| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """This is a server side bluetooth playback test using the Chameleon board.""" |
| |
| import logging |
| import os |
| import time |
| |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.cros.audio import audio_test_data |
| from autotest_lib.client.cros.chameleon import audio_test_utils |
| from autotest_lib.client.cros.chameleon import chameleon_audio_helper |
| from autotest_lib.client.cros.chameleon import chameleon_audio_ids |
| from autotest_lib.server.cros.audio import audio_test |
| from autotest_lib.server.cros.multimedia import remote_facade_factory |
| |
| |
| class audio_AudioBasicBluetoothPlayback(audio_test.AudioTest): |
| """Server side bluetooth playback audio test. |
| |
| This test talks to a Chameleon board and a Cros device to verify |
| bluetooth playback audio function of the Cros device. |
| |
| """ |
| version = 1 |
| DELAY_AFTER_DISABLING_MODULE_SECONDS = 30 |
| DELAY_AFTER_DISCONNECT_SECONDS = 5 |
| DELAY_AFTER_ENABLING_MODULE_SECONDS = 10 |
| DELAY_AFTER_RECONNECT_SECONDS = 5 |
| DELAY_BEFORE_RECORD_SECONDS = 0.5 |
| RECORD_SECONDS = 5 |
| SUSPEND_SECONDS = 30 |
| RESUME_TIMEOUT_SECS = 60 |
| PRC_RECONNECT_TIMEOUT = 60 |
| BLUETOOTH_RECONNECT_TIMEOUT_SECS = 30 |
| DELAY_FOR_A2DP_RECONNECT_AFTER_SUSPEND = 10 |
| |
| 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 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 bluetooth_nodes_plugged(self): |
| """Checks if bluetooth nodes are plugged. |
| |
| @returns: True if bluetooth nodes are plugged. False otherwise. |
| |
| """ |
| return audio_test_utils.bluetooth_nodes_plugged(self.audio_facade) |
| |
| |
| def dump_logs_after_nodes_changed(self): |
| """Dumps the log after unexpected NodesChanged signal happens.""" |
| audio_test_utils.dump_cros_audio_logs( |
| self.host, self.audio_facade, self.resultsdir, |
| 'after_nodes_changed') |
| |
| |
| 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 = 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') |
| |
| # For DUTs with permanently connected audio jack cable |
| # Bluetooth output node should be selected explicitly. |
| output_nodes, _ = self.audio_facade.get_plugged_node_types() |
| if 'HEADPHONE' in output_nodes or 'LINEOUT' in output_nodes: |
| self.audio_facade.set_chrome_active_node_type('BLUETOOTH', |
| None) |
| # 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) |
| self.audio_facade.check_audio_stream_at_selected_device() |
| 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) |
