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{
    "id": 15538,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/15538/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/15538/",
    "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": "<20220324142035.47338-3-umang.jain@ideasonboard.com>",
    "date": "2022-03-24T14:20:34",
    "name": "[libcamera-devel,v3,2/3] ipa: ipu3: Drop sensor controls private members from IPAIPU3",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "fa90fc690dbe1bd91b597c2f61857fffdc03910b",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/1.1/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": {
        "id": 12,
        "url": "https://patchwork.libcamera.org/api/1.1/users/12/?format=api",
        "username": "uajain",
        "first_name": "Umang",
        "last_name": "Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/15538/mbox/",
    "series": [
        {
            "id": 2997,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2997/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2997",
            "date": "2022-03-24T14:20:32",
            "name": "ipa: ipu3: Consolidate querying of exposure and gain limits",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/2997/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/15538/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/15538/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 768D4C0F1B\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 24 Mar 2022 14:20:54 +0000 (UTC)",
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            "from perceval.ideasonboard.com (unknown [103.86.18.100])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 44F851844;\n\tThu, 24 Mar 2022 15:20:50 +0100 (CET)"
        ],
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            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1648131654;\n\tbh=zc39wk+H5OxlQO7xzQdrOPi/HFEGmd3msaMIDLF2/G8=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=0FfQLw1wmQBn7wyCXnmPPZp5UcdmXU4Z824kq3oDJ3M7pbGiW0fRo0y3DfH6PhWz7\n\t9roLrlEWuKhMuYwoPCwcManZ2xvwx5tkXUaflW9MQtkdTN6GtIPVzwqMi4E/cxYStX\n\t9743Tbm1/3DLgKMmDnAAcxdhHwLyjz/T0HJJZygM3lPb4d0YrqEZxl/h/bpjaI/thV\n\tcMLStRckd+XiOji5wBrKrBL70L/jAhxmnUzdcW5WS0EIiPmQQDw1VrUiDZBK3duufL\n\tXnQMrQBWPEhGzK0q9fC279HVoUxaod0/YneAFI9f/3zrbx99q50bAbqJoVw9QGk8+X\n\t6gDs/qHPGOE+Q==",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"BQCbhlya\"; dkim-atps=neutral",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 24 Mar 2022 19:50:34 +0530",
        "Message-Id": "<20220324142035.47338-3-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20220324142035.47338-1-umang.jain@ideasonboard.com>",
        "References": "<20220324142035.47338-1-umang.jain@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v3 2/3] ipa: ipu3: Drop sensor controls\n\tprivate members from IPAIPU3",
        "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>",
        "From": "Umang Jain via libcamera-devel <libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Umang Jain <umang.jain@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Drop exposure, gain private members from IPAIPU3 because the values\nare handled directly via IPAFrameContext.\n\nMove the default vblank value from IPAIPU3 to IPASessionContext\nstructure as it is a default static value not expected to change\nfor a session.\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n---\n src/ipa/ipu3/ipa_context.h |  1 +\n src/ipa/ipu3/ipu3.cpp      | 29 +++++++++--------------------\n 2 files changed, 10 insertions(+), 20 deletions(-)",
    "diff": "diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h\nindex 6b7a512e..103498ef 100644\n--- a/src/ipa/ipu3/ipa_context.h\n+++ b/src/ipa/ipu3/ipa_context.h\n@@ -37,6 +37,7 @@ struct IPASessionConfiguration {\n \t} agc;\n \n \tstruct {\n+\t\tint32_t defVBlank;\n \t\tutils::Duration lineDuration;\n \t} sensor;\n };\ndiff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp\nindex a8cc2f6c..3717d893 100644\n--- a/src/ipa/ipu3/ipu3.cpp\n+++ b/src/ipa/ipu3/ipu3.cpp\n@@ -166,11 +166,6 @@ private:\n \n \tIPACameraSensorInfo sensorInfo_;\n \n-\t/* Camera sensor controls. */\n-\tuint32_t defVBlank_;\n-\tuint32_t exposure_;\n-\tuint32_t gain_;\n-\n \t/* Interface to the Camera Helper */\n \tstd::unique_ptr<CameraSensorHelper> camHelper_;\n \n@@ -187,15 +182,16 @@ private:\n  */\n void IPAIPU3::updateSessionConfiguration(const ControlInfoMap &sensorControls)\n {\n+\tconst ControlInfo vBlank = sensorControls.find(V4L2_CID_VBLANK)->second;\n+\tcontext_.configuration.sensor.defVBlank = vBlank.def().get<int32_t>();\n+\n \tconst ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;\n \tint32_t minExposure = v4l2Exposure.min().get<int32_t>();\n \tint32_t maxExposure = v4l2Exposure.max().get<int32_t>();\n-\texposure_ = minExposure;\n \n \tconst ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;\n \tint32_t minGain = v4l2Gain.min().get<int32_t>();\n \tint32_t maxGain = v4l2Gain.max().get<int32_t>();\n-\tgain_ = minGain;\n \n \t/*\n \t * When the AGC computes the new exposure values for a frame, it needs\n@@ -432,14 +428,6 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,\n \t */\n \tsensorCtrls_ = configInfo.sensorControls;\n \n-\tconst auto itVBlank = sensorCtrls_.find(V4L2_CID_VBLANK);\n-\tif (itVBlank == sensorCtrls_.end()) {\n-\t\tLOG(IPAIPU3, Error) << \"Can't find VBLANK control\";\n-\t\treturn -EINVAL;\n-\t}\n-\n-\tdefVBlank_ = itVBlank->second.def().get<int32_t>();\n-\n \tcalculateBdsGrid(configInfo.bdsOutputSize);\n \n \t/* Clean frameContext at each reconfiguration. */\n@@ -605,6 +593,7 @@ void IPAIPU3::parseStatistics(unsigned int frame,\n \t\t\t      const ipu3_uapi_stats_3a *stats)\n {\n \tdouble lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();\n+\tint32_t vBlank = context_.configuration.sensor.defVBlank;\n \tControlList ctrls(controls::controls);\n \n \tfor (auto const &algo : algorithms_)\n@@ -613,7 +602,7 @@ void IPAIPU3::parseStatistics(unsigned int frame,\n \tsetControls(frame);\n \n \t/* \\todo Use VBlank value calculated from each frame exposure. */\n-\tint64_t frameDuration = (defVBlank_ + sensorInfo_.outputSize.height) * lineDuration;\n+\tint64_t frameDuration = (vBlank + sensorInfo_.outputSize.height) * lineDuration;\n \tctrls.set(controls::FrameDuration, frameDuration);\n \n \tctrls.set(controls::AnalogueGain, context_.frameContext.sensor.gain);\n@@ -649,12 +638,12 @@ void IPAIPU3::setControls(unsigned int frame)\n \tIPU3Action op;\n \top.op = ActionSetSensorControls;\n \n-\texposure_ = context_.frameContext.agc.exposure;\n-\tgain_ = camHelper_->gainCode(context_.frameContext.agc.gain);\n+\tint32_t exposure = context_.frameContext.agc.exposure;\n+\tint32_t gain = camHelper_->gainCode(context_.frameContext.agc.gain);\n \n \tControlList ctrls(sensorCtrls_);\n-\tctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure_));\n-\tctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain_));\n+\tctrls.set(V4L2_CID_EXPOSURE, exposure);\n+\tctrls.set(V4L2_CID_ANALOGUE_GAIN, gain);\n \top.sensorControls = ctrls;\n \n \tControlList lensCtrls(lensCtrls_);\n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "2/3"
    ]
}