def run_once(self, host, golden_data, audio_nodes, bind_from=None,
bind_to=None, source=None, recorder=None, is_internal=False,
cfm_speaker=False):
"""Runs the test main workflow.
@param host: A host object representing the DUT.
@param golden_data: audio file and low pass filter frequency
the audio file should be test data defined in audio_test_data
@param audio_nodes: audio nodes supposed to be selected
@param bind_from: audio originating entity to be binded
should be defined in chameleon_audio_ids
@param bind_to: audio directed_to entity to be binded
should be defined in chameleon_audio_ids
@param source: source widget entity
should be defined in chameleon_audio_ids
@param recorder: recorder widget entity
should be defined in chameleon_audio_ids
@param is_internal: whether internal audio is tested flag
@param cfm_speaker: whether cfm_speaker's audio is tested which is an
external USB speaker on CFM (ChromeBox For Meetings) devices.
"""
if (recorder == chameleon_audio_ids.CrosIds.INTERNAL_MIC and
(not cfm_speaker and
not audio_test_utils.has_internal_microphone(host))):
return
if (source == chameleon_audio_ids.CrosIds.SPEAKER and
(not cfm_speaker and
not audio_test_utils.has_internal_speaker(host))):
return
self.host = host
self.audio_nodes = audio_nodes
self.golden_file, self.low_pass_freq = golden_data
chameleon_board = self.host.chameleon
self.factory = remote_facade_factory.RemoteFacadeFactory(
self.host, results_dir=self.resultsdir)
self.audio_facade = self.factory.create_audio_facade()
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
self.factory, host)
self.audio_board = chameleon_board.get_audio_board()
self.widget_link = None
self.use_audio_bus = False
self.second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source,
recorder_id=recorder)
self.ignore_frequencies = None
if source == chameleon_audio_ids.CrosIds.SPEAKER:
self.ignore_frequencies = [50, 60]
# Two widgets are binded in the factory if necessary
binder_widget = None
bind_from_widget = None
bind_to_widget = None
if bind_from != None and bind_to != None:
bind_from_widget = widget_factory.create_widget(bind_from)
bind_to_widget = widget_factory.create_widget(bind_to)
binder_widget = widget_factory.create_binder(bind_from_widget,
bind_to_widget)
self.widget_link = binder_widget.get_link()
if isinstance(self.widget_link, audio_widget_link.AudioBusLink):
self.use_audio_bus = True
# Additional widgets that could be part of the factory
if source == None:
source_widget = bind_from_widget
else:
source_widget = widget_factory.create_widget(source)
if recorder == None:
recorder_widget = bind_to_widget
else:
recorder_widget = widget_factory.create_widget(recorder)
# Plug for external audio
self.action_plug_jack(not is_internal)
# Play only, reboot, then play and record.
if binder_widget != None:
with chameleon_audio_helper.bind_widgets(binder_widget):
time.sleep(self.DELAY_AFTER_BINDING)
self.play_reboot_play_and_record(source_widget, recorder_widget)
else:
self.play_reboot_play_and_record(source_widget, recorder_widget)
self.save_and_check_data(recorder_widget)
def run_once(self, host, source_id, sink_id, recorder_id, volume_spec,
golden_file, switch_hsp=False):
"""Running audio volume test.
@param host: device under test CrosHost
@param source_id: An ID defined in chameleon_audio_ids for source.
@param sink_id: An ID defined in chameleon_audio_ids for sink if needed.
Currently this is only used on bluetooth.
@param recorder: An ID defined in chameleon_audio_ids for recording.
@param volume_spec: A tuple (low_volume, high_volume, highest_ratio).
Low volume and high volume specifies the two volumes
used in the test, and highest_ratio speficies the
highest acceptable value for
recorded_volume_low / recorded_volume_high.
For example, (50, 100, 0.2) asserts that
(recorded magnitude at volume 50) should be lower
than (recorded magnitude at volume 100) * 0.2.
@param golden_file: A test file defined in audio_test_data.
@param switch_hsp: Run a recording process on Cros device. This is
to trigger Cros switching from A2DP to HSP.
"""
if (source_id == chameleon_audio_ids.CrosIds.SPEAKER and
not audio_test_utils.has_internal_speaker(host)):
return
chameleon_board = host.chameleon
factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir)
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(source_id)
recorder = widget_factory.create_widget(recorder_id)
# Chameleon Mic does not need binding.
binding = (recorder_id != chameleon_audio_ids.ChameleonIds.MIC)
binder = None
if binding:
if sink_id:
sink = widget_factory.create_widget(sink_id)
binder = widget_factory.create_binder(source, sink, recorder)
else:
binder = widget_factory.create_binder(source, recorder)
low_volume, high_volume, highest_ratio = volume_spec
ignore_frequencies = [50, 60]
second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source_id,
recorder_id=recorder_id,
is_hsp=switch_hsp)
with chameleon_audio_helper.bind_widgets(binder):
# Checks the node selected by cras is correct.
time.sleep(self.DELAY_AFTER_BINDING)
audio_facade = factory.create_audio_facade()
audio_test_utils.dump_cros_audio_logs(
host, audio_facade, self.resultsdir, 'after_binding')
audio_test_utils.check_output_port(audio_facade, source.port_id)
if switch_hsp:
audio_test_utils.switch_to_hsp(audio_facade)
logging.info('Setting playback data on Cros device')
source.set_playback_data(golden_file)
def playback_record(tag):
"""Playback and record.
@param tag: file name tag.
"""
logging.info('Start recording from Chameleon.')
recorder.start_recording()
logging.info('Start playing %s on Cros device',
golden_file.path)
source.start_playback()
time.sleep(self.RECORD_SECONDS)
recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
audio_test_utils.dump_cros_audio_logs(
host, audio_facade, self.resultsdir,
'after_recording_' + 'tag')
source.stop_playback()
recorder.read_recorded_binary()
logging.info('Read recorded binary from Chameleon.')
recorded_file = os.path.join(
self.resultsdir, "recorded_%s.raw" % tag)
logging.info('Saving recorded data to %s', recorded_file)
recorder.save_file(recorded_file)
recorder.remove_head(0.5)
audio_facade.set_chrome_active_volume(low_volume)
playback_record('low')
low_dominant_spectrals = audio_test_utils.check_recorded_frequency(
golden_file, recorder,
second_peak_ratio=second_peak_ratio,
ignore_frequencies=ignore_frequencies)
audio_facade.set_chrome_active_volume(high_volume)
playback_record('high')
high_dominant_spectrals = audio_test_utils.check_recorded_frequency(
golden_file, recorder,
second_peak_ratio=second_peak_ratio,
ignore_frequencies=ignore_frequencies)
error_messages = []
logging.info('low_dominant_spectrals: %s', low_dominant_spectrals)
logging.info('high_dominant_spectrals: %s', high_dominant_spectrals)
for channel in xrange(len(low_dominant_spectrals)):
_, low_coeff = low_dominant_spectrals[channel]
_, high_coeff = high_dominant_spectrals[channel]
ratio = low_coeff / high_coeff
logging.info('Channel %d volume(at %f) / volume(at %f) = %f',
channel, low_volume, high_volume, ratio)
if ratio > highest_ratio:
error_messages.append(
'Channel %d volume ratio: %f is incorrect.' % (
channel, ratio))
if error_messages:
raise error.TestFail(
'Failed volume check: %s' % ' '.join(error_messages))
def run_once(self,
host,
source_id,
sink_id,
recorder_id,
golden_file,
switch_hsp=False):
"""Runs record test through ARC on Cros device.
@param host: device under test, a CrosHost.
@param source_id: An ID defined in chameleon_audio_ids for source.
@param sink_id: An ID defined in chameleon_audio_ids for sink if needed.
Currently this is only used on bluetooth.
@param recorder_id: An ID defined in chameleon_audio_ids for recording.
@param golden_file: A test file defined in audio_test_data.
@param switch_hsp: Run a recording process on Cros device. This is
to trigger Cros switching from A2DP to HSP.
"""
self.host = host
if (source_id == chameleon_audio_ids.CrosIds.INTERNAL_MIC
and not audio_test_utils.has_internal_microphone(host)):
return
self.client_at = None
# Runs a client side test to start Chrome and install microphone app.
self.setup_microphone_app()
# Do not start Chrome because client side test had started it.
# Do not install autotest because client side test had installed it.
factory = remote_facade_factory.RemoteFacadeFactory(
host,
no_chrome=True,
install_autotest=False,
results_dir=self.resultsdir)
# Setup Chameleon and create widgets.
host.chameleon.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(source_id)
recorder = widget_factory.create_widget(recorder_id, use_arc=True)
# Chameleon Mic does not need binding.
binding = (recorder_id != chameleon_audio_ids.ChameleonIds.MIC)
binder = None
if binding:
if sink_id:
sink = widget_factory.create_widget(sink_id)
binder = widget_factory.create_binder(source, sink, recorder)
else:
binder = widget_factory.create_binder(source, recorder)
# Second peak ratio is determined by quality of audio path.
second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source_id, recorder_id=recorder_id, is_hsp=switch_hsp)
# Wait this duration of time before stop recording.
wait_rec_secs = (arc_resource_common.MicrophoneProps.RECORD_SECS +
arc_resource_common.MicrophoneProps.RECORD_FUZZ_SECS)
with chameleon_audio_helper.bind_widgets(binder):
time.sleep(self.DELAY_AFTER_BINDING)
audio_facade = factory.create_audio_facade()
audio_test_utils.dump_cros_audio_logs(host, audio_facade,
self.resultsdir,
'after_binding')
# Checks the node selected by CRAS is correct.
audio_test_utils.check_input_port(audio_facade, recorder.port_id)
if switch_hsp:
audio_test_utils.switch_to_hsp(audio_facade)
logging.info('Setting playback data on Chameleon')
source.set_playback_data(golden_file)
logging.info('Start recording from Cros device.')
recorder.start_recording()
logging.info('Start playing %s on Chameleon', golden_file.path)
source.start_playback()
time.sleep(wait_rec_secs)
recorder.stop_recording()
logging.info('Stopped recording from Cros device.')
audio_test_utils.dump_cros_audio_logs(host, audio_facade,
self.resultsdir,
'after_recording')
recorder.read_recorded_binary()
logging.info('Read recorded binary from Cros.')
recorded_file = os.path.join(self.resultsdir, "recorded.raw")
logging.info('Saving recorded data to %s', recorded_file)
recorder.save_file(recorded_file)
audio_test_utils.check_recorded_frequency(
golden_file, recorder, second_peak_ratio=second_peak_ratio)
def run_once(self, host, audio_nodes, audio_test_data, test_playback_file,
lowpass_freq=None,
bind_from=None, bind_to=None,
source=None, recorder=None,
tag=None):
"""Runs the test main workflow
@param host: A host object representing the DUT.
@param audio_nodes: audio nodes supposed to be selected.
@param audio_test_data: audio test frequency defined in audio_test_data
@param test_playback_file: audio media file(wav, mp3,...) to be used
for testing
@param lowpass_freq: frequency noise filter.
@param bind_from: audio originating entity to be binded
should be defined in chameleon_audio_ids
@param bind_to: audio directed_to entity to be binded
should be defined in chameleon_audio_ids
@param source: source widget entity
should be defined in chameleon_audio_ids
@param recorder: recorder widget entity
should be defined in chameleon_audio_ids
"""
self.host = host
self.audio_nodes = audio_nodes
if (not audio_test_utils.has_internal_speaker(host) and
tag == "internal_speaker"):
return
self.second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source,
recorder_id=recorder)
self.ignore_frequencies = None
if source == chameleon_audio_ids.CrosIds.SPEAKER:
self.ignore_frequencies = [50, 60]
self.audio_test_data = audio_test_data
self.lowpass_freq = lowpass_freq
self.test_playback_file = test_playback_file
chameleon_board = self.host.chameleon
self.factory = remote_facade_factory.RemoteFacadeFactory(
self.host, results_dir=self.resultsdir)
self.audio_facade = self.factory.create_audio_facade()
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
self.factory, host)
# Two widgets are binded in the factory if necessary.
binder_widget = None
source_widget = None
recorder_widget = None
if bind_from != None and bind_to != None:
source_widget = widget_factory.create_widget(bind_from)
recorder_widget = widget_factory.create_widget(bind_to)
binder_widget = widget_factory.create_binder(source_widget,
recorder_widget)
elif source != None and recorder != None:
source_widget = widget_factory.create_widget(source)
recorder_widget = widget_factory.create_widget(recorder)
else:
raise error.TestError('Test configuration or setup problem.')
self.audio_board = chameleon_board.get_audio_board()
if binder_widget:
# Headphone test which requires Chameleon LINEIN and DUT headphones
# binding.
with chameleon_audio_helper.bind_widgets(binder_widget):
self.play_and_record(recorder_widget)
else:
# Internal speakers test.
self.play_and_record(recorder_widget)
self.save_and_check_data(recorder_widget)
def run_once(self,
host,
suspend=False,
disable=False,
disconnect=False,
check_quality=False):
"""Running Bluetooth basic audio tests
@param host: device under test host
@param suspend: suspend flag to enable suspend before play/record
@param disable: disable flag to disable BT module before play/record
@param disconnect: disconnect flag to disconnect BT module
before play/record
@param check_quality: flag to check audio quality.
"""
self.host = host
golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE
factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir)
self.audio_facade = factory.create_audio_facade()
chameleon_board = host.chameleon
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEOUT)
bluetooth_widget = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_TX)
recorder = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.BLUETOOTH_MIC)
binder = widget_factory.create_binder(source, bluetooth_widget,
recorder)
second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source.port_id,
recorder_id=recorder.port_id,
is_hsp=True)
with chameleon_audio_helper.bind_widgets(binder):
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir,
'after_binding')
# For DUTs with permanently connected audio jack cable
# Bluetooth output node should be selected explicitly.
output_nodes, _ = self.audio_facade.get_plugged_node_types()
audio_jack_plugged = False
if 'HEADPHONE' in output_nodes or 'LINEOUT' in output_nodes:
audio_jack_plugged = True
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['MIC']))
elif audio_test_utils.has_internal_microphone(host):
# Checks the input node selected by Cras is internal microphone.
# Checks crbug.com/495537 for the reason to lower bluetooth
# microphone priority.
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['INTERNAL_MIC']))
# Selects bluetooth mic to be the active input node.
if (audio_test_utils.has_internal_microphone(host)
or audio_jack_plugged):
self.audio_facade.set_chrome_active_node_type(
None, 'BLUETOOTH')
# Checks the node selected by Cras is correct again.
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['BLUETOOTH']))
# Starts playing, waits for some time, and then starts recording.
# This is to avoid artifact caused by codec initialization.
source.set_playback_data(golden_file)
# Create link to control BT adapter.
link = binder.get_binders()[1].get_link()
if disable:
self.disable_enable_bt(link)
if disconnect:
self.disconnect_connect_bt(link)
if suspend:
audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)
utils.poll_for_condition(condition=factory.ready,
timeout=self.PRC_RECONNECT_TIMEOUT,
desc='multimedia server reconnect')
if disable or disconnect or suspend:
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir,
'after_action')
# Gives DUT some time to auto-reconnect bluetooth after resume.
if suspend:
utils.poll_for_condition(
condition=self.bluetooth_nodes_plugged,
timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS,
desc='bluetooth node auto-reconnect after suspend')
if audio_test_utils.has_internal_microphone(host):
# Select again BT input as default input node is INTERNAL_MIC
self.audio_facade.set_chrome_active_node_type(
None, 'BLUETOOTH')
with audio_test_utils.monitor_no_nodes_changed(
self.audio_facade, self.dump_logs_after_nodes_changed):
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['BLUETOOTH']))
logging.info('Start playing %s on Chameleon', golden_file.path)
source.start_playback()
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Cros device.')
recorder.start_recording()
time.sleep(self.RECORD_SECONDS)
recorder.stop_recording()
logging.info('Stopped recording from Cros device.')
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir,
'after_recording')
recorder.read_recorded_binary()
logging.info('Read recorded binary from Chameleon.')
recorded_file = os.path.join(self.resultsdir, "recorded.raw")
logging.info('Saving recorded data to %s', recorded_file)
recorder.save_file(recorded_file)
# Removes the beginning of recorded data. This is to avoid artifact
# caused by bluetooth module initialization in the beginning of
# its playback.
recorder.remove_head(0.5)
recorded_file = os.path.join(self.resultsdir, "recorded_clipped.raw")
logging.info('Saving clipped data to %s', recorded_file)
recorder.save_file(recorded_file)
# Compares data by frequency. Audio signal recorded by microphone has
# gone through analog processing and through the air.
# This suffers from codec artifacts and noise on the path.
# Comparing data by frequency is more robust than comparing by
# correlation, which is suitable for fully-digital audio path like USB
# and HDMI.
audio_test_utils.check_recorded_frequency(
golden_file,
recorder,
check_anomaly=check_quality,
second_peak_ratio=second_peak_ratio)
def run_once(self,
host,
audio_nodes,
golden_data,
bind_from=None,
bind_to=None,
source=None,
recorder=None,
plug_status=None):
"""Runs the test main workflow
@param host: A host object representing the DUT.
@param audio_nodes: audio nodes supposed to be selected.
@param golden_data: audio file and low pass filter frequency
the audio file should be test data defined in audio_test_data
@param bind_from: audio originating entity to be binded
should be defined in chameleon_audio_ids
@param bind_to: audio directed_to entity to be binded
should be defined in chameleon_audio_ids
@param source: source widget entity
should be defined in chameleon_audio_ids
@param recorder: recorder widget entity
should be defined in chameleon_audio_ids
@param plug_status: audio channel plug unplug sequence
"""
if (recorder == chameleon_audio_ids.CrosIds.INTERNAL_MIC
and not audio_test_utils.has_internal_microphone(host)):
return
if (source == chameleon_audio_ids.CrosIds.SPEAKER
and not audio_test_utils.has_internal_speaker(host)):
return
self.host = host
self.audio_nodes = audio_nodes
self.second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=source, recorder_id=recorder)
self.ignore_frequencies = None
if source == chameleon_audio_ids.CrosIds.SPEAKER:
self.ignore_frequencies = [50, 60]
self.errors = []
self.golden_file, self.low_pass_freq = golden_data
chameleon_board = self.host.chameleon
self.factory = remote_facade_factory.RemoteFacadeFactory(
self.host, results_dir=self.resultsdir)
self.audio_facade = self.factory.create_audio_facade()
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
self.factory, host)
# Two widgets are binded in the factory if necessary
binder_widget = None
bind_from_widget = None
bind_to_widget = None
if bind_from != None and bind_to != None:
bind_from_widget = widget_factory.create_widget(bind_from)
bind_to_widget = widget_factory.create_widget(bind_to)
binder_widget = widget_factory.create_binder(
bind_from_widget, bind_to_widget)
# Additional widgets that could be part of the factory
if source == None:
source_widget = bind_from_widget
else:
source_widget = widget_factory.create_widget(source)
if recorder == None:
recorder_widget = bind_to_widget
else:
recorder_widget = widget_factory.create_widget(recorder)
self.audio_board = chameleon_board.get_audio_board()
test_index = 0
for (plugged_before_suspend, plugged_after_suspend,
plugged_before_resume, plugged_after_resume) in plug_status:
test_index += 1
test_case = (
'TEST CASE %d: %s > suspend > %s > %s > resume > %s' %
(test_index, 'PLUG' if plugged_before_suspend else 'UNPLUG',
'PLUG' if plugged_after_suspend else 'UNPLUG',
'PLUG' if plugged_before_resume else 'UNPLUG',
'PLUG' if plugged_after_resume else 'UNPLUG'))
logging.info(test_case)
# Plugged status before suspended
self.action_plug_jack(plugged_before_suspend)
self.suspend_resume(plugged_before_suspend, plugged_after_suspend,
plugged_before_resume, test_case)
# Active (plugged for external) state after resume
self.action_plug_jack(plugged_after_resume)
if binder_widget != None:
with chameleon_audio_helper.bind_widgets(binder_widget):
self.play_and_record(source_widget, recorder_widget)
else:
self.play_and_record(source_widget, recorder_widget)
success, error_message = self.save_and_check_data(recorder_widget)
if not success:
self.errors.append('%s: Comparison failed: %s' %
(test_case, error_message))
if self.errors:
raise error.TestFail('; '.join(set(self.errors)))
def run_once(self,
host,
suspend=False,
disable=False,
disconnect=False,
check_quality=False):
"""Running Bluetooth basic audio tests
@param host: device under test host
@param suspend: suspend flag to enable suspend before play/record
@param disable: disable flag to disable BT module before play/record
@param disconnect: disconnect flag to disconnect BT module
before play/record
@param check_quality: flag to check audio quality.
"""
self.host = host
# Bluetooth HSP/HFP profile only supports one channel
# playback/recording. So we should use simple frequency
# test file which contains identical sine waves in two
# channels.
golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE
factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir)
self.audio_facade = factory.create_audio_facade()
chameleon_board = host.chameleon
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
playback_source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.BLUETOOTH_HEADPHONE)
playback_bluetooth_widget = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
playback_recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEIN)
playback_binder = widget_factory.create_binder(
playback_source, playback_bluetooth_widget, playback_recorder)
record_source = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEOUT)
record_bluetooth_widget = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_TX)
record_recorder = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.BLUETOOTH_MIC)
record_binder = widget_factory.create_binder(record_source,
record_bluetooth_widget,
record_recorder)
with chameleon_audio_helper.bind_widgets(playback_binder):
with chameleon_audio_helper.bind_widgets(record_binder):
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir,
'after_binding')
# For DUTs with permanently connected audio jack cable
# Bluetooth output node should be selected explicitly.
output_nodes, _ = self.audio_facade.get_plugged_node_types()
audio_jack_plugged = False
if 'HEADPHONE' in output_nodes or 'LINEOUT' in output_nodes:
audio_jack_plugged = True
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['MIC']))
# Checks the input node selected by Cras is internal microphone.
# Checks crbug.com/495537 for the reason to lower bluetooth
# microphone priority.
elif audio_test_utils.has_internal_microphone(host):
audio_test_utils.check_audio_nodes(
self.audio_facade, (None, ['INTERNAL_MIC']))
self.audio_facade.set_selected_output_volume(80)
# Selecting input nodes needs to be after setting volume because
# after setting volume, Cras notifies Chrome there is changes
# in nodes, and Chrome selects the output/input nodes based
# on its preference again. See crbug.com/535643.
# Selects bluetooth mic to be the active input node.
if (audio_test_utils.has_internal_microphone(host)
or audio_jack_plugged):
self.audio_facade.set_chrome_active_node_type(
None, 'BLUETOOTH')
# Checks the node selected by Cras is correct.
audio_test_utils.check_audio_nodes(
self.audio_facade, (['BLUETOOTH'], ['BLUETOOTH']))
# Setup the playback data. This step is time consuming.
playback_source.set_playback_data(golden_file)
record_source.set_playback_data(golden_file)
# Create links to control disconnect and off/on BT adapter.
link = playback_binder.get_binders()[0].get_link()
if disable:
self.disable_enable_bt(link)
if disconnect:
self.disconnect_connect_bt(link)
if suspend:
audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)
if disable or disconnect or suspend:
audio_test_utils.dump_cros_audio_logs(
host, self.audio_facade, self.resultsdir,
'after_action')
utils.poll_for_condition(condition=factory.ready,
timeout=self.PRC_RECONNECT_TIMEOUT,
desc='multimedia server reconnect')
# Gives DUT some time to auto-reconnect bluetooth after resume.
if suspend:
utils.poll_for_condition(
condition=self.bluetooth_nodes_plugged,
timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS,
desc='bluetooth node auto-reconnect after suspend')
if audio_test_utils.has_internal_microphone(host):
# Select again BT input, as default input node is
# INTERNAL_MIC.
self.audio_facade.set_chrome_active_node_type(
None, 'BLUETOOTH')
with audio_test_utils.monitor_no_nodes_changed(
self.audio_facade, self.dump_logs_after_nodes_changed):
# Checks the node selected by Cras is correct again.
audio_test_utils.check_audio_nodes(
self.audio_facade, (['BLUETOOTH'], ['BLUETOOTH']))
# Starts playing, waits for some time, and then starts
# recording. This is to avoid artifact caused by codec
# initialization.
logging.info('Start playing %s on Cros device',
golden_file.path)
playback_source.start_playback()
logging.info('Start playing %s on Chameleon device',
golden_file.path)
record_source.start_playback()
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Chameleon.')
playback_recorder.start_recording()
logging.info('Start recording from Cros device.')
record_recorder.start_recording()
time.sleep(self.RECORD_SECONDS)
playback_recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
record_recorder.stop_recording()
logging.info('Stopped recording from Cros device.')
audio_test_utils.dump_cros_audio_logs(
host, self.audio_facade, self.resultsdir,
'after_recording')
# Sleeps until playback data ends to prevent audio from
# going to internal speaker.
time.sleep(self.SLEEP_AFTER_RECORD_SECONDS)
# Gets the recorded data. This step is time consuming.
playback_recorder.read_recorded_binary()
logging.info('Read recorded binary from Chameleon.')
record_recorder.read_recorded_binary()
logging.info('Read recorded binary from Chameleon.')
recorded_file = os.path.join(self.resultsdir,
"playback_recorded.raw")
logging.info('Playback: Saving recorded data to %s',
recorded_file)
playback_recorder.save_file(recorded_file)
recorded_file = os.path.join(self.resultsdir,
"record_recorded.raw")
logging.info('Record: Saving recorded data to %s',
recorded_file)
record_recorder.save_file(recorded_file)
# Removes the beginning of recorded data. This is to avoid artifact
# caused by Chameleon codec initialization in the beginning of
# recording.
playback_recorder.remove_head(0.5)
# Removes the beginning of recorded data. This is to avoid artifact
# caused by bluetooth module initialization in the beginning of
# its playback.
record_recorder.remove_head(0.5)
recorded_file = os.path.join(self.resultsdir, "playback_clipped.raw")
logging.info('Saving clipped data to %s', recorded_file)
playback_recorder.save_file(recorded_file)
recorded_file = os.path.join(self.resultsdir, "record_clipped.raw")
logging.info('Saving clipped data to %s', recorded_file)
record_recorder.save_file(recorded_file)
# Compares data by frequency. Audio signal recorded by microphone has
# gone through analog processing and through the air.
# This suffers from codec artifacts and noise on the path.
# Comparing data by frequency is more robust than comparing by
# correlation, which is suitable for fully-digital audio path like USB
# and HDMI.
# Use a second peak ratio that can tolerate more noise because HSP
# is low-quality.
playback_second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=playback_source.port_id,
recorder_id=playback_recorder.port_id,
is_hsp=True)
record_second_peak_ratio = audio_test_utils.get_second_peak_ratio(
source_id=record_source.port_id,
recorder_id=record_recorder.port_id,
is_hsp=True)
error_messages = ''
try:
audio_test_utils.check_recorded_frequency(
golden_file,
playback_recorder,
check_anomaly=check_quality,
second_peak_ratio=playback_second_peak_ratio)
except error.TestFail, e:
error_messages += str(e)
