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{ "id": 18539, "url": "https://patchwork.libcamera.org/api/covers/18539/?format=api", "web_url": "https://patchwork.libcamera.org/cover/18539/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/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": "<20230419085821.2682901-1-kieran.bingham@ideasonboard.com>", "date": "2023-04-19T08:58:18", "name": "[libcamera-devel,0/3] libcamera: Add new Camera devices property", "submitter": { "id": 4, "url": "https://patchwork.libcamera.org/api/people/4/?format=api", "name": "Kieran Bingham", "email": "kieran.bingham@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/18539/mbox/", "series": [ { "id": 3844, "url": "https://patchwork.libcamera.org/api/series/3844/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3844", "date": "2023-04-19T08:58:18", "name": "libcamera: Add new Camera devices property", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3844/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/18539/comments/", "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 D2F9DBE173\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 19 Apr 2023 08:58:32 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 29D5D627B9;\n\tWed, 19 Apr 2023 10:58:32 +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 52112627AB\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 19 Apr 2023 10:58:30 +0200 (CEST)", "from Monstersaurus.tail69b4.ts.net\n\t(aztw-30-b2-v4wan-166917-cust845.vm26.cable.virginm.net\n\t[82.37.23.78])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 8DE7C12F;\n\tWed, 19 Apr 2023 10:58:23 +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=\"FAv9krwr\"; dkim-atps=neutral", "To": "libcamera devel <libcamera-devel@lists.libcamera.org>", "Date": "Wed, 19 Apr 2023 09:58:18 +0100", "Message-Id": "<20230419085821.2682901-1-kieran.bingham@ideasonboard.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 0/3] libcamera: Add new Camera devices\n\tproperty", "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": "Kieran Bingham via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Kieran Bingham <kieran.bingham@ideasonboard.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "It can be beneficial to allow reporting the devices used by a camera to\nfacilitate de-duplication of resources when handling cameras from a\ncentralised infrastructure such as PipeWire.\n\nExpose a new property on all cameras which reports a list of dev_t\nvalues representing devices used by the camera.\n\nPipelines supported by media-controller will automatically register an\nentry for any video node present in the media graphs registered with the\nPipeline Handler.\n\nKieran Bingham (3):\n libcamera: controls: Support dev_t in an Integer32 type.\n libcamera: properties: Provide a Devices camera property\n libcamera: pipeline: Register device numbers with camera\n\n include/libcamera/controls.h | 5 +++++\n src/libcamera/pipeline_handler.cpp | 8 ++++++++\n src/libcamera/property_ids.yaml | 8 ++++++++\n 3 files changed, 21 insertions(+)" }