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Diffstat (limited to 'src/ipa/rpi/controller/rpi/agc_channel.cpp')
-rw-r--r--src/ipa/rpi/controller/rpi/agc_channel.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/ipa/rpi/controller/rpi/agc_channel.cpp b/src/ipa/rpi/controller/rpi/agc_channel.cpp
index 8116c6c1..cf2565a8 100644
--- a/src/ipa/rpi/controller/rpi/agc_channel.cpp
+++ b/src/ipa/rpi/controller/rpi/agc_channel.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2023, Raspberry Pi Ltd
*
- * agc_channel.cpp - AGC/AEC control algorithm
+ * AGC/AEC control algorithm
*/
#include "agc_channel.h"
@@ -130,7 +130,8 @@ int AgcConstraint::read(const libcamera::YamlObject &params)
return -EINVAL;
qHi = *value;
- return yTarget.read(params["y_target"]);
+ yTarget = params["y_target"].get<ipa::Pwl>(ipa::Pwl{});
+ return yTarget.empty() ? -EINVAL : 0;
}
static std::tuple<int, AgcConstraintMode>
@@ -237,9 +238,9 @@ int AgcConfig::read(const libcamera::YamlObject &params)
return ret;
}
- ret = yTarget.read(params["y_target"]);
- if (ret)
- return ret;
+ yTarget = params["y_target"].get<ipa::Pwl>(ipa::Pwl{});
+ if (yTarget.empty())
+ return -EINVAL;
speed = params["speed"].get<double>(0.2);
startupFrames = params["startup_frames"].get<uint16_t>(10);
@@ -715,7 +716,7 @@ static constexpr double EvGainYTargetLimit = 0.9;
static double constraintComputeGain(AgcConstraint &c, const Histogram &h, double lux,
double evGain, double &targetY)
{
- targetY = c.yTarget.eval(c.yTarget.domain().clip(lux));
+ targetY = c.yTarget.eval(c.yTarget.domain().clamp(lux));
targetY = std::min(EvGainYTargetLimit, targetY * evGain);
double iqm = h.interQuantileMean(c.qLo, c.qHi);
return (targetY * h.bins()) / iqm;
@@ -734,7 +735,7 @@ void AgcChannel::computeGain(StatisticsPtr &statistics, Metadata *imageMetadata,
* The initial gain and target_Y come from some of the regions. After
* that we consider the histogram constraints.
*/
- targetY = config_.yTarget.eval(config_.yTarget.domain().clip(lux.lux));
+ targetY = config_.yTarget.eval(config_.yTarget.domain().clamp(lux.lux));
targetY = std::min(EvGainYTargetLimit, targetY * evGain);
/*