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-rw-r--r--src/ipa/ipu3/algorithms/agc.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index b89d1559..b5d736c1 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -54,6 +54,9 @@ static constexpr uint32_t kFrameSkipCount = 6;
static constexpr double kMinAnalogueGain = 1.0;
static constexpr double kMaxAnalogueGain = 8.0;
+/* \todo Honour the FrameDurationLimits control instead of hardcoding a limit */
+static constexpr utils::Duration kMaxShutterSpeed = 60ms;
+
/* Histogram constants */
static constexpr uint32_t knumHistogramBins = 256;
@@ -84,7 +87,8 @@ int Agc::configure(IPAContext &context, const IPAConfigInfo &configInfo)
/* \todo replace the exposure in lines storage with time based ones. */
minExposureLines_ = context.configuration.agc.minShutterSpeed / lineDuration_;
- maxExposureLines_ = context.configuration.agc.maxShutterSpeed / lineDuration_;
+ maxExposureLines_ = std::min(context.configuration.agc.maxShutterSpeed / lineDuration_,
+ kMaxShutterSpeed / lineDuration_);
minAnalogueGain_ = std::max(context.configuration.agc.minAnalogueGain, kMinAnalogueGain);
maxAnalogueGain_ = std::min(context.configuration.agc.maxAnalogueGain, kMaxAnalogueGain);