| # 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 time |
| |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros.chameleon import chameleon_audio_helper |
| from autotest_lib.server.cros.audio import audio_test |
| from autotest_lib.server.cros.multimedia import remote_facade_factory |
| |
| |
| class audio_AudioAfterReboot(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 reboot. |
| |
| """ |
| version = 1 |
| DELAY_BEFORE_RECORD_SECONDS = 0.5 |
| DELAY_AFTER_BINDING = 0.5 |
| RECORD_SECONDS = 5 |
| SHORT_WAIT = 2 |
| PRC_RECONNECT_TIMEOUT = 60 |
| |
| def action_plug_jack(self, plug_state): |
| """Calls the audio interface API and plugs/unplugs. |
| |
| @param plug_state: plug state to switch to |
| |
| """ |
| logging.debug('Plugging' if plug_state else 'Unplugging') |
| jack_plugger = self.audio_board.get_jack_plugger() |
| if plug_state: |
| jack_plugger.plug() |
| else: |
| jack_plugger.unplug() |
| time.sleep(self.SHORT_WAIT) |
| |
| |
| def play_and_record(self, source_widget, recorder_widget=None): |
| """Plays and records (if needed) audio. |
| |
| @param source_widget: widget to do the playback |
| @param recorder_widget: widget to do the recording |
| None to skip recording. |
| |
| """ |
| # Play, wait for some time, and then start recording if needed. |
| source_widget.set_playback_data(self.golden_file) |
| logging.debug('Start playing %s', self.golden_file.path) |
| source_widget.start_playback() |
| |
| if recorder_widget != None: |
| time.sleep(self.DELAY_BEFORE_RECORD_SECONDS) |
| logging.debug('Start recording.') |
| recorder_widget.start_recording() |
| |
| time.sleep(self.RECORD_SECONDS) |
| |
| recorder_widget.stop_recording() |
| logging.debug('Stopped recording.') |
| recorder_widget.read_recorded_binary() |
| else: |
| time.sleep(self.RECORD_SECONDS) |
| |
| |
| 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 |
| |
| @raise error.TestFail: if comparison fails |
| |
| """ |
| 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.low_pass_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. |
| if not chameleon_audio_helper.compare_recorded_result( |
| self.golden_file, recorder_widget, 'frequency'): |
| raise error.TestFail('Recorded and playback file do not match') |
| |
| |
| def check_correct_audio_node_selected(self): |
| """Checks the node selected by cras is correct.""" |
| |
| audio_facade = self.factory.create_audio_facade() |
| curr_out_nodes, curr_in_nodes = audio_facade.get_selected_node_types() |
| out_audio_nodes, in_audio_nodes = self.audio_nodes |
| if len(set(curr_in_nodes).difference(set(in_audio_nodes))) !=0: |
| raise error.TestError('Wrong input node(s) selected %s ' |
| 'instead %s!' % (str(curr_in_nodes), str(in_audio_nodes))) |
| if len(set(curr_out_nodes).difference(set(out_audio_nodes))) !=0: |
| raise error.TestError('Wrong output node(s) selected %s ' |
| 'instead %s!' % (str(curr_out_nodes), str(out_audio_nodes))) |
| |
| |
| def play_reboot_play_and_record (self, source_widget, recorder_widget): |
| """Play audio, then reboot, and play and record. |
| |
| @param source_widget: source widget to play with |
| @param recorder_widget: recorder widget to record with |
| |
| """ |
| self.check_correct_audio_node_selected() |
| self.play_and_record(source_widget) |
| self.host.reboot() |
| utils.poll_for_condition(condition=self.factory.ready, |
| timeout=self.PRC_RECONNECT_TIMEOUT,) |
| self.play_and_record(source_widget, recorder_widget) |
| |
| |
| def run_once(self, host, golden_data, audio_nodes, bind_from=None, bind_to=None, |
| source=None, recorder=None, is_internal=False): |
| """Runs the test main workflow. |
| |
| @param host: A host object representing the DUT. |
| @param golden_data: audio file and low pass filter frequency |
| the audio file should be test data defined in audio_test_data |
| @param audio_nodes: audio nodes supposed to be selected |
| @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 |
| @param is_internal: whether internal audio is tested flag |
| |
| """ |
| self.host = host |
| self.audio_nodes = audio_nodes |
| self.golden_file, self.low_pass_freq = golden_data |
| chameleon_board = self.host.chameleon |
| self.factory = remote_facade_factory.RemoteFacadeFactory(self.host) |
| chameleon_board.reset() |
| widget_factory = chameleon_audio_helper.AudioWidgetFactory( |
| self.factory, host) |
| self.audio_board = chameleon_board.get_audio_board() |
| |
| # Two widgets are binded in the factory if necessary |
| binder_widget = None |
| bind_from_widget = None |
| bind_to_widget = None |
| if bind_from != None and bind_to != None: |
| bind_from_widget = widget_factory.create_widget(bind_from) |
| bind_to_widget = widget_factory.create_widget(bind_to) |
| binder_widget = widget_factory.create_binder(bind_from_widget, |
| bind_to_widget) |
| |
| # Additional widgets that could be part of the factory |
| if source == None: |
| source_widget = bind_from_widget |
| else: |
| source_widget = widget_factory.create_widget(source) |
| if recorder == None: |
| recorder_widget = bind_to_widget |
| else: |
| recorder_widget = widget_factory.create_widget(recorder) |
| |
| # Plug for external audio |
| self.action_plug_jack(not is_internal) |
| |
| # Play only, reboot, then play and record. |
| if binder_widget != None: |
| with chameleon_audio_helper.bind_widgets(binder_widget): |
| time.sleep(self.DELAY_AFTER_BINDING) |
| self.play_reboot_play_and_record(source_widget, recorder_widget) |
| else: |
| self.play_reboot_play_and_record(source_widget, recorder_widget) |
| |
| self.save_and_check_data(recorder_widget) |
