diff options
Diffstat (limited to 'src/ipa/libipa/camera_sensor_helper.cpp')
| -rw-r--r-- | src/ipa/libipa/camera_sensor_helper.cpp | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp index f8a497e1..782ff990 100644 --- a/src/ipa/libipa/camera_sensor_helper.cpp +++ b/src/ipa/libipa/camera_sensor_helper.cpp @@ -2,7 +2,7 @@ /* * Copyright (C) 2021, Google Inc. * - * camera_sensor_helper.cpp - Helper class that performs sensor-specific + * Helper class that performs sensor-specific * parameter computations */ #include "camera_sensor_helper.h" @@ -369,30 +369,26 @@ static constexpr double expGainDb(double step) 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_; + uint32_t gainCode(double gain) const override + { + 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); -} + return (coarse << 4) | (fine & 0xf); + } -double CameraSensorHelperAr0521::gain(uint32_t gainCode) const -{ - unsigned int coarse = gainCode >> 4; - unsigned int fine = gainCode & 0xf; + double gain(uint32_t gainCode) const override + { + unsigned int coarse = gainCode >> 4; + unsigned int fine = gainCode & 0xf; - return (1 << coarse) * (1 + fine / kStep_); -} + return (1 << coarse) * (1 + fine / kStep_); + } +private: + static constexpr double kStep_ = 16; +}; REGISTER_CAMERA_SENSOR_HELPER("ar0521", CameraSensorHelperAr0521) class CameraSensorHelperImx219 : public CameraSensorHelper |