| # 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 audio test using the Chameleon board.""" |
| |
| import logging |
| import os |
| import tempfile |
| import time |
| import threading |
| |
| from autotest_lib.client.common_lib import error, file_utils |
| 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_AudioQualityAfterSuspend(audio_test.AudioTest): |
| """Server side audio test. |
| |
| This test talks to a Chameleon board and a Cros device to verify |
| audio function of the Cros device after suspend/resume. |
| |
| """ |
| version = 1 |
| RECORD_SECONDS = 10 |
| RESUME_TIMEOUT_SECS = 60 |
| SHORT_WAIT = 4 |
| SUSPEND_SECONDS = 40 |
| |
| |
| def action_suspend(self, suspend_time=SUSPEND_SECONDS): |
| """Calls the host method suspend. |
| |
| @param suspend_time: time to suspend the device for. |
| |
| """ |
| self.host.suspend(suspend_time=suspend_time) |
| |
| |
| def suspend_resume(self): |
| """Performs suspend/resume.""" |
| |
| # Suspend |
| boot_id = self.host.get_boot_id() |
| thread = threading.Thread(target=self.action_suspend) |
| thread.start() |
| |
| logging.info('Suspend start....') |
| self.host.test_wait_for_sleep(3 * self.SUSPEND_SECONDS / 4) |
| logging.info('Waiting for resume....') |
| self.host.test_wait_for_resume(boot_id, self.RESUME_TIMEOUT_SECS) |
| logging.info('Resume complete....') |
| |
| |
| 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 play_and_record(self, recorder_widget): |
| """Plays and records audio |
| |
| @param recorder_widget: widget to do the recording |
| |
| """ |
| audio_test_utils.dump_cros_audio_logs( |
| self.host, self.audio_facade, self.resultsdir, |
| 'before_playback') |
| |
| self.check_correct_audio_node_selected() |
| |
| browser_facade = self.factory.create_browser_facade() |
| |
| host_file = os.path.join('/tmp', |
| os.path.basename(self.test_playback_file)) |
| with tempfile.NamedTemporaryFile() as tmpfile: |
| file_utils.download_file(self.test_playback_file, tmpfile.name) |
| os.chmod(tmpfile.name, 0444) |
| self.host.send_file(tmpfile.name, host_file) |
| logging.debug('Copied the file on the DUT at %s', host_file) |
| |
| # Play, wait for some time, and then start recording. |
| # This is to avoid artifact caused by codec initialization. |
| browser_facade.new_tab('file://' + host_file) |
| logging.info('Start playing %s on Cros device', host_file) |
| |
| time.sleep(self.SHORT_WAIT) |
| logging.debug('Suspend.') |
| self.suspend_resume() |
| logging.debug('Resume.') |
| time.sleep(self.SHORT_WAIT) |
| logging.debug('Start recording.') |
| recorder_widget.start_recording() |
| |
| time.sleep(self.RECORD_SECONDS) |
| |
| recorder_widget.stop_recording() |
| logging.debug('Stopped recording.') |
| |
| audio_test_utils.dump_cros_audio_logs( |
| self.host, self.audio_facade, self.resultsdir, |
| 'after_recording') |
| |
| recorder_widget.read_recorded_binary() |
| |
| |
| def save_and_check_data(self, recorder_widget): |
| """Saves and checks the data from the recorder |
| |
| @param recorder_widget: recorder widget to save data from |
| |
| """ |
| recorded_file = os.path.join(self.resultsdir, 'recorded.raw') |
| logging.debug('Saving recorded data to %s', recorded_file) |
| recorder_widget.save_file(recorded_file) |
| |
| # Removes the beginning of recorded data. This is to avoid artifact |
| # caused by codec initialization in the beginning of |
| # recording. |
| recorder_widget.remove_head(2.0) |
| |
| # Removes noise by a lowpass filter. |
| recorder_widget.lowpass_filter(self.lowpass_freq) |
| recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw') |
| logging.debug('Saving filtered data to %s', recorded_file) |
| recorder_widget.save_file(recorded_file) |
| |
| # Compares data by frequency and returns the result. |
| audio_test_utils.check_recorded_frequency( |
| self.audio_test_data, recorder_widget, |
| second_peak_ratio=self.second_peak_ratio, |
| ignore_frequencies=self.ignore_frequencies, |
| check_anomaly=True) |
| |
| |
| def run_once(self, host, audio_nodes, audio_test_data, test_playback_file, |
| lowpass_freq=None, |
| bind_from=None, bind_to=None, |
| source=None, recorder=None, |
| tag=None): |
| """Runs the test main workflow |
| |
| @param host: A host object representing the DUT. |
| @param audio_nodes: audio nodes supposed to be selected. |
| @param audio_test_data: audio test frequency defined in audio_test_data |
| @param test_playback_file: audio media file(wav, mp3,...) to be used |
| for testing |
| @param lowpass_freq: frequency noise filter. |
| @param bind_from: audio originating entity to be binded |
| should be defined in chameleon_audio_ids |
| @param bind_to: audio directed_to entity to be binded |
| should be defined in chameleon_audio_ids |
| @param source: source widget entity |
| should be defined in chameleon_audio_ids |
| @param recorder: recorder widget entity |
| should be defined in chameleon_audio_ids |
| |
| """ |
| self.host = host |
| self.audio_nodes = audio_nodes |
| |
| if (not audio_test_utils.has_internal_speaker(host) and |
| tag == "internal_speaker"): |
| return |
| |
| self.second_peak_ratio = audio_test_utils.get_second_peak_ratio( |
| source_id=source, |
| recorder_id=recorder) |
| |
| self.ignore_frequencies = None |
| if source == chameleon_audio_ids.CrosIds.SPEAKER: |
| self.ignore_frequencies = [50, 60] |
| |
| self.audio_test_data = audio_test_data |
| self.lowpass_freq = lowpass_freq |
| self.test_playback_file = test_playback_file |
| chameleon_board = self.host.chameleon |
| self.factory = remote_facade_factory.RemoteFacadeFactory( |
| self.host, results_dir=self.resultsdir) |
| self.audio_facade = self.factory.create_audio_facade() |
| chameleon_board.setup_and_reset(self.outputdir) |
| widget_factory = chameleon_audio_helper.AudioWidgetFactory( |
| self.factory, host) |
| |
| # Two widgets are binded in the factory if necessary. |
| binder_widget = None |
| source_widget = None |
| recorder_widget = None |
| if bind_from != None and bind_to != None: |
| source_widget = widget_factory.create_widget(bind_from) |
| recorder_widget = widget_factory.create_widget(bind_to) |
| binder_widget = widget_factory.create_binder(source_widget, |
| recorder_widget) |
| elif source != None and recorder != None: |
| source_widget = widget_factory.create_widget(source) |
| recorder_widget = widget_factory.create_widget(recorder) |
| else: |
| raise error.TestError('Test configuration or setup problem.') |
| |
| self.audio_board = chameleon_board.get_audio_board() |
| |
| if binder_widget: |
| # Headphone test which requires Chameleon LINEIN and DUT headphones |
| # binding. |
| with chameleon_audio_helper.bind_widgets(binder_widget): |
| self.play_and_record(recorder_widget) |
| else: |
| # Internal speakers test. |
| self.play_and_record(recorder_widget) |
| |
| self.save_and_check_data(recorder_widget) |
