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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-10-12 05:15:22 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-10-15 05:05:32 +0300
commit411987838ef6c141cc6e0ed2713cb06600855df8 (patch)
tree4e5b456c35025177097254e5a51cbadf996e05c7 /src/v4l2/v4l2_camera.cpp
parent7e2948f5e106e7d3623134fb9f6c59347640c696 (diff)
cam: Drop frames once the capture limit is reached
The camera session keeps requeuing requests until the capture limit is reached. This causes more request than the limit to complete, as there's a queue of requests in flight. When capturing from multiple cameras concurrently, this results in the captureDone signal being emitted for every request completion after the limit is reached, instead of once per camera session when reaching the limit. Fix this by simply dropping any request that completes after the limit is reached. We could instead avoid requeuing more requests than needed to reach the limit, but that may cause request starvation in pipelines, which are currently not handled consistently (or correctly). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/v4l2/v4l2_camera.cpp')
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