diff options
Diffstat (limited to 'src/ipa/libipa/camera_sensor_helper.cpp')
| -rw-r--r-- | src/ipa/libipa/camera_sensor_helper.cpp | 215 |
1 files changed, 181 insertions, 34 deletions
diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp index d4dba497..f8a497e1 100644 --- a/src/ipa/libipa/camera_sensor_helper.cpp +++ b/src/ipa/libipa/camera_sensor_helper.cpp @@ -43,7 +43,8 @@ namespace ipa { * \brief Construct a CameraSensorHelper instance * * CameraSensorHelper derived class instances shall never be constructed - * manually but always through the CameraSensorHelperFactory::create() function. + * manually but always through the CameraSensorHelperFactoryBase::create() + * function. */ /** @@ -217,27 +218,25 @@ double CameraSensorHelper::gain(uint32_t gainCode) const */ /** - * \class CameraSensorHelperFactory - * \brief Registration of CameraSensorHelperFactory classes and creation of instances + * \class CameraSensorHelperFactoryBase + * \brief Base class for camera sensor helper factories * - * To facilitate discovery and instantiation of CameraSensorHelper classes, the - * CameraSensorHelperFactory class maintains a registry of camera sensor helper - * sub-classes. Each CameraSensorHelper subclass shall register itself using the - * REGISTER_CAMERA_SENSOR_HELPER() macro, which will create a corresponding - * instance of a CameraSensorHelperFactory subclass and register it with the - * static list of factories. + * The CameraSensorHelperFactoryBase class is the base of all specializations of + * the CameraSensorHelperFactory class template. It implements the factory + * registration, maintains a registry of factories, and provides access to the + * registered factories. */ /** - * \brief Construct a camera sensor helper factory + * \brief Construct a camera sensor helper factory base * \param[in] name Name of the camera sensor helper class * - * Creating an instance of the factory registers it with the global list of + * Creating an instance of the factory base registers it with the global list of * factories, accessible through the factories() function. * - * The factory \a name is used for debug purpose and shall be unique. + * The factory \a name is used to look up factories and shall be unique. */ -CameraSensorHelperFactory::CameraSensorHelperFactory(const std::string name) +CameraSensorHelperFactoryBase::CameraSensorHelperFactoryBase(const std::string name) : name_(name) { registerType(this); @@ -252,17 +251,16 @@ CameraSensorHelperFactory::CameraSensorHelperFactory(const std::string name) * corresponding to the named factory or a null pointer if no such factory * exists */ -std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactory::create(const std::string &name) +std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactoryBase::create(const std::string &name) { - std::vector<CameraSensorHelperFactory *> &factories = - CameraSensorHelperFactory::factories(); + const std::vector<CameraSensorHelperFactoryBase *> &factories = + CameraSensorHelperFactoryBase::factories(); - for (CameraSensorHelperFactory *factory : factories) { + for (const CameraSensorHelperFactoryBase *factory : factories) { if (name != factory->name_) continue; - CameraSensorHelper *helper = factory->createInstance(); - return std::unique_ptr<CameraSensorHelper>(helper); + return factory->createInstance(); } return nullptr; @@ -275,10 +273,10 @@ std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactory::create(const std: * The caller is responsible to guarantee the uniqueness of the camera sensor * helper name. */ -void CameraSensorHelperFactory::registerType(CameraSensorHelperFactory *factory) +void CameraSensorHelperFactoryBase::registerType(CameraSensorHelperFactoryBase *factory) { - std::vector<CameraSensorHelperFactory *> &factories = - CameraSensorHelperFactory::factories(); + std::vector<CameraSensorHelperFactoryBase *> &factories = + CameraSensorHelperFactoryBase::factories(); factories.push_back(factory); } @@ -287,33 +285,49 @@ void CameraSensorHelperFactory::registerType(CameraSensorHelperFactory *factory) * \brief Retrieve the list of all camera sensor helper factories * \return The list of camera sensor helper factories */ -std::vector<CameraSensorHelperFactory *> &CameraSensorHelperFactory::factories() +std::vector<CameraSensorHelperFactoryBase *> &CameraSensorHelperFactoryBase::factories() { /* * The static factories map is defined inside the function to ensure * it gets initialized on first use, without any dependency on link * order. */ - static std::vector<CameraSensorHelperFactory *> factories; + static std::vector<CameraSensorHelperFactoryBase *> factories; return factories; } /** - * \fn CameraSensorHelperFactory::createInstance() - * \brief Create an instance of the CameraSensorHelper corresponding to the - * factory + * \class CameraSensorHelperFactory + * \brief Registration of CameraSensorHelperFactory classes and creation of instances + * \tparam _Helper The camera sensor helper class type for this factory * - * This virtual function is implemented by the REGISTER_CAMERA_SENSOR_HELPER() - * macro. It creates a camera sensor helper instance associated with the camera - * sensor model. + * To facilitate discovery and instantiation of CameraSensorHelper classes, the + * CameraSensorHelperFactory class implements auto-registration of camera sensor + * helpers. Each CameraSensorHelper subclass shall register itself using the + * REGISTER_CAMERA_SENSOR_HELPER() macro, which will create a corresponding + * instance of a CameraSensorHelperFactory subclass and register it with the + * static list of factories. + */ + +/** + * \fn CameraSensorHelperFactory::CameraSensorHelperFactory(const char *name) + * \brief Construct a camera sensor helper factory + * \param[in] name Name of the camera sensor helper class * - * \return A pointer to a newly constructed instance of the CameraSensorHelper - * subclass corresponding to the factory + * Creating an instance of the factory registers it with the global list of + * factories, accessible through the CameraSensorHelperFactoryBase::factories() + * function. + * + * The factory \a name is used to look up factories and shall be unique. */ /** - * \var CameraSensorHelperFactory::name_ - * \brief The name of the factory + * \fn CameraSensorHelperFactory::createInstance() const + * \brief Create an instance of the CameraSensorHelper corresponding to the + * factory + * + * \return A unique pointer to a newly constructed instance of the + * CameraSensorHelper subclass corresponding to the factory */ /** @@ -352,6 +366,35 @@ static constexpr double expGainDb(double step) return log2_10 * step / 20; } +class CameraSensorHelperAr0521 : public CameraSensorHelper +{ +public: + uint32_t gainCode(double gain) const override; + double gain(uint32_t gainCode) const override; + +private: + static constexpr double kStep_ = 16; +}; + +uint32_t CameraSensorHelperAr0521::gainCode(double gain) const +{ + gain = std::clamp(gain, 1.0, 15.5); + unsigned int coarse = std::log2(gain); + unsigned int fine = (gain / (1 << coarse) - 1) * kStep_; + + return (coarse << 4) | (fine & 0xf); +} + +double CameraSensorHelperAr0521::gain(uint32_t gainCode) const +{ + unsigned int coarse = gainCode >> 4; + unsigned int fine = gainCode & 0xf; + + return (1 << coarse) * (1 + fine / kStep_); +} + +REGISTER_CAMERA_SENSOR_HELPER("ar0521", CameraSensorHelperAr0521) + class CameraSensorHelperImx219 : public CameraSensorHelper { public: @@ -374,6 +417,17 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("imx258", CameraSensorHelperImx258) +class CameraSensorHelperImx283 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx283() + { + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 0, 2048, -1, 2048 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx283", CameraSensorHelperImx283) + class CameraSensorHelperImx290 : public CameraSensorHelper { public: @@ -396,6 +450,33 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("imx296", CameraSensorHelperImx296) +class CameraSensorHelperImx327 : public CameraSensorHelperImx290 +{ +}; +REGISTER_CAMERA_SENSOR_HELPER("imx327", CameraSensorHelperImx327) + +class CameraSensorHelperImx335 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx335() + { + gainType_ = AnalogueGainExponential; + gainConstants_.exp = { 1.0, expGainDb(0.3) }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx335", CameraSensorHelperImx335) + +class CameraSensorHelperImx415 : public CameraSensorHelper +{ +public: + CameraSensorHelperImx415() + { + gainType_ = AnalogueGainExponential; + gainConstants_.exp = { 1.0, expGainDb(0.3) }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("imx415", CameraSensorHelperImx415) + class CameraSensorHelperImx477 : public CameraSensorHelper { public: @@ -407,6 +488,21 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("imx477", CameraSensorHelperImx477) +class CameraSensorHelperOv2685 : public CameraSensorHelper +{ +public: + CameraSensorHelperOv2685() + { + /* + * The Sensor Manual doesn't appear to document the gain model. + * This has been validated with some empirical testing only. + */ + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 1, 0, 0, 128 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("ov2685", CameraSensorHelperOv2685) + class CameraSensorHelperOv2740 : public CameraSensorHelper { public: @@ -418,6 +514,17 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("ov2740", CameraSensorHelperOv2740) +class CameraSensorHelperOv4689 : public CameraSensorHelper +{ +public: + CameraSensorHelperOv4689() + { + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 1, 0, 0, 128 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("ov4689", CameraSensorHelperOv4689) + class CameraSensorHelperOv5640 : public CameraSensorHelper { public: @@ -429,6 +536,17 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("ov5640", CameraSensorHelperOv5640) +class CameraSensorHelperOv5647 : public CameraSensorHelper +{ +public: + CameraSensorHelperOv5647() + { + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 1, 0, 0, 16 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("ov5647", CameraSensorHelperOv5647) + class CameraSensorHelperOv5670 : public CameraSensorHelper { public: @@ -462,6 +580,35 @@ public: }; REGISTER_CAMERA_SENSOR_HELPER("ov5693", CameraSensorHelperOv5693) +class CameraSensorHelperOv64a40 : public CameraSensorHelper +{ +public: + CameraSensorHelperOv64a40() + { + gainType_ = AnalogueGainLinear; + gainConstants_.linear = { 1, 0, 0, 128 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("ov64a40", CameraSensorHelperOv64a40) + +class CameraSensorHelperOv8858 : public CameraSensorHelper +{ +public: + CameraSensorHelperOv8858() + { + gainType_ = AnalogueGainLinear; + + /* + * \todo Validate the selected 1/128 step value as it differs + * from what the sensor manual describes. + * + * See: https://patchwork.linuxtv.org/project/linux-media/patch/20221106171129.166892-2-nicholas@rothemail.net/#142267 + */ + gainConstants_.linear = { 1, 0, 0, 128 }; + } +}; +REGISTER_CAMERA_SENSOR_HELPER("ov8858", CameraSensorHelperOv8858) + class CameraSensorHelperOv8865 : public CameraSensorHelper { public: |