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{ "id": 13515, "url": "https://patchwork.libcamera.org/api/1.1/covers/13515/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13515/", "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": "<20210826213016.1829504-1-umang.jain@ideasonboard.com>", "date": "2021-08-26T21:30:11", "name": "[libcamera-devel,RFC,0/5] android: Async post-processing", "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/13515/mbox/", "series": [ { "id": 2401, "url": "https://patchwork.libcamera.org/api/1.1/series/2401/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2401", "date": "2021-08-26T21:30:11", "name": "android: Async post-processing", "version": 1, "mbox": "https://patchwork.libcamera.org/series/2401/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13515/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 1FCDBBD87D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 26 Aug 2021 21:30:29 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2377C68932;\n\tThu, 26 Aug 2021 23:30:28 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 369E368920\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 26 Aug 2021 23:30:26 +0200 (CEST)", "from perceval.ideasonboard.com (unknown [103.251.226.246])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0223F191F;\n\tThu, 26 Aug 2021 23:30:24 +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=\"TvJNfzbj\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1630013425;\n\tbh=u0d5sXoete/pr733en7yokVRDcy/oylAETz1sqbXMNw=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=TvJNfzbjoCGji4QHrONo4PDNHyTbRIFfn6lZLhf3jMJj5E8R21wyCtm4tD9pWOXP3\n\taJ3q9sSWx0n+jbhSzFXd42wS/gXhe4Y+QVzfhsrxTPjJUd8ZX+VbPw8MbYzV7wX4tA\n\tqQNsRAcm7mjPmp54BbSx7fWPMZ/oSTl6VYpmGzx8=", "From": "Umang Jain <umang.jain@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 27 Aug 2021 03:00:11 +0530", "Message-Id": "<20210826213016.1829504-1-umang.jain@ideasonboard.com>", "X-Mailer": "git-send-email 2.31.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [RFC PATCH 0/5] android: Async post-processing", "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": "This series aims to enable async post-processing of streams\nin the HAL layer.\n\nPathch[1-4]/5 lays the groundwork. Patch 5/5 is the real deal.\n\nThis is an RFC since I still have a few more \\todos to address\nin 5/5. One in particular (which is also a source of crash)\nis marked with [BLOCKER] in 5/5.\n\nTesting:\npost-processor-jpeg runs in a separate thread and saves an image\non shutter-click. Streaming of image data continues as usual.\n\nHowever, on next shutter-click(i.e. trying to click yet-another-image)\nthe post-processor-worker thread fails to start, aborting the camera\nservice. This is [BLOCKER] I am currently resolving on my end.\n\nUmang Jain (5):\n android: post_processor: Inherit from libcamera::Object\n android: camera_stream: Pass FrameBuffer pointer instead of reference\n android: post_processor: Notify post processing completion status\n android: camera_stream: Notify process() status with a Signal\n android: Run post processing in a separate thread\n\n src/android/camera_device.cpp | 94 +++++++++++++++++++++---\n src/android/camera_device.h | 21 +++++-\n src/android/camera_stream.cpp | 54 ++++++++++++--\n src/android/camera_stream.h | 56 +++++++++++++-\n src/android/jpeg/encoder.h | 2 +-\n src/android/jpeg/encoder_libjpeg.cpp | 4 +-\n src/android/jpeg/encoder_libjpeg.h | 2 +-\n src/android/jpeg/post_processor_jpeg.cpp | 13 +++-\n src/android/jpeg/post_processor_jpeg.h | 4 +-\n src/android/jpeg/thumbnailer.cpp | 4 +-\n src/android/jpeg/thumbnailer.h | 2 +-\n src/android/post_processor.h | 13 +++-\n src/android/yuv/post_processor_yuv.cpp | 22 +++---\n src/android/yuv/post_processor_yuv.h | 4 +-\n 14 files changed, 248 insertions(+), 47 deletions(-)" }