{"id":13612,"url":"https://patchwork.libcamera.org/api/covers/13612/?format=json","web_url":"https://patchwork.libcamera.org/cover/13612/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","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/people/86/?format=json","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/series/2443/?format=json","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":"","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 ;\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 ;\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 ","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":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"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(-)"}