{"id":16608,"url":"https://patchwork.libcamera.org/api/patches/16608/?format=json","web_url":"https://patchwork.libcamera.org/patch/16608/","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":"<20220713084317.24268-11-dse@thaumatec.com>","date":"2022-07-13T08:43:16","name":"[libcamera-devel,v2,10/11] ipa: rkisp1: af: Skip few frames after changing lens position","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"16ce083aeb25bbf304b89b93d82478d35d6a403d","submitter":{"id":126,"url":"https://patchwork.libcamera.org/api/people/126/?format=json","name":"Daniel Semkowicz","email":"dse@thaumatec.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/16608/mbox/","series":[{"id":3276,"url":"https://patchwork.libcamera.org/api/series/3276/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3276","date":"2022-07-13T08:43:06","name":"ipa: rkisp1: Add autofocus algorithm","version":2,"mbox":"https://patchwork.libcamera.org/series/3276/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/16608/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/16608/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 5EF5FBE173\n\tfor ;\n\tWed, 13 Jul 2022 08:43:52 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2C85C63313;\n\tWed, 13 Jul 2022 10:43:52 +0200 (CEST)","from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com\n\t[IPv6:2a00:1450:4864:20::42c])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 035C36332B\n\tfor ;\n\tWed, 13 Jul 2022 10:43:49 +0200 (CEST)","by mail-wr1-x42c.google.com with SMTP id v16so14439356wrd.13\n\tfor ;\n\tWed, 13 Jul 2022 01:43:49 -0700 (PDT)","from localhost.localdomain (ip092042140082.rev.nessus.at.\n\t[92.42.140.82]) by smtp.gmail.com with ESMTPSA id\n\tbg32-20020a05600c3ca000b003a04d19dab3sm5667468wmb.3.2022.07.13.01.43.47\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 13 Jul 2022 01:43:48 -0700 (PDT)"],"DKIM-Signature":["v=1; 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\n\tWed, 13 Jul 2022 01:43:48 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 13 Jul 2022 10:43:16 +0200","Message-Id":"<20220713084317.24268-11-dse@thaumatec.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20220713084317.24268-1-dse@thaumatec.com>","References":"<20220713084317.24268-1-dse@thaumatec.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v2 10/11] ipa: rkisp1: af: Skip few frames\n\tafter changing lens position","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":"Daniel Semkowicz via libcamera-devel\n\t","Reply-To":"Daniel Semkowicz ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"With 30fps stream, lens movement takes more time than one frame. Skip\nfew frames to allow lens to stabilize before calculating next contrast\nvalue.\n\nSigned-off-by: Daniel Semkowicz \n---\n src/ipa/rkisp1/algorithms/af.cpp | 5 ++++-\n src/ipa/rkisp1/algorithms/af.h | 2 ++\n 2 files changed, 6 insertions(+), 1 deletion(-)","diff":"diff --git a/src/ipa/rkisp1/algorithms/af.cpp b/src/ipa/rkisp1/algorithms/af.cpp\nindex cd4f0e08..a0d914e0 100644\n--- a/src/ipa/rkisp1/algorithms/af.cpp\n+++ b/src/ipa/rkisp1/algorithms/af.cpp\n@@ -86,7 +86,10 @@ void Af::process(IPAContext &context,\n \n \tuint32_t lensPosition = processAutofocus(sharpness);\n \n-\tcontext.frameContext.af.focus = lensPosition;\n+\tif (lensPosition != context.frameContext.af.focus) {\n+\t\tcontext.frameContext.af.focus = lensPosition;\n+\t\tsetFramesToSkip(kFLensWaitFrames);\n+\t}\n }\n \n void Af::setMetering(controls::AfMeteringEnum metering)\ndiff --git a/src/ipa/rkisp1/algorithms/af.h b/src/ipa/rkisp1/algorithms/af.h\nindex eeb806c0..36d0c9b0 100644\n--- a/src/ipa/rkisp1/algorithms/af.h\n+++ b/src/ipa/rkisp1/algorithms/af.h\n@@ -36,6 +36,8 @@ private:\n \tRectangle defaultWindow_;\n \tRectangle userWindow_;\n \tbool updateAfwindow_ = false;\n+\n+\tstatic constexpr uint32_t kFLensWaitFrames = 2;\n };\n \n } /* namespace libcamera::ipa::rkisp1::algorithms */\n","prefixes":["libcamera-devel","v2","10/11"]}