apps/CameraITS/tests/scene1_2/test_yuv_plus_dng.py

# 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.
"""Verifies single capture of both DNG and YUV."""


import logging
import os.path
from mobly import test_runner

import its_base_test
import camera_properties_utils
import capture_request_utils
import image_processing_utils
import its_session_utils

MAX_IMG_SIZE = (1920, 1080)
NAME = os.path.splitext(os.path.basename(__file__))[0]


class YuvPlusDngTest(its_base_test.ItsBaseTest):
  """Test capturing a single frame as both DNG and YUV outputs."""

  def test_yuv_plus_dng(self):
    logging.debug('Starting %s', NAME)
    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)
      log_path = self.log_path

      # check SKIP conditions
      camera_properties_utils.skip_unless(
          camera_properties_utils.raw(props) and
          camera_properties_utils.read_3a(props))

      # Load chart for scene
      its_session_utils.load_scene(
          cam, props, self.scene, self.tablet, self.chart_distance)

      # Create requests
      mono_camera = camera_properties_utils.mono_camera(props)
      cam.do_3a(mono_camera=mono_camera)
      req = capture_request_utils.auto_capture_request()
      max_dng_size = capture_request_utils.get_available_output_sizes(
          'raw', props)[0]
      w, h = capture_request_utils.get_available_output_sizes(
          'yuv', props, MAX_IMG_SIZE, max_dng_size)[0]
      out_surfaces = [{'format': 'dng'},
                      {'format': 'yuv', 'width': w, 'height': h}]
      cap_dng, cap_yuv = cam.do_capture(req, out_surfaces)

      img = image_processing_utils.convert_capture_to_rgb_image(cap_yuv)
      image_processing_utils.write_image(
          img, '%s_yuv.jpg' % os.path.join(log_path, NAME))

      with open('%s.dng'%(os.path.join(log_path, NAME)), 'wb') as f:
        f.write(cap_dng['data'])

      # No specific pass/fail check; test assumed to succeed if it completes.

if __name__ == '__main__':
  test_runner.main()