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pipeline: raspberrypi: Add a Unicam dequeue timeout

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Enable the V4L2VideoDevice dequeue timeout for the Unicam Image node, and
connect the timeout signal to a slot in the pipeline handler. This slot will
log an error message informing the user of a possible hardware stall.

The timeout is calculated as 2x the maximum frame length possible for a given
mode, returned by the IPA.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2022-04-06 13:35:53 +01:00 • committed by Laurent Pinchart
parent 16f3d2de50
commit 04faa8477a
3 changed files with 22 additions and 0 deletions
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include/libcamera/ipa/raspberrypi.mojom
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@ -41,6 +41,7 @@ struct IPAConfig {
struct StartConfig {
libcamera.ControlList controls;
int32 dropFrameCount;
uint32 maxSensorFrameLengthMs;
};
interface IPARPiInterface {