[v3,4/6] ipa: simple: Report black levels in metadata
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Message ID 20250113133405.12167-5-mzamazal@redhat.com
State New
Headers show
Series
  • ipa: simple: Introduce metadata reporting
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Commit Message

Milan Zamazal Jan. 13, 2025, 1:34 p.m. UTC 
From: Kieran Bingham <kieran.bingham@ideasonboard.com>

Provide the determined black level values in the metadata
to add to the completed requests.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
---
 src/ipa/simple/algorithms/blc.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Patch
diff mbox series 

diff --git a/src/ipa/simple/algorithms/blc.cpp b/src/ipa/simple/algorithms/blc.cpp
index 1d7d370b..d5759f92 100644
--- a/src/ipa/simple/algorithms/blc.cpp
+++ b/src/ipa/simple/algorithms/blc.cpp
@@ -11,6 +11,8 @@ 
 
 #include <libcamera/base/log.h>
 
+#include "control_ids.h"
+
 namespace libcamera {
 
 namespace ipa::soft::algorithms {
@@ -49,8 +51,13 @@  void BlackLevel::process(IPAContext &context,
 			 [[maybe_unused]] const uint32_t frame,
 			 IPAFrameContext &frameContext,
 			 const SwIspStats *stats,
-			 [[maybe_unused]] ControlList &metadata)
+			 ControlList &metadata)
 {
+	/* Assign each of the R G G B channels as the same black level. */
+	const int32_t blackLevel = context.activeState.blc.level * 256;
+	const int32_t blackLevels[] = { blackLevel, blackLevel, blackLevel, blackLevel };
+	metadata.set(controls::SensorBlackLevels, blackLevels);
+
 	if (context.configuration.black.level.has_value())
 		return;