57 static std::unique_ptr<CameraSensorHelper>
create(
const std::string &name);
60 static std::vector<CameraSensorHelperFactory *> &
factories();
71 #define REGISTER_CAMERA_SENSOR_HELPER(name, helper) \
72 class helper##Factory final : public CameraSensorHelperFactory \
75 helper##Factory() : CameraSensorHelperFactory(name) {} \
78 CameraSensorHelper *createInstance() \
80 return new helper(); \
83 static helper##Factory global_##helper##Factory;
Utilities to help constructing class interfaces.
#define LIBCAMERA_DISABLE_COPY_AND_MOVE(klass)
Disable copy and move construction and assignment of the klass.
Registration of CameraSensorHelperFactory classes and creation of instances.
Definition: camera_sensor_helper.h:52
static std::unique_ptr< CameraSensorHelper > create(const std::string &name)
Create an instance of the CameraSensorHelper corresponding to a named factory.
Definition: camera_sensor_helper.cpp:208
CameraSensorHelperFactory(const std::string name)
Construct a camera sensor helper factory.
Definition: camera_sensor_helper.cpp:193
static std::vector< CameraSensorHelperFactory * > & factories()
Retrieve the list of all camera sensor helper factories.
Definition: camera_sensor_helper.cpp:243
static void registerType(CameraSensorHelperFactory *factory)
Add a camera sensor helper class to the registry.
Definition: camera_sensor_helper.cpp:231
virtual CameraSensorHelper * createInstance()=0
Create an instance of the CameraSensorHelper corresponding to the factory.
Base class for computing sensor tuning parameters using sensor-specific constants.
Definition: camera_sensor_helper.h:23
AnalogueGainConstants analogueGainConstants_
The analogue gain parameters used for calculation.
Definition: camera_sensor_helper.h:45
virtual uint32_t gainCode(double gain) const
Construct a CameraSensorHelper instance.
Definition: camera_sensor_helper.cpp:59
AnalogueGainType
The gain calculation modes as defined by the MIPI CCS.
Definition: camera_sensor_helper.h:32
@ AnalogueGainLinear
Gain is computed using linear gain estimation.
Definition: camera_sensor_helper.h:33
@ AnalogueGainExponential
Gain is computed using exponential gain estimation (introduced in CCS v1.1)
Definition: camera_sensor_helper.h:34
virtual double gain(uint32_t gainCode) const
Compute the real gain from the V4L2 subdev control gain code.
Definition: camera_sensor_helper.cpp:81
Top-level libcamera namespace.
Definition: backtrace.h:17
Analogue gain constants used for gain calculation.
Definition: camera_sensor_helper.h:37
AnalogueGainType type
Analogue gain calculation mode.
Definition: camera_sensor_helper.h:38
int16_t c0
Constant used in the analogue gain coding/decoding.
Definition: camera_sensor_helper.h:40
int16_t c1
Constant used in the analogue gain coding/decoding.
Definition: camera_sensor_helper.h:42
int16_t m1
Constant used in the analogue gain coding/decoding.
Definition: camera_sensor_helper.h:41
int16_t m0
Constant used in the analogue Gain coding/decoding.
Definition: camera_sensor_helper.h:39