[RFC,v2,12/13] libcamera: ipa: simple: Use symbolic constants for adjust defaults
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Message ID 20251120104548.80268-13-mzamazal@redhat.com
State New
Headers show
Series
  • Simple pipeline IPA cleanup
Related show

Commit Message

Milan Zamazal Nov. 20, 2025, 10:45 a.m. UTC
The adjust algorithm already uses a symbolic constant for gamma.  Let's
introduce similar constants for contrast and saturation to prevent
copying the numeric defaults to multiple places.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
---
 src/ipa/simple/algorithms/adjust.cpp | 11 +++++++----
 src/ipa/simple/algorithms/adjust.h   |  2 ++
 2 files changed, 9 insertions(+), 4 deletions(-)

Patch
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diff --git a/src/ipa/simple/algorithms/adjust.cpp b/src/ipa/simple/algorithms/adjust.cpp
index 57ed4f6bf..96c0bde0a 100644
--- a/src/ipa/simple/algorithms/adjust.cpp
+++ b/src/ipa/simple/algorithms/adjust.cpp
@@ -23,10 +23,13 @@  LOG_DEFINE_CATEGORY(IPASoftAdjust)
 
 int Adjust::init(IPAContext &context, [[maybe_unused]] const YamlObject &tuningData)
 {
-	context.ctrlMap[&controls::Gamma] = ControlInfo(0.1f, 10.0f, kDefaultGamma);
-	context.ctrlMap[&controls::Contrast] = ControlInfo(0.0f, 2.0f, 1.0f);
+	context.ctrlMap[&controls::Gamma] =
+		ControlInfo(0.1f, 10.0f, kDefaultGamma);
+	context.ctrlMap[&controls::Contrast] =
+		ControlInfo(0.0f, 2.0f, kDefaultContrast);
 	if (context.ccmEnabled)
-		context.ctrlMap[&controls::Saturation] = ControlInfo(0.0f, 2.0f, 1.0f);
+		context.ctrlMap[&controls::Saturation] =
+			ControlInfo(0.0f, 2.0f, kDefaultSaturation);
 	return 0;
 }
 
@@ -118,7 +121,7 @@  void Adjust::process([[maybe_unused]] IPAContext &context,
 		metadata.set(controls::Contrast, contrast.value());
 
 	const auto &saturation = frameContext.saturation;
-	metadata.set(controls::Saturation, saturation.value_or(1.0));
+	metadata.set(controls::Saturation, saturation.value_or(kDefaultSaturation));
 }
 
 REGISTER_IPA_ALGORITHM(Adjust, "Adjust")
diff --git a/src/ipa/simple/algorithms/adjust.h b/src/ipa/simple/algorithms/adjust.h
index 190d2079f..11d8297ca 100644
--- a/src/ipa/simple/algorithms/adjust.h
+++ b/src/ipa/simple/algorithms/adjust.h
@@ -20,6 +20,8 @@  namespace libcamera {
 namespace ipa::soft::algorithms {
 
 const float kDefaultGamma = 2.2f;
+const float kDefaultContrast = 1.0f;
+const float kDefaultSaturation = 1.0f;
 
 class Adjust : public Algorithm
 {