| # 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 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 |
| |
| |
| 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 |
| RECORDING_DURATION = 6 |
| 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) |
| audio_test_utils.suspend_resume_and_verify(self.host, self.factory) |
| |
| # Stop audio playback by closing the browser tab. |
| if while_playback: |
| browser_facade.close_tab(tab_descriptor) |
| |
| # Explicitly select the node as there is a known issue |
| # that the selected node might change after a suspension. |
| # We should remove this after the issue is addressed(crbug:987529). |
| audio_facade.set_selected_node_types(['HDMI'], None) |
| audio_test_utils.check_audio_nodes(audio_facade, (['HDMI'], None)) |
| |
| def run_once(self, |
| suspend=False, |
| while_playback=False, |
| check_quality=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 |
| @param check_quality: True to check quality. |
| |
| """ |
| golden_file = audio_test_data.GenerateAudioTestData( |
| path=os.path.join(self.bindir, 'fix_2k_1k_16.raw'), |
| duration_secs=10, |
| frequencies=[2000, 1000]) |
| |
| # 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. |
| output_nodes, _ = self.facade.get_selected_node_types() |
| audio_jack_plugged = False |
| if output_nodes == ['HEADPHONE'] or output_nodes == ['LINEOUT']: |
| audio_jack_plugged = True |
| logging.debug('Found audio jack plugged!') |
| |
| self._system_facade = self.factory.create_system_facade() |
| self.set_high_performance_mode() |
| |
| source = self.widget_factory.create_widget( |
| chameleon_audio_ids.CrosIds.HDMI) |
| recorder = self.widget_factory.create_widget( |
| chameleon_audio_ids.ChameleonIds.HDMI) |
| binder = self.widget_factory.create_binder(source, recorder) |
| |
| with chameleon_audio_helper.bind_widgets(binder): |
| audio_test_utils.dump_cros_audio_logs( |
| self.host, self.facade, self.resultsdir, 'after_binding') |
| |
| # HDMI node needs to be selected, when audio jack is plugged |
| if audio_jack_plugged: |
| self.facade.set_chrome_active_node_type('HDMI', None) |
| audio_test_utils.check_audio_nodes(self.facade, (['HDMI'], None)) |
| |
| # Suspend after playing audio (if directed) and resume |
| # before the HDMI audio test. |
| if suspend: |
| self.playback_and_suspend(self.facade, while_playback) |
| |
| source.set_playback_data(golden_file) |
| |
| # There is a known issue that if we reopen the HDMI device, |
| # chameleon will interrupt recording (crbug.com/1027040). However, |
| # if there is another stream playing earlier, CRAS may need to |
| # reopen the device during recording. To fix it, we should move |
| # playback before the recording of chameleon. |
| logging.info('Start playing %s on Cros device', golden_file.path) |
| source.start_playback() |
| |
| logging.info('Start recording from Chameleon.') |
| recorder.start_recording() |
| |
| time.sleep(self.RECORDING_DURATION) |
| |
| audio_test_utils.dump_cros_audio_logs( |
| self.host, self.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.check_recorded_frequency( |
| golden_file, recorder, check_artifacts=check_quality) |