diff options
| author | Naushir Patuck <naush@raspberrypi.com> | 2020-06-26 11:25:31 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-07-06 17:14:34 +0300 |
| commit | e0c583871da9cc6d243bff26ef5ba224007fc5ed (patch) | |
| tree | bdb81beae525b1794346dca2ef49ed6c23f12ef7 | |
| parent | 64652e26d7dbae24ab90a1a4bed19b733985fcf7 (diff) | |
libcamera: ipa: raspberrypi: Populate focus FoM from the ISP statistics
Switch FocusStatus::num to unsigned int for convenience.
Fill in libcamera::controls::FocusFoM with the average of the middle two
regions (across a 4x3 grid) FoM statistics from the ISP.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | src/ipa/raspberrypi/controller/focus_status.h | 2 | ||||
| -rw-r--r-- | src/ipa/raspberrypi/raspberrypi.cpp | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/src/ipa/raspberrypi/controller/focus_status.h b/src/ipa/raspberrypi/controller/focus_status.h index 3ad88777..ace2fe2c 100644 --- a/src/ipa/raspberrypi/controller/focus_status.h +++ b/src/ipa/raspberrypi/controller/focus_status.h @@ -17,7 +17,7 @@ extern "C" { #endif struct FocusStatus { - int num; + unsigned int num; uint32_t focus_measures[FOCUS_REGIONS]; }; diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp index 62730198..b1f27861 100644 --- a/src/ipa/raspberrypi/raspberrypi.cpp +++ b/src/ipa/raspberrypi/raspberrypi.cpp @@ -42,6 +42,7 @@ #include "contrast_status.h" #include "controller.hpp" #include "dpc_status.h" +#include "focus_status.h" #include "geq_status.h" #include "lux_status.h" #include "metadata.hpp" @@ -405,6 +406,17 @@ void IPARPi::reportMetadata() static_cast<int32_t>(blackLevelStatus->black_level_g), static_cast<int32_t>(blackLevelStatus->black_level_g), static_cast<int32_t>(blackLevelStatus->black_level_b) }); + + FocusStatus *focusStatus = rpiMetadata_.GetLocked<FocusStatus>("focus.status"); + if (focusStatus && focusStatus->num == 12) { + /* + * We get a 4x3 grid of regions by default. Calculate the average + * FoM over the central two positions to give an overall scene FoM. + * This can change later if it is not deemed suitable. + */ + int32_t focusFoM = (focusStatus->focus_measures[5] + focusStatus->focus_measures[6]) / 2; + libcameraMetadata_.set(controls::FocusFoM, focusFoM); + } } /* |