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libcamera: camera_manager: Add environment variable to order pipelines match

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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>
This commit is contained in:
Julien Vuillaumier 2024-05-03 16:49:19 +02:00 • committed by Kieran Bingham
parent 353ccef143
commit d258025da7
3 changed files with 50 additions and 12 deletions
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1
include/libcamera/internal/camera_manager.h
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@ -44,6 +44,7 @@ protected:
private:
int init();
void createPipelineHandlers();
void pipelineFactoryMatch(const PipelineHandlerFactoryBase *factory);
void cleanup() LIBCAMERA_TSA_EXCLUDES(mutex_);
/*