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{
    "id": 15419,
    "url": "https://patchwork.libcamera.org/api/patches/15419/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/15419/",
    "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": "<20220305172849.1022923-3-umang.jain@ideasonboard.com>",
    "date": "2022-03-05T17:28:48",
    "name": "[libcamera-devel,v2,2/3] ipa: ipu3: Drop sensor controls private members from IPAIPU3",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "a93c46db81c4fa0d1e8d14196420f4c9ef070fc5",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": {
        "id": 12,
        "url": "https://patchwork.libcamera.org/api/users/12/?format=api",
        "username": "uajain",
        "first_name": "Umang",
        "last_name": "Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/15419/mbox/",
    "series": [
        {
            "id": 2951,
            "url": "https://patchwork.libcamera.org/api/series/2951/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2951",
            "date": "2022-03-05T17:28:46",
            "name": "ipa: ipu3: Consolidate control limits into IPAContext",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/2951/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/15419/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/15419/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": [
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        ],
        "DKIM-Signature": [
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Sat,  5 Mar 2022 22:58:48 +0530",
        "Message-Id": "<20220305172849.1022923-3-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20220305172849.1022923-1-umang.jain@ideasonboard.com>",
        "References": "<20220305172849.1022923-1-umang.jain@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 2/3] ipa: ipu3: Drop sensor controls\r\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>,\r\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>,\r\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>\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\r\nindex e7c49828..d993359a 100644\r\n--- a/src/ipa/ipu3/ipa_context.h\r\n+++ b/src/ipa/ipu3/ipa_context.h\r\n@@ -33,6 +33,7 @@ struct IPASessionConfiguration {\r\n \t} agc;\r\n \r\n \tstruct {\r\n+\t\tint32_t defVBlank;\r\n \t\tutils::Duration lineDuration;\r\n \t} sensor;\r\n };\r\ndiff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp\r\nindex 4b6852a7..0df358ba 100644\r\n--- a/src/ipa/ipu3/ipu3.cpp\r\n+++ b/src/ipa/ipu3/ipu3.cpp\r\n@@ -164,11 +164,6 @@ private:\r\n \r\n \tIPACameraSensorInfo sensorInfo_;\r\n \r\n-\t/* Camera sensor controls. */\r\n-\tuint32_t defVBlank_;\r\n-\tuint32_t exposure_;\r\n-\tuint32_t gain_;\r\n-\r\n \t/* Interface to the Camera Helper */\r\n \tstd::unique_ptr<CameraSensorHelper> camHelper_;\r\n \r\n@@ -185,15 +180,16 @@ private:\r\n  */\r\n void IPAIPU3::updateSessionConfiguration(const ControlInfoMap &sensorControls)\r\n {\r\n+\tconst ControlInfo vBlank = sensorControls.find(V4L2_CID_VBLANK)->second;\r\n+\tcontext_.configuration.sensor.defVBlank = vBlank.def().get<int32_t>();\r\n+\r\n \tconst ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;\r\n \tint32_t minExposure = v4l2Exposure.min().get<int32_t>();\r\n \tint32_t maxExposure = v4l2Exposure.max().get<int32_t>();\r\n-\texposure_ = minExposure;\r\n \r\n \tconst ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;\r\n \tint32_t minGain = v4l2Gain.min().get<int32_t>();\r\n \tint32_t maxGain = v4l2Gain.max().get<int32_t>();\r\n-\tgain_ = minGain;\r\n \r\n \t/*\r\n \t * When the AGC computes the new exposure values for a frame, it needs\r\n@@ -427,14 +423,6 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,\r\n \t */\r\n \tctrls_ = configInfo.sensorControls;\r\n \r\n-\tconst auto itVBlank = ctrls_.find(V4L2_CID_VBLANK);\r\n-\tif (itVBlank == ctrls_.end()) {\r\n-\t\tLOG(IPAIPU3, Error) << \"Can't find VBLANK control\";\r\n-\t\treturn -EINVAL;\r\n-\t}\r\n-\r\n-\tdefVBlank_ = itVBlank->second.def().get<int32_t>();\r\n-\r\n \tcalculateBdsGrid(configInfo.bdsOutputSize);\r\n \r\n \t/* Clean frameContext at each reconfiguration. */\r\n@@ -600,6 +588,7 @@ void IPAIPU3::parseStatistics(unsigned int frame,\r\n \t\t\t      const ipu3_uapi_stats_3a *stats)\r\n {\r\n \tdouble lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();\r\n+\tint32_t vBlank = context_.configuration.sensor.defVBlank;\r\n \tControlList ctrls(controls::controls);\r\n \r\n \tfor (auto const &algo : algorithms_)\r\n@@ -608,7 +597,7 @@ void IPAIPU3::parseStatistics(unsigned int frame,\r\n \tsetControls(frame);\r\n \r\n \t/* \\todo Use VBlank value calculated from each frame exposure. */\r\n-\tint64_t frameDuration = (defVBlank_ + sensorInfo_.outputSize.height) * lineDuration;\r\n+\tint64_t frameDuration = (vBlank + sensorInfo_.outputSize.height) * lineDuration;\r\n \tctrls.set(controls::FrameDuration, frameDuration);\r\n \r\n \tctrls.set(controls::AnalogueGain, context_.frameContext.sensor.gain);\r\n@@ -644,12 +633,12 @@ void IPAIPU3::setControls(unsigned int frame)\r\n \tIPU3Action op;\r\n \top.op = ActionSetSensorControls;\r\n \r\n-\texposure_ = context_.frameContext.agc.exposure;\r\n-\tgain_ = camHelper_->gainCode(context_.frameContext.agc.gain);\r\n+\tint32_t exposure = context_.frameContext.agc.exposure;\r\n+\tint32_t gain = camHelper_->gainCode(context_.frameContext.agc.gain);\r\n \r\n \tControlList ctrls(ctrls_);\r\n-\tctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure_));\r\n-\tctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain_));\r\n+\tctrls.set(V4L2_CID_EXPOSURE, exposure);\r\n+\tctrls.set(V4L2_CID_ANALOGUE_GAIN, gain);\r\n \top.sensorControls = ctrls;\r\n \r\n \tqueueFrameAction.emit(frame, op);",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "2/3"
    ]
}