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{
    "id": 754,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/754/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/754/",
    "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": "<20190320163055.22056-9-jacopo@jmondi.org>",
    "date": "2019-03-20T16:30:32",
    "name": "[libcamera-devel,v4,08/31] libcamera: ipu3: Implement camera start/stop",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "00ad4aef2ba1757a9f986901e0b1693f589a9f3a",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/754/mbox/",
    "series": [
        {
            "id": 214,
            "url": "https://patchwork.libcamera.org/api/1.1/series/214/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=214",
            "date": "2019-03-20T16:30:24",
            "name": "libcamera: ipu3: Add ImgU support + multiple streams",
            "version": 4,
            "mbox": "https://patchwork.libcamera.org/series/214/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/754/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/754/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<jacopo@jmondi.org>",
        "Received": [
            "from relay12.mail.gandi.net (relay12.mail.gandi.net\n\t[217.70.178.232])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1FA3F611B4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 20 Mar 2019 17:30:33 +0100 (CET)",
            "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay12.mail.gandi.net (Postfix) with ESMTPSA id B04D8200008;\n\tWed, 20 Mar 2019 16:30:32 +0000 (UTC)"
        ],
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Wed, 20 Mar 2019 17:30:32 +0100",
        "Message-Id": "<20190320163055.22056-9-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.21.0",
        "In-Reply-To": "<20190320163055.22056-1-jacopo@jmondi.org>",
        "References": "<20190320163055.22056-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v4 08/31] libcamera: ipu3: Implement\n\tcamera start/stop",
        "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": "Wed, 20 Mar 2019 16:30:33 -0000"
    },
    "content": "Start and stop video devices in the pipeline.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 54 ++++++++++++++++++++++++----\n 1 file changed, 48 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 2975c218f6c9..994c95692dd4 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -334,12 +334,52 @@ int PipelineHandlerIPU3::freeBuffers(Camera *camera, Stream *stream)\n int PipelineHandlerIPU3::start(Camera *camera)\n {\n \tIPU3CameraData *data = cameraData(camera);\n-\tV4L2Device *cio2 = data->cio2.output;\n \tint ret;\n \n-\tret = cio2->streamOn();\n+\t/*\n+\t * Enqueue all available buffers to the CIO2 unit to start frame\n+\t * capture. Start ImgU video devices and queue buffers to the output\n+\t * ones at queueRequest() time.\n+\t */\n+\tfor (Buffer &buffer : data->cio2.pool.buffers()) {\n+\t\tret = data->cio2.output->queueBuffer(&buffer);\n+\t\tif (ret)\n+\t\t\treturn ret;\n+\t}\n+\n+\tret = data->cio2.output->streamOn();\n \tif (ret) {\n-\t\tLOG(IPU3, Info) << \"Failed to start camera \" << camera->name();\n+\t\tLOG(IPU3, Error) << \"Failed to start CIO2\";\n+\t\tstop(camera);\n+\t\treturn ret;\n+\t}\n+\n+\t/* Start the ImgU video devices. */\n+\tret = data->imgu->output->streamOn();\n+\tif (ret) {\n+\t\tLOG(IPU3, Error) << \"Failed to start ImgU output\";\n+\t\tstop(camera);\n+\t\treturn ret;\n+\t}\n+\n+\tret = data->imgu->viewfinder->streamOn();\n+\tif (ret) {\n+\t\tLOG(IPU3, Error) << \"Failed to start ImgU viewfinder\";\n+\t\tstop(camera);\n+\t\treturn ret;\n+\t}\n+\n+\tret = data->imgu->stat->streamOn();\n+\tif (ret) {\n+\t\tLOG(IPU3, Error) << \"Failed to start ImgU stat\";\n+\t\tstop(camera);\n+\t\treturn ret;\n+\t}\n+\n+\tret = data->imgu->input->streamOn();\n+\tif (ret) {\n+\t\tLOG(IPU3, Error) << \"Failed to start ImgU input\";\n+\t\tstop(camera);\n \t\treturn ret;\n \t}\n \n@@ -349,10 +389,12 @@ int PipelineHandlerIPU3::start(Camera *camera)\n void PipelineHandlerIPU3::stop(Camera *camera)\n {\n \tIPU3CameraData *data = cameraData(camera);\n-\tV4L2Device *cio2 = data->cio2.output;\n \n-\tif (cio2->streamOff())\n-\t\tLOG(IPU3, Info) << \"Failed to stop camera \" << camera->name();\n+\tdata->cio2.output->streamOff();\n+\tdata->imgu->output->streamOff();\n+\tdata->imgu->viewfinder->streamOff();\n+\tdata->imgu->stat->streamOff();\n+\tdata->imgu->input->streamOff();\n \n \tPipelineHandler::stop(camera);\n }\n",
    "prefixes": [
        "libcamera-devel",
        "v4",
        "08/31"
    ]
}