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# Copyright 2013 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.
import its.image
import its.device
import its.objects
import its.target
import pylab
import os.path
import matplotlib
import matplotlib.pyplot
def main():
"""Test that the android.sensor.sensitivity parameter is applied properly
within a burst. Inspects the output metadata only (not the image data).
"""
NAME = os.path.basename(__file__).split(".")[0]
NUM_STEPS = 3
with its.device.ItsSession() as cam:
props = cam.get_camera_properties()
sens_range = props['android.sensor.info.sensitivityRange']
sens_step = (sens_range[1] - sens_range[0]) / NUM_STEPS
sens_list = range(sens_range[0], sens_range[1], sens_step)
e = min(props['android.sensor.info.exposureTimeRange'])
reqs = [its.objects.manual_capture_request(s,e) for s in sens_list]
_,fmt = its.objects.get_fastest_manual_capture_settings(props)
caps = cam.do_capture(reqs, fmt)
for i,cap in enumerate(caps):
s_req = sens_list[i]
s_res = cap["metadata"]["android.sensor.sensitivity"]
assert(s_req == s_res)
if __name__ == '__main__':
main()
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