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{
    "id": 851,
    "url": "https://patchwork.libcamera.org/api/patches/851/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/851/",
    "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": "<20190402162134.3894-10-jacopo@jmondi.org>",
    "date": "2019-04-02T16:21:31",
    "name": "[libcamera-devel,v6,09/12] libcamera: ipu3: Connect CIO2 and ImgU bufferReady signals",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "3ba5fed75246fe255f7ea2e825915c918fcfa385",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/851/mbox/",
    "series": [
        {
            "id": 229,
            "url": "https://patchwork.libcamera.org/api/series/229/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=229",
            "date": "2019-04-02T16:21:22",
            "name": "libcamera: ipu3: Add ImgU support",
            "version": 6,
            "mbox": "https://patchwork.libcamera.org/series/229/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/851/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/851/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<jacopo@jmondi.org>",
        "Received": [
            "from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net\n\t[217.70.183.200])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0E48E611B5\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  2 Apr 2019 18:21:02 +0200 (CEST)",
            "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 1AE1F2000A;\n\tTue,  2 Apr 2019 16:21:00 +0000 (UTC)"
        ],
        "X-Originating-IP": "2.224.242.101",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue,  2 Apr 2019 18:21:31 +0200",
        "Message-Id": "<20190402162134.3894-10-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.21.0",
        "In-Reply-To": "<20190402162134.3894-1-jacopo@jmondi.org>",
        "References": "<20190402162134.3894-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v6 09/12] libcamera: ipu3: Connect CIO2\n\tand ImgU bufferReady signals",
        "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": "Tue, 02 Apr 2019 16:21:02 -0000"
    },
    "content": "Connect the CIO2 output bufferRead signal to a slot that simply\nqueue the received buffer to ImgU for processing, and connect the ImgU\nmain output bufferReady signal to the cameraData slot that notifies\nto applications that a new image buffer is available.\n\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 59 +++++++++++++++++++++++++---\n 1 file changed, 54 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 9bceb8bfab35..f6d08af906da 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -173,7 +173,9 @@ private:\n \t\t{\n \t\t}\n \n-\t\tvoid bufferReady(Buffer *buffer);\n+\t\tvoid imguOutputBufferReady(Buffer *buffer);\n+\t\tvoid imguInputBufferReady(Buffer *buffer);\n+\t\tvoid cio2BufferReady(Buffer *buffer);\n \n \t\tCIO2Device cio2_;\n \t\tImgUDevice *imgu_;\n@@ -539,15 +541,28 @@ int PipelineHandlerIPU3::registerCameras()\n \t\t */\n \t\tdata->imgu_ = numCameras ? &imgu1_ : &imgu0_;\n \n+\t\t/*\n+\t\t * Connect video devices' 'bufferReady' signals to their\n+\t\t * slot to implement the image processing pipeline.\n+\t\t *\n+\t\t * Frames produced by the CIO2 unit are passed to the\n+\t\t * associated ImgU input where they get processed and\n+\t\t * returned through the ImgU main and secondary outputs.\n+\t\t */\n+\t\tdata->cio2_.output_->bufferReady.connect(data.get(),\n+\t\t\t\t\t&IPU3CameraData::cio2BufferReady);\n+\t\tdata->imgu_->input_->bufferReady.connect(data.get(),\n+\t\t\t\t\t&IPU3CameraData::imguInputBufferReady);\n+\t\tdata->imgu_->output_.dev->bufferReady.connect(data.get(),\n+\t\t\t\t\t&IPU3CameraData::imguOutputBufferReady);\n+\n+\t\t/* Create and register the Camera instance. */\n \t\tstd::string cameraName = cio2->sensor_->entityName() + \" \"\n \t\t\t\t       + std::to_string(id);\n \t\tstd::shared_ptr<Camera> camera = Camera::create(this,\n \t\t\t\t\t\t\t\tcameraName,\n \t\t\t\t\t\t\t\tstreams);\n \n-\t\tcio2->output_->bufferReady.connect(data.get(),\n-\t\t\t\t\t\t   &IPU3CameraData::bufferReady);\n-\n \t\tregisterCamera(std::move(camera), std::move(data));\n \n \t\tLOG(IPU3, Info)\n@@ -561,7 +576,29 @@ int PipelineHandlerIPU3::registerCameras()\n \treturn numCameras ? 0 : -ENODEV;\n }\n \n-void PipelineHandlerIPU3::IPU3CameraData::bufferReady(Buffer *buffer)\n+/* -----------------------------------------------------------------------------\n+ * Buffer Ready slots\n+ */\n+\n+/**\n+ * \\brief Handle buffers completion at the ImgU input\n+ * \\param buffer The completed buffer\n+ *\n+ * Buffers completed from the ImgU input are immediately queued back to the\n+ * CIO2 unit to continue frame capture.\n+ */\n+void PipelineHandlerIPU3::IPU3CameraData::imguInputBufferReady(Buffer *buffer)\n+{\n+\tcio2_.output_->queueBuffer(buffer);\n+}\n+\n+/**\n+ * \\brief Handle buffers completion at the ImgU output\n+ * \\param buffer The completed buffer\n+ *\n+ * Buffers completed from the ImgU output are directed to the application.\n+ */\n+void PipelineHandlerIPU3::IPU3CameraData::imguOutputBufferReady(Buffer *buffer)\n {\n \tRequest *request = queuedRequests_.front();\n \n@@ -569,6 +606,18 @@ void PipelineHandlerIPU3::IPU3CameraData::bufferReady(Buffer *buffer)\n \tpipe_->completeRequest(camera_, request);\n }\n \n+/**\n+ * \\brief Handle buffers completion at the CIO2 output\n+ * \\param buffer The completed buffer\n+ *\n+ * Buffers completed from the CIO2 are immediately queued to the ImgU unit\n+ * for further processing.\n+ */\n+void PipelineHandlerIPU3::IPU3CameraData::cio2BufferReady(Buffer *buffer)\n+{\n+\timgu_->input_->queueBuffer(buffer);\n+}\n+\n /* -----------------------------------------------------------------------------\n  * ImgU Device\n  */\n",
    "prefixes": [
        "libcamera-devel",
        "v6",
        "09/12"
    ]
}