ipa: raspberrypi: Use YamlParser to replace dependency on boost

The Raspberry Pi IPA module depends on boost only to parse the JSON
tuning data files. As libcamera depends on libyaml, use the YamlParser
class to parse those files and drop the dependency on boost.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>

1 files changed, 14 insertions, 14 deletions

diff --git a/src/ipa/raspberrypi/controller/rpi/contrast.cpp b/src/ipa/raspberrypi/controller/rpi/contrast.cpp
index d76dc43b..5b37edcb 100644
--- a/src/ipa/raspberrypi/controller/rpi/contrast.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/contrast.cpp
@@ -38,21 +38,21 @@ char const *Contrast::name() const
 	return NAME;
 }
 
-int Contrast::read(boost::property_tree::ptree const &params)
+int Contrast::read(const libcamera::YamlObject &params)
 {
-	/* enable adaptive enhancement by default */
-	config_.ceEnable = params.get<int>("ce_enable", 1);
-	/* the point near the bottom of the histogram to move */
-	config_.loHistogram = params.get<double>("lo_histogram", 0.01);
-	/* where in the range to try and move it to */
-	config_.loLevel = params.get<double>("lo_level", 0.015);
-	/* but don't move by more than this */
-	config_.loMax = params.get<double>("lo_max", 500);
-	/* equivalent values for the top of the histogram... */
-	config_.hiHistogram = params.get<double>("hi_histogram", 0.95);
-	config_.hiLevel = params.get<double>("hi_level", 0.95);
-	config_.hiMax = params.get<double>("hi_max", 2000);
-	return config_.gammaCurve.read(params.get_child("gamma_curve"));
+	// enable adaptive enhancement by default
+	config_.ceEnable = params["ce_enable"].get<int>(1);
+	// the point near the bottom of the histogram to move
+	config_.loHistogram = params["lo_histogram"].get<double>(0.01);
+	// where in the range to try and move it to
+	config_.loLevel = params["lo_level"].get<double>(0.015);
+	// but don't move by more than this
+	config_.loMax = params["lo_max"].get<double>(500);
+	// equivalent values for the top of the histogram...
+	config_.hiHistogram = params["hi_histogram"].get<double>(0.95);
+	config_.hiLevel = params["hi_level"].get<double>(0.95);
+	config_.hiMax = params["hi_max"].get<double>(2000);
+	return config_.gammaCurve.read(params["gamma_curve"]);
 }
 
 void Contrast::setBrightness(double brightness)