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{
    "id": 1320,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/1320/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/1320/",
    "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": "<20190527223540.21855-3-paul.elder@ideasonboard.com>",
    "date": "2019-05-27T22:35:34",
    "name": "[libcamera-devel,2/8] libcamera: pipeline: add name, major version, and minor version",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "2fcc416188a8f9553f0da50c92a7ba84d5faca6e",
    "submitter": {
        "id": 17,
        "url": "https://patchwork.libcamera.org/api/1.1/people/17/?format=api",
        "name": "Paul Elder",
        "email": "paul.elder@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/1320/mbox/",
    "series": [
        {
            "id": 330,
            "url": "https://patchwork.libcamera.org/api/1.1/series/330/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=330",
            "date": "2019-05-27T22:35:32",
            "name": "Add IPAManager and IPAInterface",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/330/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/1320/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/1320/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<paul.elder@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0D25A60E47\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 28 May 2019 00:35:49 +0200 (CEST)",
            "from localhost.localdomain (unknown [96.44.9.117])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 596F5D85;\n\tTue, 28 May 2019 00:35:48 +0200 (CEST)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1558996548;\n\tbh=u6oPlq3xg+eYiuGUReIHLLWPjGZ0xy7YeOBDiBWA/l0=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=LX/34vf+BWiIjfEZzCx+Yul9JNBvVLRytEEZsqikLI4g+HP/R6EDZziXYDuw5Q1sL\n\tTHf9vBcadScF/MK2XcnKDuOVZO+5qIeOQ8kwnxqWBUlqaB5++a2/X0S9gh5nqCxcHu\n\tZzPULcUlcLohK5pQG53NPIfbGykwT7QXLGN43a5k=",
        "From": "Paul Elder <paul.elder@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 27 May 2019 18:35:34 -0400",
        "Message-Id": "<20190527223540.21855-3-paul.elder@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.20.1",
        "In-Reply-To": "<20190527223540.21855-1-paul.elder@ideasonboard.com>",
        "References": "<20190527223540.21855-1-paul.elder@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel]  [PATCH 2/8] libcamera: pipeline: add name,\n\tmajor version, and minor version",
        "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": "Mon, 27 May 2019 22:35:49 -0000"
    },
    "content": "In order to match an IPA module with a pipeline handler, the pipeline\nhandler must have a name and a major and minor version. Add these to\nPipelineHandler as functions, so that they can be automatically defined\nby REGISTER_PIPELINE_HANDLER. Also update documentation accordingly.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n---\n src/libcamera/include/pipeline_handler.h | 20 ++++++++++++++++++--\n src/libcamera/pipeline/ipu3/ipu3.cpp     |  6 +++++-\n src/libcamera/pipeline/rkisp1/rkisp1.cpp |  6 +++++-\n src/libcamera/pipeline/uvcvideo.cpp      |  6 +++++-\n src/libcamera/pipeline/vimc.cpp          |  6 +++++-\n src/libcamera/pipeline_handler.cpp       | 20 ++++++++++++++++++++\n 6 files changed, 58 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/src/libcamera/include/pipeline_handler.h b/src/libcamera/include/pipeline_handler.h\nindex 7da6df1..7963e7a 100644\n--- a/src/libcamera/include/pipeline_handler.h\n+++ b/src/libcamera/include/pipeline_handler.h\n@@ -77,6 +77,10 @@ public:\n \tbool completeBuffer(Camera *camera, Request *request, Buffer *buffer);\n \tvoid completeRequest(Camera *camera, Request *request);\n \n+\tvirtual const char *name() = 0;\n+\tvirtual int majorVersion() = 0;\n+\tvirtual int minorVersion() = 0;\n+\n protected:\n \tvoid registerCamera(std::shared_ptr<Camera> camera,\n \t\t\t    std::unique_ptr<CameraData> data);\n@@ -112,7 +116,7 @@ private:\n \tstd::string name_;\n };\n \n-#define REGISTER_PIPELINE_HANDLER(handler)\t\t\t\t\\\n+#define REGISTER_PIPELINE_HANDLER(handler, majorV, minorV)\t\t\\\n class handler##Factory final : public PipelineHandlerFactory\t\t\\\n {\t\t\t\t\t\t\t\t\t\\\n public:\t\t\t\t\t\t\t\t\t\\\n@@ -122,7 +126,19 @@ public:\t\t\t\t\t\t\t\t\t\\\n \t\treturn std::make_shared<handler>(manager);\t\t\\\n \t}\t\t\t\t\t\t\t\t\\\n };\t\t\t\t\t\t\t\t\t\\\n-static handler##Factory global_##handler##Factory;\n+static handler##Factory global_##handler##Factory;\t\t\t\\\n+const char *handler::name()\t\t\t\t\t\t\\\n+{\t\t\t\t\t\t\t\t\t\\\n+\treturn #handler;\t\t\t\t\t\t\\\n+}\t\t\t\t\t\t\t\t\t\\\n+int handler::majorVersion()\t\t\t\t\t\t\\\n+{\t\t\t\t\t\t\t\t\t\\\n+\treturn majorV;\t\t\t\t\t\t\t\\\n+}\t\t\t\t\t\t\t\t\t\\\n+int handler::minorVersion()\t\t\t\t\t\t\\\n+{\t\t\t\t\t\t\t\t\t\\\n+\treturn minorV;\t\t\t\t\t\t\t\\\n+}\n \n } /* namespace libcamera */\n \ndiff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 05005c4..a1b06fe 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -212,6 +212,10 @@ public:\n \n \tbool match(DeviceEnumerator *enumerator) override;\n \n+\tconst char *name() override;\n+\tint majorVersion() override;\n+\tint minorVersion() override;\n+\n private:\n \tIPU3CameraData *cameraData(const Camera *camera)\n \t{\n@@ -1452,6 +1456,6 @@ int CIO2Device::mediaBusToFormat(unsigned int code)\n \t}\n }\n \n-REGISTER_PIPELINE_HANDLER(PipelineHandlerIPU3);\n+REGISTER_PIPELINE_HANDLER(PipelineHandlerIPU3, 0, 1);\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\nindex 9b3eea2..7042e7f 100644\n--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n@@ -92,6 +92,10 @@ public:\n \n \tbool match(DeviceEnumerator *enumerator) override;\n \n+\tconst char *name() override;\n+\tint majorVersion() override;\n+\tint minorVersion() override;\n+\n private:\n \tRkISP1CameraData *cameraData(const Camera *camera)\n \t{\n@@ -499,6 +503,6 @@ void PipelineHandlerRkISP1::bufferReady(Buffer *buffer)\n \tcompleteRequest(activeCamera_, request);\n }\n \n-REGISTER_PIPELINE_HANDLER(PipelineHandlerRkISP1);\n+REGISTER_PIPELINE_HANDLER(PipelineHandlerRkISP1, 0, 1);\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/pipeline/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo.cpp\nindex 45260f3..27c731e 100644\n--- a/src/libcamera/pipeline/uvcvideo.cpp\n+++ b/src/libcamera/pipeline/uvcvideo.cpp\n@@ -68,6 +68,10 @@ public:\n \n \tbool match(DeviceEnumerator *enumerator) override;\n \n+\tconst char *name() override;\n+\tint majorVersion() override;\n+\tint minorVersion() override;\n+\n private:\n \tUVCCameraData *cameraData(const Camera *camera)\n \t{\n@@ -263,6 +267,6 @@ void UVCCameraData::bufferReady(Buffer *buffer)\n \tpipe_->completeRequest(camera_, request);\n }\n \n-REGISTER_PIPELINE_HANDLER(PipelineHandlerUVC);\n+REGISTER_PIPELINE_HANDLER(PipelineHandlerUVC, 0, 1);\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/pipeline/vimc.cpp b/src/libcamera/pipeline/vimc.cpp\nindex 0e4eede..d3ff527 100644\n--- a/src/libcamera/pipeline/vimc.cpp\n+++ b/src/libcamera/pipeline/vimc.cpp\n@@ -71,6 +71,10 @@ public:\n \n \tbool match(DeviceEnumerator *enumerator) override;\n \n+\tconst char *name() override;\n+\tint majorVersion() override;\n+\tint minorVersion() override;\n+\n private:\n \tVimcCameraData *cameraData(const Camera *camera)\n \t{\n@@ -274,6 +278,6 @@ void VimcCameraData::bufferReady(Buffer *buffer)\n \tpipe_->completeRequest(camera_, request);\n }\n \n-REGISTER_PIPELINE_HANDLER(PipelineHandlerVimc);\n+REGISTER_PIPELINE_HANDLER(PipelineHandlerVimc, 0, 1);\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp\nindex dd56907..8f83307 100644\n--- a/src/libcamera/pipeline_handler.cpp\n+++ b/src/libcamera/pipeline_handler.cpp\n@@ -505,6 +505,24 @@ CameraData *PipelineHandler::cameraData(const Camera *camera)\n  * constant for the whole lifetime of the pipeline handler.\n  */\n \n+/**\n+ * \\fn PipelineHandler::name()\n+ * \\brief Retrieve the pipeline handler name\n+ * \\return The pipeline handler name\n+ */\n+\n+/**\n+ * \\fn PipelineHandler::majorVersion()\n+ * \\brief Retrieve the pipeline handler major version\n+ * \\return The pipeline handler major version\n+ */\n+\n+/**\n+ * \\fn PipelineHandler::minorVersion()\n+ * \\brief Retrieve the pipeline handler minor version\n+ * \\return The pipeline handler minor version\n+ */\n+\n /**\n  * \\class PipelineHandlerFactory\n  * \\brief Registration of PipelineHandler classes and creation of instances\n@@ -586,6 +604,8 @@ std::vector<PipelineHandlerFactory *> &PipelineHandlerFactory::factories()\n  * \\def REGISTER_PIPELINE_HANDLER\n  * \\brief Register a pipeline handler with the pipeline handler factory\n  * \\param[in] handler Class name of PipelineHandler derived class to register\n+ * \\param[in] majorV Major version of the PipelineHandler\n+ * \\param[in] minorV Minor version of the PipelineHandler\n  *\n  * Register a PipelineHandler subclass with the factory and make it available to\n  * try and match devices.\n",
    "prefixes": [
        "libcamera-devel",
        "2/8"
    ]
}