{"id":18899,"url":"https://patchwork.libcamera.org/api/1.1/patches/18899/?format=json","web_url":"https://patchwork.libcamera.org/patch/18899/","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":"<20230728133700.3713-2-david.plowman@raspberrypi.com>","date":"2023-07-28T13:36:58","name":"[libcamera-devel,1/3] ipa: rpi: agc: Fetch AWB status in process method, not prepare","commit_ref":"2ea57d0b7702efb6e290f7ec2ef35b5646f91a6c","pull_url":null,"state":"accepted","archived":false,"hash":"a4acad78bca2adf54691e572a984f87edda0fccb","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/1.1/people/42/?format=json","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18899/mbox/","series":[{"id":3993,"url":"https://patchwork.libcamera.org/api/1.1/series/3993/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3993","date":"2023-07-28T13:36:57","name":"Raspberry Pi AGC tidying","version":1,"mbox":"https://patchwork.libcamera.org/series/3993/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18899/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18899/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 12B78C324E\n\tfor ;\n\tFri, 28 Jul 2023 13:37:07 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6FD13627F2;\n\tFri, 28 Jul 2023 15:37:05 +0200 (CEST)","from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com\n\t[IPv6:2a00:1450:4864:20::42a])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6E3BC627E7\n\tfor ;\n\tFri, 28 Jul 2023 15:37:03 +0200 (CEST)","by mail-wr1-x42a.google.com with SMTP id\n\tffacd0b85a97d-31758eb5db8so2142231f8f.2\n\tfor ;\n\tFri, 28 Jul 2023 06:37:03 -0700 (PDT)","from pi4-davidp.pitowers.org\n\t([2a00:1098:3142:14:2bce:64d6:1a5c:49a2])\n\tby smtp.gmail.com with ESMTPSA id\n\ti15-20020adffdcf000000b003145559a691sm4847758wrs.41.2023.07.28.06.37.02\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tFri, 28 Jul 2023 06:37:02 -0700 (PDT)"],"DKIM-Signature":["v=1; 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\n\tFri, 28 Jul 2023 06:37:02 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 28 Jul 2023 14:36:58 +0100","Message-Id":"<20230728133700.3713-2-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.30.2","In-Reply-To":"<20230728133700.3713-1-david.plowman@raspberrypi.com>","References":"<20230728133700.3713-1-david.plowman@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 1/3] ipa: rpi: agc: Fetch AWB status in\n\tprocess method, not prepare","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":"David Plowman via libcamera-devel ","Reply-To":"David Plowman ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"prepare() doesn't use the AWB status, so fetching it in process() is\nprobably better. This change is preparatory to other changes, where we\nmay find ourselves calling process() without having called prepare()\npreviously.\n\nSigned-off-by: David Plowman \n---\n src/ipa/rpi/controller/rpi/agc.cpp | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)","diff":"diff --git a/src/ipa/rpi/controller/rpi/agc.cpp b/src/ipa/rpi/controller/rpi/agc.cpp\nindex ae9ff219..e8526355 100644\n--- a/src/ipa/rpi/controller/rpi/agc.cpp\n+++ b/src/ipa/rpi/controller/rpi/agc.cpp\n@@ -424,7 +424,6 @@ void Agc::prepare(Metadata *imageMetadata)\n \t\ttotalExposureValue = delayedStatus.totalExposureValue;\n \n \tstatus_.digitalGain = 1.0;\n-\tfetchAwbStatus(imageMetadata); /* always fetch it so that Process knows it's been done */\n \n \tif (status_.totalExposureValue) {\n \t\t/* Process has run, so we have meaningful values. */\n@@ -461,6 +460,8 @@ void Agc::process(StatisticsPtr &stats, Metadata *imageMetadata)\n \t * configuration, that kind of thing.\n \t */\n \thousekeepConfig();\n+\t/* Fetch the AWB status immediately, so that we can assume it's there. */\n+\tfetchAwbStatus(imageMetadata);\n \t/* Get the current exposure values for the frame that's just arrived. */\n \tfetchCurrentExposure(imageMetadata);\n \t/* Compute the total gain we require relative to the current exposure. */\n","prefixes":["libcamera-devel","1/3"]}