| # Copyright 2014 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """CameraITS test for unified timestamp for image and motion sensor events.""" |
| |
| import logging |
| import time |
| |
| |
| from mobly import test_runner |
| |
| import its_base_test |
| import camera_properties_utils |
| import capture_request_utils |
| import its_session_utils |
| |
| |
| class UnifiedTimeStampTest(its_base_test.ItsBaseTest): |
| """Test if image and motion sensor events are in the same time domain. |
| """ |
| |
| def test_unified_timestamps(self): |
| with its_session_utils.ItsSession( |
| device_id=self.dut.serial, |
| camera_id=self.camera_id, |
| hidden_physical_id=self.hidden_physical_id) as cam: |
| props = cam.get_camera_properties() |
| props = cam.override_with_hidden_physical_camera_props(props) |
| |
| # Only run test if the appropriate properties are claimed. |
| camera_properties_utils.skip_unless( |
| camera_properties_utils.sensor_fusion(props) and |
| camera_properties_utils.backward_compatible(props)) |
| |
| # Get the timestamp of a captured image. |
| if camera_properties_utils.manual_sensor(props): |
| req, fmt = capture_request_utils.get_fastest_manual_capture_settings( |
| props) |
| else: |
| req, fmt = capture_request_utils.get_fastest_auto_capture_settings( |
| props) |
| cap = cam.do_capture(req, fmt) |
| ts_image0 = cap['metadata']['android.sensor.timestamp'] |
| |
| # Get the timestamps of motion events. |
| logging.debug('Reading sensor measurements') |
| sensors = cam.get_sensors() |
| cam.start_sensor_events() |
| time.sleep(2.0) |
| events = cam.get_sensor_events() |
| ts_sensor_first = {} |
| ts_sensor_last = {} |
| for sensor, existing in sensors.items(): |
| # Vibrator doesn't generate outputs: b/142653973 |
| if existing and sensor != 'vibrator': |
| if not events[sensor]: |
| raise AssertionError(f'{sensor} has no events!') |
| ts_sensor_first[sensor] = events[sensor][0]['time'] |
| ts_sensor_last[sensor] = events[sensor][-1]['time'] |
| |
| # Get the timestamp of another image. |
| cap = cam.do_capture(req, fmt) |
| ts_image1 = cap['metadata']['android.sensor.timestamp'] |
| |
| logging.debug('Image timestamps: %s , %s', ts_image0, ts_image1) |
| |
| # The motion timestamps must be between the two image timestamps. |
| for sensor, existing in sensors.items(): |
| if existing and sensor != 'vibrator': |
| logging.debug('%s timestamps: %d %d', sensor, ts_sensor_first[sensor], |
| ts_sensor_last[sensor]) |
| if (not ts_image0 < ts_sensor_first[sensor] < ts_image1 or |
| not ts_image0 < ts_sensor_last[sensor] < ts_image1): |
| raise AssertionError( |
| f'{sensor} times not bounded by camera! camera: ' |
| f'{ts_image0}:{ts_image1}, {sensor}: ' |
| f'{ts_sensor_first[sensor]}:{ts_sensor_last[sensor]}') |
| |
| |
| if __name__ == '__main__': |
| test_runner.main() |