Patch Detail
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GET /api/1.1/patches/23602/?format=api
{ "id": 23602, "url": "https://patchwork.libcamera.org/api/1.1/patches/23602/?format=api", "web_url": "https://patchwork.libcamera.org/patch/23602/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20250619100857.124809-2-naush@raspberrypi.com>", "date": "2025-06-19T10:05:53", "name": "[1/4] controls: Add FrameWallClock control", "commit_ref": "6a09deaf7d4a402051ee86ddc83d5af18e92eec9", "pull_url": null, "state": "accepted", "archived": false, "hash": "7412c3ac4bb8c4a777023ce6586889a91e437d41", "submitter": { "id": 34, "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api", "name": "Naushir Patuck", "email": "naush@raspberrypi.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/23602/mbox/", "series": [ { "id": 5232, "url": "https://patchwork.libcamera.org/api/1.1/series/5232/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5232", "date": "2025-06-19T10:05:52", "name": "Wallclock support", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5232/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/23602/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/23602/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 A8D07C3237\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 19 Jun 2025 10:09:08 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 786BC68DEC;\n\tThu, 19 Jun 2025 12:09:04 +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 5E66E68DC6\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 19 Jun 2025 12:09:02 +0200 (CEST)", "by mail-wr1-x433.google.com with SMTP id\n\tffacd0b85a97d-3a577f164c8so107972f8f.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 19 Jun 2025 03:09:02 -0700 (PDT)", "from NAUSH-P-DELL.pitowers.org ([93.93.133.154])\n\tby smtp.gmail.com with ESMTPSA id\n\t5b1f17b1804b1-4535ebcecb5sm23926555e9.37.2025.06.19.03.09.00\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tThu, 19 Jun 2025 03:09:01 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com; 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\n\tThu, 19 Jun 2025 03:09:01 -0700 (PDT)", "From": "Naushir Patuck <naush@raspberrypi.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "kieran.bingham@ideasonboard.com,\n\tDavid Plowman <david.plowman@raspberrypi.com>,\n\tNaushir Patuck <naush@raspberrypi.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>", "Subject": "[PATCH 1/4] controls: Add FrameWallClock control", "Date": "Thu, 19 Jun 2025 11:05:53 +0100", "Message-ID": "<20250619100857.124809-2-naush@raspberrypi.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20250619100857.124809-1-naush@raspberrypi.com>", "References": "<20250619100857.124809-1-naush@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": "<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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "From: David Plowman <david.plowman@raspberrypi.com>\n\nAdd a FrameWallClock control that reports the same moment as the\nframe's SensorTimestamp, but in wallclock units.\n\nSigned-off-by: David Plowman <david.plowman@raspberrypi.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Naushir Patuck <naush@raspberrypi.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\n---\n src/libcamera/control_ids_core.yaml | 19 ++++++++++++++++---\n 1 file changed, 16 insertions(+), 3 deletions(-)", "diff": "diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml\nindex aa7448645880..028919ef3d3e 100644\n--- a/src/libcamera/control_ids_core.yaml\n+++ b/src/libcamera/control_ids_core.yaml\n@@ -1,6 +1,4 @@\n-# SPDX-License-Identifier: LGPL-2.1-or-later\n-#\n-# Copyright (C) 2019, Google Inc.\n+\n #\n %YAML 1.1\n ---\n@@ -1268,4 +1266,19 @@ controls:\n description: |\n Enable or disable the debug metadata.\n \n+ - FrameWallClock:\n+ type: int64_t\n+ direction: out\n+ description: |\n+ This timestamp corresponds to the same moment in time as the\n+ SensorTimestamp, but is represented as a wall clock time as measured by\n+ the CLOCK_REALTIME clock.\n+\n+ Being a wall clock measurement, it can be used to synchronise timing\n+ across different devices.\n+\n+ \\sa SensorTimestamp\n+\n+ The FrameWallClock control can only be returned in metadata.\n+\n ...\n", "prefixes": [ "1/4" ] }