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 bluetooth record test using the Chameleon board.""" 6 7 import logging 8 import os 9 import time, threading 10 11 from autotest_lib.client.bin import utils 12 from autotest_lib.client.common_lib import error 13 from autotest_lib.client.cros.audio import audio_test_data 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_AudioBasicBluetoothRecord(audio_test.AudioTest): 21 """Server side bluetooth record audio test. 22 23 This test talks to a Chameleon board and a Cros device to verify 24 bluetooth record audio function of the Cros device. 25 26 """ 27 version = 1 28 DELAY_AFTER_DISABLING_MODULE_SECONDS = 30 29 DELAY_AFTER_DISCONNECT_SECONDS = 5 30 DELAY_AFTER_ENABLING_MODULE_SECONDS = 10 31 DELAY_AFTER_RECONNECT_SECONDS = 5 32 DELAY_BEFORE_RECORD_SECONDS = 0.5 33 RECORD_SECONDS = 5 34 SUSPEND_SECONDS = 30 35 RESUME_TIMEOUT_SECS = 60 36 PRC_RECONNECT_TIMEOUT = 60 37 BLUETOOTH_RECONNECT_TIMEOUT_SECS = 30 38 39 def disconnect_connect_bt(self, link): 40 """Performs disconnect and connect BT module 41 42 @param link: binder link to control BT adapter 43 44 """ 45 46 logging.info("Disconnecting BT module...") 47 link.adapter_disconnect_module() 48 time.sleep(self.DELAY_AFTER_DISCONNECT_SECONDS) 49 if audio_test_utils.has_internal_microphone(self.host): 50 audio_test_utils.check_audio_nodes(self.audio_facade, 51 (None, ['INTERNAL_MIC'])) 52 logging.info("Connecting BT module...") 53 link.adapter_connect_module() 54 time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS) 55 56 57 def disable_enable_bt(self, link): 58 """Performs turn off and then on BT module 59 60 @param link: binder link to control BT adapter 61 62 """ 63 64 logging.info("Turning off BT module...") 65 link.disable_bluetooth_module() 66 time.sleep(self.DELAY_AFTER_DISABLING_MODULE_SECONDS) 67 if audio_test_utils.has_internal_microphone(self.host): 68 audio_test_utils.check_audio_nodes(self.audio_facade, 69 (None, ['INTERNAL_MIC'])) 70 logging.info("Turning on BT module...") 71 link.enable_bluetooth_module() 72 time.sleep(self.DELAY_AFTER_ENABLING_MODULE_SECONDS) 73 logging.info("Connecting BT module...") 74 link.adapter_connect_module() 75 time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS) 76 77 78 def bluetooth_nodes_plugged(self): 79 """Checks if bluetooth nodes are plugged. 80 81 @returns: True if bluetooth nodes are plugged. False otherwise. 82 83 """ 84 return audio_test_utils.bluetooth_nodes_plugged(self.audio_facade) 85 86 87 def dump_logs_after_nodes_changed(self): 88 """Dumps the log after unexpected NodesChanged signal happens.""" 89 audio_test_utils.dump_cros_audio_logs( 90 self.host, self.audio_facade, self.resultsdir, 91 'after_nodes_changed') 92 93 94 def run_once(self, host, suspend=False, 95 disable=False, disconnect=False, check_quality=False): 96 """Running Bluetooth basic audio tests 97 98 @param host: device under test host 99 @param suspend: suspend flag to enable suspend before play/record 100 @param disable: disable flag to disable BT module before play/record 101 @param disconnect: disconnect flag to disconnect BT module 102 before play/record 103 @param check_quality: flag to check audio quality. 104 105 """ 106 107 self.host = host 108 golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE 109 110 factory = self.create_remote_facade_factory(host) 111 self.audio_facade = factory.create_audio_facade() 112 113 chameleon_board = host.chameleon 114 chameleon_board.reset() 115 116 widget_factory = chameleon_audio_helper.AudioWidgetFactory( 117 factory, host) 118 119 source = widget_factory.create_widget( 120 chameleon_audio_ids.ChameleonIds.LINEOUT) 121 bluetooth_widget = widget_factory.create_widget( 122 chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_TX) 123 recorder = widget_factory.create_widget( 124 chameleon_audio_ids.CrosIds.BLUETOOTH_MIC) 125 126 binder = widget_factory.create_binder( 127 source, bluetooth_widget, recorder) 128 129 with chameleon_audio_helper.bind_widgets(binder): 130 131 audio_test_utils.dump_cros_audio_logs( 132 host, self.audio_facade, self.resultsdir, 'after_binding') 133 134 if audio_test_utils.has_internal_microphone(host): 135 # Checks the input node selected by Cras is internal microphone. 136 # Checks crbug.com/495537 for the reason to lower bluetooth 137 # microphone priority. 138 audio_test_utils.check_audio_nodes(self.audio_facade, 139 (None, ['INTERNAL_MIC'])) 140 141 # Selects bluetooth mic to be the active input node. 142 self.audio_facade.set_chrome_active_node_type(None, 'BLUETOOTH') 143 144 # Checks the node selected by Cras is correct again. 145 audio_test_utils.check_audio_nodes(self.audio_facade, 146 (None, ['BLUETOOTH'])) 147 148 # Starts playing, waits for some time, and then starts recording. 149 # This is to avoid artifact caused by codec initialization. 150 source.set_playback_data(golden_file) 151 152 # Create link to control BT adapter. 153 link = binder.get_binders()[1].get_link() 154 155 if disable: 156 self.disable_enable_bt(link) 157 if disconnect: 158 self.disconnect_connect_bt(link) 159 if suspend: 160 audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS) 161 162 utils.poll_for_condition(condition=factory.ready, 163 timeout=self.PRC_RECONNECT_TIMEOUT, 164 desc='multimedia server reconnect') 165 166 if disable or disconnect or suspend: 167 audio_test_utils.dump_cros_audio_logs( 168 host, self.audio_facade, self.resultsdir, 169 'after_action') 170 171 # Gives DUT some time to auto-reconnect bluetooth after resume. 172 if suspend: 173 utils.poll_for_condition( 174 condition=self.bluetooth_nodes_plugged, 175 timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS, 176 desc='bluetooth node auto-reconnect after suspend') 177 178 if audio_test_utils.has_internal_microphone(host): 179 # Select again BT input as default input node is INTERNAL_MIC 180 self.audio_facade.set_chrome_active_node_type(None, 'BLUETOOTH') 181 182 with audio_test_utils.monitor_no_nodes_changed( 183 self.audio_facade, self.dump_logs_after_nodes_changed): 184 audio_test_utils.check_audio_nodes(self.audio_facade, 185 (None, ['BLUETOOTH'])) 186 187 logging.info('Start playing %s on Chameleon', 188 golden_file.path) 189 source.start_playback() 190 191 time.sleep(self.DELAY_BEFORE_RECORD_SECONDS) 192 logging.info('Start recording from Cros device.') 193 recorder.start_recording() 194 195 time.sleep(self.RECORD_SECONDS) 196 197 recorder.stop_recording() 198 logging.info('Stopped recording from Cros device.') 199 200 audio_test_utils.dump_cros_audio_logs( 201 host, self.audio_facade, self.resultsdir, 202 'after_recording') 203 204 recorder.read_recorded_binary() 205 logging.info('Read recorded binary from Chameleon.') 206 207 recorded_file = os.path.join(self.resultsdir, "recorded.raw") 208 logging.info('Saving recorded data to %s', recorded_file) 209 recorder.save_file(recorded_file) 210 211 # Removes the beginning of recorded data. This is to avoid artifact 212 # caused by bluetooth module initialization in the beginning of 213 # its playback. 214 recorder.remove_head(0.5) 215 216 recorded_file = os.path.join(self.resultsdir, "recorded_clipped.raw") 217 logging.info('Saving clipped data to %s', recorded_file) 218 recorder.save_file(recorded_file) 219 220 # Compares data by frequency. Audio signal recorded by microphone has 221 # gone through analog processing and through the air. 222 # This suffers from codec artifacts and noise on the path. 223 # Comparing data by frequency is more robust than comparing by 224 # correlation, which is suitable for fully-digital audio path like USB 225 # and HDMI. 226 audio_test_utils.check_recorded_frequency( 227 golden_file, recorder, check_anomaly=check_quality, 228 second_peak_ratio=audio_test_utils.HSP_SECOND_PEAK_RATIO) 229
