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{ "id": 13612, "url": "https://patchwork.libcamera.org/api/1.1/covers/13612/?format=api", "web_url": "https://patchwork.libcamera.org/cover/13612/", "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": "<20210902213128.1064018-1-umang.jain@ideasonboard.com>", "date": "2021-09-02T21:31:23", "name": "[libcamera-devel,RFC,v2,0/5] Async PostProcessor", "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/13612/mbox/", "series": [ { "id": 2443, "url": "https://patchwork.libcamera.org/api/1.1/series/2443/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2443", "date": "2021-09-02T21:31:23", "name": "Async PostProcessor", "version": 2, "mbox": "https://patchwork.libcamera.org/series/2443/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/13612/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 E3BF6BD87D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 2 Sep 2021 21:31:37 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2E3CD6916A;\n\tThu, 2 Sep 2021 23:31:37 +0200 (CEST)", "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 32ABC60255\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 2 Sep 2021 23:31:36 +0200 (CEST)", "from perceval.ideasonboard.com (unknown [103.251.226.107])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 1B81645E;\n\tThu, 2 Sep 2021 23:31:34 +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=\"tIzpD5N6\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1630618295;\n\tbh=mV5mILWbrnYzzddedck1uuHNedoe6WCPEvnXt49BmfQ=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=tIzpD5N6GfLeW4zJzCiO+jnOr4QogOGff99hXOf7BJNCEdB2dkTBgvvJvbKkyNj9D\n\tsVPYHi7kvP7I1yrfGzKDtgwp4PpbxiXbT+t/4C9V+t0rCPISe8/xpPHUOqtll/zfrQ\n\tUoPmjsueutot6E6hYcy9AE7KbdzsCCcznxFGjugA=", "From": "Umang Jain <umang.jain@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 3 Sep 2021 03:01:23 +0530", "Message-Id": "<20210902213128.1064018-1-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 v2 0/5] Async PostProcessor", "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\nPatch 1-3 introduces basic plumbing efforts\nPatch 4 introduces groundwork for making the post-processor async\nPatch 5 makes the post-processor async.\n\nTesting:\npost-processor-jpeg runs in a separate thread and saves an image\non shutter-click. Streaming of image data continues as usual.\nMultiple shutter-click with reasonable gap saves images as well.\n\nOpen questions / further work:\nMarked as \\todo, so I shall continue chasing them.\n\nUmang Jain (5):\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: camera_device: Add a queue for sending capture results\n android: camera_stream: Run post-processor in a separate thread\n\n src/android/camera_device.cpp | 131 +++++++++++++++++++++--\n src/android/camera_device.h | 27 +++++\n src/android/camera_stream.cpp | 40 +++++--\n src/android/camera_stream.h | 42 +++++++-\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 | 11 +-\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 | 10 +-\n src/android/yuv/post_processor_yuv.cpp | 22 ++--\n src/android/yuv/post_processor_yuv.h | 4 +-\n 14 files changed, 260 insertions(+), 45 deletions(-)" }