{"id":18670,"url":"https://patchwork.libcamera.org/api/patches/18670/?format=json","web_url":"https://patchwork.libcamera.org/patch/18670/","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":"<20230531125016.5540-2-david.plowman@raspberrypi.com>","date":"2023-05-31T12:50:16","name":"[libcamera-devel,1/1] libcamera: controls: Add StartupFrame control","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"1154ed02a238e9f5d910d64a58dcd7fe9646bf8f","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/people/42/?format=json","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/18670/mbox/","series":[{"id":3896,"url":"https://patchwork.libcamera.org/api/series/3896/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3896","date":"2023-05-31T12:50:15","name":"StartupFrame metadata","version":1,"mbox":"https://patchwork.libcamera.org/series/3896/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/18670/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/18670/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 486DDC32A2\n\tfor ;\n\tWed, 31 May 2023 12:50:25 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id B5E5C627B1;\n\tWed, 31 May 2023 14:50:23 +0200 (CEST)","from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com\n\t[IPv6:2a00:1450:4864:20::42e])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 928D2626FA\n\tfor ;\n\tWed, 31 May 2023 14:50:21 +0200 (CEST)","by mail-wr1-x42e.google.com with SMTP id\n\tffacd0b85a97d-30c2bd52f82so207360f8f.3\n\tfor ;\n\tWed, 31 May 2023 05:50:21 -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\tt13-20020a5d690d000000b003062675d4c9sm6634926wru.39.2023.05.31.05.50.20\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 31 May 2023 05:50:20 -0700 (PDT)"],"DKIM-Signature":["v=1; 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\n\tWed, 31 May 2023 05:50:21 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 31 May 2023 13:50:16 +0100","Message-Id":"<20230531125016.5540-2-david.plowman@raspberrypi.com>","X-Mailer":"git-send-email 2.30.2","In-Reply-To":"<20230531125016.5540-1-david.plowman@raspberrypi.com>","References":"<20230531125016.5540-1-david.plowman@raspberrypi.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 1/1] libcamera: controls: Add StartupFrame\n\tcontrol","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":"This control is passed back in a frame as metadata to indicate whether\nthe camera system is still in a startup phase, and the application is\nadvised to avoid using the frame.\n\nSigned-off-by: David Plowman \n---\n src/libcamera/control_ids.yaml | 15 +++++++++++++++\n 1 file changed, 15 insertions(+)","diff":"diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml\nindex adea5f90..4742d907 100644\n--- a/src/libcamera/control_ids.yaml\n+++ b/src/libcamera/control_ids.yaml\n@@ -694,6 +694,21 @@ controls:\n Continuous AF is paused. No further state changes or lens movements\n will occur until the AfPauseResume control is sent.\n \n+ - StartupFrame:\n+ type: bool\n+ description: |\n+ The value true indicates that the camera system is still in a startup\n+ phase where the output images may not be reliable, or that certain of\n+ the control algorithms (such as AEC/AGC, AWB, and possibly others) may\n+ still be changing quite rapidly.\n+\n+ Applications are advised to avoid using these frames. Mostly, they will\n+ occur when the camera system starts for the first time, although,\n+ depending on the sensor and the implementation, they could occur at\n+ other times.\n+\n+ The value false indicates that this is a normal frame.\n+\n # ----------------------------------------------------------------------------\n # Draft controls section\n \n","prefixes":["libcamera-devel","1/1"]}