| # Copyright (c) 2013 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. |
| |
| import time |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros import cros_ui_test, httpd |
| |
| WAIT_TIMEOUT_S = 10 |
| |
| class video_VideoDecodeAcceleration(cros_ui_test.UITest): |
| """This test verifies VDA works in Chrome.""" |
| version = 1 |
| |
| def initialize(self): |
| super(video_VideoDecodeAcceleration, self).initialize('$default') |
| self._testServer = httpd.HTTPListener(8000, docroot=self.bindir) |
| self._testServer.run() |
| |
| |
| def cleanup(self): |
| if self._testServer: |
| self._testServer.stop() |
| super(video_VideoDecodeAcceleration, self).cleanup() |
| |
| |
| def run_once(self, video_file): |
| """Tests whether VDA works by verifying histogram for the loaded video. |
| |
| @param video_file: Sample video file to be loaded in Chrome. |
| """ |
| import pyauto |
| |
| self.pyauto.NavigateToURL('chrome://histograms') |
| self.pyauto.AppendTab(pyauto.GURL('http://localhost:8000/%s' % |
| video_file)) |
| |
| # Waiting for histogram updated for the test video. |
| wait_time = 0 # seconds |
| tab_contents = '' |
| while 'Media.GpuVideoDecoderInitializeStatus' not in tab_contents: |
| time.sleep(1) |
| wait_time = wait_time + 1 |
| if wait_time > WAIT_TIMEOUT_S: |
| raise error.TestError('Histogram gpu status failed to load.') |
| self.pyauto.ReloadTab() |
| tab_contents = self.pyauto.GetTabContents() |
| |
| self.pyauto.assertTrue('average = 0.0' in tab_contents, |
| msg='Video decode acceleration not working.') |
