68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
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# Copyright 2013 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""CameraITS test to see sensitivity param applied properly in burst or not.
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"""
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from mobly import test_runner
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import its_base_test
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import camera_properties_utils
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import capture_request_utils
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import its_session_utils
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_NUM_STEPS = 3
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_ERROR_TOLERANCE = 0.96 # Allow ISO to be rounded down by 4%
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class ParamSensitivityBurstTest(its_base_test.ItsBaseTest):
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"""Test android.sensor.sensitivity parameter applied properly in burst.
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Inspects the output metadata only (not the image data).
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"""
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def test_param_sensitivity_burst(self):
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with its_session_utils.ItsSession(
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device_id=self.dut.serial,
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camera_id=self.camera_id,
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hidden_physical_id=self.hidden_physical_id) as cam:
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props = cam.get_camera_properties()
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props = cam.override_with_hidden_physical_camera_props(props)
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camera_properties_utils.skip_unless(
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camera_properties_utils.manual_sensor(props) and
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camera_properties_utils.per_frame_control(props))
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sens_range = props['android.sensor.info.sensitivityRange']
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sens_step = (sens_range[1] - sens_range[0]) // _NUM_STEPS
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sens_list = range(sens_range[0], sens_range[1], sens_step)
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exp = min(props['android.sensor.info.exposureTimeRange'])
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if exp == 0:
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raise AssertionError('Minimum exposure time is 0')
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reqs = [
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capture_request_utils.manual_capture_request(s, exp)
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for s in sens_list
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]
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_, fmt = capture_request_utils.get_fastest_manual_capture_settings(props)
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caps = cam.do_capture(reqs, fmt)
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for i, cap in enumerate(caps):
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s_req = sens_list[i]
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s_cap = cap['metadata']['android.sensor.sensitivity']
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if (s_req < s_cap or s_cap / float(s_req) < _ERROR_TOLERANCE):
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raise AssertionError(f's_request: {s_req}, s_capture: {s_cap}, '
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f'TOL: {_ERROR_TOLERANCE:.2f}')
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if __name__ == '__main__':
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test_runner.main()
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