| # Copyright 2018 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 that the device will write/read correct exp/gain values. |
| """ |
| |
| import logging |
| import os.path |
| |
| from mobly import test_runner |
| |
| import its_base_test |
| import camera_properties_utils |
| import capture_request_utils |
| import its_session_utils |
| |
| |
| NAME = os.path.basename(__file__).split('.')[0] |
| # Spec to be within 3% but not over for exposure in capture vs exposure request. |
| RTOL_EXP_GAIN = 0.97 |
| TEST_EXP_RANGE = [6E6, 1E9] # ns [6ms, 1s] |
| |
| |
| class ReadWriteTest(its_base_test.ItsBaseTest): |
| """Test that the device will write/read correct exp/gain values. |
| """ |
| |
| def test_read_write(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) |
| camera_properties_utils.skip_unless( |
| camera_properties_utils.manual_sensor(props) and |
| camera_properties_utils.per_frame_control(props)) |
| |
| valid_formats = ['yuv', 'jpg'] |
| if camera_properties_utils.raw16(props): |
| valid_formats.insert(0, 'raw') |
| # grab exp/gain ranges from camera |
| sensor_exp_range = props['android.sensor.info.exposureTimeRange'] |
| sens_range = props['android.sensor.info.sensitivityRange'] |
| logging.debug('sensor exposure time range: %s', sensor_exp_range) |
| logging.debug('sensor sensitivity range: %s', sens_range) |
| |
| # determine if exposure test range is within sensor reported range |
| if sensor_exp_range[0] == 0: |
| raise AssertionError('Min expsoure == 0') |
| exp_range = [] |
| if sensor_exp_range[0] < TEST_EXP_RANGE[0]: |
| exp_range.append(TEST_EXP_RANGE[0]) |
| else: |
| exp_range.append(sensor_exp_range[0]) |
| if sensor_exp_range[1] > TEST_EXP_RANGE[1]: |
| exp_range.append(TEST_EXP_RANGE[1]) |
| else: |
| exp_range.append(sensor_exp_range[1]) |
| |
| data = {} |
| # build requests |
| for fmt in valid_formats: |
| logging.debug('format: %s', fmt) |
| size = capture_request_utils.get_available_output_sizes(fmt, props)[-1] |
| out_surface = {'width': size[0], 'height': size[1], 'format': fmt} |
| # pylint: disable=protected-access |
| if cam._hidden_physical_id: |
| out_surface['physicalCamera'] = cam._hidden_physical_id |
| reqs = [] |
| index_list = [] |
| for exp in exp_range: |
| for sens in sens_range: |
| reqs.append(capture_request_utils.manual_capture_request(sens, exp)) |
| index_list.append((fmt, exp, sens)) |
| logging.debug('exp_write: %d, sens_write: %d', exp, sens) |
| |
| # take shots |
| caps = cam.do_capture(reqs, out_surface) |
| |
| # extract exp/sensitivity data |
| for i, cap in enumerate(caps): |
| exposure_read = cap['metadata']['android.sensor.exposureTime'] |
| sensitivity_read = cap['metadata']['android.sensor.sensitivity'] |
| data[index_list[i]] = (fmt, exposure_read, sensitivity_read) |
| |
| # check read/write match across all shots |
| e_failed = [] |
| s_failed = [] |
| for fmt_write in valid_formats: |
| for e_write in exp_range: |
| for s_write in sens_range: |
| fmt_read, e_read, s_read = data[(fmt_write, e_write, s_write)] |
| if (e_write < e_read or e_read / float(e_write) <= RTOL_EXP_GAIN): |
| e_failed.append({ |
| 'format': fmt_read, |
| 'e_write': e_write, |
| 'e_read': e_read, |
| 's_write': s_write, |
| 's_read': s_read |
| }) |
| if (s_write < s_read or s_read / float(s_write) <= RTOL_EXP_GAIN): |
| s_failed.append({ |
| 'format': fmt_read, |
| 'e_write': e_write, |
| 'e_read': e_read, |
| 's_write': s_write, |
| 's_read': s_read |
| }) |
| |
| # print results |
| if e_failed: |
| logging.debug('FAILs for exposure time') |
| for fail in e_failed: |
| logging.debug('format: %s, e_write: %d, e_read: %d, RTOL: %.2f, ', |
| fail['format'], fail['e_write'], fail['e_read'], |
| RTOL_EXP_GAIN) |
| logging.debug('s_write: %d, s_read: %d, RTOL: %.2f', |
| fail['s_write'], fail['s_read'], RTOL_EXP_GAIN) |
| if s_failed: |
| logging.debug('FAILs for sensitivity(ISO)') |
| for fail in s_failed: |
| logging.debug('format: %s, s_write: %d, s_read: %d, RTOL: %.2f, ', |
| fail['format'], fail['s_write'], fail['s_read'], |
| RTOL_EXP_GAIN) |
| logging.debug('e_write: %d, e_read: %d, RTOL: %.2f', |
| fail['e_write'], fail['e_read'], RTOL_EXP_GAIN) |
| |
| # PASS/FAIL |
| if e_failed: |
| raise AssertionError(f'Exposure fails: {e_failed}') |
| if s_failed: |
| raise AssertionError(f'Sensitivity fails: {s_failed}') |
| |
| |
| if __name__ == '__main__': |
| test_runner.main() |