Home | History | Annotate | Download | only in video_VideoEncodeAccelerator 
      1 # Copyright (c) 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import errno
      6 import hashlib
      7 import logging
      8 import os
      9 
     10 from autotest_lib.client.bin import utils
     11 from autotest_lib.client.common_lib import error
     12 from autotest_lib.client.common_lib import file_utils
     13 from autotest_lib.client.cros import chrome_binary_test
     14 
     15 from contextlib import closing
     16 
     17 DOWNLOAD_BASE = 'http://commondatastorage.googleapis.com/chromiumos-test-assets-public/'
     18 BINARY = 'video_encode_accelerator_unittest'
     19 
     20 def _remove_if_exists(filepath):
     21     try:
     22         os.remove(filepath)
     23     except OSError, e:
     24         if e.errno != errno.ENOENT: # no such file
     25             raise
     26 
     27 
     28 def _download_video(download_path, local_file):
     29     url = '%s%s' % (DOWNLOAD_BASE, download_path)
     30     logging.info('download "%s" to "%s"', url, local_file)
     31 
     32     file_utils.download_file(url, local_file)
     33 
     34     with open(local_file, 'r') as r:
     35         md5sum = hashlib.md5(r.read()).hexdigest()
     36         if md5sum not in download_path:
     37             raise error.TestError('unmatched md5 sum: %s' % md5sum)
     38 
     39 
     40 class video_VideoEncodeAccelerator(chrome_binary_test.ChromeBinaryTest):
     41     """
     42     This test is a wrapper of the chrome unittest binary:
     43     video_encode_accelerator_unittest.
     44     """
     45 
     46     version = 1
     47 
     48 
     49     @chrome_binary_test.nuke_chrome
     50     def run_once(self, in_cloud, streams, profile):
     51         """Runs video_encode_accelerator_unittest on the streams.
     52 
     53         @param streams: The test streams for video_encode_accelerator_unittest.
     54         @param profile: The profile to encode into.
     55 
     56         @raises error.TestFail for video_encode_accelerator_unittest failures.
     57         """
     58 
     59         last_test_failure = None
     60         for path, width, height, bit_rate in streams:
     61             if in_cloud:
     62                 input_path = os.path.join(self.tmpdir, path.split('/')[-1])
     63                 _download_video(path, input_path)
     64             else:
     65                 input_path = os.path.join(self.cr_source_dir, path)
     66 
     67             output_path = os.path.join(self.tmpdir,
     68                     '%s.out' % input_path.split('/')[-1])
     69 
     70             cmd_line = '--test_stream_data="%s:%s:%s:%s:%s:%s"' % (
     71                     input_path, width, height, profile, output_path, bit_rate)
     72             if utils.is_freon():
     73                 cmd_line += ' --ozone-platform=gbm'
     74             try:
     75                 self.run_chrome_test_binary(BINARY, cmd_line, as_chronos=False)
     76             except error.TestFail as test_failure:
     77                 # Continue to run the remaining test streams and raise
     78                 # the last failure after finishing all streams.
     79                 logging.exception('error while encoding %s', input_path)
     80                 last_test_failure = test_failure
     81             finally:
     82                 # Remove the downloaded video
     83                 if in_cloud:
     84                     _remove_if_exists(input_path)
     85 
     86         if last_test_failure:
     87             raise last_test_failure
     88