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{ "id": 13978, "url": "https://patchwork.libcamera.org/api/1.1/covers/13978/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13978/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20210929133030.401961-1-umang.jain@ideasonboard.com>", "date": "2021-09-29T13:30:26", "name": "[libcamera-devel,v4,0/4] Camera3RequestDescriptors std::map => std::queue", "submitter": { "id": 86, "url": "https://patchwork.libcamera.org/api/1.1/people/86/?format=api", "name": "Umang Jain", "email": "umang.jain@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/cover/13978/mbox/", "series": [ { "id": 2586, "url": "https://patchwork.libcamera.org/api/1.1/series/2586/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2586", "date": "2021-09-29T13:30:26", "name": "Camera3RequestDescriptors std::map => std::queue", "version": 4, "mbox": "https://patchwork.libcamera.org/series/2586/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13978/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 BDC5AC3243\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 29 Sep 2021 13:30:40 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 1F4B2691AA;\n\tWed, 29 Sep 2021 15:30:40 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id B336269185\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 29 Sep 2021 15:30:38 +0200 (CEST)", "from perceval.ideasonboard.com (unknown [103.251.226.9])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id A3D2F3F0;\n\tWed, 29 Sep 2021 15:30:37 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"qghG+fE3\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1632922238;\n\tbh=e1K/z4HQYKEucq4lczmeeuBcQMMe7DM2Y9tAB7QhvVw=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=qghG+fE3mWjlGryHrmCcWWIYk2glxnym4DBYNZjUzWVBEEZTF63V5CKitvlyXeDG0\n\tHeNjCajQnPCcolT1lOeHzn9KDGX8hpw+yoVOk9j6HtlcwL0GfhA30OsHPsxfn0EQL7\n\tMBE/iABwvHSzGftIgIx7S/zDPFmHjDroLeTOgjqc=", "From": "Umang Jain <umang.jain@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 29 Sep 2021 19:00:26 +0530", "Message-Id": "<20210929133030.401961-1-umang.jain@ideasonboard.com>", "X-Mailer": "git-send-email 2.31.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v4 0/4] Camera3RequestDescriptors std::map\n\t=> std::queue", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "As per the extended design discussion for libcamera HAL, this series\naddresses the part I of the design that will lead to new iterations\nfor async post-processor eventually.\n\nThe series mainly ports storage of Camera3RequestDescriptor from\nstd::map => queue while fixing out-of-order request completion from\nabortRequest(). The series also accounts for a singular location to\nsend back capture results to the framework (find sendCaptureResults()).\n\nThe series has been validated on CTS: 230 / 231\n(carrying [PATCH v3 0/1] android: Wait on acquisition fences in\nCameraStream)\n\nChanges in v4:\n- New patch 3/4, makes abortRequest() and notifyError() as const\n- Pop descriptor even on Fatal logging\n- Fix a missing mutex lock\n- spacing around sendCaptureResults() \n- add a \\todo on measuring perf impact on grain-vs-coarse locking\n\nChanges in v3:\n- Change abortRequest to accept a descriptor only, in 3/3\n- Fix wrong logic around abortRequest() descriptor selection\n - Last request descriptor was selected instead of current one\n- Use of `auto` whereever applicable\n- simplify descriptors_ clearance on stop()\n\nChanges in v2:\n- Use queue instead of deque\n- Fix a race between abortRequest() and queuing a descriptor in 2/3\n- address general comments in v1 review.\n\n\nUmang Jain (4):\n android: camera_worker: Use Camera3RequestDescriptor as cookie\n android: camera_device: Transform descriptors_ map to queue\n android: camera_device: Mark abortRequest() and notifyError() as const\n android: camera_device: Send capture results by inspecting the queue\n\n src/android/camera_device.cpp | 149 +++++++++++++++++++++-------------\n src/android/camera_device.h | 19 ++++-\n src/android/camera_worker.cpp | 4 +-\n src/android/camera_worker.h | 3 +-\n 4 files changed, 111 insertions(+), 64 deletions(-)" }