1# Copyright 2013 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""CameraITS test to see sensitivity param applied properly in burst or not. 15""" 16 17from mobly import test_runner 18 19import its_base_test 20import camera_properties_utils 21import capture_request_utils 22import its_session_utils 23 24_NUM_STEPS = 3 25_ERROR_TOLERANCE = 0.96 # Allow ISO to be rounded down by 4% 26 27 28class ParamSensitivityBurstTest(its_base_test.ItsBaseTest): 29 """Test android.sensor.sensitivity parameter applied properly in burst. 30 31 Inspects the output metadata only (not the image data). 32 """ 33 34 def test_param_sensitivity_burst(self): 35 with its_session_utils.ItsSession( 36 device_id=self.dut.serial, 37 camera_id=self.camera_id, 38 hidden_physical_id=self.hidden_physical_id) as cam: 39 props = cam.get_camera_properties() 40 props = cam.override_with_hidden_physical_camera_props(props) 41 camera_properties_utils.skip_unless( 42 camera_properties_utils.manual_sensor(props) and 43 camera_properties_utils.per_frame_control(props)) 44 45 sens_range = props['android.sensor.info.sensitivityRange'] 46 sens_step = (sens_range[1] - sens_range[0]) // _NUM_STEPS 47 sens_list = range(sens_range[0], sens_range[1], sens_step) 48 exp = min(props['android.sensor.info.exposureTimeRange']) 49 if exp == 0: 50 raise AssertionError('Minimum exposure time is 0') 51 reqs = [ 52 capture_request_utils.manual_capture_request(s, exp) 53 for s in sens_list 54 ] 55 _, fmt = capture_request_utils.get_fastest_manual_capture_settings(props) 56 57 caps = cam.do_capture(reqs, fmt) 58 for i, cap in enumerate(caps): 59 s_req = sens_list[i] 60 s_cap = cap['metadata']['android.sensor.sensitivity'] 61 if (s_req < s_cap or s_cap / float(s_req) < _ERROR_TOLERANCE): 62 raise AssertionError(f's_request: {s_req}, s_capture: {s_cap}, ' 63 f'TOL: {_ERROR_TOLERANCE:.2f}') 64 65 66if __name__ == '__main__': 67 test_runner.main() 68