+ by the PixelArrayBounds property.\n+\n+ This property describes an arbitrary number of (likely overlapping)\n+ rectangles, representing the pixel array areas the sensor is composed\n+ of.\n+\n+ Each rectangle is defined by its displacement from pixel (0, 0) of\n+ the bounding rectangle described by the PixelArrayBound property.\n+\n+ For image sensors with a rectangular pixel array, a single rectangle\n+ is required. For sensors with more complex pixel array displacements\n+ multiple rectangles shall be specified, ordered from the tallest to the\n+ shorter one.\n+\n+ For each rectangle, this property reports the full pixel array size,\n+ including non-active pixels, black level calibration pixels etc.\n+\n+ In example, a simple sensor with a rectangular pixel array is described\n+ as\n+\n+ PixelArrayBound(0) = width\n+ /-----------------/\n+ x1 x2\n+ (0,0)-> +-o------------o-+ /\n+ y1 o +------------+ | |\n+ | |////////////| | |\n+ | |////////////| | | PixelArrayBound(1) = height\n+ | |////////////| | |\n+ y2 o +------------+ | |\n+ +----------------+ /\n+\n+ PixelArray = (x1, y1, (x2 - x1), (y2 - y1))\n+\n+ A more complex sensor, with a cross shaped pixel array displacement\n+ is described with 2 rectangles, with the vertical rectangle\n+ described first\n+\n+ PixelArrayBound(0) = width\n+ /-----------------/\n+ x1 x2 x3 x4 W\n+ (0,0)-> +o---o------o---o+ /\n+ | |//////| | |\n+ y1 o+---+------+---+| |\n+ ||///|//////|///|| | PixelArrayBound(1) = height\n+ y2 o+---+------+---+| |\n+ | |//////| | |\n+ H +----+------+----+ /\n+\n+\n+ PixelArray = ( (x2, 0, (x3 - x2), H),\n+ (x1, y1, (x4 - x1), (y2 - y1))\n+\n+ - ActiveAreaSizes:\n+ type: int32_t\n+ size: [8]\n+ description: |\n+ The sensor active pixel area sizes, represented as rectangles\n+ inscribed in the ones described by the PixelArrays property.\n+\n+ One ActiveAreaSize rectangle per each rectangle described in the\n+ PixelArrays property is required. As a consequence, the two properties\n+ shall transport the same number of elements.\n+\n+ The ActiveAreaSize rectangles represent the maximum image sizes the\n+ sensor can produce.\n+\n+ - BayerFilterArrangement:\n+ type: int32_t\n+ description: |\n+ The pixel array color filter displacement.\n+\n+ This property describes the arrangement and readout sequence of the\n+ three RGB color components of the sensor's Bayer Color Filter Array\n+ (CFA).\n+\n+ Color filters are usually displaced in line-alternating fashion on the\n+ sensor pixel array. In example, one line might be composed of Red-Green\n+ while the successive is composed of Blue-Green color information.\n+\n+ The value of this property represent the arrangement of color filters\n+ in the top-left 2x2 pixel square.\n+\n+ In example, for a sensor with the following color filter displacement\n+\n+ (0, 0) (max-col)\n+ +---+ +--------------...---+\n+ |B|G|<---|B|G|B|G|B|G|B|...B|G|\n+ |G|R|<---|G|R|G|R|G|R|G|...G|R|\n+ +---+ |B|G|B|G|B|G|B|...B|G|\n+ ... ..\n+ ... ..\n+ |G|R|G|R|G|R|G|...G|R|\n+ |B|G|B|G|B|G|B|...B|G| (max-lines)\n+ +--------------...---+\n+\n+ The filer arrangement is represented by the BGGR value, which correspond\n+ to the pixel readout sequence in line interleaved mode.\n+\n+ enum:\n+ - name: BayerFilterRGGB\n+ value: 0\n+ description: |\n+ Color filter array displacement is Red-Green/Green-Blue\n+\n+ - name: BayerFilterGRBG\n+ value: 1\n+ description: |\n+ Color filter array displacement is Green-Red/Blue-Green\n+\n+ - name: BayerFilterGBRG\n+ value: 2\n+ description: |\n+ Color filter array displacement is Green-Blue/Red-Green\n+\n+ - name: BayerFilterBGGR\n+ value: 3\n+ description: |\n+ Color filter array displacement is Blue-Green/Green-Red\n+\n+ - name: BayerFilterNonStandard\n+ value: 4\n+ description: |\n+ The pixel array color filter does not use the standard Bayer RGB\n+ color model\n+\n+ - ISOSensitivityRange:\n+ type: int32_t\n+ size: [2]\n+ description: |\n+ The range of supported ISO sensitivities, as documented by the\n+ ISO 12232:2006 standard\n+\n ...\n","prefixes":["libcamera-devel","v3","1/6"]}