| # 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. |
| |
| """This is a server side HDMI audio test using the Chameleon board.""" |
| |
| import logging |
| import os |
| import time |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros.audio import audio_helper |
| from autotest_lib.client.cros.audio import audio_test_data |
| from autotest_lib.server.cros.chameleon import chameleon_test |
| |
| |
| class audiovideo_AudioBasicHDMI(chameleon_test.ChameleonTest): |
| """Server side HDMI audio test. |
| |
| This test talks to a Chameleon board and a DUT to verify |
| HDMI audio function of the DUT. |
| """ |
| version = 1 |
| DELAY_BEFORE_PLAYBACK = 2 |
| DELAY_AFTER_PLAYBACK = 2 |
| |
| |
| def run_once(self, host): |
| golden_file = audio_test_data.SWEEP_TEST_FILE |
| channel_map = [1, 0, None, None, None, None, None, None] |
| |
| self.audio_start_recording('Chameleon', 'HDMI') |
| time.sleep(self.DELAY_BEFORE_PLAYBACK) |
| logging.info('Start playing %s on DUT', golden_file.path_on_dut) |
| self.audio_playback('DUT', golden_file.path_on_dut) |
| logging.info('Stopped playing %s on DUT', golden_file.path_on_dut) |
| time.sleep(self.DELAY_AFTER_PLAYBACK) |
| recorded_data_binary, recorded_data_format = self.audio_stop_recording( |
| 'Chameleon', 'HDMI') |
| |
| recorded_file = os.path.join(self.resultsdir, "recorded.raw") |
| with open(recorded_file, 'wb') as f: |
| logging.debug('Saving recorded raw file %s', recorded_file) |
| f.write(recorded_data_binary) |
| |
| with open(golden_file.path_on_server, 'rb') as f: |
| golden_data_binary = f.read() |
| logging.info('Comparing recorded file %s with golden file %s ...', |
| recorded_file, golden_file.path_on_server) |
| if not audio_helper.compare_data( |
| golden_data_binary, golden_file.data_format, |
| recorded_data_binary, recorded_data_format, channel_map, |
| 'correlation'): |
| raise error.TestError('Recorded file does not match playback file') |
