def playback_and_suspend(self, audio_facade, while_playback):
""" Does playback and suspend-resume.
@param audio_facade: audio facade to check nodes.
@param while_playback: whether to play when suspending.
"""
if while_playback:
logging.info('Playing audio served on the web...')
web_file = audio_test_data.HEADPHONE_10MIN_TEST_FILE
file_url = getattr(web_file, 'url', None)
browser_facade = self.factory.create_browser_facade()
tab_descriptor = browser_facade.new_tab(file_url)
time.sleep(self.WEB_PLAYBACK_SEC)
logging.info('Suspending...')
boot_id = self.host.get_boot_id()
self.host.suspend(suspend_time=self.SUSPEND_SEC)
self.host.test_wait_for_resume(boot_id, self.CONNECT_TIMEOUT_SEC)
logging.info('Resumed and back online.')
time.sleep(self.WAIT_TO_REBIND_SEC)
# Stop audio playback by closing the browser tab.
if while_playback:
browser_facade.close_tab(tab_descriptor)
audio_test_utils.check_audio_nodes(audio_facade,
(['HDMI'], None))
def check_default_nodes(self):
"""Checks default audio nodes for devices with onboard audio support."""
if audio_test_utils.has_internal_microphone(self.host):
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['INTERNAL_MIC']))
if audio_test_utils.has_internal_speaker(self.host):
audio_test_utils.check_audio_nodes(self.audio_facade,
(['INTERNAL_SPEAKER'], None))
def disconnect_connect_bt(self, link):
"""Performs disconnect and connect BT module
@param link: binder link to control BT adapter
"""
logging.info("Disconnecting BT module...")
link.adapter_disconnect_module()
time.sleep(self.DELAY_AFTER_DISCONNECT_SECONDS)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['INTERNAL_SPEAKER'], None))
logging.info("Connecting BT module...")
link.adapter_connect_module()
time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
def disconnect_connect_bt(self, link):
"""Performs disconnect and connect BT module
@param link: binder link to control BT adapter
"""
logging.info("Disconnecting BT module...")
link.adapter_disconnect_module()
time.sleep(self.DELAY_AFTER_DISCONNECT_SECONDS)
if audio_test_utils.has_internal_microphone(self.host):
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['INTERNAL_MIC']))
logging.info("Connecting BT module...")
link.adapter_connect_module()
time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
def check_active_node_volume(self, node):
"""Checks the active node type and checks if its volume is as expected.
@param node: The expected node.
@raises: TestFail if node volume is not as expected.
"""
# Checks the node type is the active node type.
audio_test_utils.check_audio_nodes(self.audio_facade, ([node], None))
# Checks if active volume is the node volume.
volume, mute = self.audio_facade.get_chrome_active_volume_mute()
expected_volume = self._VOLUMES[node]
if volume != expected_volume:
raise error.TestFail(
'Node %s volume %d != %d' % (node, volume, expected_volume))
def disable_enable_bt(self, link):
"""Performs turn off and then on BT module
@param link: binder link to control BT adapter
"""
logging.info("Turning off BT module...")
link.disable_bluetooth_module()
time.sleep(self.DELAY_AFTER_DISABLING_MODULE_SECONDS)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['INTERNAL_SPEAKER'], None))
logging.info("Turning on BT module...")
link.enable_bluetooth_module()
time.sleep(self.DELAY_AFTER_ENABLING_MODULE_SECONDS)
logging.info("Connecting BT module...")
link.adapter_connect_module()
time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
def run_once(self, host, suspend=False, disable=False, disconnect=False):
"""Runs bluetooth audio connection test."""
self.host = host
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.CrosIds.BLUETOOTH_HEADPHONE)
bluetooth_widget = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEIN)
binder = widget_factory.create_binder(source, bluetooth_widget,
recorder)
with chameleon_audio_helper.bind_widgets(binder):
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir,
'after_binding')
if audio_test_utils.has_internal_microphone(host):
self.audio_facade.set_chrome_active_node_type(
None, 'BLUETOOTH')
audio_test_utils.check_audio_nodes(self.audio_facade,
(['BLUETOOTH'], ['BLUETOOTH']))
# Monitors there is no node change in this time period.
with audio_test_utils.monitor_no_nodes_changed(
self.audio_facade, self.dump_logs_after_nodes_changed):
logging.debug('Monitoring NodesChanged signal for %s seconds',
self.CONNECTION_TEST_TIME_SECS)
time.sleep(self.CONNECTION_TEST_TIME_SECS)
def run_once(self, host, suspend=False):
golden_file = audio_test_data.SWEEP_TEST_FILE
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(
chameleon_audio_ids.CrosIds.USBOUT)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.USBIN)
binder = widget_factory.create_binder(source, recorder)
with chameleon_audio_helper.bind_widgets(binder):
# Checks the node selected by cras is correct.
audio_facade = factory.create_audio_facade()
audio_test_utils.dump_cros_audio_logs(host, audio_facade,
self.resultsdir,
'after_binding')
audio_test_utils.check_and_set_chrome_active_node_types(
audio_facade, 'USB', None)
audio_test_utils.dump_cros_audio_logs(host, audio_facade,
self.resultsdir,
'after_select')
audio_test_utils.check_audio_nodes(audio_facade, (['USB'], None))
logging.info('Setting playback data on Cros device')
audio_facade.set_selected_output_volume(70)
source.set_playback_data(golden_file)
if suspend:
audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)
utils.poll_for_condition(condition=factory.ready,
timeout=self.RPC_RECONNECT_TIMEOUT,
desc='multimedia server reconnect')
audio_test_utils.check_audio_nodes(audio_facade,
(['USB'], None))
# Starts recording from Chameleon, waits for some time, and then
# starts playing from Cros device.
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')
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)
audio_test_utils.compare_recorded_correlation(golden_file, recorder)
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.FREQUENCY_TEST_FILE
factory = self.create_remote_facade_factory(host)
self.audio_facade = factory.create_audio_facade()
chameleon_board = host.chameleon
chameleon_board.reset()
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.BLUETOOTH_HEADPHONE)
bluetooth_widget = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEIN)
binder = widget_factory.create_binder(
source, bluetooth_widget, recorder)
with chameleon_audio_helper.bind_widgets(binder):
audio_test_utils.dump_cros_audio_logs(
host, self.audio_facade, self.resultsdir, 'after_binding')
# Checks the node selected by Cras is correct.
audio_test_utils.check_audio_nodes(self.audio_facade,
(['BLUETOOTH'], None))
self.audio_facade.set_selected_output_volume(80)
# 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()[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)
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')
# Delay some time for A2DP to be reconnected.
# Normally this happens several seconds after HSP is
# reconnected. However, there is no event what we can wait for,
# so just wait some time.
time.sleep(self.DELAY_FOR_A2DP_RECONNECT_AFTER_SUSPEND)
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'], None))
logging.info('Start playing %s on Cros device',
golden_file.path)
source.start_playback()
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Chameleon.')
recorder.start_recording()
time.sleep(self.RECORD_SECONDS)
recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
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 Chameleon codec initialization in the beginning of
# recording.
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)
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,
source_id,
sink_id,
recorder_id,
volume_spec,
golden_file,
cfm_speaker=False,
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.
@param cfm_speaker: whether cfm_speaker's audio is tested which is an
external USB speaker on CFM (ChromeBox For Meetings) devices.
"""
if (source_id == chameleon_audio_ids.CrosIds.SPEAKER
and (not cfm_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')
if not cfm_speaker:
audio_test_utils.check_output_port(audio_facade,
source.port_id)
else:
audio_test_utils.check_audio_nodes(audio_facade,
(['USB'], None))
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 check_correct_audio_node_selected(self):
"""Checks the node selected by Cras is correct."""
audio_test_utils.check_audio_nodes(self.audio_facade, self.audio_nodes)
def run_once(self, host, jack_node=False, hdmi_node=False, usb_node=False):
self.host = host
chameleon_board = host.chameleon
audio_board = chameleon_board.get_audio_board()
factory = self.create_remote_facade_factory(host)
chameleon_board.reset()
self.audio_facade = factory.create_audio_facade()
self.display_facade = factory.create_display_facade()
self.check_default_nodes()
nodes = []
if audio_test_utils.has_internal_speaker(self.host):
self.set_active_volume_to_node_volume('INTERNAL_SPEAKER')
nodes.append('INTERNAL_SPEAKER')
self.switch_nodes_and_check_volume(nodes)
if hdmi_node:
edid_path = os.path.join(self.bindir,
'test_data/edids/HDMI_DELL_U2410.txt')
finder = chameleon_port_finder.ChameleonVideoInputFinder(
chameleon_board, self.display_facade)
hdmi_port = finder.find_port('HDMI')
hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
time.sleep(self._APPLY_EDID_DELAY)
hdmi_port.set_plug(True)
time.sleep(self._PLUG_DELAY)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HDMI'], None))
self.set_active_volume_to_node_volume('HDMI')
nodes.append('HDMI')
self.switch_nodes_and_check_volume(nodes)
if jack_node:
jack_plugger = audio_board.get_jack_plugger()
jack_plugger.plug()
time.sleep(self._PLUG_DELAY)
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HEADPHONE'], ['MIC']))
self.set_active_volume_to_node_volume('HEADPHONE')
nodes.append('HEADPHONE')
self.switch_nodes_and_check_volume(nodes)
if usb_node:
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.USBOUT)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.USBIN)
binder = widget_factory.create_binder(source, recorder)
with chameleon_audio_helper.bind_widgets(binder):
time.sleep(self._PLUG_DELAY)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['USB'], ['USB']))
self.set_active_volume_to_node_volume('USB')
nodes.append('USB')
self.switch_nodes_and_check_volume(nodes)
time.sleep(self._PLUG_DELAY)
nodes.remove('USB')
self.switch_nodes_and_check_volume(nodes)
if jack_node:
if usb_node:
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HEADPHONE'], ['MIC']))
jack_plugger.unplug()
time.sleep(self._PLUG_DELAY)
nodes.remove('HEADPHONE')
self.switch_nodes_and_check_volume(nodes)
if hdmi_node:
if usb_node or jack_node :
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HDMI'], None))
hdmi_port.set_plug(False)
time.sleep(self._PLUG_DELAY)
nodes.remove('HDMI')
self.switch_nodes_and_check_volume(nodes)
self.check_default_nodes()
def run_once(self, host, cfm_speaker=False):
if not cfm_speaker and not audio_test_utils.has_internal_speaker(host):
return
golden_file = audio_test_data.SIMPLE_FREQUENCY_SPEAKER_TEST_FILE
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(
chameleon_audio_ids.CrosIds.SPEAKER)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.MIC)
audio_facade = factory.create_audio_facade()
audio_test_utils.dump_cros_audio_logs(
host, audio_facade, self.resultsdir, 'start')
# Checks the node selected by cras is correct.
if not cfm_speaker:
audio_test_utils.check_audio_nodes(audio_facade,
(['INTERNAL_SPEAKER'], None))
else:
audio_test_utils.check_audio_nodes(audio_facade, (['USB'], None))
audio_facade.set_selected_output_volume(80)
logging.info('Setting playback data on Cros device')
source.set_playback_data(golden_file)
# 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)
source.start_playback()
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Chameleon.')
recorder.start_recording()
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')
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 Chameleon codec initialization in the beginning of
# recording.
recorder.remove_head(0.5)
# Removes noise by a lowpass filter.
recorder.lowpass_filter(1000)
recorded_file = os.path.join(self.resultsdir, "recorded_filtered.raw")
logging.info('Saving filtered 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,
second_peak_ratio=0.1,
ignore_frequencies=[50, 60])
def run_once(self, host, cfm_speaker=False):
"""Runs Basic Audio Microphone test.
@param host: device under test CrosHost
@param cfm_speaker: whether cfm_speaker's audio is tested which is an
external USB speaker on CFM (ChromeBox For Meetings) devices.
"""
if (not cfm_speaker
and not audio_test_utils.has_internal_microphone(host)):
return
golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_1330_FILE
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(
chameleon_audio_ids.ChameleonIds.LINEOUT)
sink = widget_factory.create_widget(
chameleon_audio_ids.PeripheralIds.SPEAKER)
binder = widget_factory.create_binder(source, sink)
recorder = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.INTERNAL_MIC)
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')
expected_internal_mic_node = cras_configs.get_internal_mic_node(
audio_test_utils.get_board_name(host), host.get_platform())
if not cfm_speaker:
audio_test_utils.check_audio_nodes(
audio_facade, (None, [expected_internal_mic_node]))
else:
audio_test_utils.check_audio_nodes(audio_facade,
(None, ['USB']))
logging.info('Setting playback data on Chameleon')
source.set_playback_data(golden_file)
# Starts playing, waits for some time, and then starts recording.
# This is to avoid artifact caused by chameleon codec initialization
# in the beginning of playback.
logging.info('Start playing %s from 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, audio_facade,
self.resultsdir,
'after_recording')
recorder.read_recorded_binary()
logging.info('Read recorded binary from Cros device.')
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 Cros device codec initialization in the beginning of
# recording.
recorder.remove_head(1.0)
# Removes noise by a lowpass filter.
recorder.lowpass_filter(1500)
recorded_file = os.path.join(self.resultsdir, "recorded_filtered.raw")
logging.info('Saving filtered data to %s', recorded_file)
recorder.save_file(recorded_file)
# Cros device only records one channel data. Here we set the channel map
# of the recorder to compare the recorded data with left channel of the
# test data. This is fine as left and right channel of test data are
# identical.
recorder.channel_map = [0]
# Compares data by frequency. Audio signal from Chameleon Line-Out to
# speaker and finally recorded on Cros device using internal 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 them by
# correlation, which is suitable for fully-digital audio path like USB
# and HDMI.
audio_test_utils.check_recorded_frequency(golden_file,
recorder,
second_peak_ratio=0.2)
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 = self.create_remote_facade_factory(host)
self.audio_facade = factory.create_audio_facade()
chameleon_board = host.chameleon
chameleon_board.reset()
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')
# Checks the input node selected by Cras is internal microphone.
# Checks crbug.com/495537 for the reason to lower bluetooth
# microphone priority.
if 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):
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.
second_peak_ratio = audio_test_utils.HSP_SECOND_PEAK_RATIO
error_messages = ''
try:
audio_test_utils.check_recorded_frequency(
golden_file, playback_recorder, check_anomaly=check_quality,
second_peak_ratio=second_peak_ratio)
except error.TestFail, e:
error_messages += str(e)
def run_once(self,
host,
video_hardware_acceleration=True,
video_url=DEFAULT_VIDEO_URL,
arc=False):
"""Running audio/video synchronization quality measurement
@param host: A host object representing the DUT.
@param video_hardware_acceleration: Enables the hardware acceleration
for video decoding.
@param video_url: The ULR of the test video.
@param arc: Tests on ARC with an Android Video Player App.
"""
self.host = host
factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir, no_chrome=True)
chrome_args = {
'extension_paths':
[constants.AUDIO_TEST_EXTENSION, constants.DISPLAY_TEST_EXTENSION],
'extra_browser_args': [],
'arc_mode':
arc_common.ARC_MODE_DISABLED,
'autotest_ext':
True
}
if not video_hardware_acceleration:
chrome_args['extra_browser_args'].append(
'--disable-accelerated-video-decode')
if arc:
chrome_args['arc_mode'] = arc_common.ARC_MODE_ENABLED
browser_facade = factory.create_browser_facade()
browser_facade.start_custom_chrome(chrome_args)
logging.info("created chrome")
if arc:
self.setup_video_app()
chameleon_board = host.chameleon
audio_facade = factory.create_audio_facade()
display_facade = factory.create_display_facade()
video_facade = factory.create_video_facade()
audio_port_finder = chameleon_port_finder.ChameleonAudioInputFinder(
chameleon_board)
video_port_finder = chameleon_port_finder.ChameleonVideoInputFinder(
chameleon_board, display_facade)
audio_port = audio_port_finder.find_port('HDMI')
video_port = video_port_finder.find_port('HDMI')
chameleon_board.setup_and_reset(self.outputdir)
_, ext = os.path.splitext(video_url)
with tempfile.NamedTemporaryFile(prefix='playback_', suffix=ext) as f:
# The default permission is 0o600.
os.chmod(f.name, 0o644)
file_utils.download_file(video_url, f.name)
if arc:
video_facade.prepare_arc_playback(f.name)
else:
video_facade.prepare_playback(f.name)
edid_path = os.path.join(self.bindir,
'test_data/edids/HDMI_DELL_U2410.txt')
video_port.plug()
with video_port.use_edid_file(edid_path):
audio_facade.set_chrome_active_node_type('HDMI', None)
audio_facade.set_chrome_active_volume(100)
audio_test_utils.check_audio_nodes(audio_facade, (['HDMI'], None))
display_facade.set_mirrored(True)
video_port.start_monitoring_audio_video_capturing_delay()
time.sleep(self.DELAY_BEFORE_CAPTURING)
video_port.start_capturing_video((64, 64, 16, 16))
audio_port.start_capturing_audio()
time.sleep(self.DELAY_BEFORE_PLAYBACK)
if arc:
video_facade.start_arc_playback(blocking_secs=20)
else:
video_facade.start_playback(blocking=True)
time.sleep(self.DELAY_AFTER_PLAYBACK)
remote_path, _ = audio_port.stop_capturing_audio()
video_port.stop_capturing_video()
start_delay = video_port.get_audio_video_capturing_delay()
local_path = os.path.join(self.resultsdir, 'recorded.raw')
chameleon_board.host.get_file(remote_path, local_path)
audio_data = open(local_path).read()
video_data = video_port.get_captured_checksums()
logging.info("audio capture %d bytes, %f seconds", len(audio_data),
len(audio_data) / float(self.AUDIO_CAPTURE_RATE) / 32)
logging.info("video capture %d frames, %f seconds", len(video_data),
len(video_data) / float(self.VIDEO_CAPTURE_RATE))
key_audio = self.compute_audio_keypoint(audio_data)
key_video = self.compute_video_keypoint(video_data)
# Use the capturing delay to align A/V
key_video = map(lambda x: x + start_delay, key_video)
dropped_frame_count = None
if not arc:
video_facade.dropped_frame_count()
prefix = ''
if arc:
prefix = 'arc_'
elif video_hardware_acceleration:
prefix = 'hw_'
else:
prefix = 'sw_'
self.log_result(prefix, key_audio, key_video, dropped_frame_count)
def run_once(self, host, check_quality=False):
"""Running basic headphone audio tests.
@param host: device under test host
@param check_quality: flag to check audio quality.
"""
if not audio_test_utils.has_headphone(host):
return
golden_file = audio_test_data.FREQUENCY_TEST_FILE
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(
chameleon_audio_ids.CrosIds.HEADPHONE)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEIN)
binder = widget_factory.create_binder(source, recorder)
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_audio_nodes(audio_facade,
(['HEADPHONE'], None))
logging.info('Setting playback data on Cros device')
source.set_playback_data(golden_file)
# 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)
source.start_playback()
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Chameleon.')
recorder.start_recording()
time.sleep(self.RECORD_SECONDS)
if check_quality:
# Add a silence while recording to detect audio
# spikes after playback.
time.sleep(self.SILENCE_WAIT)
recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
audio_test_utils.dump_cros_audio_logs(host, 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 Chameleon codec initialization in the beginning of
# recording.
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. Headphone audio signal has gone through
# analog processing. 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_artifacts=check_quality)
def run_once(self,
host,
jack_node=False,
hdmi_node=False,
usb_node=False,
play_audio=False):
self.host = host
chameleon_board = host.chameleon
audio_board = chameleon_board.get_audio_board()
factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir)
chameleon_board.setup_and_reset(self.outputdir)
self.audio_facade = factory.create_audio_facade()
self.display_facade = factory.create_display_facade()
self.check_default_nodes()
nodes = []
if audio_test_utils.has_internal_speaker(self.host):
self.set_active_volume_to_node_volume('INTERNAL_SPEAKER')
nodes.append('INTERNAL_SPEAKER')
self.switch_nodes_and_check_volume(nodes)
if play_audio:
self.browser_facade = factory.create_browser_facade()
self.browser_facade.new_tab(URL)
time.sleep(self._WAIT_TO_LOAD_VIDEO)
if hdmi_node:
edid_path = os.path.join(self.bindir,
'test_data/edids/HDMI_DELL_U2410.txt')
finder = chameleon_port_finder.ChameleonVideoInputFinder(
chameleon_board, self.display_facade)
hdmi_port = finder.find_port('HDMI')
hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
time.sleep(self._APPLY_EDID_DELAY)
hdmi_port.set_plug(True)
time.sleep(self._PLUG_DELAY * 2)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HDMI'], None))
if play_audio:
self.audio_facade.check_audio_stream_at_selected_device()
self.set_active_volume_to_node_volume('HDMI')
nodes.append('HDMI')
self.switch_nodes_and_check_volume(nodes)
if jack_node:
jack_plugger = audio_board.get_jack_plugger()
jack_plugger.plug()
time.sleep(self._PLUG_DELAY)
audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
self.resultsdir)
# Checks whether line-out or headphone is detected.
hp_jack_node_type = audio_test_utils.check_hp_or_lineout_plugged(
self.audio_facade)
audio_test_utils.check_audio_nodes(self.audio_facade,
(None, ['MIC']))
self.set_active_volume_to_node_volume(hp_jack_node_type)
nodes.append(hp_jack_node_type)
self.switch_nodes_and_check_volume(nodes)
if usb_node:
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.USBOUT)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.USBIN)
binder = widget_factory.create_binder(source, recorder)
with chameleon_audio_helper.bind_widgets(binder):
time.sleep(self._PLUG_DELAY)
audio_test_utils.check_audio_nodes(self.audio_facade,
(['USB'], ['USB']))
self.set_active_volume_to_node_volume('USB')
nodes.append('USB')
self.switch_nodes_and_check_volume(nodes)
time.sleep(self._PLUG_DELAY)
nodes.remove('USB')
self.switch_nodes_and_check_volume(nodes)
if jack_node:
if usb_node:
audio_test_utils.check_audio_nodes(
self.audio_facade, ([hp_jack_node_type], ['MIC']))
jack_plugger.unplug()
time.sleep(self._PLUG_DELAY)
nodes.remove(hp_jack_node_type)
self.switch_nodes_and_check_volume(nodes)
if hdmi_node:
if usb_node or jack_node:
audio_test_utils.check_audio_nodes(self.audio_facade,
(['HDMI'], None))
hdmi_port.set_plug(False)
time.sleep(self._PLUG_DELAY)
nodes.remove('HDMI')
self.switch_nodes_and_check_volume(nodes)
self.check_default_nodes()
def run_once(self, host, suspend=False):
golden_file = audio_test_data.SWEEP_TEST_FILE
chameleon_board = host.chameleon
factory = self.create_remote_facade_factory(host)
chameleon_board.reset()
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
factory, host)
playback_source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.USBOUT)
playback_recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.USBIN)
playback_binder = widget_factory.create_binder(playback_source,
playback_recorder)
record_source = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.USBOUT)
record_recorder = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.USBIN)
record_binder = widget_factory.create_binder(record_source,
record_recorder)
with chameleon_audio_helper.bind_widgets(playback_binder):
with chameleon_audio_helper.bind_widgets(record_binder):
# Checks the node selected by cras is correct.
audio_facade = factory.create_audio_facade()
audio_test_utils.dump_cros_audio_logs(host, audio_facade,
self.resultsdir,
'after_binding')
audio_test_utils.check_audio_nodes(audio_facade,
(['USB'], ['USB']))
logging.info('Setting playback data on Cros device')
audio_facade.set_selected_output_volume(70)
playback_source.set_playback_data(golden_file)
record_source.set_playback_data(golden_file)
if suspend:
audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)
utils.poll_for_condition(
condition=factory.ready,
timeout=self.RPC_RECONNECT_TIMEOUT,
desc='multimedia server reconnect')
audio_test_utils.check_audio_nodes(audio_facade,
(['USB'], ['USB']))
logging.info('Start recording from Chameleon.')
playback_recorder.start_recording()
logging.info('Start recording from Cros device.')
record_recorder.start_recording()
logging.info('Start playing %s on Cros device',
golden_file.path)
playback_source.start_playback()
logging.info('Start playing %s on Chameleon', golden_file.path)
record_source.start_playback()
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, audio_facade,
self.resultsdir,
'after_recording')
playback_recorder.read_recorded_binary()
logging.info('Read recorded binary from Chameleon.')
record_recorder.read_recorded_binary()
logging.info('Read recorded binary from Cros device.')
playback_recorded_file = os.path.join(self.resultsdir,
"playback_recorded.raw")
logging.info('Saving Cros playback recorded data to %s',
playback_recorded_file)
playback_recorder.save_file(playback_recorded_file)
record_recorded_file = os.path.join(self.resultsdir,
"record_recorded.raw")
logging.info('Saving Cros record recorded data to %s',
record_recorded_file)
record_recorder.save_file(record_recorded_file)
error_messages = ''
if not chameleon_audio_helper.compare_recorded_result(
golden_file, playback_recorder, 'correlation'):
error_messages += ('Record: Recorded file does not match'
' playback file.')
if not chameleon_audio_helper.compare_recorded_result(
golden_file, record_recorder, 'correlation'):
error_messages += ('Playback: Recorded file does not match'
' playback file.')
if error_messages:
raise error.TestFail(error_messages)
def run_once(self, host, suspend=False, while_playback=False):
"""Running basic HDMI audio tests.
@param host: device under test host
@param suspend: whether to suspend
@param while_playback: whether to suspend while audio playback
"""
golden_file = audio_test_data.SWEEP_TEST_FILE
self.host = host
# Dump audio diagnostics data for debugging.
chameleon_board = host.chameleon
self.factory = remote_facade_factory.RemoteFacadeFactory(
host, results_dir=self.resultsdir)
# For DUTs with permanently connected audio jack cable
# connecting HDMI won't switch automatically the node. Adding
# audio_jack_plugged flag to select HDMI node after binding.
audio_facade = self.factory.create_audio_facade()
output_nodes, _ = audio_facade.get_selected_node_types()
audio_jack_plugged = False
if output_nodes == ['HEADPHONE']:
audio_jack_plugged = True
logging.debug('Found audio jack plugged!')
self._system_facade = self.factory.create_system_facade()
self.set_high_performance_mode()
chameleon_board.setup_and_reset(self.outputdir)
widget_factory = chameleon_audio_helper.AudioWidgetFactory(
self.factory, host)
source = widget_factory.create_widget(
chameleon_audio_ids.CrosIds.HDMI)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.HDMI)
binder = widget_factory.create_binder(source, recorder)
with chameleon_audio_helper.bind_widgets(binder):
audio_test_utils.dump_cros_audio_logs(
host, audio_facade, self.resultsdir, 'after_binding')
# HDMI node needs to be selected, when audio jack is plugged
if audio_jack_plugged:
audio_facade.set_chrome_active_node_type('HDMI', None)
audio_test_utils.check_audio_nodes(audio_facade,
(['HDMI'], None))
# Suspend after playing audio (if directed) and resume
# before the HDMI audio test.
if suspend:
self.playback_and_suspend(audio_facade, while_playback)
source.set_playback_data(golden_file)
logging.info('Start recording from Chameleon.')
recorder.start_recording()
time.sleep(self.DELAY_BEFORE_PLAYBACK)
logging.info('Start playing %s on Cros device',
golden_file.path)
source.start_playback(blocking=True)
logging.info('Stopped playing %s on Cros device',
golden_file.path)
time.sleep(self.DELAY_AFTER_PLAYBACK)
audio_test_utils.dump_cros_audio_logs(
host, audio_facade, self.resultsdir, 'after_recording')
recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
recorder.read_recorded_binary()
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.compare_recorded_correlation(golden_file, recorder)
def run_once(self, host, audio_test_file):
if host.get_board_type() in self.UNSUPPORTED_BOARD_TYPES:
raise error.TestNAError(
'DUT is not supported for this scenario. Skipping test.')
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(
chameleon_audio_ids.CrosIds.HEADPHONE)
recorder = widget_factory.create_widget(
chameleon_audio_ids.ChameleonIds.LINEIN)
binder = widget_factory.create_binder(source, recorder)
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_audio_nodes(audio_facade,
(['HEADPHONE'], None))
# 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', audio_test_file)
browser_facade = factory.create_browser_facade()
tab_descriptor = browser_facade.new_tab(audio_test_file)
time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
logging.info('Start recording from Chameleon.')
recorder.start_recording()
time.sleep(self.RECORD_SECONDS)
recorder.stop_recording()
logging.info('Stopped recording from Chameleon.')
browser_facade.close_tab(tab_descriptor)
audio_test_utils.dump_cros_audio_logs(host, 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 Chameleon codec initialization in the beginning of
# recording.
recorder.remove_head(0.5)
# Removes noise by a lowpass filter.
recorder.lowpass_filter(4000)
recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw')
logging.info('Saving filtered data to %s', recorded_file)
recorder.save_file(recorded_file)
# Compares data by frequency. Headphone audio signal has gone through
# analog processing. 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(
audio_test_data.MEDIA_HEADPHONE_TEST_FILE,
recorder,
check_anomaly=True)