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{ "id": 18670, "url": "https://patchwork.libcamera.org/api/patches/18670/?format=api", "web_url": "https://patchwork.libcamera.org/patch/18670/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "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"[libcamera-devel,1/1] libcamera: controls: Add StartupFrame control", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "1154ed02a238e9f5d910d64a58dcd7fe9646bf8f", "submitter": { "id": 42, "url":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=api", "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=api", "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": "<libcamera-devel-bounces@lists.libcamera.org>", "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 <parsemail@patchwork.libcamera.org>;\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 <libcamera-devel@lists.libcamera.org>;\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 <libcamera-devel@lists.libcamera.org>;\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": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "David Plowman via libcamera-devel <libcamera-devel@lists.libcamera.org>", "Reply-To": "David Plowman <david.plowman@raspberrypi.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "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 <david.plowman@raspberrypi.com>\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" ] }