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{ "id": 9331, "url": "https://patchwork.libcamera.org/api/covers/9331/?format=api", "web_url": "https://patchwork.libcamera.org/cover/9331/", "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": "<20200817202629.4277-1-email@uajain.com>", "date": "2020-08-17T20:26:35", "name": "[libcamera-devel,v3,0/5] android: Camera hotplug support", "submitter": { "id": 1, "url": "https://patchwork.libcamera.org/api/people/1/?format=api", "name": "Umang Jain", "email": "email@uajain.com" }, "mbox": "https://patchwork.libcamera.org/cover/9331/mbox/", "series": [ { "id": 1224, "url": "https://patchwork.libcamera.org/api/series/1224/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1224", "date": "2020-08-17T20:26:35", "name": "android: Camera hotplug support", "version": 3, "mbox": "https://patchwork.libcamera.org/series/1224/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/9331/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 C6364BD87C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 17 Aug 2020 20:26:42 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E5BB361A1E;\n\tMon, 17 Aug 2020 22:26:41 +0200 (CEST)", "from o1.f.az.sendgrid.net (o1.f.az.sendgrid.net [208.117.55.132])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id EE05060384\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 17 Aug 2020 22:26:38 +0200 (CEST)", "by filterdrecv-p3las1-5785d94c6b-nk2xm with SMTP id\n\tfilterdrecv-p3las1-5785d94c6b-nk2xm-19-5F3AE7FB-65\n\t2020-08-17 20:26:35.912199406 +0000 UTC m=+359821.842136409", "from mail.uajain.com (unknown)\n\tby ismtpd0006p1hnd1.sendgrid.net (SG) with ESMTP id\n\tjsWVIlvxQ-aj8saOl1QuHQ for <libcamera-devel@lists.libcamera.org>;\n\tMon, 17 Aug 2020 20:26:35.477 +0000 (UTC)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=uajain.com header.i=@uajain.com\n\theader.b=\"v16g3FSG\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=uajain.com;\n\th=from:subject:mime-version:to:cc:content-type:\n\tcontent-transfer-encoding;\n\ts=s1; bh=1HCj0ZCjclBG3r1FTXM7UQGhUTD9RuBq9gGDgl7KOdw=;\n\tb=v16g3FSGv4M0ZT2dZ+nAXAYFfwVTFiKZc3wZTwxR3UmMCx3gDnGue9Iv320Tg/LmJ8aI\n\t+lO93n9a+Q+gwCegv1oJSagg4d3tUqC3P3fqJlsq0uUqmVyn76vvX2vZuF2z8xBM3/y++P\n\tL2kuIGw6Q1qHA0ZPcFFZHKcbeuVRzYlBE=", "From": "Umang Jain <email@uajain.com>", "Date": "Mon, 17 Aug 2020 20:26:35 +0000 (UTC)", "Message-Id": "<20200817202629.4277-1-email@uajain.com>", "Mime-Version": "1.0", "X-SG-EID": "1Q40EQ7YGir8a9gjSIAdTjhngY657NMk9ckeo4dbHZDiOpywc/L3L9rFqlwE4KPc7nggfkZXnk4gpr6Hf1oWqYUqC6T029TnkHtc7WLt8D/2Xae9on6tEMM/V5udhZsqNZvHI6WNl+DJ26fQCpXzSq91287B7+xQXxOr6QJ7qwfCVlvOJmauEoZtsKWb1gP+Q3SBCXF4aqS72xOCZrUpIJoiFity03EaOu2tlGjIsqYPngSKuvy4eIRjMGHKTzfn+3VG/OXCNnMSyfxWIxV4KA==", "To": "libcamera-devel@lists.libcamera.org", "Subject": "[libcamera-devel] [PATCH v3 0/5] android: Camera hotplug support", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Changes from v2:\n- Separate CameraDevice as shared pointer and a getter func\n as two new commits from \"camera_hal_manager: Support camera hotplug\"\n- Rename few variables and refactor to have more code-sharing.\n- Drop \"camera_hal_manager: Handle hot-unplug of currently open camera\"\n - Still finding out a nice way to deal with this. Current stock\n implementation on CrOS is to ::exit(1) cros_camera_service \n if an open camera is unplugged. AOSP doesn't seem to handle\n this use case, maybe because it doesn't have notion of \n hot-[un]pluggable cameras? Add a \\todo on unplug handler path.\n \nChanges from v1:\n- Treat all UVC cameras as external - based off Laurent's suggestion.\n -It's difficult to know whether a UVC camera is external or internal.\n Hence, treat all UVC camereas as external by setting their\n CameraLocation property as CameraLocationExternal.\n- Use different IDs for internal and external cameras.\n -Internal camera IDs are meant to be started with 0 and\n external/removable ones from 1000. Also, support that\n if the camera has been seen in the past, reuse it's ID.\n- Few changes dealing with race conditions, locking and graceful\n handling of currently streaming camera.\n\nUmang Jain (5):\n libcamera: pipeline: uvcvideo: Treat all UVC cameras as external\n android: camera_hal_manager: Set camera module callbacks\n android: camera_device: Make CameraDevice a shared object\n android: camera_device: Add a getter to get libcamera::Camera pointer\n android: camera_hal_manager: Support camera hotplug\n\n src/android/camera3_hal.cpp | 2 +\n src/android/camera_device.cpp | 15 ++\n src/android/camera_device.h | 8 +-\n src/android/camera_hal_manager.cpp | 179 ++++++++++++++++---\n src/android/camera_hal_manager.h | 23 ++-\n src/libcamera/pipeline/uvcvideo/uvcvideo.cpp | 7 +\n 6 files changed, 209 insertions(+), 25 deletions(-)" }