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{
    "id": 10938,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/10938/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/10938/",
    "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": "<20210121174633.382334-3-jacopo@jmondi.org>",
    "date": "2021-01-21T17:46:30",
    "name": "[libcamera-devel,2/5] libcamera: ipu3: Register FrameDurations control",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "045fdaa165deb9c135ed92c30a4a1885cd734d42",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": {
        "id": 15,
        "url": "https://patchwork.libcamera.org/api/1.1/users/15/?format=api",
        "username": "jmondi",
        "first_name": "Jacopo",
        "last_name": "Mondi",
        "email": "jacopo@jmondi.org"
    },
    "mbox": "https://patchwork.libcamera.org/patch/10938/mbox/",
    "series": [
        {
            "id": 1594,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1594/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1594",
            "date": "2021-01-21T17:46:28",
            "name": "android: Report frame durations",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1594/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/10938/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/10938/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 C5FADC0F2A\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 21 Jan 2021 17:46:45 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id BD2756820A;\n\tThu, 21 Jan 2021 18:46:44 +0100 (CET)",
            "from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A11C468206\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 21 Jan 2021 18:46:42 +0100 (CET)",
            "from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 6E17CFF80E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 21 Jan 2021 17:46:42 +0000 (UTC)"
        ],
        "X-Originating-IP": "93.34.118.233",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 21 Jan 2021 18:46:30 +0100",
        "Message-Id": "<20210121174633.382334-3-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.29.2",
        "In-Reply-To": "<20210121174633.382334-1-jacopo@jmondi.org>",
        "References": "<20210121174633.382334-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH 2/5] libcamera: ipu3: Register\n\tFrameDurations control",
        "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>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Register the FrameDurations control in the IPU3 pipeline handler\ncomputed using the vertical blanking limits and the current\nconfiguration pixel rate as parameters.\n\nThe FrameDurations control limits should be updated everytime a new\nconfiguration is applied to the sensor.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 35 +++++++++++++++++++++++++++-\n 1 file changed, 34 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 329b9d51cf1b..50b03008c0fb 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -754,6 +754,7 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)\n \t\treturn ret;\n \n \tControlInfoMap::Map controls = IPU3Controls;\n+\tconst ControlInfoMap &sensorControls = sensor->controls();\n \n \t/*\n \t * Compute exposure time limits.\n@@ -766,7 +767,6 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)\n \t */\n \tdouble lineDuration = sensorInfo.lineLength\n \t\t\t    / (sensorInfo.pixelRate / 1e6f);\n-\tconst ControlInfoMap &sensorControls = sensor->controls();\n \tconst ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;\n \tint32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration;\n \tint32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration;\n@@ -781,6 +781,39 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)\n \tcontrols[&controls::ExposureTime] = ControlInfo(minExposure, maxExposure,\n \t\t\t\t\t\t\tdefExposure);\n \n+\t/*\n+\t * Compute the frame duration limits.\n+\t *\n+\t * \\todo The frame duration limits depend on the sensor configuration.\n+\t * Initialize the control using the frame sizes and pixel rate of the\n+\t * current configuration.\n+\t *\n+\t * The frame length is computed assuming a fixed line length combined\n+\t * with the vertical frame sizes.\n+\t */\n+\tconst ControlInfo &v4l2HBlank = sensorControls.find(V4L2_CID_HBLANK)->second;\n+\tuint32_t hblank = v4l2HBlank.def().get<int32_t>();\n+\tuint32_t lineLength = sensorInfo.outputSize.width + hblank;\n+\n+\tconst ControlInfo &v4l2VBlank = sensorControls.find(V4L2_CID_VBLANK)->second;\n+\tstd::array<uint32_t, 3> frameHeights{\n+\t\t(v4l2VBlank.min().get<int32_t>() + sensorInfo.outputSize.height),\n+\t\t(v4l2VBlank.max().get<int32_t>() + sensorInfo.outputSize.height),\n+\t\t(v4l2VBlank.def().get<int32_t>() + sensorInfo.outputSize.height),\n+\t};\n+\n+\tstd::vector<int64_t> frameDurations;\n+\tframeDurations.reserve(3);\n+\tstd::transform(frameHeights.begin(), frameHeights.end(),\n+\t\t       std::back_inserter(frameDurations),\n+\t\t       [&](int32_t frameHeight) {\n+\t\t\t       int64_t frameSize = lineLength * frameHeight;\n+\t\t\t       return frameSize / (sensorInfo.pixelRate / 1000000U);\n+\t\t       });\n+\tcontrols[&controls::FrameDurations] = ControlInfo(frameDurations[0],\n+\t\t\t\t\t\t\t  frameDurations[1],\n+\t\t\t\t\t\t\t  frameDurations[2]);\n+\n \t/*\n \t * Compute the scaler crop limits.\n \t *\n",
    "prefixes": [
        "libcamera-devel",
        "2/5"
    ]
}