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ipa: rpi: Replace dropFrameCount in the IPA -> PH interface

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Replace the dropFrameCount parameter returned from ipa::start() to the
pipeline handler by startupFrameCount and invalidFrameCount. The former
counts the number of frames required for AWB/AGC to converge, and the
latter counts the number of invalid frames produced by the sensor when
starting up.

In the pipeline handler, use the sum of these 2 values to replicate the
existing dropFrameCount behaviour.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2025-06-06 11:55:20 +01:00 • committed by Kieran Bingham
parent c50eb1f04a
commit b114c155a7
3 changed files with 12 additions and 9 deletions
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3
include/libcamera/ipa/raspberrypi.mojom
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@ -52,7 +52,8 @@ struct ConfigResult {
struct StartResult {
libcamera.ControlList controls;
int32 dropFrameCount;
int32 startupFrameCount;
int32 invalidFrameCount;
};
struct PrepareParams {