def run_once(self, host, num_iterations=12):
        """Running Bluetooth adapter tests for basic audio link

        @param host: the DUT, usually a chromebook
        @param num_iterations: the number of rounds to execute the test
        """
        self.host = host
        self.check_chameleon()

        # Setup Bluetooth widgets and their binder, but do not yet connect.
        audio_test.audio_test_requirement()
        factory = remote_facade_factory.RemoteFacadeFactory(
            host, results_dir=self.resultsdir)
        chameleon_board = self.host.chameleon
        if chameleon_board is None:
            raise error.TestNAError("No chameleon device is present")

        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)
        binder = widget_factory.create_binder(source, bluetooth_widget)

        # Test body
        self.play_audio(binder, factory, widget_factory, num_iterations)
Example #2
0
    def run_once(self, host):
        """Test body."""
        start_time = time.time()

        # Setup Bluetooth widgets and their binder, but do not yet connect.
        audio_test.audio_test_requirement()
        factory = audio_test.create_remote_facade_factory(
            host, self.resultsdir)
        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)
        binder = widget_factory.create_binder(source, bluetooth_widget)
        audio_test_file = 'http://commondatastorage.googleapis.com/' \
                          'chromiumos-test-assets-public/audio_test/' \
                          'chameleon/Headphone/test_256_16.mp3'

        for ap_config in self._ap_configs:
            # Set up the router and associate the client with it.
            self.context.configure(ap_config)
            if ap_config.is_11ac and not self.context.client.is_vht_supported(
            ):
                raise error.TestNAError('Client does not have AC support')
            assoc_params = xmlrpc_datatypes.AssociationParameters(
                ssid=self.context.router.get_ssid(),
                security_config=ap_config.security_config)
            self.context.assert_connect_wifi(assoc_params)
            session = netperf_session.NetperfSession(self.context.client,
                                                     self.context.router)
            session.MEASUREMENT_MAX_SAMPLES = 6.

            # Warmup the wifi path and measure signal.
            session.warmup_stations()
            ap_config_tag = ap_config.perf_loggable_description

            for config in self.NETPERF_CONFIGS:
                self.test_one(session, config, ap_config_tag,
                              'BT_disconnected')
                with chameleon_audio_helper.bind_widgets(binder):
                    self.test_one(session, config, ap_config_tag,
                                  'BT_connected_but_not_streaming')
                    logging.info('Playing an audio test file')
                    browser_facade = factory.create_browser_facade()
                    browser_facade.new_tab(audio_test_file)
                    self.test_one(session, config, ap_config_tag,
                                  'BT_streaming_audiofile')
                self.test_one(session, config, ap_config_tag,
                              'BT_disconnected_again')

            # Clean up router and client state for the next run.
            self.context.client.shill.disconnect(
                self.context.router.get_ssid())
            self.context.router.deconfig()

        end_time = time.time()
        logging.info('Running time %0.1f seconds.', end_time - start_time)
Example #3
0
    def run_once(self, host, player):
        """

        Entry point for test case.

        @param host: A reference to the DUT.
        @param player: A string representing what audio player to use. Could
                       be 'native' or 'browser'.

        """

        if not audio_test_utils.has_internal_speaker(host):
            return

        host.chameleon.setup_and_reset(self.outputdir)

        facade_factory = remote_facade_factory.RemoteFacadeFactory(
            host, results_dir=self.resultsdir)
        self.audio_facade = facade_factory.create_audio_facade()
        self.browser_facade = facade_factory.create_browser_facade()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            facade_factory, host)
        self.sound_source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.SPEAKER)
        self.sound_recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.MIC)

        self.play_and_record(host, player, 'left')
        self.process_and_save_data(channel='left')
        self.validate_recorded_data(channel='left')

        self.play_and_record(host, player, 'right')
        self.process_and_save_data(channel='right')
        self.validate_recorded_data(channel='right')
    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)
Example #5
0
    def run_once(self, host, audio_test_file):
        chameleon_board = host.chameleon
        factory = self.create_remote_facade_factory(host)
        chameleon_board.reset()

        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')

            output_nodes, _ = audio_facade.get_selected_node_types()
            if output_nodes != ['HEADPHONE']:
                raise error.TestFail(
                        '%s rather than headphone is selected on Cros '
                        'device' % output_nodes)

            # 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)
Example #6
0
    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, 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)
Example #8
0
    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, source_id, sink_id, recorder_id,
                 golden_file, switch_hsp=False,
                 mute_duration_in_secs=None,
                 volume_changes=None,
                 record_secs=None):
        """Running audio volume test.

        mute_duration_in_secs and volume_changes couldn't be both not None.

        @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 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 mute_duration_in_secs: List of each duration of mute. For example,
                                      [0.4, 0.6] will have two delays, each
                                      duration will be 0.4 secs and 0.6 secs.
                                      And, between delays, there will be
                                      KEEP_VOLUME_SECONDS secs sine wave.
        @param volume_changes: List consisting of -1 and +1, where -1 denoting
                           decreasing volume, +1 denoting increasing volume.
                           Between each changes, the volume will be kept for
                           KEEP_VOLUME_SECONDS secs.
        @param record_secs: The duration of recording in seconds. If it is not
                            set, duration of the test data will be used. If
                            duration of test data is not set either, default
                            RECORD_SECONDS will be used.

        """
        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)

        start_volume, low_volume, high_volume = 75, 50, 100

        if not record_secs:
            if golden_file.duration_secs:
                record_secs = golden_file.duration_secs
            else:
                record_secs = self.RECORD_SECONDS
        logging.debug('Record duration: %f seconds', record_secs)

        # Checks if the file is local or is served on web.
        file_url = getattr(golden_file, 'url', None)

        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_facade.set_chrome_active_volume(start_volume)

            audio_test_utils.check_output_port(audio_facade, source.port_id)

            if switch_hsp:
                audio_test_utils.switch_to_hsp(audio_facade)

            if not file_url:
                logging.info('Setting playback data on Cros device')
                source.set_playback_data(golden_file)

            logging.info('Start recording from Chameleon.')
            recorder.start_recording()

            if not file_url:
                logging.info('Start playing %s on Cros device',
                             golden_file.path)
                source.start_playback()
            else:
                logging.info('Start playing %s on Cros device using browser',
                             file_url)
                browser_facade = factory.create_browser_facade()
                tab_descriptor = browser_facade.new_tab(file_url)

            if volume_changes:
                time.sleep(self.START_PLAYBACK_SECONDS)
                for x in volume_changes:
                    if x == -1:
                        audio_facade.set_chrome_active_volume(low_volume)
                    if x == +1:
                        audio_facade.set_chrome_active_volume(high_volume)
                    time.sleep(self.KEEP_VOLUME_SECONDS)
                passed_time_secs = self.START_PLAYBACK_SECONDS
                passed_time_secs += len(volume_changes) * self.KEEP_VOLUME_SECONDS
                rest = max(0, record_secs - passed_time_secs)
                time.sleep(rest)
            elif mute_duration_in_secs:
                time.sleep(self.START_PLAYBACK_SECONDS)
                passed_time_seconds = self.START_PLAYBACK_SECONDS
                for mute_secs in mute_duration_in_secs:
                    audio_facade.set_chrome_active_volume(0)
                    time.sleep(mute_secs)
                    audio_facade.set_chrome_active_volume(start_volume)
                    time.sleep(self.KEEP_VOLUME_SECONDS)
                    passed_time_seconds += mute_secs + self.KEEP_VOLUME_SECONDS
                rest = max(0, record_secs - passed_time_seconds)
                time.sleep(rest)
            else:
                time.sleep(record_secs)

            recorder.stop_recording()
            logging.info('Stopped recording from Chameleon.')

            audio_test_utils.dump_cros_audio_logs(
                    host, audio_facade, self.resultsdir,
                    'after_recording')

            if file_url:
                browser_facade.close_tab(tab_descriptor)
            else:
                source.stop_playback()

            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.check_recorded_frequency(
                    golden_file, recorder,
                    check_artifacts=True,
                    mute_durations=mute_duration_in_secs,
                    volume_changes=volume_changes)
    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, 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()
Example #12
0
    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, 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):
        edid_path = os.path.join(self.bindir,
                                 'test_data/edids/HDMI_DELL_U2410.txt')
        golden_file = audio_test_data.SWEEP_TEST_FILE

        # Dump audio diagnostics data for debugging.
        chameleon_board = host.chameleon
        factory = self.create_remote_facade_factory(host)

        self._system_facade = factory.create_system_facade()
        self.set_high_performance_mode()

        chameleon_board.reset()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            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)

        display_facade = factory.create_display_facade()
        finder = chameleon_port_finder.ChameleonVideoInputFinder(
            chameleon_board, display_facade)
        hdmi_port = finder.find_port('HDMI')
        if not hdmi_port:
            raise error.TestFail(
                'Can not find HDMI port, perhaps HDMI is not connected?')
        with hdmi_port.use_edid_file(edid_path):

            # TODO(cychiang) remove this when issue crbug.com/450101 is fixed.
            audio_test_utils.correction_plug_unplug_for_audio(host, hdmi_port)

            with chameleon_audio_helper.bind_widgets(binder):
                audio_facade = factory.create_audio_facade()

                audio_test_utils.dump_cros_audio_logs(host, audio_facade,
                                                      self.resultsdir,
                                                      'after_binding')

                output_nodes, _ = audio_facade.get_selected_node_types()
                if output_nodes != ['HDMI']:
                    raise error.TestFail(
                        '%s rather than HDMI is selected on Cros device' %
                        output_nodes)

                # Transfer the data to Cros device first because it takes
                # several seconds.
                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)

            if not chameleon_audio_helper.compare_recorded_result(
                    golden_file, recorder, 'correlation'):
                raise error.TestFail(
                    'Recorded file does not match playback file')
    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,
                 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):

        if 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.
        output_nodes, _ = audio_facade.get_selected_node_types()
        if output_nodes != ['INTERNAL_SPEAKER']:
            raise error.TestFail(
                '%s rather than internal speaker is selected on Cros '
                'device' % output_nodes)

        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])
Example #18
0
    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,
                 audio_nodes,
                 golden_data,
                 bind_from=None,
                 bind_to=None,
                 source=None,
                 recorder=None,
                 is_internal=False):
        """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 is_internal: whether internal audio is tested flag

        """
        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.is_internal = is_internal

        self.second_peak_ratio = audio_test_utils.DEFAULT_SECOND_PEAK_RATIO
        self.ignore_frequencies = None
        if source == chameleon_audio_ids.CrosIds.SPEAKER:
            self.second_peak_ratio = 0.1
            self.ignore_frequencies = [50, 60]
        elif recorder == chameleon_audio_ids.CrosIds.INTERNAL_MIC:
            self.second_peak_ratio = 0.2

        self.errors = []
        self.golden_file, self.low_pass_freq = golden_data
        chameleon_board = self.host.chameleon
        self.factory = self.create_remote_facade_factory(self.host)
        self.audio_facade = self.factory.create_audio_facade()
        chameleon_board.reset()
        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()

        # If there is no audio-board, test default state.
        if self.audio_board == None:
            plug_configs = [(True, True, True)]
        else:
            plug_configs = self.PLUG_CONFIGS

        test_index = 0
        for (plugged_before_suspend, plugged_after_suspend,
             plugged_before_resume) in plug_configs:
            plugged_after_resume = True
            test_index += 1

            # Reverse plugged states, when internal audio is tested
            if self.is_internal:
                plugged_after_resume = False
                plugged_before_suspend = not plugged_before_suspend
                plugged_after_suspend = not plugged_after_suspend
                plugged_before_resume = not plugged_before_resume
            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, 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))
Example #21
0
    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)
Example #22
0
    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.

        """
        golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE

        chameleon_board = host.chameleon
        factory = self.create_remote_facade_factory(host)

        chameleon_board.reset()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEOUT)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.EXTERNAL_MIC)
        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')

            _, input_nodes = audio_facade.get_selected_node_types()
            if input_nodes != ['MIC']:
                raise error.TestFail(
                    '%s rather than external mic is selected on Cros '
                    'device' % input_nodes)

            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(1.5)

        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 from Chameleon Line-Out to
        # Cros device external microphone has gone through analog processing.
        # 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,
                                                  check_anomaly=check_quality)
Example #23
0
    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)
Example #24
0
    def run_once(self, host, check_quality=False, chrome_block_size=None):
        """Running basic headphone audio tests.

        @param host: device under test host
        @param check_quality: flag to check audio quality.
        @param chrome_block_size: A number to be passed to Chrome
                                  --audio-buffer-size argument to specify
                                  block size.

        """
        if not audio_test_utils.has_headphone(host):
            logging.info('Skip the test because there is no headphone')
            return

        golden_file = audio_test_data.GenerateAudioTestData(
            data_format=dict(file_type='wav',
                             sample_format='S16_LE',
                             channel=2,
                             rate=48000),
            path=os.path.join(self.bindir, 'fix_660_16.wav'),
            duration_secs=60,
            frequencies=[660, 660])

        chameleon_board = host.chameleon

        # Checks if a block size is specified for Chrome.
        extra_browser_args = None
        if chrome_block_size:
            extra_browser_args = ['--audio-buffer-size=%d' % chrome_block_size]

        factory = remote_facade_factory.RemoteFacadeFactory(
            host,
            results_dir=self.resultsdir,
            extra_browser_args=extra_browser_args)

        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        headphone = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.HEADPHONE)
        linein = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)
        headphone_linein_binder = widget_factory.create_binder(
            headphone, linein)

        usb_out = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.USBOUT)
        usb_in = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.USBIN)
        usb_binder = widget_factory.create_binder(usb_out, usb_in)

        with chameleon_audio_helper.bind_widgets(headphone_linein_binder):
            with chameleon_audio_helper.bind_widgets(usb_binder):
                time.sleep(self.DELAY_AFTER_BINDING_SECONDS)
                audio_facade = factory.create_audio_facade()

                audio_test_utils.dump_cros_audio_logs(host, audio_facade,
                                                      self.resultsdir,
                                                      'after_binding')

                # Checks whether line-out or headphone is detected.
                hp_jack_node_type = audio_test_utils.check_hp_or_lineout_plugged(
                    audio_facade)

                # Checks headphone and USB nodes are plugged.
                # Let Chrome select the proper I/O nodes.
                # Input is USB, output is headphone.
                audio_test_utils.check_and_set_chrome_active_node_types(
                    audio_facade=audio_facade,
                    output_type=hp_jack_node_type,
                    input_type='USB')

                logging.info('Setting playback data on Chameleon')
                usb_out.set_playback_data(golden_file)

                browser_facade = factory.create_browser_facade()
                apprtc = webrtc_utils.AppRTCController(browser_facade)
                logging.info('Load AppRTC loopback webpage')
                apprtc.new_apprtc_loopback_page()

                logging.info('Start recording from Chameleon.')
                linein.start_recording()

                logging.info('Start playing %s on Cros device',
                             golden_file.path)
                usb_out.start_playback()

                time.sleep(self.RECORD_SECONDS)

                linein.stop_recording()
                logging.info('Stopped recording from Chameleon.')

                audio_test_utils.dump_cros_audio_logs(host, audio_facade,
                                                      self.resultsdir,
                                                      'after_recording')

                usb_out.stop_playback()

                linein.read_recorded_binary()
                logging.info('Read recorded binary from Chameleon.')

        golden_file.delete()

        recorded_file = os.path.join(self.resultsdir, "recorded.raw")
        logging.info('Saving recorded data to %s', recorded_file)
        linein.save_file(recorded_file)

        diagnostic_path = os.path.join(
            self.resultsdir, 'audio_diagnostics.txt.after_recording')
        logging.info('Examine diagnostic file at %s', diagnostic_path)
        diag_warning_msg = audio_test_utils.examine_audio_diagnostics(
            diagnostic_path)
        if diag_warning_msg:
            logging.warning(diag_warning_msg)

        # Raise error.TestFail if there is issue.
        audio_test_utils.check_recorded_frequency(
            golden_file, linein, check_artifacts=check_quality)
    def run_once(self, host):
        if not audio_test_utils.has_internal_microphone(host):
            return

        golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE

        chameleon_board = host.chameleon
        factory = self.create_remote_facade_factory(host)

        chameleon_board.reset()

        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')

            _, input_nodes = audio_facade.get_selected_node_types()
            if input_nodes != ['INTERNAL_MIC']:
                raise error.TestFail(
                        '%s rather than internal mic is selected on Cros '
                        'device' % input_nodes)

            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,
                 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)
Example #27
0
    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, suspend=False):
        """Runs Basic Audio Hotwording test.

        @param host: device under test CrosHost

        @param suspend: True for suspend the device before playing hotword.
                        False for hotwording test suspend.

        """
        if (not audio_test_utils.has_hotwording(host)):
            return

        hotword_file = audio_test_data.HOTWORD_TEST_FILE
        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)

        listener = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.HOTWORDING)

        with chameleon_audio_helper.bind_widgets(binder):
            time.sleep(self.DELAY_AFTER_BINDING_SECS)
            audio_facade = factory.create_audio_facade()

            audio_test_utils.dump_cros_audio_logs(
                    host, audio_facade, self.resultsdir, 'after_binding')

            logging.info('Start listening from Cros device.')
            listener.start_listening()
            time.sleep(self.DELAY_AFTER_START_LISTENING_SECS)

            audio_test_utils.dump_cros_audio_logs(
                    host, audio_facade, self.resultsdir,
                    'after_start_listening')

            if suspend:
                def suspend_host():
                    logging.info('Suspend the DUT for %d secs',
                                 self.SUSPEND_SECONDS)
                    host.suspend(suspend_time=self.SUSPEND_SECONDS,
                                 allow_early_resume=True)

                # Folk a thread to suspend the host
                boot_id = host.get_boot_id()
                thread = threading.Thread(target=suspend_host)
                thread.start()
                suspend_start_time = time.time()
                time.sleep(self.DELAY_AFTER_SUSPEND_SECS)

            # Starts playing hotword and golden file.
            # Sleep for 5s for DUT to detect and record the sounds
            logging.info('Setting hotword playback data on Chameleon')
            remote_hotword_file_path = source.set_playback_data(hotword_file)

            logging.info('Setting golden playback data on Chameleon')
            remote_golden_file_path = source.set_playback_data(golden_file)

            logging.info('Start playing %s from Chameleon',
                         hotword_file.path)
            source.start_playback_with_path(remote_hotword_file_path)
            time.sleep(hotword_file.duration_secs)

            logging.info('Start playing %s from Chameleon',
                         golden_file.path)
            source.start_playback_with_path(remote_golden_file_path)

            time.sleep(self.RECORD_SECONDS)

            # If the DUT suspended, the server will reconnect to DUT
            if suspend:
                host.test_wait_for_resume(boot_id, self.RESUME_TIMEOUT_SECS)
                real_suspend_time = time.time() - suspend_start_time
                logging.info('Suspend for %f time.', real_suspend_time)

                # Check the if real suspend time is less than SUSPEND_SECOND
                if real_suspend_time < self.SUSPEND_SECONDS:
                    logging.info('Real suspend time is less than '
                                 'SUSPEND_SECONDS. Hotwording succeeded.')
                else:
                    logging.error('Real suspend time is larger than or equal to'
                                  'SUSPEND_SECONDS. Hostwording failed.')

            listener.stop_listening()
            logging.info('Stopped listening from Cros device.')

            audio_test_utils.dump_cros_audio_logs(
                    host, audio_facade, self.resultsdir, 'after_listening')

            listener.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)
        listener.save_file(recorded_file)

        # Removes the first 5s of recorded data, which included hotword and
        # the data before hotword.
        listener.remove_head(5.0)
        short_recorded_file = os.path.join(self.resultsdir,
                                           "short_recorded.raw")
        listener.save_file(short_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.
        listener.channel_map = [0]

        # Compares data by frequency. Audio signal from Chameleon Line-Out to
        # speaker and finally recorded on Cros device using hotwording chip
        # 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, listener,
                                                  second_peak_ratio=0.2)