{"id":19052,"url":"https://patchwork.libcamera.org/api/covers/19052/?format=json","web_url":"https://patchwork.libcamera.org/cover/19052/","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":"<20230918085222.500697-1-chenghaoyang@chromium.org>","date":"2023-09-18T08:49:20","name":"[libcamera-devel,v1,0/1] Fix ipu3 pipeline handler's first frame","submitter":{"id":117,"url":"https://patchwork.libcamera.org/api/people/117/?format=json","name":"Cheng-Hao Yang","email":"chenghaoyang@chromium.org"},"mbox":"https://patchwork.libcamera.org/cover/19052/mbox/","series":[{"id":4028,"url":"https://patchwork.libcamera.org/api/series/4028/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4028","date":"2023-09-18T08:49:20","name":"Fix ipu3 pipeline handler's first frame","version":1,"mbox":"https://patchwork.libcamera.org/series/4028/mbox/"}],"comments":"https://patchwork.libcamera.org/api/covers/19052/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 DCD33C326B\n\tfor ;\n\tMon, 18 Sep 2023 08:52:31 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 442C76293F;\n\tMon, 18 Sep 2023 10:52:31 +0200 (CEST)","from mail-pl1-x634.google.com (mail-pl1-x634.google.com\n\t[IPv6:2607:f8b0:4864:20::634])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C101B61DEC\n\tfor ;\n\tMon, 18 Sep 2023 10:52:29 +0200 (CEST)","by mail-pl1-x634.google.com with SMTP id\n\td9443c01a7336-1bf1935f6c2so29861705ad.1\n\tfor ;\n\tMon, 18 Sep 2023 01:52:29 -0700 (PDT)","from chenghaoyang-low.c.googlers.com.com\n\t(148.175.199.104.bc.googleusercontent.com. [104.199.175.148])\n\tby smtp.gmail.com with ESMTPSA id\n\tz4-20020a170902ee0400b001b88da737c6sm2387020plb.54.2023.09.18.01.52.26\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tMon, 18 Sep 2023 01:52:26 -0700 (PDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1695027151;\n\tbh=+nNuz1KlDOWHMAML58qpGOLjXuvILtnoA4y81YhWy7A=;\n\th=To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post:\n\tList-Help:List-Subscribe:From:Reply-To:Cc:From;\n\tb=Q/6hppMfQ31gTAs7wNEPmNROAy2aldKasSGQDjOzZVsM3Xvrnj/kFb7nqFHeWpicb\n\tgEqMSkveWvo2BTeulF9vKE3tdkZ2AwtQFr1N8z2BbdrOcieK9oDJBImMWaQKCvvvEk\n\tVOqqqcWFWbDT5pUO4vKifPE/OH7LYNSbbJAWBqj6adN8R6yOjrCd/lvpJGuLAxI8FP\n\t8xjkcPY5QPiXu1MmLjH659t8KcEEegSeQJ0tvIsw85hfgb4shcuJMyrvgusco6wxEc\n\tMvy0B2/7f7K3K82lWTtAMVLCq/sEXA29giIP5V1FMq7cxXnUlK1ppkeUM8n8kd/uQf\n\tg/HwyVke25fWQ==","v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=chromium.org; s=google; t=1695027147; x=1695631947;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:from:to:cc:subject:date:message-id:reply-to;\n\tbh=WfsLbqMxumId4wEni+FRpf8+MTIk6W6LSEzJaLvuFqc=;\n\tb=d8/vvMstJphU66leTWXjwGFJH2MmcpIMBn8khMQXkHBKnR1JVp1lSYE+BKlEq/QWcs\n\tSMfOgTBZ52bOdupTXAt4HyX4kvzQe7VVfwwmYir67K60T8PF1hCqw2fBKyRY1+ltppPA\n\twM/PCSwfXUP7Vnkt+xworyQvkHrZ+CS8n61co="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=chromium.org\n\theader.i=@chromium.org header.b=\"d8/vvMst\"; \n\tdkim-atps=neutral","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20230601; t=1695027147; x=1695631947;\n\th=content-transfer-encoding:mime-version:message-id:date:subject:cc\n\t:to:from:x-gm-message-state:from:to:cc:subject:date:message-id\n\t:reply-to;\n\tbh=WfsLbqMxumId4wEni+FRpf8+MTIk6W6LSEzJaLvuFqc=;\n\tb=cD42UKhtEDldR2u6l+r8qsTwHgonNV+ZK9NBoiLr7Kw2TgzG5aCCymfxxLhEH3KT/H\n\tlNuCeIWCwNpWRK3jeC1hNPiA7Q9y00udypydFi9yhITznHsZ5d9Vk5nSOHfuS3AJrXuL\n\t1d2ka9g+8qEp35OaR0953trgTg8Lu0p3XgD8xzRaBUbxB0iNXCafmprW1qNkw4bixLPO\n\tz4HlJ7xsQZKbHhJ4QrcfmE3cos3zug9bLwgHE18eqoM/5f/9HF/3L4fHZrcwwPunC9LZ\n\tFZlsRlEjeAP/pKczGssTI+1B7VtR2WFDHoN+7xedPAMI1sYs46Y/kQtsU6tJGQwiKGNJ\n\t0Ueg==","X-Gm-Message-State":"AOJu0YzAb+LAvmLeE3iYLgW0YNrOAkozg+yzWwPB4pbwclMQdqt38aTC\n\t4X+kxBrw5/YwbW76HIEyFwQQFFDCU2xtDmiOcpc=","X-Google-Smtp-Source":"AGHT+IGBHKxow7Ub0Plha70fJE3nEBqkP39ToX1XFLL1edMjqGjYAS4v4tGuvbmMNzdkOQHxvGvkEA==","X-Received":"by 2002:a17:903:1c6:b0:1c3:e2eb:f79d with SMTP id\n\te6-20020a17090301c600b001c3e2ebf79dmr16660640plh.8.1695027147549; \n\tMon, 18 Sep 2023 01:52:27 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Mon, 18 Sep 2023 08:49:20 +0000","Message-ID":"<20230918085222.500697-1-chenghaoyang@chromium.org>","X-Mailer":"git-send-email 2.42.0.459.ge4e396fd5e-goog","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v1 0/1] Fix ipu3 pipeline handler's first\n\tframe","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":"Harvey Yang via libcamera-devel ","Reply-To":"Harvey Yang ","Cc":"Harvey Yang ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Hi folks,\n\nAs ipu3 ISP has one frame delay for the output, it currently has the\nfirst frame being all black. It's tested in one of the CrOS camera\ntast test: camera.Connector.\nThis patch fixes that by queueing one extra padding frame.\n\nPlease check. Thanks!\n\nBR,\nHarvey\n\nHarvey Yang (1):\n libcamera: Fix ipu3's issue of first black frame\n\n src/libcamera/pipeline/ipu3/ipu3.cpp | 50 ++++++++++++++++++++++++----\n 1 file changed, 43 insertions(+), 7 deletions(-)"}