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{
    "id": 11660,
    "url": "https://patchwork.libcamera.org/api/patches/11660/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/11660/",
    "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": "<20210323122739.680560-4-naush@raspberrypi.com>",
    "date": "2021-03-23T12:27:35",
    "name": "[libcamera-devel,v2,3/7] pipeline: raspberrypi: Conditionally open the embedded data node",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "60ea80ca652a2a76b2bd9b630a1009a581c33cc3",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/11660/mbox/",
    "series": [
        {
            "id": 1821,
            "url": "https://patchwork.libcamera.org/api/series/1821/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1821",
            "date": "2021-03-23T12:27:32",
            "name": "Raspberry Pi: ipa::init() restructuring",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1821/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/11660/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/11660/checks/",
    "tags": {},
    "headers": {
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        "From": "Naushir Patuck <naush@raspberrypi.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 23 Mar 2021 12:27:35 +0000",
        "Message-Id": "<20210323122739.680560-4-naush@raspberrypi.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "In-Reply-To": "<20210323122739.680560-1-naush@raspberrypi.com>",
        "References": "<20210323122739.680560-1-naush@raspberrypi.com>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2 3/7] pipeline: raspberrypi:\n\tConditionally open the embedded data node",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
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        "List-Id": "<libcamera-devel.lists.libcamera.org>",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Conditionally open the embedded data node in pipeline_handler::match()\nbased on whether the ipa::init() result reports if the sensor supports\nembedded data or not.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nTested-by: David Plowman <david.plowman@raspberrypi.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n .../pipeline/raspberrypi/raspberrypi.cpp      | 57 +++++++------------\n 1 file changed, 21 insertions(+), 36 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\nindex ce1994186d66..4a3f7cbe3065 100644\n--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n@@ -138,7 +138,7 @@ class RPiCameraData : public CameraData\n {\n public:\n \tRPiCameraData(PipelineHandler *pipe)\n-\t\t: CameraData(pipe), embeddedNodeOpened_(false), state_(State::Stopped),\n+\t\t: CameraData(pipe), state_(State::Stopped),\n \t\t  supportsFlips_(false), flipsAlterBayerOrder_(false),\n \t\t  updateScalerCrop_(true), dropFrameCount_(0), ispOutputCount_(0)\n \t{\n@@ -183,7 +183,6 @@ public:\n \n \tstd::unique_ptr<DelayedControls> delayedCtrls_;\n \tbool sensorMetadata_;\n-\tbool embeddedNodeOpened_;\n \n \t/*\n \t * All the functions in this class are called from a single calling\n@@ -749,19 +748,13 @@ int PipelineHandlerRPi::configure(Camera *camera, CameraConfiguration *config)\n \t\tLOG(RPI, Error) << \"Failed to configure the IPA: \" << ret;\n \n \t/*\n-\t * The IPA will set data->sensorMetadata_ to true if embedded data is\n-\t * supported on this sensor. If so, open the Unicam embedded data\n-\t * node and configure the output format.\n+\t * Configure the Unicam embedded data output format only if the sensor\n+\t * supports it.\n \t */\n \tif (data->sensorMetadata_) {\n \t\tformat = {};\n \t\tformat.fourcc = V4L2PixelFormat(V4L2_META_FMT_SENSOR_DATA);\n \n-\t\tif (!data->embeddedNodeOpened_) {\n-\t\t\tdata->unicam_[Unicam::Embedded].dev()->open();\n-\t\t\tdata->embeddedNodeOpened_ = true;\n-\t\t}\n-\n \t\tLOG(RPI, Debug) << \"Setting embedded data format.\";\n \t\tret = data->unicam_[Unicam::Embedded].dev()->setFormat(&format);\n \t\tif (ret) {\n@@ -778,14 +771,6 @@ int PipelineHandlerRPi::configure(Camera *camera, CameraConfiguration *config)\n \t\t */\n \t\tif (rawStream)\n \t\t\tdata->unicam_[Unicam::Embedded].setExternal(true);\n-\t} else {\n-\t\t/*\n-\t\t * No embedded data present, so we do not want to iterate over\n-\t\t * the embedded data stream when starting and stopping.\n-\t\t */\n-\t\tdata->streams_.erase(std::remove(data->streams_.begin(), data->streams_.end(),\n-\t\t\t\t\t\t &data->unicam_[Unicam::Embedded]),\n-\t\t\t\t     data->streams_.end());\n \t}\n \n \t/*\n@@ -989,24 +974,6 @@ bool PipelineHandlerRPi::match(DeviceEnumerator *enumerator)\n \tdata->isp_[Isp::Output1] = RPi::Stream(\"ISP Output1\", isp_->getEntityByName(\"bcm2835-isp0-capture2\"));\n \tdata->isp_[Isp::Stats] = RPi::Stream(\"ISP Stats\", isp_->getEntityByName(\"bcm2835-isp0-capture3\"));\n \n-\t/* This is just for convenience so that we can easily iterate over all streams. */\n-\tfor (auto &stream : data->unicam_)\n-\t\tdata->streams_.push_back(&stream);\n-\tfor (auto &stream : data->isp_)\n-\t\tdata->streams_.push_back(&stream);\n-\n-\t/*\n-\t * Open all Unicam and ISP streams. The exception is the embedded data\n-\t * stream, which only gets opened if the IPA reports that the sensor\n-\t * supports embedded data. This happens in RPiCameraData::configureIPA().\n-\t */\n-\tfor (auto const stream : data->streams_) {\n-\t\tif (stream != &data->unicam_[Unicam::Embedded]) {\n-\t\t\tif (stream->dev()->open())\n-\t\t\t\treturn false;\n-\t\t}\n-\t}\n-\n \t/* Wire up all the buffer connections. */\n \tdata->unicam_[Unicam::Image].dev()->frameStart.connect(data.get(), &RPiCameraData::frameStarted);\n \tdata->unicam_[Unicam::Image].dev()->bufferReady.connect(data.get(), &RPiCameraData::unicamBufferDequeue);\n@@ -1036,6 +1003,24 @@ bool PipelineHandlerRPi::match(DeviceEnumerator *enumerator)\n \t\treturn false;\n \t}\n \n+\t/*\n+\t * Open all Unicam and ISP streams. The exception is the embedded data\n+\t * stream, which only gets opened below if the IPA reports that the sensor\n+\t * supports embedded data.\n+\t *\n+\t * The below grouping is just for convenience so that we can easily\n+\t * iterate over all streams in one go.\n+\t */\n+\tdata->streams_.push_back(&data->unicam_[Unicam::Image]);\n+\tif (sensorConfig.sensorMetadata)\n+\t\tdata->streams_.push_back(&data->unicam_[Unicam::Embedded]);\n+\n+\tfor (auto &stream : data->isp_) {\n+\t\tdata->streams_.push_back(&stream);\n+\t\tif (stream.dev()->open())\n+\t\t\treturn false;\n+\t}\n+\n \t/*\n \t * Setup our delayed control writer with the sensor default\n \t * gain and exposure delays. Mark VBLANK for priority write.\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "3/7"
    ]
}