{"id":23587,"url":"https://patchwork.libcamera.org/api/1.1/patches/23587/?format=json","web_url":"https://patchwork.libcamera.org/patch/23587/","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":"<20250617082956.5699-5-david.plowman@raspberrypi.com>","date":"2025-06-17T08:29:52","name":"[4/7] ipa: rpi: Advance the delay context counter even when IPAs don't run","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"de69b4ba9637e2ec0a04879e9db10f3f91f3d166","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/23587/mbox/","series":[{"id":5225,"url":"https://patchwork.libcamera.org/api/1.1/series/5225/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5225","date":"2025-06-17T08:29:48","name":"Raspberry Pi AEC/AGC update","version":1,"mbox":"https://patchwork.libcamera.org/series/5225/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/23587/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/23587/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 E17DEBDE6B\n\tfor ;\n\tTue, 17 Jun 2025 08:30:16 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 7C14F68DDC;\n\tTue, 17 Jun 2025 10:30:12 +0200 (CEST)","from mail-wr1-x433.google.com (mail-wr1-x433.google.com\n\t[IPv6:2a00:1450:4864:20::433])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8166968DC1\n\tfor ;\n\tTue, 17 Jun 2025 10:30:04 +0200 (CEST)","by mail-wr1-x433.google.com with SMTP id\n\tffacd0b85a97d-3a365a6804eso3920855f8f.3\n\tfor ;\n\tTue, 17 Jun 2025 01:30:04 -0700 (PDT)","from raspberrypi.pitowers.org\n\t([2a00:1098:3142:1f:ffc9:aff6:7f7f:893b])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-4532e259108sm166062955e9.32.2025.06.17.01.30.03\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 17 Jun 2025 01:30:03 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 17 Jun 2025 01:30:03 -0700 (PDT)","From":"David Plowman ","To":"libcamera-devel@lists.libcamera.org","Cc":"David Plowman ","Subject":"[PATCH 4/7] ipa: rpi: Advance the delay context counter even when\n\tIPAs don't run","Date":"Tue, 17 Jun 2025 09:29:52 +0100","Message-Id":"<20250617082956.5699-5-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.39.5","In-Reply-To":"<20250617082956.5699-1-david.plowman@raspberrypi.com>","References":"<20250617082956.5699-1-david.plowman@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","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":"The delay context counter must be advanced even when we decide not to\nrun prepare/process. Otherwise, when we skip them at higher\nframerates, the current IPA context counter will catch up and\noverwrite the delay context.\n\nIt's safe to advance the counter because the metadata is always copied\nforward a slot when we decide not to run the IPAs.\n\nSigned-off-by: David Plowman \n---\n src/ipa/rpi/common/ipa_base.cpp | 20 ++++++++++----------\n 1 file changed, 10 insertions(+), 10 deletions(-)","diff":"diff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp\nindex 05699228..7af4ea5e 100644\n--- a/src/ipa/rpi/common/ipa_base.cpp\n+++ b/src/ipa/rpi/common/ipa_base.cpp\n@@ -491,10 +491,11 @@ void IpaBase::prepareIsp(const PrepareParams ¶ms)\n void IpaBase::processStats(const ProcessParams ¶ms)\n {\n \tunsigned int ipaContext = params.ipaContext % rpiMetadata_.size();\n+\tRPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];\n \n-\tif (processPending_ && frameCount_ >= mistrustCount_) {\n-\t\tRPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];\n+\tDuration offset(0s);\n \n+\tif (processPending_ && frameCount_ >= mistrustCount_) {\n \t\tauto it = buffers_.find(params.buffers.stats);\n \t\tif (it == buffers_.end()) {\n \t\t\tLOG(IPARPI, Error) << \"Could not find stats buffer!\";\n@@ -510,7 +511,6 @@ void IpaBase::processStats(const ProcessParams ¶ms)\n \t\tcontroller_.process(statistics, &rpiMetadata);\n \n \t\t/* Send any sync algorithm outputs back to the pipeline handler */\n-\t\tDuration offset(0s);\n \t\tstruct SyncStatus syncStatus;\n \t\tif (rpiMetadata.get(\"sync.status\", syncStatus) == 0) {\n \t\t\tif (minFrameDuration_ != maxFrameDuration_)\n@@ -522,14 +522,14 @@ void IpaBase::processStats(const ProcessParams ¶ms)\n \t\t\tif (syncStatus.timerKnown)\n \t\t\t\tlibcameraMetadata_.set(controls::rpi::SyncTimer, syncStatus.timerValue);\n \t\t}\n+\t}\n \n-\t\tstruct AgcStatus agcStatus;\n-\t\tif (rpiMetadata.get(\"agc.status\", agcStatus) == 0) {\n-\t\t\tControlList ctrls(sensorCtrls_);\n-\t\t\tapplyAGC(&agcStatus, ctrls, offset);\n-\t\t\tsetDelayedControls.emit(ctrls, ipaContext);\n-\t\t\tsetCameraTimeoutValue();\n-\t\t}\n+\tstruct AgcStatus agcStatus;\n+\tif (rpiMetadata.get(\"agc.status\", agcStatus) == 0) {\n+\t\tControlList ctrls(sensorCtrls_);\n+\t\tapplyAGC(&agcStatus, ctrls, offset);\n+\t\tsetDelayedControls.emit(ctrls, ipaContext);\n+\t\tsetCameraTimeoutValue();\n \t}\n \n \t/*\n","prefixes":["4/7"]}