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  /external/libxcam/xcore/
x3a_analyzer_simple.cpp 226 double target_exposure = 1.0; local
250 target_exposure = (expect_y_mean / sum_y) * _last_target_exposure;
251 target_exposure = XCAM_MAX (target_exposure, SIMPLE_MIN_TARGET_EXPOSURE_TIME);
253 if (target_exposure > SIMPLE_MAX_TARGET_EXPOSURE_TIME * 255)
254 target_exposure = SIMPLE_MAX_TARGET_EXPOSURE_TIME * 255;
256 if (target_exposure > SIMPLE_MAX_TARGET_EXPOSURE_TIME) {
258 exposure.analog_gain = target_exposure / exposure.exposure_time;
260 exposure.exposure_time = target_exposure;
266 _last_target_exposure = target_exposure;
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