media.py revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
1# Copyright 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
5from measurements import media
6import page_sets
7from telemetry import benchmark
8from telemetry.page import page_test
9from telemetry.value import list_of_scalar_values
10from telemetry.value import scalar
11
12
13class _MSEMeasurement(page_test.PageTest):
14  def ValidateAndMeasurePage(self, page, tab, results):
15    media_metric = tab.EvaluateJavaScript('window.__testMetrics')
16    trace = media_metric['id'] if 'id' in media_metric else None
17    metrics = media_metric['metrics'] if 'metrics' in media_metric else []
18    for m in metrics:
19      trace_name = '%s.%s' % (m, trace)
20      if isinstance(metrics[m], list):
21        results.AddValue(list_of_scalar_values.ListOfScalarValues(
22                results.current_page, trace_name, units='ms',
23                values=[float(v) for v in metrics[m]],
24                important=True))
25
26      else:
27        results.AddValue(scalar.ScalarValue(
28                results.current_page, trace_name, units='ms',
29                value=float(metrics[m]), important=True))
30
31
32@benchmark.Disabled('android')
33class Media(benchmark.Benchmark):
34  """Obtains media metrics for key user scenarios."""
35  test = media.Media
36  page_set = page_sets.ToughVideoCasesPageSet
37
38
39@benchmark.Disabled
40class MediaNetworkSimulation(benchmark.Benchmark):
41  """Obtains media metrics under different network simulations."""
42  test = media.Media
43  page_set = page_sets.MediaCnsCasesPageSet
44
45
46@benchmark.Enabled('android')
47@benchmark.Disabled('l')
48class MediaAndroid(benchmark.Benchmark):
49  """Obtains media metrics for key user scenarios on Android."""
50  test = media.Media
51  tag = 'android'
52  page_set = page_sets.ToughVideoCasesPageSet
53  # Exclude is_4k and 50 fps media files (garden* & crowd*).
54  options = {'page_label_filter_exclude': 'is_4k,is_50fps'}
55
56
57@benchmark.Enabled('chromeos')
58class MediaChromeOS4kOnly(benchmark.Benchmark):
59  """Benchmark for media performance on ChromeOS using only is_4k test content.
60  """
61  test = media.Media
62  tag = 'chromeOS4kOnly'
63  page_set = page_sets.ToughVideoCasesPageSet
64  options = {
65      'page_label_filter': 'is_4k',
66      # Exclude is_50fps test files: crbug/331816
67      'page_label_filter_exclude': 'is_50fps'
68  }
69
70
71@benchmark.Enabled('chromeos')
72class MediaChromeOS(benchmark.Benchmark):
73  """Benchmark for media performance on all ChromeOS platforms.
74
75  This benchmark does not run is_4k content, there's a separate benchmark for
76  that.
77  """
78  test = media.Media
79  tag = 'chromeOS'
80  page_set = page_sets.ToughVideoCasesPageSet
81  # Exclude is_50fps test files: crbug/331816
82  options = {'page_label_filter_exclude': 'is_4k,is_50fps'}
83
84
85class MediaSourceExtensions(benchmark.Benchmark):
86  """Obtains media metrics for key media source extensions functions."""
87  test = _MSEMeasurement
88  page_set = page_sets.MseCasesPageSet
89
90  def CustomizeBrowserOptions(self, options):
91    # Needed to allow XHR requests to return stream objects.
92    options.AppendExtraBrowserArgs(
93        ['--enable-experimental-web-platform-features',
94         '--disable-gesture-requirement-for-media-playback'])
95