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authorJulien Vuillaumier <julien.vuillaumier@nxp.com>2024-05-03 16:49:19 +0200
committerKieran Bingham <kieran.bingham@ideasonboard.com>2024-05-14 23:22:55 +0100
commitd258025da7d7d555f9aa11dba700cf52409b6759 (patch)
treeb6da8dc1965f3649fc457e7165d17f6abd09c270 /Documentation/environment_variables.rst
parent353ccef1437df142059da12dd154e426ce5464ee (diff)
libcamera: camera_manager: Add environment variable to order pipelines match
To match the enumerated media devices, each registered pipeline handler is used in no specific order. It is a limitation when several pipelines can match the devices, and user has to select a specific pipeline. For this purpose, environment variable LIBCAMERA_PIPELINES_MATCH_LIST is created to give the option to define an ordered list of pipelines to match on. LIBCAMERA_PIPELINES_MATCH_LIST="<name1>[,<name2>[,<name3>...]]]" Example: LIBCAMERA_PIPELINES_MATCH_LIST="rkisp1,simple" Signed-off-by: Julien Vuillaumier <julien.vuillaumier@nxp.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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diff --git a/Documentation/environment_variables.rst b/Documentation/environment_variables.rst
index a9b230bc..4e9fbb27 100644
--- a/Documentation/environment_variables.rst
+++ b/Documentation/environment_variables.rst
@@ -37,6 +37,14 @@ LIBCAMERA_IPA_MODULE_PATH
Example value: ``${HOME}/.libcamera/lib:/opt/libcamera/vendor/lib``
+LIBCAMERA_PIPELINES_MATCH_LIST
+ Define an ordered list of pipeline names to be used to match the media
+ devices in the system. The pipeline handler names used to populate the
+ variable are the ones passed to the REGISTER_PIPELINE_HANDLER() macro in the
+ source code.
+
+ Example value: ``rkisp1,simple``
+
LIBCAMERA_RPI_CONFIG_FILE
Define a custom configuration file to use in the Raspberry Pi pipeline handler.