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{
    "id": 23779,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/23779/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/23779/",
    "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": "<20250710144316.601640-1-barnabas.pocze@ideasonboard.com>",
    "date": "2025-07-10T14:43:16",
    "name": "[v1] libcamera: pipeline: rpi: Do not set timestamps to 0 if unavailable",
    "commit_ref": "1ef8981c3931f1df00e478b25d535306be1a2f6a",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "3cbc9939caf5c084db89cb7e124b8df54e78ed7d",
    "submitter": {
        "id": 216,
        "url": "https://patchwork.libcamera.org/api/1.1/people/216/?format=api",
        "name": "Barnabás Pőcze",
        "email": "barnabas.pocze@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/23779/mbox/",
    "series": [
        {
            "id": 5280,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5280/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5280",
            "date": "2025-07-10T14:43:16",
            "name": "[v1] libcamera: pipeline: rpi: Do not set timestamps to 0 if unavailable",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/5280/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/23779/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/23779/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 8144CC3237\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 10 Jul 2025 14:43:23 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"HXMfEfBz\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1752158571;\n\tbh=zvg3mBHVucwtnoiNfmswx4MMnJ38zAXw8ZF+CYjqll4=;\n\th=From:To:Subject:Date:From;\n\tb=HXMfEfBzWmUrZRYv8YbHHIZv8hOAlm41YF+5cJytZ0LMPuTDHMEAQOoWOSnu1ADM7\n\teU79XKC21fv+zrjrMW860kX5+32HLTDhPRzGYWxTHRfFPxRYKsy4R29UNxKu3wWXPU\n\tgjc6gtvgVK97LRVYcSw3oGArneX00EtXXcUIuKPo=",
        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org,\n\tDavid Plowman <david.plowman@raspberrypi.com>,\n\tNaushir Patuck <naush@raspberrypi.com>",
        "Subject": "[PATCH v1] libcamera: pipeline: rpi: Do not set timestamps to 0 if\n\tunavailable",
        "Date": "Thu, 10 Jul 2025 16:43:16 +0200",
        "Message-ID": "<20250710144316.601640-1-barnabas.pocze@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.50.0",
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        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
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        "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": "`SensorTimestamp` and `FrameWallClock` should always be available. However,\nif that ever changes or they are not available for some unforeseen reason,\nsetting them to 0 is not ideal. That makes it more complicated for the\napplication to detect these cases (since they have to check the existence\neither way), and if an application blindly assumes e.g. that `SensorTimestamp`\nis monotonically increasing, then receiving a timestamp of 0 will likely\ncause issues.\n\nSo simply omit them from the request metadata if they are not available.\n\nSigned-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n src/libcamera/pipeline/rpi/common/pipeline_base.cpp | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\nindex eafe94427..563df198e 100644\n--- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n+++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp\n@@ -1487,10 +1487,10 @@ void CameraData::checkRequestCompleted()\n \n void CameraData::fillRequestMetadata(const ControlList &bufferControls, Request *request)\n {\n-\trequest->metadata().set(controls::SensorTimestamp,\n-\t\t\t\tbufferControls.get(controls::SensorTimestamp).value_or(0));\n-\trequest->metadata().set(controls::FrameWallClock,\n-\t\t\t\tbufferControls.get(controls::FrameWallClock).value_or(0));\n+\tif (auto x = bufferControls.get(controls::SensorTimestamp))\n+\t\trequest->metadata().set(controls::SensorTimestamp, *x);\n+\tif (auto x = bufferControls.get(controls::FrameWallClock))\n+\t\trequest->metadata().set(controls::FrameWallClock, *x);\n \n \tif (cropParams_.size()) {\n \t\tstd::vector<Rectangle> crops;\n",
    "prefixes": [
        "v1"
    ]
}