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{
    "id": 22444,
    "url": "https://patchwork.libcamera.org/api/patches/22444/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22444/",
    "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": "<20241220162724.756494-5-stefan.klug@ideasonboard.com>",
    "date": "2024-12-20T16:26:50",
    "name": "[RFC,4/7] pipeline: rkisp1: Refactor setControls()",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "b719bcc7ff493db6ab0b2a2969bd395c57a5463e",
    "submitter": {
        "id": 184,
        "url": "https://patchwork.libcamera.org/api/people/184/?format=api",
        "name": "Stefan Klug",
        "email": "stefan.klug@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22444/mbox/",
    "series": [
        {
            "id": 4925,
            "url": "https://patchwork.libcamera.org/api/series/4925/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4925",
            "date": "2024-12-20T16:26:46",
            "name": "Improve regulation on rkisp1",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4925/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22444/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22444/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 4825CC327D\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 20 Dec 2024 16:27:42 +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=\"U+xsTqY2\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1734712019;\n\tbh=e3ZBBzNVHwcO14bqaUorHWfBxCEyScvaJ1hk6becrN0=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=U+xsTqY2B6oNsBsK5StNet3GfdbeDj8jw1feH/9QgzoRYbQvQMs3EP5JIh9I7pgzA\n\toNwqAuc341DL7R1hulkLZM+5rT3m65MrblOEqW5fTQ35qqLp5m+E2/o8VL7llXiJfZ\n\tiXAk08ojQr8Vp22VySR5ijLVpTyUVrc7W5xcdv54=",
        "From": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "Subject": "[RFC PATCH 4/7] pipeline: rkisp1: Refactor setControls()",
        "Date": "Fri, 20 Dec 2024 17:26:50 +0100",
        "Message-ID": "<20241220162724.756494-5-stefan.klug@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20241220162724.756494-1-stefan.klug@ideasonboard.com>",
        "References": "<20241220162724.756494-1-stefan.klug@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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "IPARkISP1::setControls() is called when new sensor controls shall be\nqueued in the pipeline handler. It constructs a list of sensor controls\nand then emits the setSensorControls signal.\n\nTo be able to return initial sensor controls from the IPARkISP1::start()\nfunction, similar functionality will be needed. Prepare for that by\nchanging the setControls() function to a getSensorControls() and by moving\nthe setSensorControls.emit() out of the function.\n\nThis patch contains no functional changes.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n---\n src/ipa/rkisp1/rkisp1.cpp | 22 +++++++++++-----------\n 1 file changed, 11 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp\nindex 2ffdd99b158a..45a539a61fb1 100644\n--- a/src/ipa/rkisp1/rkisp1.cpp\n+++ b/src/ipa/rkisp1/rkisp1.cpp\n@@ -76,7 +76,7 @@ private:\n \tvoid updateControls(const IPACameraSensorInfo &sensorInfo,\n \t\t\t    const ControlInfoMap &sensorControls,\n \t\t\t    ControlInfoMap *ipaControls);\n-\tvoid setControls(unsigned int frame);\n+\tControlList getSensorControls(unsigned int frame);\n \n \tstd::map<unsigned int, FrameBuffer> buffers_;\n \tstd::map<unsigned int, MappedFrameBuffer> mappedBuffers_;\n@@ -211,7 +211,8 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision,\n \n int IPARkISP1::start()\n {\n-\tsetControls(0);\n+\tControlList ctrls = getSensorControls(0);\n+\tsetSensorControls.emit(0, ctrls);\n \n \treturn 0;\n }\n@@ -378,7 +379,12 @@ void IPARkISP1::processStats(const uint32_t frame, const uint32_t bufferId,\n \t\talgo->process(context_, frame, frameContext, stats, metadata);\n \t}\n \n-\tsetControls(frame);\n+\t/*\n+\t * \\todo: Here we should do a lookahead that takes the sensor delays\n+\t * into account.\n+\t */\n+\tControlList ctrls = getSensorControls(frame);\n+\tsetSensorControls.emit(frame, ctrls);\n \n \tcontext_.debugMetadata.moveEntries(metadata);\n \tmetadataReady.emit(frame, metadata);\n@@ -443,13 +449,8 @@ void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo,\n \t*ipaControls = ControlInfoMap(std::move(ctrlMap), controls::controls);\n }\n \n-void IPARkISP1::setControls(unsigned int frame)\n+ControlList IPARkISP1::getSensorControls(unsigned int frame)\n {\n-\t/*\n-\t * \\todo The frame number is most likely wrong here, we need to take\n-\t * internal sensor delays and other timing parameters into account.\n-\t */\n-\n \tIPAFrameContext &frameContext = context_.frameContexts.get(frame);\n \tuint32_t exposure = frameContext.agc.exposure;\n \tuint32_t gain = context_.camHelper->gainCode(frameContext.agc.gain);\n@@ -457,8 +458,7 @@ void IPARkISP1::setControls(unsigned int frame)\n \tControlList ctrls(sensorControls_);\n \tctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure));\n \tctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain));\n-\n-\tsetSensorControls.emit(frame, ctrls);\n+\treturn ctrls;\n }\n \n } /* namespace ipa::rkisp1 */\n",
    "prefixes": [
        "RFC",
        "4/7"
    ]
}