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{
    "id": 376,
    "url": "https://patchwork.libcamera.org/api/patches/376/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/376/",
    "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": "<20190125143951.27992-4-niklas.soderlund@ragnatech.se>",
    "date": "2019-01-25T14:39:51",
    "name": "[libcamera-devel,v2,3/3] libcamera: pipeline: uvcvideo: create a V4L2Device for the default video entity",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "fa72e47a976ff25539ce8009cc78f443d5248c00",
    "submitter": {
        "id": 5,
        "url": "https://patchwork.libcamera.org/api/people/5/?format=api",
        "name": "Niklas Söderlund",
        "email": "niklas.soderlund@ragnatech.se"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/376/mbox/",
    "series": [
        {
            "id": 130,
            "url": "https://patchwork.libcamera.org/api/series/130/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=130",
            "date": "2019-01-25T14:39:49",
            "name": "libcamera: pipeline: uvcvideo: attach to a V4L2Device",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/130/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/376/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/376/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 A6C7B60B21\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 25 Jan 2019 15:40:18 +0100 (CET)",
            "from bismarck.berto.se (unknown [89.233.230.99])\n\tby bin-vsp-out-01.atm.binero.net (Halon) with ESMTPA\n\tid 1f0cad2f-20af-11e9-9adf-005056917a89;\n\tFri, 25 Jan 2019 15:40:12 +0100 (CET)"
        ],
        "X-Halon-ID": "1f0cad2f-20af-11e9-9adf-005056917a89",
        "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, 25 Jan 2019 15:39:51 +0100",
        "Message-Id": "<20190125143951.27992-4-niklas.soderlund@ragnatech.se>",
        "X-Mailer": "git-send-email 2.20.1",
        "In-Reply-To": "<20190125143951.27992-1-niklas.soderlund@ragnatech.se>",
        "References": "<20190125143951.27992-1-niklas.soderlund@ragnatech.se>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 3/3] libcamera: pipeline: uvcvideo:\n\tcreate a V4L2Device for the default video entity",
        "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": "Fri, 25 Jan 2019 14:40:19 -0000"
    },
    "content": "Add a V4L2Device for the default video entity in the media graph. The\nUVC pipeline needs to search for the entity marked with the\nMEDIA_ENT_FL_DEFAULT flag as the entity names in the media graph varies\ndepending on which device is used.\n\nSigned-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\n---\n src/libcamera/pipeline/uvcvideo.cpp | 20 +++++++++++++++++++-\n 1 file changed, 19 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/libcamera/pipeline/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo.cpp\nindex 1a445edfa8df777c..e3a475704c080e90 100644\n--- a/src/libcamera/pipeline/uvcvideo.cpp\n+++ b/src/libcamera/pipeline/uvcvideo.cpp\n@@ -11,6 +11,7 @@\n #include \"log.h\"\n #include \"media_device.h\"\n #include \"pipeline_handler.h\"\n+#include \"v4l2_device.h\"\n \n namespace libcamera {\n \n@@ -26,15 +27,20 @@ public:\n \n private:\n \tstd::shared_ptr<MediaDevice> media_;\n+\n+\tV4L2Device *video_;\n };\n \n PipelineHandlerUVC::PipelineHandlerUVC(CameraManager *manager)\n-\t: PipelineHandler(manager), media_(nullptr)\n+\t: PipelineHandler(manager), media_(nullptr), video_(nullptr)\n {\n }\n \n PipelineHandlerUVC::~PipelineHandlerUVC()\n {\n+\tif (video_)\n+\t\tdelete video_;\n+\n \tif (media_)\n \t\tmedia_->release();\n }\n@@ -50,6 +56,18 @@ bool PipelineHandlerUVC::match(DeviceEnumerator *enumerator)\n \n \tmedia_->acquire();\n \n+\tfor (MediaEntity *entity : media_->entities()) {\n+\t\tif (entity->flags() & MEDIA_ENT_FL_DEFAULT) {\n+\t\t\tvideo_ = new V4L2Device(*entity);\n+\t\t\tbreak;\n+\t\t}\n+\t}\n+\n+\tif (!video_ || video_->open()) {\n+\t\tmedia_->release();\n+\t\treturn false;\n+\t}\n+\n \tstd::shared_ptr<Camera> camera = Camera::create(this, media_->model());\n \tregisterCamera(std::move(camera));\n \thotplugMediaDevice(media_.get());\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "3/3"
    ]
}