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-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.cpp24
-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.hpp4
2 files changed, 28 insertions, 0 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp
index 30a1c1c1..9da18c31 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp
@@ -184,6 +184,26 @@ void Agc::Read(boost::property_tree::ptree const &params)
exposure_mode_ = &config_.exposure_modes[exposure_mode_name_];
constraint_mode_name_ = config_.default_constraint_mode;
constraint_mode_ = &config_.constraint_modes[constraint_mode_name_];
+ // Set up the "last shutter/gain" values, in case AGC starts "disabled".
+ status_.shutter_time = config_.default_exposure_time;
+ status_.analogue_gain = config_.default_analogue_gain;
+}
+
+bool Agc::IsPaused() const
+{
+ return false;
+}
+
+void Agc::Pause()
+{
+ fixed_shutter_ = status_.shutter_time;
+ fixed_analogue_gain_ = status_.analogue_gain;
+}
+
+void Agc::Resume()
+{
+ fixed_shutter_ = 0;
+ fixed_analogue_gain_ = 0;
}
void Agc::SetEv(double ev)
@@ -199,11 +219,15 @@ void Agc::SetFlickerPeriod(double flicker_period)
void Agc::SetFixedShutter(double fixed_shutter)
{
fixed_shutter_ = fixed_shutter;
+ // Set this in case someone calls Pause() straight after.
+ status_.shutter_time = fixed_shutter;
}
void Agc::SetFixedAnalogueGain(double fixed_analogue_gain)
{
fixed_analogue_gain_ = fixed_analogue_gain;
+ // Set this in case someone calls Pause() straight after.
+ status_.analogue_gain = fixed_analogue_gain;
}
void Agc::SetMeteringMode(std::string const &metering_mode_name)
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.hpp b/src/ipa/raspberrypi/controller/rpi/agc.hpp
index 47ebb324..95db1812 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.hpp
+++ b/src/ipa/raspberrypi/controller/rpi/agc.hpp
@@ -70,6 +70,10 @@ public:
Agc(Controller *controller);
char const *Name() const override;
void Read(boost::property_tree::ptree const &params) override;
+ // AGC handles "pausing" for itself.
+ bool IsPaused() const override;
+ void Pause() override;
+ void Resume() override;
void SetEv(double ev) override;
void SetFlickerPeriod(double flicker_period) override;
void SetFixedShutter(double fixed_shutter) override; // microseconds