48 double minGain,
double maxGain);
52 return constraintModes_;
57 return exposureModeHelpers_;
65 std::tuple<utils::Duration, double, double>
66 calculateNewEv(uint32_t constraintModeIndex, uint32_t exposureModeIndex,
75 virtual double estimateLuminance(
const double gain)
const = 0;
77 void parseRelativeLuminanceTarget(
const YamlObject &tuningData);
78 void parseConstraint(
const YamlObject &modeDict, int32_t
id);
79 int parseConstraintModes(
const YamlObject &tuningData);
80 int parseExposureModes(
const YamlObject &tuningData);
81 double estimateInitialGain()
const;
82 double constraintClampGain(uint32_t constraintModeIndex,
89 double relativeLuminanceTarget_;
91 std::map<int32_t, std::vector<AgcConstraint>> constraintModes_;
92 std::map<int32_t, std::shared_ptr<ExposureModeHelper>> exposureModeHelpers_;
std::unordered_map< const ControlId *, ControlInfo > Map
The base std::unsorted_map<> container.
Definition: controls.h:308
A class representing the tree structure of the YAML content.
Definition: yaml_parser.h:26
A mean-based auto-exposure algorithm.
Definition: agc_mean_luminance.h:29
void setLimits(utils::Duration minShutter, utils::Duration maxShutter, double minGain, double maxGain)
Set the ExposureModeHelper limits for this class.
Definition: agc_mean_luminance.cpp:382
void resetFrameCount()
Reset the frame counter.
Definition: agc_mean_luminance.h:69
std::map< int32_t, std::vector< AgcConstraint > > constraintModes()
Get the constraint modes that have been parsed from tuning data.
Definition: agc_mean_luminance.h:50
int parseTuningData(const YamlObject &tuningData)
Parse tuning data for AeConstraintMode and AeExposureMode controls.
Definition: agc_mean_luminance.cpp:359
ControlInfoMap::Map controls()
Get the controls that have been generated after parsing tuning data.
Definition: agc_mean_luminance.h:60
std::tuple< utils::Duration, double, double > calculateNewEv(uint32_t constraintModeIndex, uint32_t exposureModeIndex, const Histogram &yHist, utils::Duration effectiveExposureValue)
Calculate the new exposure value and splut it between shutter time and gain.
Definition: agc_mean_luminance.cpp:531
std::map< int32_t, std::shared_ptr< ExposureModeHelper > > exposureModeHelpers()
Get the ExposureModeHelpers that have been parsed from tuning data.
Definition: agc_mean_luminance.h:55
The base class for creating histograms.
Definition: histogram.h:24
Helper class from std::chrono::duration that represents a time duration in nanoseconds with double pr...
Definition: utils.h:354
Framework to manage controls related to an object.
Helper class that performs computations relating to exposure.
Class to represent Histograms and manipulate them.
Top-level libcamera namespace.
Definition: backtrace.h:17
The boundaries and target for an AeConstraintMode constraint.
Definition: agc_mean_luminance.h:34
double qHi
The upper quantile to use for the constraint.
Definition: agc_mean_luminance.h:41
Bound
Specify whether the constraint defines a lower or upper bound.
Definition: agc_mean_luminance.h:35
double qLo
The lower quantile to use for the constraint.
Definition: agc_mean_luminance.h:40
Bound bound
The type of constraint bound.
Definition: agc_mean_luminance.h:39
double yTarget
The luminance target for the constraint.
Definition: agc_mean_luminance.h:42
Miscellaneous utility functions.