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{ "id": 274, "url": "https://patchwork.libcamera.org/api/covers/274/?format=api", "web_url": "https://patchwork.libcamera.org/cover/274/", "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": "<20190118232617.14631-1-laurent.pinchart@ideasonboard.com>", "date": "2019-01-18T23:26:13", "name": "[libcamera-devel,v2,0/4] Object lifetime management", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/274/mbox/", "series": [ { "id": 94, "url": "https://patchwork.libcamera.org/api/series/94/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=94", "date": "2019-01-18T23:26:13", "name": "Object lifetime management", "version": 2, "mbox": "https://patchwork.libcamera.org/series/94/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/274/comments/", "headers": { "Return-Path": "<laurent.pinchart@ideasonboard.com>", "Received": [ "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 3B27460C78\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 19 Jan 2019 00:26:21 +0100 (CET)", "from pendragon.bb.dnainternet.fi\n\t(dfj612yhrgyx302h3jwwy-3.rev.dnainternet.fi\n\t[IPv6:2001:14ba:21f5:5b00:ce28:277f:58d7:3ca4])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id B710E53E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 19 Jan 2019 00:26:20 +0100 (CET)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1547853980;\n\tbh=CHcPGmVIaagYQVX3UHq3KLb8N8jDd80Z7UupMzMphNg=;\n\th=From:To:Subject:Date:From;\n\tb=CXLVuNthaWU69CtIW6x0jo+hPyvaeAle/k+KvUgRUTmXIvpM5u5YbuYFnmFZN0gm1\n\tC20pcfwEyHroT2l8qbgO2cx2xH90CxnQei5WnSJUABK9/Q9reKTilalNr87E2q/6n/\n\tupln/yplk/7hqJ9o7OqmKhiue/JNvsl/kUzubq/8=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sat, 19 Jan 2019 01:26:13 +0200", "Message-Id": "<20190118232617.14631-1-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.19.2", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 0/4] Object lifetime management", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.23", "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>", "X-List-Received-Date": "Fri, 18 Jan 2019 23:26:21 -0000" }, "content": "Hello,\n\nThis patch series sets the foundations for object lifetime management in\nlibcamera. This is a complex topic that I expect will involve over time,\nso this is in no way considered as complete and set-in-stone code.\n\nPatch 1/4 documents the object lifetime management concept and\nassociated coding rules. Patches 2/4 then applies those rules to the\nevent dispatcher registration in CameraManager through\nstd::unique_ptr<>.\n\nThe last two patches apply the lifetime management rules to the Camera\nobjects, with patch 3/4 reworking how camera are registered to simplify\nthe code, and patch 4/4 implementing lifetime management through\nstd::shared_ptr<>.\n\nCompared to v1 I've incorporated review feedback, resulting in a nearly\ncomplete rewrite of the documentation. Please see individual patches for\ndetails.\n\nLaurent Pinchart (4):\n Documentation: coding_style: Add object ownership rules\n libcamera: camera_manager: Use std::unique_ptr to store event\n dispatcher\n libcamera: camera_manager: Register cameras with the camera manager\n libcamera: camera: Handle camera objects through shared pointers\n\n Documentation/coding-style.rst | 84 ++++++++++++++++++++++++\n include/libcamera/camera.h | 15 +++--\n include/libcamera/camera_manager.h | 11 ++--\n src/libcamera/camera.cpp | 46 +++++++------\n src/libcamera/camera_manager.cpp | 80 +++++++++++-----------\n src/libcamera/include/pipeline_handler.h | 6 +-\n src/libcamera/pipeline/vimc.cpp | 30 ++-------\n src/libcamera/pipeline_handler.cpp | 21 ++----\n test/list-cameras.cpp | 5 +-\n 9 files changed, 185 insertions(+), 113 deletions(-)" }