PawletOS/external_libcamera
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2 Commits

Author SHA1 Message Date
Paul Elder
278cdfd865 libcamera: clock_recovery: Use nanoseconds in addSample() 
FrameWallClock was recently changed to nanoseconds, and all users of
ClockRecovery use SensorTimestamp directly, which is also in
nanoseconds. Thus addSample() should also use nanoseconds. Fix this.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
 2025-09-01 12:43:42 +01:00
David Plowman
2a4e347dfe libcamera: Add ClockRecovery class to generate wallclock timestamps 
The ClockRecovery class takes pairs of timestamps from two different
clocks, and models the second ("output") clock from the first ("input")
clock.

We can use it, in particular, to get a good wallclock estimate for a
frame's SensorTimestamp.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
 2025-06-19 11:12:26 +01:00