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# 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.
import unittest
import its.objects
def full(props):
"""Returns whether a device is a FULL capability camera2 device.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.info.supportedHardwareLevel") and \
props["android.info.supportedHardwareLevel"] == 1
def limited(props):
"""Returns whether a device is a LIMITED capability camera2 device.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.info.supportedHardwareLevel") and \
props["android.info.supportedHardwareLevel"] == 0
def legacy(props):
"""Returns whether a device is a LEGACY capability camera2 device.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.info.supportedHardwareLevel") and \
props["android.info.supportedHardwareLevel"] == 2
def manual_sensor(props):
"""Returns whether a device supports MANUAL_SENSOR capabilities.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.request.availableCapabilities") and \
1 in props["android.request.availableCapabilities"] \
or full(props)
def manual_post_proc(props):
"""Returns whether a device supports MANUAL_POST_PROCESSING capabilities.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.request.availableCapabilities") and \
2 in props["android.request.availableCapabilities"] \
or full(props)
def raw(props):
"""Returns whether a device supports RAW capabilities.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.request.availableCapabilities") and \
3 in props["android.request.availableCapabilities"]
def raw16(props):
"""Returns whether a device supports RAW16 output.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return len(its.objects.get_available_output_sizes("raw", props)) > 0
def raw10(props):
"""Returns whether a device supports RAW10 output.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return len(its.objects.get_available_output_sizes("raw10", props)) > 0
def sensor_fusion(props):
"""Returns whether the camera and motion sensor timestamps for the device
are in the same time domain and can be compared direcctly.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return props.has_key("android.sensor.info.timestampSource") and \
props["android.sensor.info.timestampSource"] == 1
def read_3a(props):
"""Return whether a device supports reading out the following 3A settings:
sensitivity
exposure time
awb gain
awb cct
focus distance
Args:
props: Camera properties object.
Returns:
Boolean.
"""
# TODO: check available result keys explicitly
return manual_sensor(props) and manual_post_proc(props)
def compute_target_exposure(props):
"""Return whether a device supports target exposure computation in its.target module.
Args:
props: Camera properties object.
Returns:
Boolean.
"""
return manual_sensor(props) and manual_post_proc(props)
class __UnitTest(unittest.TestCase):
"""Run a suite of unit tests on this module.
"""
# TODO: Add more unit tests.
if __name__ == '__main__':
unittest.main()
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