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 19 20 class audio_AudioQualityAfterSuspend(audio_test.AudioTest): 21 """Server side audio test. 22 23 This test talks to a Chameleon board and a Cros device to verify 24 audio function of the Cros device after suspend/resume. 25 26 """ 27 version = 1 28 RECORD_SECONDS = 10 29 RESUME_TIMEOUT_SECS = 60 30 SHORT_WAIT = 4 31 SUSPEND_SECONDS = 30 32 33 34 def action_suspend(self, suspend_time=SUSPEND_SECONDS): 35 """Calls the host method suspend. 36 37 @param suspend_time: time to suspend the device for. 38 39 """ 40 self.host.suspend(suspend_time=suspend_time) 41 42 43 def suspend_resume(self): 44 """Performs suspend/resume.""" 45 46 # Suspend 47 boot_id = self.host.get_boot_id() 48 thread = threading.Thread(target=self.action_suspend) 49 thread.start() 50 51 logging.info('Suspend start....') 52 self.host.test_wait_for_sleep(self.SUSPEND_SECONDS / 3) 53 logging.info('Waiting for resume....') 54 self.host.test_wait_for_resume(boot_id, self.RESUME_TIMEOUT_SECS) 55 logging.info('Resume complete....') 56 57 58 def check_correct_audio_node_selected(self): 59 """Checks the node selected by Cras is correct.""" 60 audio_test_utils.check_audio_nodes(self.audio_facade, self.audio_nodes) 61 62 63 def play_and_record(self, recorder_widget): 64 """Plays and records audio 65 66 @param recorder_widget: widget to do the recording 67 68 """ 69 audio_test_utils.dump_cros_audio_logs( 70 self.host, self.audio_facade, self.resultsdir, 71 'before_playback') 72 73 self.check_correct_audio_node_selected() 74 75 browser_facade = self.factory.create_browser_facade() 76 77 host_file = os.path.join('/tmp', 78 os.path.basename(self.test_playback_file)) 79 with tempfile.NamedTemporaryFile() as tmpfile: 80 file_utils.download_file(self.test_playback_file, tmpfile.name) 81 os.chmod(tmpfile.name, 0444) 82 self.host.send_file(tmpfile.name, host_file) 83 logging.debug('Copied the file on the DUT at %s', host_file) 84 85 # Play, wait for some time, and then start recording. 86 # This is to avoid artifact caused by codec initialization. 87 browser_facade.new_tab('file://' + host_file) 88 logging.info('Start playing %s on Cros device', host_file) 89 90 time.sleep(self.SHORT_WAIT) 91 logging.debug('Suspend.') 92 self.suspend_resume() 93 logging.debug('Resume.') 94 time.sleep(self.SHORT_WAIT) 95 logging.debug('Start recording.') 96 recorder_widget.start_recording() 97 98 time.sleep(self.RECORD_SECONDS) 99 100 recorder_widget.stop_recording() 101 logging.debug('Stopped recording.') 102 103 audio_test_utils.dump_cros_audio_logs( 104 self.host, self.audio_facade, self.resultsdir, 105 'after_recording') 106 107 recorder_widget.read_recorded_binary() 108 109 110 def save_and_check_data(self, recorder_widget): 111 """Saves and checks the data from the recorder 112 113 @param recorder_widget: recorder widget to save data from 114 115 """ 116 recorded_file = os.path.join(self.resultsdir, 'recorded.raw') 117 logging.debug('Saving recorded data to %s', recorded_file) 118 recorder_widget.save_file(recorded_file) 119 120 # Removes the beginning of recorded data. This is to avoid artifact 121 # caused by codec initialization in the beginning of 122 # recording. 123 recorder_widget.remove_head(2.0) 124 125 # Removes noise by a lowpass filter. 126 recorder_widget.lowpass_filter(self.lowpass_freq) 127 recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw') 128 logging.debug('Saving filtered data to %s', recorded_file) 129 recorder_widget.save_file(recorded_file) 130 131 # Compares data by frequency and returns the result. 132 audio_test_utils.check_recorded_frequency( 133 self.audio_test_data, recorder_widget, 134 second_peak_ratio=self.second_peak_ratio, 135 ignore_frequencies=self.ignore_frequencies, 136 check_anomaly=True) 137 138 139 def run_once(self, host, audio_nodes, audio_test_data, test_playback_file, 140 lowpass_freq=None, 141 bind_from=None, bind_to=None, 142 source=None, recorder=None, 143 tag=None): 144 """Runs the test main workflow 145 146 @param host: A host object representing the DUT. 147 @param audio_nodes: audio nodes supposed to be selected. 148 @param audio_test_data: audio test frequency defined in audio_test_data 149 @param test_playback_file: audio media file(wav, mp3,...) to be used 150 for testing 151 @param lowpass_freq: frequency noise filter. 152 @param bind_from: audio originating entity to be binded 153 should be defined in chameleon_audio_ids 154 @param bind_to: audio directed_to entity to be binded 155 should be defined in chameleon_audio_ids 156 @param source: source widget entity 157 should be defined in chameleon_audio_ids 158 @param recorder: recorder widget entity 159 should be defined in chameleon_audio_ids 160 161 """ 162 self.host = host 163 self.audio_nodes = audio_nodes 164 165 if (not audio_test_utils.has_internal_speaker(host) and 166 tag == "internal_speaker"): 167 return 168 169 self.second_peak_ratio = audio_test_utils.DEFAULT_SECOND_PEAK_RATIO 170 self.ignore_frequencies = None 171 if source == chameleon_audio_ids.CrosIds.SPEAKER: 172 self.second_peak_ratio = 0.1 173 self.ignore_frequencies = [50, 60] 174 175 self.audio_test_data = audio_test_data 176 self.lowpass_freq = lowpass_freq 177 self.test_playback_file = test_playback_file 178 chameleon_board = self.host.chameleon 179 self.factory = self.create_remote_facade_factory(self.host) 180 self.audio_facade = self.factory.create_audio_facade() 181 chameleon_board.reset() 182 widget_factory = chameleon_audio_helper.AudioWidgetFactory( 183 self.factory, host) 184 185 # Two widgets are binded in the factory if necessary. 186 binder_widget = None 187 source_widget = None 188 recorder_widget = None 189 if bind_from != None and bind_to != None: 190 source_widget = widget_factory.create_widget(bind_from) 191 recorder_widget = widget_factory.create_widget(bind_to) 192 binder_widget = widget_factory.create_binder(source_widget, 193 recorder_widget) 194 elif source != None and recorder != None: 195 source_widget = widget_factory.create_widget(source) 196 recorder_widget = widget_factory.create_widget(recorder) 197 else: 198 raise error.TestError('Test configuration or setup problem.') 199 200 self.audio_board = chameleon_board.get_audio_board() 201 202 if binder_widget: 203 # Headphone test which requires Chameleon LINEIN and DUT headphones 204 # binding. 205 with chameleon_audio_helper.bind_widgets(binder_widget): 206 self.play_and_record(recorder_widget) 207 else: 208 # Internal speakers test. 209 self.play_and_record(recorder_widget) 210 211 self.save_and_check_data(recorder_widget) 212
