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{
    "id": 23722,
    "url": "https://patchwork.libcamera.org/api/patches/23722/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/23722/",
    "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": "",
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    },
    "msgid": "<20250702131032.47654-7-mzamazal@redhat.com>",
    "date": "2025-07-02T13:10:25",
    "name": "[v12,06/12] config: Look up pipelines match list in configuration file",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "7a9d242f3b0ca41307ab1858b9de7f3488cb6bdf",
    "submitter": {
        "id": 177,
        "url": "https://patchwork.libcamera.org/api/people/177/?format=api",
        "name": "Milan Zamazal",
        "email": "mzamazal@redhat.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/23722/mbox/",
    "series": [
        {
            "id": 5265,
            "url": "https://patchwork.libcamera.org/api/series/5265/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5265",
            "date": "2025-07-02T13:10:19",
            "name": "Add global configuration file",
            "version": 12,
            "mbox": "https://patchwork.libcamera.org/series/5265/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/23722/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/23722/checks/",
    "tags": {},
    "headers": {
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        "X-Mimecast-MFC-AGG-ID": "wbJLoy3lN_iNmdpxnw9EAQ_1751461853",
        "From": "Milan Zamazal <mzamazal@redhat.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Milan Zamazal <mzamazal@redhat.com>, Kieran Bingham\n\t<kieran.bingham@ideasonboard.com>, =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?=\n\t<barnabas.pocze@ideasonboard.com>, Laurent Pinchart\n\t<laurent.pinchart@ideasonboard.com>",
        "Subject": "[PATCH v12 06/12] config: Look up pipelines match list in\n\tconfiguration file",
        "Date": "Wed,  2 Jul 2025 15:10:25 +0200",
        "Message-ID": "<20250702131032.47654-7-mzamazal@redhat.com>",
        "In-Reply-To": "<20250702131032.47654-1-mzamazal@redhat.com>",
        "References": "<20250702131032.47654-1-mzamazal@redhat.com>",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Let's add a configuration file item for the pipelines match list.\n\nThe configuration snippet:\n\n  configuration:\n    pipelines_match_list: rkisp1,simple\n\nSigned-off-by: Milan Zamazal <mzamazal@redhat.com>\n---\n include/libcamera/internal/global_configuration.h |  3 ++-\n src/libcamera/camera_manager.cpp                  | 10 ++++++----\n src/libcamera/global_configuration.cpp            |  6 ++++--\n 3 files changed, 12 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/include/libcamera/internal/global_configuration.h b/include/libcamera/internal/global_configuration.h\nindex b9f6d134a..d1751ee7c 100644\n--- a/include/libcamera/internal/global_configuration.h\n+++ b/include/libcamera/internal/global_configuration.h\n@@ -48,7 +48,8 @@ public:\n \t\tconst std::initializer_list<std::string_view> confPath) const;\n \tstd::optional<std::vector<std::string>> envListOption(\n \t\tconst char *const envVariable,\n-\t\tconst std::initializer_list<std::string_view> confPath) const;\n+\t\tconst std::initializer_list<std::string_view> confPath,\n+\t\tconst std::string delimiter = \":\") const;\n \n private:\n \tbool loadFile(const std::filesystem::path &fileName);\ndiff --git a/src/libcamera/camera_manager.cpp b/src/libcamera/camera_manager.cpp\nindex c47fd3677..8123ae9e3 100644\n--- a/src/libcamera/camera_manager.cpp\n+++ b/src/libcamera/camera_manager.cpp\n@@ -111,14 +111,16 @@ void CameraManager::Private::createPipelineHandlers()\n \t * file and only fallback on environment variable or all handlers, if\n \t * there is no configuration file.\n \t */\n-\tconst char *pipesList =\n-\t\tutils::secure_getenv(\"LIBCAMERA_PIPELINES_MATCH_LIST\");\n-\tif (pipesList) {\n+\tconst auto pipesList =\n+\t\tconfiguration().envListOption(\"LIBCAMERA_PIPELINES_MATCH_LIST\",\n+\t\t\t\t\t      { \"pipelines_match_list\" },\n+\t\t\t\t\t      \",\");\n+\tif (pipesList.has_value()) {\n \t\t/*\n \t\t * When a list of preferred pipelines is defined, iterate\n \t\t * through the ordered list to match the enumerated devices.\n \t\t */\n-\t\tfor (const auto &pipeName : utils::split(pipesList, \",\")) {\n+\t\tfor (const auto &pipeName : pipesList.value()) {\n \t\t\tconst PipelineHandlerFactoryBase *factory;\n \t\t\tfactory = PipelineHandlerFactoryBase::getFactoryByName(pipeName);\n \t\t\tif (!factory)\ndiff --git a/src/libcamera/global_configuration.cpp b/src/libcamera/global_configuration.cpp\nindex cb01eff22..2ac6191dc 100644\n--- a/src/libcamera/global_configuration.cpp\n+++ b/src/libcamera/global_configuration.cpp\n@@ -176,6 +176,7 @@ std::optional<std::string> GlobalConfiguration::envOption(\n  * \\brief Return values of the configuration option from a file or environment\n  * \\param[in] envVariable Environment variable to get the value from\n  * \\param[in] confPath The same as in GlobalConfiguration::option\n+ * \\param[in] delimiter Items separator in the environment variable\n  *\n  * This helper looks first at the given environment variable and if it is\n  * defined (even if it is empty) then it splits its value by semicolons and\n@@ -192,11 +193,12 @@ std::optional<std::string> GlobalConfiguration::envOption(\n  */\n std::optional<std::vector<std::string>> GlobalConfiguration::envListOption(\n \tconst char *const envVariable,\n-\tconst std::initializer_list<std::string_view> confPath) const\n+\tconst std::initializer_list<std::string_view> confPath,\n+\tconst std::string delimiter) const\n {\n \tconst char *envValue = utils::secure_getenv(envVariable);\n \tif (envValue) {\n-\t\tauto items = utils::split(envValue, \":\");\n+\t\tauto items = utils::split(envValue, delimiter);\n \t\treturn std::vector<std::string>(items.begin(), items.end());\n \t}\n \treturn listOption(confPath);\n",
    "prefixes": [
        "v12",
        "06/12"
    ]
}