# Copyright 2015 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 android.edge.mode works properly.""" import logging import os import matplotlib from matplotlib import pylab from mobly import test_runner import numpy as np import its_base_test import camera_properties_utils import capture_request_utils import image_processing_utils import its_session_utils import opencv_processing_utils _EDGE_MODES = {'OFF': 0, 'FAST': 1, 'HQ': 2} _NAME = os.path.splitext(os.path.basename(__file__))[0] _NUM_SAMPLES = 4 _SHARPNESS_RTOL = 0.1 def plot_results(modes, sharpness_values, name_with_log_path): """Plot the results. Args: modes: integer edge mode values sharpness_values: float values of sharpness name_with_log_path: file name with log_path for save location """ pylab.figure(_NAME) pylab.suptitle(_NAME) pylab.title(str(_EDGE_MODES)) pylab.xlabel('Edge Enhancement Mode') pylab.ylabel('Image Sharpness') pylab.xticks(modes) pylab.plot(modes, sharpness_values, '-ro') matplotlib.pyplot.savefig(f'{name_with_log_path}_plot.png') def do_capture_and_determine_sharpness( cam, edge_mode, sensitivity, exp, fd, out_surface, chart, name_with_log_path): """Return sharpness of the output image and the capture result metadata. Processes a capture request with a given edge mode, sensitivity, exposure time, focus distance, output surface parameter. Args: cam: An open device session. edge_mode: Edge mode for the request as defined in android.edge.mode sensitivity: Sensitivity for the request as defined in android.sensor.sensitivity exp: Exposure time for the request as defined in android.sensor.exposureTime. fd: Focus distance for the request as defined in android.lens.focusDistance out_surface: Specifications of the output image format and size. chart: object that contains chart information name_with_log_path: file name with log_path to write result images Returns: Object containing reported edge mode and the sharpness of the output image, keyed by the following strings: edge_mode sharpness """ req = capture_request_utils.manual_capture_request(sensitivity, exp) req['android.lens.focusDistance'] = fd req['android.edge.mode'] = edge_mode sharpness_list = [] for n in range(_NUM_SAMPLES): cap = capture_request_utils.stationary_lens_capture(cam, req, out_surface) y, _, _ = image_processing_utils.convert_capture_to_planes(cap) chart.img = image_processing_utils.get_image_patch( y, chart.xnorm, chart.ynorm, chart.wnorm, chart.hnorm) if n == 0: image_processing_utils.write_image( chart.img, f'{name_with_log_path}_edge={edge_mode}.jpg') edge_mode_res = cap['metadata']['android.edge.mode'] sharpness_list.append( image_processing_utils.compute_image_sharpness(chart.img)*255) logging.debug('edge mode: %d, sharpness values: %s', edge_mode_res, sharpness_list) return {'edge_mode': edge_mode_res, 'sharpness': np.mean(sharpness_list)} class EdgeEnhancementTest(its_base_test.ItsBaseTest): """Test that the android.edge.mode param is applied correctly. Capture non-reprocess images for each edge mode and calculate their sharpness as a baseline. """ def test_edge_enhancement(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) name_with_log_path = os.path.join(self.log_path, _NAME) # Check skip conditions camera_properties_utils.skip_unless( camera_properties_utils.read_3a(props) and camera_properties_utils.per_frame_control(props) and camera_properties_utils.edge_mode(props, 0)) # Load chart for scene its_session_utils.load_scene( cam, props, self.scene, self.tablet, self.chart_distance) # Initialize chart class and locate chart in scene chart = opencv_processing_utils.Chart( cam, props, self.log_path, distance=self.chart_distance) # Define format fmt = 'yuv' size = capture_request_utils.get_available_output_sizes(fmt, props)[0] out_surface = {'width': size[0], 'height': size[1], 'format': fmt} logging.debug('%s: %dx%d', fmt, size[0], size[1]) # Get proper sensitivity, exposure time, and focus distance. mono_camera = camera_properties_utils.mono_camera(props) s, e, _, _, fd = cam.do_3a(get_results=True, mono_camera=mono_camera) logging.debug('iso: %d, exp: %d, fd: %.3f', s, e, fd) # Get the sharpness for each edge mode for regular requests sharpness_regular = [] edge_mode_reported_regular = [] for edge_mode in _EDGE_MODES.values(): # Skip unavailable modes if not camera_properties_utils.edge_mode(props, edge_mode): edge_mode_reported_regular.append(edge_mode) sharpness_regular.append(0) continue ret = do_capture_and_determine_sharpness( cam, edge_mode, s, e, fd, out_surface, chart, name_with_log_path) edge_mode_reported_regular.append(ret['edge_mode']) sharpness_regular.append(ret['sharpness']) logging.debug('Reported edge modes: %s', edge_mode_reported_regular) logging.debug('Sharpness with EE mode [0,1,2,3]: %s', str(sharpness_regular)) plot_results( edge_mode_reported_regular, sharpness_regular, name_with_log_path) logging.debug('Verify HQ is sharper than OFF') if (sharpness_regular[_EDGE_MODES['HQ']] <= sharpness_regular[_EDGE_MODES['OFF']]): raise AssertionError( f"HQ: {sharpness_regular[_EDGE_MODES['HQ']]:.3f}, " f"OFF: {sharpness_regular[_EDGE_MODES['OFF']]:.3f}") logging.debug('Verify OFF is not sharper than FAST') if (sharpness_regular[_EDGE_MODES['FAST']] <= sharpness_regular[_EDGE_MODES['OFF']]*(1.0-_SHARPNESS_RTOL)): raise AssertionError( f"FAST: {sharpness_regular[_EDGE_MODES['FAST']]:.3f}, " f"OFF: {sharpness_regular[_EDGE_MODES['OFF']]:.3f}, " f"RTOL: {_SHARPNESS_RTOL}") logging.debug('Verify FAST is not sharper than HQ') if (sharpness_regular[_EDGE_MODES['HQ']] <= sharpness_regular[_EDGE_MODES['FAST']]*(1.0-_SHARPNESS_RTOL)): raise AssertionError( f"HQ: {sharpness_regular[_EDGE_MODES['HQ']]:.3f}, " f"FAST: {sharpness_regular[_EDGE_MODES['FAST']]:.3f}, " f"RTOL: {_SHARPNESS_RTOL}") if __name__ == '__main__': test_runner.main()