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{
    "id": 1892,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/1892/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/1892/",
    "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": "<20190829232653.13214-6-niklas.soderlund@ragnatech.se>",
    "date": "2019-08-29T23:26:44",
    "name": "[libcamera-devel,v2,05/14] libcamera: pipeline: Add callback to initialize IPA",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "59fddff649a6205c930c83af0b5699e192f4bdcb",
    "submitter": {
        "id": 5,
        "url": "https://patchwork.libcamera.org/api/1.1/people/5/?format=api",
        "name": "Niklas Söderlund",
        "email": "niklas.soderlund@ragnatech.se"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/1892/mbox/",
    "series": [
        {
            "id": 475,
            "url": "https://patchwork.libcamera.org/api/1.1/series/475/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=475",
            "date": "2019-08-29T23:26:40",
            "name": "libcamera: ipa: Add basic IPA support",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/475/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/1892/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/1892/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<niklas.soderlund@ragnatech.se>",
        "Received": [
            "from vsp-unauthed02.binero.net (vsp-unauthed02.binero.net\n\t[195.74.38.227])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A43E060BE5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 30 Aug 2019 01:27:32 +0200 (CEST)",
            "from bismarck.berto.se (unknown [79.202.45.17])\n\tby bin-vsp-out-03.atm.binero.net (Halon) with ESMTPA\n\tid 8fee1d91-cab4-11e9-837a-0050569116f7;\n\tFri, 30 Aug 2019 01:27:27 +0200 (CEST)"
        ],
        "X-Halon-ID": "8fee1d91-cab4-11e9-837a-0050569116f7",
        "Authorized-sender": "niklas@soderlund.pp.se",
        "From": "=?utf-8?q?Niklas_S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 30 Aug 2019 01:26:44 +0200",
        "Message-Id": "<20190829232653.13214-6-niklas.soderlund@ragnatech.se>",
        "X-Mailer": "git-send-email 2.22.1",
        "In-Reply-To": "<20190829232653.13214-1-niklas.soderlund@ragnatech.se>",
        "References": "<20190829232653.13214-1-niklas.soderlund@ragnatech.se>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 05/14] libcamera: pipeline: Add\n\tcallback to initialize IPA",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.23",
        "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>",
        "X-List-Received-Date": "Thu, 29 Aug 2019 23:27:33 -0000"
    },
    "content": "Add a callback so the IPA can be initialized before a camera is exposed\nto an application.\n\nSigned-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\n---\n src/libcamera/include/pipeline_handler.h |  2 ++\n src/libcamera/pipeline_handler.cpp       | 20 ++++++++++++++++++++\n 2 files changed, 22 insertions(+)",
    "diff": "diff --git a/src/libcamera/include/pipeline_handler.h b/src/libcamera/include/pipeline_handler.h\nindex 91d40ef40a465c4e..ca40e7ef2b85f372 100644\n--- a/src/libcamera/include/pipeline_handler.h\n+++ b/src/libcamera/include/pipeline_handler.h\n@@ -43,6 +43,8 @@ public:\n \t}\n \tvirtual ~CameraData() {}\n \n+\tvirtual int initIPA() { return 0; };\n+\n \tCamera *camera_;\n \tPipelineHandler *pipe_;\n \tstd::list<Request *> queuedRequests_;\ndiff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp\nindex 846272485c7d2fc0..613751619a398968 100644\n--- a/src/libcamera/pipeline_handler.cpp\n+++ b/src/libcamera/pipeline_handler.cpp\n@@ -66,6 +66,20 @@ LOG_DEFINE_CATEGORY(Pipeline)\n  * is needed for the camera both parameters should be set to 0.\n  */\n \n+/**\n+ * \\fn CameraData::initIPA()\n+ * \\brief Callback to initialize the IPA\n+ *\n+ * This callback is called once a IPA have been associated with the camera.\n+ * It allows the CameraData to preform initialization of the IPA before the\n+ * camera is registered in the system.\n+ *\n+ * If this callback returns an error, the camera it represents will not be\n+ * registered in the system.\n+ *\n+ * \\return 0 on success or a negative error code otherwise\n+ */\n+\n /**\n  * \\var CameraData::camera_\n  * \\brief The camera related to this CameraData instance\n@@ -461,6 +475,12 @@ void PipelineHandler::registerCamera(std::shared_ptr<Camera> camera,\n \t\t\t\t\t       << \" no IPA found\";\n \t\t\treturn;\n \t\t}\n+\n+\t\tif (data->initIPA()) {\n+\t\t\tLOG(Pipeline, Warning) << \"Skipping \" << camera->name()\n+\t\t\t\t<< \" initialization of camera data failed\";\n+\t\t\treturn;\n+\t\t}\n \t}\n \n \tcameraData_[camera.get()] = std::move(data);\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "05/14"
    ]
}