| # 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. |
| |
| """Facade to access the audio-related functionality.""" |
| |
| import logging |
| import multiprocessing |
| |
| from autotest_lib.client.cros.audio import cras_utils |
| |
| |
| class AudioFacadeNative(object): |
| """Facede to access the audio-related functionality. |
| |
| The methods inside this class only accept Python native types. |
| |
| """ |
| |
| def __init__(self, chrome): |
| self._chrome = chrome |
| self._browser = chrome.browser |
| |
| |
| def playback(self, file_path, blocking=False): |
| """Playback a file. |
| |
| @param file_path: The path to the file. |
| @param blocking: Blocks this call until playback finishes. |
| |
| """ |
| logging.debug('AudioFacadeNative playback file %s', file_path) |
| |
| def _playback(): |
| """Playback using cras utility.""" |
| cras_utils.playback(playback_file=file_path) |
| |
| if blocking: |
| _playback() |
| else: |
| p = multiprocessing.Process(target=_playback) |
| p.daemon=True |
| p.start() |
| |
| return True |
