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87 lines
3.2 KiB
87 lines
3.2 KiB
# Copyright 2014 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 for unified timestamp for image and motion sensor events."""
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import logging
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import time
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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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class UnifiedTimeStampTest(its_base_test.ItsBaseTest):
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"""Test if image and motion sensor events are in the same time domain.
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"""
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def test_unified_timestamps(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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# Only run test if the appropriate properties are claimed.
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camera_properties_utils.skip_unless(
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camera_properties_utils.sensor_fusion(props) and
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camera_properties_utils.backward_compatible(props))
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# Get the timestamp of a captured image.
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if camera_properties_utils.manual_sensor(props):
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req, fmt = capture_request_utils.get_fastest_manual_capture_settings(
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props)
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else:
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req, fmt = capture_request_utils.get_fastest_auto_capture_settings(
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props)
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cap = cam.do_capture(req, fmt)
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ts_image0 = cap['metadata']['android.sensor.timestamp']
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# Get the timestamps of motion events.
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logging.debug('Reading sensor measurements')
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sensors = cam.get_sensors()
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cam.start_sensor_events()
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time.sleep(2.0)
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events = cam.get_sensor_events()
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ts_sensor_first = {}
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ts_sensor_last = {}
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for sensor, existing in sensors.items():
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# Vibrator doesn't generate outputs: b/142653973
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if existing and sensor != 'vibrator':
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assert events[sensor], '%s sensor has no events!' % sensor
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ts_sensor_first[sensor] = events[sensor][0]['time']
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ts_sensor_last[sensor] = events[sensor][-1]['time']
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# Get the timestamp of another image.
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cap = cam.do_capture(req, fmt)
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ts_image1 = cap['metadata']['android.sensor.timestamp']
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logging.debug('Image timestamps: %s , %s', ts_image0, ts_image1)
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# The motion timestamps must be between the two image timestamps.
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for sensor, existing in sensors.items():
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if existing and sensor != 'vibrator':
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logging.debug('%s timestamps: %d %d', sensor, ts_sensor_first[sensor],
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ts_sensor_last[sensor])
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assert ts_image0 < ts_sensor_first[sensor] < ts_image1
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assert ts_image0 < ts_sensor_last[sensor] < ts_image1
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if __name__ == '__main__':
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test_runner.main()
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