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{
    "id": 24915,
    "url": "https://patchwork.libcamera.org/api/patches/24915/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/24915/",
    "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": "<20251030165816.1095180-13-barnabas.pocze@ideasonboard.com>",
    "date": "2025-10-30T16:58:06",
    "name": "[RFC,v3,12/22,DNI] apps: cam: Print `MetadataListPlan` of camera",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "d0b062a5ae613db79502cf381fc7e777f1a4a8d2",
    "submitter": {
        "id": 216,
        "url": "https://patchwork.libcamera.org/api/people/216/?format=api",
        "name": "Barnabás Pőcze",
        "email": "barnabas.pocze@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/24915/mbox/",
    "series": [
        {
            "id": 5545,
            "url": "https://patchwork.libcamera.org/api/series/5545/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5545",
            "date": "2025-10-30T16:57:54",
            "name": "libcamera: Add `MetadataList`",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/5545/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/24915/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/24915/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 134F7C3332\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 30 Oct 2025 16:58:43 +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=\"S0U7pgV2\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1761843394;\n\tbh=fVyTzTg2dafxpL1k2PuEDr32Z8EkOdBxf1+x/Tt/jZs=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=S0U7pgV2bztig15Aj9l9cOEvAjQVXqoHx975MOFQk5xKykDBFlANwZZBeV5G8JllQ\n\tFPKZhtGFmJ1WZ2/o75++pPswnC97RFbLZ0UAxWUWq/WsfOFJXVCD6obGbB0djUte3C\n\tlyDSDWBlD/QBCgoS0SfEOLn/KN5dX9SZDHkHtl98=",
        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Subject": "[RFC PATCH v3 12/22] [DNI] apps: cam: Print `MetadataListPlan` of\n\tcamera",
        "Date": "Thu, 30 Oct 2025 17:58:06 +0100",
        "Message-ID": "<20251030165816.1095180-13-barnabas.pocze@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.51.1",
        "In-Reply-To": "<20251030165816.1095180-1-barnabas.pocze@ideasonboard.com>",
        "References": "<20251030165816.1095180-1-barnabas.pocze@ideasonboard.com>",
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        "Content-Transfer-Encoding": "8bit",
        "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": "When `--list-controls` is specified, print the set of supported metadata.\n\n---\nchanges in v3:\n  * print number of elements separately instead of NxM\n---\n src/apps/cam/camera_session.cpp | 15 +++++++++++++++\n 1 file changed, 15 insertions(+)",
    "diff": "diff --git a/src/apps/cam/camera_session.cpp b/src/apps/cam/camera_session.cpp\nindex 1596a25a3a..0aef3128f2 100644\n--- a/src/apps/cam/camera_session.cpp\n+++ b/src/apps/cam/camera_session.cpp\n@@ -14,6 +14,7 @@\n #include <sstream>\n \n #include <libcamera/control_ids.h>\n+#include <libcamera/metadata_list_plan.h>\n #include <libcamera/property_ids.h>\n \n #include \"../common/event_loop.h\"\n@@ -228,6 +229,20 @@ void CameraSession::listControls() const\n \t\t\tstd::cout << std::endl;\n \t\t}\n \t}\n+\n+\tfor (const auto &[id, info] : camera_->metadata()) {\n+\t\tconst auto *cid = controls::controls.at(id);\n+\n+\t\tstd::cout << \"Metadata: [  out] \" << cid->vendor() << \"::\" << cid->name()\n+\t\t\t  << \" type:\" << info.type\n+\t\t\t  << \" size:\" << info.size\n+\t\t\t  << \" alignment:\" << info.alignment;\n+\n+\t\tif (info.isArray)\n+\t\t\tstd::cout << \" count:\" << info.numElements;\n+\n+\t\tstd::cout << std::endl;\n+\t}\n }\n \n void CameraSession::listProperties() const\n",
    "prefixes": [
        "RFC",
        "v3",
        "12/22",
        "DNI"
    ]
}