{"id":11345,"url":"https://patchwork.libcamera.org/api/covers/11345/?format=json","web_url":"https://patchwork.libcamera.org/cover/11345/","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":"<20210219172224.69862-1-jeanmichel.hautbois@ideasonboard.com>","date":"2021-02-19T17:22:22","name":"[libcamera-devel,RFC,0/2] Implement IPA algorithms and demo with IPU3","submitter":{"id":75,"url":"https://patchwork.libcamera.org/api/people/75/?format=json","name":"Jean-Michel Hautbois","email":"jeanmichel.hautbois@ideasonboard.com"},"mbox":"https://patchwork.libcamera.org/cover/11345/mbox/","series":[{"id":1711,"url":"https://patchwork.libcamera.org/api/series/1711/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1711","date":"2021-02-19T17:22:22","name":"Implement IPA algorithms and demo with IPU3","version":1,"mbox":"https://patchwork.libcamera.org/series/1711/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/11345/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 8954EBD1F6\n\tfor ;\n\tFri, 19 Feb 2021 17:22:27 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 050CE689D9;\n\tFri, 19 Feb 2021 18:22:27 +0100 (CET)","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 E5E75689CD\n\tfor ;\n\tFri, 19 Feb 2021 18:22:25 +0100 (CET)","from localhost.localdomain (unknown\n\t[IPv6:2a01:e0a:169:7140:e9be:2a73:b117:75b1])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 6C06C596;\n\tFri, 19 Feb 2021 18:22:25 +0100 (CET)"],"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=\"qC1dFL5t\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1613755345;\n\tbh=db439f1gkxQ4FPvrpOjW7aHwyTmKs6ydeVsCX0wTrmw=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=qC1dFL5tLI0UMU3bfIMNMev2eqOe9yzbpFrTq/uvUNuWTtC0KvEDkox+BRcNb0gtI\n\t/w5itmuyAF6wwjXaZMlc4PQPdbxSCEu+fDuWLp0L7gAR0CScjvXbjMhILaQuAKeE8R\n\tCDA3hiIA8mqPX3T6/G/WEPZ/uRLNk+4L+7Aqh5Zo=","From":"Jean-Michel Hautbois ","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 19 Feb 2021 18:22:22 +0100","Message-Id":"<20210219172224.69862-1-jeanmichel.hautbois@ideasonboard.com>","X-Mailer":"git-send-email 2.27.0","MIME-Version":"1.0","Subject":"[libcamera-devel] [RFC PATCH 0/2] Implement IPA algorithms and demo\n\twith IPU3","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","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"This RFC is really meant to start discussions.\nIt demonstrates on IPU3 a conjunction of automatic exposure (AGC)\nand automatic white balance (AWB).\n\nThe skeleton are extracted from RPi controller and probably subject to\nmodifications and discussions :\n- are the mandatory methods really those ?\n- how to exchange data between algorithms ?\n - metadata like RPi?\n - IPC ?\n - public methods?\n - controller API ?\n- is the controller needed at all ?\n\nThe implementation in IPU3 is tested on SGo2.\nIt is not perfect but shows a really better behaviour than default ;-).\n\nJean-Michel Hautbois (2):\n WIP: ipa: Add Controller and Algorithm skeleton\n WIP: ipa: ipu3: Add support for IPU3 AWB algorithm\n\n include/libcamera/ipa/agc_algorithm.h | 32 ++++\n include/libcamera/ipa/awb_algorithm.h | 27 ++++\n include/libcamera/ipa/ipa_algorithm.h | 46 ++++++\n include/libcamera/ipa/ipa_controller.h | 39 +++++\n include/libcamera/ipa/meson.build | 4 +\n src/ipa/ipu3/ipu3.cpp | 31 +++-\n src/ipa/ipu3/ipu3_agc.cpp | 195 +++++++++++++++++++++++++\n src/ipa/ipu3/ipu3_agc.h | 96 ++++++++++++\n src/ipa/ipu3/ipu3_awb.cpp | 182 +++++++++++++++++++++++\n src/ipa/ipu3/ipu3_awb.h | 130 +++++++++++++++++\n src/ipa/ipu3/meson.build | 8 +-\n src/ipa/libipa/ipa_algorithm.cpp | 20 +++\n src/ipa/libipa/ipa_controller.cpp | 45 ++++++\n src/ipa/libipa/meson.build | 2 +\n src/libcamera/pipeline/ipu3/ipu3.cpp | 1 +\n 15 files changed, 853 insertions(+), 5 deletions(-)\n create mode 100644 include/libcamera/ipa/agc_algorithm.h\n create mode 100644 include/libcamera/ipa/awb_algorithm.h\n create mode 100644 include/libcamera/ipa/ipa_algorithm.h\n create mode 100644 include/libcamera/ipa/ipa_controller.h\n create mode 100644 src/ipa/ipu3/ipu3_agc.cpp\n create mode 100644 src/ipa/ipu3/ipu3_agc.h\n create mode 100644 src/ipa/ipu3/ipu3_awb.cpp\n create mode 100644 src/ipa/ipu3/ipu3_awb.h\n create mode 100644 src/ipa/libipa/ipa_algorithm.cpp\n create mode 100644 src/ipa/libipa/ipa_controller.cpp"}