{"id":15495,"url":"https://patchwork.libcamera.org/api/1.1/patches/15495/?format=json","web_url":"https://patchwork.libcamera.org/patch/15495/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20220322024155.6528-4-hpa@redhat.com>","date":"2022-03-22T02:41:54","name":"[libcamera-devel,3/4] ipa: ipu3: awb: AWB lock for AF scan","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"4f3a424cb28bf9cd66fe472e54c12e9078a651cd","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/1.1/people/105/?format=json","name":"Kate Hsuan","email":"hpa@redhat.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/15495/mbox/","series":[{"id":2981,"url":"https://patchwork.libcamera.org/api/1.1/series/2981/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2981","date":"2022-03-22T02:41:51","name":"ipa: ipu3: af: Temporarily suspend AWB and AE during AF scanning","version":1,"mbox":"https://patchwork.libcamera.org/series/2981/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/15495/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/15495/checks/","tags":{},"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 D4F0EC0F1B\n\tfor ;\n\tTue, 22 Mar 2022 02:42:24 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8AF4E61FBD;\n\tTue, 22 Mar 2022 03:42:24 +0100 (CET)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.133.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5F2F2604DB\n\tfor ;\n\tTue, 22 Mar 2022 03:42:23 +0100 (CET)","from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com\n\t[66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\tus-mta-542-Dp7vfjLZMpOxMUG8qwo3UA-1; 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charset=\"US-ASCII\"","Subject":"[libcamera-devel] [PATCH 3/4] ipa: ipu3: awb: AWB lock for AF scan","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","From":"Kate Hsuan via libcamera-devel ","Reply-To":"Kate Hsuan ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"When the AF starts to perform the scan, AWB will be suspended to stabilize\nthe AF scene variance and improve the AF performance.\n\nSigned-off-by: Kate Hsuan \n---\n src/ipa/ipu3/algorithms/awb.cpp | 13 +++++++++++++\n src/ipa/ipu3/algorithms/awb.h | 1 +\n 2 files changed, 14 insertions(+)","diff":"diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp\nindex 87a6cc7a..328bd38d 100644\n--- a/src/ipa/ipu3/algorithms/awb.cpp\n+++ b/src/ipa/ipu3/algorithms/awb.cpp\n@@ -384,11 +384,24 @@ void Awb::calculateWBGains(const ipu3_uapi_stats_3a *stats)\n \t}\n }\n \n+/**\n+ * \\brief Test the AF requested lock is exist.\n+ */\n+bool Awb::isAfRequestedLock(IPAContext context)\n+{\n+\tif (context.configuration.af.requireAeAwbLock)\n+\t\treturn true;\n+\telse\n+\t\treturn false;\n+}\n+\n /**\n * \\copydoc libcamera::ipa::Algorithm::process\n */\n void Awb::process(IPAContext &context, const ipu3_uapi_stats_3a *stats)\n {\n+\tif (isAfRequestedLock(context))\n+\t\treturn;\n \tcalculateWBGains(stats);\n \n \t/*\ndiff --git a/src/ipa/ipu3/algorithms/awb.h b/src/ipa/ipu3/algorithms/awb.h\nindex ab4b0a33..9673592f 100644\n--- a/src/ipa/ipu3/algorithms/awb.h\n+++ b/src/ipa/ipu3/algorithms/awb.h\n@@ -72,6 +72,7 @@ private:\n \tvoid awbGreyWorld();\n \tuint32_t estimateCCT(double red, double green, double blue);\n \tstatic constexpr uint16_t threshold(float value);\n+\tbool isAfRequestedLock(IPAContext context);\n \n \tstd::vector zones_;\n \tAccumulator awbStats_[kAwbStatsSizeX * kAwbStatsSizeY];\n","prefixes":["libcamera-devel","3/4"]}