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{
    "id": 22869,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/22869/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22869/",
    "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": "<20250225164116.414301-6-stanislaw.gruszka@linux.intel.com>",
    "date": "2025-02-25T16:41:16",
    "name": "[v5,5/5] pipeline: simple: Create DelayedControls instance once only",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "81213dc8c1e900ec36adaddfda23efdba6a181d6",
    "submitter": {
        "id": 211,
        "url": "https://patchwork.libcamera.org/api/1.1/people/211/?format=api",
        "name": "Stanislaw Gruszka",
        "email": "stanislaw.gruszka@linux.intel.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22869/mbox/",
    "series": [
        {
            "id": 5021,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5021/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5021",
            "date": "2025-02-25T16:41:11",
            "name": "libcamera: start frame events changes",
            "version": 5,
            "mbox": "https://patchwork.libcamera.org/series/5021/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22869/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22869/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
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        "X-ExtLoop1": "1",
        "From": "Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tNaushir Patuck <naush@raspberrypi.com>,\n\tSakari Ailus <sakari.ailus@linux.intel.com>,\n\tHans de Goede <hdegoede@redhat.com>",
        "Subject": "[PATCH v5 5/5] pipeline: simple: Create DelayedControls instance\n\tonce only",
        "Date": "Tue, 25 Feb 2025 17:41:16 +0100",
        "Message-Id": "<20250225164116.414301-6-stanislaw.gruszka@linux.intel.com>",
        "X-Mailer": "git-send-email 2.34.1",
        "In-Reply-To": "<20250225164116.414301-1-stanislaw.gruszka@linux.intel.com>",
        "References": "<20250225164116.414301-1-stanislaw.gruszka@linux.intel.com>",
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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": "From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\nThe DelayedControls instance for the camera sensor is created in\nSimplePipelineHandler::configure(). Constant deletion and reconstruction\nof a new object is unnecessary, as the control delays are an intrinsic\nproperty of the sensor and are known at initialization time. Move the\nDelayedControls creation to the SimpleCameraData class constructor.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nSigned-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>\n---\n src/libcamera/pipeline/simple/simple.cpp | 16 +++++++---------\n 1 file changed, 7 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex b92b738b..73a4138e 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -489,6 +489,13 @@ SimpleCameraData::SimpleCameraData(SimplePipelineHandler *pipe,\n \tif (!sensor_)\n \t\treturn;\n \n+\tconst CameraSensorProperties::SensorDelays &delays = sensor_->sensorDelays();\n+\tstd::unordered_map<uint32_t, DelayedControls::ControlParams> params = {\n+\t\t{ V4L2_CID_ANALOGUE_GAIN, { delays.gainDelay, false } },\n+\t\t{ V4L2_CID_EXPOSURE, { delays.exposureDelay, false } },\n+\t};\n+\tdelayedCtrls_ = std::make_unique<DelayedControls>(sensor_->device(), params);\n+\n \tLOG(SimplePipeline, Debug)\n \t\t<< \"Found pipeline: \"\n \t\t<< utils::join(entities_, \" -> \",\n@@ -1294,15 +1301,6 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n \tif (outputCfgs.empty())\n \t\treturn 0;\n \n-\tconst CameraSensorProperties::SensorDelays &delays = data->sensor_->sensorDelays();\n-\tstd::unordered_map<uint32_t, DelayedControls::ControlParams> params = {\n-\t\t{ V4L2_CID_ANALOGUE_GAIN, { delays.gainDelay, false } },\n-\t\t{ V4L2_CID_EXPOSURE, { delays.exposureDelay, false } },\n-\t};\n-\tdata->delayedCtrls_ =\n-\t\tstd::make_unique<DelayedControls>(data->sensor_->device(),\n-\t\t\t\t\t\t  params);\n-\n \tStreamConfiguration inputCfg;\n \tinputCfg.pixelFormat = pipeConfig->captureFormat;\n \tinputCfg.size = pipeConfig->captureSize;\n",
    "prefixes": [
        "v5",
        "5/5"
    ]
}