1 # Copyright 2015 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 """This is a server side audio test using the Chameleon board.""" 6 7 import logging 8 import os 9 import tempfile 10 import time 11 import threading 12 13 from autotest_lib.client.common_lib import error, file_utils 14 from autotest_lib.client.cros.chameleon import audio_test_utils 15 from autotest_lib.client.cros.chameleon import chameleon_audio_helper 16 from autotest_lib.client.cros.chameleon import chameleon_audio_ids 17 from autotest_lib.server.cros.audio import audio_test 18 from autotest_lib.server.cros.multimedia import remote_facade_factory 19 20 21 class audio_AudioQualityAfterSuspend(audio_test.AudioTest): 22 """Server side audio test. 23 24 This test talks to a Chameleon board and a Cros device to verify 25 audio function of the Cros device after suspend/resume. 26 27 """ 28 version = 1 29 RECORD_SECONDS = 10 30 RESUME_TIMEOUT_SECS = 60 31 SHORT_WAIT = 4 32 SUSPEND_SECONDS = 30 33 34 35 def action_suspend(self, suspend_time=SUSPEND_SECONDS): 36 """Calls the host method suspend. 37 38 @param suspend_time: time to suspend the device for. 39 40 """ 41 self.host.suspend(suspend_time=suspend_time) 42 43 44 def suspend_resume(self): 45 """Performs suspend/resume.""" 46 47 # Suspend 48 boot_id = self.host.get_boot_id() 49 thread = threading.Thread(target=self.action_suspend) 50 thread.start() 51 52 logging.info('Suspend start....') 53 self.host.test_wait_for_sleep(self.SUSPEND_SECONDS / 3) 54 logging.info('Waiting for resume....') 55 self.host.test_wait_for_resume(boot_id, self.RESUME_TIMEOUT_SECS) 56 logging.info('Resume complete....') 57 58 59 def check_correct_audio_node_selected(self): 60 """Checks the node selected by Cras is correct.""" 61 audio_test_utils.check_audio_nodes(self.audio_facade, self.audio_nodes) 62 63 64 def play_and_record(self, recorder_widget): 65 """Plays and records audio 66 67 @param recorder_widget: widget to do the recording 68 69 """ 70 audio_test_utils.dump_cros_audio_logs( 71 self.host, self.audio_facade, self.resultsdir, 72 'before_playback') 73 74 self.check_correct_audio_node_selected() 75 76 browser_facade = self.factory.create_browser_facade() 77 78 host_file = os.path.join('/tmp', 79 os.path.basename(self.test_playback_file)) 80 with tempfile.NamedTemporaryFile() as tmpfile: 81 file_utils.download_file(self.test_playback_file, tmpfile.name) 82 os.chmod(tmpfile.name, 0444) 83 self.host.send_file(tmpfile.name, host_file) 84 logging.debug('Copied the file on the DUT at %s', host_file) 85 86 # Play, wait for some time, and then start recording. 87 # This is to avoid artifact caused by codec initialization. 88 browser_facade.new_tab('file://' + host_file) 89 logging.info('Start playing %s on Cros device', host_file) 90 91 time.sleep(self.SHORT_WAIT) 92 logging.debug('Suspend.') 93 self.suspend_resume() 94 logging.debug('Resume.') 95 time.sleep(self.SHORT_WAIT) 96 logging.debug('Start recording.') 97 recorder_widget.start_recording() 98 99 time.sleep(self.RECORD_SECONDS) 100 101 recorder_widget.stop_recording() 102 logging.debug('Stopped recording.') 103 104 audio_test_utils.dump_cros_audio_logs( 105 self.host, self.audio_facade, self.resultsdir, 106 'after_recording') 107 108 recorder_widget.read_recorded_binary() 109 110 111 def save_and_check_data(self, recorder_widget): 112 """Saves and checks the data from the recorder 113 114 @param recorder_widget: recorder widget to save data from 115 116 """ 117 recorded_file = os.path.join(self.resultsdir, 'recorded.raw') 118 logging.debug('Saving recorded data to %s', recorded_file) 119 recorder_widget.save_file(recorded_file) 120 121 # Removes the beginning of recorded data. This is to avoid artifact 122 # caused by codec initialization in the beginning of 123 # recording. 124 recorder_widget.remove_head(2.0) 125 126 # Removes noise by a lowpass filter. 127 recorder_widget.lowpass_filter(self.lowpass_freq) 128 recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw') 129 logging.debug('Saving filtered data to %s', recorded_file) 130 recorder_widget.save_file(recorded_file) 131 132 # Compares data by frequency and returns the result. 133 audio_test_utils.check_recorded_frequency( 134 self.audio_test_data, recorder_widget, 135 second_peak_ratio=self.second_peak_ratio, 136 ignore_frequencies=self.ignore_frequencies, 137 check_anomaly=True) 138 139 140 def run_once(self, host, audio_nodes, audio_test_data, test_playback_file, 141 lowpass_freq=None, 142 bind_from=None, bind_to=None, 143 source=None, recorder=None, 144 tag=None): 145 """Runs the test main workflow 146 147 @param host: A host object representing the DUT. 148 @param audio_nodes: audio nodes supposed to be selected. 149 @param audio_test_data: audio test frequency defined in audio_test_data 150 @param test_playback_file: audio media file(wav, mp3,...) to be used 151 for testing 152 @param lowpass_freq: frequency noise filter. 153 @param bind_from: audio originating entity to be binded 154 should be defined in chameleon_audio_ids 155 @param bind_to: audio directed_to entity to be binded 156 should be defined in chameleon_audio_ids 157 @param source: source widget entity 158 should be defined in chameleon_audio_ids 159 @param recorder: recorder widget entity 160 should be defined in chameleon_audio_ids 161 162 """ 163 self.host = host 164 self.audio_nodes = audio_nodes 165 166 if (not audio_test_utils.has_internal_speaker(host) and 167 tag == "internal_speaker"): 168 return 169 170 self.second_peak_ratio = audio_test_utils.get_second_peak_ratio( 171 source_id=source, 172 recorder_id=recorder) 173 174 self.ignore_frequencies = None 175 if source == chameleon_audio_ids.CrosIds.SPEAKER: 176 self.ignore_frequencies = [50, 60] 177 178 self.audio_test_data = audio_test_data 179 self.lowpass_freq = lowpass_freq 180 self.test_playback_file = test_playback_file 181 chameleon_board = self.host.chameleon 182 self.factory = remote_facade_factory.RemoteFacadeFactory( 183 self.host, results_dir=self.resultsdir) 184 self.audio_facade = self.factory.create_audio_facade() 185 chameleon_board.setup_and_reset(self.outputdir) 186 widget_factory = chameleon_audio_helper.AudioWidgetFactory( 187 self.factory, host) 188 189 # Two widgets are binded in the factory if necessary. 190 binder_widget = None 191 source_widget = None 192 recorder_widget = None 193 if bind_from != None and bind_to != None: 194 source_widget = widget_factory.create_widget(bind_from) 195 recorder_widget = widget_factory.create_widget(bind_to) 196 binder_widget = widget_factory.create_binder(source_widget, 197 recorder_widget) 198 elif source != None and recorder != None: 199 source_widget = widget_factory.create_widget(source) 200 recorder_widget = widget_factory.create_widget(recorder) 201 else: 202 raise error.TestError('Test configuration or setup problem.') 203 204 self.audio_board = chameleon_board.get_audio_board() 205 206 if binder_widget: 207 # Headphone test which requires Chameleon LINEIN and DUT headphones 208 # binding. 209 with chameleon_audio_helper.bind_widgets(binder_widget): 210 self.play_and_record(recorder_widget) 211 else: 212 # Internal speakers test. 213 self.play_and_record(recorder_widget) 214 215 self.save_and_check_data(recorder_widget) 216
