Exemple #1
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    def playback_and_suspend(self, audio_facade, while_playback):
        """ Does playback and suspend-resume.

        @param audio_facade: audio facade to check nodes.
        @param while_playback: whether to play when suspending.
        """
        if while_playback:
            logging.info('Playing audio served on the web...')
            web_file = audio_test_data.HEADPHONE_10MIN_TEST_FILE
            file_url = getattr(web_file, 'url', None)
            browser_facade = self.factory.create_browser_facade()
            tab_descriptor = browser_facade.new_tab(file_url)
            time.sleep(self.WEB_PLAYBACK_SEC)
        logging.info('Suspending...')
        boot_id = self.host.get_boot_id()
        self.host.suspend(suspend_time=self.SUSPEND_SEC)
        self.host.test_wait_for_resume(boot_id, self.CONNECT_TIMEOUT_SEC)
        logging.info('Resumed and back online.')
        time.sleep(self.WAIT_TO_REBIND_SEC)

        # Stop audio playback by closing the browser tab.
        if while_playback:
            browser_facade.close_tab(tab_descriptor)
        audio_test_utils.check_audio_nodes(audio_facade,
                                        (['HDMI'], None))
 def check_default_nodes(self):
     """Checks default audio nodes for devices with onboard audio support."""
     if audio_test_utils.has_internal_microphone(self.host):
         audio_test_utils.check_audio_nodes(self.audio_facade,
                                            (None, ['INTERNAL_MIC']))
     if audio_test_utils.has_internal_speaker(self.host):
         audio_test_utils.check_audio_nodes(self.audio_facade,
                                            (['INTERNAL_SPEAKER'], None))
Exemple #3
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    def disconnect_connect_bt(self, link):
        """Performs disconnect and connect BT module

        @param link: binder link to control BT adapter

        """

        logging.info("Disconnecting BT module...")
        link.adapter_disconnect_module()
        time.sleep(self.DELAY_AFTER_DISCONNECT_SECONDS)
        audio_test_utils.check_audio_nodes(self.audio_facade,
                                           (['INTERNAL_SPEAKER'], None))
        logging.info("Connecting BT module...")
        link.adapter_connect_module()
        time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
    def disconnect_connect_bt(self, link):
        """Performs disconnect and connect BT module

        @param link: binder link to control BT adapter

        """

        logging.info("Disconnecting BT module...")
        link.adapter_disconnect_module()
        time.sleep(self.DELAY_AFTER_DISCONNECT_SECONDS)
        if audio_test_utils.has_internal_microphone(self.host):
            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (None, ['INTERNAL_MIC']))
        logging.info("Connecting BT module...")
        link.adapter_connect_module()
        time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
    def check_active_node_volume(self, node):
        """Checks the active node type and checks if its volume is as expected.

        @param node: The expected node.

        @raises: TestFail if node volume is not as expected.

        """
        # Checks the node type is the active node type.
        audio_test_utils.check_audio_nodes(self.audio_facade, ([node], None))
        # Checks if active volume is the node volume.
        volume, mute = self.audio_facade.get_chrome_active_volume_mute()
        expected_volume = self._VOLUMES[node]
        if volume != expected_volume:
            raise error.TestFail(
                    'Node %s volume %d != %d' % (node, volume, expected_volume))
Exemple #6
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    def disable_enable_bt(self, link):
        """Performs turn off and then on BT module

        @param link: binder link to control BT adapter

        """

        logging.info("Turning off BT module...")
        link.disable_bluetooth_module()
        time.sleep(self.DELAY_AFTER_DISABLING_MODULE_SECONDS)
        audio_test_utils.check_audio_nodes(self.audio_facade,
                                           (['INTERNAL_SPEAKER'], None))
        logging.info("Turning on BT module...")
        link.enable_bluetooth_module()
        time.sleep(self.DELAY_AFTER_ENABLING_MODULE_SECONDS)
        logging.info("Connecting BT module...")
        link.adapter_connect_module()
        time.sleep(self.DELAY_AFTER_RECONNECT_SECONDS)
    def run_once(self, host, suspend=False, disable=False, disconnect=False):
        """Runs bluetooth audio connection test."""
        self.host = host

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

        chameleon_board = host.chameleon
        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.BLUETOOTH_HEADPHONE)
        bluetooth_widget = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)

        binder = widget_factory.create_binder(source, bluetooth_widget,
                                              recorder)

        with chameleon_audio_helper.bind_widgets(binder):

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

            if audio_test_utils.has_internal_microphone(host):
                self.audio_facade.set_chrome_active_node_type(
                    None, 'BLUETOOTH')

            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (['BLUETOOTH'], ['BLUETOOTH']))

            # Monitors there is no node change in this time period.
            with audio_test_utils.monitor_no_nodes_changed(
                    self.audio_facade, self.dump_logs_after_nodes_changed):
                logging.debug('Monitoring NodesChanged signal for %s seconds',
                              self.CONNECTION_TEST_TIME_SECS)
                time.sleep(self.CONNECTION_TEST_TIME_SECS)
Exemple #8
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    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)
Exemple #9
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    def run_once(self, host, suspend=False,
                 disable=False, disconnect=False, check_quality=False):
        """Running Bluetooth basic audio tests

        @param host: device under test host
        @param suspend: suspend flag to enable suspend before play/record
        @param disable: disable flag to disable BT module before play/record
        @param disconnect: disconnect flag to disconnect BT module
            before play/record
        @param check_quality: flag to check audio quality.

        """
        self.host = host
        golden_file = audio_test_data.FREQUENCY_TEST_FILE

        factory = self.create_remote_facade_factory(host)
        self.audio_facade = factory.create_audio_facade()

        chameleon_board = host.chameleon
        chameleon_board.reset()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
                factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.BLUETOOTH_HEADPHONE)
        bluetooth_widget = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)

        binder = widget_factory.create_binder(
                source, bluetooth_widget, recorder)

        with chameleon_audio_helper.bind_widgets(binder):

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

            # Checks the node selected by Cras is correct.
            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (['BLUETOOTH'], None))

            self.audio_facade.set_selected_output_volume(80)

            # Starts playing, waits for some time, and then starts recording.
            # This is to avoid artifact caused by codec initialization.
            source.set_playback_data(golden_file)

            # Create link to control BT adapter.
            link = binder.get_binders()[0].get_link()

            if disable:
                self.disable_enable_bt(link)
            if disconnect:
                self.disconnect_connect_bt(link)
            if suspend:
                audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)

            utils.poll_for_condition(condition=factory.ready,
                                     timeout=self.PRC_RECONNECT_TIMEOUT,
                                     desc='multimedia server reconnect')

            if disable or disconnect or suspend:
                audio_test_utils.dump_cros_audio_logs(
                        host, self.audio_facade, self.resultsdir,
                        'after_action')

            # Gives DUT some time to auto-reconnect bluetooth after resume.
            if suspend:
                utils.poll_for_condition(
                        condition=self.bluetooth_nodes_plugged,
                        timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS,
                        desc='bluetooth node auto-reconnect after suspend')
                # Delay some time for A2DP to be reconnected.
                # Normally this happens several seconds after HSP is
                # reconnected. However, there is no event what we can wait for,
                # so just wait some time.
                time.sleep(self.DELAY_FOR_A2DP_RECONNECT_AFTER_SUSPEND)

            with audio_test_utils.monitor_no_nodes_changed(
                    self.audio_facade, self.dump_logs_after_nodes_changed):
                # Checks the node selected by Cras is correct again.
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['BLUETOOTH'], None))

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

                source.start_playback()

                time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
                logging.info('Start recording from Chameleon.')
                recorder.start_recording()

                time.sleep(self.RECORD_SECONDS)

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

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

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

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Chameleon codec initialization in the beginning of
        # recording.
        recorder.remove_head(0.5)

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

        # Compares data by frequency. Audio signal recorded by microphone has
        # gone through analog processing and through the air.
        # This suffers from codec artifacts and noise on the path.
        # Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(
                golden_file, recorder, check_anomaly=check_quality)
    def run_once(self,
                 host,
                 suspend=False,
                 disable=False,
                 disconnect=False,
                 check_quality=False):
        """Running Bluetooth basic audio tests

        @param host: device under test host
        @param suspend: suspend flag to enable suspend before play/record
        @param disable: disable flag to disable BT module before play/record
        @param disconnect: disconnect flag to disconnect BT module
            before play/record
        @param check_quality: flag to check audio quality.

        """

        self.host = host
        golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE

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

        chameleon_board = host.chameleon
        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEOUT)
        bluetooth_widget = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_TX)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.BLUETOOTH_MIC)

        binder = widget_factory.create_binder(source, bluetooth_widget,
                                              recorder)

        second_peak_ratio = audio_test_utils.get_second_peak_ratio(
            source_id=source.port_id,
            recorder_id=recorder.port_id,
            is_hsp=True)

        with chameleon_audio_helper.bind_widgets(binder):

            audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
                                                  self.resultsdir,
                                                  'after_binding')
            # For DUTs with permanently connected audio jack cable
            # Bluetooth output node should be selected explicitly.
            output_nodes, _ = self.audio_facade.get_plugged_node_types()
            audio_jack_plugged = False
            if 'HEADPHONE' in output_nodes or 'LINEOUT' in output_nodes:
                audio_jack_plugged = True
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (None, ['MIC']))
            elif audio_test_utils.has_internal_microphone(host):
                # Checks the input node selected by Cras is internal microphone.
                # Checks crbug.com/495537 for the reason to lower bluetooth
                # microphone priority.
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (None, ['INTERNAL_MIC']))

            # Selects bluetooth mic to be the active input node.
            if (audio_test_utils.has_internal_microphone(host)
                    or audio_jack_plugged):
                self.audio_facade.set_chrome_active_node_type(
                    None, 'BLUETOOTH')

            # Checks the node selected by Cras is correct again.
            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (None, ['BLUETOOTH']))

            # Starts playing, waits for some time, and then starts recording.
            # This is to avoid artifact caused by codec initialization.
            source.set_playback_data(golden_file)

            # Create link to control BT adapter.
            link = binder.get_binders()[1].get_link()

            if disable:
                self.disable_enable_bt(link)
            if disconnect:
                self.disconnect_connect_bt(link)
            if suspend:
                audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)

            utils.poll_for_condition(condition=factory.ready,
                                     timeout=self.PRC_RECONNECT_TIMEOUT,
                                     desc='multimedia server reconnect')

            if disable or disconnect or suspend:
                audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
                                                      self.resultsdir,
                                                      'after_action')

            # Gives DUT some time to auto-reconnect bluetooth after resume.
            if suspend:
                utils.poll_for_condition(
                    condition=self.bluetooth_nodes_plugged,
                    timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS,
                    desc='bluetooth node auto-reconnect after suspend')

            if audio_test_utils.has_internal_microphone(host):
                # Select again BT input as default input node is INTERNAL_MIC
                self.audio_facade.set_chrome_active_node_type(
                    None, 'BLUETOOTH')

            with audio_test_utils.monitor_no_nodes_changed(
                    self.audio_facade, self.dump_logs_after_nodes_changed):
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (None, ['BLUETOOTH']))

                logging.info('Start playing %s on Chameleon', golden_file.path)
                source.start_playback()

                time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
                logging.info('Start recording from Cros device.')
                recorder.start_recording()

                time.sleep(self.RECORD_SECONDS)

                recorder.stop_recording()
                logging.info('Stopped recording from Cros device.')

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

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

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by bluetooth module initialization in the beginning of
        # its playback.
        recorder.remove_head(0.5)

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

        # Compares data by frequency. Audio signal recorded by microphone has
        # gone through analog processing and through the air.
        # This suffers from codec artifacts and noise on the path.
        # Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(
            golden_file,
            recorder,
            check_anomaly=check_quality,
            second_peak_ratio=second_peak_ratio)
Exemple #11
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    def run_once(self,
                 host,
                 source_id,
                 sink_id,
                 recorder_id,
                 volume_spec,
                 golden_file,
                 cfm_speaker=False,
                 switch_hsp=False):
        """Running audio volume test.

        @param host: device under test CrosHost
        @param source_id: An ID defined in chameleon_audio_ids for source.
        @param sink_id: An ID defined in chameleon_audio_ids for sink if needed.
                        Currently this is only used on bluetooth.
        @param recorder: An ID defined in chameleon_audio_ids for recording.
        @param volume_spec: A tuple (low_volume, high_volume, highest_ratio).
                            Low volume and high volume specifies the two volumes
                            used in the test, and highest_ratio speficies the
                            highest acceptable value for
                            recorded_volume_low / recorded_volume_high.
                            For example, (50, 100, 0.2) asserts that
                            (recorded magnitude at volume 50) should be lower
                            than (recorded magnitude at volume 100) * 0.2.
        @param golden_file: A test file defined in audio_test_data.
        @param switch_hsp: Run a recording process on Cros device. This is
                           to trigger Cros switching from A2DP to HSP.
        @param cfm_speaker: whether cfm_speaker's audio is tested which is an
            external USB speaker on CFM (ChromeBox For Meetings) devices.

        """
        if (source_id == chameleon_audio_ids.CrosIds.SPEAKER
                and (not cfm_speaker
                     and not audio_test_utils.has_internal_speaker(host))):
            return

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

        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(source_id)
        recorder = widget_factory.create_widget(recorder_id)

        # Chameleon Mic does not need binding.
        binding = (recorder_id != chameleon_audio_ids.ChameleonIds.MIC)

        binder = None

        if binding:
            if sink_id:
                sink = widget_factory.create_widget(sink_id)
                binder = widget_factory.create_binder(source, sink, recorder)
            else:
                binder = widget_factory.create_binder(source, recorder)

        low_volume, high_volume, highest_ratio = volume_spec
        ignore_frequencies = [50, 60]

        second_peak_ratio = audio_test_utils.get_second_peak_ratio(
            source_id=source_id, recorder_id=recorder_id, is_hsp=switch_hsp)

        with chameleon_audio_helper.bind_widgets(binder):
            # Checks the node selected by cras is correct.
            time.sleep(self.DELAY_AFTER_BINDING)
            audio_facade = factory.create_audio_facade()

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

            if not cfm_speaker:
                audio_test_utils.check_output_port(audio_facade,
                                                   source.port_id)
            else:
                audio_test_utils.check_audio_nodes(audio_facade,
                                                   (['USB'], None))

            if switch_hsp:
                audio_test_utils.switch_to_hsp(audio_facade)

            logging.info('Setting playback data on Cros device')
            source.set_playback_data(golden_file)

            def playback_record(tag):
                """Playback and record.

                @param tag: file name tag.

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

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

                time.sleep(self.RECORD_SECONDS)

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

                audio_test_utils.dump_cros_audio_logs(
                    host, audio_facade, self.resultsdir,
                    'after_recording_' + 'tag')

                source.stop_playback()

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

                recorded_file = os.path.join(self.resultsdir,
                                             "recorded_%s.raw" % tag)
                logging.info('Saving recorded data to %s', recorded_file)
                recorder.save_file(recorded_file)
                recorder.remove_head(0.5)

            audio_facade.set_chrome_active_volume(low_volume)
            playback_record('low')
            low_dominant_spectrals = audio_test_utils.check_recorded_frequency(
                golden_file,
                recorder,
                second_peak_ratio=second_peak_ratio,
                ignore_frequencies=ignore_frequencies)

            audio_facade.set_chrome_active_volume(high_volume)
            playback_record('high')
            high_dominant_spectrals = audio_test_utils.check_recorded_frequency(
                golden_file,
                recorder,
                second_peak_ratio=second_peak_ratio,
                ignore_frequencies=ignore_frequencies)

            error_messages = []
            logging.info('low_dominant_spectrals: %s', low_dominant_spectrals)
            logging.info('high_dominant_spectrals: %s',
                         high_dominant_spectrals)

            for channel in xrange(len(low_dominant_spectrals)):
                _, low_coeff = low_dominant_spectrals[channel]
                _, high_coeff = high_dominant_spectrals[channel]
                ratio = low_coeff / high_coeff
                logging.info('Channel %d volume(at %f) / volume(at %f) = %f',
                             channel, low_volume, high_volume, ratio)
                if ratio > highest_ratio:
                    error_messages.append(
                        'Channel %d volume ratio: %f is incorrect.' %
                        (channel, ratio))
            if error_messages:
                raise error.TestFail('Failed volume check: %s' %
                                     ' '.join(error_messages))
 def check_correct_audio_node_selected(self):
     """Checks the node selected by Cras is correct."""
     audio_test_utils.check_audio_nodes(self.audio_facade, self.audio_nodes)
    def run_once(self, host, jack_node=False, hdmi_node=False, usb_node=False):
        self.host = host
        chameleon_board = host.chameleon
        audio_board = chameleon_board.get_audio_board()
        factory = self.create_remote_facade_factory(host)

        chameleon_board.reset()
        self.audio_facade = factory.create_audio_facade()
        self.display_facade = factory.create_display_facade()

        self.check_default_nodes()
        nodes = []
        if audio_test_utils.has_internal_speaker(self.host):
            self.set_active_volume_to_node_volume('INTERNAL_SPEAKER')
            nodes.append('INTERNAL_SPEAKER')
            self.switch_nodes_and_check_volume(nodes)


        if hdmi_node:
            edid_path = os.path.join(self.bindir,
                                     'test_data/edids/HDMI_DELL_U2410.txt')
            finder = chameleon_port_finder.ChameleonVideoInputFinder(
                chameleon_board, self.display_facade)
            hdmi_port = finder.find_port('HDMI')
            hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
            time.sleep(self._APPLY_EDID_DELAY)
            hdmi_port.set_plug(True)
            time.sleep(self._PLUG_DELAY)

            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (['HDMI'], None))

            self.set_active_volume_to_node_volume('HDMI')
            nodes.append('HDMI')
            self.switch_nodes_and_check_volume(nodes)

        if jack_node:
            jack_plugger = audio_board.get_jack_plugger()
            jack_plugger.plug()
            time.sleep(self._PLUG_DELAY)
            audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
                                                  self.resultsdir)
            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (['HEADPHONE'], ['MIC']))

            self.set_active_volume_to_node_volume('HEADPHONE')
            nodes.append('HEADPHONE')
            self.switch_nodes_and_check_volume(nodes)

        if usb_node:
            widget_factory = chameleon_audio_helper.AudioWidgetFactory(
                factory, host)

            source = widget_factory.create_widget(
                chameleon_audio_ids.CrosIds.USBOUT)
            recorder = widget_factory.create_widget(
                chameleon_audio_ids.ChameleonIds.USBIN)
            binder = widget_factory.create_binder(source, recorder)

            with chameleon_audio_helper.bind_widgets(binder):
                time.sleep(self._PLUG_DELAY)
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['USB'], ['USB']))
                self.set_active_volume_to_node_volume('USB')
                nodes.append('USB')
                self.switch_nodes_and_check_volume(nodes)
            time.sleep(self._PLUG_DELAY)
            nodes.remove('USB')
            self.switch_nodes_and_check_volume(nodes)

        if jack_node:
            if usb_node:
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['HEADPHONE'], ['MIC']))
            jack_plugger.unplug()
            time.sleep(self._PLUG_DELAY)
            nodes.remove('HEADPHONE')
            self.switch_nodes_and_check_volume(nodes)

        if hdmi_node:
            if usb_node or jack_node :
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['HDMI'], None))
            hdmi_port.set_plug(False)
            time.sleep(self._PLUG_DELAY)
            nodes.remove('HDMI')
            self.switch_nodes_and_check_volume(nodes)

        self.check_default_nodes()
    def run_once(self, host, cfm_speaker=False):

        if not cfm_speaker and not audio_test_utils.has_internal_speaker(host):
            return

        golden_file = audio_test_data.SIMPLE_FREQUENCY_SPEAKER_TEST_FILE

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

        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
                factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.SPEAKER)

        recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.MIC)

        audio_facade = factory.create_audio_facade()

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

        # Checks the node selected by cras is correct.
        if not cfm_speaker:
            audio_test_utils.check_audio_nodes(audio_facade,
                    (['INTERNAL_SPEAKER'], None))
        else:
            audio_test_utils.check_audio_nodes(audio_facade, (['USB'], None))

        audio_facade.set_selected_output_volume(80)

        logging.info('Setting playback data on Cros device')
        source.set_playback_data(golden_file)

        # Starts playing, waits for some time, and then starts recording.
        # This is to avoid artifact caused by codec initialization.
        logging.info('Start playing %s on Cros device',
                     golden_file.path)
        source.start_playback()

        time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
        logging.info('Start recording from Chameleon.')
        recorder.start_recording()

        time.sleep(self.RECORD_SECONDS)

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

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

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

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Chameleon codec initialization in the beginning of
        # recording.
        recorder.remove_head(0.5)

        # Removes noise by a lowpass filter.
        recorder.lowpass_filter(1000)
        recorded_file = os.path.join(self.resultsdir, "recorded_filtered.raw")
        logging.info('Saving filtered data to %s', recorded_file)
        recorder.save_file(recorded_file)

        # Compares data by frequency. Audio signal recorded by microphone has
        # gone through analog processing and through the air.
        # This suffers from codec artifacts and noise on the path.
        # Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(golden_file, recorder,
                                                  second_peak_ratio=0.1,
                                                  ignore_frequencies=[50, 60])
    def run_once(self, host, cfm_speaker=False):
        """Runs Basic Audio Microphone test.

        @param host: device under test CrosHost
        @param cfm_speaker: whether cfm_speaker's audio is tested which is an
            external USB speaker on CFM (ChromeBox For Meetings) devices.

        """
        if (not cfm_speaker
                and not audio_test_utils.has_internal_microphone(host)):
            return

        golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_1330_FILE

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

        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEOUT)
        sink = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.SPEAKER)
        binder = widget_factory.create_binder(source, sink)

        recorder = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.INTERNAL_MIC)

        with chameleon_audio_helper.bind_widgets(binder):
            # Checks the node selected by cras is correct.
            time.sleep(self.DELAY_AFTER_BINDING)
            audio_facade = factory.create_audio_facade()

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

            expected_internal_mic_node = cras_configs.get_internal_mic_node(
                audio_test_utils.get_board_name(host), host.get_platform())
            if not cfm_speaker:
                audio_test_utils.check_audio_nodes(
                    audio_facade, (None, [expected_internal_mic_node]))
            else:
                audio_test_utils.check_audio_nodes(audio_facade,
                                                   (None, ['USB']))

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

            # Starts playing, waits for some time, and then starts recording.
            # This is to avoid artifact caused by chameleon codec initialization
            # in the beginning of playback.
            logging.info('Start playing %s from Chameleon', golden_file.path)
            source.start_playback()

            time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
            logging.info('Start recording from Cros device.')
            recorder.start_recording()

            time.sleep(self.RECORD_SECONDS)

            recorder.stop_recording()
            logging.info('Stopped recording from Cros device.')

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

            recorder.read_recorded_binary()
            logging.info('Read recorded binary from Cros device.')

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Cros device codec initialization in the beginning of
        # recording.
        recorder.remove_head(1.0)

        # Removes noise by a lowpass filter.
        recorder.lowpass_filter(1500)
        recorded_file = os.path.join(self.resultsdir, "recorded_filtered.raw")
        logging.info('Saving filtered data to %s', recorded_file)
        recorder.save_file(recorded_file)

        # Cros device only records one channel data. Here we set the channel map
        # of the recorder to compare the recorded data with left channel of the
        # test data. This is fine as left and right channel of test data are
        # identical.
        recorder.channel_map = [0]

        # Compares data by frequency. Audio signal from Chameleon Line-Out to
        # speaker and finally recorded on Cros device using internal microphone
        # has gone through analog processing and through the air.
        # This suffers from codec artifacts and noise on the path.
        # Comparing data by frequency is more robust than comparing them by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(golden_file,
                                                  recorder,
                                                  second_peak_ratio=0.2)
    def run_once(self, host, suspend=False,
                 disable=False, disconnect=False, check_quality=False):
        """Running Bluetooth basic audio tests

        @param host: device under test host
        @param suspend: suspend flag to enable suspend before play/record
        @param disable: disable flag to disable BT module before play/record
        @param disconnect: disconnect flag to disconnect BT module
            before play/record
        @param check_quality: flag to check audio quality.

        """
        self.host = host

        # Bluetooth HSP/HFP profile only supports one channel
        # playback/recording. So we should use simple frequency
        # test file which contains identical sine waves in two
        # channels.
        golden_file = audio_test_data.SIMPLE_FREQUENCY_TEST_FILE

        factory = self.create_remote_facade_factory(host)
        self.audio_facade = factory.create_audio_facade()

        chameleon_board = host.chameleon
        chameleon_board.reset()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
                factory, host)

        playback_source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.BLUETOOTH_HEADPHONE)
        playback_bluetooth_widget = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_RX)
        playback_recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)
        playback_binder = widget_factory.create_binder(
                playback_source, playback_bluetooth_widget, playback_recorder)

        record_source = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEOUT)
        record_bluetooth_widget = widget_factory.create_widget(
            chameleon_audio_ids.PeripheralIds.BLUETOOTH_DATA_TX)
        record_recorder = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.BLUETOOTH_MIC)
        record_binder = widget_factory.create_binder(
                record_source, record_bluetooth_widget, record_recorder)

        with chameleon_audio_helper.bind_widgets(playback_binder):
            with chameleon_audio_helper.bind_widgets(record_binder):

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

                # Checks the input node selected by Cras is internal microphone.
                # Checks crbug.com/495537 for the reason to lower bluetooth
                # microphone priority.
                if audio_test_utils.has_internal_microphone(host):
                    audio_test_utils.check_audio_nodes(self.audio_facade,
                                                       (None, ['INTERNAL_MIC']))

                self.audio_facade.set_selected_output_volume(80)

                # Selecting input nodes needs to be after setting volume because
                # after setting volume, Cras notifies Chrome there is changes
                # in nodes, and Chrome selects the output/input nodes based
                # on its preference again. See crbug.com/535643.

                # Selects bluetooth mic to be the active input node.
                if audio_test_utils.has_internal_microphone(host):
                    self.audio_facade.set_chrome_active_node_type(
                            None, 'BLUETOOTH')

                # Checks the node selected by Cras is correct.
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['BLUETOOTH'],
                                                    ['BLUETOOTH']))

                # Setup the playback data. This step is time consuming.
                playback_source.set_playback_data(golden_file)
                record_source.set_playback_data(golden_file)

                # Create links to control disconnect and off/on BT adapter.
                link = playback_binder.get_binders()[0].get_link()

                if disable:
                    self.disable_enable_bt(link)
                if disconnect:
                    self.disconnect_connect_bt(link)
                if suspend:
                    audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)

                if disable or disconnect or suspend:
                    audio_test_utils.dump_cros_audio_logs(
                            host, self.audio_facade, self.resultsdir,
                            'after_action')

                utils.poll_for_condition(condition=factory.ready,
                                         timeout=self.PRC_RECONNECT_TIMEOUT,
                                         desc='multimedia server reconnect')

                # Gives DUT some time to auto-reconnect bluetooth after resume.
                if suspend:
                    utils.poll_for_condition(
                            condition=self.bluetooth_nodes_plugged,
                            timeout=self.BLUETOOTH_RECONNECT_TIMEOUT_SECS,
                            desc='bluetooth node auto-reconnect after suspend')

                if audio_test_utils.has_internal_microphone(host):
                    # Select again BT input, as default input node is
                    # INTERNAL_MIC.
                    self.audio_facade.set_chrome_active_node_type(
                            None, 'BLUETOOTH')

                with audio_test_utils.monitor_no_nodes_changed(
                        self.audio_facade, self.dump_logs_after_nodes_changed):
                    # Checks the node selected by Cras is correct again.
                    audio_test_utils.check_audio_nodes(self.audio_facade,
                                                       (['BLUETOOTH'],
                                                        ['BLUETOOTH']))

                    # Starts playing, waits for some time, and then starts
                    # recording. This is to avoid artifact caused by codec
                    # initialization.
                    logging.info('Start playing %s on Cros device',
                                 golden_file.path)
                    playback_source.start_playback()
                    logging.info('Start playing %s on Chameleon device',
                                 golden_file.path)
                    record_source.start_playback()

                    time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
                    logging.info('Start recording from Chameleon.')
                    playback_recorder.start_recording()
                    logging.info('Start recording from Cros device.')
                    record_recorder.start_recording()

                    time.sleep(self.RECORD_SECONDS)

                    playback_recorder.stop_recording()
                    logging.info('Stopped recording from Chameleon.')
                    record_recorder.stop_recording()
                    logging.info('Stopped recording from Cros device.')

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

                    # Sleeps until playback data ends to prevent audio from
                    # going to internal speaker.
                    time.sleep(self.SLEEP_AFTER_RECORD_SECONDS)

                    # Gets the recorded data. This step is time consuming.
                    playback_recorder.read_recorded_binary()
                    logging.info('Read recorded binary from Chameleon.')
                    record_recorder.read_recorded_binary()
                    logging.info('Read recorded binary from Chameleon.')

                    recorded_file = os.path.join(
                            self.resultsdir, "playback_recorded.raw")
                    logging.info('Playback: Saving recorded data to %s',
                                 recorded_file)
                    playback_recorder.save_file(recorded_file)
                    recorded_file = os.path.join(
                            self.resultsdir, "record_recorded.raw")
                    logging.info('Record: Saving recorded data to %s',
                                  recorded_file)
                    record_recorder.save_file(recorded_file)

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Chameleon codec initialization in the beginning of
        # recording.
        playback_recorder.remove_head(0.5)

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by bluetooth module initialization in the beginning of
        # its playback.
        record_recorder.remove_head(0.5)

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

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

        # Compares data by frequency. Audio signal recorded by microphone has
        # gone through analog processing and through the air.
        # This suffers from codec artifacts and noise on the path.
        # Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        # Use a second peak ratio that can tolerate more noise because HSP
        # is low-quality.
        second_peak_ratio = audio_test_utils.HSP_SECOND_PEAK_RATIO

        error_messages = ''
        try:
            audio_test_utils.check_recorded_frequency(
                    golden_file, playback_recorder, check_anomaly=check_quality,
                    second_peak_ratio=second_peak_ratio)
        except error.TestFail, e:
            error_messages += str(e)
    def run_once(self,
                 host,
                 video_hardware_acceleration=True,
                 video_url=DEFAULT_VIDEO_URL,
                 arc=False):
        """Running audio/video synchronization quality measurement

        @param host: A host object representing the DUT.
        @param video_hardware_acceleration: Enables the hardware acceleration
                                            for video decoding.
        @param video_url: The ULR of the test video.
        @param arc: Tests on ARC with an Android Video Player App.
        """
        self.host = host

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

        chrome_args = {
            'extension_paths':
            [constants.AUDIO_TEST_EXTENSION, constants.DISPLAY_TEST_EXTENSION],
            'extra_browser_args': [],
            'arc_mode':
            arc_common.ARC_MODE_DISABLED,
            'autotest_ext':
            True
        }
        if not video_hardware_acceleration:
            chrome_args['extra_browser_args'].append(
                '--disable-accelerated-video-decode')
        if arc:
            chrome_args['arc_mode'] = arc_common.ARC_MODE_ENABLED
        browser_facade = factory.create_browser_facade()
        browser_facade.start_custom_chrome(chrome_args)
        logging.info("created chrome")
        if arc:
            self.setup_video_app()

        chameleon_board = host.chameleon
        audio_facade = factory.create_audio_facade()
        display_facade = factory.create_display_facade()
        video_facade = factory.create_video_facade()

        audio_port_finder = chameleon_port_finder.ChameleonAudioInputFinder(
            chameleon_board)
        video_port_finder = chameleon_port_finder.ChameleonVideoInputFinder(
            chameleon_board, display_facade)
        audio_port = audio_port_finder.find_port('HDMI')
        video_port = video_port_finder.find_port('HDMI')

        chameleon_board.setup_and_reset(self.outputdir)

        _, ext = os.path.splitext(video_url)
        with tempfile.NamedTemporaryFile(prefix='playback_', suffix=ext) as f:
            # The default permission is 0o600.
            os.chmod(f.name, 0o644)

            file_utils.download_file(video_url, f.name)
            if arc:
                video_facade.prepare_arc_playback(f.name)
            else:
                video_facade.prepare_playback(f.name)

        edid_path = os.path.join(self.bindir,
                                 'test_data/edids/HDMI_DELL_U2410.txt')

        video_port.plug()
        with video_port.use_edid_file(edid_path):
            audio_facade.set_chrome_active_node_type('HDMI', None)
            audio_facade.set_chrome_active_volume(100)
            audio_test_utils.check_audio_nodes(audio_facade, (['HDMI'], None))
            display_facade.set_mirrored(True)
            video_port.start_monitoring_audio_video_capturing_delay()

            time.sleep(self.DELAY_BEFORE_CAPTURING)
            video_port.start_capturing_video((64, 64, 16, 16))
            audio_port.start_capturing_audio()

            time.sleep(self.DELAY_BEFORE_PLAYBACK)
            if arc:
                video_facade.start_arc_playback(blocking_secs=20)
            else:
                video_facade.start_playback(blocking=True)
            time.sleep(self.DELAY_AFTER_PLAYBACK)

            remote_path, _ = audio_port.stop_capturing_audio()
            video_port.stop_capturing_video()
            start_delay = video_port.get_audio_video_capturing_delay()

        local_path = os.path.join(self.resultsdir, 'recorded.raw')
        chameleon_board.host.get_file(remote_path, local_path)

        audio_data = open(local_path).read()
        video_data = video_port.get_captured_checksums()

        logging.info("audio capture %d bytes, %f seconds", len(audio_data),
                     len(audio_data) / float(self.AUDIO_CAPTURE_RATE) / 32)
        logging.info("video capture %d frames, %f seconds", len(video_data),
                     len(video_data) / float(self.VIDEO_CAPTURE_RATE))

        key_audio = self.compute_audio_keypoint(audio_data)
        key_video = self.compute_video_keypoint(video_data)
        # Use the capturing delay to align A/V
        key_video = map(lambda x: x + start_delay, key_video)

        dropped_frame_count = None
        if not arc:
            video_facade.dropped_frame_count()

        prefix = ''
        if arc:
            prefix = 'arc_'
        elif video_hardware_acceleration:
            prefix = 'hw_'
        else:
            prefix = 'sw_'

        self.log_result(prefix, key_audio, key_video, dropped_frame_count)
    def run_once(self, host, check_quality=False):
        """Running basic headphone audio tests.

        @param host: device under test host
        @param check_quality: flag to check audio quality.

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

        golden_file = audio_test_data.FREQUENCY_TEST_FILE

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

        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.HEADPHONE)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)
        binder = widget_factory.create_binder(source, recorder)

        with chameleon_audio_helper.bind_widgets(binder):
            # Checks the node selected by cras is correct.
            time.sleep(self.DELAY_AFTER_BINDING)
            audio_facade = factory.create_audio_facade()

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

            audio_test_utils.check_audio_nodes(audio_facade,
                                               (['HEADPHONE'], None))

            logging.info('Setting playback data on Cros device')
            source.set_playback_data(golden_file)

            # Starts playing, waits for some time, and then starts recording.
            # This is to avoid artifact caused by codec initialization.
            logging.info('Start playing %s on Cros device', golden_file.path)
            source.start_playback()

            time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
            logging.info('Start recording from Chameleon.')
            recorder.start_recording()

            time.sleep(self.RECORD_SECONDS)

            if check_quality:
                # Add a silence while recording to detect audio
                # spikes after playback.
                time.sleep(self.SILENCE_WAIT)

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

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

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

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Chameleon codec initialization in the beginning of
        # recording.
        recorder.remove_head(0.5)

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

        # Compares data by frequency. Headphone audio signal has gone through
        # analog processing. This suffers from codec artifacts and noise on the
        # path. Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(
            golden_file, recorder, check_artifacts=check_quality)
Exemple #19
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    def run_once(self,
                 host,
                 jack_node=False,
                 hdmi_node=False,
                 usb_node=False,
                 play_audio=False):
        self.host = host
        chameleon_board = host.chameleon
        audio_board = chameleon_board.get_audio_board()
        factory = remote_facade_factory.RemoteFacadeFactory(
            host, results_dir=self.resultsdir)

        chameleon_board.setup_and_reset(self.outputdir)
        self.audio_facade = factory.create_audio_facade()
        self.display_facade = factory.create_display_facade()

        self.check_default_nodes()
        nodes = []
        if audio_test_utils.has_internal_speaker(self.host):
            self.set_active_volume_to_node_volume('INTERNAL_SPEAKER')
            nodes.append('INTERNAL_SPEAKER')
            self.switch_nodes_and_check_volume(nodes)

        if play_audio:
            self.browser_facade = factory.create_browser_facade()
            self.browser_facade.new_tab(URL)
            time.sleep(self._WAIT_TO_LOAD_VIDEO)
        if hdmi_node:
            edid_path = os.path.join(self.bindir,
                                     'test_data/edids/HDMI_DELL_U2410.txt')
            finder = chameleon_port_finder.ChameleonVideoInputFinder(
                chameleon_board, self.display_facade)
            hdmi_port = finder.find_port('HDMI')
            hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
            time.sleep(self._APPLY_EDID_DELAY)
            hdmi_port.set_plug(True)
            time.sleep(self._PLUG_DELAY * 2)

            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (['HDMI'], None))
            if play_audio:
                self.audio_facade.check_audio_stream_at_selected_device()
            self.set_active_volume_to_node_volume('HDMI')
            nodes.append('HDMI')
            self.switch_nodes_and_check_volume(nodes)

        if jack_node:
            jack_plugger = audio_board.get_jack_plugger()
            jack_plugger.plug()
            time.sleep(self._PLUG_DELAY)
            audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
                                                  self.resultsdir)

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

            audio_test_utils.check_audio_nodes(self.audio_facade,
                                               (None, ['MIC']))

            self.set_active_volume_to_node_volume(hp_jack_node_type)

            nodes.append(hp_jack_node_type)
            self.switch_nodes_and_check_volume(nodes)

        if usb_node:
            widget_factory = chameleon_audio_helper.AudioWidgetFactory(
                factory, host)

            source = widget_factory.create_widget(
                chameleon_audio_ids.CrosIds.USBOUT)
            recorder = widget_factory.create_widget(
                chameleon_audio_ids.ChameleonIds.USBIN)
            binder = widget_factory.create_binder(source, recorder)

            with chameleon_audio_helper.bind_widgets(binder):
                time.sleep(self._PLUG_DELAY)
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['USB'], ['USB']))
                self.set_active_volume_to_node_volume('USB')
                nodes.append('USB')
                self.switch_nodes_and_check_volume(nodes)
            time.sleep(self._PLUG_DELAY)
            nodes.remove('USB')
            self.switch_nodes_and_check_volume(nodes)

        if jack_node:
            if usb_node:
                audio_test_utils.check_audio_nodes(
                    self.audio_facade, ([hp_jack_node_type], ['MIC']))
            jack_plugger.unplug()
            time.sleep(self._PLUG_DELAY)
            nodes.remove(hp_jack_node_type)
            self.switch_nodes_and_check_volume(nodes)

        if hdmi_node:
            if usb_node or jack_node:
                audio_test_utils.check_audio_nodes(self.audio_facade,
                                                   (['HDMI'], None))
            hdmi_port.set_plug(False)
            time.sleep(self._PLUG_DELAY)
            nodes.remove('HDMI')
            self.switch_nodes_and_check_volume(nodes)

        self.check_default_nodes()
    def run_once(self, host, suspend=False):
        golden_file = audio_test_data.SWEEP_TEST_FILE

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

        chameleon_board.reset()

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        playback_source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.USBOUT)
        playback_recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.USBIN)
        playback_binder = widget_factory.create_binder(playback_source,
                                                       playback_recorder)

        record_source = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.USBOUT)
        record_recorder = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.USBIN)
        record_binder = widget_factory.create_binder(record_source,
                                                     record_recorder)

        with chameleon_audio_helper.bind_widgets(playback_binder):
            with chameleon_audio_helper.bind_widgets(record_binder):
                # Checks the node selected by cras is correct.
                audio_facade = factory.create_audio_facade()

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

                audio_test_utils.check_audio_nodes(audio_facade,
                                                   (['USB'], ['USB']))

                logging.info('Setting playback data on Cros device')

                audio_facade.set_selected_output_volume(70)

                playback_source.set_playback_data(golden_file)
                record_source.set_playback_data(golden_file)

                if suspend:
                    audio_test_utils.suspend_resume(host, self.SUSPEND_SECONDS)
                    utils.poll_for_condition(
                        condition=factory.ready,
                        timeout=self.RPC_RECONNECT_TIMEOUT,
                        desc='multimedia server reconnect')
                    audio_test_utils.check_audio_nodes(audio_facade,
                                                       (['USB'], ['USB']))

                logging.info('Start recording from Chameleon.')
                playback_recorder.start_recording()
                logging.info('Start recording from Cros device.')
                record_recorder.start_recording()

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

                time.sleep(self.RECORD_SECONDS)

                playback_recorder.stop_recording()
                logging.info('Stopped recording from Chameleon.')
                record_recorder.stop_recording()
                logging.info('Stopped recording from Cros device.')

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

                playback_recorder.read_recorded_binary()
                logging.info('Read recorded binary from Chameleon.')
                record_recorder.read_recorded_binary()
                logging.info('Read recorded binary from Cros device.')

        playback_recorded_file = os.path.join(self.resultsdir,
                                              "playback_recorded.raw")
        logging.info('Saving Cros playback recorded data to %s',
                     playback_recorded_file)
        playback_recorder.save_file(playback_recorded_file)

        record_recorded_file = os.path.join(self.resultsdir,
                                            "record_recorded.raw")
        logging.info('Saving Cros record recorded data to %s',
                     record_recorded_file)
        record_recorder.save_file(record_recorded_file)

        error_messages = ''
        if not chameleon_audio_helper.compare_recorded_result(
                golden_file, playback_recorder, 'correlation'):
            error_messages += ('Record: Recorded file does not match'
                               ' playback file.')
        if not chameleon_audio_helper.compare_recorded_result(
                golden_file, record_recorder, 'correlation'):
            error_messages += ('Playback: Recorded file does not match'
                               ' playback file.')
        if error_messages:
            raise error.TestFail(error_messages)
Exemple #21
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    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)
Exemple #22
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    def run_once(self, host, audio_test_file):

        if host.get_board_type() in self.UNSUPPORTED_BOARD_TYPES:
            raise error.TestNAError(
                'DUT is not supported for this scenario. Skipping test.')

        chameleon_board = host.chameleon
        factory = remote_facade_factory.RemoteFacadeFactory(
            host, results_dir=self.resultsdir)
        chameleon_board.setup_and_reset(self.outputdir)

        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
            factory, host)

        source = widget_factory.create_widget(
            chameleon_audio_ids.CrosIds.HEADPHONE)
        recorder = widget_factory.create_widget(
            chameleon_audio_ids.ChameleonIds.LINEIN)
        binder = widget_factory.create_binder(source, recorder)

        with chameleon_audio_helper.bind_widgets(binder):
            # Checks the node selected by cras is correct.
            time.sleep(self.DELAY_AFTER_BINDING)
            audio_facade = factory.create_audio_facade()

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

            audio_test_utils.check_audio_nodes(audio_facade,
                                               (['HEADPHONE'], None))

            # Starts playing, waits for some time, and then starts recording.
            # This is to avoid artifact caused by codec initialization.
            logging.info('Start playing %s on Cros device', audio_test_file)
            browser_facade = factory.create_browser_facade()
            tab_descriptor = browser_facade.new_tab(audio_test_file)

            time.sleep(self.DELAY_BEFORE_RECORD_SECONDS)
            logging.info('Start recording from Chameleon.')
            recorder.start_recording()

            time.sleep(self.RECORD_SECONDS)

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

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

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

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

        # Removes the beginning of recorded data. This is to avoid artifact
        # caused by Chameleon codec initialization in the beginning of
        # recording.
        recorder.remove_head(0.5)

        # Removes noise by a lowpass filter.
        recorder.lowpass_filter(4000)
        recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw')
        logging.info('Saving filtered data to %s', recorded_file)
        recorder.save_file(recorded_file)

        # Compares data by frequency. Headphone audio signal has gone through
        # analog processing. This suffers from codec artifacts and noise on the
        # path. Comparing data by frequency is more robust than comparing by
        # correlation, which is suitable for fully-digital audio path like USB
        # and HDMI.
        audio_test_utils.check_recorded_frequency(
            audio_test_data.MEDIA_HEADPHONE_TEST_FILE,
            recorder,
            check_anomaly=True)