Source code for

#    Copyright 2012-2015 ARM Limited
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.
# pylint: disable=E1101,W0201
import os
import urllib

from wlauto import settings, Workload, Parameter
from wlauto.exceptions import ConfigError
from wlauto.utils.types import boolean


[docs]class Audio(Workload): name = 'audio' description = """ Audio workload plays an MP3 file using the built-in music player. By default, it plays Canon_in_D_Pieano.mp3 for 30 seconds. """ supported_platforms = ['android'] parameters = [ Parameter('duration', kind=int, default=30, description='The duration the music will play for in seconds.'), Parameter('audio_file', default=os.path.join(settings.dependencies_directory, 'Canon_in_D_Piano.mp3'), description='''The (on-host) path to the audio file to be played. .. note:: If the default file is not present locally, it will be downloaded. '''), Parameter('perform_cleanup', kind=boolean, default=False, description='If ``True``, workload files on the device will be deleted after execution.'), Parameter('clear_file_cache', kind=boolean, default=True, description='Clear the the file cache on the target device prior to running the workload.') ]
[docs] def init_resources(self, context): if not os.path.isfile(self.audio_file): self._download_audio_file()
[docs] def setup(self, context): self.on_device_file = os.path.join(self.device.working_directory, os.path.basename(self.audio_file)) self.device.push_file(self.audio_file, self.on_device_file, timeout=120) # Clear the logs self.device.clear_logcat() if self.clear_file_cache: self.device.execute('sync') self.device.set_sysfile_value('/proc/sys/vm/drop_caches', 3) # Start the background music self.device.execute('am start -W -S -n -d {}'.format(self.on_device_file))
[docs] def run(self, context): self.device.sleep(self.duration)
[docs] def update_result(self, context): # Stop the audio self.device.execute('am force-stop')
[docs] def teardown(self, context): if self.perform_cleanup: self.device.delete_file(self.on_device_file)
def _download_audio_file(self): self.logger.debug('Downloading audio file from {}'.format(DEFAULT_AUDIO_FILE_URL)) urllib.urlretrieve(DEFAULT_AUDIO_FILE_URL, self.audio_file)