189 lines
7.2 KiB
Python
189 lines
7.2 KiB
Python
# Copyright 2015 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""This is a server side audio test using the Chameleon board."""
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from __future__ import print_function
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import logging
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import os
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import tempfile
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import time
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from autotest_lib.client.common_lib import error, file_utils
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from autotest_lib.client.cros.chameleon import audio_test_utils
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from autotest_lib.client.cros.chameleon import chameleon_audio_helper
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from autotest_lib.client.cros.chameleon import chameleon_audio_ids
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from autotest_lib.server.cros.audio import audio_test
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from autotest_lib.server.cros.multimedia import remote_facade_factory
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class audio_AudioQualityAfterSuspend(audio_test.AudioTest):
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"""Server side audio test.
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This test talks to a Chameleon board and a Cros device to verify
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audio function of the Cros device after suspend/resume.
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"""
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version = 1
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RECORD_SECONDS = 10
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SHORT_WAIT = 4
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def check_correct_audio_node_selected(self):
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"""Checks the node selected by Cras is correct."""
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audio_test_utils.check_audio_nodes(self.audio_facade, self.audio_nodes)
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def play_and_record(self, recorder_widget):
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"""Plays and records audio
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@param recorder_widget: widget to do the recording
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"""
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audio_test_utils.dump_cros_audio_logs(
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self.host, self.audio_facade, self.resultsdir,
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'before_playback')
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self.check_correct_audio_node_selected()
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browser_facade = self.factory.create_browser_facade()
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host_file = os.path.join('/tmp',
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os.path.basename(self.test_playback_file))
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with tempfile.NamedTemporaryFile() as tmpfile:
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file_utils.download_file(self.test_playback_file, tmpfile.name)
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os.chmod(tmpfile.name, 0o0444)
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self.host.send_file(tmpfile.name, host_file)
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logging.debug('Copied the file on the DUT at %s', host_file)
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# Play, wait for some time, and then start recording.
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# This is to avoid artifact caused by codec initialization.
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browser_facade.new_tab('file://' + host_file)
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logging.info('Start playing %s on Cros device', host_file)
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time.sleep(self.SHORT_WAIT)
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audio_test_utils.suspend_resume_and_verify(self.host, self.factory)
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time.sleep(self.SHORT_WAIT)
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logging.debug('Start recording.')
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recorder_widget.start_recording()
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time.sleep(self.RECORD_SECONDS)
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recorder_widget.stop_recording()
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logging.debug('Stopped recording.')
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audio_test_utils.dump_cros_audio_logs(
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self.host, self.audio_facade, self.resultsdir,
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'after_recording')
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recorder_widget.read_recorded_binary()
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def save_and_check_data(self, recorder_widget):
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"""Saves and checks the data from the recorder
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@param recorder_widget: recorder widget to save data from
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"""
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recorded_file = os.path.join(self.resultsdir, 'recorded.raw')
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logging.debug('Saving recorded data to %s', recorded_file)
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recorder_widget.save_file(recorded_file)
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# Removes the beginning of recorded data. This is to avoid artifact
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# caused by codec initialization in the beginning of
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# recording.
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recorder_widget.remove_head(2.0)
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# Removes noise by a lowpass filter.
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recorder_widget.lowpass_filter(self.lowpass_freq)
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recorded_file = os.path.join(self.resultsdir, 'recorded_filtered.raw')
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logging.debug('Saving filtered data to %s', recorded_file)
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recorder_widget.save_file(recorded_file)
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# Compares data by frequency and returns the result.
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audio_test_utils.check_recorded_frequency(
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self.audio_test_data, recorder_widget,
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second_peak_ratio=self.second_peak_ratio,
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ignore_frequencies=self.ignore_frequencies,
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check_anomaly=True)
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def run_once(self, host, audio_nodes, audio_test_data, test_playback_file,
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lowpass_freq=None,
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bind_from=None, bind_to=None,
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source=None, recorder=None,
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tag=None):
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"""Runs the test main workflow
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@param host: A host object representing the DUT.
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@param audio_nodes: audio nodes supposed to be selected.
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@param audio_test_data: audio test frequency defined in audio_test_data
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@param test_playback_file: audio media file(wav, mp3,...) to be used
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for testing
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@param lowpass_freq: frequency noise filter.
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@param bind_from: audio originating entity to be binded
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should be defined in chameleon_audio_ids
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@param bind_to: audio directed_to entity to be binded
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should be defined in chameleon_audio_ids
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@param source: source widget entity
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should be defined in chameleon_audio_ids
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@param recorder: recorder widget entity
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should be defined in chameleon_audio_ids
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"""
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self.host = host
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self.audio_nodes = audio_nodes
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if (not audio_test_utils.has_internal_speaker(host) and
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tag == "internal_speaker"):
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return
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self.second_peak_ratio = audio_test_utils.get_second_peak_ratio(
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source_id=source,
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recorder_id=recorder)
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self.ignore_frequencies = None
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if source == chameleon_audio_ids.CrosIds.SPEAKER:
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self.ignore_frequencies = [50, 60]
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self.audio_test_data = audio_test_data
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self.lowpass_freq = lowpass_freq
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self.test_playback_file = test_playback_file
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chameleon_board = self.host.chameleon
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self.factory = remote_facade_factory.RemoteFacadeFactory(
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self.host, results_dir=self.resultsdir)
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self.audio_facade = self.factory.create_audio_facade()
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chameleon_board.setup_and_reset(self.outputdir)
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widget_factory = chameleon_audio_helper.AudioWidgetFactory(
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self.factory, host)
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# Two widgets are binded in the factory if necessary.
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binder_widget = None
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source_widget = None
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recorder_widget = None
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if bind_from != None and bind_to != None:
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source_widget = widget_factory.create_widget(bind_from)
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recorder_widget = widget_factory.create_widget(bind_to)
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binder_widget = widget_factory.create_binder(source_widget,
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recorder_widget)
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elif source != None and recorder != None:
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source_widget = widget_factory.create_widget(source)
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recorder_widget = widget_factory.create_widget(recorder)
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else:
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raise error.TestError('Test configuration or setup problem.')
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self.audio_board = chameleon_board.get_audio_board()
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if binder_widget:
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# Headphone test which requires Chameleon LINEIN and DUT headphones
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# binding.
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with chameleon_audio_helper.bind_widgets(binder_widget):
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self.play_and_record(recorder_widget)
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else:
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# Internal speakers test.
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self.play_and_record(recorder_widget)
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self.save_and_check_data(recorder_widget)
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