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{ "id": 9344, "url": "https://patchwork.libcamera.org/api/covers/9344/?format=api", "web_url": "https://patchwork.libcamera.org/cover/9344/", "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": "<20200821144601.67860-1-email@uajain.com>", "date": "2020-08-21T14:46:06", "name": "[libcamera-devel,v4,0/5] 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/9344/mbox/", "series": [ { "id": 1227, "url": "https://patchwork.libcamera.org/api/series/1227/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1227", "date": "2020-08-21T14:46:06", "name": "android: Camera hotplug support", "version": 4, "mbox": "https://patchwork.libcamera.org/series/1227/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/9344/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 83E2FBD87C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 21 Aug 2020 14:46:13 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 99F71626E3;\n\tFri, 21 Aug 2020 16:46:12 +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 E331A61ED9\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 21 Aug 2020 16:46:08 +0200 (CEST)", "by filterdrecv-p3las1-7c6d97d9cb-cbgjr with SMTP id\n\tfilterdrecv-p3las1-7c6d97d9cb-cbgjr-18-5F3FDE2E-4C\n\t2020-08-21 14:46:06.501174639 +0000 UTC m=+74570.951664913", "from mail.uajain.com (unknown)\n\tby ismtpd0005p1hnd1.sendgrid.net (SG) with ESMTP id\n\tH4ltTXgFQ3-prAA0jN3S5w for <libcamera-devel@lists.libcamera.org>;\n\tFri, 21 Aug 2020 14:46:06.083 +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=\"eZ8y3hBV\"; 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=jtCQoAI9wHGaidZkpss5zPczuMngj2kArBdoqj6xgeg=;\n\tb=eZ8y3hBVo+/X92Xz/lUT7LWjR3byMTgN+g+7//6wwd459l6BK1HWaw/9KN0gAVGfKv04\n\tCbEbXSB3kyQM2oYwG8X/oOJvvrvgfX0Nt1RUnehrCco6S0UwGAy6uwDGIWlbWkbGb1KxTF\n\t61vpscvhb15q7xpx5CGkhmofTVKqnZJlA=", "From": "Umang Jain <email@uajain.com>", "Date": "Fri, 21 Aug 2020 14:46:06 +0000 (UTC)", "Message-Id": "<20200821144601.67860-1-email@uajain.com>", "Mime-Version": "1.0", "X-SG-EID": "1Q40EQ7YGir8a9gjSIAdTjhngY657NMk9ckeo4dbHZDiOpywc/L3L9rFqlwE4KPcBLpXFhl3+P87RHKL8hWvbDVyMatKsgYvi9PahGRp7p1y5+jvf1v7hWc7IX3zU5ZCpT45skPnGbl3qjRxZwYKOOi4bu9ss44NZJUY2xjggPueRGvo2IUumfLRO0/Od9A4BrUhcgedMBK+rxmkhG6waJ4dp9v+97z0mmbKXKYyvFxeY201JVzPYPYa4pS9Nr4UvBgiX0grsIzr1jCmDLBMEQ==", "To": "libcamera-devel@lists.libcamera.org", "Subject": "[libcamera-devel] [PATCH v4 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 v3:\n- No major functional changes as such. Only comestic and refactoring\n ones pointed out in the review.\n\nChanges 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 | 7 +\n src/android/camera_device.h | 6 +-\n src/android/camera_hal_manager.cpp | 176 ++++++++++++++++---\n src/android/camera_hal_manager.h | 25 ++-\n src/libcamera/pipeline/uvcvideo/uvcvideo.cpp | 7 +\n 6 files changed, 198 insertions(+), 25 deletions(-)" }