| # Copyright 2014 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 HDMI audio test using the Chameleon board.""" |
| |
| import logging |
| import os |
| import threading |
| import time |
| |
| 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_AudioBasicHDMI(audio_test.AudioTest): |
| """Server side HDMI audio test. |
| |
| This test talks to a Chameleon board and a Cros device to verify |
| HDMI audio function of the Cros device. |
| |
| """ |
| version = 2 |
| DELAY_BEFORE_PLAYBACK = 2 |
| DELAY_AFTER_PLAYBACK = 2 |
| CONNECT_TIMEOUT_SEC = 30 |
| SUSPEND_SEC = 15 |
| WAIT_TO_REBIND_SEC = 15 |
| WEB_PLAYBACK_SEC = 15 |
| |
| def cleanup(self): |
| """Restore the CPU scaling governor mode.""" |
| self._system_facade.set_scaling_governor_mode(0, self._original_mode) |
| logging.debug('Set CPU0 mode to %s', self._original_mode) |
| |
| |
| def set_high_performance_mode(self): |
| """Set the CPU scaling governor mode to performance mode.""" |
| self._original_mode = self._system_facade.set_scaling_governor_mode( |
| 0, 'performance') |
| logging.debug('Set CPU0 scaling governor mode to performance, ' |
| 'original_mode: %s', self._original_mode) |
| |
| |
| 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 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) |
