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{
    "id": 18982,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/18982/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/18982/",
    "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": "<20230910175027.23384-4-andrey.konovalov@linaro.org>",
    "date": "2023-09-10T17:50:27",
    "name": "[libcamera-devel,RFC,3/3] libcamera: pipeline: simple: add software converter support",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "ace4af1cbf5623ce978ef42ab67b1ec429b9bca4",
    "submitter": {
        "id": 25,
        "url": "https://patchwork.libcamera.org/api/1.1/people/25/?format=api",
        "name": "Andrey Konovalov",
        "email": "andrey.konovalov@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/18982/mbox/",
    "series": [
        {
            "id": 4014,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4014/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4014",
            "date": "2023-09-10T17:50:24",
            "name": "libcamera: converter: generalize Converter to remove MediaDevice dependency",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4014/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/18982/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/18982/checks/",
    "tags": {},
    "headers": {
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Sun, 10 Sep 2023 20:50:27 +0300",
        "Message-Id": "<20230910175027.23384-4-andrey.konovalov@linaro.org>",
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        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [RFC PATCH 3/3] libcamera: pipeline: simple: add\n\tsoftware converter support",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Andrey Konovalov via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Andrey Konovalov <andrey.konovalov@linaro.org>",
        "Cc": "jacopo.mondi@ideasonboard.com, bryan.odonoghue@linaro.org,\n\tsrinivas.kandagatla@linaro.org",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>\n---\n src/libcamera/pipeline/simple/simple.cpp | 34 +++++++++++++++++-------\n 1 file changed, 25 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex f0622a74..ee9b672c 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -37,6 +37,7 @@\n #include \"libcamera/internal/v4l2_subdevice.h\"\n #include \"libcamera/internal/v4l2_videodevice.h\"\n \n+#include \"libcamera/internal/converter/converter_softw.h\"\n \n namespace libcamera {\n \n@@ -185,17 +186,21 @@ struct SimplePipelineInfo {\n \t * and the number of streams it supports.\n \t */\n \tstd::vector<std::pair<const char *, unsigned int>> converters;\n+\t/*\n+\t * Nonzero value enables creating software converter\n+\t */\n+\tbool enable_sw_converter;\n };\n \n namespace {\n \n static const SimplePipelineInfo supportedDevices[] = {\n-\t{ \"dcmipp\", {} },\n-\t{ \"imx7-csi\", { { \"pxp\", 1 } } },\n-\t{ \"j721e-csi2rx\", {} },\n-\t{ \"mxc-isi\", {} },\n-\t{ \"qcom-camss\", {} },\n-\t{ \"sun6i-csi\", {} },\n+\t{ \"dcmipp\", {}, false },\n+\t{ \"imx7-csi\", { { \"pxp\", 1 } }, false },\n+\t{ \"j721e-csi2rx\", {}, false },\n+\t{ \"mxc-isi\", {}, false },\n+\t{ \"qcom-camss\", {}, true },\n+\t{ \"sun6i-csi\", {}, false },\n };\n \n } /* namespace */\n@@ -331,6 +336,7 @@ public:\n \tV4L2VideoDevice *video(const MediaEntity *entity);\n \tV4L2Subdevice *subdev(const MediaEntity *entity);\n \tMediaDevice *converter() { return converter_; }\n+\tbool sw_converter_enabled() { return enable_sw_converter_; }\n \n protected:\n \tint queueRequestDevice(Camera *camera, Request *request) override;\n@@ -359,6 +365,8 @@ private:\n \tstd::map<const MediaEntity *, EntityData> entities_;\n \n \tMediaDevice *converter_;\n+\n+\tbool enable_sw_converter_;\n };\n \n /* -----------------------------------------------------------------------------\n@@ -495,6 +503,7 @@ int SimpleCameraData::init()\n \tint ret;\n \n \t/* Open the converter, if any. */\n+\tconverter_ = nullptr;\n \tMediaDevice *converter = pipe->converter();\n \tif (converter) {\n \t\tconverter_ = ConverterMDFactoryBase::create(converter);\n@@ -502,11 +511,16 @@ int SimpleCameraData::init()\n \t\t\tLOG(SimplePipeline, Warning)\n \t\t\t\t<< \"Failed to create converter, disabling format conversion\";\n \t\t\tconverter_.reset();\n-\t\t} else {\n-\t\t\tconverter_->inputBufferReady.connect(this, &SimpleCameraData::converterInputDone);\n-\t\t\tconverter_->outputBufferReady.connect(this, &SimpleCameraData::converterOutputDone);\n \t\t}\n \t}\n+\t/* Don't create sw converter if media device converter is created. */\n+\tif (!converter_ && pipe->sw_converter_enabled()) {\n+\t\tconverter_ = std::make_unique<SwConverter>();\n+\t}\n+\tif (converter_) {\n+\t\tconverter_->inputBufferReady.connect(this, &SimpleCameraData::converterInputDone);\n+\t\tconverter_->outputBufferReady.connect(this, &SimpleCameraData::converterOutputDone);\n+\t}\n \n \tvideo_ = pipe->video(entities_.back().entity);\n \tASSERT(video_);\n@@ -1418,6 +1432,8 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)\n \t\t}\n \t}\n \n+\tenable_sw_converter_ = info->enable_sw_converter;\n+\n \t/* Locate the sensors. */\n \tstd::vector<MediaEntity *> sensors = locateSensors();\n \tif (sensors.empty()) {\n",
    "prefixes": [
        "libcamera-devel",
        "RFC",
        "3/3"
    ]
}