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{
    "id": 19621,
    "url": "https://patchwork.libcamera.org/api/patches/19621/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19621/",
    "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": "<20240301212121.9072-31-laurent.pinchart@ideasonboard.com>",
    "date": "2024-03-01T21:21:19",
    "name": "[PATCH/RFC,30/32] pipeline: raspberrypi: vc4: Fix configuration of the embedded data node",
    "commit_ref": null,
    "pull_url": null,
    "state": "rfc",
    "archived": false,
    "hash": "8e439b06cfcec32440911f8d261a109b6c2f40b6",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/19621/mbox/",
    "series": [
        {
            "id": 4197,
            "url": "https://patchwork.libcamera.org/api/series/4197/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4197",
            "date": "2024-03-01T21:20:49",
            "name": "libcamera: Support the upstream Unicam driver",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4197/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19621/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19621/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 CD625BD160\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  1 Mar 2024 21:22:05 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"f/tl4/OZ\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1709328109;\n\tbh=YSMuEhlQbv/mbS4xuvgyxPFDndM/NDOaJQLd/+dyulI=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=f/tl4/OZWyxEdr0KcmhlIClcqeMYfdN+8uSizZo8p3aMRskgbJKeVBxQN+eIrK68r\n\tR2XVgCt9s0KQEd39Od+8n0kK/UK38P4t0ooejI4NtMzSVVJxsuNLrkk9pZEdxcimUl\n\tC9b0KS+6Tm9ePmhHD0i0oalM184PVZW0pOQBgJaQ=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Subject": "[PATCH/RFC 30/32] pipeline: raspberrypi: vc4: Fix configuration of\n\tthe embedded data node",
        "Date": "Fri,  1 Mar 2024 23:21:19 +0200",
        "Message-ID": "<20240301212121.9072-31-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20240301212121.9072-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20240301212121.9072-1-laurent.pinchart@ideasonboard.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>",
        "Cc": "Sakari Ailus <sakari.ailus@iki.fi>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The Unicam embedded data video device suffers from two issues with the\nupstream driver:\n\n- The driver uses the generic metadata V4L2_META_FMT_GENERIC_* formats,\n  instead of the downstream V4L2_META_FMT_SENSOR_DATA.\n\n- The driver requires the width and height of the embedded data stream\n  to be configured.\n\nFix them both.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/pipeline/rpi/vc4/vc4.cpp | 19 +++++++++++++++++--\n 1 file changed, 17 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/rpi/vc4/vc4.cpp b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\nindex 81e0bc1b8f7a..2ff9b708d021 100644\n--- a/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n+++ b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n@@ -624,10 +624,25 @@ int Vc4CameraData::platformConfigure(const RPi::RPiCameraConfiguration *rpiConfi\n \t * supports it.\n \t */\n \tif (sensorMetadata_) {\n+\t\tstatic const std::map<uint32_t, V4L2PixelFormat> metaFormats{\n+\t\t\t{ MEDIA_BUS_FMT_META_8, V4L2PixelFormat(V4L2_META_FMT_GENERIC_8) },\n+\t\t\t{ MEDIA_BUS_FMT_META_10, V4L2PixelFormat(V4L2_META_FMT_GENERIC_CSI2_10) },\n+\t\t\t{ MEDIA_BUS_FMT_META_12, V4L2PixelFormat(V4L2_META_FMT_GENERIC_CSI2_12) },\n+\t\t\t{ MEDIA_BUS_FMT_META_14, V4L2PixelFormat(V4L2_META_FMT_GENERIC_CSI2_14) },\n+\t\t};\n+\n \t\tV4L2SubdeviceFormat embeddedFormat = sensor_->embeddedDataFormat();\n+\t\tconst auto metaFormat = metaFormats.find(embeddedFormat.code);\n+\t\tif (metaFormat == metaFormats.end()) {\n+\t\t\tLOG(RPI, Error)\n+\t\t\t\t<< \"Unsupported metadata format \"\n+\t\t\t\t<< utils::hex(embeddedFormat.code, 4);\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\n \t\tV4L2DeviceFormat format{};\n-\t\tformat.fourcc = V4L2PixelFormat(V4L2_META_FMT_SENSOR_DATA);\n-\t\tformat.planes[0].size = embeddedFormat.size.width * embeddedFormat.size.height;\n+\t\tformat.fourcc = metaFormat->second;\n+\t\tformat.size = embeddedFormat.size;\n \n \t\tLOG(RPI, Debug) << \"Setting embedded data format \" << format;\n \t\tret = unicam_[Unicam::Embedded].dev()->setFormat(&format);\n",
    "prefixes": [
        "PATCH/RFC",
        "30/32"
    ]
}