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authorNiklas Söderlund <niklas.soderlund@ragnatech.se>2019-03-27 20:49:11 +0100
committerNiklas Söderlund <niklas.soderlund@ragnatech.se>2019-04-05 22:07:47 +0200
commit20a6455e0b62575bb00136501f7f39f3e150d0d9 (patch)
tree9a82eb4191c5bcfe7bcaa75a852c1b7100c71950 /test/v4l2_device/double_open.cpp
parent70e53be538984739d500ef641c262e79affdeac4 (diff)
libcamera: camera: Add support for stream usages
Instead of requesting the default configuration for a set of streams where the application has to figure out which streams provided by the camera is best suited for its intended usage, have the library figure this out by using stream usages. The application asks the library for a list of streams and a suggested default configuration for them by supplying a list of stream usages. Once the list is retrieved the application can fine-tune the returned configuration and then try to apply it to the camera. Currently no pipeline handler is prepared to handle stream usages but nor did it make use of the list of Stream IDs which was the previous interface. The main reason for this is that all cameras currently only provide one stream each. This will still be the case but the API will be prepared to expand both pipeline handlers and applications to support streams usages. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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